frodovdr/satip-axe
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
41964656ff
satip-axe/kernel/drivers/stm/stx7108.c

1223 lines
31 KiB
C
Raw Normal View History

add idl4k kernel firmware version 1.13.0.105
2015-03-26 17:22:37 +01:00
/*
* (c) 2010 STMicroelectronics Limited
*
* Author: Pawel Moll <pawel.moll@st.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/stm/emi.h>
#include <linux/stm/device.h>
#include <linux/stm/sysconf.h>
#include <linux/stm/stx7108.h>
#include <asm/irq-ilc.h>
/* EMI resources ---------------------------------------------------------- */
static int __initdata stx7108_emi_bank_configured[EMI_BANKS];
#if defined(CONFIG_SUSPEND) && defined(CONFIG_HIBERNATION_ON_MEMORY)
/*
* Don't provide power management of the EMI if both suspend and HoM
* are configured. If we do, it appears to be impossible to perform a
* suspend following a HoM hibernate/resume cycle.
*/
static int stx7108_emi_init(struct stm_device_state *device_state)
{
stm_device_sysconf_write(device_state, "EMI_PWR", 0);
return 0;
}
#define stx7108_emi_power NULL
#else
#define stx7108_emi_init NULL
static void stx7108_emi_power(struct stm_device_state *device_state,
enum stm_device_power_state power)
{
int i;
int value = (power == stm_device_power_on) ? 0 : 1;
stm_device_sysconf_write(device_state, "EMI_PWR", value);
for (i = 5; i; --i) {
if (stm_device_sysconf_read(device_state, "EMI_ACK")
== value)
break;
mdelay(10);
}
return;
}
#endif
static struct platform_device stx7108_emi = {
.name = "emi",
.id = -1,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0, 128 * 1024 * 1024),
STM_PLAT_RESOURCE_MEM(0xfe900000, 0x874),
},
.dev.platform_data = &(struct stm_device_config){
.sysconfs_num = 2,
.sysconfs = (struct stm_device_sysconf []){
STM_DEVICE_SYS_CFG_BANK(2, 30, 0, 0, "EMI_PWR"),
STM_DEVICE_SYS_STA_BANK(2, 1, 0, 0, "EMI_ACK"),
},
.init = stx7108_emi_init,
.power = stx7108_emi_power,
}
};
/* Mali resources --------------------------------------------------------- */
static struct platform_device stx7108_mali_device = {
.name = "mali",
.id = 0,
.num_resources = 9,
.resource = (struct resource []) {
STM_PLAT_RESOURCE_MEM_NAMED("MALI400GP", 0xfe710000, 0x1000),
STM_PLAT_RESOURCE_MEM_NAMED("MALI400PP-0", 0xfe718000, 0x10F0),
STM_PLAT_RESOURCE_MEM_NAMED("MMU-1", 0xfe713000, 0x1000),
STM_PLAT_RESOURCE_MEM_NAMED("MMU-2", 0xfe714000, 0x1000),
STM_PLAT_RESOURCE_MEM_NAMED("MALI400L2", 0xfe711000, 0x1000),
STM_PLAT_RESOURCE_IRQ_NAMED("MALI400GP", ILC_IRQ(115), -1),
STM_PLAT_RESOURCE_IRQ_NAMED("MALI400PP-0", ILC_IRQ(113), -1),
STM_PLAT_RESOURCE_IRQ_NAMED("MMU-1", ILC_IRQ(116), -1),
STM_PLAT_RESOURCE_IRQ_NAMED("MMU-2", ILC_IRQ(114), -1),
},
};
void stx7108_configure_mali(struct stm_mali_config *priv_data)
{
stx7108_mali_device.dev.platform_data = priv_data;
platform_device_register(&stx7108_mali_device);
}
/* PATA resources --------------------------------------------------------- */
/* EMI A20 = CS1 (active low)
* EMI A21 = CS0 (active low)
* EMI A19 = DA2
* EMI A18 = DA1
* EMI A17 = DA0 */
