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add idl4k kernel firmware version 1.13.0.105

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This commit is contained in:
Jaroslav Kysela
2015-03-26 17:22:37 +01:00
parent 5194d2792e
commit e9070cdc77
31064 changed files with 12769984 additions and 0 deletions
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4
kernel/arch/blackfin/include/asm/Kbuild Normal file
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include include/asm-generic/Kbuild.asm
unifdef-y += bfin_sport.h
unifdef-y += fixed_code.h

124
kernel/arch/blackfin/include/asm/atomic.h Normal file
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/*
 * Copyright 2004-2009 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */
#ifndef __ARCH_BLACKFIN_ATOMIC__
#define __ARCH_BLACKFIN_ATOMIC__
#ifndef CONFIG_SMP
# include <asm-generic/atomic.h>
#else
#include <linux/types.h>
#include <asm/system.h> /* local_irq_XXX() */
/*
* Atomic operations that C can't guarantee us. Useful for
* resource counting etc..
*/
#define ATOMIC_INIT(i) { (i) }
#define atomic_set(v, i) (((v)->counter) = i)
#define atomic_read(v) __raw_uncached_fetch_asm(&(v)->counter)
asmlinkage int __raw_uncached_fetch_asm(const volatile int *ptr);
asmlinkage int __raw_atomic_update_asm(volatile int *ptr, int value);
asmlinkage int __raw_atomic_clear_asm(volatile int *ptr, int value);
asmlinkage int __raw_atomic_set_asm(volatile int *ptr, int value);
asmlinkage int __raw_atomic_xor_asm(volatile int *ptr, int value);
asmlinkage int __raw_atomic_test_asm(const volatile int *ptr, int value);
static inline void atomic_add(int i, atomic_t *v)
{
__raw_atomic_update_asm(&v->counter, i);
}
static inline void atomic_sub(int i, atomic_t *v)
{
__raw_atomic_update_asm(&v->counter, -i);
}
static inline int atomic_add_return(int i, atomic_t *v)
{
return __raw_atomic_update_asm(&v->counter, i);
}
static inline int atomic_sub_return(int i, atomic_t *v)
{
return __raw_atomic_update_asm(&v->counter, -i);
}
static inline void atomic_inc(volatile atomic_t *v)
{
__raw_atomic_update_asm(&v->counter, 1);
}
static inline void atomic_dec(volatile atomic_t *v)
{
__raw_atomic_update_asm(&v->counter, -1);
}
static inline void atomic_clear_mask(int mask, atomic_t *v)
{
__raw_atomic_clear_asm(&v->counter, mask);
}
static inline void atomic_set_mask(int mask, atomic_t *v)
{
__raw_atomic_set_asm(&v->counter, mask);
}
static inline int atomic_test_mask(int mask, atomic_t *v)
{
return __raw_atomic_test_asm(&v->counter, mask);
}
/* Atomic operations are already serializing */
#define smp_mb__before_atomic_dec() barrier()
#define smp_mb__after_atomic_dec() barrier()
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()
#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
#define atomic_dec_return(v) atomic_sub_return(1,(v))
#define atomic_inc_return(v) atomic_add_return(1,(v))
#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
#define atomic_add_unless(v, a, u) \
({ \
int c, old; \
c = atomic_read(v); \
while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \
c = old; \
c != (u); \
})
#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
#define atomic_sub_and_test(i,v) (atomic_sub_return((i), (v)) == 0)
#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0)
#include <asm-generic/atomic-long.h>
#endif
#endif

1
kernel/arch/blackfin/include/asm/auxvec.h Normal file
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#include <asm-generic/auxvec.h>

84
kernel/arch/blackfin/include/asm/bfin-global.h Normal file
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/*
* Global extern defines for blackfin
*
* Copyright 2006-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BFIN_GLOBAL_H_
#define _BFIN_GLOBAL_H_
#ifndef __ASSEMBLY__
#include <asm/sections.h>
#include <asm/ptrace.h>
#include <asm/user.h>
#include <linux/linkage.h>
#include <linux/types.h>
#if defined(CONFIG_DMA_UNCACHED_4M)
# define DMA_UNCACHED_REGION (4 * 1024 * 1024)
#elif defined(CONFIG_DMA_UNCACHED_2M)
# define DMA_UNCACHED_REGION (2 * 1024 * 1024)
#elif defined(CONFIG_DMA_UNCACHED_1M)
# define DMA_UNCACHED_REGION (1024 * 1024)
#else
# define DMA_UNCACHED_REGION (0)
#endif
extern void bfin_setup_caches(unsigned int cpu);
extern void bfin_setup_cpudata(unsigned int cpu);
extern unsigned long get_cclk(void);
extern unsigned long get_sclk(void);
extern unsigned long sclk_to_usecs(unsigned long sclk);
extern unsigned long usecs_to_sclk(unsigned long usecs);
extern void dump_bfin_process(struct pt_regs *regs);
extern void dump_bfin_mem(struct pt_regs *regs);
extern void dump_bfin_trace_buffer(void);
/* init functions only */
extern int init_arch_irq(void);
extern void init_exception_vectors(void);
extern void program_IAR(void);
extern asmlinkage void lower_to_irq14(void);
extern asmlinkage void bfin_return_from_exception(void);
extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs);
extern int bfin_internal_set_wake(unsigned int irq, unsigned int state);
extern void *l1_data_A_sram_alloc(size_t);
extern void *l1_data_B_sram_alloc(size_t);
extern void *l1_inst_sram_alloc(size_t);
extern void *l1_data_sram_alloc(size_t);
extern void *l1_data_sram_zalloc(size_t);
extern void *l2_sram_alloc(size_t);
extern void *l2_sram_zalloc(size_t);
extern int l1_data_A_sram_free(const void*);
extern int l1_data_B_sram_free(const void*);
extern int l1_inst_sram_free(const void*);
extern int l1_data_sram_free(const void*);
extern int l2_sram_free(const void *);
extern int sram_free(const void*);
#define L1_INST_SRAM 0x00000001
#define L1_DATA_A_SRAM 0x00000002
#define L1_DATA_B_SRAM 0x00000004
#define L1_DATA_SRAM 0x00000006
#define L2_SRAM 0x00000008
extern void *sram_alloc_with_lsl(size_t, unsigned long);
extern int sram_free_with_lsl(const void*);
extern void *isram_memcpy(void *dest, const void *src, size_t n);
extern const char bfin_board_name[];
extern unsigned long bfin_sic_iwr[];
extern unsigned vr_wakeup;
extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
#endif
#endif /* _BLACKFIN_H_ */

131
kernel/arch/blackfin/include/asm/bfin5xx_spi.h Normal file
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/*
* Blackfin On-Chip SPI Driver
*
* Copyright 2004-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _SPI_CHANNEL_H_
#define _SPI_CHANNEL_H_
#define MIN_SPI_BAUD_VAL 2
#define SPI_READ 0
#define SPI_WRITE 1
#define SPI_CTRL_OFF 0x0
#define SPI_FLAG_OFF 0x4
#define SPI_STAT_OFF 0x8
#define SPI_TXBUFF_OFF 0xc
#define SPI_RXBUFF_OFF 0x10
#define SPI_BAUD_OFF 0x14
#define SPI_SHAW_OFF 0x18
#define BIT_CTL_ENABLE 0x4000
#define BIT_CTL_OPENDRAIN 0x2000
#define BIT_CTL_MASTER 0x1000
#define BIT_CTL_POLAR 0x0800
#define BIT_CTL_PHASE 0x0400
#define BIT_CTL_BITORDER 0x0200
#define BIT_CTL_WORDSIZE 0x0100
#define BIT_CTL_MISOENABLE 0x0020
#define BIT_CTL_RXMOD 0x0000
#define BIT_CTL_TXMOD 0x0001
#define BIT_CTL_TIMOD_DMA_TX 0x0003
#define BIT_CTL_TIMOD_DMA_RX 0x0002
#define BIT_CTL_SENDOPT 0x0004
#define BIT_CTL_TIMOD 0x0003
#define BIT_STAT_SPIF 0x0001
#define BIT_STAT_MODF 0x0002
#define BIT_STAT_TXE 0x0004
#define BIT_STAT_TXS 0x0008
#define BIT_STAT_RBSY 0x0010
#define BIT_STAT_RXS 0x0020
#define BIT_STAT_TXCOL 0x0040
#define BIT_STAT_CLR 0xFFFF
#define BIT_STU_SENDOVER 0x0001
#define BIT_STU_RECVFULL 0x0020
#define CFG_SPI_ENABLE 1
#define CFG_SPI_DISABLE 0
#define CFG_SPI_OUTENABLE 1
#define CFG_SPI_OUTDISABLE 0
#define CFG_SPI_ACTLOW 1
#define CFG_SPI_ACTHIGH 0
#define CFG_SPI_PHASESTART 1
#define CFG_SPI_PHASEMID 0
#define CFG_SPI_MASTER 1
#define CFG_SPI_SLAVE 0
#define CFG_SPI_SENELAST 0
#define CFG_SPI_SENDZERO 1
#define CFG_SPI_RCVFLUSH 1
#define CFG_SPI_RCVDISCARD 0
#define CFG_SPI_LSBFIRST 1
#define CFG_SPI_MSBFIRST 0
#define CFG_SPI_WORDSIZE16 1
#define CFG_SPI_WORDSIZE8 0
#define CFG_SPI_MISOENABLE 1
#define CFG_SPI_MISODISABLE 0
#define CFG_SPI_READ 0x00
#define CFG_SPI_WRITE 0x01
#define CFG_SPI_DMAREAD 0x02
#define CFG_SPI_DMAWRITE 0x03
#define CFG_SPI_CSCLEARALL 0
#define CFG_SPI_CHIPSEL1 1
#define CFG_SPI_CHIPSEL2 2
#define CFG_SPI_CHIPSEL3 3
#define CFG_SPI_CHIPSEL4 4
#define CFG_SPI_CHIPSEL5 5
#define CFG_SPI_CHIPSEL6 6
#define CFG_SPI_CHIPSEL7 7
#define CFG_SPI_CS1VALUE 1
#define CFG_SPI_CS2VALUE 2
#define CFG_SPI_CS3VALUE 3
#define CFG_SPI_CS4VALUE 4
#define CFG_SPI_CS5VALUE 5
#define CFG_SPI_CS6VALUE 6
#define CFG_SPI_CS7VALUE 7
#define CMD_SPI_SET_BAUDRATE 2
#define CMD_SPI_GET_SYSTEMCLOCK 25
#define CMD_SPI_SET_WRITECONTINUOUS 26
/* device.platform_data for SSP controller devices */
struct bfin5xx_spi_master {
u16 num_chipselect;
u8 enable_dma;
u16 pin_req[7];
};
/* spi_board_info.controller_data for SPI slave devices,
* copied to spi_device.platform_data ... mostly for dma tuning
*/
struct bfin5xx_spi_chip {
u16 ctl_reg;
u8 enable_dma;
u8 bits_per_word;
u8 cs_change_per_word;
u16 cs_chg_udelay; /* Some devices require 16-bit delays */
u32 cs_gpio;
/* Value to send if no TX value is supplied, usually 0x0 or 0xFFFF */
u16 idle_tx_val;
u8 pio_interrupt; /* Enable spi data irq */
};
#endif /* _SPI_CHANNEL_H_ */

43
kernel/arch/blackfin/include/asm/bfin_rotary.h Normal file
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/*
* board initialization should put one of these structures into platform_data
* and place the bfin-rotary onto platform_bus named "bfin-rotary".
*
* Copyright 2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BFIN_ROTARY_H
#define _BFIN_ROTARY_H
/* mode bitmasks */
#define ROT_QUAD_ENC CNTMODE_QUADENC /* quadrature/grey code encoder mode */
#define ROT_BIN_ENC CNTMODE_BINENC /* binary encoder mode */
#define ROT_UD_CNT CNTMODE_UDCNT /* rotary counter mode */
#define ROT_DIR_CNT CNTMODE_DIRCNT /* direction counter mode */
#define ROT_DEBE DEBE /* Debounce Enable */
#define ROT_CDGINV CDGINV /* CDG Pin Polarity Invert */
#define ROT_CUDINV CUDINV /* CUD Pin Polarity Invert */
#define ROT_CZMINV CZMINV /* CZM Pin Polarity Invert */
struct bfin_rotary_platform_data {
/* set rotary UP KEY_### or BTN_### in case you prefer
* bfin-rotary to send EV_KEY otherwise set 0
*/
unsigned int rotary_up_key;
/* set rotary DOWN KEY_### or BTN_### in case you prefer
* bfin-rotary to send EV_KEY otherwise set 0
*/
unsigned int rotary_down_key;
/* set rotary BUTTON KEY_### or BTN_### */
unsigned int rotary_button_key;
/* set rotary Relative Axis REL_### in case you prefer
* bfin-rotary to send EV_REL otherwise set 0
*/
unsigned int rotary_rel_code;
unsigned short debounce; /* 0..17 */
unsigned short mode;
};
#endif

19
kernel/arch/blackfin/include/asm/bfin_sdh.h Normal file
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/*
* bfin_sdh.h - Blackfin SDH definitions
*
* Copyright 2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __BFIN_SDH_H__
#define __BFIN_SDH_H__
struct bfin_sd_host {
int dma_chan;
int irq_int0;
int irq_int1;
u16 pin_req[7];
};
#endif

19
kernel/arch/blackfin/include/asm/bfin_simple_timer.h Normal file
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/*
* Copyright 2006-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _bfin_simple_timer_h_
#define _bfin_simple_timer_h_
#include <linux/ioctl.h>
#define BFIN_SIMPLE_TIMER_IOCTL_MAGIC 't'
#define BFIN_SIMPLE_TIMER_SET_PERIOD _IO (BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 2)
#define BFIN_SIMPLE_TIMER_START _IO (BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 6)
#define BFIN_SIMPLE_TIMER_STOP _IO (BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 8)
#define BFIN_SIMPLE_TIMER_READ _IO (BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 10)
#endif

162
kernel/arch/blackfin/include/asm/bfin_sport.h Normal file
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/*
* bfin_sport.h - userspace header for bfin sport driver
*
* Copyright 2004-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __BFIN_SPORT_H__
#define __BFIN_SPORT_H__
#ifdef __KERNEL__
#include <linux/cdev.h>
#include <linux/mutex.h>
#include <linux/sched.h>
#include <linux/wait.h>
#endif
#define SPORT_MAJOR 237
#define SPORT_NR_DEVS 2
/* Sport mode: it can be set to TDM, i2s or others */
#define NORM_MODE 0x0
#define TDM_MODE 0x1
#define I2S_MODE 0x2
/* Data format, normal, a-law or u-law */
#define NORM_FORMAT 0x0
#define ALAW_FORMAT 0x2
#define ULAW_FORMAT 0x3
/* Function driver which use sport must initialize the structure */
struct sport_config {
/* TDM (multichannels), I2S or other mode */
unsigned int mode:3;
/* if TDM mode is selected, channels must be set */
int channels; /* Must be in 8 units */
unsigned int frame_delay:4; /* Delay between frame sync pulse and first bit */
/* I2S mode */
unsigned int right_first:1; /* Right stereo channel first */
/* In mormal mode, the following item need to be set */
unsigned int lsb_first:1; /* order of transmit or receive data */
unsigned int fsync:1; /* Frame sync required */
unsigned int data_indep:1; /* data independent frame sync generated */
unsigned int act_low:1; /* Active low TFS */
unsigned int late_fsync:1; /* Late frame sync */
unsigned int tckfe:1;
unsigned int sec_en:1; /* Secondary side enabled */
/* Choose clock source */
unsigned int int_clk:1; /* Internal or external clock */
/* If external clock is used, the following fields are ignored */
int serial_clk;
int fsync_clk;
unsigned int data_format:2; /* Normal, u-law or a-law */
int word_len; /* How length of the word in bits, 3-32 bits */
int dma_enabled;
};
/* Userspace interface */
#define SPORT_IOC_MAGIC 'P'
#define SPORT_IOC_CONFIG _IOWR('P', 0x01, struct sport_config)
#ifdef __KERNEL__
struct sport_register {
unsigned short tcr1;
unsigned short reserved0;
unsigned short tcr2;
unsigned short reserved1;
unsigned short tclkdiv;
unsigned short reserved2;
unsigned short tfsdiv;
unsigned short reserved3;
unsigned long tx;
unsigned long reserved_l0;
unsigned long rx;
unsigned long reserved_l1;
unsigned short rcr1;
unsigned short reserved4;
unsigned short rcr2;
unsigned short reserved5;
unsigned short rclkdiv;
unsigned short reserved6;
unsigned short rfsdiv;
unsigned short reserved7;
unsigned short stat;
unsigned short reserved8;
unsigned short chnl;
unsigned short reserved9;
unsigned short mcmc1;
unsigned short reserved10;
unsigned short mcmc2;
unsigned short reserved11;
unsigned long mtcs0;
unsigned long mtcs1;
unsigned long mtcs2;
unsigned long mtcs3;
unsigned long mrcs0;
unsigned long mrcs1;
unsigned long mrcs2;
unsigned long mrcs3;
};
struct sport_dev {
struct cdev cdev; /* Char device structure */
int sport_num;
int dma_rx_chan;
int dma_tx_chan;
int rx_irq;
unsigned char *rx_buf; /* Buffer store the received data */
int rx_len; /* How many bytes will be received */
int rx_received; /* How many bytes has been received */
int tx_irq;
const unsigned char *tx_buf;
int tx_len;
int tx_sent;
int err_irq;
struct mutex mutex; /* mutual exclusion semaphore */
struct task_struct *task;
wait_queue_head_t waitq;
int wait_con;
struct sport_register *regs;
struct sport_config config;
};
#endif
#define SPORT_TCR1 0
#define SPORT_TCR2 1
#define SPORT_TCLKDIV 2
#define SPORT_TFSDIV 3
#define SPORT_RCR1 8
#define SPORT_RCR2 9
#define SPORT_RCLKDIV 10
#define SPORT_RFSDIV 11
#define SPORT_CHANNEL 13
#define SPORT_MCMC1 14
#define SPORT_MCMC2 15
#define SPORT_MTCS0 16
#define SPORT_MTCS1 17
#define SPORT_MTCS2 18
#define SPORT_MTCS3 19
#define SPORT_MRCS0 20
#define SPORT_MRCS1 21
#define SPORT_MRCS2 22
#define SPORT_MRCS3 23
#endif

90
kernel/arch/blackfin/include/asm/bfrom.h Normal file
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/* Blackfin on-chip ROM API
*
* Copyright 2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __BFROM_H__
#define __BFROM_H__
#include <linux/types.h>
/* Possible syscontrol action flags */
#define SYSCTRL_READ 0x00000000 /* read registers */
#define SYSCTRL_WRITE 0x00000001 /* write registers */
#define SYSCTRL_SYSRESET 0x00000002 /* perform system reset */
#define SYSCTRL_CORERESET 0x00000004 /* perform core reset */
#define SYSCTRL_SOFTRESET 0x00000006 /* perform core and system reset */
#define SYSCTRL_VRCTL 0x00000010 /* read/write VR_CTL register */
#define SYSCTRL_EXTVOLTAGE 0x00000020 /* VDDINT supplied externally */
#define SYSCTRL_INTVOLTAGE 0x00000000 /* VDDINT generated by on-chip regulator */
#define SYSCTRL_OTPVOLTAGE 0x00000040 /* For Factory Purposes Only */
#define SYSCTRL_PLLCTL 0x00000100 /* read/write PLL_CTL register */
#define SYSCTRL_PLLDIV 0x00000200 /* read/write PLL_DIV register */
#define SYSCTRL_LOCKCNT 0x00000400 /* read/write PLL_LOCKCNT register */
#define SYSCTRL_PLLSTAT 0x00000800 /* read/write PLL_STAT register */
typedef struct ADI_SYSCTRL_VALUES {
uint16_t uwVrCtl;
uint16_t uwPllCtl;
uint16_t uwPllDiv;
uint16_t uwPllLockCnt;
uint16_t uwPllStat;
} ADI_SYSCTRL_VALUES;
static uint32_t (* const bfrom_SysControl)(uint32_t action_flags, ADI_SYSCTRL_VALUES *power_settings, void *reserved) = (void *)0xEF000038;
/* We need a dedicated function since we need to screw with the stack pointer
* when resetting. The on-chip ROM will save/restore registers on the stack
* when doing a system reset, so the stack cannot be outside of the chip.
*/
__attribute__((__noreturn__))
static inline void bfrom_SoftReset(void *new_stack)
{
while (1)
/*
* We don't declare the SP as clobbered on purpose, since
* it confuses the heck out of the compiler, and this function
* never returns
*/
__asm__ __volatile__(
"sp = %[stack];"
"jump (%[bfrom_syscontrol]);"
: : [bfrom_syscontrol] "p"(bfrom_SysControl),
"q0"(SYSCTRL_SOFTRESET),
"q1"(0),
"q2"(NULL),
[stack] "p"(new_stack)
);
}
/* OTP Functions */
static uint32_t (* const bfrom_OtpCommand)(uint32_t command, uint32_t value) = (void *)0xEF000018;
static uint32_t (* const bfrom_OtpRead)(uint32_t page, uint32_t flags, uint64_t *page_content) = (void *)0xEF00001A;
static uint32_t (* const bfrom_OtpWrite)(uint32_t page, uint32_t flags, uint64_t *page_content) = (void *)0xEF00001C;
/* otp command: defines for "command" */
#define OTP_INIT 0x00000001
#define OTP_CLOSE 0x00000002
/* otp read/write: defines for "flags" */
#define OTP_LOWER_HALF 0x00000000 /* select upper/lower 64-bit half (bit 0) */
#define OTP_UPPER_HALF 0x00000001
#define OTP_NO_ECC 0x00000010 /* do not use ECC */
#define OTP_LOCK 0x00000020 /* sets page protection bit for page */
#define OTP_CHECK_FOR_PREV_WRITE 0x00000080
/* Return values for all functions */
#define OTP_SUCCESS 0x00000000
#define OTP_MASTER_ERROR 0x001
#define OTP_WRITE_ERROR 0x003
#define OTP_READ_ERROR 0x005
#define OTP_ACC_VIO_ERROR 0x009
#define OTP_DATA_MULT_ERROR 0x011
#define OTP_ECC_MULT_ERROR 0x021
#define OTP_PREV_WR_ERROR 0x041
#define OTP_DATA_SB_WARN 0x100
#define OTP_ECC_SB_WARN 0x200
#endif

107
kernel/arch/blackfin/include/asm/bitops.h Normal file
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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BLACKFIN_BITOPS_H
#define _BLACKFIN_BITOPS_H
#ifndef CONFIG_SMP
# include <asm-generic/bitops.h>
#else
#ifndef _LINUX_BITOPS_H
#error only <linux/bitops.h> can be included directly
#endif
#include <linux/compiler.h>
#include <asm/byteorder.h> /* swab32 */
#include <asm-generic/bitops/ffs.h>
#include <asm-generic/bitops/__ffs.h>
#include <asm-generic/bitops/sched.h>
#include <asm-generic/bitops/ffz.h>
#include <linux/linkage.h>
asmlinkage int __raw_bit_set_asm(volatile unsigned long *addr, int nr);
asmlinkage int __raw_bit_clear_asm(volatile unsigned long *addr, int nr);
asmlinkage int __raw_bit_toggle_asm(volatile unsigned long *addr, int nr);
asmlinkage int __raw_bit_test_set_asm(volatile unsigned long *addr, int nr);
asmlinkage int __raw_bit_test_clear_asm(volatile unsigned long *addr, int nr);
asmlinkage int __raw_bit_test_toggle_asm(volatile unsigned long *addr, int nr);
asmlinkage int __raw_bit_test_asm(const volatile unsigned long *addr, int nr);
static inline void set_bit(int nr, volatile unsigned long *addr)
{
volatile unsigned long *a = addr + (nr >> 5);
__raw_bit_set_asm(a, nr & 0x1f);
}
static inline void clear_bit(int nr, volatile unsigned long *addr)
{
volatile unsigned long *a = addr + (nr >> 5);
__raw_bit_clear_asm(a, nr & 0x1f);
}
static inline void change_bit(int nr, volatile unsigned long *addr)
{
volatile unsigned long *a = addr + (nr >> 5);
__raw_bit_toggle_asm(a, nr & 0x1f);
}
static inline int test_bit(int nr, const volatile unsigned long *addr)
{
volatile const unsigned long *a = addr + (nr >> 5);
return __raw_bit_test_asm(a, nr & 0x1f) != 0;
}
static inline int test_and_set_bit(int nr, volatile unsigned long *addr)
{
volatile unsigned long *a = addr + (nr >> 5);
return __raw_bit_test_set_asm(a, nr & 0x1f);
}
static inline int test_and_clear_bit(int nr, volatile unsigned long *addr)
{
volatile unsigned long *a = addr + (nr >> 5);
return __raw_bit_test_clear_asm(a, nr & 0x1f);
}
static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
{
volatile unsigned long *a = addr + (nr >> 5);
return __raw_bit_test_toggle_asm(a, nr & 0x1f);
}
/*
* clear_bit() doesn't provide any barrier for the compiler.
*/
#define smp_mb__before_clear_bit() barrier()
#define smp_mb__after_clear_bit() barrier()
#include <asm-generic/bitops/non-atomic.h>
#include <asm-generic/bitops/find.h>
#include <asm-generic/bitops/hweight.h>
#include <asm-generic/bitops/lock.h>
#include <asm-generic/bitops/ext2-atomic.h>
#include <asm-generic/bitops/ext2-non-atomic.h>
#include <asm-generic/bitops/minix.h>
#include <asm-generic/bitops/fls.h>
#include <asm-generic/bitops/__fls.h>
#include <asm-generic/bitops/fls64.h>
#endif /* CONFIG_SMP */
#endif /* _BLACKFIN_BITOPS_H */

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#include <asm-generic/bitsperlong.h>

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kernel/arch/blackfin/include/asm/blackfin.h Normal file
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/*
* Common header file for Blackfin family of processors.
*
 * Copyright 2004-2009 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
*/
#ifndef _BLACKFIN_H_
#define _BLACKFIN_H_
#include <mach/anomaly.h>
#ifndef __ASSEMBLY__
/* SSYNC implementation for C file */
static inline void SSYNC(void)
{
int _tmp;
if (ANOMALY_05000312)
__asm__ __volatile__(
"cli %0;"
"nop;"
"nop;"
"ssync;"
"sti %0;"
: "=d" (_tmp)
);
else if (ANOMALY_05000244)
__asm__ __volatile__(
"nop;"
"nop;"
"nop;"
"ssync;"
);
else
__asm__ __volatile__("ssync;");
}
/* CSYNC implementation for C file */
static inline void CSYNC(void)
{
int _tmp;
if (ANOMALY_05000312)
__asm__ __volatile__(
"cli %0;"
"nop;"
"nop;"
"csync;"
"sti %0;"
: "=d" (_tmp)
);
else if (ANOMALY_05000244)
__asm__ __volatile__(
"nop;"
"nop;"
"nop;"
"csync;"
);
else
__asm__ __volatile__("csync;");
}
#else /* __ASSEMBLY__ */
#define LO(con32) ((con32) & 0xFFFF)
#define lo(con32) ((con32) & 0xFFFF)
#define HI(con32) (((con32) >> 16) & 0xFFFF)
#define hi(con32) (((con32) >> 16) & 0xFFFF)
/* SSYNC & CSYNC implementations for assembly files */
#define ssync(x) SSYNC(x)
#define csync(x) CSYNC(x)
#if ANOMALY_05000312
#define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch;
#define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch;
#elif ANOMALY_05000244
#define SSYNC(scratch) nop; nop; nop; SSYNC;
#define CSYNC(scratch) nop; nop; nop; CSYNC;
#else
#define SSYNC(scratch) SSYNC;
#define CSYNC(scratch) CSYNC;
#endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */
#endif /* __ASSEMBLY__ */
#include <asm/mem_map.h>
#include <mach/blackfin.h>
#include <asm/bfin-global.h>
#endif /* _BLACKFIN_H_ */

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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BLACKFIN_BUG_H
#define _BLACKFIN_BUG_H
#ifdef CONFIG_BUG
#define BFIN_BUG_OPCODE 0xefcd
#ifdef CONFIG_DEBUG_BUGVERBOSE
#define _BUG_OR_WARN(flags) \
asm volatile( \
"1: .hword %0\n" \
" .section __bug_table,\"a\",@progbits\n" \
"2: .long 1b\n" \
" .long %1\n" \
" .short %2\n" \
" .short %3\n" \
" .org 2b + %4\n" \
" .previous" \
: \
: "i"(BFIN_BUG_OPCODE), "i"(__FILE__), \
"i"(__LINE__), "i"(flags), \
"i"(sizeof(struct bug_entry)))
#else
#define _BUG_OR_WARN(flags) \
asm volatile( \
"1: .hword %0\n" \
" .section __bug_table,\"a\",@progbits\n" \
"2: .long 1b\n" \
" .short %1\n" \
" .org 2b + %2\n" \
" .previous" \
: \
: "i"(BFIN_BUG_OPCODE), "i"(flags), \
"i"(sizeof(struct bug_entry)))
#endif /* CONFIG_DEBUG_BUGVERBOSE */
#define BUG() \
do { \
_BUG_OR_WARN(0); \
for (;;); \
} while (0)
#define WARN_ON(condition) \
({ \
int __ret_warn_on = !!(condition); \
if (unlikely(__ret_warn_on)) \
_BUG_OR_WARN(BUGFLAG_WARNING); \
unlikely(__ret_warn_on); \
})
#define HAVE_ARCH_BUG
#define HAVE_ARCH_WARN_ON
#endif
#include <asm-generic/bug.h>
#endif

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#include <asm-generic/bugs.h>

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kernel/arch/blackfin/include/asm/byteorder.h Normal file
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#include <linux/byteorder/little_endian.h>

68
kernel/arch/blackfin/include/asm/cache.h Normal file
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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ARCH_BLACKFIN_CACHE_H
#define __ARCH_BLACKFIN_CACHE_H
/*
* Bytes per L1 cache line
* Blackfin loads 32 bytes for cache
*/
#define L1_CACHE_SHIFT 5
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
#define SMP_CACHE_BYTES L1_CACHE_BYTES
#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
#ifdef CONFIG_SMP
#define __cacheline_aligned
#else
#define ____cacheline_aligned
/*
* Put cacheline_aliged data to L1 data memory
*/
#ifdef CONFIG_CACHELINE_ALIGNED_L1
#define __cacheline_aligned \
__attribute__((__aligned__(L1_CACHE_BYTES), \
__section__(".data_l1.cacheline_aligned")))
#endif
#endif
/*
* largest L1 which this arch supports
*/
#define L1_CACHE_SHIFT_MAX 5
#if defined(CONFIG_SMP) && \
!defined(CONFIG_BFIN_CACHE_COHERENT)
# if defined(CONFIG_BFIN_EXTMEM_ICACHEABLE) || defined(CONFIG_BFIN_L2_ICACHEABLE)
# define __ARCH_SYNC_CORE_ICACHE
# endif
# if defined(CONFIG_BFIN_EXTMEM_DCACHEABLE) || defined(CONFIG_BFIN_L2_DCACHEABLE)
# define __ARCH_SYNC_CORE_DCACHE
# endif
#ifndef __ASSEMBLY__
asmlinkage void __raw_smp_mark_barrier_asm(void);
asmlinkage void __raw_smp_check_barrier_asm(void);
static inline void smp_mark_barrier(void)
{
__raw_smp_mark_barrier_asm();
}
static inline void smp_check_barrier(void)
{
__raw_smp_check_barrier_asm();
}
void resync_core_dcache(void);
void resync_core_icache(void);
#endif
#endif
#endif

