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satip-axe/kernel/drivers/stm/stx5197.c

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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/platform_device.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/ethtool.h>
#include <linux/dma-mapping.h>
#include <linux/phy.h>
#include <linux/ata_platform.h>
#include <linux/mtd/partitions.h>
#include <linux/stm/device.h>
#include <linux/stm/sysconf.h>
#include <linux/stm/emi.h>
#include <linux/stm/stx5197.h>
#include <asm/irq-ilc.h>
/* Note that 5197 documentation defines PIO alternative functions starting
* from 0. So for the "Pad Manager" use the STX5197_GPIO_FUNCTION defines
* some other value to describe "generic PIO" mode. */
#define STX5197_GPIO_FUNCTION -42 /* Forty-two is such a nice number :-* */
/* ASC resources ---------------------------------------------------------- */
static struct stm_pad_config stx5197_asc_pad_configs[] = {
[0] = {
.gpios_num = 4,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_OUT(0, 0, 0), /* TX */
STM_PAD_PIO_IN(0, 1, -1), /* RX */
STM_PAD_PIO_IN_NAMED(0, 5, -1, "CTS"),
STM_PAD_PIO_OUT_NAMED(0, 4, 2, "RTS"),
},
},
[1] = {
.gpios_num = 4,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_OUT(4, 0, 2), /* TX */
STM_PAD_PIO_IN(4, 1, -1), /* RX */
STM_PAD_PIO_IN_NAMED(4, 3, -1, "CTS"),
STM_PAD_PIO_OUT_NAMED(4, 2, 2, "RTS"),
},
},
[2] = {
.gpios_num = 4,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_OUT(1, 2, 1), /* TX */
STM_PAD_PIO_IN(1, 3, -1), /* RX */
STM_PAD_PIO_IN_NAMED(1, 5, -1, "CTS"),
STM_PAD_PIO_OUT_NAMED(1, 4, 1, "RTS"),
},
},
[3] = {
.gpios_num = 4,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_OUT(2, 0, 1), /* TX */
STM_PAD_PIO_IN(2, 1, -1), /* RX */
STM_PAD_PIO_IN_NAMED(2, 2, -1, "CTS"),
STM_PAD_PIO_OUT_NAMED(2, 5, 1, "RTS"),
},
},
};
static struct platform_device stx5197_asc_devices[] = {
[0] = {
.name = "stm-asc",
/* .id set in stx5197_configure_asc() */
.num_resources = 4,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd130000, 0x2c),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(7), -1),
STM_PLAT_RESOURCE_DMA_NAMED("rx_half_full", 8),
STM_PLAT_RESOURCE_DMA_NAMED("tx_half_empty", 10),
},
.dev.platform_data = &(struct stm_plat_asc_data) {
.pad_config = &stx5197_asc_pad_configs[0],
},
},
[1] = {
.name = "stm-asc",
/* .id set in stx5197_configure_asc() */
.num_resources = 4,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd131000, 0x2c),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(8), -1),
STM_PLAT_RESOURCE_DMA_NAMED("rx_half_full", 9),
STM_PLAT_RESOURCE_DMA_NAMED("tx_half_empty", 11),
},
.dev.platform_data = &(struct stm_plat_asc_data) {
.pad_config = &stx5197_asc_pad_configs[1],
},
},
[2] = {
.name = "stm-asc",
/* .id set in stx5197_configure_asc() */
.num_resources = 4,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd132000, 0x2c),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(12), -1),
STM_PLAT_RESOURCE_DMA_NAMED("rx_half_full", 3),
STM_PLAT_RESOURCE_DMA_NAMED("tx_half_empty", 5),
},
.dev.platform_data = &(struct stm_plat_asc_data) {
