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Merge branch 'hsmmc-init' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into devel

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This commit is contained in:
Russell King 2008-12-17 20:03:39 +00:00 committed by Russell King
commit cd4348339c
33 changed files with 1279 additions and 545 deletions
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89
arch/arm/mach-omap1/board-h2-mmc.c
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@ -12,90 +12,68 @@
* published by the Free Software Foundation.
*/
#include <linux/platform_device.h>
#include <linux/i2c/tps65010.h>
#include <mach/mmc.h>
#include <mach/gpio.h>
#ifdef CONFIG_MMC_OMAP
static int slot_cover_open;
static struct device *mmc_device;
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
static int h2_mmc_set_power(struct device *dev, int slot, int power_on,
static int mmc_set_power(struct device *dev, int slot, int power_on,
int vdd)
{
#ifdef CONFIG_MMC_DEBUG
dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
power_on ? "on" : "off", vdd);
#endif
if (slot != 0) {
dev_err(dev, "No such slot %d\n", slot + 1);
return -ENODEV;
}
if (power_on)
gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 1);
else
gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);
return 0;
}
static int h2_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
static int mmc_late_init(struct device *dev)
{
#ifdef CONFIG_MMC_DEBUG
dev_dbg(dev, "Set slot %d bus_mode %s\n", slot + 1,
bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
#endif
if (slot != 0) {
dev_err(dev, "No such slot %d\n", slot + 1);
return -ENODEV;
}
int ret;
return 0;
}
ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power");
if (ret < 0)
return ret;
static int h2_mmc_get_cover_state(struct device *dev, int slot)
{
BUG_ON(slot != 0);
return slot_cover_open;
}
void h2_mmc_slot_cover_handler(void *arg, int state)
{
if (mmc_device == NULL)
return;
slot_cover_open = state;
omap_mmc_notify_cover_event(mmc_device, 0, state);
}
static int h2_mmc_late_init(struct device *dev)
{
int ret = 0;
mmc_device = dev;
gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);
return ret;
}
static void h2_mmc_cleanup(struct device *dev)
static void mmc_shutdown(struct device *dev)
{
gpio_free(H2_TPS_GPIO_MMC_PWR_EN);
}
static struct omap_mmc_platform_data h2_mmc_data = {
/*
* H2 could use the following functions tested:
* - mmc_get_cover_state that uses OMAP_MPUIO(1)
* - mmc_get_wp that uses OMAP_MPUIO(3)
*/
static struct omap_mmc_platform_data mmc1_data = {
.nr_slots = 1,
.switch_slot = NULL,
.init = h2_mmc_late_init,
.cleanup = h2_mmc_cleanup,
.init = mmc_late_init,
.shutdown = mmc_shutdown,
.dma_mask = 0xffffffff,
.slots[0] = {
.set_power = h2_mmc_set_power,
.set_bus_mode = h2_mmc_set_bus_mode,
.get_ro = NULL,
.get_cover_state = h2_mmc_get_cover_state,
.set_power = mmc_set_power,
.ocr_mask = MMC_VDD_28_29 | MMC_VDD_30_31 |
MMC_VDD_32_33 | MMC_VDD_33_34,
.name = "mmcblk",
},
};
static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
void __init h2_mmc_init(void)
{
omap_set_mmc_info(1, &h2_mmc_data);
mmc_data[0] = &mmc1_data;
omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
}
#else
@ -104,7 +82,4 @@ void __init h2_mmc_init(void)
{
}
void h2_mmc_slot_cover_handler(void *arg, int state)
{
}
#endif