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/*
* Blackfin low-level cache routines
*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BLACKFIN_CACHEFLUSH_H
#define _BLACKFIN_CACHEFLUSH_H
#include <asm/blackfin.h> /* for SSYNC() */
extern void blackfin_icache_flush_range(unsigned long start_address, unsigned long end_address);
extern void blackfin_dcache_flush_range(unsigned long start_address, unsigned long end_address);
extern void blackfin_dcache_invalidate_range(unsigned long start_address, unsigned long end_address);
extern void blackfin_dflush_page(void *page);
extern void blackfin_invalidate_entire_dcache(void);
extern void blackfin_invalidate_entire_icache(void);
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_cache_mm(mm) do { } while (0)
#define flush_cache_range(vma, start, end) do { } while (0)
#define flush_cache_page(vma, vmaddr) do { } while (0)
#define flush_cache_vmap(start, end) do { } while (0)
#define flush_cache_vunmap(start, end) do { } while (0)
#ifdef CONFIG_SMP
#define flush_icache_range_others(start, end) \
smp_icache_flush_range_others((start), (end))
#else
#define flush_icache_range_others(start, end) do { } while (0)
#endif
static inline void flush_icache_range(unsigned start, unsigned end)
{
#if defined(CONFIG_BFIN_EXTMEM_WRITEBACK) || defined(CONFIG_BFIN_L2_WRITEBACK)
blackfin_dcache_flush_range(start, end);
#endif
/* Make sure all write buffers in the data side of the core
* are flushed before trying to invalidate the icache. This
* needs to be after the data flush and before the icache
* flush so that the SSYNC does the right thing in preventing
* the instruction prefetcher from hitting things in cached
* memory at the wrong time -- it runs much further ahead than
* the pipeline.
*/
SSYNC();
#if defined(CONFIG_BFIN_ICACHE)
blackfin_icache_flush_range(start, end);
flush_icache_range_others(start, end);
#endif
}
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { memcpy(dst, src, len); \
flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \
} while (0)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) memcpy(dst, src, len)
#if defined(CONFIG_BFIN_DCACHE)
# define invalidate_dcache_range(start,end) blackfin_dcache_invalidate_range((start), (end))
#else
# define invalidate_dcache_range(start,end) do { } while (0)
#endif
#if defined(CONFIG_BFIN_EXTMEM_WRITEBACK) || defined(CONFIG_BFIN_L2_WRITEBACK)
# define flush_dcache_range(start,end) blackfin_dcache_flush_range((start), (end))
# define flush_dcache_page(page) blackfin_dflush_page(page_address(page))
#else
# define flush_dcache_range(start,end) do { } while (0)
# define flush_dcache_page(page) do { } while (0)
#endif
extern unsigned long reserved_mem_dcache_on;
extern unsigned long reserved_mem_icache_on;
static inline int bfin_addr_dcacheable(unsigned long addr)
{
#ifdef CONFIG_BFIN_EXTMEM_DCACHEABLE
if (addr < (_ramend - DMA_UNCACHED_REGION))
return 1;
#endif
if (reserved_mem_dcache_on &&
addr >= _ramend && addr < physical_mem_end)
return 1;
#ifdef CONFIG_BFIN_L2_DCACHEABLE
if (addr >= L2_START && addr < L2_START + L2_LENGTH)
return 1;
#endif
return 0;
}
#endif /* _BLACKFIN_ICACHEFLUSH_H */

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/*
* Copyright 2005-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _CDEF_LPBLACKFIN_H
#define _CDEF_LPBLACKFIN_H
/*#if !defined(__ADSPLPBLACKFIN__)
#warning cdef_LPBlackfin.h should only be included for 532 compatible chips.
#endif
*/
#include <asm/def_LPBlackfin.h>
/*Cache & SRAM Memory*/
#define bfin_read_SRAM_BASE_ADDRESS() bfin_read32(SRAM_BASE_ADDRESS)
#define bfin_write_SRAM_BASE_ADDRESS(val) bfin_write32(SRAM_BASE_ADDRESS,val)
#define bfin_read_DMEM_CONTROL() bfin_read32(DMEM_CONTROL)
#define bfin_write_DMEM_CONTROL(val) bfin_write32(DMEM_CONTROL,val)
#define bfin_read_DCPLB_STATUS() bfin_read32(DCPLB_STATUS)
#define bfin_write_DCPLB_STATUS(val) bfin_write32(DCPLB_STATUS,val)
#define bfin_read_DCPLB_FAULT_ADDR() bfin_read32(DCPLB_FAULT_ADDR)
#define bfin_write_DCPLB_FAULT_ADDR(val) bfin_write32(DCPLB_FAULT_ADDR,val)
/*
#define MMR_TIMEOUT 0xFFE00010
*/
#define bfin_read_DCPLB_ADDR0() bfin_read32(DCPLB_ADDR0)
#define bfin_write_DCPLB_ADDR0(val) bfin_write32(DCPLB_ADDR0,val)
#define bfin_read_DCPLB_ADDR1() bfin_read32(DCPLB_ADDR1)
#define bfin_write_DCPLB_ADDR1(val) bfin_write32(DCPLB_ADDR1,val)
#define bfin_read_DCPLB_ADDR2() bfin_read32(DCPLB_ADDR2)
#define bfin_write_DCPLB_ADDR2(val) bfin_write32(DCPLB_ADDR2,val)
#define bfin_read_DCPLB_ADDR3() bfin_read32(DCPLB_ADDR3)
#define bfin_write_DCPLB_ADDR3(val) bfin_write32(DCPLB_ADDR3,val)
#define bfin_read_DCPLB_ADDR4() bfin_read32(DCPLB_ADDR4)
#define bfin_write_DCPLB_ADDR4(val) bfin_write32(DCPLB_ADDR4,val)
#define bfin_read_DCPLB_ADDR5() bfin_read32(DCPLB_ADDR5)
#define bfin_write_DCPLB_ADDR5(val) bfin_write32(DCPLB_ADDR5,val)
#define bfin_read_DCPLB_ADDR6() bfin_read32(DCPLB_ADDR6)
#define bfin_write_DCPLB_ADDR6(val) bfin_write32(DCPLB_ADDR6,val)
#define bfin_read_DCPLB_ADDR7() bfin_read32(DCPLB_ADDR7)
#define bfin_write_DCPLB_ADDR7(val) bfin_write32(DCPLB_ADDR7,val)
#define bfin_read_DCPLB_ADDR8() bfin_read32(DCPLB_ADDR8)
#define bfin_write_DCPLB_ADDR8(val) bfin_write32(DCPLB_ADDR8,val)
#define bfin_read_DCPLB_ADDR9() bfin_read32(DCPLB_ADDR9)
#define bfin_write_DCPLB_ADDR9(val) bfin_write32(DCPLB_ADDR9,val)
#define bfin_read_DCPLB_ADDR10() bfin_read32(DCPLB_ADDR10)
#define bfin_write_DCPLB_ADDR10(val) bfin_write32(DCPLB_ADDR10,val)
#define bfin_read_DCPLB_ADDR11() bfin_read32(DCPLB_ADDR11)
#define bfin_write_DCPLB_ADDR11(val) bfin_write32(DCPLB_ADDR11,val)
#define bfin_read_DCPLB_ADDR12() bfin_read32(DCPLB_ADDR12)
#define bfin_write_DCPLB_ADDR12(val) bfin_write32(DCPLB_ADDR12,val)
#define bfin_read_DCPLB_ADDR13() bfin_read32(DCPLB_ADDR13)
#define bfin_write_DCPLB_ADDR13(val) bfin_write32(DCPLB_ADDR13,val)
#define bfin_read_DCPLB_ADDR14() bfin_read32(DCPLB_ADDR14)
#define bfin_write_DCPLB_ADDR14(val) bfin_write32(DCPLB_ADDR14,val)
#define bfin_read_DCPLB_ADDR15() bfin_read32(DCPLB_ADDR15)
#define bfin_write_DCPLB_ADDR15(val) bfin_write32(DCPLB_ADDR15,val)
#define bfin_read_DCPLB_DATA0() bfin_read32(DCPLB_DATA0)
#define bfin_write_DCPLB_DATA0(val) bfin_write32(DCPLB_DATA0,val)
#define bfin_read_DCPLB_DATA1() bfin_read32(DCPLB_DATA1)
#define bfin_write_DCPLB_DATA1(val) bfin_write32(DCPLB_DATA1,val)
#define bfin_read_DCPLB_DATA2() bfin_read32(DCPLB_DATA2)
#define bfin_write_DCPLB_DATA2(val) bfin_write32(DCPLB_DATA2,val)
#define bfin_read_DCPLB_DATA3() bfin_read32(DCPLB_DATA3)
#define bfin_write_DCPLB_DATA3(val) bfin_write32(DCPLB_DATA3,val)
#define bfin_read_DCPLB_DATA4() bfin_read32(DCPLB_DATA4)
#define bfin_write_DCPLB_DATA4(val) bfin_write32(DCPLB_DATA4,val)
#define bfin_read_DCPLB_DATA5() bfin_read32(DCPLB_DATA5)
#define bfin_write_DCPLB_DATA5(val) bfin_write32(DCPLB_DATA5,val)
#define bfin_read_DCPLB_DATA6() bfin_read32(DCPLB_DATA6)
#define bfin_write_DCPLB_DATA6(val) bfin_write32(DCPLB_DATA6,val)
#define bfin_read_DCPLB_DATA7() bfin_read32(DCPLB_DATA7)
#define bfin_write_DCPLB_DATA7(val) bfin_write32(DCPLB_DATA7,val)
#define bfin_read_DCPLB_DATA8() bfin_read32(DCPLB_DATA8)
#define bfin_write_DCPLB_DATA8(val) bfin_write32(DCPLB_DATA8,val)
#define bfin_read_DCPLB_DATA9() bfin_read32(DCPLB_DATA9)
#define bfin_write_DCPLB_DATA9(val) bfin_write32(DCPLB_DATA9,val)
#define bfin_read_DCPLB_DATA10() bfin_read32(DCPLB_DATA10)
#define bfin_write_DCPLB_DATA10(val) bfin_write32(DCPLB_DATA10,val)
#define bfin_read_DCPLB_DATA11() bfin_read32(DCPLB_DATA11)
#define bfin_write_DCPLB_DATA11(val) bfin_write32(DCPLB_DATA11,val)
#define bfin_read_DCPLB_DATA12() bfin_read32(DCPLB_DATA12)
#define bfin_write_DCPLB_DATA12(val) bfin_write32(DCPLB_DATA12,val)
#define bfin_read_DCPLB_DATA13() bfin_read32(DCPLB_DATA13)
#define bfin_write_DCPLB_DATA13(val) bfin_write32(DCPLB_DATA13,val)
#define bfin_read_DCPLB_DATA14() bfin_read32(DCPLB_DATA14)
#define bfin_write_DCPLB_DATA14(val) bfin_write32(DCPLB_DATA14,val)
#define bfin_read_DCPLB_DATA15() bfin_read32(DCPLB_DATA15)
#define bfin_write_DCPLB_DATA15(val) bfin_write32(DCPLB_DATA15,val)
#define bfin_read_DTEST_COMMAND() bfin_read32(DTEST_COMMAND)
#define bfin_write_DTEST_COMMAND(val) bfin_write32(DTEST_COMMAND,val)
/*
#define DTEST_INDEX 0xFFE00304
*/
#define bfin_read_DTEST_DATA0() bfin_read32(DTEST_DATA0)
#define bfin_write_DTEST_DATA0(val) bfin_write32(DTEST_DATA0,val)
#define bfin_read_DTEST_DATA1() bfin_read32(DTEST_DATA1)
#define bfin_write_DTEST_DATA1(val) bfin_write32(DTEST_DATA1,val)
/*
#define DTEST_DATA2 0xFFE00408
#define DTEST_DATA3 0xFFE0040C
*/
#define bfin_read_IMEM_CONTROL() bfin_read32(IMEM_CONTROL)
#define bfin_write_IMEM_CONTROL(val) bfin_write32(IMEM_CONTROL,val)
#define bfin_read_ICPLB_STATUS() bfin_read32(ICPLB_STATUS)
#define bfin_write_ICPLB_STATUS(val) bfin_write32(ICPLB_STATUS,val)
#define bfin_read_ICPLB_FAULT_ADDR() bfin_read32(ICPLB_FAULT_ADDR)
#define bfin_write_ICPLB_FAULT_ADDR(val) bfin_write32(ICPLB_FAULT_ADDR,val)
#define bfin_read_ICPLB_ADDR0() bfin_read32(ICPLB_ADDR0)
#define bfin_write_ICPLB_ADDR0(val) bfin_write32(ICPLB_ADDR0,val)
#define bfin_read_ICPLB_ADDR1() bfin_read32(ICPLB_ADDR1)
#define bfin_write_ICPLB_ADDR1(val) bfin_write32(ICPLB_ADDR1,val)
#define bfin_read_ICPLB_ADDR2() bfin_read32(ICPLB_ADDR2)
#define bfin_write_ICPLB_ADDR2(val) bfin_write32(ICPLB_ADDR2,val)
#define bfin_read_ICPLB_ADDR3() bfin_read32(ICPLB_ADDR3)
#define bfin_write_ICPLB_ADDR3(val) bfin_write32(ICPLB_ADDR3,val)
#define bfin_read_ICPLB_ADDR4() bfin_read32(ICPLB_ADDR4)
#define bfin_write_ICPLB_ADDR4(val) bfin_write32(ICPLB_ADDR4,val)
#define bfin_read_ICPLB_ADDR5() bfin_read32(ICPLB_ADDR5)
#define bfin_write_ICPLB_ADDR5(val) bfin_write32(ICPLB_ADDR5,val)
#define bfin_read_ICPLB_ADDR6() bfin_read32(ICPLB_ADDR6)
#define bfin_write_ICPLB_ADDR6(val) bfin_write32(ICPLB_ADDR6,val)
#define bfin_read_ICPLB_ADDR7() bfin_read32(ICPLB_ADDR7)
#define bfin_write_ICPLB_ADDR7(val) bfin_write32(ICPLB_ADDR7,val)
#define bfin_read_ICPLB_ADDR8() bfin_read32(ICPLB_ADDR8)
#define bfin_write_ICPLB_ADDR8(val) bfin_write32(ICPLB_ADDR8,val)
#define bfin_read_ICPLB_ADDR9() bfin_read32(ICPLB_ADDR9)
#define bfin_write_ICPLB_ADDR9(val) bfin_write32(ICPLB_ADDR9,val)
#define bfin_read_ICPLB_ADDR10() bfin_read32(ICPLB_ADDR10)
#define bfin_write_ICPLB_ADDR10(val) bfin_write32(ICPLB_ADDR10,val)
#define bfin_read_ICPLB_ADDR11() bfin_read32(ICPLB_ADDR11)
#define bfin_write_ICPLB_ADDR11(val) bfin_write32(ICPLB_ADDR11,val)
#define bfin_read_ICPLB_ADDR12() bfin_read32(ICPLB_ADDR12)
#define bfin_write_ICPLB_ADDR12(val) bfin_write32(ICPLB_ADDR12,val)
#define bfin_read_ICPLB_ADDR13() bfin_read32(ICPLB_ADDR13)
#define bfin_write_ICPLB_ADDR13(val) bfin_write32(ICPLB_ADDR13,val)
#define bfin_read_ICPLB_ADDR14() bfin_read32(ICPLB_ADDR14)
#define bfin_write_ICPLB_ADDR14(val) bfin_write32(ICPLB_ADDR14,val)
#define bfin_read_ICPLB_ADDR15() bfin_read32(ICPLB_ADDR15)
#define bfin_write_ICPLB_ADDR15(val) bfin_write32(ICPLB_ADDR15,val)
#define bfin_read_ICPLB_DATA0() bfin_read32(ICPLB_DATA0)
#define bfin_write_ICPLB_DATA0(val) bfin_write32(ICPLB_DATA0,val)
#define bfin_read_ICPLB_DATA1() bfin_read32(ICPLB_DATA1)
#define bfin_write_ICPLB_DATA1(val) bfin_write32(ICPLB_DATA1,val)
#define bfin_read_ICPLB_DATA2() bfin_read32(ICPLB_DATA2)
#define bfin_write_ICPLB_DATA2(val) bfin_write32(ICPLB_DATA2,val)
#define bfin_read_ICPLB_DATA3() bfin_read32(ICPLB_DATA3)
#define bfin_write_ICPLB_DATA3(val) bfin_write32(ICPLB_DATA3,val)
#define bfin_read_ICPLB_DATA4() bfin_read32(ICPLB_DATA4)
#define bfin_write_ICPLB_DATA4(val) bfin_write32(ICPLB_DATA4,val)
#define bfin_read_ICPLB_DATA5() bfin_read32(ICPLB_DATA5)
#define bfin_write_ICPLB_DATA5(val) bfin_write32(ICPLB_DATA5,val)
#define bfin_read_ICPLB_DATA6() bfin_read32(ICPLB_DATA6)
#define bfin_write_ICPLB_DATA6(val) bfin_write32(ICPLB_DATA6,val)
#define bfin_read_ICPLB_DATA7() bfin_read32(ICPLB_DATA7)
#define bfin_write_ICPLB_DATA7(val) bfin_write32(ICPLB_DATA7,val)
#define bfin_read_ICPLB_DATA8() bfin_read32(ICPLB_DATA8)
#define bfin_write_ICPLB_DATA8(val) bfin_write32(ICPLB_DATA8,val)
#define bfin_read_ICPLB_DATA9() bfin_read32(ICPLB_DATA9)
#define bfin_write_ICPLB_DATA9(val) bfin_write32(ICPLB_DATA9,val)
#define bfin_read_ICPLB_DATA10() bfin_read32(ICPLB_DATA10)
#define bfin_write_ICPLB_DATA10(val) bfin_write32(ICPLB_DATA10,val)
#define bfin_read_ICPLB_DATA11() bfin_read32(ICPLB_DATA11)
#define bfin_write_ICPLB_DATA11(val) bfin_write32(ICPLB_DATA11,val)
#define bfin_read_ICPLB_DATA12() bfin_read32(ICPLB_DATA12)
#define bfin_write_ICPLB_DATA12(val) bfin_write32(ICPLB_DATA12,val)
#define bfin_read_ICPLB_DATA13() bfin_read32(ICPLB_DATA13)
#define bfin_write_ICPLB_DATA13(val) bfin_write32(ICPLB_DATA13,val)
#define bfin_read_ICPLB_DATA14() bfin_read32(ICPLB_DATA14)
#define bfin_write_ICPLB_DATA14(val) bfin_write32(ICPLB_DATA14,val)
#define bfin_read_ICPLB_DATA15() bfin_read32(ICPLB_DATA15)
#define bfin_write_ICPLB_DATA15(val) bfin_write32(ICPLB_DATA15,val)
#define bfin_read_ITEST_COMMAND() bfin_read32(ITEST_COMMAND)
#define bfin_write_ITEST_COMMAND(val) bfin_write32(ITEST_COMMAND,val)
#if 0
#define ITEST_INDEX 0xFFE01304 /* Instruction Test Index Register */
#endif
#define bfin_read_ITEST_DATA0() bfin_read32(ITEST_DATA0)
#define bfin_write_ITEST_DATA0(val) bfin_write32(ITEST_DATA0,val)
#define bfin_read_ITEST_DATA1() bfin_read32(ITEST_DATA1)
#define bfin_write_ITEST_DATA1(val) bfin_write32(ITEST_DATA1,val)
/* Event/Interrupt Registers*/
#define bfin_read_EVT0() bfin_read32(EVT0)
#define bfin_write_EVT0(val) bfin_write32(EVT0,val)
#define bfin_read_EVT1() bfin_read32(EVT1)
#define bfin_write_EVT1(val) bfin_write32(EVT1,val)
#define bfin_read_EVT2() bfin_read32(EVT2)
#define bfin_write_EVT2(val) bfin_write32(EVT2,val)
#define bfin_read_EVT3() bfin_read32(EVT3)
#define bfin_write_EVT3(val) bfin_write32(EVT3,val)
#define bfin_read_EVT4() bfin_read32(EVT4)
#define bfin_write_EVT4(val) bfin_write32(EVT4,val)
#define bfin_read_EVT5() bfin_read32(EVT5)
#define bfin_write_EVT5(val) bfin_write32(EVT5,val)
#define bfin_read_EVT6() bfin_read32(EVT6)
#define bfin_write_EVT6(val) bfin_write32(EVT6,val)
#define bfin_read_EVT7() bfin_read32(EVT7)
#define bfin_write_EVT7(val) bfin_write32(EVT7,val)
#define bfin_read_EVT8() bfin_read32(EVT8)
#define bfin_write_EVT8(val) bfin_write32(EVT8,val)
#define bfin_read_EVT9() bfin_read32(EVT9)
#define bfin_write_EVT9(val) bfin_write32(EVT9,val)
#define bfin_read_EVT10() bfin_read32(EVT10)
#define bfin_write_EVT10(val) bfin_write32(EVT10,val)
#define bfin_read_EVT11() bfin_read32(EVT11)
#define bfin_write_EVT11(val) bfin_write32(EVT11,val)
#define bfin_read_EVT12() bfin_read32(EVT12)
#define bfin_write_EVT12(val) bfin_write32(EVT12,val)
#define bfin_read_EVT13() bfin_read32(EVT13)
#define bfin_write_EVT13(val) bfin_write32(EVT13,val)
#define bfin_read_EVT14() bfin_read32(EVT14)
#define bfin_write_EVT14(val) bfin_write32(EVT14,val)
#define bfin_read_EVT15() bfin_read32(EVT15)
#define bfin_write_EVT15(val) bfin_write32(EVT15,val)
#define bfin_read_IMASK() bfin_read32(IMASK)
#define bfin_write_IMASK(val) bfin_write32(IMASK,val)
#define bfin_read_IPEND() bfin_read32(IPEND)
#define bfin_write_IPEND(val) bfin_write32(IPEND,val)
#define bfin_read_ILAT() bfin_read32(ILAT)
#define bfin_write_ILAT(val) bfin_write32(ILAT,val)
/*Core Timer Registers*/
#define bfin_read_TCNTL() bfin_read32(TCNTL)
#define bfin_write_TCNTL(val) bfin_write32(TCNTL,val)
#define bfin_read_TPERIOD() bfin_read32(TPERIOD)
#define bfin_write_TPERIOD(val) bfin_write32(TPERIOD,val)
#define bfin_read_TSCALE() bfin_read32(TSCALE)
#define bfin_write_TSCALE(val) bfin_write32(TSCALE,val)
#define bfin_read_TCOUNT() bfin_read32(TCOUNT)
#define bfin_write_TCOUNT(val) bfin_write32(TCOUNT,val)
/*Debug/MP/Emulation Registers*/
#define bfin_read_DSPID() bfin_read32(DSPID)
#define bfin_write_DSPID(val) bfin_write32(DSPID,val)
#define bfin_read_DBGCTL() bfin_read32(DBGCTL)
#define bfin_write_DBGCTL(val) bfin_write32(DBGCTL,val)
#define bfin_read_DBGSTAT() bfin_read32(DBGSTAT)
#define bfin_write_DBGSTAT(val) bfin_write32(DBGSTAT,val)
#define bfin_read_EMUDAT() bfin_read32(EMUDAT)
#define bfin_write_EMUDAT(val) bfin_write32(EMUDAT,val)
/*Trace Buffer Registers*/
#define bfin_read_TBUFCTL() bfin_read32(TBUFCTL)
#define bfin_write_TBUFCTL(val) bfin_write32(TBUFCTL,val)
#define bfin_read_TBUFSTAT() bfin_read32(TBUFSTAT)
#define bfin_write_TBUFSTAT(val) bfin_write32(TBUFSTAT,val)
#define bfin_read_TBUF() bfin_read32(TBUF)
#define bfin_write_TBUF(val) bfin_write32(TBUF,val)
/*Watch Point Control Registers*/
#define bfin_read_WPIACTL() bfin_read32(WPIACTL)
#define bfin_write_WPIACTL(val) bfin_write32(WPIACTL,val)
#define bfin_read_WPIA0() bfin_read32(WPIA0)
#define bfin_write_WPIA0(val) bfin_write32(WPIA0,val)
#define bfin_read_WPIA1() bfin_read32(WPIA1)
#define bfin_write_WPIA1(val) bfin_write32(WPIA1,val)
#define bfin_read_WPIA2() bfin_read32(WPIA2)
#define bfin_write_WPIA2(val) bfin_write32(WPIA2,val)
#define bfin_read_WPIA3() bfin_read32(WPIA3)
#define bfin_write_WPIA3(val) bfin_write32(WPIA3,val)
#define bfin_read_WPIA4() bfin_read32(WPIA4)
#define bfin_write_WPIA4(val) bfin_write32(WPIA4,val)
#define bfin_read_WPIA5() bfin_read32(WPIA5)
#define bfin_write_WPIA5(val) bfin_write32(WPIA5,val)
#define bfin_read_WPIACNT0() bfin_read32(WPIACNT0)
#define bfin_write_WPIACNT0(val) bfin_write32(WPIACNT0,val)
#define bfin_read_WPIACNT1() bfin_read32(WPIACNT1)
#define bfin_write_WPIACNT1(val) bfin_write32(WPIACNT1,val)
#define bfin_read_WPIACNT2() bfin_read32(WPIACNT2)
#define bfin_write_WPIACNT2(val) bfin_write32(WPIACNT2,val)
#define bfin_read_WPIACNT3() bfin_read32(WPIACNT3)
#define bfin_write_WPIACNT3(val) bfin_write32(WPIACNT3,val)
#define bfin_read_WPIACNT4() bfin_read32(WPIACNT4)
#define bfin_write_WPIACNT4(val) bfin_write32(WPIACNT4,val)
#define bfin_read_WPIACNT5() bfin_read32(WPIACNT5)
#define bfin_write_WPIACNT5(val) bfin_write32(WPIACNT5,val)
#define bfin_read_WPDACTL() bfin_read32(WPDACTL)
#define bfin_write_WPDACTL(val) bfin_write32(WPDACTL,val)
#define bfin_read_WPDA0() bfin_read32(WPDA0)
#define bfin_write_WPDA0(val) bfin_write32(WPDA0,val)
#define bfin_read_WPDA1() bfin_read32(WPDA1)
#define bfin_write_WPDA1(val) bfin_write32(WPDA1,val)
#define bfin_read_WPDACNT0() bfin_read32(WPDACNT0)
#define bfin_write_WPDACNT0(val) bfin_write32(WPDACNT0,val)
#define bfin_read_WPDACNT1() bfin_read32(WPDACNT1)
#define bfin_write_WPDACNT1(val) bfin_write32(WPDACNT1,val)
#define bfin_read_WPSTAT() bfin_read32(WPSTAT)
#define bfin_write_WPSTAT(val) bfin_write32(WPSTAT,val)
/*Performance Monitor Registers*/
#define bfin_read_PFCTL() bfin_read32(PFCTL)
#define bfin_write_PFCTL(val) bfin_write32(PFCTL,val)
#define bfin_read_PFCNTR0() bfin_read32(PFCNTR0)
#define bfin_write_PFCNTR0(val) bfin_write32(PFCNTR0,val)
#define bfin_read_PFCNTR1() bfin_read32(PFCNTR1)
#define bfin_write_PFCNTR1(val) bfin_write32(PFCNTR1,val)
/*
#define IPRIO 0xFFE02110
*/
#endif /* _CDEF_LPBLACKFIN_H */

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kernel/arch/blackfin/include/asm/checksum.h Normal file
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/*
* Copyright 2004-2009 Analog Devices Inc.
* akbar.hussain@lineo.com
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BFIN_CHECKSUM_H
#define _BFIN_CHECKSUM_H
/*
* computes the checksum of a memory block at buff, length len,
* and adds in "sum" (32-bit)
*
* returns a 32-bit number suitable for feeding into itself
* or csum_tcpudp_magic
*
* this function must be called with even lengths, except
* for the last fragment, which may be odd
*
* it's best to have buff aligned on a 32-bit boundary
*/
__wsum csum_partial(const void *buff, int len, __wsum sum);
/*
* the same as csum_partial, but copies from src while it
* checksums
*
* here even more important to align src and dst on a 32-bit (or even
* better 64-bit) boundary
*/
__wsum csum_partial_copy(const void *src, void *dst,
int len, __wsum sum);
/*
* the same as csum_partial_copy, but copies from user space.
*
* here even more important to align src and dst on a 32-bit (or even
* better 64-bit) boundary
*/
extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
int len, __wsum sum, int *csum_err);
#define csum_partial_copy_nocheck(src, dst, len, sum) \
csum_partial_copy((src), (dst), (len), (sum))
__sum16 ip_fast_csum(unsigned char *iph, unsigned int ihl);
/*
* Fold a partial checksum
*/
static inline __sum16 csum_fold(__wsum sum)
{
while (sum >> 16)
sum = (sum & 0xffff) + (sum >> 16);
return ((~(sum << 16)) >> 16);
}
/*
* computes the checksum of the TCP/UDP pseudo-header
* returns a 16-bit checksum, already complemented
*/
static inline __wsum
csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
unsigned short proto, __wsum sum)
{
unsigned int carry;
__asm__ ("%0 = %0 + %2;\n\t"
"CC = AC0;\n\t"
"%1 = CC;\n\t"
"%0 = %0 + %1;\n\t"
"%0 = %0 + %3;\n\t"
"CC = AC0;\n\t"
"%1 = CC;\n\t"
"%0 = %0 + %1;\n\t"
"%0 = %0 + %4;\n\t"
"CC = AC0;\n\t"
"%1 = CC;\n\t"
"%0 = %0 + %1;\n\t"
: "=d" (sum), "=&d" (carry)
: "d" (daddr), "d" (saddr), "d" ((len + proto) << 8), "0"(sum)
: "CC");
return (sum);
}
static inline __sum16
csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len,
unsigned short proto, __wsum sum)
{
return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));
}
/*
* this routine is used for miscellaneous IP-like checksums, mainly
* in icmp.c
*/
extern __sum16 ip_compute_csum(const void *buff, int len);
#endif /* _BFIN_CHECKSUM_H */

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kernel/arch/blackfin/include/asm/clocks.h Normal file
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/*
* Common Clock definitions for various kernel files
*
* Copyright 2007-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BFIN_CLOCKS_H
#define _BFIN_CLOCKS_H
#ifdef CONFIG_CCLK_DIV_1
# define CONFIG_CCLK_ACT_DIV CCLK_DIV1
# define CONFIG_CCLK_DIV 1
#endif
#ifdef CONFIG_CCLK_DIV_2
# define CONFIG_CCLK_ACT_DIV CCLK_DIV2
# define CONFIG_CCLK_DIV 2
#endif
#ifdef CONFIG_CCLK_DIV_4
# define CONFIG_CCLK_ACT_DIV CCLK_DIV4
# define CONFIG_CCLK_DIV 4
#endif
#ifdef CONFIG_CCLK_DIV_8
# define CONFIG_CCLK_ACT_DIV CCLK_DIV8
# define CONFIG_CCLK_DIV 8
#endif
#ifndef CONFIG_PLL_BYPASS
# ifndef CONFIG_CLKIN_HALF
# define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ * CONFIG_VCO_MULT)
# else
# define CONFIG_VCO_HZ ((CONFIG_CLKIN_HZ * CONFIG_VCO_MULT)/2)
# endif
# define CONFIG_CCLK_HZ (CONFIG_VCO_HZ/CONFIG_CCLK_DIV)
# define CONFIG_SCLK_HZ (CONFIG_VCO_HZ/CONFIG_SCLK_DIV)
#else
# define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ)
# define CONFIG_CCLK_HZ (CONFIG_CLKIN_HZ)
# define CONFIG_SCLK_HZ (CONFIG_CLKIN_HZ)
# define CONFIG_VCO_MULT 0
#endif
#endif