.pad_config = &stx5197_asc_pad_configs[2],
},
},
[3] = {
.name = "stm-asc",
/* .id set in stx5197_configure_asc() */
.num_resources = 4,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd133000, 0x2c),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(13), -1),
STM_PLAT_RESOURCE_DMA_NAMED("rx_half_full", 4),
STM_PLAT_RESOURCE_DMA_NAMED("tx_half_empty", 6),
},
.dev.platform_data = &(struct stm_plat_asc_data) {
.pad_config = &stx5197_asc_pad_configs[3],
},
},
};
/* Note these three variables are global, and shared with the stasc driver
* for console bring up prior to platform initialisation. */
/* the serial console device */
int __initdata stm_asc_console_device;
/* Platform devices to register */
unsigned int __initdata stm_asc_configured_devices_num = 0;
struct platform_device __initdata
*stm_asc_configured_devices[ARRAY_SIZE(stx5197_asc_devices)];
void __init stx5197_configure_asc(int asc, struct stx5197_asc_config *config)
{
static int configured[ARRAY_SIZE(stx5197_asc_devices)];
static int tty_id;
struct stx5197_asc_config default_config = {};
struct platform_device *pdev;
struct stm_plat_asc_data *plat_data;
BUG_ON(asc < 0 || asc >= ARRAY_SIZE(stx5197_asc_devices));
BUG_ON(configured[asc]);
configured[asc] = 1;
if (!config)
config = &default_config;
pdev = &stx5197_asc_devices[asc];
plat_data = pdev->dev.platform_data;
pdev->id = tty_id++;
plat_data->hw_flow_control = config->hw_flow_control;
if (!config->hw_flow_control) {
stm_pad_set_pio_ignored(plat_data->pad_config, "RTS");
stm_pad_set_pio_ignored(plat_data->pad_config, "CTS");
}
if (config->is_console)
stm_asc_console_device = pdev->id;
stm_asc_configured_devices[stm_asc_configured_devices_num++] = pdev;
}
/* Add platform device as configured by board specific code */
static int __init stx5197_add_asc(void)
{
return platform_add_devices(stm_asc_configured_devices,
stm_asc_configured_devices_num);
}
arch_initcall(stx5197_add_asc);
/* SSC resources ---------------------------------------------------------- */
/* Pad configuration for SSC0 in I2C mode on PIO1.6/7 pads */
static struct stm_pad_config stx5197_ssc0_i2c_pio1_pad_config = {
.gpios_num = 2,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_BIDIR_NAMED(1, 6, 2, "SCL"),
STM_PAD_PIO_BIDIR_NAMED(1, 7, 2, "SDA"),
},
.sysconfs_num = 2,
.sysconfs = (struct stm_pad_sysconf []) {
/* SPI_BOOTNOTCOMMS
* 0: SSC0 -> PIO1[7:6], 1: SSC0 -> SPI */
STM_PAD_SYSCONF(CFG_CTRL_M, 14, 14, 0),
/* PIO_FUNCTIONALITY_ON_PIO1_7
* 0: QAM validation, 1: Normal PIO */
STM_PAD_SYSCONF(CFG_CTRL_I, 2, 2, 1),
},
};
/* Pad configuration for SSC0 in I2C mode on SPI pads */
static struct stm_pad_config stx5197_ssc0_i2c_spi_pad_config = {
.sysconfs_num = 1,
.sysconfs = (struct stm_pad_sysconf []) {
/* SPI_BOOTNOTCOMMS
* 0: SSC0 -> PIO1[7:6], 1: SSC0 -> SPI */
STM_PAD_SYSCONF(CFG_CTRL_M, 14, 14, 1),
},
};
/* Pad configuration for SSC0 in SPI mode (dedicated SPI pads) */
static struct stm_pad_config stx5197_ssc0_spi_pad_config = {
.sysconfs_num = 1,
.sysconfs = (struct stm_pad_sysconf []) {
/* SPI_BOOTNOTCOMMS
* 0: SSC0 -> PIO1[7:6], 1: SSC0 -> SPI */