25
arch/arm/mach-omap1/board-h2.c
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@ -345,10 +345,25 @@ static void __init h2_init_smc91x(void)
}
}
static int tps_setup(struct i2c_client *client, void *context)
{
tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
return 0;
}
static struct tps65010_board tps_board = {
.base = H2_TPS_GPIO_BASE,
.outmask = 0x0f,
.setup = tps_setup,
};
static struct i2c_board_info __initdata h2_i2c_board_info[] = {
{
I2C_BOARD_INFO("tps65010", 0x48),
.irq = OMAP_GPIO_IRQ(58),
.platform_data = &tps_board,
}, {
I2C_BOARD_INFO("isp1301_omap", 0x2d),
.irq = OMAP_GPIO_IRQ(2),
@ -378,15 +393,6 @@ static struct omap_usb_config h2_usb_config __initdata = {
.pins[1] = 3,
};
static struct omap_mmc_config h2_mmc_config __initdata = {
.mmc[0] = {
.enabled = 1,
.wire4 = 1,
},
};
extern struct omap_mmc_platform_data h2_mmc_data;
static struct omap_uart_config h2_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
@ -397,7 +403,6 @@ static struct omap_lcd_config h2_lcd_config __initdata = {
static struct omap_board_config_kernel h2_config[] __initdata = {
{ OMAP_TAG_USB, &h2_usb_config },
{ OMAP_TAG_MMC, &h2_mmc_config },
{ OMAP_TAG_UART, &h2_uart_config },
{ OMAP_TAG_LCD, &h2_lcd_config },
};

100
arch/arm/mach-omap1/board-h3-mmc.c
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@ -12,94 +12,55 @@
* published by the Free Software Foundation.
*/
#include <linux/platform_device.h>
#include <linux/i2c/tps65010.h>
#include <mach/mmc.h>
#include <mach/gpio.h>
#ifdef CONFIG_MMC_OMAP
static int slot_cover_open;
static struct device *mmc_device;
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
static int h3_mmc_set_power(struct device *dev, int slot, int power_on,
static int mmc_set_power(struct device *dev, int slot, int power_on,
int vdd)
{
#ifdef CONFIG_MMC_DEBUG
dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
power_on ? "on" : "off", vdd);
#endif
if (slot != 0) {
dev_err(dev, "No such slot %d\n", slot + 1);
return -ENODEV;
}
if (power_on)
gpio_direction_output(H3_TPS_GPIO_MMC_PWR_EN, 1);
else
gpio_direction_output(H3_TPS_GPIO_MMC_PWR_EN, 0);
return 0;
}
static int h3_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
{
int ret = 0;
#ifdef CONFIG_MMC_DEBUG
dev_dbg(dev, "Set slot %d bus_mode %s\n", slot + 1,
bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
#endif
if (slot != 0) {
dev_err(dev, "No such slot %d\n", slot + 1);
return -ENODEV;
}
/* Treated on upper level */
return bus_mode;
}
static int h3_mmc_get_cover_state(struct device *dev, int slot)
{
BUG_ON(slot != 0);
return slot_cover_open;
}
void h3_mmc_slot_cover_handler(void *arg, int state)
{
if (mmc_device == NULL)
return;
slot_cover_open = state;
omap_mmc_notify_cover_event(mmc_device, 0, state);
}
static int h3_mmc_late_init(struct device *dev)
{
int ret = 0;
mmc_device = dev;
return ret;
}
static void h3_mmc_cleanup(struct device *dev)
{
}
static struct omap_mmc_platform_data h3_mmc_data = {
/*
* H3 could use the following functions tested:
* - mmc_get_cover_state that uses OMAP_MPUIO(1)
* - mmc_get_wp that maybe uses OMAP_MPUIO(3)
*/
static struct omap_mmc_platform_data mmc1_data = {
.nr_slots = 1,
.switch_slot = NULL,
.init = h3_mmc_late_init,
.cleanup = h3_mmc_cleanup,
.dma_mask = 0xffffffff,
.slots[0] = {
.set_power = h3_mmc_set_power,
.set_bus_mode = h3_mmc_set_bus_mode,
.get_ro = NULL,
.get_cover_state = h3_mmc_get_cover_state,
.set_power = mmc_set_power,
.ocr_mask = MMC_VDD_28_29 | MMC_VDD_30_31 |
MMC_VDD_32_33 | MMC_VDD_33_34,
.name = "mmcblk",
},
};
static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
void __init h3_mmc_init(void)
{
omap_set_mmc_info(1, &h3_mmc_data);
int ret;
ret = gpio_request(H3_TPS_GPIO_MMC_PWR_EN, "MMC power");
if (ret < 0)
return;
gpio_direction_output(H3_TPS_GPIO_MMC_PWR_EN, 0);
mmc_data[0] = &mmc1_data;
omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
}
#else
@ -108,7 +69,4 @@ void __init h3_mmc_init(void)
{
}
void h3_mmc_slot_cover_handler(void *arg, int state)
{
}
#endif