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kernel/arch/blackfin/include/asm/context.S Normal file
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/*
* Copyright 2007-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
/*
* NOTE! The single-stepping code assumes that all interrupt handlers
* start by saving SYSCFG on the stack with their first instruction.
*/
/*
* Code to save processor context.
* We even save the register which are preserved by a function call
* - r4, r5, r6, r7, p3, p4, p5
*/
.macro save_context_with_interrupts
[--sp] = SYSCFG;
[--sp] = P0; /*orig_p0*/
[--sp] = R0; /*orig_r0*/
[--sp] = ( R7:0, P5:0 );
[--sp] = fp;
[--sp] = usp;
[--sp] = i0;
[--sp] = i1;
[--sp] = i2;
[--sp] = i3;
[--sp] = m0;
[--sp] = m1;
[--sp] = m2;
[--sp] = m3;
[--sp] = l0;
[--sp] = l1;
[--sp] = l2;
[--sp] = l3;
[--sp] = b0;
[--sp] = b1;
[--sp] = b2;
[--sp] = b3;
[--sp] = a0.x;
[--sp] = a0.w;
[--sp] = a1.x;
[--sp] = a1.w;
[--sp] = LC0;
[--sp] = LC1;
[--sp] = LT0;
[--sp] = LT1;
[--sp] = LB0;
[--sp] = LB1;
[--sp] = ASTAT;
[--sp] = r0; /* Skip reserved */
[--sp] = RETS;
r0 = RETI;
[--sp] = r0;
[--sp] = RETX;
[--sp] = RETN;
[--sp] = RETE;
[--sp] = SEQSTAT;
[--sp] = r0; /* Skip IPEND as well. */
/* Switch to other method of keeping interrupts disabled. */
#ifdef CONFIG_DEBUG_HWERR
r0 = 0x3f;
sti r0;
#else
cli r0;
#endif
[--sp] = RETI; /*orig_pc*/
/* Clear all L registers. */
r0 = 0 (x);
l0 = r0;
l1 = r0;
l2 = r0;
l3 = r0;
.endm
.macro save_context_syscall
[--sp] = SYSCFG;
[--sp] = P0; /*orig_p0*/
[--sp] = R0; /*orig_r0*/
[--sp] = ( R7:0, P5:0 );
[--sp] = fp;
[--sp] = usp;
[--sp] = i0;
[--sp] = i1;
[--sp] = i2;
[--sp] = i3;
[--sp] = m0;
[--sp] = m1;
[--sp] = m2;
[--sp] = m3;
[--sp] = l0;
[--sp] = l1;
[--sp] = l2;
[--sp] = l3;
[--sp] = b0;
[--sp] = b1;
[--sp] = b2;
[--sp] = b3;
[--sp] = a0.x;
[--sp] = a0.w;
[--sp] = a1.x;
[--sp] = a1.w;
[--sp] = LC0;
[--sp] = LC1;
[--sp] = LT0;
[--sp] = LT1;
[--sp] = LB0;
[--sp] = LB1;
[--sp] = ASTAT;
[--sp] = r0; /* Skip reserved */
[--sp] = RETS;
r0 = RETI;
[--sp] = r0;
[--sp] = RETX;
[--sp] = RETN;
[--sp] = RETE;
[--sp] = SEQSTAT;
[--sp] = r0; /* Skip IPEND as well. */
[--sp] = RETI; /*orig_pc*/
/* Clear all L registers. */
r0 = 0 (x);
l0 = r0;
l1 = r0;
l2 = r0;
l3 = r0;
.endm
.macro save_context_no_interrupts
[--sp] = SYSCFG;
[--sp] = P0; /* orig_p0 */
[--sp] = R0; /* orig_r0 */
[--sp] = ( R7:0, P5:0 );
[--sp] = fp;
[--sp] = usp;
[--sp] = i0;
[--sp] = i1;
[--sp] = i2;
[--sp] = i3;
[--sp] = m0;
[--sp] = m1;
[--sp] = m2;
[--sp] = m3;
[--sp] = l0;
[--sp] = l1;
[--sp] = l2;
[--sp] = l3;
[--sp] = b0;
[--sp] = b1;
[--sp] = b2;
[--sp] = b3;
[--sp] = a0.x;
[--sp] = a0.w;
[--sp] = a1.x;
[--sp] = a1.w;
[--sp] = LC0;
[--sp] = LC1;
[--sp] = LT0;
[--sp] = LT1;
[--sp] = LB0;
[--sp] = LB1;
[--sp] = ASTAT;
#ifdef CONFIG_KGDB
fp = 0(Z);
r1 = sp;
r1 += 60;
r1 += 60;
r1 += 60;
[--sp] = r1;
#else
[--sp] = r0; /* Skip reserved */
#endif
[--sp] = RETS;
r0 = RETI;
[--sp] = r0;
[--sp] = RETX;
[--sp] = RETN;
[--sp] = RETE;
[--sp] = SEQSTAT;
#ifdef CONFIG_DEBUG_KERNEL
p1.l = lo(IPEND);
p1.h = hi(IPEND);
r1 = [p1];
[--sp] = r1;
#else
[--sp] = r0; /* Skip IPEND as well. */
#endif
[--sp] = r0; /*orig_pc*/
/* Clear all L registers. */
r0 = 0 (x);
l0 = r0;
l1 = r0;
l2 = r0;
l3 = r0;
.endm
.macro restore_context_no_interrupts
sp += 4; /* Skip orig_pc */
sp += 4; /* Skip IPEND */
SEQSTAT = [sp++];
RETE = [sp++];
RETN = [sp++];
RETX = [sp++];
r0 = [sp++];
RETI = r0; /* Restore RETI indirectly when in exception */
RETS = [sp++];
sp += 4; /* Skip Reserved */
ASTAT = [sp++];
LB1 = [sp++];
LB0 = [sp++];
LT1 = [sp++];
LT0 = [sp++];
LC1 = [sp++];
LC0 = [sp++];
a1.w = [sp++];
a1.x = [sp++];
a0.w = [sp++];
a0.x = [sp++];
b3 = [sp++];
b2 = [sp++];
b1 = [sp++];
b0 = [sp++];
l3 = [sp++];
l2 = [sp++];
l1 = [sp++];
l0 = [sp++];
m3 = [sp++];
m2 = [sp++];
m1 = [sp++];
m0 = [sp++];
i3 = [sp++];
i2 = [sp++];
i1 = [sp++];
i0 = [sp++];
sp += 4;
fp = [sp++];
( R7 : 0, P5 : 0) = [ SP ++ ];
sp += 8; /* Skip orig_r0/orig_p0 */
SYSCFG = [sp++];
.endm
.macro restore_context_with_interrupts
sp += 4; /* Skip orig_pc */
sp += 4; /* Skip IPEND */
SEQSTAT = [sp++];
RETE = [sp++];
RETN = [sp++];
RETX = [sp++];
RETI = [sp++];
RETS = [sp++];
#ifdef CONFIG_SMP
GET_PDA(p0, r0);
r0 = [p0 + PDA_IRQFLAGS];
#else
p0.h = _bfin_irq_flags;
p0.l = _bfin_irq_flags;
r0 = [p0];
#endif
sti r0;
sp += 4; /* Skip Reserved */
ASTAT = [sp++];
LB1 = [sp++];
LB0 = [sp++];
LT1 = [sp++];
LT0 = [sp++];
LC1 = [sp++];
LC0 = [sp++];
a1.w = [sp++];
a1.x = [sp++];
a0.w = [sp++];
a0.x = [sp++];
b3 = [sp++];
b2 = [sp++];
b1 = [sp++];
b0 = [sp++];
l3 = [sp++];
l2 = [sp++];
l1 = [sp++];
l0 = [sp++];
m3 = [sp++];
m2 = [sp++];
m1 = [sp++];
m0 = [sp++];
i3 = [sp++];
i2 = [sp++];
i1 = [sp++];
i0 = [sp++];
sp += 4;
fp = [sp++];
( R7 : 0, P5 : 0) = [ SP ++ ];
sp += 8; /* Skip orig_r0/orig_p0 */
csync;
SYSCFG = [sp++];
csync;
.endm
.macro save_context_cplb
[--sp] = (R7:0, P5:0);
[--sp] = fp;
[--sp] = a0.x;
[--sp] = a0.w;
[--sp] = a1.x;
[--sp] = a1.w;
[--sp] = LC0;
[--sp] = LC1;
[--sp] = LT0;
[--sp] = LT1;
[--sp] = LB0;
[--sp] = LB1;
[--sp] = RETS;
.endm
.macro restore_context_cplb
RETS = [sp++];
LB1 = [sp++];
LB0 = [sp++];
LT1 = [sp++];
LT0 = [sp++];
LC1 = [sp++];
LC0 = [sp++];
a1.w = [sp++];
a1.x = [sp++];
a0.w = [sp++];
a0.x = [sp++];
fp = [sp++];
(R7:0, P5:0) = [SP++];
.endm

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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _CPLB_H
#define _CPLB_H
#include <mach/anomaly.h>
#define SDRAM_IGENERIC (CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_PORTPRIO)
#define SDRAM_IKERNEL (SDRAM_IGENERIC | CPLB_LOCK)
#define L1_IMEMORY ( CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
#define SDRAM_INON_CHBL ( CPLB_USER_RD | CPLB_VALID)
#if ANOMALY_05000158
#define ANOMALY_05000158_WORKAROUND 0x200
#else
#define ANOMALY_05000158_WORKAROUND 0x0
#endif
#define CPLB_COMMON (CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND)
#ifdef CONFIG_BFIN_EXTMEM_WRITEBACK
#define SDRAM_DGENERIC (CPLB_L1_CHBL | CPLB_COMMON)
#elif defined(CONFIG_BFIN_EXTMEM_WRITETHROUGH)
#define SDRAM_DGENERIC (CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_COMMON)
#else
#define SDRAM_DGENERIC (CPLB_COMMON)
#endif
#define SDRAM_DNON_CHBL (CPLB_COMMON)
#define SDRAM_EBIU (CPLB_COMMON)
#define SDRAM_OOPS (CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_LOCK | CPLB_DIRTY)
#define L1_DMEMORY (CPLB_LOCK | CPLB_COMMON)
#ifdef CONFIG_SMP
#define L2_ATTR (INITIAL_T | I_CPLB | D_CPLB)
#define L2_IMEMORY (CPLB_COMMON | PAGE_SIZE_1MB)
#define L2_DMEMORY (CPLB_LOCK | CPLB_COMMON | PAGE_SIZE_1MB)
#else
#define L2_ATTR (INITIAL_T | SWITCH_T | I_CPLB | D_CPLB)
# if defined(CONFIG_BFIN_L2_ICACHEABLE)
# define L2_IMEMORY (CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | PAGE_SIZE_1MB)
# else
# define L2_IMEMORY ( CPLB_USER_RD | CPLB_VALID | PAGE_SIZE_1MB)
# endif
# if defined(CONFIG_BFIN_L2_WRITEBACK)
# define L2_DMEMORY (CPLB_L1_CHBL | CPLB_COMMON | PAGE_SIZE_1MB)
# elif defined(CONFIG_BFIN_L2_WRITETHROUGH)
# define L2_DMEMORY (CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_COMMON | PAGE_SIZE_1MB)
# else
# define L2_DMEMORY (CPLB_COMMON | PAGE_SIZE_1MB)
# endif
#endif /* CONFIG_SMP */
#define SIZE_1K 0x00000400 /* 1K */
#define SIZE_4K 0x00001000 /* 4K */
#define SIZE_1M 0x00100000 /* 1M */
#define SIZE_4M 0x00400000 /* 4M */
#define MAX_CPLBS 16
#define CPLB_ENABLE_ICACHE_P 0
#define CPLB_ENABLE_DCACHE_P 1
#define CPLB_ENABLE_DCACHE2_P 2
#define CPLB_ENABLE_CPLBS_P 3 /* Deprecated! */
#define CPLB_ENABLE_ICPLBS_P 4
#define CPLB_ENABLE_DCPLBS_P 5
#define CPLB_ENABLE_ICACHE (1<<CPLB_ENABLE_ICACHE_P)
#define CPLB_ENABLE_DCACHE (1<<CPLB_ENABLE_DCACHE_P)
#define CPLB_ENABLE_DCACHE2 (1<<CPLB_ENABLE_DCACHE2_P)
#define CPLB_ENABLE_CPLBS (1<<CPLB_ENABLE_CPLBS_P)
#define CPLB_ENABLE_ICPLBS (1<<CPLB_ENABLE_ICPLBS_P)
#define CPLB_ENABLE_DCPLBS (1<<CPLB_ENABLE_DCPLBS_P)
#define CPLB_ENABLE_ANY_CPLBS CPLB_ENABLE_CPLBS | \
CPLB_ENABLE_ICPLBS | \
CPLB_ENABLE_DCPLBS
#define CPLB_RELOADED 0x0000
#define CPLB_NO_UNLOCKED 0x0001
#define CPLB_NO_ADDR_MATCH 0x0002
#define CPLB_PROT_VIOL 0x0003
#define CPLB_UNKNOWN_ERR 0x0004
#define CPLB_DEF_CACHE CPLB_L1_CHBL | CPLB_WT
#define CPLB_CACHE_ENABLED CPLB_L1_CHBL | CPLB_DIRTY
#define CPLB_I_PAGE_MGMT CPLB_LOCK | CPLB_VALID
#define CPLB_D_PAGE_MGMT CPLB_LOCK | CPLB_ALL_ACCESS | CPLB_VALID
#define CPLB_DNOCACHE CPLB_ALL_ACCESS | CPLB_VALID
#define CPLB_DDOCACHE CPLB_DNOCACHE | CPLB_DEF_CACHE
#define CPLB_INOCACHE CPLB_USER_RD | CPLB_VALID
#define CPLB_IDOCACHE CPLB_INOCACHE | CPLB_L1_CHBL
#define FAULT_RW (1 << 16)
#define FAULT_USERSUPV (1 << 17)
#define FAULT_CPLBBITS 0x0000ffff
#ifndef __ASSEMBLY__
static inline void _disable_cplb(u32 mmr, u32 mask)
{
u32 ctrl = bfin_read32(mmr) & ~mask;
/* CSYNC to ensure load store ordering */
__builtin_bfin_csync();
bfin_write32(mmr, ctrl);
__builtin_bfin_ssync();
}
static inline void disable_cplb(u32 mmr, u32 mask)
{
u32 ctrl = bfin_read32(mmr) & ~mask;
CSYNC();
bfin_write32(mmr, ctrl);
SSYNC();
}
#define _disable_dcplb() _disable_cplb(DMEM_CONTROL, ENDCPLB)
#define disable_dcplb() disable_cplb(DMEM_CONTROL, ENDCPLB)
#define _disable_icplb() _disable_cplb(IMEM_CONTROL, ENICPLB)
#define disable_icplb() disable_cplb(IMEM_CONTROL, ENICPLB)
static inline void _enable_cplb(u32 mmr, u32 mask)
{
u32 ctrl = bfin_read32(mmr) | mask;
/* CSYNC to ensure load store ordering */
__builtin_bfin_csync();
bfin_write32(mmr, ctrl);
__builtin_bfin_ssync();
}
static inline void enable_cplb(u32 mmr, u32 mask)
{
u32 ctrl = bfin_read32(mmr) | mask;
CSYNC();
bfin_write32(mmr, ctrl);
SSYNC();
}
#define _enable_dcplb() _enable_cplb(DMEM_CONTROL, ENDCPLB)
#define enable_dcplb() enable_cplb(DMEM_CONTROL, ENDCPLB)
#define _enable_icplb() _enable_cplb(IMEM_CONTROL, ENICPLB)
#define enable_icplb() enable_cplb(IMEM_CONTROL, ENICPLB)
#endif /* __ASSEMBLY__ */
#endif /* _CPLB_H */

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/*
* Common CPLB definitions for CPLB init
*
* Copyright 2006-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ASM_CPLBINIT_H__
#define __ASM_CPLBINIT_H__
#include <asm/blackfin.h>
#include <asm/cplb.h>
#include <linux/threads.h>
#ifdef CONFIG_CPLB_SWITCH_TAB_L1
# define PDT_ATTR __attribute__((l1_data))
#else
# define PDT_ATTR
#endif
struct cplb_entry {
unsigned long data, addr;
};
struct cplb_boundary {
unsigned long eaddr; /* End of this region. */
unsigned long data; /* CPLB data value. */
};
extern struct cplb_boundary dcplb_bounds[];
extern struct cplb_boundary icplb_bounds[];
extern int dcplb_nr_bounds, icplb_nr_bounds;
extern struct cplb_entry dcplb_tbl[NR_CPUS][MAX_CPLBS];
extern struct cplb_entry icplb_tbl[NR_CPUS][MAX_CPLBS];
extern int first_switched_icplb;
extern int first_switched_dcplb;
extern int nr_dcplb_miss[], nr_icplb_miss[], nr_icplb_supv_miss[];
extern int nr_dcplb_prot[], nr_cplb_flush[];
#ifdef CONFIG_MPU
extern int first_mask_dcplb;
extern int page_mask_order;
extern int page_mask_nelts;
extern unsigned long *current_rwx_mask[NR_CPUS];
extern void flush_switched_cplbs(unsigned int);
extern void set_mask_dcplbs(unsigned long *, unsigned int);
extern void __noreturn panic_cplb_error(int seqstat, struct pt_regs *);
#endif /* CONFIG_MPU */
extern void bfin_icache_init(struct cplb_entry *icplb_tbl);
extern void bfin_dcache_init(struct cplb_entry *icplb_tbl);
#if defined(CONFIG_BFIN_DCACHE) || defined(CONFIG_BFIN_ICACHE)
extern void generate_cplb_tables_all(void);
extern void generate_cplb_tables_cpu(unsigned int cpu);
#endif
#endif

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/*
* Copyright 2007-2009 Analog Devices Inc.
* Philippe Gerum <rpm@xenomai.org>
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ASM_BLACKFIN_CPU_H
#define __ASM_BLACKFIN_CPU_H
#include <linux/percpu.h>
struct task_struct;
struct blackfin_cpudata {
struct cpu cpu;
struct task_struct *idle;
unsigned int imemctl;
unsigned int dmemctl;
unsigned long dcache_invld_count;
unsigned long icache_invld_count;
};
DECLARE_PER_CPU(struct blackfin_cpudata, cpu_data);
#endif

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#include <asm-generic/cputime.h>

1
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#include <asm-generic/current.h>