static struct resource stx7108_pata_resources[] = {
/* I/O base: CS1=N, CS0=A */
[0] = STM_PLAT_RESOURCE_MEM(1 << 20, 8 << 17),
/* CTL base: CS1=A, CS0=N, DA2=A, DA1=A, DA0=N */
[1] = STM_PLAT_RESOURCE_MEM((1 << 21) + (6 << 17), 4),
/* IRQ */
[2] = STM_PLAT_RESOURCE_IRQ(-1, -1),
};
static struct platform_device stx7108_pata_device = {
.name = "pata_platform",
.id = -1,
.num_resources = ARRAY_SIZE(stx7108_pata_resources),
.resource = stx7108_pata_resources,
.dev.platform_data = &(struct pata_platform_info) {
.ioport_shift = 17,
},
};
void __init stx7108_configure_pata(struct stx7108_pata_config *config)
{
unsigned long bank_base;
if (!config) {
BUG();
return;
}
BUG_ON(config->emi_bank < 0 || config->emi_bank >= EMI_BANKS);
BUG_ON(stx7108_emi_bank_configured[config->emi_bank]);
stx7108_emi_bank_configured[config->emi_bank] = 1;
bank_base = emi_bank_base(config->emi_bank);
stx7108_pata_resources[0].start += bank_base;
stx7108_pata_resources[0].end += bank_base;
stx7108_pata_resources[1].start += bank_base;
stx7108_pata_resources[1].end += bank_base;
stx7108_pata_resources[2].start = config->irq;
stx7108_pata_resources[2].end = config->irq;
emi_config_pata(config->emi_bank, config->pc_mode);
platform_device_register(&stx7108_pata_device);
}
/* SPI FSM setup ---------------------------------------------------------- */
static struct platform_device stx7108_spifsm_device = {
.name = "stm-spi-fsm",
.id = 0,
.num_resources = 1,
.resource = (struct resource[]) {
{
.start = 0xfe902000,
.end = 0xfe9024ff,
.flags = IORESOURCE_MEM,
},
},
};
void __init stx7108_configure_spifsm(struct stm_plat_spifsm_data *data)
{
stx7108_spifsm_device.dev.platform_data = data;
platform_device_register(&stx7108_spifsm_device);
}
/* NAND Resources --------------------------------------------------------- */
static struct platform_device stx7108_nand_emi_device = {
.name = "stm-nand-emi",
.dev.platform_data = &(struct stm_plat_nand_emi_data) {
},
};
static struct platform_device stx7108_nand_flex_device = {
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM_NAMED("flex_mem", 0xFE901000, 0x1000),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(121), -1),
},
.dev.platform_data = &(struct stm_plat_nand_flex_data) {
},
};
void __init stx7108_configure_nand(struct stm_nand_config *config)
{
struct stm_plat_nand_flex_data *flex_data;
struct stm_plat_nand_emi_data *emi_data;
switch (config->driver) {
case stm_nand_emi:
/* Configure device for stm-nand-emi driver */
emi_data = stx7108_nand_emi_device.dev.platform_data;
emi_data->nr_banks = config->nr_banks;
emi_data->banks = config->banks;
emi_data->emi_rbn_gpio = config->rbn.emi_gpio;
platform_device_register(&stx7108_nand_emi_device);
break;
case stm_nand_flex:
case stm_nand_afm:
/* Configure device for stm-nand-flex/afm driver */
flex_data = stx7108_nand_flex_device.dev.platform_data;
flex_data->nr_banks = config->nr_banks;
flex_data->banks = config->banks;
flex_data->flex_rbn_connected = config->rbn.flex_connected;
stx7108_nand_flex_device.name =
(config->driver == stm_nand_flex) ?