STM_PAD_SYSCONF(CFG_CTRL_M, 14, 14, 1),
},
};
/* Pad configuration for SSC1 in I2C mode as internal QPSK bus */
static struct stm_pad_config stx5197_ssc1_i2c_qpsk_pad_config = {
.sysconfs_num = 1,
.sysconfs = (struct stm_pad_sysconf []) {
/* QPSK_DEBUG_CONFIG
* 0: IP289 I2C input from PIO1[0:1],
* 1: IP289 input from BE COMMS SSC1 */
STM_PAD_SYSCONF(CFG_CTRL_C, 1, 1, 1),
},
};
/* Pad configuration for SSC2 in I2C mode (always PIO3.3/2 pads) */
static struct stm_pad_config stx5197_ssc2_i2c_pad_config = {
.gpios_num = 2,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_BIDIR_NAMED(3, 3, 1, "SCL"),
STM_PAD_PIO_BIDIR_NAMED(3, 2, 1, "SDA"),
},
};
/* Pad configuration for SSC1 in I2C mode on QAM_SCLT/QAM_SDAT pads */
static struct stm_pad_config stx5197_ssc1_i2c_qam_pad_config = {
.sysconfs_num = 1,
.sysconfs = (struct stm_pad_sysconf []) {
/* 0: QPSK repeater interface is routed to QAM_SCLT/SDAT,
* 1: SSC1 is routed to QAM_SCLT/SDAT. */
STM_PAD_SYSCONF(CFG_CTRL_K, 27, 27, 1),
},
};
static struct platform_device stx5197_ssc_devices[] = {
[0] = {
/* .name & .id set in stx5197_configure_ssc_*() */
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd140000, 0x110),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(5), -1),
},
.dev.platform_data = &(struct stm_plat_ssc_data) {
/* .pad_config_* set in stx5197_configure_ssc_*() */
},
},
[1] = {
/* .name & .id set in stx5197_configure_ssc_*() */
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd141000, 0x110),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(6), -1),
},
.dev.platform_data = &(struct stm_plat_ssc_data) {
/* .pad_config_* set in stx5197_configure_ssc_*() */
},
},
[2] = {
/* .name & .id set in stx5197_configure_ssc_*() */
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd142000, 0x110),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(17), -1),
},
.dev.platform_data = &(struct stm_plat_ssc_data) {
.pad_config = &stx5197_ssc2_i2c_pad_config,
},
},
};
static int __initdata stx5197_ssc_configured[ARRAY_SIZE(stx5197_ssc_devices)];
int __init stx5197_configure_ssc_i2c(int ssc,
struct stx5197_ssc_i2c_config *config)
{
static int i2c_busnum;
struct stx5197_ssc_i2c_config default_config;
struct stm_plat_ssc_data *plat_data;
BUG_ON(ssc < 0 || ssc >= ARRAY_SIZE(stx5197_ssc_devices));
BUG_ON(stx5197_ssc_configured[ssc]);
stx5197_ssc_configured[ssc] = 1;
if (!config)
config = &default_config;
stx5197_ssc_devices[ssc].name = "i2c-stm";
stx5197_ssc_devices[ssc].id = i2c_busnum;
plat_data = stx5197_ssc_devices[ssc].dev.platform_data;
switch (ssc) {
case 0:
switch (config->routing.ssc0) {
case stx5197_ssc0_i2c_pio1:
plat_data->pad_config =
&stx5197_ssc0_i2c_pio1_pad_config;
break;
case stx5197_ssc0_i2c_spi:
plat_data->pad_config =
&stx5197_ssc0_i2c_spi_pad_config;
break;
default:
BUG();
break;
}
break;
case 1:
switch (config->routing.ssc1) {
case stx5197_ssc1_i2c_qpsk:
plat_data->pad_config =
&stx5197_ssc1_i2c_qpsk_pad_config;
break;
case stx5197_ssc1_i2c_qam:
plat_data->pad_config =
&stx5197_ssc1_i2c_qam_pad_config;
break;
default:
BUG();
break;
}
break;
case 2:
if (config->routing.ssc2 != stx5197_ssc2_i2c_pio3)
BUG();
/* Only one possible configuration, already set
* in device definition - nothing to do then. */
break;
default:
BUG();
break;
}
/* I2C bus number reservation (to prevent any hot-plug device
* from using it) */
i2c_register_board_info(i2c_busnum, NULL, 0);
platform_device_register(&stx5197_ssc_devices[ssc]);
return i2c_busnum++;
}
static struct sysconf_field *stx5197_ssc0_spi_cs_sc;
static void stx5197_ssc0_spi_cs(struct spi_device *spi, int is_on)
{
sysconf_write(stx5197_ssc0_spi_cs_sc, is_on ? 0 : 1);
}
int __init stx5197_configure_ssc_spi(int ssc)
{
struct stm_plat_ssc_data *plat_data;
/* Only SSC0 is SPI-capable */
BUG_ON(ssc != 0);
BUG_ON(stx5197_ssc_configured[0]);
stx5197_ssc_configured[0] = 1;
stx5197_ssc_devices[0].name = "spi-stm";
stx5197_ssc_devices[0].id = 0;
plat_data = stx5197_ssc_devices[ssc].dev.platform_data;
plat_data->pad_config = &stx5197_ssc0_spi_pad_config;
plat_data->spi_chipselect = stx5197_ssc0_spi_cs;
stx5197_ssc0_spi_cs_sc = sysconf_claim(CFG_CTRL_M,
13, 13, "ssc");
sysconf_write(stx5197_ssc0_spi_cs_sc, 1); /* CS not active (yet) */
platform_device_register(&stx5197_ssc_devices[0]);
return 0;
}
/* LiRC resources --------------------------------------------------------- */
static struct platform_device stx5197_lirc_device = {
.name = "lirc-stm",
.id = -1,
.num_resources = 3,
.resource = (struct resource []) {
STM_PLAT_RESOURCE_MEM(0xfd118000, 0x234),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(19), -1),
STM_PLAT_RESOURCE_IRQ(ILC_EXT_IRQ(4), -1),
},
.dev.platform_data = &(struct stm_plat_lirc_data) {
/* The clock settings will be calculated by
* the driver from the system clock */
.irbclock = 0, /* use current_cpu data */
.irbclkdiv = 0, /* automatically calculate */
.irbperiodmult = 0,
.irbperioddiv = 0,
.irbontimemult = 0,
.irbontimediv = 0,
.irbrxmaxperiod = 0x5000,
.sysclkdiv = 1,
.rxpolarity = 1,
},
};
void __init stx5197_configure_lirc(struct stx5197_lirc_config *config)
{
static int configured;
struct stx5197_lirc_config default_config = {};
struct stm_plat_lirc_data *plat_data =
stx5197_lirc_device.dev.platform_data;
struct stm_pad_config *pad_config;
BUG_ON(configured);
configured = 1;
if (!config)
config = &default_config;
pad_config = stm_pad_config_alloc(2, 0);
BUG_ON(!pad_config);
plat_data->txenabled = config->tx_enabled;
plat_data->pads = pad_config;
switch (config->rx_mode) {
case stx5197_lirc_rx_disabled:
/* Nothing to do */
break;
case stx5197_lirc_rx_mode_ir:
plat_data->rxuhfmode = 0;
stm_pad_config_add_pio_in(pad_config, 2, 5, -1);
break;
case stx5197_lirc_rx_mode_uhf:
plat_data->rxuhfmode = 1;
stm_pad_config_add_pio_in(pad_config, 2, 6, -1);
break;
default:
BUG();
break;
}
if (config->tx_enabled)
stm_pad_config_add_pio_out(pad_config, 2, 7, 1);
platform_device_register(&stx5197_lirc_device);
}
/* PWM resources ---------------------------------------------------------- */
static struct stm_plat_pwm_data stx5197_pwm_platform_data = {
.channel_pad_config = {
[0] = &(struct stm_pad_config) {
.gpios_num = 1,
.gpios = (struct stm_pad_gpio []) {