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kernel/arch/blackfin/include/asm/def_LPBlackfin.h Normal file
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/*
* Blackfin core register bit & address definitions
*
* Copyright 2005-2008 Analog Devices Inc.
*
* Licensed under the ADI BSD license or GPL-2 (or later).
*/
#ifndef _DEF_LPBLACKFIN_H
#define _DEF_LPBLACKFIN_H
#include <mach/anomaly.h>
#define MK_BMSK_(x) (1<<x)
#ifndef __ASSEMBLY__
#include <linux/types.h>
#if ANOMALY_05000198
# define NOP_PAD_ANOMALY_05000198 "nop;"
#else
# define NOP_PAD_ANOMALY_05000198
#endif
#define bfin_read8(addr) ({ \
uint32_t __v; \
__asm__ __volatile__( \
NOP_PAD_ANOMALY_05000198 \
"%0 = b[%1] (z);" \
: "=d" (__v) \
: "a" (addr) \
); \
__v; })
#define bfin_read16(addr) ({ \
uint32_t __v; \
__asm__ __volatile__( \
NOP_PAD_ANOMALY_05000198 \
"%0 = w[%1] (z);" \
: "=d" (__v) \
: "a" (addr) \
); \
__v; })
#define bfin_read32(addr) ({ \
uint32_t __v; \
__asm__ __volatile__( \
NOP_PAD_ANOMALY_05000198 \
"%0 = [%1];" \
: "=d" (__v) \
: "a" (addr) \
); \
__v; })
#define bfin_write8(addr, val) \
__asm__ __volatile__( \
NOP_PAD_ANOMALY_05000198 \
"b[%0] = %1;" \
: \
: "a" (addr), "d" ((uint8_t)(val)) \
: "memory" \
)
#define bfin_write16(addr, val) \
__asm__ __volatile__( \
NOP_PAD_ANOMALY_05000198 \
"w[%0] = %1;" \
: \
: "a" (addr), "d" ((uint16_t)(val)) \
: "memory" \
)
#define bfin_write32(addr, val) \
__asm__ __volatile__( \
NOP_PAD_ANOMALY_05000198 \
"[%0] = %1;" \
: \
: "a" (addr), "d" (val) \
: "memory" \
)
#endif /* __ASSEMBLY__ */
/**************************************************
* System Register Bits
**************************************************/
/**************************************************
* ASTAT register
**************************************************/
/* definitions of ASTAT bit positions*/
/*Result of last ALU0 or shifter operation is zero*/
#define ASTAT_AZ_P 0x00000000
/*Result of last ALU0 or shifter operation is negative*/
#define ASTAT_AN_P 0x00000001
/*Condition Code, used for holding comparison results*/
#define ASTAT_CC_P 0x00000005
/*Quotient Bit*/
#define ASTAT_AQ_P 0x00000006
/*Rounding mode, set for biased, clear for unbiased*/
#define ASTAT_RND_MOD_P 0x00000008
/*Result of last ALU0 operation generated a carry*/
#define ASTAT_AC0_P 0x0000000C
/*Result of last ALU0 operation generated a carry*/
#define ASTAT_AC0_COPY_P 0x00000002
/*Result of last ALU1 operation generated a carry*/
#define ASTAT_AC1_P 0x0000000D
/*Result of last ALU0 or MAC0 operation overflowed, sticky for MAC*/
#define ASTAT_AV0_P 0x00000010
/*Sticky version of ASTAT_AV0 */
#define ASTAT_AV0S_P 0x00000011
/*Result of last MAC1 operation overflowed, sticky for MAC*/
#define ASTAT_AV1_P 0x00000012
/*Sticky version of ASTAT_AV1 */
#define ASTAT_AV1S_P 0x00000013
/*Result of last ALU0 or MAC0 operation overflowed*/
#define ASTAT_V_P 0x00000018
/*Result of last ALU0 or MAC0 operation overflowed*/
#define ASTAT_V_COPY_P 0x00000003
/*Sticky version of ASTAT_V*/
#define ASTAT_VS_P 0x00000019
/* Masks */
/*Result of last ALU0 or shifter operation is zero*/
#define ASTAT_AZ MK_BMSK_(ASTAT_AZ_P)
/*Result of last ALU0 or shifter operation is negative*/
#define ASTAT_AN MK_BMSK_(ASTAT_AN_P)
/*Result of last ALU0 operation generated a carry*/
#define ASTAT_AC0 MK_BMSK_(ASTAT_AC0_P)
/*Result of last ALU0 operation generated a carry*/
#define ASTAT_AC0_COPY MK_BMSK_(ASTAT_AC0_COPY_P)
/*Result of last ALU0 operation generated a carry*/
#define ASTAT_AC1 MK_BMSK_(ASTAT_AC1_P)
/*Result of last ALU0 or MAC0 operation overflowed, sticky for MAC*/
#define ASTAT_AV0 MK_BMSK_(ASTAT_AV0_P)
/*Result of last MAC1 operation overflowed, sticky for MAC*/
#define ASTAT_AV1 MK_BMSK_(ASTAT_AV1_P)
/*Condition Code, used for holding comparison results*/
#define ASTAT_CC MK_BMSK_(ASTAT_CC_P)
/*Quotient Bit*/
#define ASTAT_AQ MK_BMSK_(ASTAT_AQ_P)
/*Rounding mode, set for biased, clear for unbiased*/
#define ASTAT_RND_MOD MK_BMSK_(ASTAT_RND_MOD_P)
/*Overflow Bit*/
#define ASTAT_V MK_BMSK_(ASTAT_V_P)
/*Overflow Bit*/
#define ASTAT_V_COPY MK_BMSK_(ASTAT_V_COPY_P)
/**************************************************
* SEQSTAT register
**************************************************/
/* Bit Positions */
#define SEQSTAT_EXCAUSE0_P 0x00000000 /* Last exception cause bit 0 */
#define SEQSTAT_EXCAUSE1_P 0x00000001 /* Last exception cause bit 1 */
#define SEQSTAT_EXCAUSE2_P 0x00000002 /* Last exception cause bit 2 */
#define SEQSTAT_EXCAUSE3_P 0x00000003 /* Last exception cause bit 3 */
#define SEQSTAT_EXCAUSE4_P 0x00000004 /* Last exception cause bit 4 */
#define SEQSTAT_EXCAUSE5_P 0x00000005 /* Last exception cause bit 5 */
#define SEQSTAT_IDLE_REQ_P 0x0000000C /* Pending idle mode request,
* set by IDLE instruction.
*/
#define SEQSTAT_SFTRESET_P 0x0000000D /* Indicates whether the last
* reset was a software reset
* (=1)
*/
#define SEQSTAT_HWERRCAUSE0_P 0x0000000E /* Last hw error cause bit 0 */
#define SEQSTAT_HWERRCAUSE1_P 0x0000000F /* Last hw error cause bit 1 */
#define SEQSTAT_HWERRCAUSE2_P 0x00000010 /* Last hw error cause bit 2 */
#define SEQSTAT_HWERRCAUSE3_P 0x00000011 /* Last hw error cause bit 3 */
#define SEQSTAT_HWERRCAUSE4_P 0x00000012 /* Last hw error cause bit 4 */
/* Masks */
/* Exception cause */
#define SEQSTAT_EXCAUSE (MK_BMSK_(SEQSTAT_EXCAUSE0_P) | \
MK_BMSK_(SEQSTAT_EXCAUSE1_P) | \
MK_BMSK_(SEQSTAT_EXCAUSE2_P) | \
MK_BMSK_(SEQSTAT_EXCAUSE3_P) | \
MK_BMSK_(SEQSTAT_EXCAUSE4_P) | \
MK_BMSK_(SEQSTAT_EXCAUSE5_P) | \
0)
/* Indicates whether the last reset was a software reset (=1) */
#define SEQSTAT_SFTRESET (MK_BMSK_(SEQSTAT_SFTRESET_P))
/* Last hw error cause */
#define SEQSTAT_HWERRCAUSE (MK_BMSK_(SEQSTAT_HWERRCAUSE0_P) | \
MK_BMSK_(SEQSTAT_HWERRCAUSE1_P) | \
MK_BMSK_(SEQSTAT_HWERRCAUSE2_P) | \
MK_BMSK_(SEQSTAT_HWERRCAUSE3_P) | \
MK_BMSK_(SEQSTAT_HWERRCAUSE4_P) | \
0)
/* Translate bits to something useful */
/* Last hw error cause */
#define SEQSTAT_HWERRCAUSE_SHIFT (14)
#define SEQSTAT_HWERRCAUSE_SYSTEM_MMR (0x02 << SEQSTAT_HWERRCAUSE_SHIFT)
#define SEQSTAT_HWERRCAUSE_EXTERN_ADDR (0x03 << SEQSTAT_HWERRCAUSE_SHIFT)
#define SEQSTAT_HWERRCAUSE_PERF_FLOW (0x12 << SEQSTAT_HWERRCAUSE_SHIFT)
#define SEQSTAT_HWERRCAUSE_RAISE_5 (0x18 << SEQSTAT_HWERRCAUSE_SHIFT)
/**************************************************
* SYSCFG register
**************************************************/
/* Bit Positions */
#define SYSCFG_SSSTEP_P 0x00000000 /* Supervisor single step, when
* set it forces an exception
* for each instruction executed
*/
#define SYSCFG_CCEN_P 0x00000001 /* Enable cycle counter (=1) */
#define SYSCFG_SNEN_P 0x00000002 /* Self nesting Interrupt Enable */
/* Masks */
/* Supervisor single step, when set it forces an exception for each
*instruction executed
*/
#define SYSCFG_SSSTEP MK_BMSK_(SYSCFG_SSSTEP_P )
/* Enable cycle counter (=1) */
#define SYSCFG_CCEN MK_BMSK_(SYSCFG_CCEN_P )
/* Self Nesting Interrupt Enable */
#define SYSCFG_SNEN MK_BMSK_(SYSCFG_SNEN_P)
/* Backward-compatibility for typos in prior releases */
#define SYSCFG_SSSSTEP SYSCFG_SSSTEP
#define SYSCFG_CCCEN SYSCFG_CCEN
/****************************************************
* Core MMR Register Map
****************************************************/
/* Data Cache & SRAM Memory (0xFFE00000 - 0xFFE00404) */
#define SRAM_BASE_ADDRESS 0xFFE00000 /* SRAM Base Address Register */
#define DMEM_CONTROL 0xFFE00004 /* Data memory control */
#define DCPLB_STATUS 0xFFE00008 /* Data Cache Programmable Look-Aside
* Buffer Status
*/
#define DCPLB_FAULT_STATUS 0xFFE00008 /* "" (older define) */
#define DCPLB_FAULT_ADDR 0xFFE0000C /* Data Cache Programmable Look-Aside
* Buffer Fault Address
*/
#define DCPLB_ADDR0 0xFFE00100 /* Data Cache Protection Lookaside
* Buffer 0
*/
#define DCPLB_ADDR1 0xFFE00104 /* Data Cache Protection Lookaside
* Buffer 1
*/
#define DCPLB_ADDR2 0xFFE00108 /* Data Cache Protection Lookaside
* Buffer 2
*/
#define DCPLB_ADDR3 0xFFE0010C /* Data Cacheability Protection
* Lookaside Buffer 3
*/
#define DCPLB_ADDR4 0xFFE00110 /* Data Cacheability Protection
* Lookaside Buffer 4
*/
#define DCPLB_ADDR5 0xFFE00114 /* Data Cacheability Protection
* Lookaside Buffer 5
*/
#define DCPLB_ADDR6 0xFFE00118 /* Data Cacheability Protection
* Lookaside Buffer 6
*/
#define DCPLB_ADDR7 0xFFE0011C /* Data Cacheability Protection
* Lookaside Buffer 7
*/
#define DCPLB_ADDR8 0xFFE00120 /* Data Cacheability Protection
* Lookaside Buffer 8
*/
#define DCPLB_ADDR9 0xFFE00124 /* Data Cacheability Protection
* Lookaside Buffer 9
*/
#define DCPLB_ADDR10 0xFFE00128 /* Data Cacheability Protection
* Lookaside Buffer 10
*/
#define DCPLB_ADDR11 0xFFE0012C /* Data Cacheability Protection
* Lookaside Buffer 11
*/
#define DCPLB_ADDR12 0xFFE00130 /* Data Cacheability Protection
* Lookaside Buffer 12
*/
#define DCPLB_ADDR13 0xFFE00134 /* Data Cacheability Protection
* Lookaside Buffer 13
*/
#define DCPLB_ADDR14 0xFFE00138 /* Data Cacheability Protection
* Lookaside Buffer 14
*/
#define DCPLB_ADDR15 0xFFE0013C /* Data Cacheability Protection
* Lookaside Buffer 15
*/
#define DCPLB_DATA0 0xFFE00200 /* Data Cache 0 Status */
#define DCPLB_DATA1 0xFFE00204 /* Data Cache 1 Status */
#define DCPLB_DATA2 0xFFE00208 /* Data Cache 2 Status */
#define DCPLB_DATA3 0xFFE0020C /* Data Cache 3 Status */
#define DCPLB_DATA4 0xFFE00210 /* Data Cache 4 Status */
#define DCPLB_DATA5 0xFFE00214 /* Data Cache 5 Status */
#define DCPLB_DATA6 0xFFE00218 /* Data Cache 6 Status */
#define DCPLB_DATA7 0xFFE0021C /* Data Cache 7 Status */
#define DCPLB_DATA8 0xFFE00220 /* Data Cache 8 Status */
#define DCPLB_DATA9 0xFFE00224 /* Data Cache 9 Status */
#define DCPLB_DATA10 0xFFE00228 /* Data Cache 10 Status */
#define DCPLB_DATA11 0xFFE0022C /* Data Cache 11 Status */
#define DCPLB_DATA12 0xFFE00230 /* Data Cache 12 Status */
#define DCPLB_DATA13 0xFFE00234 /* Data Cache 13 Status */
#define DCPLB_DATA14 0xFFE00238 /* Data Cache 14 Status */
#define DCPLB_DATA15 0xFFE0023C /* Data Cache 15 Status */
#define DCPLB_DATA16 0xFFE00240 /* Extra Dummy entry */
#define DTEST_COMMAND 0xFFE00300 /* Data Test Command Register */
#define DTEST_DATA0 0xFFE00400 /* Data Test Data Register */
#define DTEST_DATA1 0xFFE00404 /* Data Test Data Register */
/* Instruction Cache & SRAM Memory (0xFFE01004 - 0xFFE01404) */
#define IMEM_CONTROL 0xFFE01004 /* Instruction Memory Control */
#define ICPLB_STATUS 0xFFE01008 /* Instruction Cache miss status */
#define CODE_FAULT_STATUS 0xFFE01008 /* "" (older define) */
#define ICPLB_FAULT_ADDR 0xFFE0100C /* Instruction Cache miss address */
#define CODE_FAULT_ADDR 0xFFE0100C /* "" (older define) */
#define ICPLB_ADDR0 0xFFE01100 /* Instruction Cacheability
* Protection Lookaside Buffer 0
*/
#define ICPLB_ADDR1 0xFFE01104 /* Instruction Cacheability
* Protection Lookaside Buffer 1
*/
#define ICPLB_ADDR2 0xFFE01108 /* Instruction Cacheability
* Protection Lookaside Buffer 2
*/
#define ICPLB_ADDR3 0xFFE0110C /* Instruction Cacheability
* Protection Lookaside Buffer 3
*/
#define ICPLB_ADDR4 0xFFE01110 /* Instruction Cacheability
* Protection Lookaside Buffer 4
*/
#define ICPLB_ADDR5 0xFFE01114 /* Instruction Cacheability
* Protection Lookaside Buffer 5
*/
#define ICPLB_ADDR6 0xFFE01118 /* Instruction Cacheability
* Protection Lookaside Buffer 6
*/
#define ICPLB_ADDR7 0xFFE0111C /* Instruction Cacheability
* Protection Lookaside Buffer 7
*/
#define ICPLB_ADDR8 0xFFE01120 /* Instruction Cacheability
* Protection Lookaside Buffer 8
*/
#define ICPLB_ADDR9 0xFFE01124 /* Instruction Cacheability
* Protection Lookaside Buffer 9
*/
#define ICPLB_ADDR10 0xFFE01128 /* Instruction Cacheability
* Protection Lookaside Buffer 10
*/
#define ICPLB_ADDR11 0xFFE0112C /* Instruction Cacheability
* Protection Lookaside Buffer 11
*/
#define ICPLB_ADDR12 0xFFE01130 /* Instruction Cacheability
* Protection Lookaside Buffer 12
*/
#define ICPLB_ADDR13 0xFFE01134 /* Instruction Cacheability
* Protection Lookaside Buffer 13
*/
#define ICPLB_ADDR14 0xFFE01138 /* Instruction Cacheability
* Protection Lookaside Buffer 14
*/
#define ICPLB_ADDR15 0xFFE0113C /* Instruction Cacheability
* Protection Lookaside Buffer 15
*/
#define ICPLB_DATA0 0xFFE01200 /* Instruction Cache 0 Status */
#define ICPLB_DATA1 0xFFE01204 /* Instruction Cache 1 Status */
#define ICPLB_DATA2 0xFFE01208 /* Instruction Cache 2 Status */
#define ICPLB_DATA3 0xFFE0120C /* Instruction Cache 3 Status */
#define ICPLB_DATA4 0xFFE01210 /* Instruction Cache 4 Status */
#define ICPLB_DATA5 0xFFE01214 /* Instruction Cache 5 Status */
#define ICPLB_DATA6 0xFFE01218 /* Instruction Cache 6 Status */
#define ICPLB_DATA7 0xFFE0121C /* Instruction Cache 7 Status */
#define ICPLB_DATA8 0xFFE01220 /* Instruction Cache 8 Status */
#define ICPLB_DATA9 0xFFE01224 /* Instruction Cache 9 Status */
#define ICPLB_DATA10 0xFFE01228 /* Instruction Cache 10 Status */
#define ICPLB_DATA11 0xFFE0122C /* Instruction Cache 11 Status */
#define ICPLB_DATA12 0xFFE01230 /* Instruction Cache 12 Status */
#define ICPLB_DATA13 0xFFE01234 /* Instruction Cache 13 Status */
#define ICPLB_DATA14 0xFFE01238 /* Instruction Cache 14 Status */
#define ICPLB_DATA15 0xFFE0123C /* Instruction Cache 15 Status */
#define ITEST_COMMAND 0xFFE01300 /* Instruction Test Command Register */
#define ITEST_DATA0 0xFFE01400 /* Instruction Test Data Register */
#define ITEST_DATA1 0xFFE01404 /* Instruction Test Data Register */
/* Event/Interrupt Controller Registers (0xFFE02000 - 0xFFE02110) */
#define EVT0 0xFFE02000 /* Event Vector 0 ESR Address */
#define EVT1 0xFFE02004 /* Event Vector 1 ESR Address */
#define EVT2 0xFFE02008 /* Event Vector 2 ESR Address */
#define EVT3 0xFFE0200C /* Event Vector 3 ESR Address */
#define EVT4 0xFFE02010 /* Event Vector 4 ESR Address */
#define EVT5 0xFFE02014 /* Event Vector 5 ESR Address */
#define EVT6 0xFFE02018 /* Event Vector 6 ESR Address */
#define EVT7 0xFFE0201C /* Event Vector 7 ESR Address */
#define EVT8 0xFFE02020 /* Event Vector 8 ESR Address */
#define EVT9 0xFFE02024 /* Event Vector 9 ESR Address */
#define EVT10 0xFFE02028 /* Event Vector 10 ESR Address */
#define EVT11 0xFFE0202C /* Event Vector 11 ESR Address */
#define EVT12 0xFFE02030 /* Event Vector 12 ESR Address */
#define EVT13 0xFFE02034 /* Event Vector 13 ESR Address */
#define EVT14 0xFFE02038 /* Event Vector 14 ESR Address */
#define EVT15 0xFFE0203C /* Event Vector 15 ESR Address */
#define IMASK 0xFFE02104 /* Interrupt Mask Register */
#define IPEND 0xFFE02108 /* Interrupt Pending Register */
#define ILAT 0xFFE0210C /* Interrupt Latch Register */
#define IPRIO 0xFFE02110 /* Core Interrupt Priority Register */
/* Core Timer Registers (0xFFE03000 - 0xFFE0300C) */
#define TCNTL 0xFFE03000 /* Core Timer Control Register */
#define TPERIOD 0xFFE03004 /* Core Timer Period Register */
#define TSCALE 0xFFE03008 /* Core Timer Scale Register */
#define TCOUNT 0xFFE0300C /* Core Timer Count Register */
/* Debug/MP/Emulation Registers (0xFFE05000 - 0xFFE05008) */
#define DSPID 0xFFE05000 /* DSP Processor ID Register for
* MP implementations
*/
#define DBGSTAT 0xFFE05008 /* Debug Status Register */
/* Trace Buffer Registers (0xFFE06000 - 0xFFE06100) */
#define TBUFCTL 0xFFE06000 /* Trace Buffer Control Register */
#define TBUFSTAT 0xFFE06004 /* Trace Buffer Status Register */
#define TBUF 0xFFE06100 /* Trace Buffer */
/* Watchpoint Control Registers (0xFFE07000 - 0xFFE07200) */
/* Watchpoint Instruction Address Control Register */
#define WPIACTL 0xFFE07000
/* Watchpoint Instruction Address Register 0 */
#define WPIA0 0xFFE07040
/* Watchpoint Instruction Address Register 1 */
#define WPIA1 0xFFE07044
/* Watchpoint Instruction Address Register 2 */
#define WPIA2 0xFFE07048
/* Watchpoint Instruction Address Register 3 */
#define WPIA3 0xFFE0704C
/* Watchpoint Instruction Address Register 4 */
#define WPIA4 0xFFE07050
/* Watchpoint Instruction Address Register 5 */
#define WPIA5 0xFFE07054
/* Watchpoint Instruction Address Count Register 0 */
#define WPIACNT0 0xFFE07080
/* Watchpoint Instruction Address Count Register 1 */
#define WPIACNT1 0xFFE07084
/* Watchpoint Instruction Address Count Register 2 */
#define WPIACNT2 0xFFE07088
/* Watchpoint Instruction Address Count Register 3 */
#define WPIACNT3 0xFFE0708C
/* Watchpoint Instruction Address Count Register 4 */
#define WPIACNT4 0xFFE07090
/* Watchpoint Instruction Address Count Register 5 */
#define WPIACNT5 0xFFE07094
/* Watchpoint Data Address Control Register */
#define WPDACTL 0xFFE07100
/* Watchpoint Data Address Register 0 */
#define WPDA0 0xFFE07140
/* Watchpoint Data Address Register 1 */
#define WPDA1 0xFFE07144
/* Watchpoint Data Address Count Value Register 0 */
#define WPDACNT0 0xFFE07180
/* Watchpoint Data Address Count Value Register 1 */
#define WPDACNT1 0xFFE07184
/* Watchpoint Status Register */
#define WPSTAT 0xFFE07200
/* Performance Monitor Registers (0xFFE08000 - 0xFFE08104) */
/* Performance Monitor Control Register */
#define PFCTL 0xFFE08000
/* Performance Monitor Counter Register 0 */
#define PFCNTR0 0xFFE08100
/* Performance Monitor Counter Register 1 */
#define PFCNTR1 0xFFE08104
/****************************************************
* Core MMR Register Bits
****************************************************/
/**************************************************
* EVT registers (ILAT, IMASK, and IPEND).
**************************************************/
/* Bit Positions */
#define EVT_EMU_P 0x00000000 /* Emulator interrupt bit position */
#define EVT_RST_P 0x00000001 /* Reset interrupt bit position */
#define EVT_NMI_P 0x00000002 /* Non Maskable interrupt bit position */
#define EVT_EVX_P 0x00000003 /* Exception bit position */
#define EVT_IRPTEN_P 0x00000004 /* Global interrupt enable bit position */
#define EVT_IVHW_P 0x00000005 /* Hardware Error interrupt bit position */
#define EVT_IVTMR_P 0x00000006 /* Timer interrupt bit position */
#define EVT_IVG7_P 0x00000007 /* IVG7 interrupt bit position */
#define EVT_IVG8_P 0x00000008 /* IVG8 interrupt bit position */
#define EVT_IVG9_P 0x00000009 /* IVG9 interrupt bit position */
#define EVT_IVG10_P 0x0000000a /* IVG10 interrupt bit position */
#define EVT_IVG11_P 0x0000000b /* IVG11 interrupt bit position */
#define EVT_IVG12_P 0x0000000c /* IVG12 interrupt bit position */
#define EVT_IVG13_P 0x0000000d /* IVG13 interrupt bit position */
#define EVT_IVG14_P 0x0000000e /* IVG14 interrupt bit position */
#define EVT_IVG15_P 0x0000000f /* IVG15 interrupt bit position */
/* Masks */
#define EVT_EMU MK_BMSK_(EVT_EMU_P ) /* Emulator interrupt mask */
#define EVT_RST MK_BMSK_(EVT_RST_P ) /* Reset interrupt mask */
#define EVT_NMI MK_BMSK_(EVT_NMI_P ) /* Non Maskable interrupt mask */
#define EVT_EVX MK_BMSK_(EVT_EVX_P ) /* Exception mask */
#define EVT_IRPTEN MK_BMSK_(EVT_IRPTEN_P) /* Global interrupt enable mask */
#define EVT_IVHW MK_BMSK_(EVT_IVHW_P ) /* Hardware Error interrupt mask */
#define EVT_IVTMR MK_BMSK_(EVT_IVTMR_P ) /* Timer interrupt mask */
#define EVT_IVG7 MK_BMSK_(EVT_IVG7_P ) /* IVG7 interrupt mask */
#define EVT_IVG8 MK_BMSK_(EVT_IVG8_P ) /* IVG8 interrupt mask */
#define EVT_IVG9 MK_BMSK_(EVT_IVG9_P ) /* IVG9 interrupt mask */
#define EVT_IVG10 MK_BMSK_(EVT_IVG10_P ) /* IVG10 interrupt mask */
#define EVT_IVG11 MK_BMSK_(EVT_IVG11_P ) /* IVG11 interrupt mask */
#define EVT_IVG12 MK_BMSK_(EVT_IVG12_P ) /* IVG12 interrupt mask */
#define EVT_IVG13 MK_BMSK_(EVT_IVG13_P ) /* IVG13 interrupt mask */
#define EVT_IVG14 MK_BMSK_(EVT_IVG14_P ) /* IVG14 interrupt mask */
#define EVT_IVG15 MK_BMSK_(EVT_IVG15_P ) /* IVG15 interrupt mask */
/**************************************************
* DMEM_CONTROL Register
**************************************************/
/* Bit Positions */
#define ENDM_P 0x00 /* (doesn't really exist) Enable
*Data Memory L1
*/
#define DMCTL_ENDM_P ENDM_P /* "" (older define) */
#define ENDCPLB_P 0x01 /* Enable DCPLBS */
#define DMCTL_ENDCPLB_P ENDCPLB_P /* "" (older define) */
#define DMC0_P 0x02 /* L1 Data Memory Configure bit 0 */
#define DMCTL_DMC0_P DMC0_P /* "" (older define) */
#define DMC1_P 0x03 /* L1 Data Memory Configure bit 1 */
#define DMCTL_DMC1_P DMC1_P /* "" (older define) */
#define DCBS_P 0x04 /* L1 Data Cache Bank Select */
#define PORT_PREF0_P 0x12 /* DAG0 Port Preference */
#define PORT_PREF1_P 0x13 /* DAG1 Port Preference */
/* Masks */
#define ENDM 0x00000001 /* (doesn't really exist) Enable
* Data Memory L1
*/
#define ENDCPLB 0x00000002 /* Enable DCPLB */
#define ASRAM_BSRAM 0x00000000
#define ACACHE_BSRAM 0x00000008
#define ACACHE_BCACHE 0x0000000C
#define DCBS 0x00000010 /* L1 Data Cache Bank Select */
#define PORT_PREF0 0x00001000 /* DAG0 Port Preference */
#define PORT_PREF1 0x00002000 /* DAG1 Port Preference */
/* IMEM_CONTROL Register */
/* Bit Positions */
#define ENIM_P 0x00 /* Enable L1 Code Memory */
#define IMCTL_ENIM_P 0x00 /* "" (older define) */
#define ENICPLB_P 0x01 /* Enable ICPLB */
#define IMCTL_ENICPLB_P 0x01 /* "" (older define) */
#define IMC_P 0x02 /* Enable */
#define IMCTL_IMC_P 0x02 /* Configure L1 code memory as
* cache (0=SRAM)
*/
#define ILOC0_P 0x03 /* Lock Way 0 */
#define ILOC1_P 0x04 /* Lock Way 1 */
#define ILOC2_P 0x05 /* Lock Way 2 */
#define ILOC3_P 0x06 /* Lock Way 3 */
#define LRUPRIORST_P 0x0D /* Least Recently Used Replacement
* Priority
*/
/* Masks */
#define ENIM 0x00000001 /* Enable L1 Code Memory */
#define ENICPLB 0x00000002 /* Enable ICPLB */
#define IMC 0x00000004 /* Configure L1 code memory as
* cache (0=SRAM)
*/
#define ILOC0 0x00000008 /* Lock Way 0 */
#define ILOC1 0x00000010 /* Lock Way 1 */
#define ILOC2 0x00000020 /* Lock Way 2 */
#define ILOC3 0x00000040 /* Lock Way 3 */
#define LRUPRIORST 0x00002000 /* Least Recently Used Replacement
* Priority
*/
/* TCNTL Masks */
#define TMPWR 0x00000001 /* Timer Low Power Control,
* 0=low power mode, 1=active state
*/
#define TMREN 0x00000002 /* Timer enable, 0=disable, 1=enable */
#define TAUTORLD 0x00000004 /* Timer auto reload */
#define TINT 0x00000008 /* Timer generated interrupt 0=no
* interrupt has been generated,
* 1=interrupt has been generated
* (sticky)
*/
/* DCPLB_DATA and ICPLB_DATA Registers */
/* Bit Positions */
#define CPLB_VALID_P 0x00000000 /* 0=invalid entry, 1=valid entry */
#define CPLB_LOCK_P 0x00000001 /* 0=entry may be replaced, 1=entry
* locked
*/
#define CPLB_USER_RD_P 0x00000002 /* 0=no read access, 1=read access
* allowed (user mode)
*/
/* Masks */
#define CPLB_VALID 0x00000001 /* 0=invalid entry, 1=valid entry */
#define CPLB_LOCK 0x00000002 /* 0=entry may be replaced, 1=entry
* locked
*/
#define CPLB_USER_RD 0x00000004 /* 0=no read access, 1=read access
* allowed (user mode)
*/
#define PAGE_SIZE_1KB 0x00000000 /* 1 KB page size */
#define PAGE_SIZE_4KB 0x00010000 /* 4 KB page size */
#define PAGE_SIZE_1MB 0x00020000 /* 1 MB page size */
#define PAGE_SIZE_4MB 0x00030000 /* 4 MB page size */
#define CPLB_L1SRAM 0x00000020 /* 0=SRAM mapped in L1, 0=SRAM not
* mapped to L1
*/
#define CPLB_PORTPRIO 0x00000200 /* 0=low priority port, 1= high
* priority port
*/
#define CPLB_L1_CHBL 0x00001000 /* 0=non-cacheable in L1, 1=cacheable
* in L1
*/
/* ICPLB_DATA only */
#define CPLB_LRUPRIO 0x00000100 /* 0=can be replaced by any line,
* 1=priority for non-replacement
*/
/* DCPLB_DATA only */
#define CPLB_USER_WR 0x00000008 /* 0=no write access, 0=write
* access allowed (user mode)
*/
#define CPLB_SUPV_WR 0x00000010 /* 0=no write access, 0=write
* access allowed (supervisor mode)
*/
#define CPLB_DIRTY 0x00000080 /* 1=dirty, 0=clean */
#define CPLB_L1_AOW 0x00008000 /* 0=do not allocate cache lines on
* write-through writes,
* 1= allocate cache lines on
* write-through writes.
*/
#define CPLB_WT 0x00004000 /* 0=write-back, 1=write-through */
#define CPLB_ALL_ACCESS CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR
/* TBUFCTL Masks */
#define TBUFPWR 0x0001
#define TBUFEN 0x0002
#define TBUFOVF 0x0004
#define TBUFCMPLP_SINGLE 0x0008
#define TBUFCMPLP_DOUBLE 0x0010
#define TBUFCMPLP (TBUFCMPLP_SINGLE | TBUFCMPLP_DOUBLE)
/* TBUFSTAT Masks */
#define TBUFCNT 0x001F
/* ITEST_COMMAND and DTEST_COMMAND Registers */
/* Masks */
#define TEST_READ 0x00000000 /* Read Access */
#define TEST_WRITE 0x00000002 /* Write Access */
#define TEST_TAG 0x00000000 /* Access TAG */
#define TEST_DATA 0x00000004 /* Access DATA */
#define TEST_DW0 0x00000000 /* Select Double Word 0 */
#define TEST_DW1 0x00000008 /* Select Double Word 1 */
#define TEST_DW2 0x00000010 /* Select Double Word 2 */
#define TEST_DW3 0x00000018 /* Select Double Word 3 */
#define TEST_MB0 0x00000000 /* Select Mini-Bank 0 */
#define TEST_MB1 0x00010000 /* Select Mini-Bank 1 */
#define TEST_MB2 0x00020000 /* Select Mini-Bank 2 */
#define TEST_MB3 0x00030000 /* Select Mini-Bank 3 */
#define TEST_SET(x) ((x << 5) & 0x03E0) /* Set Index 0->31 */
#define TEST_WAY0 0x00000000 /* Access Way0 */
#define TEST_WAY1 0x04000000 /* Access Way1 */
/* ITEST_COMMAND only */
#define TEST_WAY2 0x08000000 /* Access Way2 */
#define TEST_WAY3 0x0C000000 /* Access Way3 */
/* DTEST_COMMAND only */
#define TEST_BNKSELA 0x00000000 /* Access SuperBank A */
#define TEST_BNKSELB 0x00800000 /* Access SuperBank B */
#endif /* _DEF_LPBLACKFIN_H */

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/*
* delay.h - delay functions
*
* Copyright (c) 2004-2007 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ASM_DELAY_H__
#define __ASM_DELAY_H__
#include <mach/anomaly.h>
static inline void __delay(unsigned long loops)
{
__asm__ __volatile__ (
"LSETUP(1f, 1f) LC0 = %0;"
"1: NOP;"
:
: "a" (loops)
: "LT0", "LB0", "LC0"
);
}
#include <linux/param.h> /* needed for HZ */
/*
* close approximation borrowed from m68knommu to avoid 64-bit math
*/
#define HZSCALE (268435456 / (1000000/HZ))
static inline void udelay(unsigned long usecs)
{
extern unsigned long loops_per_jiffy;
__delay((((usecs * HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6);
}
#endif

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#include <asm-generic/device.h>

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#include <asm-generic/div64.h>

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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BLACKFIN_DMA_MAPPING_H
#define _BLACKFIN_DMA_MAPPING_H
#include <asm/scatterlist.h>
void dma_alloc_init(unsigned long start, unsigned long end);
void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp);
void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
dma_addr_t dma_handle);
/*
* Now for the API extensions over the pci_ one
*/
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
static inline
int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
return 0;
}
/*
* Map a single buffer of the indicated size for DMA in streaming mode.
* The 32-bit bus address to use is returned.
*
* Once the device is given the dma address, the device owns this memory
* until either pci_unmap_single or pci_dma_sync_single is performed.
*/
extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
enum dma_data_direction direction);
static inline dma_addr_t
dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size,
enum dma_data_direction dir)
{
return dma_map_single(dev, page_address(page) + offset, size, dir);
}
/*
* Unmap a single streaming mode DMA translation. The dma_addr and size
* must match what was provided for in a previous pci_map_single call. All
* other usages are undefined.
*
* After this call, reads by the cpu to the buffer are guarenteed to see
* whatever the device wrote there.
*/
extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
enum dma_data_direction direction);
static inline void
dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size,
enum dma_data_direction dir)
{
dma_unmap_single(dev, dma_addr, size, dir);
}
/*
* Map a set of buffers described by scatterlist in streaming
* mode for DMA. This is the scather-gather version of the
* above pci_map_single interface. Here the scatter gather list
* elements are each tagged with the appropriate dma address
* and length. They are obtained via sg_dma_{address,length}(SG).
*
* NOTE: An implementation may be able to use a smaller number of
* DMA address/length pairs than there are SG table elements.
* (for example via virtual mapping capabilities)
* The routine returns the number of addr/length pairs actually
* used, at most nents.
*
* Device ownership issues as mentioned above for pci_map_single are
* the same here.
*/
extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction direction);
/*
* Unmap a set of streaming mode DMA translations.
* Again, cpu read rules concerning calls here are the same as for
* pci_unmap_single() above.
*/
extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
int nhwentries, enum dma_data_direction direction);
static inline void dma_sync_single_for_cpu(struct device *dev,
dma_addr_t handle, size_t size,
enum dma_data_direction dir)
{
}
static inline void dma_sync_single_for_device(struct device *dev,
dma_addr_t handle, size_t size,
enum dma_data_direction dir)
{
}
static inline void dma_sync_sg_for_cpu(struct device *dev,
struct scatterlist *sg,
int nents, enum dma_data_direction dir)
{
}
static inline void dma_sync_sg_for_device(struct device *dev,
struct scatterlist *sg,
int nents, enum dma_data_direction dir)
{
}
#endif /* _BLACKFIN_DMA_MAPPING_H */

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/*
* dma.h - Blackfin DMA defines/structures/etc...
*
* Copyright 2004-2008 Analog Devices Inc.
* Licensed under the GPL-2 or later.
*/
#ifndef _BLACKFIN_DMA_H_
#define _BLACKFIN_DMA_H_
#include <linux/interrupt.h>
#include <mach/dma.h>
#include <asm/blackfin.h>
#include <asm/page.h>
#define MAX_DMA_ADDRESS PAGE_OFFSET
/*****************************************************************************
* Generic DMA Declarations
*
****************************************************************************/
enum dma_chan_status {
DMA_CHANNEL_FREE,
DMA_CHANNEL_REQUESTED,
DMA_CHANNEL_ENABLED,
};
/*-------------------------
* config reg bits value
*-------------------------*/
#define DATA_SIZE_8 0
#define DATA_SIZE_16 1
#define DATA_SIZE_32 2
#define DMA_FLOW_STOP 0
#define DMA_FLOW_AUTO 1
#define DMA_FLOW_ARRAY 4
#define DMA_FLOW_SMALL 6
#define DMA_FLOW_LARGE 7
#define DIMENSION_LINEAR 0
#define DIMENSION_2D 1
#define DIR_READ 0
#define DIR_WRITE 1
#define INTR_DISABLE 0
#define INTR_ON_BUF 2
#define INTR_ON_ROW 3
#define DMA_NOSYNC_KEEP_DMA_BUF 0
#define DMA_SYNC_RESTART 1
struct dmasg {
void *next_desc_addr;
unsigned long start_addr;
unsigned short cfg;
unsigned short x_count;
short x_modify;
unsigned short y_count;
short y_modify;
} __attribute__((packed));
struct dma_register {
void *next_desc_ptr; /* DMA Next Descriptor Pointer register */
unsigned long start_addr; /* DMA Start address register */
unsigned short cfg; /* DMA Configuration register */
unsigned short dummy1; /* DMA Configuration register */
unsigned long reserved;
unsigned short x_count; /* DMA x_count register */
unsigned short dummy2;
short x_modify; /* DMA x_modify register */
unsigned short dummy3;
unsigned short y_count; /* DMA y_count register */
unsigned short dummy4;
short y_modify; /* DMA y_modify register */
unsigned short dummy5;
void *curr_desc_ptr; /* DMA Current Descriptor Pointer
register */
unsigned long curr_addr_ptr; /* DMA Current Address Pointer
register */
unsigned short irq_status; /* DMA irq status register */
unsigned short dummy6;
unsigned short peripheral_map; /* DMA peripheral map register */
unsigned short dummy7;
unsigned short curr_x_count; /* DMA Current x-count register */
unsigned short dummy8;
unsigned long reserved2;
unsigned short curr_y_count; /* DMA Current y-count register */
unsigned short dummy9;
unsigned long reserved3;
};
struct mutex;
struct dma_channel {
struct mutex dmalock;
const char *device_id;
enum dma_chan_status chan_status;
volatile struct dma_register *regs;
struct dmasg *sg; /* large mode descriptor */
unsigned int irq;
void *data;
#ifdef CONFIG_PM
unsigned short saved_peripheral_map;
#endif
};
#ifdef CONFIG_PM
int blackfin_dma_suspend(void);
void blackfin_dma_resume(void);
#endif
/*******************************************************************************
* DMA API's
*******************************************************************************/
extern struct dma_channel dma_ch[MAX_DMA_CHANNELS];
extern struct dma_register *dma_io_base_addr[MAX_DMA_CHANNELS];
extern int channel2irq(unsigned int channel);
static inline void set_dma_start_addr(unsigned int channel, unsigned long addr)
{
dma_ch[channel].regs->start_addr = addr;
}
static inline void set_dma_next_desc_addr(unsigned int channel, void *addr)
{
dma_ch[channel].regs->next_desc_ptr = addr;
}
static inline void set_dma_curr_desc_addr(unsigned int channel, void *addr)
{
dma_ch[channel].regs->curr_desc_ptr = addr;
}
static inline void set_dma_x_count(unsigned int channel, unsigned short x_count)
{
dma_ch[channel].regs->x_count = x_count;
}
static inline void set_dma_y_count(unsigned int channel, unsigned short y_count)
{
dma_ch[channel].regs->y_count = y_count;
}
static inline void set_dma_x_modify(unsigned int channel, short x_modify)
{
dma_ch[channel].regs->x_modify = x_modify;
}
static inline void set_dma_y_modify(unsigned int channel, short y_modify)
{
dma_ch[channel].regs->y_modify = y_modify;
}
static inline void set_dma_config(unsigned int channel, unsigned short config)
{
dma_ch[channel].regs->cfg = config;
}
static inline void set_dma_curr_addr(unsigned int channel, unsigned long addr)
{
dma_ch[channel].regs->curr_addr_ptr = addr;
}
static inline unsigned short
set_bfin_dma_config(char direction, char flow_mode,
char intr_mode, char dma_mode, char width, char syncmode)
{
return (direction << 1) | (width << 2) | (dma_mode << 4) |
(intr_mode << 6) | (flow_mode << 12) | (syncmode << 5);
}
static inline unsigned short get_dma_curr_irqstat(unsigned int channel)
{
return dma_ch[channel].regs->irq_status;
}
static inline unsigned short get_dma_curr_xcount(unsigned int channel)
{
return dma_ch[channel].regs->curr_x_count;
}
static inline unsigned short get_dma_curr_ycount(unsigned int channel)
{
return dma_ch[channel].regs->curr_y_count;
}
static inline void *get_dma_next_desc_ptr(unsigned int channel)
{
return dma_ch[channel].regs->next_desc_ptr;
}
static inline void *get_dma_curr_desc_ptr(unsigned int channel)
{
return dma_ch[channel].regs->curr_desc_ptr;
}
static inline unsigned short get_dma_config(unsigned int channel)
{
return dma_ch[channel].regs->cfg;
}
static inline unsigned long get_dma_curr_addr(unsigned int channel)
{
return dma_ch[channel].regs->curr_addr_ptr;
}
static inline void set_dma_sg(unsigned int channel, struct dmasg *sg, int ndsize)
{
/* Make sure the internal data buffers in the core are drained
* so that the DMA descriptors are completely written when the
* DMA engine goes to fetch them below.
*/
SSYNC();
dma_ch[channel].regs->next_desc_ptr = sg;
dma_ch[channel].regs->cfg =
(dma_ch[channel].regs->cfg & ~(0xf << 8)) |
((ndsize & 0xf) << 8);
}
static inline int dma_channel_active(unsigned int channel)
{
if (dma_ch[channel].chan_status == DMA_CHANNEL_FREE)
return 0;
else
return 1;
}
static inline void disable_dma(unsigned int channel)
{
dma_ch[channel].regs->cfg &= ~DMAEN;
SSYNC();
dma_ch[channel].chan_status = DMA_CHANNEL_REQUESTED;
}
static inline void enable_dma(unsigned int channel)
{
dma_ch[channel].regs->curr_x_count = 0;
dma_ch[channel].regs->curr_y_count = 0;
dma_ch[channel].regs->cfg |= DMAEN;
dma_ch[channel].chan_status = DMA_CHANNEL_ENABLED;
}
void free_dma(unsigned int channel);
int request_dma(unsigned int channel, const char *device_id);
int set_dma_callback(unsigned int channel, irq_handler_t callback, void *data);
static inline void dma_disable_irq(unsigned int channel)
{
disable_irq(dma_ch[channel].irq);
}
static inline void dma_enable_irq(unsigned int channel)
{
enable_irq(dma_ch[channel].irq);
}
static inline void clear_dma_irqstat(unsigned int channel)
{
dma_ch[channel].regs->irq_status = DMA_DONE | DMA_ERR;
}
void *dma_memcpy(void *dest, const void *src, size_t count);
void *safe_dma_memcpy(void *dest, const void *src, size_t count);
void blackfin_dma_early_init(void);
void early_dma_memcpy(void *dest, const void *src, size_t count);
void early_dma_memcpy_done(void);
#endif