10
arch/arm/mach-omap1/board-h3.c
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@ -447,15 +447,6 @@ static struct omap_usb_config h3_usb_config __initdata = {
.pins[1] = 3,
};
static struct omap_mmc_config h3_mmc_config __initdata = {
.mmc[0] = {
.enabled = 1,
.wire4 = 1,
},
};
extern struct omap_mmc_platform_data h3_mmc_data;
static struct omap_uart_config h3_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
@ -466,7 +457,6 @@ static struct omap_lcd_config h3_lcd_config __initdata = {
static struct omap_board_config_kernel h3_config[] __initdata = {
{ OMAP_TAG_USB, &h3_usb_config },
{ OMAP_TAG_MMC, &h3_mmc_config },
{ OMAP_TAG_UART, &h3_uart_config },
{ OMAP_TAG_LCD, &h3_lcd_config },
};

50
arch/arm/mach-omap1/board-innovator.c
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@ -39,6 +39,7 @@
#include <mach/common.h>
#include <mach/mcbsp.h>
#include <mach/omap-alsa.h>
#include <mach/mmc.h>
static int innovator_keymap[] = {
KEY(0, 0, KEY_F1),
@ -360,16 +361,49 @@ static struct omap_lcd_config innovator1610_lcd_config __initdata = {
};
#endif
static struct omap_mmc_config innovator_mmc_config __initdata = {
.mmc [0] = {
.enabled = 1,
.wire4 = 1,
.wp_pin = OMAP_MPUIO(3),
.power_pin = -1, /* FPGA F3 UIO42 */
.switch_pin = -1, /* FPGA F4 UIO43 */
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
static int mmc_set_power(struct device *dev, int slot, int power_on,
int vdd)
{
if (power_on)
fpga_write(fpga_read(OMAP1510_FPGA_POWER) | (1 << 3),
OMAP1510_FPGA_POWER);
else
fpga_write(fpga_read(OMAP1510_FPGA_POWER) & ~(1 << 3),
OMAP1510_FPGA_POWER);
return 0;
}
/*
* Innovator could use the following functions tested:
* - mmc_get_wp that uses OMAP_MPUIO(3)
* - mmc_get_cover_state that uses FPGA F4 UIO43
*/
static struct omap_mmc_platform_data mmc1_data = {
.nr_slots = 1,
.slots[0] = {
.set_power = mmc_set_power,
.wires = 4,
.name = "mmcblk",
},
};
static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
void __init innovator_mmc_init(void)
{
mmc_data[0] = &mmc1_data;
omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
}
#else
static inline void innovator_mmc_init(void)
{
}
#endif
static struct omap_uart_config innovator_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
@ -377,7 +411,6 @@ static struct omap_uart_config innovator_uart_config __initdata = {
static struct omap_board_config_kernel innovator_config[] = {
{ OMAP_TAG_USB, NULL },
{ OMAP_TAG_LCD, NULL },
{ OMAP_TAG_MMC, &innovator_mmc_config },
{ OMAP_TAG_UART, &innovator_uart_config },
};
@ -412,6 +445,7 @@ static void __init innovator_init(void)
omap_board_config_size = ARRAY_SIZE(innovator_config);
omap_serial_init();
omap_register_i2c_bus(1, 100, NULL, 0);
innovator_mmc_init();
}
static void __init innovator_map_io(void)