STM_PAD_PIO_OUT(2, 4, 1),
},
},
},
};
static struct platform_device stx5197_pwm_device = {
.name = "stm-pwm",
.id = -1,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd110000, 0x68),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(43), -1),
},
.dev.platform_data = &stx5197_pwm_platform_data,
};
void __init stx5197_configure_pwm(struct stx5197_pwm_config *config)
{
static int configured;
BUG_ON(configured);
configured = 1;
if (config)
stx5197_pwm_platform_data.channel_enabled[0] =
config->out0_enabled;
platform_device_register(&stx5197_pwm_device);
}
/* Ethernet MAC resources ------------------------------------------------- */
static struct stm_pad_config stx5197_ethernet_pad_configs[] = {
[stx5197_ethernet_mode_mii] = {
.sysconfs_num = 4,
.sysconfs = (struct stm_pad_sysconf []) {
/* Ethernet interface on */
STM_PAD_SYSCONF(CFG_CTRL_E, 0, 0, 1),
/* RMII/MII pin mode */
STM_PAD_SYSCONF(CFG_CTRL_E, 7, 8, 3),
/* MII mode */
STM_PAD_SYSCONF(CFG_CTRL_E, 2, 2, 1),
/* MII phyclk out enable: 0=output, 1=input */
STM_PAD_SYSCONF(CFG_CTRL_E, 6, 6, 0),
},
},
[stx5197_ethernet_mode_rmii] = {
.sysconfs_num = 4,
.sysconfs = (struct stm_pad_sysconf []) {
/* Ethernet interface on */
STM_PAD_SYSCONF(CFG_CTRL_E, 0, 0, 1),
/* RMII/MII pin mode */
STM_PAD_SYSCONF(CFG_CTRL_E, 7, 8, 2),
/* MII mode */
STM_PAD_SYSCONF(CFG_CTRL_E, 2, 2, 0),
/* MII phyclk out enable: 0=output, 1=input,
* set in stx5197_configure_ethernet() */
STM_PAD_SYSCONF(CFG_CTRL_E, 6, 6, -1),
},
},
};
static void stx5197_ethernet_fix_mac_speed(void *bsp_priv, unsigned int speed)
{
struct sysconf_field *mac_speed_sel = bsp_priv;
sysconf_write(mac_speed_sel, (speed == SPEED_100) ? 1 : 0);
}
static struct plat_stmmacenet_data stx5197_ethernet_platform_data = {
.pbl = 32,
.fix_mac_speed = stx5197_ethernet_fix_mac_speed,
.init = &stmmac_claim_resource,
};
static struct platform_device stx5197_ethernet_device = {
.name = "stmmaceth",
.id = -1,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfde00000, 0x10000),
STM_PLAT_RESOURCE_IRQ_NAMED("macirq", ILC_IRQ(24), -1),
},
.dev.platform_data = &stx5197_ethernet_platform_data,
};
void __init stx5197_configure_ethernet(struct stx5197_ethernet_config *config)
{
static int configured;
struct stx5197_ethernet_config default_config;
struct stm_pad_config *pad_config;
int interface;
BUG_ON(configured);
configured = 1;
if (!config)
config = &default_config;
if (config->mode == stx5197_ethernet_mode_rmii)
interface = PHY_INTERFACE_MODE_RMII;
else
interface = PHY_INTERFACE_MODE_MII;
pad_config = &stx5197_ethernet_pad_configs[config->mode];
if (config->mode == stx5197_ethernet_mode_rmii)
pad_config->sysconfs[3].value = (config->ext_clk ? 1 : 0);
stx5197_ethernet_platform_data.custom_cfg = (void *) pad_config;
stx5197_ethernet_platform_data.interface = interface;
stx5197_ethernet_platform_data.bus_id = config->phy_bus;
stx5197_ethernet_platform_data.phy_addr = config->phy_addr;
stx5197_ethernet_platform_data.mdio_bus_data = config->mdio_bus_data;
/* MAC_SPEED_SEL */
stx5197_ethernet_platform_data.bsp_priv = sysconf_claim(CFG_CTRL_E,