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/*
* Miscellaneous IOCTL commands for Dynamic Power Management Controller Driver
*
* Copyright (C) 2004-2008 Analog Device Inc.
*
* Licensed under the GPL-2
*/
#ifndef _BLACKFIN_DPMC_H_
#define _BLACKFIN_DPMC_H_
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
void sleep_mode(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
void hibernate_mode(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
void sleep_deeper(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
void do_hibernate(int wakeup);
void set_dram_srfs(void);
void unset_dram_srfs(void);
#define VRPAIR(vlev, freq) (((vlev) << 16) | ((freq) >> 16))
struct bfin_dpmc_platform_data {
const unsigned int *tuple_tab;
unsigned short tabsize;
unsigned short vr_settling_time; /* in us */
};
#else
#define PM_PUSH(x) \
R0 = [P0 + (x - SRAM_BASE_ADDRESS)];\
[--SP] = R0;\
#define PM_POP(x) \
R0 = [SP++];\
[P0 + (x - SRAM_BASE_ADDRESS)] = R0;\
#define PM_SYS_PUSH(x) \
R0 = [P0 + (x - PLL_CTL)];\
[--SP] = R0;\
#define PM_SYS_POP(x) \
R0 = [SP++];\
[P0 + (x - PLL_CTL)] = R0;\
#define PM_SYS_PUSH16(x) \
R0 = w[P0 + (x - PLL_CTL)];\
[--SP] = R0;\
#define PM_SYS_POP16(x) \
R0 = [SP++];\
w[P0 + (x - PLL_CTL)] = R0;\
#endif
#endif /* __KERNEL__ */
#endif /*_BLACKFIN_DPMC_H_*/

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/*
* function prototpyes for early printk
*
* Copyright 2007-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ASM_EARLY_PRINTK_H__
#define __ASM_EARLY_PRINTK_H__
#ifdef CONFIG_EARLY_PRINTK
/* For those that don't include it already */
#include <linux/console.h>
extern int setup_early_printk(char *);
extern void enable_shadow_console(void);
extern int shadow_console_enabled(void);
extern void mark_shadow_error(void);
extern void early_shadow_reg(unsigned long reg, unsigned int n);
extern void early_shadow_write(struct console *con, const char *s,
unsigned int n) __attribute__((nonnull(2)));
#define early_shadow_puts(str) early_shadow_write(NULL, str, strlen(str))
#define early_shadow_stamp() \
do { \
early_shadow_puts(__FILE__ " : " __stringify(__LINE__) " ["); \
early_shadow_puts(__func__); \
early_shadow_puts("]\n"); \
} while (0)
#else
#define setup_early_printk(fmt) do { } while (0)
#define enable_shadow_console(fmt) do { } while (0)
#define early_shadow_stamp() do { } while (0)
#endif /* CONFIG_EARLY_PRINTK */
#endif /* __ASM_EARLY_PRINTK_H__ */

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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ASMBFIN_ELF_H
#define __ASMBFIN_ELF_H
/*
* ELF register definitions..
*/
#include <asm/ptrace.h>
#include <asm/user.h>
/* Processor specific flags for the ELF header e_flags field. */
#define EF_BFIN_PIC 0x00000001 /* -fpic */
#define EF_BFIN_FDPIC 0x00000002 /* -mfdpic */
#define EF_BFIN_CODE_IN_L1 0x00000010 /* --code-in-l1 */
#define EF_BFIN_DATA_IN_L1 0x00000020 /* --data-in-l1 */
#define EF_BFIN_CODE_IN_L2 0x00000040 /* --code-in-l2 */
#define EF_BFIN_DATA_IN_L2 0x00000080 /* --data-in-l2 */
typedef unsigned long elf_greg_t;
#define ELF_NGREG 40 /* (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) */
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef struct { } elf_fpregset_t;
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
#define elf_check_arch(x) ((x)->e_machine == EM_BLACKFIN)
#define elf_check_fdpic(x) ((x)->e_flags & EF_BFIN_FDPIC /* && !((x)->e_flags & EF_FRV_NON_PIC_RELOCS) */)
#define elf_check_const_displacement(x) ((x)->e_flags & EF_BFIN_PIC)
/* EM_BLACKFIN defined in linux/elf.h */
/*
* These are used to set parameters in the core dumps.
*/
#define ELF_CLASS ELFCLASS32
#define ELF_DATA ELFDATA2LSB
#define ELF_ARCH EM_BLACKFIN
#define ELF_PLAT_INIT(_r) _r->p1 = 0
#define ELF_FDPIC_PLAT_INIT(_regs, _exec_map_addr, _interp_map_addr, _dynamic_addr) \
do { \
_regs->r7 = 0; \
_regs->p0 = _exec_map_addr; \
_regs->p1 = _interp_map_addr; \
_regs->p2 = _dynamic_addr; \
} while(0)
#define USE_ELF_CORE_DUMP
#define ELF_FDPIC_CORE_EFLAGS EF_BFIN_FDPIC
#define ELF_EXEC_PAGESIZE 4096
#define R_BFIN_UNUSED0 0 /* relocation type 0 is not defined */
#define R_BFIN_PCREL5M2 1 /* LSETUP part a */
#define R_BFIN_UNUSED1 2 /* relocation type 2 is not defined */
#define R_BFIN_PCREL10 3 /* type 3, if cc jump <target> */
#define R_BFIN_PCREL12_JUMP 4 /* type 4, jump <target> */
#define R_BFIN_RIMM16 5 /* type 0x5, rN = <target> */
#define R_BFIN_LUIMM16 6 /* # 0x6, preg.l=<target> Load imm 16 to lower half */
#define R_BFIN_HUIMM16 7 /* # 0x7, preg.h=<target> Load imm 16 to upper half */
#define R_BFIN_PCREL12_JUMP_S 8 /* # 0x8 jump.s <target> */
#define R_BFIN_PCREL24_JUMP_X 9 /* # 0x9 jump.x <target> */
#define R_BFIN_PCREL24 10 /* # 0xa call <target> , not expandable */
#define R_BFIN_UNUSEDB 11 /* # 0xb not generated */
#define R_BFIN_UNUSEDC 12 /* # 0xc not used */
#define R_BFIN_PCREL24_JUMP_L 13 /* 0xd jump.l <target> */
#define R_BFIN_PCREL24_CALL_X 14 /* 0xE, call.x <target> if <target> is above 24 bit limit call through P1 */
#define R_BFIN_VAR_EQ_SYMB 15 /* 0xf, linker should treat it same as 0x12 */
#define R_BFIN_BYTE_DATA 16 /* 0x10, .byte var = symbol */
#define R_BFIN_BYTE2_DATA 17 /* 0x11, .byte2 var = symbol */
#define R_BFIN_BYTE4_DATA 18 /* 0x12, .byte4 var = symbol and .var var=symbol */
#define R_BFIN_PCREL11 19 /* 0x13, lsetup part b */
#define R_BFIN_UNUSED14 20 /* 0x14, undefined */
#define R_BFIN_UNUSED15 21 /* not generated by VDSP 3.5 */
/* arithmetic relocations */
#define R_BFIN_PUSH 0xE0
#define R_BFIN_CONST 0xE1
#define R_BFIN_ADD 0xE2
#define R_BFIN_SUB 0xE3
#define R_BFIN_MULT 0xE4
#define R_BFIN_DIV 0xE5
#define R_BFIN_MOD 0xE6
#define R_BFIN_LSHIFT 0xE7
#define R_BFIN_RSHIFT 0xE8
#define R_BFIN_AND 0xE9
#define R_BFIN_OR 0xEA
#define R_BFIN_XOR 0xEB
#define R_BFIN_LAND 0xEC
#define R_BFIN_LOR 0xED
#define R_BFIN_LEN 0xEE
#define R_BFIN_NEG 0xEF
#define R_BFIN_COMP 0xF0
#define R_BFIN_PAGE 0xF1
#define R_BFIN_HWPAGE 0xF2
#define R_BFIN_ADDR 0xF3
/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
use of this is to invoke "./ld.so someprog" to test out a new version of
the loader. We need to make sure that it is out of the way of the program
that it will "exec", and that there is sufficient room for the brk. */
#define ELF_ET_DYN_BASE 0xD0000000UL
#define ELF_CORE_COPY_REGS(pr_reg, regs) \
memcpy((char *) &pr_reg, (char *)regs, \
sizeof(struct pt_regs));
/* This yields a mask that user programs can use to figure out what
instruction set this cpu supports. */
#define ELF_HWCAP (0)
/* This yields a string that ld.so will use to load implementation
specific libraries for optimization. This is more specific in
intent than poking at uname or /proc/cpuinfo. */
#define ELF_PLATFORM (NULL)
#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
#endif

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kernel/arch/blackfin/include/asm/emergency-restart.h Normal file
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#include <asm-generic/emergency-restart.h>

186
kernel/arch/blackfin/include/asm/entry.h Normal file
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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __BFIN_ENTRY_H
#define __BFIN_ENTRY_H
#include <asm/setup.h>
#include <asm/page.h>
#ifdef __ASSEMBLY__
#define LFLUSH_I_AND_D 0x00000808
#define LSIGTRAP 5
/* process bits for task_struct.flags */
#define PF_TRACESYS_OFF 3
#define PF_TRACESYS_BIT 5
#define PF_PTRACED_OFF 3
#define PF_PTRACED_BIT 4
#define PF_DTRACE_OFF 1
#define PF_DTRACE_BIT 5
/*
* NOTE! The single-stepping code assumes that all interrupt handlers
* start by saving SYSCFG on the stack with their first instruction.
*/
/* This one is used for exceptions, emulation, and NMI. It doesn't push
RETI and doesn't do cli. */
#define SAVE_ALL_SYS save_context_no_interrupts
/* This is used for all normal interrupts. It saves a minimum of registers
to the stack, loads the IRQ number, and jumps to common code. */
#ifdef CONFIG_IPIPE
# define LOAD_IPIPE_IPEND \
P0.l = lo(IPEND); \
P0.h = hi(IPEND); \
R1 = [P0];
#else
# define LOAD_IPIPE_IPEND
#endif
/*
* Workaround for anomalies 05000283 and 05000315
*/
#if ANOMALY_05000283 || ANOMALY_05000315
# define ANOMALY_283_315_WORKAROUND(preg, dreg) \
cc = dreg == dreg; \
preg.h = HI(CHIPID); \
preg.l = LO(CHIPID); \
if cc jump 1f; \
dreg.l = W[preg]; \
1:
#else
# define ANOMALY_283_315_WORKAROUND(preg, dreg)
#endif /* ANOMALY_05000283 || ANOMALY_05000315 */
#ifndef CONFIG_EXACT_HWERR
/* As a debugging aid - we save IPEND when DEBUG_KERNEL is on,
* otherwise it is a waste of cycles.
*/
# ifndef CONFIG_DEBUG_KERNEL
#define INTERRUPT_ENTRY(N) \
[--sp] = SYSCFG; \
[--sp] = P0; /*orig_p0*/ \
[--sp] = R0; /*orig_r0*/ \
[--sp] = (R7:0,P5:0); \
R0 = (N); \
LOAD_IPIPE_IPEND \
jump __common_int_entry;
# else /* CONFIG_DEBUG_KERNEL */
#define INTERRUPT_ENTRY(N) \
[--sp] = SYSCFG; \
[--sp] = P0; /*orig_p0*/ \
[--sp] = R0; /*orig_r0*/ \
[--sp] = (R7:0,P5:0); \
p0.l = lo(IPEND); \
p0.h = hi(IPEND); \
r1 = [p0]; \
R0 = (N); \
LOAD_IPIPE_IPEND \
jump __common_int_entry;
# endif /* CONFIG_DEBUG_KERNEL */
/* For timer interrupts, we need to save IPEND, since the user_mode
*macro accesses it to determine where to account time.
*/
#define TIMER_INTERRUPT_ENTRY(N) \
[--sp] = SYSCFG; \
[--sp] = P0; /*orig_p0*/ \
[--sp] = R0; /*orig_r0*/ \
[--sp] = (R7:0,P5:0); \
p0.l = lo(IPEND); \
p0.h = hi(IPEND); \
r1 = [p0]; \
R0 = (N); \
jump __common_int_entry;
#else /* CONFIG_EXACT_HWERR is defined */
/* if we want hardware error to be exact, we need to do a SSYNC (which forces
* read/writes to complete to the memory controllers), and check to see that
* caused a pending HW error condition. If so, we assume it was caused by user
* space, by setting the same interrupt that we are in (so it goes off again)
* and context restore, and a RTI (without servicing anything). This should
* cause the pending HWERR to fire, and when that is done, this interrupt will
* be re-serviced properly.
* As you can see by the code - we actually need to do two SSYNCS - one to
* make sure the read/writes complete, and another to make sure the hardware
* error is recognized by the core.
*
* The extra nop before the SSYNC is to make sure we work around 05000244,
* since the 283/315 workaround includes a branch to the end
*/
#define INTERRUPT_ENTRY(N) \
[--sp] = SYSCFG; \
[--sp] = P0; /*orig_p0*/ \
[--sp] = R0; /*orig_r0*/ \
[--sp] = (R7:0,P5:0); \
R1 = ASTAT; \
ANOMALY_283_315_WORKAROUND(p0, r0) \
P0.L = LO(ILAT); \
P0.H = HI(ILAT); \
NOP; \
SSYNC; \
SSYNC; \
R0 = [P0]; \
CC = BITTST(R0, EVT_IVHW_P); \
IF CC JUMP 1f; \
ASTAT = R1; \
p0.l = lo(IPEND); \
p0.h = hi(IPEND); \
r1 = [p0]; \
R0 = (N); \
LOAD_IPIPE_IPEND \
jump __common_int_entry; \
1: ASTAT = R1; \
RAISE N; \
(R7:0, P5:0) = [SP++]; \
SP += 0x8; \
SYSCFG = [SP++]; \
CSYNC; \
RTI;
#define TIMER_INTERRUPT_ENTRY(N) \
[--sp] = SYSCFG; \
[--sp] = P0; /*orig_p0*/ \
[--sp] = R0; /*orig_r0*/ \
[--sp] = (R7:0,P5:0); \
R1 = ASTAT; \
ANOMALY_283_315_WORKAROUND(p0, r0) \
P0.L = LO(ILAT); \
P0.H = HI(ILAT); \
NOP; \
SSYNC; \
SSYNC; \
R0 = [P0]; \
CC = BITTST(R0, EVT_IVHW_P); \
IF CC JUMP 1f; \
ASTAT = R1; \
p0.l = lo(IPEND); \
p0.h = hi(IPEND); \
r1 = [p0]; \
R0 = (N); \
jump __common_int_entry; \
1: ASTAT = R1; \
RAISE N; \
(R7:0, P5:0) = [SP++]; \
SP += 0x8; \
SYSCFG = [SP++]; \
CSYNC; \
RTI;
#endif /* CONFIG_EXACT_HWERR */
/* This one pushes RETI without using CLI. Interrupts are enabled. */
#define SAVE_CONTEXT_SYSCALL save_context_syscall
#define SAVE_CONTEXT save_context_with_interrupts
#define SAVE_CONTEXT_CPLB save_context_cplb
#define RESTORE_ALL_SYS restore_context_no_interrupts
#define RESTORE_CONTEXT restore_context_with_interrupts
#define RESTORE_CONTEXT_CPLB restore_context_cplb
#endif /* __ASSEMBLY__ */
#endif /* __BFIN_ENTRY_H */

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#include <asm-generic/errno.h>

1
kernel/arch/blackfin/include/asm/fb.h Normal file
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#include <asm-generic/fb.h>

19
kernel/arch/blackfin/include/asm/fcntl.h Normal file
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/*
* Copyright 2004-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BFIN_FCNTL_H
#define _BFIN_FCNTL_H
/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
located on an ext2 file system */
#define O_DIRECTORY 040000 /* must be a directory */
#define O_NOFOLLOW 0100000 /* don't follow links */
#define O_DIRECT 0200000 /* direct disk access hint - currently ignored */
#define O_LARGEFILE 0400000
#include <asm-generic/fcntl.h>
#endif

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kernel/arch/blackfin/include/asm/fixed_code.h Normal file
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/*
* This file defines the fixed addresses where userspace programs
* can find atomic code sequences.
*
* Copyright 2007-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __BFIN_ASM_FIXED_CODE_H__
#define __BFIN_ASM_FIXED_CODE_H__
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
#include <linux/linkage.h>
#include <linux/ptrace.h>
extern asmlinkage void finish_atomic_sections(struct pt_regs *regs);
extern char fixed_code_start;
extern char fixed_code_end;
extern int atomic_xchg32(void);
extern int atomic_cas32(void);
extern int atomic_add32(void);
extern int atomic_sub32(void);
extern int atomic_ior32(void);
extern int atomic_and32(void);
extern int atomic_xor32(void);
extern void safe_user_instruction(void);
extern void sigreturn_stub(void);
#endif
#endif
#define FIXED_CODE_START 0x400
#define SIGRETURN_STUB 0x400
#define ATOMIC_SEQS_START 0x410
#define ATOMIC_XCHG32 0x410
#define ATOMIC_CAS32 0x420
#define ATOMIC_ADD32 0x430
#define ATOMIC_SUB32 0x440
#define ATOMIC_IOR32 0x450
#define ATOMIC_AND32 0x460
#define ATOMIC_XOR32 0x470
#define ATOMIC_SEQS_END 0x480
#define SAFE_USER_INSTRUCTION 0x480
#define FIXED_CODE_END 0x490
#endif

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/*
* uClinux flat-format executables
*
* Copyright 2003-2009 Analog Devices Inc.
*
* Licensed under the GPL-2
*/
#ifndef __BLACKFIN_FLAT_H__
#define __BLACKFIN_FLAT_H__
#include <asm/unaligned.h>
#define flat_argvp_envp_on_stack() 0
#define flat_old_ram_flag(flags) (flags)
extern unsigned long bfin_get_addr_from_rp (unsigned long *ptr,
unsigned long relval,
unsigned long flags,
unsigned long *persistent);
extern void bfin_put_addr_at_rp(unsigned long *ptr, unsigned long addr,
unsigned long relval);
/* The amount by which a relocation can exceed the program image limits
without being regarded as an error. */
#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
#define flat_get_addr_from_rp(rp, relval, flags, persistent) \
bfin_get_addr_from_rp(rp, relval, flags, persistent)
#define flat_put_addr_at_rp(rp, val, relval) \
bfin_put_addr_at_rp(rp, val, relval)
/* Convert a relocation entry into an address. */
static inline unsigned long
flat_get_relocate_addr (unsigned long relval)
{
return relval & 0x03ffffff; /* Mask out top 6 bits */
}
static inline int flat_set_persistent(unsigned long relval,
unsigned long *persistent)
{
int type = (relval >> 26) & 7;
if (type == 3) {
*persistent = relval << 16;
return 1;
}
return 0;
}
static inline int flat_addr_absolute(unsigned long relval)
{
return (relval & (1 << 29)) != 0;
}
#endif /* __BLACKFIN_FLAT_H__ */

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/*
* Blackfin ftrace code
*
* Copyright 2009 Analog Devices Inc.
* Licensed under the GPL-2 or later.
*/
#ifndef __ASM_BFIN_FTRACE_H__
#define __ASM_BFIN_FTRACE_H__
#define MCOUNT_INSN_SIZE 6 /* sizeof "[++sp] = rets; call __mcount;" */
#endif

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kernel/arch/blackfin/include/asm/futex.h Normal file
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#include <asm-generic/futex.h>

296
kernel/arch/blackfin/include/asm/gpio.h Normal file
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/*
* Copyright 2006-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ARCH_BLACKFIN_GPIO_H__
#define __ARCH_BLACKFIN_GPIO_H__
#define gpio_bank(x) ((x) >> 4)
#define gpio_bit(x) (1<<((x) & 0xF))
#define gpio_sub_n(x) ((x) & 0xF)
#define GPIO_BANKSIZE 16
#define GPIO_BANK_NUM DIV_ROUND_UP(MAX_BLACKFIN_GPIOS, GPIO_BANKSIZE)
#include <mach/gpio.h>
#define GPIO_0 0
#define GPIO_1 1
#define GPIO_2 2
#define GPIO_3 3
#define GPIO_4 4
#define GPIO_5 5
#define GPIO_6 6
#define GPIO_7 7
#define GPIO_8 8
#define GPIO_9 9
#define GPIO_10 10
#define GPIO_11 11
#define GPIO_12 12
#define GPIO_13 13
#define GPIO_14 14
#define GPIO_15 15
#define GPIO_16 16
#define GPIO_17 17
#define GPIO_18 18
#define GPIO_19 19
#define GPIO_20 20
#define GPIO_21 21
#define GPIO_22 22
#define GPIO_23 23
#define GPIO_24 24
#define GPIO_25 25
#define GPIO_26 26
#define GPIO_27 27
#define GPIO_28 28
#define GPIO_29 29
#define GPIO_30 30
#define GPIO_31 31
#define GPIO_32 32
#define GPIO_33 33
#define GPIO_34 34
#define GPIO_35 35
#define GPIO_36 36
#define GPIO_37 37
#define GPIO_38 38
#define GPIO_39 39
#define GPIO_40 40
#define GPIO_41 41
#define GPIO_42 42
#define GPIO_43 43
#define GPIO_44 44
#define GPIO_45 45
#define GPIO_46 46
#define GPIO_47 47
#define PERIPHERAL_USAGE 1
#define GPIO_USAGE 0
#ifndef __ASSEMBLY__
/***********************************************************
*
* FUNCTIONS: Blackfin General Purpose Ports Access Functions
*
* INPUTS/OUTPUTS:
* gpio - GPIO Number between 0 and MAX_BLACKFIN_GPIOS
*
*
* DESCRIPTION: These functions abstract direct register access
* to Blackfin processor General Purpose
* Ports Regsiters
*
* CAUTION: These functions do not belong to the GPIO Driver API
*************************************************************
* MODIFICATION HISTORY :
**************************************************************/
#ifndef CONFIG_BF54x
void set_gpio_dir(unsigned, unsigned short);
void set_gpio_inen(unsigned, unsigned short);
void set_gpio_polar(unsigned, unsigned short);
void set_gpio_edge(unsigned, unsigned short);
void set_gpio_both(unsigned, unsigned short);
void set_gpio_data(unsigned, unsigned short);
void set_gpio_maska(unsigned, unsigned short);
void set_gpio_maskb(unsigned, unsigned short);
void set_gpio_toggle(unsigned);
void set_gpiop_dir(unsigned, unsigned short);
void set_gpiop_inen(unsigned, unsigned short);
void set_gpiop_polar(unsigned, unsigned short);
void set_gpiop_edge(unsigned, unsigned short);
void set_gpiop_both(unsigned, unsigned short);
void set_gpiop_data(unsigned, unsigned short);
void set_gpiop_maska(unsigned, unsigned short);
void set_gpiop_maskb(unsigned, unsigned short);
unsigned short get_gpio_dir(unsigned);
unsigned short get_gpio_inen(unsigned);
unsigned short get_gpio_polar(unsigned);
unsigned short get_gpio_edge(unsigned);
unsigned short get_gpio_both(unsigned);
unsigned short get_gpio_maska(unsigned);
unsigned short get_gpio_maskb(unsigned);
unsigned short get_gpio_data(unsigned);
unsigned short get_gpiop_dir(unsigned);
unsigned short get_gpiop_inen(unsigned);
unsigned short get_gpiop_polar(unsigned);
unsigned short get_gpiop_edge(unsigned);
unsigned short get_gpiop_both(unsigned);
unsigned short get_gpiop_maska(unsigned);
unsigned short get_gpiop_maskb(unsigned);
unsigned short get_gpiop_data(unsigned);
struct gpio_port_t {
unsigned short data;
unsigned short dummy1;
unsigned short data_clear;
unsigned short dummy2;
unsigned short data_set;
unsigned short dummy3;
unsigned short toggle;
unsigned short dummy4;
unsigned short maska;
unsigned short dummy5;
unsigned short maska_clear;
unsigned short dummy6;
unsigned short maska_set;
unsigned short dummy7;
unsigned short maska_toggle;
unsigned short dummy8;
unsigned short maskb;
unsigned short dummy9;
unsigned short maskb_clear;
unsigned short dummy10;
unsigned short maskb_set;
unsigned short dummy11;
unsigned short maskb_toggle;
unsigned short dummy12;
unsigned short dir;
unsigned short dummy13;
unsigned short polar;
unsigned short dummy14;
unsigned short edge;
unsigned short dummy15;
unsigned short both;
unsigned short dummy16;
unsigned short inen;
};
#endif
#ifdef CONFIG_PM
unsigned int bfin_pm_standby_setup(void);
void bfin_pm_standby_restore(void);
void bfin_gpio_pm_hibernate_restore(void);
void bfin_gpio_pm_hibernate_suspend(void);
#ifndef CONFIG_BF54x
#define PM_WAKE_RISING 0x1
#define PM_WAKE_FALLING 0x2
#define PM_WAKE_HIGH 0x4
#define PM_WAKE_LOW 0x8
#define PM_WAKE_BOTH_EDGES (PM_WAKE_RISING | PM_WAKE_FALLING)
#define PM_WAKE_IGNORE 0xF0
int gpio_pm_wakeup_request(unsigned gpio, unsigned char type);
void gpio_pm_wakeup_free(unsigned gpio);
struct gpio_port_s {
unsigned short data;
unsigned short maska;
unsigned short maskb;
unsigned short dir;
unsigned short polar;
unsigned short edge;
unsigned short both;
unsigned short inen;
unsigned short fer;
unsigned short reserved;
unsigned short mux;
};
#endif /*CONFIG_BF54x*/
#endif /*CONFIG_PM*/
/***********************************************************
*
* FUNCTIONS: Blackfin GPIO Driver
*
* INPUTS/OUTPUTS:
* gpio - GPIO Number between 0 and MAX_BLACKFIN_GPIOS
*
*
* DESCRIPTION: Blackfin GPIO Driver API
*
* CAUTION:
*************************************************************
* MODIFICATION HISTORY :
**************************************************************/
int bfin_gpio_request(unsigned gpio, const char *label);
void bfin_gpio_free(unsigned gpio);
int bfin_gpio_irq_request(unsigned gpio, const char *label);
void bfin_gpio_irq_free(unsigned gpio);
int bfin_gpio_direction_input(unsigned gpio);
int bfin_gpio_direction_output(unsigned gpio, int value);
int bfin_gpio_get_value(unsigned gpio);
void bfin_gpio_set_value(unsigned gpio, int value);
#ifdef CONFIG_GPIOLIB
#include <asm-generic/gpio.h> /* cansleep wrappers */
static inline int gpio_get_value(unsigned int gpio)
{
if (gpio < MAX_BLACKFIN_GPIOS)
return bfin_gpio_get_value(gpio);
else
return __gpio_get_value(gpio);
}
static inline void gpio_set_value(unsigned int gpio, int value)
{
if (gpio < MAX_BLACKFIN_GPIOS)
bfin_gpio_set_value(gpio, value);
else
__gpio_set_value(gpio, value);
}
static inline int gpio_cansleep(unsigned int gpio)
{
return __gpio_cansleep(gpio);
}
#else /* !CONFIG_GPIOLIB */
static inline int gpio_request(unsigned gpio, const char *label)
{
return bfin_gpio_request(gpio, label);
}
static inline void gpio_free(unsigned gpio)
{
return bfin_gpio_free(gpio);
}
static inline int gpio_direction_input(unsigned gpio)
{
return bfin_gpio_direction_input(gpio);
}
static inline int gpio_direction_output(unsigned gpio, int value)
{
return bfin_gpio_direction_output(gpio, value);
}
static inline int gpio_get_value(unsigned gpio)
{
return bfin_gpio_get_value(gpio);
}
static inline void gpio_set_value(unsigned gpio, int value)
{
return bfin_gpio_set_value(gpio, value);
}
#include <asm-generic/gpio.h> /* cansleep wrappers */
#endif /* !CONFIG_GPIOLIB */
#include <asm/irq.h>
static inline int gpio_to_irq(unsigned gpio)
{
if (likely(gpio < MAX_BLACKFIN_GPIOS))
return gpio + GPIO_IRQ_BASE;
return -EINVAL;
}
static inline int irq_to_gpio(unsigned irq)
{
return (irq - GPIO_IRQ_BASE);
}
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_BLACKFIN_GPIO_H__ */