74
arch/arm/mach-omap1/board-nokia770.c
View File

@ -35,6 +35,7 @@
#include <mach/aic23.h>
#include <mach/omapfb.h>
#include <mach/lcd_mipid.h>
#include <mach/mmc.h>
#define ADS7846_PENDOWN_GPIO 15
@ -173,26 +174,68 @@ static struct omap_usb_config nokia770_usb_config __initdata = {
.pins[0] = 6,
};
static struct omap_mmc_config nokia770_mmc_config __initdata = {
.mmc[0] = {
.enabled = 0,
.wire4 = 0,
.wp_pin = -1,
.power_pin = -1,
.switch_pin = -1,
},
.mmc[1] = {
.enabled = 0,
.wire4 = 0,
.wp_pin = -1,
.power_pin = -1,
.switch_pin = -1,
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
#define NOKIA770_GPIO_MMC_POWER 41
#define NOKIA770_GPIO_MMC_SWITCH 23
static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
int vdd)
{
if (power_on)
gpio_set_value(NOKIA770_GPIO_MMC_POWER, 1);
else
gpio_set_value(NOKIA770_GPIO_MMC_POWER, 0);
return 0;
}
static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
{
return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
}
static struct omap_mmc_platform_data nokia770_mmc2_data = {
.nr_slots = 1,
.dma_mask = 0xffffffff,
.slots[0] = {
.set_power = nokia770_mmc_set_power,
.get_cover_state = nokia770_mmc_get_cover_state,
.name = "mmcblk",
},
};
static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];
static void __init nokia770_mmc_init(void)
{
int ret;
ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
if (ret < 0)
return;
gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);
ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
if (ret < 0) {
gpio_free(NOKIA770_GPIO_MMC_POWER);
return;
}
gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);
/* Only the second MMC controller is used */
nokia770_mmc_data[1] = &nokia770_mmc2_data;
omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
}
#else
static inline void nokia770_mmc_init(void)
{
}
#endif
static struct omap_board_config_kernel nokia770_config[] __initdata = {
{ OMAP_TAG_USB, NULL },
{ OMAP_TAG_MMC, &nokia770_mmc_config },
};
#if defined(CONFIG_OMAP_DSP)
@ -335,6 +378,7 @@ static void __init omap_nokia770_init(void)
omap_dsp_init();
ads7846_dev_init();
mipid_dev_init();
nokia770_mmc_init();
}
static void __init omap_nokia770_map_io(void)

1
arch/arm/mach-omap1/board-palmte.c
View File

@ -316,7 +316,6 @@ static void palmte_get_power_status(struct apm_power_info *info, int *battery)
static struct omap_board_config_kernel palmte_config[] __initdata = {
{ OMAP_TAG_USB, &palmte_usb_config },
{ OMAP_TAG_MMC, &palmte_mmc_config },
{ OMAP_TAG_LCD, &palmte_lcd_config },
{ OMAP_TAG_UART, &palmte_uart_config },
};

11
arch/arm/mach-omap1/board-palmz71.c
View File

@ -267,16 +267,6 @@ static struct omap_usb_config palmz71_usb_config __initdata = {
.pins[0] = 2,
};
static struct omap_mmc_config palmz71_mmc_config __initdata = {
.mmc[0] = {
.enabled = 1,
.wire4 = 0,
.wp_pin = PALMZ71_MMC_WP_GPIO,
.power_pin = -1,
.switch_pin = PALMZ71_MMC_IN_GPIO,
},
};
static struct omap_lcd_config palmz71_lcd_config __initdata = {
.ctrl_name = "internal",
};
@ -287,7 +277,6 @@ static struct omap_uart_config palmz71_uart_config __initdata = {
static struct omap_board_config_kernel palmz71_config[] __initdata = {
{OMAP_TAG_USB, &palmz71_usb_config},
{OMAP_TAG_MMC, &palmz71_mmc_config},
{OMAP_TAG_LCD, &palmz71_lcd_config},
{OMAP_TAG_UART, &palmz71_uart_config},
};