"stm-nand-flex" : "stm-nand-afm";
platform_device_register(&stx7108_nand_flex_device);
break;
default:
return;
}
}
/* FDMA resources --------------------------------------------------------- */
static struct stm_plat_fdma_fw_regs stm_fdma_firmware_7108 = {
.rev_id = 0x8000 + (0x000 << 2), /* 0x8000 */
.cmd_statn = 0x8000 + (0x450 << 2), /* 0x9140 */
.req_ctln = 0x8000 + (0x460 << 2), /* 0x9180 */
.ptrn = 0x8000 + (0x560 << 2), /* 0x9580 */
.cntn = 0x8000 + (0x562 << 2), /* 0x9588 */
.saddrn = 0x8000 + (0x563 << 2), /* 0x958c */
.daddrn = 0x8000 + (0x564 << 2), /* 0x9590 */
};
static struct stm_plat_fdma_hw stx7108_fdma_hw = {
.slim_regs = {
.id = 0x0000 + (0x000 << 2), /* 0x0000 */
.ver = 0x0000 + (0x001 << 2), /* 0x0004 */
.en = 0x0000 + (0x002 << 2), /* 0x0008 */
.clk_gate = 0x0000 + (0x003 << 2), /* 0x000c */
},
.dmem = {
.offset = 0x8000,
.size = 0x800 << 2, /* 2048 * 4 = 8192 */
},
.periph_regs = {
.sync_reg = 0x8000 + (0xfe2 << 2), /* 0xbf88 */
.cmd_sta = 0x8000 + (0xff0 << 2), /* 0xbfc0 */
.cmd_set = 0x8000 + (0xff1 << 2), /* 0xbfc4 */
.cmd_clr = 0x8000 + (0xff2 << 2), /* 0xbfc8 */
.cmd_mask = 0x8000 + (0xff3 << 2), /* 0xbfcc */
.int_sta = 0x8000 + (0xff4 << 2), /* 0xbfd0 */
.int_set = 0x8000 + (0xff5 << 2), /* 0xbfd4 */
.int_clr = 0x8000 + (0xff6 << 2), /* 0xbfd8 */
.int_mask = 0x8000 + (0xff7 << 2), /* 0xbfdc */
},
.imem = {
.offset = 0xc000,
.size = 0x1000 << 2, /* 4096 * 4 = 16384 */
},
};
static struct stm_plat_fdma_data stx7108_fdma_platform_data = {
.hw = &stx7108_fdma_hw,
.fw = &stm_fdma_firmware_7108,
};
static struct platform_device stx7108_fdma_devices[] = {
{
.name = "stm-fdma",
.id = 0,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfda00000, 0x10000),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(27), -1),
},
.dev.platform_data = &stx7108_fdma_platform_data,
}, {
.name = "stm-fdma",
.id = 1,
.num_resources = 2,
.resource = (struct resource[2]) {
STM_PLAT_RESOURCE_MEM(0xfda10000, 0x10000),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(29), -1),
},
.dev.platform_data = &stx7108_fdma_platform_data,
}, {
.name = "stm-fdma",
.id = 2,
.num_resources = 2,
.resource = (struct resource[2]) {
STM_PLAT_RESOURCE_MEM(0xfda20000, 0x10000),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(31), -1),
},
.dev.platform_data = &stx7108_fdma_platform_data,
}
};
static struct platform_device stx7108_fdma_xbar_device = {
.name = "stm-fdma-xbar",
.id = -1,
.num_resources = 1,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfdabb000, 0x1000),
},
};
/* Hardware RNG resources ------------------------------------------------- */
static struct platform_device stx7108_devhwrandom_device = {
.name = "stm_hwrandom",
.id = -1,
.num_resources = 1,
.resource = (struct resource []) {
STM_PLAT_RESOURCE_MEM(0xfdabd000, 0x1000),
}
};
static struct platform_device stx7108_devrandom_device = {
.name = "stm_rng",
.id = 0,
.num_resources = 1,
.resource = (struct resource []) {
STM_PLAT_RESOURCE_MEM(0xfdabd000, 0x1000),
}
};
/* PIO ports resources ---------------------------------------------------- */
static struct platform_device stx7108_pio_devices[] = {
[0] = {
.name = "stm-gpio",
.id = 0,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd720000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(129), -1),
},
},
[1] = {
.name = "stm-gpio",
.id = 1,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd721000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(130), -1),
},
},
[2] = {
.name = "stm-gpio",
.id = 2,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd722000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(131), -1),
},
},
[3] = {
.name = "stm-gpio",
.id = 3,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd723000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(132), -1),
},
},
[4] = {
.name = "stm-gpio",