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/*
* gptimers.h - Blackfin General Purpose Timer structs/defines/prototypes
*
* Copyright (c) 2005-2008 Analog Devices Inc.
* Copyright (C) 2005 John DeHority
* Copyright (C) 2006 Hella Aglaia GmbH (awe@aglaia-gmbh.de)
*
* Licensed under the GPL-2.
*/
#ifndef _BLACKFIN_TIMERS_H_
#define _BLACKFIN_TIMERS_H_
#include <linux/types.h>
#include <asm/blackfin.h>
/*
* BF51x/BF52x/BF537: 8 timers:
*/
#if defined(CONFIG_BF51x) || defined(CONFIG_BF52x) || defined(BF537_FAMILY)
# define MAX_BLACKFIN_GPTIMERS 8
# define TIMER0_GROUP_REG TIMER_ENABLE
#endif
/*
* BF54x: 11 timers (BF542: 8 timers):
*/
#if defined(CONFIG_BF54x)
# ifdef CONFIG_BF542
# define MAX_BLACKFIN_GPTIMERS 8
# else
# define MAX_BLACKFIN_GPTIMERS 11
# define TIMER8_GROUP_REG TIMER_ENABLE1
# define TIMER_GROUP2 1
# endif
# define TIMER0_GROUP_REG TIMER_ENABLE0
#endif
/*
* BF561: 12 timers:
*/
#if defined(CONFIG_BF561)
# define MAX_BLACKFIN_GPTIMERS 12
# define TIMER0_GROUP_REG TMRS8_ENABLE
# define TIMER8_GROUP_REG TMRS4_ENABLE
# define TIMER_GROUP2 1
#endif
/*
* All others: 3 timers:
*/
#define TIMER_GROUP1 0
#if !defined(MAX_BLACKFIN_GPTIMERS)
# define MAX_BLACKFIN_GPTIMERS 3
# define TIMER0_GROUP_REG TIMER_ENABLE
#endif
#define BLACKFIN_GPTIMER_IDMASK ((1UL << MAX_BLACKFIN_GPTIMERS) - 1)
#define BFIN_TIMER_OCTET(x) ((x) >> 3)
/* used in masks for timer_enable() and timer_disable() */
#define TIMER0bit 0x0001 /* 0001b */
#define TIMER1bit 0x0002 /* 0010b */
#define TIMER2bit 0x0004 /* 0100b */
#define TIMER3bit 0x0008
#define TIMER4bit 0x0010
#define TIMER5bit 0x0020
#define TIMER6bit 0x0040
#define TIMER7bit 0x0080
#define TIMER8bit 0x0100
#define TIMER9bit 0x0200
#define TIMER10bit 0x0400
#define TIMER11bit 0x0800
#define TIMER0_id 0
#define TIMER1_id 1
#define TIMER2_id 2
#define TIMER3_id 3
#define TIMER4_id 4
#define TIMER5_id 5
#define TIMER6_id 6
#define TIMER7_id 7
#define TIMER8_id 8
#define TIMER9_id 9
#define TIMER10_id 10
#define TIMER11_id 11
/* associated timers for ppi framesync: */
#if defined(CONFIG_BF561)
# define FS0_1_TIMER_ID TIMER8_id
# define FS0_2_TIMER_ID TIMER9_id
# define FS1_1_TIMER_ID TIMER10_id
# define FS1_2_TIMER_ID TIMER11_id
# define FS0_1_TIMER_BIT TIMER8bit
# define FS0_2_TIMER_BIT TIMER9bit
# define FS1_1_TIMER_BIT TIMER10bit
# define FS1_2_TIMER_BIT TIMER11bit
# undef FS1_TIMER_ID
# undef FS2_TIMER_ID
# undef FS1_TIMER_BIT
# undef FS2_TIMER_BIT
#else
# define FS1_TIMER_ID TIMER0_id
# define FS2_TIMER_ID TIMER1_id
# define FS1_TIMER_BIT TIMER0bit
# define FS2_TIMER_BIT TIMER1bit
#endif
/*
* Timer Configuration Register Bits
*/
#define TIMER_ERR 0xC000
#define TIMER_ERR_OVFL 0x4000
#define TIMER_ERR_PROG_PER 0x8000
#define TIMER_ERR_PROG_PW 0xC000
#define TIMER_EMU_RUN 0x0200
#define TIMER_TOGGLE_HI 0x0100
#define TIMER_CLK_SEL 0x0080
#define TIMER_OUT_DIS 0x0040
#define TIMER_TIN_SEL 0x0020
#define TIMER_IRQ_ENA 0x0010
#define TIMER_PERIOD_CNT 0x0008
#define TIMER_PULSE_HI 0x0004
#define TIMER_MODE 0x0003
#define TIMER_MODE_PWM 0x0001
#define TIMER_MODE_WDTH 0x0002
#define TIMER_MODE_EXT_CLK 0x0003
/*
* Timer Status Register Bits
*/
#define TIMER_STATUS_TIMIL0 0x0001
#define TIMER_STATUS_TIMIL1 0x0002
#define TIMER_STATUS_TIMIL2 0x0004
#define TIMER_STATUS_TIMIL3 0x00000008
#define TIMER_STATUS_TIMIL4 0x00010000
#define TIMER_STATUS_TIMIL5 0x00020000
#define TIMER_STATUS_TIMIL6 0x00040000
#define TIMER_STATUS_TIMIL7 0x00080000
#define TIMER_STATUS_TIMIL8 0x0001
#define TIMER_STATUS_TIMIL9 0x0002
#define TIMER_STATUS_TIMIL10 0x0004
#define TIMER_STATUS_TIMIL11 0x0008
#define TIMER_STATUS_TOVF0 0x0010 /* timer 0 overflow error */
#define TIMER_STATUS_TOVF1 0x0020
#define TIMER_STATUS_TOVF2 0x0040
#define TIMER_STATUS_TOVF3 0x00000080
#define TIMER_STATUS_TOVF4 0x00100000
#define TIMER_STATUS_TOVF5 0x00200000
#define TIMER_STATUS_TOVF6 0x00400000
#define TIMER_STATUS_TOVF7 0x00800000
#define TIMER_STATUS_TOVF8 0x0010
#define TIMER_STATUS_TOVF9 0x0020
#define TIMER_STATUS_TOVF10 0x0040
#define TIMER_STATUS_TOVF11 0x0080
/*
* Timer Slave Enable Status : write 1 to clear
*/
#define TIMER_STATUS_TRUN0 0x1000
#define TIMER_STATUS_TRUN1 0x2000
#define TIMER_STATUS_TRUN2 0x4000
#define TIMER_STATUS_TRUN3 0x00008000
#define TIMER_STATUS_TRUN4 0x10000000
#define TIMER_STATUS_TRUN5 0x20000000
#define TIMER_STATUS_TRUN6 0x40000000
#define TIMER_STATUS_TRUN7 0x80000000
#define TIMER_STATUS_TRUN 0xF000F000
#define TIMER_STATUS_TRUN8 0x1000
#define TIMER_STATUS_TRUN9 0x2000
#define TIMER_STATUS_TRUN10 0x4000
#define TIMER_STATUS_TRUN11 0x8000
/* The actual gptimer API */
void set_gptimer_pwidth(int timer_id, uint32_t width);
uint32_t get_gptimer_pwidth(int timer_id);
void set_gptimer_period(int timer_id, uint32_t period);
uint32_t get_gptimer_period(int timer_id);
uint32_t get_gptimer_count(int timer_id);
int get_gptimer_intr(int timer_id);
void clear_gptimer_intr(int timer_id);
int get_gptimer_over(int timer_id);
void clear_gptimer_over(int timer_id);
void set_gptimer_config(int timer_id, uint16_t config);
uint16_t get_gptimer_config(int timer_id);
int get_gptimer_run(int timer_id);
void set_gptimer_pulse_hi(int timer_id);
void clear_gptimer_pulse_hi(int timer_id);
void enable_gptimers(uint16_t mask);
void disable_gptimers(uint16_t mask);
void disable_gptimers_sync(uint16_t mask);
uint16_t get_enabled_gptimers(void);
uint32_t get_gptimer_status(int group);
void set_gptimer_status(int group, uint32_t value);
#endif

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kernel/arch/blackfin/include/asm/hardirq.h Normal file
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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __BFIN_HARDIRQ_H
#define __BFIN_HARDIRQ_H
#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
extern void ack_bad_irq(unsigned int irq);
#define ack_bad_irq ack_bad_irq
/* Define until common code gets sane defaults */
#define HARDIRQ_BITS 9
#include <asm-generic/hardirq.h>
#endif

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kernel/arch/blackfin/include/asm/hw_irq.h Normal file
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#include <asm-generic/hw_irq.h>

252
kernel/arch/blackfin/include/asm/io.h Normal file
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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BFIN_IO_H
#define _BFIN_IO_H
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
#include <linux/types.h>
#endif
#include <linux/compiler.h>
/*
* These are for ISA/PCI shared memory _only_ and should never be used
* on any other type of memory, including Zorro memory. They are meant to
* access the bus in the bus byte order which is little-endian!.
*
* readX/writeX() are used to access memory mapped devices. On some
* architectures the memory mapped IO stuff needs to be accessed
* differently. On the bfin architecture, we just read/write the
* memory location directly.
*/
#ifndef __ASSEMBLY__
static inline unsigned char readb(const volatile void __iomem *addr)
{
unsigned int val;
int tmp;
__asm__ __volatile__ ("cli %1;\n\t"
"NOP; NOP; SSYNC;\n\t"
"%0 = b [%2] (z);\n\t"
"sti %1;\n\t"
: "=d"(val), "=d"(tmp): "a"(addr)
);
return (unsigned char) val;
}
static inline unsigned short readw(const volatile void __iomem *addr)
{
unsigned int val;
int tmp;
__asm__ __volatile__ ("cli %1;\n\t"
"NOP; NOP; SSYNC;\n\t"
"%0 = w [%2] (z);\n\t"
"sti %1;\n\t"
: "=d"(val), "=d"(tmp): "a"(addr)
);
return (unsigned short) val;
}
static inline unsigned int readl(const volatile void __iomem *addr)
{
unsigned int val;
int tmp;
__asm__ __volatile__ ("cli %1;\n\t"
"NOP; NOP; SSYNC;\n\t"
"%0 = [%2];\n\t"
"sti %1;\n\t"
: "=d"(val), "=d"(tmp): "a"(addr)
);
return val;
}
#endif /* __ASSEMBLY__ */
#define writeb(b,addr) (void)((*(volatile unsigned char *) (addr)) = (b))
#define writew(b,addr) (void)((*(volatile unsigned short *) (addr)) = (b))
#define writel(b,addr) (void)((*(volatile unsigned int *) (addr)) = (b))
#define __raw_readb readb
#define __raw_readw readw
#define __raw_readl readl
#define __raw_writeb writeb
#define __raw_writew writew
#define __raw_writel writel
#define memset_io(a,b,c) memset((void *)(a),(b),(c))
#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))
/* Convert "I/O port addresses" to actual addresses. i.e. ugly casts. */
#define __io(port) ((void *)(unsigned long)(port))
#define inb(port) readb(__io(port))
#define inw(port) readw(__io(port))
#define inl(port) readl(__io(port))
#define outb(x,port) writeb(x,__io(port))
#define outw(x,port) writew(x,__io(port))
#define outl(x,port) writel(x,__io(port))
#define inb_p(port) inb(__io(port))
#define inw_p(port) inw(__io(port))
#define inl_p(port) inl(__io(port))
#define outb_p(x,port) outb(x,__io(port))
#define outw_p(x,port) outw(x,__io(port))
#define outl_p(x,port) outl(x,__io(port))
#define ioread8_rep(a,d,c) readsb(a,d,c)
#define ioread16_rep(a,d,c) readsw(a,d,c)
#define ioread32_rep(a,d,c) readsl(a,d,c)
#define iowrite8_rep(a,s,c) writesb(a,s,c)
#define iowrite16_rep(a,s,c) writesw(a,s,c)
#define iowrite32_rep(a,s,c) writesl(a,s,c)
#define ioread8(X) readb(X)
#define ioread16(X) readw(X)
#define ioread32(X) readl(X)
#define iowrite8(val,X) writeb(val,X)
#define iowrite16(val,X) writew(val,X)
#define iowrite32(val,X) writel(val,X)
#define mmiowb() wmb()
#define IO_SPACE_LIMIT 0xffffffff
/* Values for nocacheflag and cmode */
#define IOMAP_NOCACHE_SER 1
#ifndef __ASSEMBLY__
extern void outsb(unsigned long port, const void *addr, unsigned long count);
extern void outsw(unsigned long port, const void *addr, unsigned long count);
extern void outsw_8(unsigned long port, const void *addr, unsigned long count);
extern void outsl(unsigned long port, const void *addr, unsigned long count);
extern void insb(unsigned long port, void *addr, unsigned long count);
extern void insw(unsigned long port, void *addr, unsigned long count);
extern void insw_8(unsigned long port, void *addr, unsigned long count);
extern void insl(unsigned long port, void *addr, unsigned long count);
extern void insl_16(unsigned long port, void *addr, unsigned long count);
extern void dma_outsb(unsigned long port, const void *addr, unsigned short count);
extern void dma_outsw(unsigned long port, const void *addr, unsigned short count);
extern void dma_outsl(unsigned long port, const void *addr, unsigned short count);
extern void dma_insb(unsigned long port, void *addr, unsigned short count);
extern void dma_insw(unsigned long port, void *addr, unsigned short count);
extern void dma_insl(unsigned long port, void *addr, unsigned short count);
static inline void readsl(const void __iomem *addr, void *buf, int len)
{
insl((unsigned long)addr, buf, len);
}
static inline void readsw(const void __iomem *addr, void *buf, int len)
{
insw((unsigned long)addr, buf, len);
}
static inline void readsb(const void __iomem *addr, void *buf, int len)
{
insb((unsigned long)addr, buf, len);
}
static inline void writesl(const void __iomem *addr, const void *buf, int len)
{
outsl((unsigned long)addr, buf, len);
}
static inline void writesw(const void __iomem *addr, const void *buf, int len)
{
outsw((unsigned long)addr, buf, len);
}
static inline void writesb(const void __iomem *addr, const void *buf, int len)
{
outsb((unsigned long)addr, buf, len);
}
/*
* Map some physical address range into the kernel address space.
*/
static inline void __iomem *__ioremap(unsigned long physaddr, unsigned long size,
int cacheflag)
{
return (void __iomem *)physaddr;
}
/*
* Unmap a ioremap()ed region again
*/
static inline void iounmap(void *addr)
{
}
/*
* __iounmap unmaps nearly everything, so be careful
* it doesn't free currently pointer/page tables anymore but it
* wans't used anyway and might be added later.
*/
static inline void __iounmap(void *addr, unsigned long size)
{
}
/*
* Set new cache mode for some kernel address space.
* The caller must push data for that range itself, if such data may already
* be in the cache.
*/
static inline void kernel_set_cachemode(void *addr, unsigned long size,
int cmode)
{
}
static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size)
{
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
}
static inline void __iomem *ioremap_nocache(unsigned long physaddr,
unsigned long size)
{
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
}
extern void blkfin_inv_cache_all(void);
#endif
#define ioport_map(port, nr) ((void __iomem*)(port))
#define ioport_unmap(addr)
/* Pages to physical address... */
#define page_to_bus(page) ((page - mem_map) << PAGE_SHIFT)
#define phys_to_virt(vaddr) ((void *) (vaddr))
#define virt_to_phys(vaddr) ((unsigned long) (vaddr))
#define virt_to_bus virt_to_phys
#define bus_to_virt phys_to_virt
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
* access
*/
#define xlate_dev_mem_ptr(p) __va(p)
/*
* Convert a virtual cached pointer to an uncached pointer
*/
#define xlate_dev_kmem_ptr(p) p
#endif /* __KERNEL__ */
#endif /* _BFIN_IO_H */

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kernel/arch/blackfin/include/asm/ioctl.h Normal file
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#include <asm-generic/ioctl.h>

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kernel/arch/blackfin/include/asm/ioctls.h Normal file
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#ifndef __ARCH_BFIN_IOCTLS_H__
#define __ARCH_BFIN_IOCTLS_H__
#define FIOQSIZE 0x545E
#include <asm-generic/ioctls.h>
#endif

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kernel/arch/blackfin/include/asm/ipcbuf.h Normal file
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#include <asm-generic/ipcbuf.h>

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kernel/arch/blackfin/include/asm/ipipe.h Normal file
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/* -*- linux-c -*-
* include/asm-blackfin/ipipe.h
*
* Copyright (C) 2002-2007 Philippe Gerum.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139,
* USA; either version 2 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __ASM_BLACKFIN_IPIPE_H
#define __ASM_BLACKFIN_IPIPE_H
#ifdef CONFIG_IPIPE
#include <linux/cpumask.h>
#include <linux/list.h>
#include <linux/threads.h>
#include <linux/irq.h>
#include <linux/ipipe_percpu.h>
#include <asm/ptrace.h>
#include <asm/irq.h>
#include <asm/bitops.h>
#include <asm/atomic.h>
#include <asm/traps.h>
#define IPIPE_ARCH_STRING "1.11-00"
#define IPIPE_MAJOR_NUMBER 1
#define IPIPE_MINOR_NUMBER 11
#define IPIPE_PATCH_NUMBER 0
#ifdef CONFIG_SMP
#error "I-pipe/blackfin: SMP not implemented"
#else /* !CONFIG_SMP */
#define ipipe_processor_id() 0
#endif /* CONFIG_SMP */
#define prepare_arch_switch(next) \
do { \
ipipe_schedule_notify(current, next); \
local_irq_disable_hw(); \
} while (0)
#define task_hijacked(p) \
({ \
int __x__ = __ipipe_root_domain_p; \
__clear_bit(IPIPE_SYNC_FLAG, &ipipe_root_cpudom_var(status)); \
if (__x__) \
local_irq_enable_hw(); \
!__x__; \
})
struct ipipe_domain;
struct ipipe_sysinfo {
int ncpus; /* Number of CPUs on board */
u64 cpufreq; /* CPU frequency (in Hz) */
/* Arch-dependent block */
struct {
unsigned tmirq; /* Timer tick IRQ */
u64 tmfreq; /* Timer frequency */
} archdep;
};
#define ipipe_read_tsc(t) \
({ \
unsigned long __cy2; \
__asm__ __volatile__ ("1: %0 = CYCLES2\n" \
"%1 = CYCLES\n" \
"%2 = CYCLES2\n" \
"CC = %2 == %0\n" \
"if ! CC jump 1b\n" \
: "=d,a" (((unsigned long *)&t)[1]), \
"=d,a" (((unsigned long *)&t)[0]), \
"=d,a" (__cy2) \
: /*no input*/ : "CC"); \
t; \
})
#define ipipe_cpu_freq() __ipipe_core_clock
#define ipipe_tsc2ns(_t) (((unsigned long)(_t)) * __ipipe_freq_scale)
#define ipipe_tsc2us(_t) (ipipe_tsc2ns(_t) / 1000 + 1)
/* Private interface -- Internal use only */
#define __ipipe_check_platform() do { } while (0)
#define __ipipe_init_platform() do { } while (0)
extern atomic_t __ipipe_irq_lvdepth[IVG15 + 1];
extern unsigned long __ipipe_irq_lvmask;
extern struct ipipe_domain ipipe_root;
/* enable/disable_irqdesc _must_ be used in pairs. */
void __ipipe_enable_irqdesc(struct ipipe_domain *ipd,
unsigned irq);
void __ipipe_disable_irqdesc(struct ipipe_domain *ipd,
unsigned irq);
#define __ipipe_enable_irq(irq) (irq_desc[irq].chip->unmask(irq))
#define __ipipe_disable_irq(irq) (irq_desc[irq].chip->mask(irq))
static inline int __ipipe_check_tickdev(const char *devname)
{
return 1;
}
static inline void __ipipe_lock_root(void)
{
set_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status));
}
static inline void __ipipe_unlock_root(void)
{
clear_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status));
}
void __ipipe_enable_pipeline(void);
#define __ipipe_hook_critical_ipi(ipd) do { } while (0)
#define __ipipe_sync_pipeline ___ipipe_sync_pipeline
void ___ipipe_sync_pipeline(unsigned long syncmask);
void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs);
int __ipipe_get_irq_priority(unsigned irq);
void __ipipe_serial_debug(const char *fmt, ...);
asmlinkage void __ipipe_call_irqtail(unsigned long addr);
DECLARE_PER_CPU(struct pt_regs, __ipipe_tick_regs);
extern unsigned long __ipipe_core_clock;
extern unsigned long __ipipe_freq_scale;
extern unsigned long __ipipe_irq_tail_hook;
static inline unsigned long __ipipe_ffnz(unsigned long ul)
{
return ffs(ul) - 1;
}
#define __ipipe_run_irqtail() /* Must be a macro */ \
do { \
unsigned long __pending; \
CSYNC(); \
__pending = bfin_read_IPEND(); \
if (__pending & 0x8000) { \
__pending &= ~0x8010; \
if (__pending && (__pending & (__pending - 1)) == 0) \
__ipipe_call_irqtail(__ipipe_irq_tail_hook); \
} \
} while (0)
#define __ipipe_run_isr(ipd, irq) \
do { \
if (!__ipipe_pipeline_head_p(ipd)) \
local_irq_enable_hw(); \
if (ipd == ipipe_root_domain) { \
if (unlikely(ipipe_virtual_irq_p(irq))) { \
irq_enter(); \
ipd->irqs[irq].handler(irq, ipd->irqs[irq].cookie); \
irq_exit(); \
} else \
ipd->irqs[irq].handler(irq, &__raw_get_cpu_var(__ipipe_tick_regs)); \
} else { \
__clear_bit(IPIPE_SYNC_FLAG, &ipipe_cpudom_var(ipd, status)); \
ipd->irqs[irq].handler(irq, ipd->irqs[irq].cookie); \
/* Attempt to exit the outer interrupt level before \
* starting the deferred IRQ processing. */ \
__ipipe_run_irqtail(); \
__set_bit(IPIPE_SYNC_FLAG, &ipipe_cpudom_var(ipd, status)); \
} \
local_irq_disable_hw(); \
} while (0)
#define __ipipe_syscall_watched_p(p, sc) \
(((p)->flags & PF_EVNOTIFY) || (unsigned long)sc >= NR_syscalls)
void ipipe_init_irq_threads(void);
int ipipe_start_irq_thread(unsigned irq, struct irq_desc *desc);
#ifdef CONFIG_TICKSOURCE_CORETMR
#define IRQ_SYSTMR IRQ_CORETMR
#define IRQ_PRIOTMR IRQ_CORETMR
#else
#define IRQ_SYSTMR IRQ_TIMER0
#define IRQ_PRIOTMR CONFIG_IRQ_TIMER0
#endif
#ifdef CONFIG_BF561
#define bfin_write_TIMER_DISABLE(val) bfin_write_TMRS8_DISABLE(val)
#define bfin_write_TIMER_ENABLE(val) bfin_write_TMRS8_ENABLE(val)
#define bfin_write_TIMER_STATUS(val) bfin_write_TMRS8_STATUS(val)
#define bfin_read_TIMER_STATUS() bfin_read_TMRS8_STATUS()
#elif defined(CONFIG_BF54x)
#define bfin_write_TIMER_DISABLE(val) bfin_write_TIMER_DISABLE0(val)
#define bfin_write_TIMER_ENABLE(val) bfin_write_TIMER_ENABLE0(val)
#define bfin_write_TIMER_STATUS(val) bfin_write_TIMER_STATUS0(val)
#define bfin_read_TIMER_STATUS(val) bfin_read_TIMER_STATUS0(val)
#endif
#define __ipipe_root_tick_p(regs) ((regs->ipend & 0x10) != 0)
#else /* !CONFIG_IPIPE */
#define task_hijacked(p) 0
#define ipipe_trap_notify(t, r) 0
#define ipipe_init_irq_threads() do { } while (0)
#define ipipe_start_irq_thread(irq, desc) 0
#ifndef CONFIG_TICKSOURCE_GPTMR0
#define IRQ_SYSTMR IRQ_CORETMR
#define IRQ_PRIOTMR IRQ_CORETMR
#else
#define IRQ_SYSTMR IRQ_TIMER0
#define IRQ_PRIOTMR CONFIG_IRQ_TIMER0
#endif
#define __ipipe_root_tick_p(regs) 1
#endif /* !CONFIG_IPIPE */
#define ipipe_update_tick_evtdev(evtdev) do { } while (0)
#endif /* !__ASM_BLACKFIN_IPIPE_H */

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/* -*- linux-c -*-
* include/asm-blackfin/ipipe_base.h
*
* Copyright (C) 2007 Philippe Gerum.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139,
* USA; either version 2 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __ASM_BLACKFIN_IPIPE_BASE_H
#define __ASM_BLACKFIN_IPIPE_BASE_H
#ifdef CONFIG_IPIPE
#define IPIPE_NR_XIRQS NR_IRQS
#define IPIPE_IRQ_ISHIFT 5 /* 2^5 for 32bits arch. */
/* Blackfin-specific, per-cpu pipeline status */
#define IPIPE_SYNCDEFER_FLAG 15
#define IPIPE_SYNCDEFER_MASK (1L << IPIPE_SYNCDEFER_MASK)
/* Blackfin traps -- i.e. exception vector numbers */
#define IPIPE_NR_FAULTS 52 /* We leave a gap after VEC_ILL_RES. */
/* Pseudo-vectors used for kernel events */
#define IPIPE_FIRST_EVENT IPIPE_NR_FAULTS
#define IPIPE_EVENT_SYSCALL (IPIPE_FIRST_EVENT)
#define IPIPE_EVENT_SCHEDULE (IPIPE_FIRST_EVENT + 1)
#define IPIPE_EVENT_SIGWAKE (IPIPE_FIRST_EVENT + 2)
#define IPIPE_EVENT_SETSCHED (IPIPE_FIRST_EVENT + 3)
#define IPIPE_EVENT_INIT (IPIPE_FIRST_EVENT + 4)
#define IPIPE_EVENT_EXIT (IPIPE_FIRST_EVENT + 5)
#define IPIPE_EVENT_CLEANUP (IPIPE_FIRST_EVENT + 6)
#define IPIPE_LAST_EVENT IPIPE_EVENT_CLEANUP
#define IPIPE_NR_EVENTS (IPIPE_LAST_EVENT + 1)
#define IPIPE_TIMER_IRQ IRQ_CORETMR
#ifndef __ASSEMBLY__
extern unsigned long __ipipe_root_status; /* Alias to ipipe_root_cpudom_var(status) */
#define __ipipe_stall_root() \
do { \
volatile unsigned long *p = &__ipipe_root_status; \
set_bit(0, p); \
} while (0)
#define __ipipe_test_and_stall_root() \
({ \
volatile unsigned long *p = &__ipipe_root_status; \
test_and_set_bit(0, p); \
})
#define __ipipe_test_root() \
({ \
const unsigned long *p = &__ipipe_root_status; \
test_bit(0, p); \
})
#endif /* !__ASSEMBLY__ */
#endif /* CONFIG_IPIPE */
#endif /* !__ASM_BLACKFIN_IPIPE_BASE_H */

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kernel/arch/blackfin/include/asm/irq.h Normal file
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/*
* Copyright 2004-2009 Analog Devices Inc.
* 2003 HuTao
* 2002 Arcturus Networks Inc. (www.arcturusnetworks.com
* Ted Ma <mated@sympatico.ca>
*
* Licensed under the GPL-2
*/
#ifndef _BFIN_IRQ_H_
#define _BFIN_IRQ_H_
#include <linux/irqflags.h>
#include <mach/anomaly.h>
/* SYS_IRQS and NR_IRQS are defined in <mach-bf5xx/irq.h> */
#include <mach/irq.h>
#if ANOMALY_05000244 && defined(CONFIG_BFIN_ICACHE)
# define NOP_PAD_ANOMALY_05000244 "nop; nop;"
#else
# define NOP_PAD_ANOMALY_05000244
#endif
#define idle_with_irq_disabled() \
__asm__ __volatile__( \
NOP_PAD_ANOMALY_05000244 \
".align 8;" \
"sti %0;" \
"idle;" \
: \
: "d" (bfin_irq_flags) \
)
#include <asm-generic/irq.h>
#endif /* _BFIN_IRQ_H_ */

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/*
* Copyright 2007-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _IRQ_HANDLER_H
#define _IRQ_HANDLER_H
#include <linux/types.h>
#include <linux/linkage.h>
/* BASE LEVEL interrupt handler routines */
asmlinkage void evt_exception(void);
asmlinkage void trap(void);
asmlinkage void evt_ivhw(void);
asmlinkage void evt_timer(void);
asmlinkage void evt_nmi(void);
asmlinkage void evt_evt7(void);
asmlinkage void evt_evt8(void);
asmlinkage void evt_evt9(void);
asmlinkage void evt_evt10(void);
asmlinkage void evt_evt11(void);
asmlinkage void evt_evt12(void);
asmlinkage void evt_evt13(void);
asmlinkage void evt_evt14(void);
asmlinkage void evt_soft_int1(void);
asmlinkage void evt_system_call(void);
asmlinkage void init_exception_buff(void);
asmlinkage void trap_c(struct pt_regs *fp);
asmlinkage void ex_replaceable(void);
asmlinkage void early_trap(void);
extern void *ex_table[];
extern void return_from_exception(void);
extern int bfin_request_exception(unsigned int exception, void (*handler)(void));
extern int bfin_free_exception(unsigned int exception, void (*handler)(void));
#endif

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kernel/arch/blackfin/include/asm/irq_regs.h Normal file
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#include <asm-generic/irq_regs.h>

215
kernel/arch/blackfin/include/asm/irqflags.h Normal file
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/*
* interface to Blackfin CEC
*
* Copyright 2009 Analog Devices Inc.
* Licensed under the GPL-2 or later.
*/
#ifndef __ASM_BFIN_IRQFLAGS_H__
#define __ASM_BFIN_IRQFLAGS_H__
#ifdef CONFIG_SMP
# include <asm/pda.h>
# include <asm/processor.h>
/* Forward decl needed due to cdef inter dependencies */
static inline uint32_t __pure bfin_dspid(void);
# define blackfin_core_id() (bfin_dspid() & 0xff)
# define bfin_irq_flags cpu_pda[blackfin_core_id()].imask
#else
extern unsigned long bfin_irq_flags;
#endif
static inline void bfin_sti(unsigned long flags)
{
asm volatile("sti %0;" : : "d" (flags));
}
static inline unsigned long bfin_cli(void)
{
unsigned long flags;
asm volatile("cli %0;" : "=d" (flags));
return flags;
}
#ifdef CONFIG_IPIPE
#include <linux/ipipe_base.h>
#include <linux/ipipe_trace.h>
#ifdef CONFIG_DEBUG_HWERR
# define bfin_no_irqs 0x3f
#else
# define bfin_no_irqs 0x1f
#endif
#define raw_local_irq_disable() \
do { \
ipipe_check_context(ipipe_root_domain); \
__ipipe_stall_root(); \
barrier(); \
} while (0)
static inline void raw_local_irq_enable(void)
{
barrier();
ipipe_check_context(ipipe_root_domain);
__ipipe_unstall_root();
}
#define raw_local_save_flags_ptr(x) \
do { \
*(x) = __ipipe_test_root() ? bfin_no_irqs : bfin_irq_flags; \
} while (0)
#define raw_local_save_flags(x) raw_local_save_flags_ptr(&(x))
#define raw_irqs_disabled_flags(x) ((x) == bfin_no_irqs)
#define raw_local_irq_save_ptr(x) \
do { \
*(x) = __ipipe_test_and_stall_root() ? bfin_no_irqs : bfin_irq_flags; \
barrier(); \
} while (0)
#define raw_local_irq_save(x) \
do { \
ipipe_check_context(ipipe_root_domain); \
raw_local_irq_save_ptr(&(x)); \
} while (0)
static inline unsigned long raw_mangle_irq_bits(int virt, unsigned long real)
{
/*
* Merge virtual and real interrupt mask bits into a single
* 32bit word.
*/
return (real & ~(1 << 31)) | ((virt != 0) << 31);
}
static inline int raw_demangle_irq_bits(unsigned long *x)
{
int virt = (*x & (1 << 31)) != 0;
*x &= ~(1L << 31);
return virt;
}
static inline void local_irq_disable_hw_notrace(void)
{
bfin_cli();
}
static inline void local_irq_enable_hw_notrace(void)
{
bfin_sti(bfin_irq_flags);
}
#define local_save_flags_hw(flags) \
do { \
(flags) = bfin_read_IMASK(); \
} while (0)
#define irqs_disabled_flags_hw(flags) (((flags) & ~0x3f) == 0)
#define irqs_disabled_hw() \
({ \
unsigned long flags; \
local_save_flags_hw(flags); \
irqs_disabled_flags_hw(flags); \
})
static inline void local_irq_save_ptr_hw(unsigned long *flags)
{
*flags = bfin_cli();
#ifdef CONFIG_DEBUG_HWERR
bfin_sti(0x3f);
#endif
}
#define local_irq_save_hw_notrace(flags) \
do { \
local_irq_save_ptr_hw(&(flags)); \
} while (0)
static inline void local_irq_restore_hw_notrace(unsigned long flags)
{
if (!irqs_disabled_flags_hw(flags))
local_irq_enable_hw_notrace();
}
#ifdef CONFIG_IPIPE_TRACE_IRQSOFF
# define local_irq_disable_hw() \
do { \
if (!irqs_disabled_hw()) { \
local_irq_disable_hw_notrace(); \
ipipe_trace_begin(0x80000000); \
} \
} while (0)
# define local_irq_enable_hw() \
do { \
if (irqs_disabled_hw()) { \
ipipe_trace_end(0x80000000); \
local_irq_enable_hw_notrace(); \
} \
} while (0)
# define local_irq_save_hw(flags) \
do { \
local_save_flags_hw(flags); \
if (!irqs_disabled_flags_hw(flags)) { \
local_irq_disable_hw_notrace(); \
ipipe_trace_begin(0x80000001); \
} \
} while (0)
# define local_irq_restore_hw(flags) \
do { \
if (!irqs_disabled_flags_hw(flags)) { \
ipipe_trace_end(0x80000001); \
local_irq_enable_hw_notrace(); \
} \
} while (0)
#else /* !CONFIG_IPIPE_TRACE_IRQSOFF */
# define local_irq_disable_hw() local_irq_disable_hw_notrace()
# define local_irq_enable_hw() local_irq_enable_hw_notrace()
# define local_irq_save_hw(flags) local_irq_save_hw_notrace(flags)
# define local_irq_restore_hw(flags) local_irq_restore_hw_notrace(flags)
#endif /* !CONFIG_IPIPE_TRACE_IRQSOFF */
#else /* CONFIG_IPIPE */
static inline void raw_local_irq_disable(void)
{
bfin_cli();
}
static inline void raw_local_irq_enable(void)
{
bfin_sti(bfin_irq_flags);
}
#define raw_local_save_flags(flags) do { (flags) = bfin_read_IMASK(); } while (0)
#define raw_irqs_disabled_flags(flags) (((flags) & ~0x3f) == 0)
static inline unsigned long __raw_local_irq_save(void)
{
unsigned long flags = bfin_cli();
#ifdef CONFIG_DEBUG_HWERR
bfin_sti(0x3f);
#endif
return flags;
}
#define raw_local_irq_save(flags) do { (flags) = __raw_local_irq_save(); } while (0)
#define local_irq_save_hw(flags) raw_local_irq_save(flags)
#define local_irq_restore_hw(flags) raw_local_irq_restore(flags)
#define local_irq_enable_hw() raw_local_irq_enable()
#define local_irq_disable_hw() raw_local_irq_disable()
#define irqs_disabled_hw() irqs_disabled()
#endif /* !CONFIG_IPIPE */
static inline void raw_local_irq_restore(unsigned long flags)
{
if (!raw_irqs_disabled_flags(flags))
raw_local_irq_enable();
}
#endif