80
arch/arm/mach-omap1/board-sx1-mmc.c
View File

@ -12,30 +12,20 @@
* published by the Free Software Foundation.
*/
#include <linux/platform_device.h>
#include <mach/hardware.h>
#include <mach/mmc.h>
#include <mach/gpio.h>
#ifdef CONFIG_MMC_OMAP
static int slot_cover_open;
static struct device *mmc_device;
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
static int sx1_mmc_set_power(struct device *dev, int slot, int power_on,
static int mmc_set_power(struct device *dev, int slot, int power_on,
int vdd)
{
int err;
u8 dat = 0;
#ifdef CONFIG_MMC_DEBUG
dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
power_on ? "on" : "off", vdd);
#endif
if (slot != 0) {
dev_err(dev, "No such slot %d\n", slot + 1);
return -ENODEV;
}
err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
if (err < 0)
return err;
@ -48,68 +38,23 @@ static int sx1_mmc_set_power(struct device *dev, int slot, int power_on,
return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
}
static int sx1_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
{
#ifdef CONFIG_MMC_DEBUG
dev_dbg(dev, "Set slot %d bus_mode %s\n", slot + 1,
bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
#endif
if (slot != 0) {
dev_err(dev, "No such slot %d\n", slot + 1);
return -ENODEV;
}
return 0;
}
static int sx1_mmc_get_cover_state(struct device *dev, int slot)
{
BUG_ON(slot != 0);
return slot_cover_open;
}
void sx1_mmc_slot_cover_handler(void *arg, int state)
{
if (mmc_device == NULL)
return;
slot_cover_open = state;
omap_mmc_notify_cover_event(mmc_device, 0, state);
}
static int sx1_mmc_late_init(struct device *dev)
{
int ret = 0;
mmc_device = dev;
return ret;
}
static void sx1_mmc_cleanup(struct device *dev)
{
}
static struct omap_mmc_platform_data sx1_mmc_data = {
/* Cover switch is at OMAP_MPUIO(3) */
static struct omap_mmc_platform_data mmc1_data = {
.nr_slots = 1,
.switch_slot = NULL,
.init = sx1_mmc_late_init,
.cleanup = sx1_mmc_cleanup,
.slots[0] = {
.set_power = sx1_mmc_set_power,
.set_bus_mode = sx1_mmc_set_bus_mode,
.get_ro = NULL,
.get_cover_state = sx1_mmc_get_cover_state,
.set_power = mmc_set_power,
.ocr_mask = MMC_VDD_28_29 | MMC_VDD_30_31 |
MMC_VDD_32_33 | MMC_VDD_33_34,
.name = "mmcblk",
},
};
static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];
void __init sx1_mmc_init(void)
{
omap_set_mmc_info(1, &sx1_mmc_data);
mmc_data[0] = &mmc1_data;
omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
}
#else
@ -118,7 +63,4 @@ void __init sx1_mmc_init(void)
{
}
void sx1_mmc_slot_cover_handler(void *arg, int state)
{
}
#endif

10
arch/arm/mach-omap1/board-sx1.c
View File

@ -378,15 +378,6 @@ static struct omap_usb_config sx1_usb_config __initdata = {
.pins[2] = 0,
};
/*----------- MMC -------------------------*/
static struct omap_mmc_config sx1_mmc_config __initdata = {
.mmc [0] = {
.enabled = 1,
.wire4 = 0,
},
};
/*----------- LCD -------------------------*/
static struct platform_device sx1_lcd_device = {
@ -414,7 +405,6 @@ static struct omap_uart_config sx1_uart_config __initdata = {
static struct omap_board_config_kernel sx1_config[] __initdata = {
{ OMAP_TAG_USB, &sx1_usb_config },
{ OMAP_TAG_MMC, &sx1_mmc_config },
{ OMAP_TAG_LCD, &sx1_lcd_config },
{ OMAP_TAG_UART, &sx1_uart_config },
};

10
arch/arm/mach-omap1/board-voiceblue.c
View File

@ -15,6 +15,7 @@
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/notifier.h>
@ -140,21 +141,12 @@ static struct omap_usb_config voiceblue_usb_config __initdata = {
.pins[2] = 6,
};
static struct omap_mmc_config voiceblue_mmc_config __initdata = {
.mmc[0] = {
.enabled = 1,
.power_pin = 2,
.switch_pin = -1,
},
};
static struct omap_uart_config voiceblue_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
static struct omap_board_config_kernel voiceblue_config[] = {
{ OMAP_TAG_USB, &voiceblue_usb_config },
{ OMAP_TAG_MMC, &voiceblue_mmc_config },
{ OMAP_TAG_UART, &voiceblue_uart_config },
};