1, 1, "stmmac");
platform_device_register(&stx5197_ethernet_device);
}
/* USB resources ---------------------------------------------------------- */
static u64 stx5197_usb_dma_mask = DMA_BIT_MASK(32);
static void stx5197_usb_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, "USB_PWR", value);
for (i = 5; i; --i) {
if (stm_device_sysconf_read(device_state, "USB_ACK")
== value)
break;
mdelay(10);
}
return;
}
static struct stm_plat_usb_data stx5197_usb_platform_data = {
.flags = STM_PLAT_USB_FLAGS_STRAP_16BIT |
STM_PLAT_USB_FLAGS_STRAP_PLL |
STM_PLAT_USB_FLAGS_STBUS_CONFIG_THRESHOLD256,
.device_config = &(struct stm_device_config) {
.sysconfs_num = 2,
.sysconfs = (struct stm_device_sysconf []){
STM_DEVICE_SYSCONF(CFG_CTRL_H, 8, 8, "USB_PWR"),
STM_DEVICE_SYSCONF(CFG_MONITOR_E, 30, 30, "USB_ACK"),
},
.power = stx5197_usb_power,
.pad_config = &(struct stm_pad_config) {
.sysconfs_num = 1,
.sysconfs = (struct stm_pad_sysconf []) {
/* DDR enable for ULPI:
* 0 = 8 bit SDR ULPI, 1 = 4 bit DDR ULPI */
STM_PAD_SYSCONF(CFG_CTRL_M, 12, 12, 0),
},
},
},
};
static struct platform_device stx5197_usb_device = {
.name = "stm-usb",
.id = -1,
.dev = {
.dma_mask = &stx5197_usb_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &stx5197_usb_platform_data,
},
.num_resources = 6,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM_NAMED("ehci", 0xfddffe00, 0x100),
STM_PLAT_RESOURCE_IRQ_NAMED("ehci", ILC_IRQ(29), -1),
STM_PLAT_RESOURCE_MEM_NAMED("ohci", 0xfddffc00, 0x100),
STM_PLAT_RESOURCE_IRQ_NAMED("ohci", ILC_IRQ(28), -1),
STM_PLAT_RESOURCE_MEM_NAMED("wrapper", 0xfdd00000, 0x100),
STM_PLAT_RESOURCE_MEM_NAMED("protocol", 0xfddfff00, 0x100),
},
};
void __init stx5197_configure_usb(void)
{
static int configured;
BUG_ON(configured);
configured = 1;
platform_device_register(&stx5197_usb_device);
}
/* FDMA resources --------------------------------------------------------- */
static struct stm_plat_fdma_fw_regs stx5197_fdma_fw = {
.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 stx5197_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 platform_device stx5197_fdma_device = {
.name = "stm-fdma",
.id = 0,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfdb00000, 0x10000),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(34), -1),
},
.dev.platform_data = &(struct stm_plat_fdma_data) {
.hw = &stx5197_fdma_hw,
.fw = &stx5197_fdma_fw,
},
};
/* PIO ports resources ---------------------------------------------------- */
static struct platform_device stx5197_pio_devices[] = {
[0] = {
.name = "stm-gpio",
.id = 0,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd120000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(0), -1),
},
},
[1] = {
.name = "stm-gpio",
.id = 1,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd121000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(1), -1),
},
},
[2] = {
.name = "stm-gpio",
.id = 2,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd122000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(2), -1),
},
},
[3] = {
.name = "stm-gpio",