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#include <asm-generic/kdebug.h>

166
kernel/arch/blackfin/include/asm/kgdb.h Normal file
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/* Blackfin KGDB header
*
* Copyright 2005-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ASM_BLACKFIN_KGDB_H__
#define __ASM_BLACKFIN_KGDB_H__
#include <linux/ptrace.h>
/* gdb locks */
#define KGDB_MAX_NO_CPUS 8
/*
* BUFMAX defines the maximum number of characters in inbound/outbound buffers.
* At least NUMREGBYTES*2 are needed for register packets.
* Longer buffer is needed to list all threads.
*/
#define BUFMAX 2048
/*
* Note that this register image is different from
* the register image that Linux produces at interrupt time.
*
* Linux's register image is defined by struct pt_regs in ptrace.h.
*/
enum regnames {
/* Core Registers */
BFIN_R0 = 0,
BFIN_R1,
BFIN_R2,
BFIN_R3,
BFIN_R4,
BFIN_R5,
BFIN_R6,
BFIN_R7,
BFIN_P0,
BFIN_P1,
BFIN_P2,
BFIN_P3,
BFIN_P4,
BFIN_P5,
BFIN_SP,
BFIN_FP,
BFIN_I0,
BFIN_I1,
BFIN_I2,
BFIN_I3,
BFIN_M0,
BFIN_M1,
BFIN_M2,
BFIN_M3,
BFIN_B0,
BFIN_B1,
BFIN_B2,
BFIN_B3,
BFIN_L0,
BFIN_L1,
BFIN_L2,
BFIN_L3,
BFIN_A0_DOT_X,
BFIN_A0_DOT_W,
BFIN_A1_DOT_X,
BFIN_A1_DOT_W,
BFIN_ASTAT,
BFIN_RETS,
BFIN_LC0,
BFIN_LT0,
BFIN_LB0,
BFIN_LC1,
BFIN_LT1,
BFIN_LB1,
BFIN_CYCLES,
BFIN_CYCLES2,
BFIN_USP,
BFIN_SEQSTAT,
BFIN_SYSCFG,
BFIN_RETI,
BFIN_RETX,
BFIN_RETN,
BFIN_RETE,
/* Pseudo Registers */
BFIN_PC,
BFIN_CC,
BFIN_EXTRA1, /* Address of .text section. */
BFIN_EXTRA2, /* Address of .data section. */
BFIN_EXTRA3, /* Address of .bss section. */
BFIN_FDPIC_EXEC,
BFIN_FDPIC_INTERP,
/* MMRs */
BFIN_IPEND,
/* LAST ENTRY SHOULD NOT BE CHANGED. */
BFIN_NUM_REGS /* The number of all registers. */
};
/* Number of bytes of registers. */
#define NUMREGBYTES BFIN_NUM_REGS*4
static inline void arch_kgdb_breakpoint(void)
{
asm("EXCPT 2;");
}
#define BREAK_INSTR_SIZE 2
#define CACHE_FLUSH_IS_SAFE 1
#define HW_INST_WATCHPOINT_NUM 6
#define HW_WATCHPOINT_NUM 8
#define TYPE_INST_WATCHPOINT 0
#define TYPE_DATA_WATCHPOINT 1
/* Instruction watchpoint address control register bits mask */
#define WPPWR 0x1
#define WPIREN01 0x2
#define WPIRINV01 0x4
#define WPIAEN0 0x8
#define WPIAEN1 0x10
#define WPICNTEN0 0x20
#define WPICNTEN1 0x40
#define EMUSW0 0x80
#define EMUSW1 0x100
#define WPIREN23 0x200
#define WPIRINV23 0x400
#define WPIAEN2 0x800
#define WPIAEN3 0x1000
#define WPICNTEN2 0x2000
#define WPICNTEN3 0x4000
#define EMUSW2 0x8000
#define EMUSW3 0x10000
#define WPIREN45 0x20000
#define WPIRINV45 0x40000
#define WPIAEN4 0x80000
#define WPIAEN5 0x100000
#define WPICNTEN4 0x200000
#define WPICNTEN5 0x400000
#define EMUSW4 0x800000
#define EMUSW5 0x1000000
#define WPAND 0x2000000
/* Data watchpoint address control register bits mask */
#define WPDREN01 0x1
#define WPDRINV01 0x2
#define WPDAEN0 0x4
#define WPDAEN1 0x8
#define WPDCNTEN0 0x10
#define WPDCNTEN1 0x20
#define WPDSRC0 0xc0
#define WPDACC0_OFFSET 8
#define WPDSRC1 0xc00
#define WPDACC1_OFFSET 12
/* Watchpoint status register bits mask */
#define STATIA0 0x1
#define STATIA1 0x2
#define STATIA2 0x4
#define STATIA3 0x8
#define STATIA4 0x10
#define STATIA5 0x20
#define STATDA0 0x40
#define STATDA1 0x80
#endif

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kernel/arch/blackfin/include/asm/kmap_types.h Normal file
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#include <asm-generic/kmap_types.h>

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kernel/arch/blackfin/include/asm/l1layout.h Normal file
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/*
* Defines a layout of L1 scratchpad memory that userspace can rely on.
*
* Copyright 2006-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _L1LAYOUT_H_
#define _L1LAYOUT_H_
#include <asm/blackfin.h>
#ifndef CONFIG_SMP
#ifndef __ASSEMBLY__
/* Data that is "mapped" into the process VM at the start of the L1 scratch
memory, so that each process can access it at a fixed address. Used for
stack checking. */
struct l1_scratch_task_info
{
/* Points to the start of the stack. */
void *stack_start;
/* Not updated by the kernel; a user process can modify this to
keep track of the lowest address of the stack pointer during its
runtime. */
void *lowest_sp;
};
/* A pointer to the structure in memory. */
#define L1_SCRATCH_TASK_INFO ((struct l1_scratch_task_info *)\
get_l1_scratch_start())
#endif
#endif
#endif

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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ASM_LINKAGE_H
#define __ASM_LINKAGE_H
#define __ALIGN .align 4
#define __ALIGN_STR ".align 4"
#endif

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#include <asm-generic/local.h>

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kernel/arch/blackfin/include/asm/mem_init.h Normal file
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/*
* arch/blackfin/include/asm/mem_init.h - reprogram clocks / memory
*
* Copyright 2004-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#if defined(EBIU_SDGCTL)
#if defined(CONFIG_MEM_MT48LC16M16A2TG_75) || \
defined(CONFIG_MEM_MT48LC64M4A2FB_7E) || \
defined(CONFIG_MEM_MT48LC16M8A2TG_75) || \
defined(CONFIG_MEM_GENERIC_BOARD) || \
defined(CONFIG_MEM_MT48LC32M8A2_75) || \
defined(CONFIG_MEM_MT48LC8M32B2B5_7) || \
defined(CONFIG_MEM_MT48LC32M16A2TG_75) || \
defined(CONFIG_MEM_MT48LC32M8A2_75)
#if (CONFIG_SCLK_HZ > 119402985)
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_7
#define SDRAM_tRAS_num 7
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ > 104477612) && (CONFIG_SCLK_HZ <= 119402985)
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_6
#define SDRAM_tRAS_num 6
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ > 89552239) && (CONFIG_SCLK_HZ <= 104477612)
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_5
#define SDRAM_tRAS_num 5
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ > 74626866) && (CONFIG_SCLK_HZ <= 89552239)
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_4
#define SDRAM_tRAS_num 4
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ > 66666667) && (CONFIG_SCLK_HZ <= 74626866)
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_3
#define SDRAM_tRAS_num 3
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ > 59701493) && (CONFIG_SCLK_HZ <= 66666667)
#define SDRAM_tRP TRP_1
#define SDRAM_tRP_num 1
#define SDRAM_tRAS TRAS_4
#define SDRAM_tRAS_num 4
#define SDRAM_tRCD TRCD_1
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ > 44776119) && (CONFIG_SCLK_HZ <= 59701493)
#define SDRAM_tRP TRP_1
#define SDRAM_tRP_num 1
#define SDRAM_tRAS TRAS_3
#define SDRAM_tRAS_num 3
#define SDRAM_tRCD TRCD_1
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ > 29850746) && (CONFIG_SCLK_HZ <= 44776119)
#define SDRAM_tRP TRP_1
#define SDRAM_tRP_num 1
#define SDRAM_tRAS TRAS_2
#define SDRAM_tRAS_num 2
#define SDRAM_tRCD TRCD_1
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ <= 29850746)
#define SDRAM_tRP TRP_1
#define SDRAM_tRP_num 1
#define SDRAM_tRAS TRAS_1
#define SDRAM_tRAS_num 1
#define SDRAM_tRCD TRCD_1
#define SDRAM_tWR TWR_2
#endif
#endif
/*
* The BF526-EZ-Board changed SDRAM chips between revisions,
* so we use below timings to accommodate both.
*/
#if defined(CONFIG_MEM_MT48H32M16LFCJ_75)
#if (CONFIG_SCLK_HZ > 119402985)
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_8
#define SDRAM_tRAS_num 8
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ > 104477612) && (CONFIG_SCLK_HZ <= 119402985)
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_7
#define SDRAM_tRAS_num 7
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ > 89552239) && (CONFIG_SCLK_HZ <= 104477612)
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_6
#define SDRAM_tRAS_num 6
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ > 74626866) && (CONFIG_SCLK_HZ <= 89552239)
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_5
#define SDRAM_tRAS_num 5
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ > 66666667) && (CONFIG_SCLK_HZ <= 74626866)
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_4
#define SDRAM_tRAS_num 4
#define SDRAM_tRCD TRCD_2
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ > 59701493) && (CONFIG_SCLK_HZ <= 66666667)
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_4
#define SDRAM_tRAS_num 4
#define SDRAM_tRCD TRCD_1
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ > 44776119) && (CONFIG_SCLK_HZ <= 59701493)
#define SDRAM_tRP TRP_2
#define SDRAM_tRP_num 2
#define SDRAM_tRAS TRAS_3
#define SDRAM_tRAS_num 3
#define SDRAM_tRCD TRCD_1
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ > 29850746) && (CONFIG_SCLK_HZ <= 44776119)
#define SDRAM_tRP TRP_1
#define SDRAM_tRP_num 1
#define SDRAM_tRAS TRAS_3
#define SDRAM_tRAS_num 3
#define SDRAM_tRCD TRCD_1
#define SDRAM_tWR TWR_2
#endif
#if (CONFIG_SCLK_HZ <= 29850746)
#define SDRAM_tRP TRP_1
#define SDRAM_tRP_num 1
#define SDRAM_tRAS TRAS_2
#define SDRAM_tRAS_num 2
#define SDRAM_tRCD TRCD_1
#define SDRAM_tWR TWR_2
#endif
#endif
#if defined(CONFIG_MEM_MT48LC16M8A2TG_75) || \
defined(CONFIG_MEM_MT48LC8M32B2B5_7)
/*SDRAM INFORMATION: */
#define SDRAM_Tref 64 /* Refresh period in milliseconds */
#define SDRAM_NRA 4096 /* Number of row addresses in SDRAM */
#define SDRAM_CL CL_3
#endif
#if defined(CONFIG_MEM_MT48LC32M8A2_75) || \
defined(CONFIG_MEM_MT48LC64M4A2FB_7E) || \
defined(CONFIG_MEM_GENERIC_BOARD) || \
defined(CONFIG_MEM_MT48LC32M16A2TG_75) || \
defined(CONFIG_MEM_MT48LC16M16A2TG_75) || \
defined(CONFIG_MEM_MT48LC32M8A2_75)
/*SDRAM INFORMATION: */
#define SDRAM_Tref 64 /* Refresh period in milliseconds */
#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
#define SDRAM_CL CL_3
#endif
#if defined(CONFIG_MEM_MT48H32M16LFCJ_75)
/*SDRAM INFORMATION: */
#define SDRAM_Tref 64 /* Refresh period in milliseconds */
#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
#define SDRAM_CL CL_2
#endif
#ifdef CONFIG_BFIN_KERNEL_CLOCK_MEMINIT_CALC
/* Equation from section 17 (p17-46) of BF533 HRM */
#define mem_SDRRC (((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num)
/* Enable SCLK Out */
#define mem_SDGCTL (SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS)
#else
#define mem_SDRRC CONFIG_MEM_SDRRC
#define mem_SDGCTL CONFIG_MEM_SDGCTL
#endif
#endif
#if defined(EBIU_DDRCTL0)
#define MIN_DDR_SCLK(x) (x*(CONFIG_SCLK_HZ/1000/1000)/1000 + 1)
#define MAX_DDR_SCLK(x) (x*(CONFIG_SCLK_HZ/1000/1000)/1000)
#define DDR_CLK_HZ(x) (1000*1000*1000/x)
#if defined(CONFIG_MEM_MT46V32M16_6T)
#define DDR_SIZE DEVSZ_512
#define DDR_WIDTH DEVWD_16
#define DDR_MAX_tCK 13
#define DDR_tRC DDR_TRC(MIN_DDR_SCLK(60))
#define DDR_tRAS DDR_TRAS(MIN_DDR_SCLK(42))
#define DDR_tRP DDR_TRP(MIN_DDR_SCLK(15))
#define DDR_tRFC DDR_TRFC(MIN_DDR_SCLK(72))
#define DDR_tREFI DDR_TREFI(MAX_DDR_SCLK(7800))
#define DDR_tRCD DDR_TRCD(MIN_DDR_SCLK(15))
#define DDR_tWTR DDR_TWTR(1)
#define DDR_tMRD DDR_TMRD(MIN_DDR_SCLK(12))
#define DDR_tWR DDR_TWR(MIN_DDR_SCLK(15))
#endif
#if defined(CONFIG_MEM_MT46V32M16_5B)
#define DDR_SIZE DEVSZ_512
#define DDR_WIDTH DEVWD_16
#define DDR_MAX_tCK 13
#define DDR_tRC DDR_TRC(MIN_DDR_SCLK(55))
#define DDR_tRAS DDR_TRAS(MIN_DDR_SCLK(40))
#define DDR_tRP DDR_TRP(MIN_DDR_SCLK(15))
#define DDR_tRFC DDR_TRFC(MIN_DDR_SCLK(70))
#define DDR_tREFI DDR_TREFI(MAX_DDR_SCLK(7800))
#define DDR_tRCD DDR_TRCD(MIN_DDR_SCLK(15))
#define DDR_tWTR DDR_TWTR(2)
#define DDR_tMRD DDR_TMRD(MIN_DDR_SCLK(10))
#define DDR_tWR DDR_TWR(MIN_DDR_SCLK(15))
#endif
#if defined(CONFIG_MEM_GENERIC_BOARD)
#define DDR_SIZE DEVSZ_512
#define DDR_WIDTH DEVWD_16
#define DDR_MAX_tCK 13
#define DDR_tRCD DDR_TRCD(3)
#define DDR_tWTR DDR_TWTR(2)
#define DDR_tWR DDR_TWR(2)
#define DDR_tMRD DDR_TMRD(2)
#define DDR_tRP DDR_TRP(3)
#define DDR_tRAS DDR_TRAS(7)
#define DDR_tRC DDR_TRC(10)
#define DDR_tRFC DDR_TRFC(12)
#define DDR_tREFI DDR_TREFI(1288)
#endif
#if (CONFIG_SCLK_HZ < DDR_CLK_HZ(DDR_MAX_tCK))
# error "CONFIG_SCLK_HZ is too small (<DDR_CLK_HZ(DDR_MAX_tCK) Hz)."
#elif(CONFIG_SCLK_HZ <= 133333333)
# define DDR_CL CL_2
#else
# error "CONFIG_SCLK_HZ is too large (>133333333 Hz)."
#endif
#ifdef CONFIG_BFIN_KERNEL_CLOCK_MEMINIT_CALC
#define mem_DDRCTL0 (DDR_tRP | DDR_tRAS | DDR_tRC | DDR_tRFC | DDR_tREFI)
#define mem_DDRCTL1 (DDR_DATWIDTH | EXTBANK_1 | DDR_SIZE | DDR_WIDTH | DDR_tWTR \
| DDR_tMRD | DDR_tWR | DDR_tRCD)
#define mem_DDRCTL2 DDR_CL
#else
#define mem_DDRCTL0 CONFIG_MEM_DDRCTL0
#define mem_DDRCTL1 CONFIG_MEM_DDRCTL1
#define mem_DDRCTL2 CONFIG_MEM_DDRCTL2
#endif
#endif
#if defined CONFIG_CLKIN_HALF
#define CLKIN_HALF 1
#else
#define CLKIN_HALF 0
#endif
#if defined CONFIG_PLL_BYPASS
#define PLL_BYPASS 1
#else
#define PLL_BYPASS 0
#endif
/***************************************Currently Not Being Used *********************************/
#if defined(CONFIG_FLASH_SPEED_BWAT) && \
defined(CONFIG_FLASH_SPEED_BRAT) && \
defined(CONFIG_FLASH_SPEED_BHT) && \
defined(CONFIG_FLASH_SPEED_BST) && \
defined(CONFIG_FLASH_SPEED_BTT)
#define flash_EBIU_AMBCTL_WAT ((CONFIG_FLASH_SPEED_BWAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
#define flash_EBIU_AMBCTL_RAT ((CONFIG_FLASH_SPEED_BRAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
#define flash_EBIU_AMBCTL_HT ((CONFIG_FLASH_SPEED_BHT * 4) / (4000000000 / CONFIG_SCLK_HZ))
#define flash_EBIU_AMBCTL_ST ((CONFIG_FLASH_SPEED_BST * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
#define flash_EBIU_AMBCTL_TT ((CONFIG_FLASH_SPEED_BTT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
#if (flash_EBIU_AMBCTL_TT > 3)
#define flash_EBIU_AMBCTL0_TT B0TT_4
#endif
#if (flash_EBIU_AMBCTL_TT == 3)
#define flash_EBIU_AMBCTL0_TT B0TT_3
#endif
#if (flash_EBIU_AMBCTL_TT == 2)
#define flash_EBIU_AMBCTL0_TT B0TT_2
#endif
#if (flash_EBIU_AMBCTL_TT < 2)
#define flash_EBIU_AMBCTL0_TT B0TT_1
#endif
#if (flash_EBIU_AMBCTL_ST > 3)
#define flash_EBIU_AMBCTL0_ST B0ST_4
#endif
#if (flash_EBIU_AMBCTL_ST == 3)
#define flash_EBIU_AMBCTL0_ST B0ST_3
#endif
#if (flash_EBIU_AMBCTL_ST == 2)
#define flash_EBIU_AMBCTL0_ST B0ST_2
#endif
#if (flash_EBIU_AMBCTL_ST < 2)
#define flash_EBIU_AMBCTL0_ST B0ST_1
#endif
#if (flash_EBIU_AMBCTL_HT > 2)
#define flash_EBIU_AMBCTL0_HT B0HT_3
#endif
#if (flash_EBIU_AMBCTL_HT == 2)
#define flash_EBIU_AMBCTL0_HT B0HT_2
#endif
#if (flash_EBIU_AMBCTL_HT == 1)
#define flash_EBIU_AMBCTL0_HT B0HT_1
#endif
#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT == 0)
#define flash_EBIU_AMBCTL0_HT B0HT_0
#endif
#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT != 0)
#define flash_EBIU_AMBCTL0_HT B0HT_1
#endif
#if (flash_EBIU_AMBCTL_WAT > 14)
#define flash_EBIU_AMBCTL0_WAT B0WAT_15
#endif
#if (flash_EBIU_AMBCTL_WAT == 14)
#define flash_EBIU_AMBCTL0_WAT B0WAT_14
#endif
#if (flash_EBIU_AMBCTL_WAT == 13)
#define flash_EBIU_AMBCTL0_WAT B0WAT_13
#endif
#if (flash_EBIU_AMBCTL_WAT == 12)
#define flash_EBIU_AMBCTL0_WAT B0WAT_12
#endif
#if (flash_EBIU_AMBCTL_WAT == 11)
#define flash_EBIU_AMBCTL0_WAT B0WAT_11
#endif
#if (flash_EBIU_AMBCTL_WAT == 10)
#define flash_EBIU_AMBCTL0_WAT B0WAT_10
#endif
#if (flash_EBIU_AMBCTL_WAT == 9)
#define flash_EBIU_AMBCTL0_WAT B0WAT_9
#endif
#if (flash_EBIU_AMBCTL_WAT == 8)
#define flash_EBIU_AMBCTL0_WAT B0WAT_8
#endif
#if (flash_EBIU_AMBCTL_WAT == 7)
#define flash_EBIU_AMBCTL0_WAT B0WAT_7
#endif
#if (flash_EBIU_AMBCTL_WAT == 6)
#define flash_EBIU_AMBCTL0_WAT B0WAT_6
#endif
#if (flash_EBIU_AMBCTL_WAT == 5)
#define flash_EBIU_AMBCTL0_WAT B0WAT_5
#endif
#if (flash_EBIU_AMBCTL_WAT == 4)
#define flash_EBIU_AMBCTL0_WAT B0WAT_4
#endif
#if (flash_EBIU_AMBCTL_WAT == 3)
#define flash_EBIU_AMBCTL0_WAT B0WAT_3
#endif
#if (flash_EBIU_AMBCTL_WAT == 2)
#define flash_EBIU_AMBCTL0_WAT B0WAT_2
#endif
#if (flash_EBIU_AMBCTL_WAT == 1)
#define flash_EBIU_AMBCTL0_WAT B0WAT_1
#endif
#if (flash_EBIU_AMBCTL_RAT > 14)
#define flash_EBIU_AMBCTL0_RAT B0RAT_15
#endif
#if (flash_EBIU_AMBCTL_RAT == 14)
#define flash_EBIU_AMBCTL0_RAT B0RAT_14
#endif
#if (flash_EBIU_AMBCTL_RAT == 13)
#define flash_EBIU_AMBCTL0_RAT B0RAT_13
#endif
#if (flash_EBIU_AMBCTL_RAT == 12)
#define flash_EBIU_AMBCTL0_RAT B0RAT_12
#endif
#if (flash_EBIU_AMBCTL_RAT == 11)
#define flash_EBIU_AMBCTL0_RAT B0RAT_11
#endif
#if (flash_EBIU_AMBCTL_RAT == 10)
#define flash_EBIU_AMBCTL0_RAT B0RAT_10
#endif
#if (flash_EBIU_AMBCTL_RAT == 9)
#define flash_EBIU_AMBCTL0_RAT B0RAT_9
#endif
#if (flash_EBIU_AMBCTL_RAT == 8)
#define flash_EBIU_AMBCTL0_RAT B0RAT_8
#endif
#if (flash_EBIU_AMBCTL_RAT == 7)
#define flash_EBIU_AMBCTL0_RAT B0RAT_7
#endif
#if (flash_EBIU_AMBCTL_RAT == 6)
#define flash_EBIU_AMBCTL0_RAT B0RAT_6
#endif
#if (flash_EBIU_AMBCTL_RAT == 5)
#define flash_EBIU_AMBCTL0_RAT B0RAT_5
#endif
#if (flash_EBIU_AMBCTL_RAT == 4)
#define flash_EBIU_AMBCTL0_RAT B0RAT_4
#endif
#if (flash_EBIU_AMBCTL_RAT == 3)
#define flash_EBIU_AMBCTL0_RAT B0RAT_3
#endif
#if (flash_EBIU_AMBCTL_RAT == 2)
#define flash_EBIU_AMBCTL0_RAT B0RAT_2
#endif
#if (flash_EBIU_AMBCTL_RAT == 1)
#define flash_EBIU_AMBCTL0_RAT B0RAT_1
#endif
#define flash_EBIU_AMBCTL0 \
(flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | \
flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN)
#endif

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kernel/arch/blackfin/include/asm/mem_map.h Normal file
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/*
* Common Blackfin memory map
*
* Copyright 2004-2009 Analog Devices Inc.
* Licensed under the GPL-2 or later.
*/
#ifndef __BFIN_MEM_MAP_H__
#define __BFIN_MEM_MAP_H__
#include <mach/mem_map.h>
/* Every Blackfin so far has MMRs like this */
#ifndef COREMMR_BASE
# define COREMMR_BASE 0xFFE00000
#endif
#ifndef SYSMMR_BASE
# define SYSMMR_BASE 0xFFC00000
#endif
/* Every Blackfin so far has on-chip Scratch Pad SRAM like this */
#ifndef L1_SCRATCH_START
# define L1_SCRATCH_START 0xFFB00000
# define L1_SCRATCH_LENGTH 0x1000
#endif
/* Most parts lack on-chip L2 SRAM */
#ifndef L2_START
# define L2_START 0
# define L2_LENGTH 0
#endif
/* Most parts lack on-chip L1 ROM */
#ifndef L1_ROM_START
# define L1_ROM_START 0
# define L1_ROM_LENGTH 0
#endif
/* Allow wonky SMP ports to override this */
#ifndef GET_PDA_SAFE
# define GET_PDA_SAFE(preg) \
preg.l = _cpu_pda; \
preg.h = _cpu_pda;
# define GET_PDA(preg, dreg) GET_PDA_SAFE(preg)
# ifndef __ASSEMBLY__
static inline unsigned long get_l1_scratch_start_cpu(int cpu)
{
return L1_SCRATCH_START;
}
static inline unsigned long get_l1_code_start_cpu(int cpu)
{
return L1_CODE_START;
}
static inline unsigned long get_l1_data_a_start_cpu(int cpu)
{
return L1_DATA_A_START;
}
static inline unsigned long get_l1_data_b_start_cpu(int cpu)
{
return L1_DATA_B_START;
}
static inline unsigned long get_l1_scratch_start(void)
{
return get_l1_scratch_start_cpu(0);
}
static inline unsigned long get_l1_code_start(void)
{
return get_l1_code_start_cpu(0);
}
static inline unsigned long get_l1_data_a_start(void)
{
return get_l1_data_a_start_cpu(0);
}
static inline unsigned long get_l1_data_b_start(void)
{
return get_l1_data_b_start_cpu(0);
}
# endif /* __ASSEMBLY__ */
#endif /* !GET_PDA_SAFE */
#endif

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kernel/arch/blackfin/include/asm/mman.h Normal file
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#include <asm-generic/mman.h>

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kernel/arch/blackfin/include/asm/mmu.h Normal file
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/*
* Copyright 2004-2009 Analog Devices Inc.
* 2002 David McCullough <davidm@snapgear.com>
*
* Licensed under the GPL-2.
*/
#ifndef __MMU_H
#define __MMU_H
struct sram_list_struct {
struct sram_list_struct *next;
void *addr;
size_t length;
};
typedef struct {
unsigned long end_brk;
unsigned long stack_start;
/* Points to the location in SDRAM where the L1 stack is normally
saved, or NULL if the stack is always in SDRAM. */
void *l1_stack_save;
struct sram_list_struct *sram_list;
#ifdef CONFIG_BINFMT_ELF_FDPIC
unsigned long exec_fdpic_loadmap;
unsigned long interp_fdpic_loadmap;
#endif
#ifdef CONFIG_MPU
unsigned long *page_rwx_mask;
#endif
} mm_context_t;
#endif

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kernel/arch/blackfin/include/asm/mmu_context.h Normal file
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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __BLACKFIN_MMU_CONTEXT_H__
#define __BLACKFIN_MMU_CONTEXT_H__
#include <linux/gfp.h>
#include <linux/sched.h>
#include <asm/setup.h>
#include <asm/page.h>
#include <asm/pgalloc.h>
#include <asm/cplbinit.h>
/* Note: L1 stacks are CPU-private things, so we bluntly disable this
feature in SMP mode, and use the per-CPU scratch SRAM bank only to
store the PDA instead. */
extern void *current_l1_stack_save;
extern int nr_l1stack_tasks;
extern void *l1_stack_base;
extern unsigned long l1_stack_len;
extern int l1sram_free(const void*);
extern void *l1sram_alloc_max(void*);
static inline void free_l1stack(void)
{
nr_l1stack_tasks--;
if (nr_l1stack_tasks == 0)
l1sram_free(l1_stack_base);
}
static inline unsigned long
alloc_l1stack(unsigned long length, unsigned long *stack_base)
{
if (nr_l1stack_tasks == 0) {
l1_stack_base = l1sram_alloc_max(&l1_stack_len);
if (!l1_stack_base)
return 0;
}
if (l1_stack_len < length) {
if (nr_l1stack_tasks == 0)
l1sram_free(l1_stack_base);
return 0;
}
*stack_base = (unsigned long)l1_stack_base;
nr_l1stack_tasks++;
return l1_stack_len;
}
static inline int
activate_l1stack(struct mm_struct *mm, unsigned long sp_base)
{
if (current_l1_stack_save)
memcpy(current_l1_stack_save, l1_stack_base, l1_stack_len);
mm->context.l1_stack_save = current_l1_stack_save = (void*)sp_base;
memcpy(l1_stack_base, current_l1_stack_save, l1_stack_len);
return 1;
}
#define deactivate_mm(tsk,mm) do { } while (0)
#define activate_mm(prev, next) switch_mm(prev, next, NULL)
static inline void switch_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm,
struct task_struct *tsk)
{
#ifdef CONFIG_MPU
unsigned int cpu = smp_processor_id();
#endif
if (prev_mm == next_mm)
return;
#ifdef CONFIG_MPU
if (prev_mm->context.page_rwx_mask == current_rwx_mask[cpu]) {
flush_switched_cplbs(cpu);
set_mask_dcplbs(next_mm->context.page_rwx_mask, cpu);
}
#endif
#ifdef CONFIG_APP_STACK_L1
/* L1 stack switching. */
if (!next_mm->context.l1_stack_save)
return;
if (next_mm->context.l1_stack_save == current_l1_stack_save)
return;
if (current_l1_stack_save) {
memcpy(current_l1_stack_save, l1_stack_base, l1_stack_len);
}
current_l1_stack_save = next_mm->context.l1_stack_save;
memcpy(l1_stack_base, current_l1_stack_save, l1_stack_len);
#endif
}
#ifdef CONFIG_MPU
static inline void protect_page(struct mm_struct *mm, unsigned long addr,
unsigned long flags)
{
unsigned long *mask = mm->context.page_rwx_mask;
unsigned long page = addr >> 12;
unsigned long idx = page >> 5;
unsigned long bit = 1 << (page & 31);
if (flags & VM_READ)
mask[idx] |= bit;
else
mask[idx] &= ~bit;
mask += page_mask_nelts;
if (flags & VM_WRITE)
mask[idx] |= bit;
else
mask[idx] &= ~bit;
mask += page_mask_nelts;
if (flags & VM_EXEC)
mask[idx] |= bit;
else
mask[idx] &= ~bit;
}
static inline void update_protections(struct mm_struct *mm)
{
unsigned int cpu = smp_processor_id();
if (mm->context.page_rwx_mask == current_rwx_mask[cpu]) {
flush_switched_cplbs(cpu);
set_mask_dcplbs(mm->context.page_rwx_mask, cpu);
}
}
#endif
static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
}
/* Called when creating a new context during fork() or execve(). */
static inline int
init_new_context(struct task_struct *tsk, struct mm_struct *mm)
{
#ifdef CONFIG_MPU
unsigned long p = __get_free_pages(GFP_KERNEL, page_mask_order);
mm->context.page_rwx_mask = (unsigned long *)p;
memset(mm->context.page_rwx_mask, 0,
page_mask_nelts * 3 * sizeof(long));
#endif
return 0;
}
static inline void destroy_context(struct mm_struct *mm)
{
struct sram_list_struct *tmp;
#ifdef CONFIG_MPU
unsigned int cpu = smp_processor_id();
#endif
#ifdef CONFIG_APP_STACK_L1
if (current_l1_stack_save == mm->context.l1_stack_save)
current_l1_stack_save = 0;
if (mm->context.l1_stack_save)
free_l1stack();
#endif
while ((tmp = mm->context.sram_list)) {
mm->context.sram_list = tmp->next;
sram_free(tmp->addr);
kfree(tmp);
}
#ifdef CONFIG_MPU
if (current_rwx_mask[cpu] == mm->context.page_rwx_mask)
current_rwx_mask[cpu] = NULL;
free_pages((unsigned long)mm->context.page_rwx_mask, page_mask_order);
#endif
}
#endif