.id = 4,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd724000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(133), -1),
},
},
[5] = {
.name = "stm-gpio",
.id = 5,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd725000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(134), -1),
},
},
[6] = {
.name = "stm-gpio",
.id = 6,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd726000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(135), -1),
},
},
[7] = {
.name = "stm-gpio",
.id = 7,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd727000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(136), -1),
},
},
[8] = {
.name = "stm-gpio",
.id = 8,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd728000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(137), -1),
},
},
[9] = {
.name = "stm-gpio",
.id = 9,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd729000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(138), -1),
},
},
[10] = {
.name = "stm-gpio",
.id = 10,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfda60000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(151), -1),
},
},
[11] = {
.name = "stm-gpio",
.id = 11,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfda61000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(152), -1),
},
},
[12] = {
.name = "stm-gpio",
.id = 12,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfda62000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(153), -1),
},
},
[13] = {
.name = "stm-gpio",
.id = 13,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfda63000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(154), -1),
},
},
[14] = {
.name = "stm-gpio",
.id = 14,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfda64000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(155), -1),
},
},
[15] = {
.name = "stm-gpio",
.id = 15,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfe740000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(139), -1),
},
},
[16] = {
.name = "stm-gpio",
.id = 16,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfe741000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(140), -1),
},
},
[17] = {
.name = "stm-gpio",
.id = 17,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfe742000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(141), -1),
},
},
[18] = {
.name = "stm-gpio",
.id = 18,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfe743000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(142), -1),
},
},
[19] = {
.name = "stm-gpio",
.id = 19,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfe744000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(143), -1),
},
},
[20] = {
.name = "stm-gpio",
.id = 20,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfe745000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(144), -1),
},
},
[21] = {
.name = "stm-gpio",
.id = 21,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfe746000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(145), -1),
},
},
[22] = {
.name = "stm-gpio",
.id = 22,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfe747000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(146), -1),
},
},
[23] = {
.name = "stm-gpio",
.id = 23,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfe748000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(147), -1),
},
},
[24] = {
.name = "stm-gpio",
.id = 24,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfe749000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(148), -1),
},
},
[25] = {
.name = "stm-gpio",
.id = 25,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfe720000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(149), -1),
},
},
[26] = {
.name = "stm-gpio",
.id = 26,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfe721000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(150), -1),