3
arch/arm/mach-omap1/clock.h
View File

@ -705,7 +705,6 @@ static struct clk bclk_16xx = {
static struct clk mmc1_ck = {
.name = "mmc_ck",
.id = 1,
/* Functional clock is direct from ULPD, interface clock is ARMPER */
.parent = &armper_ck.clk,
.rate = 48000000,
@ -720,7 +719,7 @@ static struct clk mmc1_ck = {
static struct clk mmc2_ck = {
.name = "mmc_ck",
.id = 2,
.id = 1,
/* Functional clock is direct from ULPD, interface clock is ARMPER */
.parent = &armper_ck.clk,
.rate = 48000000,

90
arch/arm/mach-omap1/devices.c
View File

@ -22,6 +22,7 @@
#include <mach/board.h>
#include <mach/mux.h>
#include <mach/gpio.h>
#include <mach/mmc.h>
/*-------------------------------------------------------------------------*/
@ -99,6 +100,95 @@ static inline void omap_init_mbox(void)
static inline void omap_init_mbox(void) { }
#endif
/*-------------------------------------------------------------------------*/
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
int controller_nr)
{
if (controller_nr == 0) {
omap_cfg_reg(MMC_CMD);
omap_cfg_reg(MMC_CLK);
omap_cfg_reg(MMC_DAT0);
if (cpu_is_omap1710()) {
omap_cfg_reg(M15_1710_MMC_CLKI);
omap_cfg_reg(P19_1710_MMC_CMDDIR);
omap_cfg_reg(P20_1710_MMC_DATDIR0);
}
if (mmc_controller->slots[0].wires == 4) {
omap_cfg_reg(MMC_DAT1);
/* NOTE: DAT2 can be on W10 (here) or M15 */
if (!mmc_controller->slots[0].nomux)
omap_cfg_reg(MMC_DAT2);
omap_cfg_reg(MMC_DAT3);
}
}
/* Block 2 is on newer chips, and has many pinout options */
if (cpu_is_omap16xx() && controller_nr == 1) {
if (!mmc_controller->slots[1].nomux) {
omap_cfg_reg(Y8_1610_MMC2_CMD);
omap_cfg_reg(Y10_1610_MMC2_CLK);
omap_cfg_reg(R18_1610_MMC2_CLKIN);
omap_cfg_reg(W8_1610_MMC2_DAT0);
if (mmc_controller->slots[1].wires == 4) {
omap_cfg_reg(V8_1610_MMC2_DAT1);
omap_cfg_reg(W15_1610_MMC2_DAT2);
omap_cfg_reg(R10_1610_MMC2_DAT3);
}
/* These are needed for the level shifter */
omap_cfg_reg(V9_1610_MMC2_CMDDIR);
omap_cfg_reg(V5_1610_MMC2_DATDIR0);
omap_cfg_reg(W19_1610_MMC2_DATDIR1);
}
/* Feedback clock must be set on OMAP-1710 MMC2 */
if (cpu_is_omap1710())
omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
MOD_CONF_CTRL_1);
}
}
void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers)
{
int i;
for (i = 0; i < nr_controllers; i++) {
unsigned long base, size;
unsigned int irq = 0;
if (!mmc_data[i])
continue;
omap1_mmc_mux(mmc_data[i], i);
switch (i) {
case 0:
base = OMAP1_MMC1_BASE;
irq = INT_MMC;
break;
case 1:
if (!cpu_is_omap16xx())
return;
base = OMAP1_MMC2_BASE;
irq = INT_1610_MMC2;
break;
default:
continue;
}
size = OMAP1_MMC_SIZE;
omap_mmc_add(i, base, size, irq, mmc_data[i]);
};
}
#endif
/*-------------------------------------------------------------------------*/
#if defined(CONFIG_OMAP_STI)
#define OMAP1_STI_BASE 0xfffea000

15
arch/arm/mach-omap2/Makefile
View File

@ -27,10 +27,15 @@ obj-$(CONFIG_ARCH_OMAP3) += clock34xx.o
# Specific board support
obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o
obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o
obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o
obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o
obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o
obj-$(CONFIG_MACH_OVERO) += board-overo.o
obj-$(CONFIG_MACH_OMAP3_PANDORA) += board-omap3pandora.o
obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_OVERO) += board-overo.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_OMAP3_PANDORA) += board-omap3pandora.o \
mmc-twl4030.o