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/*
 * Copyright 2004-2008 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */
#ifndef _ASM_BFIN_MODULE_H
#define _ASM_BFIN_MODULE_H
#define MODULE_SYMBOL_PREFIX "_"
#define Elf_Shdr Elf32_Shdr
#define Elf_Sym Elf32_Sym
#define Elf_Ehdr Elf32_Ehdr
struct mod_arch_specific {
Elf_Shdr *text_l1;
Elf_Shdr *data_a_l1;
Elf_Shdr *bss_a_l1;
Elf_Shdr *data_b_l1;
Elf_Shdr *bss_b_l1;
Elf_Shdr *text_l2;
Elf_Shdr *data_l2;
Elf_Shdr *bss_l2;
};
#endif /* _ASM_BFIN_MODULE_H */

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#include <asm-generic/msgbuf.h>

76
kernel/arch/blackfin/include/asm/mutex.h Normal file
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/*
* Pull in the generic implementation for the mutex fastpath.
*
* TODO: implement optimized primitives instead, or leave the generic
* implementation in place, or pick the atomic_xchg() based generic
* implementation. (see asm-generic/mutex-xchg.h for details)
*
* Copyright 2006-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _ASM_MUTEX_H
#define _ASM_MUTEX_H
#ifndef CONFIG_SMP
#include <asm-generic/mutex.h>
#else
static inline void
__mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
{
if (unlikely(atomic_dec_return(count) < 0))
fail_fn(count);
else
smp_mb();
}
static inline int
__mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
{
if (unlikely(atomic_dec_return(count) < 0))
return fail_fn(count);
else {
smp_mb();
return 0;
}
}
static inline void
__mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *))
{
smp_mb();
if (unlikely(atomic_inc_return(count) <= 0))
fail_fn(count);
}
#define __mutex_slowpath_needs_to_unlock() 1
static inline int
__mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *))
{
/*
* We have two variants here. The cmpxchg based one is the best one
* because it never induce a false contention state. It is included
* here because architectures using the inc/dec algorithms over the
* xchg ones are much more likely to support cmpxchg natively.
*
* If not we fall back to the spinlock based variant - that is
* just as efficient (and simpler) as a 'destructive' probing of
* the mutex state would be.
*/
#ifdef __HAVE_ARCH_CMPXCHG
if (likely(atomic_cmpxchg(count, 1, 0) == 1)) {
smp_mb();
return 1;
}
return 0;
#else
return fail_fn(count);
#endif
}
#endif
#endif

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/*
* BF5XX - NAND flash controller platfrom_device info
*
* Copyright 2007-2008 Analog Devices, Inc.
*
* Licensed under the GPL-2
*/
/* struct bf5xx_nand_platform
*
* define a interface between platfrom board specific code and
* bf54x NFC driver.
*
* nr_partitions = number of partitions pointed to be partitoons (or zero)
* partitions = mtd partition list
*/
#define NFC_PG_SIZE_256 0
#define NFC_PG_SIZE_512 1
#define NFC_PG_SIZE_OFFSET 9
#define NFC_NWIDTH_8 0
#define NFC_NWIDTH_16 1
#define NFC_NWIDTH_OFFSET 8
#define NFC_RDDLY_OFFSET 4
#define NFC_WRDLY_OFFSET 0
#define NFC_STAT_NBUSY 1
struct bf5xx_nand_platform {
/* NAND chip information */
unsigned short page_size;
unsigned short data_width;
/* RD/WR strobe delay timing information, all times in SCLK cycles */
unsigned short rd_dly;
unsigned short wr_dly;
/* NAND MTD partition information */
int nr_partitions;
struct mtd_partition *partitions;
};

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/*
 * Copyright 2004-2009 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */
#ifndef _BLACKFIN_PAGE_H
#define _BLACKFIN_PAGE_H
#include <asm-generic/page.h>
#define MAP_NR(addr) (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)
#define VM_DATA_DEFAULT_FLAGS \
(VM_READ | VM_WRITE | \
((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#endif

11
kernel/arch/blackfin/include/asm/page_offset.h Normal file
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/*
* This handles the memory map
*
* Copyright 2004-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifdef CONFIG_BLACKFIN
#define PAGE_OFFSET_RAW 0x00000000
#endif

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kernel/arch/blackfin/include/asm/param.h Normal file
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#include <asm-generic/param.h>

148
kernel/arch/blackfin/include/asm/pci.h Normal file
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/* Changed from asm-m68k version, Lineo Inc. May 2001 */
#ifndef _ASM_BFIN_PCI_H
#define _ASM_BFIN_PCI_H
#include <asm/scatterlist.h>
/*
*
* Written by Wout Klaren.
*/
/* Added by Chang Junxiao */
#define PCIBIOS_MIN_IO 0x00001000
#define PCIBIOS_MIN_MEM 0x10000000
#define PCI_DMA_BUS_IS_PHYS (1)
struct pci_ops;
/*
* Structure with hardware dependent information and functions of the
* PCI bus.
*/
struct pci_bus_info {
/*
* Resources of the PCI bus.
*/
struct resource mem_space;
struct resource io_space;
/*
* System dependent functions.
*/
struct pci_ops *bfin_pci_ops;
void (*fixup) (int pci_modify);
void (*conf_device) (unsigned char bus, unsigned char device_fn);
};
#define pcibios_assign_all_busses() 0
static inline void pcibios_set_master(struct pci_dev *dev)
{
/* No special bus mastering setup handling */
}
static inline void pcibios_penalize_isa_irq(int irq)
{
/* We don't do dynamic PCI IRQ allocation */
}
static inline dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr,
size_t size, int direction)
{
if (direction == PCI_DMA_NONE)
BUG();
/* return virt_to_bus(ptr); */
return (dma_addr_t) ptr;
}
/* Unmap a single streaming mode DMA translation. The dma_addr and size
* must match what was provided for in a previous pci_map_single call. All
* other usages are undefined.
*
* After this call, reads by the cpu to the buffer are guarenteed to see
* whatever the device wrote there.
*/
static inline void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
size_t size, int direction)
{
if (direction == PCI_DMA_NONE)
BUG();
/* Nothing to do */
}
/* Map a set of buffers described by scatterlist in streaming
* mode for DMA. This is the scather-gather version of the
* above pci_map_single interface. Here the scatter gather list
* elements are each tagged with the appropriate dma address
* and length. They are obtained via sg_dma_{address,length}(SG).
*
* NOTE: An implementation may be able to use a smaller number of
* DMA address/length pairs than there are SG table elements.
* (for example via virtual mapping capabilities)
* The routine returns the number of addr/length pairs actually
* used, at most nents.
*
* Device ownership issues as mentioned above for pci_map_single are
* the same here.
*/
static inline int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
int nents, int direction)
{
if (direction == PCI_DMA_NONE)
BUG();
return nents;
}
/* Unmap a set of streaming mode DMA translations.
* Again, cpu read rules concerning calls here are the same as for
* pci_unmap_single() above.
*/
static inline void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,
int nents, int direction)
{
if (direction == PCI_DMA_NONE)
BUG();
/* Nothing to do */
}
/* Make physical memory consistent for a single
* streaming mode DMA translation after a transfer.
*
* If you perform a pci_map_single() but wish to interrogate the
* buffer using the cpu, yet do not wish to teardown the PCI dma
* mapping, you must call this function before doing so. At the
* next point you give the PCI dma address back to the card, the
* device again owns the buffer.
*/
static inline void pci_dma_sync_single(struct pci_dev *hwdev,
dma_addr_t dma_handle, size_t size,
int direction)
{
if (direction == PCI_DMA_NONE)
BUG();
/* Nothing to do */
}
/* Make physical memory consistent for a set of streaming
* mode DMA translations after a transfer.
*
* The same as pci_dma_sync_single but for a scatter-gather list,
* same rules and usage.
*/
static inline void pci_dma_sync_sg(struct pci_dev *hwdev,
struct scatterlist *sg, int nelems,
int direction)
{
if (direction == PCI_DMA_NONE)
BUG();
/* Nothing to do */
}
#endif /* _ASM_BFIN_PCI_H */

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/*
* Copyright 2007-2009 Analog Devices Inc.
* Philippe Gerum <rpm@xenomai.org>
*
* Licensed under the GPL-2 or later.
*/
#ifndef _ASM_BLACKFIN_PDA_H
#define _ASM_BLACKFIN_PDA_H
#include <mach/anomaly.h>
#ifndef __ASSEMBLY__
struct blackfin_pda { /* Per-processor Data Area */
struct blackfin_pda *next;
unsigned long syscfg;
#ifdef CONFIG_SMP
unsigned long imask; /* Current IMASK value */
#endif
unsigned long *ipdt; /* Start of switchable I-CPLB table */
unsigned long *ipdt_swapcount; /* Number of swaps in ipdt */
unsigned long *dpdt; /* Start of switchable D-CPLB table */
unsigned long *dpdt_swapcount; /* Number of swaps in dpdt */
/*
* Single instructions can have multiple faults, which
* need to be handled by traps.c, in irq5. We store
* the exception cause to ensure we don't miss a
* double fault condition
*/
unsigned long ex_iptr;
unsigned long ex_optr;
unsigned long ex_buf[4];
unsigned long ex_imask; /* Saved imask from exception */
unsigned long ex_ipend; /* Saved IPEND from exception */
unsigned long *ex_stack; /* Exception stack space */
#ifdef ANOMALY_05000261
unsigned long last_cplb_fault_retx;
#endif
unsigned long dcplb_fault_addr;
unsigned long icplb_fault_addr;
unsigned long retx;
unsigned long seqstat;
unsigned int __nmi_count; /* number of times NMI asserted on this CPU */
#ifdef CONFIG_DEBUG_DOUBLEFAULT
unsigned long dcplb_doublefault_addr;
unsigned long icplb_doublefault_addr;
unsigned long retx_doublefault;
unsigned long seqstat_doublefault;
#endif
};
extern struct blackfin_pda cpu_pda[];
#endif /* __ASSEMBLY__ */
#endif /* _ASM_BLACKFIN_PDA_H */

1
kernel/arch/blackfin/include/asm/percpu.h Normal file
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#include <asm-generic/percpu.h>

1
kernel/arch/blackfin/include/asm/pgalloc.h Normal file
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#include <asm-generic/pgalloc.h>

109
kernel/arch/blackfin/include/asm/pgtable.h Normal file
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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BLACKFIN_PGTABLE_H
#define _BLACKFIN_PGTABLE_H
#include <asm-generic/4level-fixup.h>
#include <asm/page.h>
#include <asm/def_LPBlackfin.h>
typedef pte_t *pte_addr_t;
/*
* Trivial page table functions.
*/
#define pgd_present(pgd) (1)
#define pgd_none(pgd) (0)
#define pgd_bad(pgd) (0)
#define pgd_clear(pgdp)
#define kern_addr_valid(addr) (1)
#define pmd_offset(a, b) ((void *)0)
#define pmd_none(x) (!pmd_val(x))
#define pmd_present(x) (pmd_val(x))
#define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0)
#define pmd_bad(x) (pmd_val(x) & ~PAGE_MASK)
#define kern_addr_valid(addr) (1)
#define PAGE_NONE __pgprot(0) /* these mean nothing to NO_MM */
#define PAGE_SHARED __pgprot(0) /* these mean nothing to NO_MM */
#define PAGE_COPY __pgprot(0) /* these mean nothing to NO_MM */
#define PAGE_READONLY __pgprot(0) /* these mean nothing to NO_MM */
#define PAGE_KERNEL __pgprot(0) /* these mean nothing to NO_MM */
#define pgprot_noncached(prot) (prot)
extern void paging_init(void);
#define __swp_type(x) (0)
#define __swp_offset(x) (0)
#define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) })
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
static inline int pte_file(pte_t pte)
{
return 0;
}
#define set_pte(pteptr, pteval) (*(pteptr) = pteval)
#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
/*
* Page assess control based on Blackfin CPLB management
*/
#define _PAGE_RD (CPLB_USER_RD)
#define _PAGE_WR (CPLB_USER_WR)
#define _PAGE_USER (CPLB_USER_RD | CPLB_USER_WR)
#define _PAGE_ACCESSED CPLB_ALL_ACCESS
#define _PAGE_DIRTY (CPLB_DIRTY)
#define PTE_BIT_FUNC(fn, op) \
static inline pte_t pte_##fn(pte_t _pte) { _pte.pte op; return _pte; }
PTE_BIT_FUNC(rdprotect, &= ~_PAGE_RD);
PTE_BIT_FUNC(mkread, |= _PAGE_RD);
PTE_BIT_FUNC(wrprotect, &= ~_PAGE_WR);
PTE_BIT_FUNC(mkwrite, |= _PAGE_WR);
PTE_BIT_FUNC(exprotect, &= ~_PAGE_USER);
PTE_BIT_FUNC(mkexec, |= _PAGE_USER);
PTE_BIT_FUNC(mkclean, &= ~_PAGE_DIRTY);
PTE_BIT_FUNC(mkdirty, |= _PAGE_DIRTY);
PTE_BIT_FUNC(mkold, &= ~_PAGE_ACCESSED);
PTE_BIT_FUNC(mkyoung, |= _PAGE_ACCESSED);
/*
* ZERO_PAGE is a global shared page that is always zero: used
* for zero-mapped memory areas etc..
*/
#define ZERO_PAGE(vaddr) (virt_to_page(0))
extern unsigned int kobjsize(const void *objp);
#define swapper_pg_dir ((pgd_t *) 0)
/*
* No page table caches to initialise.
*/
#define pgtable_cache_init() do { } while (0)
#define io_remap_pfn_range remap_pfn_range
/*
* All 32bit addresses are effectively valid for vmalloc...
* Sort of meaningless for non-VM targets.
*/
#define VMALLOC_START 0
#define VMALLOC_END 0xffffffff
/* provide a special get_unmapped_area for framebuffer mmaps of nommu */
extern unsigned long get_fb_unmapped_area(struct file *filp, unsigned long,
unsigned long, unsigned long,
unsigned long);
#define HAVE_ARCH_FB_UNMAPPED_AREA
#include <asm-generic/pgtable.h>
#endif /* _BLACKFIN_PGTABLE_H */

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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*
*/
#ifndef __BFIN_POLL_H
#define __BFIN_POLL_H
#define POLLWRNORM 4 /* POLLOUT */
#define POLLWRBAND 256
#include <asm-generic/poll.h>
#endif

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kernel/arch/blackfin/include/asm/posix_types.h Normal file
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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ARCH_BFIN_POSIX_TYPES_H
#define __ARCH_BFIN_POSIX_TYPES_H
typedef unsigned short __kernel_mode_t;
#define __kernel_mode_t __kernel_mode_t
typedef unsigned short __kernel_nlink_t;
#define __kernel_nlink_t __kernel_nlink_t
typedef unsigned int __kernel_ipc_pid_t;
#define __kernel_ipc_pid_t __kernel_ipc_pid_t
typedef unsigned long __kernel_size_t;
typedef long __kernel_ssize_t;
typedef int __kernel_ptrdiff_t;
#define __kernel_size_t __kernel_size_t
typedef unsigned short __kernel_old_uid_t;
typedef unsigned short __kernel_old_gid_t;
#define __kernel_old_uid_t __kernel_old_uid_t
typedef unsigned short __kernel_old_dev_t;
#define __kernel_old_dev_t __kernel_old_dev_t
#include <asm-generic/posix_types.h>
#endif

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/*
* Copyright 2004-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ASM_BFIN_PROCESSOR_H
#define __ASM_BFIN_PROCESSOR_H
/*
* Default implementation of macro that returns current
* instruction pointer ("program counter").
*/
#define current_text_addr() ({ __label__ _l; _l: &&_l;})
#include <asm/ptrace.h>
#include <asm/blackfin.h>
static inline unsigned long rdusp(void)
{
unsigned long usp;
__asm__ __volatile__("%0 = usp;\n\t":"=da"(usp));
return usp;
}
static inline void wrusp(unsigned long usp)
{
__asm__ __volatile__("usp = %0;\n\t"::"da"(usp));
}
static inline unsigned long __get_SP(void)
{
unsigned long sp;
__asm__ __volatile__("%0 = sp;\n\t" : "=da"(sp));
return sp;
}
/*
* User space process size: 1st byte beyond user address space.
* Fairly meaningless on nommu. Parts of user programs can be scattered
* in a lot of places, so just disable this by setting it to 0xFFFFFFFF.
*/
#define TASK_SIZE 0xFFFFFFFF
#ifdef __KERNEL__
#define STACK_TOP TASK_SIZE
#endif
#define TASK_UNMAPPED_BASE 0
struct thread_struct {
unsigned long ksp; /* kernel stack pointer */
unsigned long usp; /* user stack pointer */
unsigned short seqstat; /* saved status register */
unsigned long esp0; /* points to SR of stack frame pt_regs */
unsigned long pc; /* instruction pointer */
void * debuggerinfo;
};
#define INIT_THREAD { \
sizeof(init_stack) + (unsigned long) init_stack, 0, \
PS_S, 0, 0 \
}
extern void start_thread(struct pt_regs *regs, unsigned long new_ip,
unsigned long new_sp);
/* Forward declaration, a strange C thing */
struct task_struct;
/* Free all resources held by a thread. */
static inline void release_thread(struct task_struct *dead_task)
{
}
#define prepare_to_copy(tsk) do { } while (0)
extern int kernel_thread(int (*fn) (void *), void *arg, unsigned long flags);
/*
* Free current thread data structures etc..
*/
static inline void exit_thread(void)
{
}
/*
* Return saved PC of a blocked thread.
*/
#define thread_saved_pc(tsk) (tsk->thread.pc)
unsigned long get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) \
({ \
unsigned long eip = 0; \
if ((tsk)->thread.esp0 > PAGE_SIZE && \
MAP_NR((tsk)->thread.esp0) < max_mapnr) \
eip = ((struct pt_regs *) (tsk)->thread.esp0)->pc; \
eip; })
#define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->thread.usp)
#define cpu_relax() smp_mb()
/* Get the Silicon Revision of the chip */
static inline uint32_t __pure bfin_revid(void)
{
/* Always use CHIPID, to work around ANOMALY_05000234 */
uint32_t revid = (bfin_read_CHIPID() & CHIPID_VERSION) >> 28;
#ifdef _BOOTROM_GET_DXE_ADDRESS_TWI
/*
* ANOMALY_05000364
* Incorrect Revision Number in DSPID Register
*/
if (ANOMALY_05000364 &&
bfin_read16(_BOOTROM_GET_DXE_ADDRESS_TWI) == 0x2796)
revid = 1;
#endif
return revid;
}
static inline uint16_t __pure bfin_cpuid(void)
{
return (bfin_read_CHIPID() & CHIPID_FAMILY) >> 12;
}
static inline uint32_t __pure bfin_dspid(void)
{
return bfin_read_DSPID();
}
static inline uint32_t __pure bfin_compiled_revid(void)
{
#if defined(CONFIG_BF_REV_0_0)
return 0;
#elif defined(CONFIG_BF_REV_0_1)
return 1;
#elif defined(CONFIG_BF_REV_0_2)
return 2;
#elif defined(CONFIG_BF_REV_0_3)
return 3;
#elif defined(CONFIG_BF_REV_0_4)
return 4;
#elif defined(CONFIG_BF_REV_0_5)
return 5;
#elif defined(CONFIG_BF_REV_0_6)
return 6;
#elif defined(CONFIG_BF_REV_ANY)
return 0xffff;
#else
return -1;
#endif
}
#endif

176
kernel/arch/blackfin/include/asm/ptrace.h Normal file
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/*
* Copyright 2004-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BFIN_PTRACE_H
#define _BFIN_PTRACE_H
/*
* GCC defines register number like this:
* -----------------------------
* 0 - 7 are data registers R0-R7
* 8 - 15 are address registers P0-P7
* 16 - 31 dsp registers I/B/L0 -- I/B/L3 & M0--M3
* 32 - 33 A registers A0 & A1
* 34 - status register
* -----------------------------
*
* We follows above, except:
* 32-33 --- Low 32-bit of A0&1
* 34-35 --- High 8-bit of A0&1
*/
#ifndef __ASSEMBLY__
/* this struct defines the way the registers are stored on the
stack during a system call. */
struct pt_regs {
long orig_pc;
long ipend;
long seqstat;
long rete;
long retn;
long retx;
long pc; /* PC == RETI */
long rets;
long reserved; /* Used as scratch during system calls */
long astat;
long lb1;
long lb0;
long lt1;
long lt0;
long lc1;
long lc0;
long a1w;
long a1x;
long a0w;
long a0x;
long b3;
long b2;
long b1;
long b0;
long l3;
long l2;
long l1;
long l0;
long m3;
long m2;
long m1;
long m0;
long i3;
long i2;
long i1;
long i0;
long usp;
long fp;
long p5;
long p4;
long p3;
long p2;
long p1;
long p0;
long r7;
long r6;
long r5;
long r4;
long r3;
long r2;
long r1;
long r0;
long orig_r0;
long orig_p0;
long syscfg;
};
/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13 /* ptrace signal */
#define PTRACE_GETFDPIC 31
#define PTRACE_GETFDPIC_EXEC 0
#define PTRACE_GETFDPIC_INTERP 1
#define PS_S (0x0002)
#ifdef __KERNEL__
/* user_mode returns true if only one bit is set in IPEND, other than the
master interrupt enable. */
#define user_mode(regs) (!(((regs)->ipend & ~0x10) & (((regs)->ipend & ~0x10) - 1)))
#define instruction_pointer(regs) ((regs)->pc)
#define profile_pc(regs) instruction_pointer(regs)
extern void show_regs(struct pt_regs *);
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
/*
* Offsets used by 'ptrace' system call interface.
*/
#define PT_R0 204
#define PT_R1 200
#define PT_R2 196
#define PT_R3 192
#define PT_R4 188
#define PT_R5 184
#define PT_R6 180
#define PT_R7 176
#define PT_P0 172
#define PT_P1 168
#define PT_P2 164
#define PT_P3 160
#define PT_P4 156
#define PT_P5 152
#define PT_FP 148
#define PT_USP 144
#define PT_I0 140
#define PT_I1 136
#define PT_I2 132
#define PT_I3 128
#define PT_M0 124
#define PT_M1 120
#define PT_M2 116
#define PT_M3 112
#define PT_L0 108
#define PT_L1 104
#define PT_L2 100
#define PT_L3 96
#define PT_B0 92
#define PT_B1 88
#define PT_B2 84
#define PT_B3 80
#define PT_A0X 76
#define PT_A0W 72
#define PT_A1X 68
#define PT_A1W 64
#define PT_LC0 60
#define PT_LC1 56
#define PT_LT0 52
#define PT_LT1 48
#define PT_LB0 44
#define PT_LB1 40
#define PT_ASTAT 36
#define PT_RESERVED 32
#define PT_RETS 28
#define PT_PC 24
#define PT_RETX 20
#define PT_RETN 16
#define PT_RETE 12
#define PT_SEQSTAT 8
#define PT_IPEND 4
#define PT_ORIG_R0 208
#define PT_ORIG_P0 212
#define PT_SYSCFG 216
#define PT_TEXT_ADDR 220
#define PT_TEXT_END_ADDR 224
#define PT_DATA_ADDR 228
#define PT_FDPIC_EXEC 232
#define PT_FDPIC_INTERP 236
#endif /* _BFIN_PTRACE_H */

20
kernel/arch/blackfin/include/asm/reboot.h Normal file
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/*
* reboot.h - shutdown/reboot header
*
* Copyright 2004-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __ASM_REBOOT_H__
#define __ASM_REBOOT_H__
/* optional board specific hooks */
extern void native_machine_restart(char *cmd);
extern void native_machine_halt(void);
extern void native_machine_power_off(void);
/* common reboot workarounds */
extern void bfin_reset_boot_spi_cs(unsigned short pin);
#endif

1
kernel/arch/blackfin/include/asm/resource.h Normal file
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#include <asm-generic/resource.h>

6
kernel/arch/blackfin/include/asm/rwlock.h Normal file
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#ifndef _ASM_BLACKFIN_RWLOCK_H
#define _ASM_BLACKFIN_RWLOCK_H
#define RW_LOCK_BIAS 0x01000000
#endif

28
kernel/arch/blackfin/include/asm/scatterlist.h Normal file
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#ifndef _BLACKFIN_SCATTERLIST_H
#define _BLACKFIN_SCATTERLIST_H
#include <linux/mm.h>
struct scatterlist {
#ifdef CONFIG_DEBUG_SG
unsigned long sg_magic;
#endif
unsigned long page_link;
unsigned int offset;
dma_addr_t dma_address;
unsigned int length;
};
/*
* These macros should be used after a pci_map_sg call has been done
* to get bus addresses of each of the SG entries and their lengths.
* You should only work with the number of sg entries pci_map_sg
* returns, or alternatively stop on the first sg_dma_len(sg) which
* is 0.
*/
#define sg_dma_address(sg) ((sg)->dma_address)
#define sg_dma_len(sg) ((sg)->length)
#define ISA_DMA_THRESHOLD (0xffffffff)
#endif /* !(_BLACKFIN_SCATTERLIST_H) */

56
kernel/arch/blackfin/include/asm/sections.h Normal file
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/*
 * Copyright 2004-2009 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */
#ifndef _BLACKFIN_SECTIONS_H
#define _BLACKFIN_SECTIONS_H
/* only used when MTD_UCLINUX */
extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size;
extern unsigned long _ramstart, _ramend, _rambase;
extern unsigned long memory_start, memory_end, physical_mem_end;
extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[],
_ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _sbss_b_l1[], _ebss_b_l1[],
_stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[], _sbss_l2[],
_ebss_l2[], _l2_lma_start[];
#include <asm/mem_map.h>
/* Blackfin systems have discontinuous memory map and no virtualized memory */
static inline int arch_is_kernel_text(unsigned long addr)
{
return
(L1_CODE_LENGTH &&
addr >= (unsigned long)_stext_l1 &&
addr < (unsigned long)_etext_l1)
||
(L2_LENGTH &&
addr >= (unsigned long)_stext_l2 &&
addr < (unsigned long)_etext_l2);
}
#define arch_is_kernel_text(addr) arch_is_kernel_text(addr)
static inline int arch_is_kernel_data(unsigned long addr)
{
return
(L1_DATA_A_LENGTH &&
addr >= (unsigned long)_sdata_l1 &&
addr < (unsigned long)_ebss_l1)
||
(L1_DATA_B_LENGTH &&
addr >= (unsigned long)_sdata_b_l1 &&
addr < (unsigned long)_ebss_b_l1)
||
(L2_LENGTH &&
addr >= (unsigned long)_sdata_l2 &&
addr < (unsigned long)_ebss_l2);
}
#define arch_is_kernel_data(addr) arch_is_kernel_data(addr)
#include <asm-generic/sections.h>
#endif

13
kernel/arch/blackfin/include/asm/segment.h Normal file
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/*
* Copyright 2004-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BFIN_SEGMENT_H
#define _BFIN_SEGMENT_H
#define KERNEL_DS (0x5)
#define USER_DS (0x1)
#endif /* _BFIN_SEGMENT_H */

1
kernel/arch/blackfin/include/asm/sembuf.h Normal file
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#include <asm-generic/sembuf.h>

2
kernel/arch/blackfin/include/asm/serial.h Normal file
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#include <asm-generic/serial.h>
#define SERIAL_EXTRA_IRQ_FLAGS IRQF_TRIGGER_HIGH

1
kernel/arch/blackfin/include/asm/setup.h Normal file
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#include <asm-generic/setup.h>

1
kernel/arch/blackfin/include/asm/shmbuf.h Normal file
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@@ -0,0 +1 @@
#include <asm-generic/shmbuf.h>

1
kernel/arch/blackfin/include/asm/shmparam.h Normal file
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#include <asm-generic/shmparam.h>

61
kernel/arch/blackfin/include/asm/sigcontext.h Normal file
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/*
 * Copyright 2004-2008 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */
#ifndef _ASM_BLACKFIN_SIGCONTEXT_H
#define _ASM_BLACKFIN_SIGCONTEXT_H
/* Add new entries at the end of the structure only. */
struct sigcontext {
unsigned long sc_r0;
unsigned long sc_r1;
unsigned long sc_r2;
unsigned long sc_r3;
unsigned long sc_r4;
unsigned long sc_r5;
unsigned long sc_r6;
unsigned long sc_r7;
unsigned long sc_p0;
unsigned long sc_p1;
unsigned long sc_p2;
unsigned long sc_p3;
unsigned long sc_p4;
unsigned long sc_p5;
unsigned long sc_usp;
unsigned long sc_a0w;
unsigned long sc_a1w;
unsigned long sc_a0x;
unsigned long sc_a1x;
unsigned long sc_astat;
unsigned long sc_rets;
unsigned long sc_pc;
unsigned long sc_retx;
unsigned long sc_fp;
unsigned long sc_i0;
unsigned long sc_i1;
unsigned long sc_i2;
unsigned long sc_i3;
unsigned long sc_m0;
unsigned long sc_m1;
unsigned long sc_m2;
unsigned long sc_m3;
unsigned long sc_l0;
unsigned long sc_l1;
unsigned long sc_l2;
unsigned long sc_l3;
unsigned long sc_b0;
unsigned long sc_b1;
unsigned long sc_b2;
unsigned long sc_b3;
unsigned long sc_lc0;
unsigned long sc_lc1;
unsigned long sc_lt0;
unsigned long sc_lt1;
unsigned long sc_lb0;
unsigned long sc_lb1;
unsigned long sc_seqstat;
};
#endif

41
kernel/arch/blackfin/include/asm/siginfo.h Normal file
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/*
* Copyright 2004-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _BFIN_SIGINFO_H
#define _BFIN_SIGINFO_H
#include <linux/types.h>
#include <asm-generic/siginfo.h>
#define UID16_SIGINFO_COMPAT_NEEDED
#define si_uid16 _sifields._kill._uid
#define ILL_ILLPARAOP (__SI_FAULT|2) /* illegal opcode combine ********** */
#define ILL_ILLEXCPT (__SI_FAULT|4) /* unrecoverable exception ********** */
#define ILL_CPLB_VI (__SI_FAULT|9) /* D/I CPLB protect violation ******** */
#define ILL_CPLB_MISS (__SI_FAULT|10) /* D/I CPLB miss ******** */
#define ILL_CPLB_MULHIT (__SI_FAULT|11) /* D/I CPLB multiple hit ******** */
/*
* SIGBUS si_codes
*/
#define BUS_OPFETCH (__SI_FAULT|4) /* error from instruction fetch ******** */
/*
* SIGTRAP si_codes
*/
#define TRAP_STEP (__SI_FAULT|1) /* single-step breakpoint************* */
#define TRAP_TRACEFLOW (__SI_FAULT|2) /* trace buffer overflow ************* */
#define TRAP_WATCHPT (__SI_FAULT|3) /* watchpoint match ************* */
#define TRAP_ILLTRAP (__SI_FAULT|4) /* illegal trap ************* */
/*
* SIGSEGV si_codes
*/
#define SEGV_STACKFLOW (__SI_FAULT|3) /* stack overflow */
#endif

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