},
},
};
/* Pad control registers */
static struct sysconf_field *stx7108_pio_0_14_output_enable[4];
static struct sysconf_field *stx7108_pio_0_14_pull_up[4];
static struct sysconf_field *stx7108_pio_0_14_open_drain[4];
static struct sysconf_field *stx7108_pio_15_26_output_enable[3];
static struct sysconf_field *stx7108_pio_15_26_pull_up[3];
static struct sysconf_field *stx7108_pio_15_26_open_drain[3];
static void stx7108_pio_config_direction(int port, int pin,
enum stm_pad_gpio_direction direction,
struct stx7108_pio_mode_config *custom_mode)
{
struct sysconf_field *output_enable;
struct sysconf_field *pull_up;
struct sysconf_field *open_drain;
unsigned long oe_value, pu_value, od_value;
unsigned long mask;
pr_debug("%s(port=%d, pin=%d, direction=%d)\n",
__func__, port, pin, direction);
switch (port) {
case 0 ... 14:
output_enable = stx7108_pio_0_14_output_enable[port / 4];
pull_up = stx7108_pio_0_14_pull_up[port / 4];
open_drain = stx7108_pio_0_14_open_drain[port / 4];
break;
case 15 ... 26:
port -= 15;
output_enable = stx7108_pio_15_26_output_enable[port / 4];
pull_up = stx7108_pio_15_26_pull_up[port / 4];
open_drain = stx7108_pio_15_26_open_drain[port / 4];
break;
default:
BUG();
return;
}
mask = 1 << (((port * 8) + pin) % 32);
oe_value = sysconf_read(output_enable);
pu_value = sysconf_read(pull_up);
od_value = sysconf_read(open_drain);
switch (direction) {
case stm_pad_gpio_direction_in:
/* oe = 0, pu = 0, od = 0 */
oe_value &= ~mask;
pu_value &= ~mask;
od_value &= ~mask;
break;
case stm_pad_gpio_direction_out:
/* oe = 1, pu = 0, od = 0 */
oe_value |= mask;
pu_value &= ~mask;
od_value &= ~mask;
break;
case stm_pad_gpio_direction_bidir:
/* oe = 1, pu = 0, od = 1 */
oe_value |= mask;
pu_value &= ~mask;
od_value |= mask;
break;
case stm_pad_gpio_direction_custom:
BUG_ON(!custom_mode);
if (custom_mode->oe)
oe_value |= mask;
else
oe_value &= ~mask;
if (custom_mode->pu)
pu_value |= mask;
else
pu_value &= ~mask;
if (custom_mode->od)
od_value |= mask;
else
od_value &= ~mask;
break;
default:
BUG();
break;
}
sysconf_write(output_enable, oe_value);
sysconf_write(pull_up, pu_value);
sysconf_write(open_drain, od_value);
}
/* Alternative function selector registers */
static struct sysconf_field *stx7108_pio_0_14_function[15];
static struct sysconf_field *stx7108_pio_15_26_function[12];
static void stx7108_pio_config_function(int port, int pin, int function)
{
struct sysconf_field *selector;
int offset;
unsigned long val;
pr_debug("%s(port=%d, pin=%d, function=%d)\n",
__func__, port, pin, function);
switch (port) {
case 0 ... 14:
selector = stx7108_pio_0_14_function[port];
break;
case 15 ... 26:
port -= 15;
selector = stx7108_pio_15_26_function[port];
break;
default:
BUG();
return;
}
offset = pin * 4;
val = sysconf_read(selector);
val &= ~(0xf << offset);
val |= function << offset;
sysconf_write(selector, val);
}
/* Retiming registers */
static struct sysconf_field *stx7108_pio_1_retime[2];
static struct sysconf_field *stx7108_pio_6_14_retime[9][2];
static struct sysconf_field *stx7108_pio_15_23_retime[9][2];
void stx7108_pio_config_retime(int port, int pin,
struct stx7108_pio_retime_config *config)
{
struct sysconf_field **regs;
unsigned long values[2];
unsigned long mask;
switch (port) {
case 1:
regs = stx7108_pio_1_retime;
break;
case 6 ... 14:
regs = stx7108_pio_6_14_retime[port - 6];
break;
case 15 ... 23:
regs = stx7108_pio_15_23_retime[port - 15];
break;
default:
BUG();
return;
}
values[0] = sysconf_read(regs[0]);
values[1] = sysconf_read(regs[1]);
mask = 1 << pin;
if (config->clk1notclk0 == 0)
values[0] &= ~mask;
else if (config->clk1notclk0 == 1)
values[0] |= mask;;
mask = 1 << (pin + 8);
if (config->clknotdata == 0)
values[0] &= ~mask;
else if (config->clknotdata == 1)
values[0] |= mask;
mask = 1 << (pin + 16);