.id = 3,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd123000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(3), -1),
},
},
[4] = {
.name = "stm-gpio",
.id = 4,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd124000, 0x100),
STM_PLAT_RESOURCE_IRQ(ILC_IRQ(4), -1),
},
},
};
static int stx5197_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);
BUG_ON(port > ARRAY_SIZE(stx5197_pio_devices));
if (function == STX5197_GPIO_FUNCTION) {
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 if (direction == stm_pad_gpio_direction_in) {
BUG_ON(function != -1);
stm_gpio_direction(gpio, STM_GPIO_DIRECTION_IN);
} else {
static struct sysconf_field *cfg_ctrl_fgo[3];
struct sysconf_field *cfg;
int offset;
unsigned int value;
BUG_ON(function < 0);
BUG_ON(function > 3);
switch (direction) {
case stm_pad_gpio_direction_out:
stm_gpio_direction(gpio, STM_GPIO_DIRECTION_ALT_OUT);
break;
case stm_pad_gpio_direction_bidir:
stm_gpio_direction(gpio, STM_GPIO_DIRECTION_ALT_BIDIR);
break;
default:
BUG();
break;
}
if (!cfg_ctrl_fgo[0]) {
cfg_ctrl_fgo[0] = sysconf_claim(CFG_CTRL_F, 0, 31,
"PIO Config");
BUG_ON(!cfg_ctrl_fgo[0]);
cfg_ctrl_fgo[1] = sysconf_claim(CFG_CTRL_G, 0, 31,
"PIO Config");
BUG_ON(!cfg_ctrl_fgo[1]);
cfg_ctrl_fgo[2] = sysconf_claim(CFG_CTRL_O, 0, 15,
"PIO Config");
BUG_ON(!cfg_ctrl_fgo[2]);
}
cfg = cfg_ctrl_fgo[port / 2];
offset = (port % 2) * 16 + pin;
value = sysconf_read(cfg);
value &= ~((1 << (offset + 8)) | (1 << offset));
value |= ((function >> 1) & 1) << (offset + 8);
value |= (function & 1) << offset;
sysconf_write(cfg, value);
}
return 0;
}
/* sysconf resources ------------------------------------------------------ */
#ifdef CONFIG_DEBUG_FS
#define SYSCONF_REG(field) _SYSCONF_REG(#field, field)
#define _SYSCONF_REG(name, group, num) case num: return name
static const char *stx5197_sysconf_hd_reg_name(int num)
{
switch (num) {
SYSCONF_REG(CFG_CTRL_C);
SYSCONF_REG(CFG_CTRL_D);
SYSCONF_REG(CFG_CTRL_E);
SYSCONF_REG(CFG_CTRL_F);
SYSCONF_REG(CFG_CTRL_G);
SYSCONF_REG(CFG_CTRL_H);
SYSCONF_REG(CFG_CTRL_I);
SYSCONF_REG(CFG_CTRL_J);
SYSCONF_REG(CFG_CTRL_K);
SYSCONF_REG(CFG_CTRL_L);
SYSCONF_REG(CFG_CTRL_M);
SYSCONF_REG(CFG_CTRL_N);
SYSCONF_REG(CFG_CTRL_O);
SYSCONF_REG(CFG_CTRL_P);
SYSCONF_REG(CFG_CTRL_Q);
SYSCONF_REG(CFG_CTRL_R);
SYSCONF_REG(CFG_MONITOR_C);
SYSCONF_REG(CFG_MONITOR_D);
SYSCONF_REG(CFG_MONITOR_E);
SYSCONF_REG(CFG_MONITOR_F);
SYSCONF_REG(CFG_MONITOR_G);
SYSCONF_REG(CFG_MONITOR_H);
SYSCONF_REG(CFG_MONITOR_I);
SYSCONF_REG(CFG_MONITOR_J);
SYSCONF_REG(CFG_MONITOR_K);
SYSCONF_REG(CFG_MONITOR_L);
SYSCONF_REG(CFG_MONITOR_M);
SYSCONF_REG(CFG_MONITOR_N);
SYSCONF_REG(CFG_MONITOR_O);
SYSCONF_REG(CFG_MONITOR_P);
SYSCONF_REG(CFG_MONITOR_Q);
SYSCONF_REG(CFG_MONITOR_R);
}
return "???";
}
static const char *stx5197_sysconf_hs_reg_name(int num)
{
switch (num) {
SYSCONF_REG(CFG_CTRL_A);
SYSCONF_REG(CFG_CTRL_B);
SYSCONF_REG(CFG_MONITOR_A);
SYSCONF_REG(CFG_MONITOR_B);
}
return "???";
}
#endif
static struct platform_device stx5197_sysconf_devices[] = {
{
.name = "stm-sysconf",
.id = 0,
.num_resources = 1,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd901000, 0x80),
},