48
arch/arm/mach-omap2/board-2430sdp.c
View File

@ -19,6 +19,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/delay.h>
#include <linux/i2c/twl4030.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
@ -35,6 +36,7 @@
#include <mach/common.h>
#include <mach/gpmc.h>
#include "mmc-twl4030.h"
#define SDP2430_FLASH_CS 0
#define SDP2430_SMC91X_CS 5
@ -197,12 +199,58 @@ static struct omap_board_config_kernel sdp2430_config[] = {
{OMAP_TAG_UART, &sdp2430_uart_config},
};
static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
};
static struct twl4030_platform_data sdp2430_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
/* platform_data for children goes here */
.gpio = &sdp2430_gpio_data,
};
static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = {
{
I2C_BOARD_INFO("twl4030", 0x48),
.flags = I2C_CLIENT_WAKE,
.irq = INT_24XX_SYS_NIRQ,
.platform_data = &sdp2430_twldata,
},
};
static int __init omap2430_i2c_init(void)
{
omap_register_i2c_bus(1, 400, NULL, 0);
omap_register_i2c_bus(2, 2600, sdp2430_i2c_boardinfo,
ARRAY_SIZE(sdp2430_i2c_boardinfo));
return 0;
}
static struct twl4030_hsmmc_info mmc[] __initdata = {
{
.mmc = 1,
.wires = 4,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
.ext_clock = 1,
},
{} /* Terminator */
};
static void __init omap_2430sdp_init(void)
{
omap2430_i2c_init();
platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
omap_board_config = sdp2430_config;
omap_board_config_size = ARRAY_SIZE(sdp2430_config);
omap_serial_init();
twl4030_mmc_init(mmc);
}
static void __init omap_2430sdp_map_io(void)

11
arch/arm/mach-omap2/board-apollon.c
View File

@ -261,16 +261,6 @@ static struct omap_uart_config apollon_uart_config __initdata = {
.enabled_uarts = (1 << 0) | (0 << 1) | (0 << 2),
};
static struct omap_mmc_config apollon_mmc_config __initdata = {
.mmc [0] = {
.enabled = 1,
.wire4 = 1,
.wp_pin = -1,
.power_pin = -1,
.switch_pin = -1,
},
};
static struct omap_usb_config apollon_usb_config __initdata = {
.register_dev = 1,
.hmc_mode = 0x14, /* 0:dev 1:host1 2:disable */
@ -284,7 +274,6 @@ static struct omap_lcd_config apollon_lcd_config __initdata = {
static struct omap_board_config_kernel apollon_config[] = {
{ OMAP_TAG_UART, &apollon_uart_config },
{ OMAP_TAG_MMC, &apollon_mmc_config },
{ OMAP_TAG_USB, &apollon_usb_config },
{ OMAP_TAG_LCD, &apollon_lcd_config },
};

11
arch/arm/mach-omap2/board-generic.c
View File

@ -41,19 +41,8 @@ static struct omap_uart_config generic_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
static struct omap_mmc_config generic_mmc_config __initdata = {
.mmc [0] = {
.enabled = 0,
.wire4 = 0,
.wp_pin = -1,
.power_pin = -1,
.switch_pin = -1,
},
};
static struct omap_board_config_kernel generic_config[] = {
{ OMAP_TAG_UART, &generic_uart_config },
{ OMAP_TAG_MMC, &generic_mmc_config },
};
static void __init omap_generic_init(void)

11
arch/arm/mach-omap2/board-h4.c
View File

@ -373,23 +373,12 @@ static struct omap_uart_config h4_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
static struct omap_mmc_config h4_mmc_config __initdata = {
.mmc [0] = {
.enabled = 1,
.wire4 = 1,
.wp_pin = -1,
.power_pin = -1,
.switch_pin = -1,
},
};
static struct omap_lcd_config h4_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct omap_board_config_kernel h4_config[] = {
{ OMAP_TAG_UART, &h4_uart_config },
{ OMAP_TAG_MMC, &h4_mmc_config },
{ OMAP_TAG_LCD, &h4_lcd_config },
};