if (config->delay_input == 0)
values[0] &= ~mask;
else if (config->delay_input == 1)
values[0] |= mask;
mask = 1 << (pin + 24);
if (config->double_edge == 0)
values[0] &= ~mask;
else if (config->double_edge == 1)
values[0] |= mask;
mask = 1 << pin;
if (config->invertclk == 0)
values[1] &= ~mask;
else if (config->invertclk == 1)
values[1] |= mask;
mask = 1 << (pin + 8);
if (config->retime == 0)
values[1] &= ~mask;
else if (config->retime == 1)
values[1] |= mask;
sysconf_write(regs[0], values[0]);
sysconf_write(regs[1], values[1]);
}
static int stx7108_pio_config(unsigned gpio,
enum stm_pad_gpio_direction direction, int function, void *priv)
{
int port = stm_gpio_port(gpio);
int pin = stm_gpio_pin(gpio);
struct stx7108_pio_config *config = priv;
BUG_ON(port > ARRAY_SIZE(stx7108_pio_devices));
BUG_ON(function < 0 || function > 5);
if (function == 0) {
switch (direction) {
case stm_pad_gpio_direction_in:
stm_gpio_direction(gpio, STM_GPIO_DIRECTION_IN);
break;
case stm_pad_gpio_direction_out:
stm_gpio_direction(gpio, STM_GPIO_DIRECTION_OUT);
break;
case stm_pad_gpio_direction_bidir:
stm_gpio_direction(gpio, STM_GPIO_DIRECTION_BIDIR);
break;
default:
BUG();
break;
}
} else {
stx7108_pio_config_direction(port, pin, direction,
config ? config->mode : NULL);
}
stx7108_pio_config_function(port, pin, function);
if (config && config->retime)
stx7108_pio_config_retime(port, pin, config->retime);
return 0;
}
static void __init stx7108_pio_init(void)
{
int i, j;
/* Pad control registers */
for (i = 0; i < ARRAY_SIZE(stx7108_pio_0_14_output_enable); i++) {
stx7108_pio_0_14_output_enable[i] = sysconf_claim(SYS_CFG_BANK2,
15 + i, 0, 31, "PIO Output Enable Control");
BUG_ON(!stx7108_pio_0_14_output_enable[i]);
stx7108_pio_0_14_pull_up[i] = sysconf_claim(SYS_CFG_BANK2,
19 + i, 0, 31, "PIO Pull Up Control");
BUG_ON(!stx7108_pio_0_14_pull_up[i]);
stx7108_pio_0_14_open_drain[i] = sysconf_claim(SYS_CFG_BANK2,
23 + i, 0, 31, "PIO Open Drain Control");
BUG_ON(!stx7108_pio_0_14_open_drain[i]);
}
for (i = 0; i < ARRAY_SIZE(stx7108_pio_15_26_output_enable); i++) {
stx7108_pio_15_26_output_enable[i] =
sysconf_claim(SYS_CFG_BANK4,
12 + i, 0, 31, "PIO Output Enable Control");
BUG_ON(!stx7108_pio_15_26_output_enable[i]);
stx7108_pio_15_26_pull_up[i] = sysconf_claim(SYS_CFG_BANK4,
16 + i, 0, 31, "PIO Pull Up Control");
BUG_ON(!stx7108_pio_15_26_pull_up[i]);
stx7108_pio_15_26_open_drain[i] = sysconf_claim(SYS_CFG_BANK4,
20 + i, 0, 31, "PIO Open Drain Control");
BUG_ON(!stx7108_pio_15_26_open_drain[i]);
}
/* Alternative function selector registers */
for (i = 0; i < ARRAY_SIZE(stx7108_pio_0_14_function); i++) {
stx7108_pio_0_14_function[i] = sysconf_claim(SYS_CFG_BANK2,
i, 0, 31, "PIO Alternative Function Selector");
BUG_ON(!stx7108_pio_0_14_function[i]);
}
for (i = 0; i < ARRAY_SIZE(stx7108_pio_15_26_function); i++) {
stx7108_pio_15_26_function[i] = sysconf_claim(SYS_CFG_BANK4,
i, 0, 31, "PIO Alternative Function Selector");
BUG_ON(!stx7108_pio_15_26_function[i]);
}
/* Retiming registers */
for (j = 0; j < 2; j++) {
stx7108_pio_1_retime[j] = sysconf_claim(SYS_CFG_BANK2,
32 + j, 0, 31, "PIO Retiming Configuration");
BUG_ON(!stx7108_pio_1_retime[j]);
}
for (i = 0; i < ARRAY_SIZE(stx7108_pio_6_14_retime); i++) {
for (j = 0; j < 2; j++) {
stx7108_pio_6_14_retime[i][j] =
sysconf_claim(SYS_CFG_BANK2, 34 + (i * 2) + j,
0, 31, "PIO Retiming Configuration");
BUG_ON(!stx7108_pio_6_14_retime[i][j]);
}
}
for (i = 0; i < ARRAY_SIZE(stx7108_pio_15_23_retime); i++) {
for (j = 0; j < 2; j++) {
stx7108_pio_15_23_retime[i][j] =
sysconf_claim(SYS_CFG_BANK4, 48 + (i * 2) + j,
0, 31, "PIO Retiming Configuration");
BUG_ON(!stx7108_pio_15_23_retime[i][j]);
}
}
}
/* MMC/SD resources ------------------------------------------------------ */
/* Custom PAD configuration for the MMC Host controller */