.dev.platform_data = &(struct stm_plat_sysconf_data) {
.groups_num = 1,
.groups = (struct stm_plat_sysconf_group []) {
{
.group = HD_CFG,
.offset = 0,
.name = "High Density group ",
#ifdef CONFIG_DEBUG_FS
.reg_name = stx5197_sysconf_hd_reg_name,
#endif
},
},
}
}, {
.name = "stm-sysconf",
.id = 1,
.num_resources = 1,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0xfd902000, 0x10),
},
.dev.platform_data = &(struct stm_plat_sysconf_data) {
.groups_num = 1,
.groups = (struct stm_plat_sysconf_group []) {
{
.group = HS_CFG,
.offset = 0,
.name = "High Speed group ",
#ifdef CONFIG_DEBUG_FS
.reg_name = stx5197_sysconf_hs_reg_name,
#endif
},
},
}
},
};
/* EMI resources ---------------------------------------------------------- */
static void stx5197_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;
}
static struct platform_device stx5197_emi = {
.name = "emi",
.id = -1,
.num_resources = 2,
.resource = (struct resource[]) {
STM_PLAT_RESOURCE_MEM(0, 128 * 1024 * 1024),
STM_PLAT_RESOURCE_MEM(0xfde30000, 0x874),
},
.dev.platform_data = &(struct stm_device_config){
.sysconfs_num = 2,
.sysconfs = (struct stm_device_sysconf []){
STM_DEVICE_SYSCONF(CFG_CTRL_I, 1, 1, "EMI_PWR"),
STM_DEVICE_SYSCONF(CFG_MONITOR_J, 1, 1, "EMI_ACK"),
},
.power = stx5197_emi_power,
}
};
/* Early initialisation-----------------------------------------------------*/
/* Initialise devices which are required early in the boot process. */
void __init stx5197_early_device_init(void)
{
struct sysconf_field *sc;
unsigned long devid;
unsigned long chip_revision;
/* Initialise PIO and sysconf drivers */
sysconf_early_init(stx5197_sysconf_devices, 2);
stm_gpio_early_init(stx5197_pio_devices,
ARRAY_SIZE(stx5197_pio_devices),
ILC_FIRST_IRQ + ILC_NR_IRQS);
stm_pad_init(ARRAY_SIZE(stx5197_pio_devices) * STM_GPIO_PINS_PER_PORT,
-1, STX5197_GPIO_FUNCTION, stx5197_pio_config);
sc = sysconf_claim(CFG_MONITOR_H, 0, 31, "devid");
devid = sysconf_read(sc);
chip_revision = (devid >> 28) + 1;
boot_cpu_data.cut_major = chip_revision;
printk(KERN_INFO "STx5197 version %ld.x\n", chip_revision);
/* 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 stx5197_postcore_setup(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(stx5197_pio_devices); i++)
platform_device_register(&stx5197_pio_devices[i]);
return platform_device_register(&stx5197_emi);
}
postcore_initcall(stx5197_postcore_setup);
/* Low Power Controller ---------------------------------------------------- */
static struct platform_device stx5197_rtc_device = {
.name = "stm-rtc",
.id = -1,
.num_resources = 1,
.resource = (struct resource[]){
STM_PLAT_RESOURCE_MEM(0xFDC00000, 0x1000),
},
};
/* Late initialisation ---------------------------------------------------- */
static struct platform_device *stx5197_devices[] __initdata = {
&stx5197_fdma_device,
&stx5197_sysconf_devices[0],
&stx5197_sysconf_devices[1],
&stx5197_rtc_device,
};
static int __init stx5197_devices_setup(void)
{
return platform_add_devices(stx5197_devices,
ARRAY_SIZE(stx5197_devices));
}
device_initcall(stx5197_devices_setup);
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