#define STX7108_PIO_MMC_CLK_OUT(_port, _pin) \
{ \
.gpio = stm_gpio(_port, _pin), \
.direction = stm_pad_gpio_direction_custom, \
.function = 1, \
.name = "MMCCLK", \
.priv = &(struct stx7108_pio_config) { \
.mode = &(struct stx7108_pio_mode_config) { \
.oe = 1, \
.pu = 1, \
.od = 1, \
}, \
}, \
}
#define STX7108_PIO_MMC_OUT(_port, _pin) \
{ \
.gpio = stm_gpio(_port, _pin), \
.direction = stm_pad_gpio_direction_custom, \
.function = 1, \
.priv = &(struct stx7108_pio_config) { \
.mode = &(struct stx7108_pio_mode_config) { \
.oe = 1, \
.pu = 1, \
.od = 1, \
}, \
}, \
}
#define STX7108_PIO_MMC_BIDIR(_port, _pin) \
{ \
.gpio = stm_gpio(_port, _pin), \
.direction = stm_pad_gpio_direction_custom, \
.function = 1, \
.priv = &(struct stx7108_pio_config) { \
.mode = &(struct stx7108_pio_mode_config) { \
.oe = 1, \
.pu = 0, \
.od = 0, \
}, \
}, \
}
#define STX7108_PIO_MMC_IN(_port, _pin) \
{ \
.gpio = stm_gpio(_port, _pin), \
.direction = stm_pad_gpio_direction_in, \
.function = 1, \
}
static struct stm_pad_config stx7108_mmc_pad_config = {
.gpios_num = 14,
.gpios = (struct stm_pad_gpio []) {
STX7108_PIO_MMC_CLK_OUT(1, 0),
STX7108_PIO_MMC_OUT(1, 1), /* MMC command */
STX7108_PIO_MMC_IN(1, 2), /* MMC Write Protection */
STX7108_PIO_MMC_IN(1, 3), /* MMC Card Detect */
STX7108_PIO_MMC_OUT(1, 4), /* MMC LED on */
STX7108_PIO_MMC_OUT(1, 5), /* MMC Card PWR */
STX7108_PIO_MMC_BIDIR(0, 0), /* MMC Data[0]*/
STX7108_PIO_MMC_BIDIR(0, 1), /* MMC Data[1]*/
STX7108_PIO_MMC_BIDIR(0, 2), /* MMC Data[2]*/
STX7108_PIO_MMC_BIDIR(0, 3), /* MMC Data[3]*/
STX7108_PIO_MMC_BIDIR(0, 4), /* MMC Data[4]*/
STX7108_PIO_MMC_BIDIR(0, 5), /* MMC Data[5]*/
STX7108_PIO_MMC_BIDIR(0, 6), /* MMC Data[6]*/
STX7108_PIO_MMC_BIDIR(0, 7), /* MMC Data[7]*/
},
};
static int mmc_pad_resources(struct sdhci_host *sdhci)
{
if (!devm_stm_pad_claim(sdhci->mmc->parent, &stx7108_mmc_pad_config,
dev_name(sdhci->mmc->parent)))
return -ENODEV;
return 0;
}
static struct sdhci_pltfm_data stx7108_mmc_platform_data = {
.init = mmc_pad_resources,
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
};
static struct platform_device stx7108_mmc_device = {
.name = "sdhci",
.id = 0,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfdaba000, 0x1000),
STM_PLAT_RESOURCE_IRQ_NAMED("mmcirq",
ILC_IRQ(120), -1),
},
.dev = {
.platform_data = &stx7108_mmc_platform_data,
}
};
#define PIO1_CFG_CLKNODATA 0x100
void __init stx7108_configure_mmc(int emmc)
{
struct sysconf_field **regs;
unsigned long value;
struct sdhci_pltfm_data *plat_data;
regs = stx7108_pio_1_retime;
value = sysconf_read(regs[0]);
value |= PIO1_CFG_CLKNODATA; /* Output clock */
sysconf_write(regs[0], value);
plat_data = &stx7108_mmc_platform_data;
if (unlikely(emmc))
plat_data->quirks |= SDHCI_QUIRK_NONREMOVABLE_CARD;
platform_device_register(&stx7108_mmc_device);
}
/* sysconf resources ------------------------------------------------------ */
static struct platform_device stx7108_sysconf_devices[] = {
{
.name = "sysconf",
.id = 0,
.num_resources = 1,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfde30000, 0x34),
},
.dev.platform_data = &(struct stm_plat_sysconf_data) {
.groups_num = 2,
.groups = (struct stm_plat_sysconf_group []) {
{
.group = SYS_STA_BANK0,
.offset = 0,
.name = "BANK0 SYS_STA",
}, {
.group = SYS_CFG_BANK0,
.offset = 4,
.name = "BANK0 SYS_CFG",
}
},
}
}, {
.name = "sysconf",
.id = 1,
.num_resources = 1,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfde20000, 0x94),
},
.dev.platform_data = &(struct stm_plat_sysconf_data) {
.groups_num = 2,
.groups = (struct stm_plat_sysconf_group []) {
{
.group = SYS_STA_BANK1,
.offset = 0,
.name = "BANK1 SYS_STA",
}, {
.group = SYS_CFG_BANK1,
.offset = 0x3c,
.name = "BANK1 SYS_CFG",
}
},
}
}, {
.name = "sysconf",
.id = 2,
.num_resources = 1,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfda50000, 0xfc),
},
.dev.platform_data = &(struct stm_plat_sysconf_data) {
.groups_num = 2,
.groups = (struct stm_plat_sysconf_group []) {
{
.group = SYS_CFG_BANK2,
.offset = 0,
.name = "BANK2 SYS_CFG",
}, {
.group = SYS_STA_BANK2,
.offset = 0xe4,
.name = "BANK2 SYS_STA",
}
},
}
}, {
.name = "sysconf",
.id = 3,
.num_resources = 1,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd500000, 0x40),
},
.dev.platform_data = &(struct stm_plat_sysconf_data) {
.groups_num = 2,
.groups = (struct stm_plat_sysconf_group []) {
{
.group = SYS_STA_BANK3,
.offset = 0,
.name = "BANK3 SYS_STA",
}, {
.group = SYS_CFG_BANK3,
.offset = 0x18,
.name = "BANK3 SYS_CFG",
}
},
}
}, {
.name = "sysconf",
.id = 4,
.num_resources = 1,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfe700000, 0x12c),
},
.dev.platform_data = &(struct stm_plat_sysconf_data) {
.groups_num = 2,
.groups = (struct stm_plat_sysconf_group []) {
{
.group = SYS_CFG_BANK4,
.offset = 0,
.name = "BANK4 SYS_CFG",
}, {
.group = SYS_STA_BANK4,
.offset = 0x11c,
.name = "BANK4 SYS_STA",
}
},
}
},
};
/* Early initialisation-----------------------------------------------------*/
/* Initialise devices which are required early in the boot process. */
void __init stx7108_early_device_init(void)
{
struct sysconf_field *sc;
unsigned long devid;
unsigned long chip_revision;
/* Initialise PIO and sysconf drivers */
sysconf_early_init(stx7108_sysconf_devices,
ARRAY_SIZE(stx7108_sysconf_devices));
stx7108_pio_init();
stm_gpio_early_init(stx7108_pio_devices,
ARRAY_SIZE(stx7108_pio_devices),
ILC_FIRST_IRQ + ILC_NR_IRQS);
stm_pad_init(ARRAY_SIZE(stx7108_pio_devices) * STM_GPIO_PINS_PER_PORT,
0, 0, stx7108_pio_config);
sc = sysconf_claim(SYS_STA_BANK1, 0, 0, 31, "devid");
devid = sysconf_read(sc);
chip_revision = (devid >> 28) + 1;
boot_cpu_data.cut_major = chip_revision;
printk(KERN_INFO "STx7108 version %ld.x, %s core\n", chip_revision,
STX7108_HOST_CORE ? "HOST" : "RT");
/* We haven't configured the LPC, so the sleep instruction may
* do bad things. Thus we disable it here. */
disable_hlt();
}
/* Pre-arch initialisation ------------------------------------------------ */
static int __init stx7108_postcore_setup(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(stx7108_pio_devices); i++)
platform_device_register(&stx7108_pio_devices[i]);
return platform_device_register(&stx7108_emi);
}
postcore_initcall(stx7108_postcore_setup);
/* Internal temperature sensor resources ---------------------------------- */
static void stx7108_temp_power(struct stm_device_state *device_state,
enum stm_device_power_state power)
{
int value = (power == stm_device_power_on) ? 1 : 0;
stm_device_sysconf_write(device_state, "TEMP_PWR", value);
}
static struct platform_device stx7108_temp_device = {
.name = "stm-temp",
.id = -1,
.dev.platform_data = &(struct plat_stm_temp_data) {
.dcorrect = { SYS_CFG_BANK1, 8, 4, 8 },
.overflow = { SYS_STA_BANK1, 7, 8, 8 },
.data = { SYS_STA_BANK1, 7, 10, 16 },
.device_config = &(struct stm_device_config) {
.sysconfs_num = 1,
.power = stx7108_temp_power,
.sysconfs = (struct stm_device_sysconf []){
STM_DEVICE_SYS_CFG_BANK(1, 8, 9, 9, "TEMP_PWR"),
},
}
},
};
/* Late initialisation ---------------------------------------------------- */
static struct platform_device *stx7108_devices[] __initdata = {
&stx7108_fdma_devices[0],
&stx7108_fdma_devices[1],
&stx7108_fdma_devices[2],
&stx7108_fdma_xbar_device,
&stx7108_sysconf_devices[0],
&stx7108_sysconf_devices[1],
&stx7108_sysconf_devices[2],
&stx7108_sysconf_devices[3],
&stx7108_sysconf_devices[4],
&stx7108_devhwrandom_device,
&stx7108_devrandom_device,
&stx7108_temp_device,
};
static int __init stx7108_devices_setup(void)
{
return platform_add_devices(stx7108_devices,
ARRAY_SIZE(stx7108_devices));
}
device_initcall(stx7108_devices_setup);
Reference in New Issue Copy Permalink