40
arch/arm/mach-omap2/board-ldp.c
View File

@ -21,6 +21,7 @@
#include <linux/clk.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/i2c/twl4030.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@ -38,6 +39,8 @@
#include <asm/delay.h>
#include <mach/control.h>
#include "mmc-twl4030.h"
#define SDP3430_SMC91X_CS 3
static struct resource ldp_smc911x_resources[] = {
@ -109,14 +112,48 @@ static struct omap_board_config_kernel ldp_config[] __initdata = {
{ OMAP_TAG_UART, &ldp_uart_config },
};
static struct twl4030_gpio_platform_data ldp_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
};
static struct twl4030_platform_data ldp_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
/* platform_data for children goes here */
.gpio = &ldp_gpio_data,
};
static struct i2c_board_info __initdata ldp_i2c_boardinfo[] = {
{
I2C_BOARD_INFO("twl4030", 0x48),
.flags = I2C_CLIENT_WAKE,
.irq = INT_34XX_SYS_NIRQ,
.platform_data = &ldp_twldata,
},
};
static int __init omap_i2c_init(void)
{
omap_register_i2c_bus(1, 2600, NULL, 0);
omap_register_i2c_bus(1, 2600, ldp_i2c_boardinfo,
ARRAY_SIZE(ldp_i2c_boardinfo));
omap_register_i2c_bus(2, 400, NULL, 0);
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
}
static struct twl4030_hsmmc_info mmc[] __initdata = {
{
.mmc = 1,
.wires = 4,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
},
{} /* Terminator */
};
static void __init omap_ldp_init(void)
{
omap_i2c_init();
@ -124,6 +161,7 @@ static void __init omap_ldp_init(void)
omap_board_config = ldp_config;
omap_board_config_size = ARRAY_SIZE(ldp_config);
omap_serial_init();
twl4030_mmc_init(mmc);
}
static void __init omap_ldp_map_io(void)

90
arch/arm/mach-omap2/board-omap3beagle.c
View File

@ -38,7 +38,9 @@
#include <mach/common.h>
#include <mach/gpmc.h>
#include <mach/nand.h>
#include <mach/mux.h>
#include "mmc-twl4030.h"
#define GPMC_CS0_BASE 0x60
#define GPMC_CS_SIZE 0x30
@ -103,6 +105,78 @@ static struct omap_uart_config omap3_beagle_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
static struct twl4030_hsmmc_info mmc[] = {
{
.mmc = 1,
.wires = 8,
.gpio_wp = 29,
},
{} /* Terminator */
};
static struct gpio_led gpio_leds[];
static int beagle_twl_gpio_setup(struct device *dev,
unsigned gpio, unsigned ngpio)
{
/* gpio + 0 is "mmc0_cd" (input/IRQ) */
/* REVISIT: need ehci-omap hooks for external VBUS
* power switch and overcurrent detect
*/
gpio_request(gpio + 1, "EHCI_nOC");
gpio_direction_input(gpio + 1);
/* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
return 0;
}
static struct twl4030_gpio_platform_data beagle_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
.use_leds = true,
.pullups = BIT(1),
.pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
| BIT(15) | BIT(16) | BIT(17),
.setup = beagle_twl_gpio_setup,
};
static struct twl4030_platform_data beagle_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
/* platform_data for children goes here */
.gpio = &beagle_gpio_data,
};
static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
{
I2C_BOARD_INFO("twl4030", 0x48),
.flags = I2C_CLIENT_WAKE,
.irq = INT_34XX_SYS_NIRQ,
.platform_data = &beagle_twldata,
},
};
static int __init omap3_beagle_i2c_init(void)
{
omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
ARRAY_SIZE(beagle_i2c_boardinfo));
#ifdef CONFIG_I2C2_OMAP_BEAGLE
omap_register_i2c_bus(2, 400, NULL, 0);
#endif
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
}
static void __init omap3_beagle_init_irq(void)
{
omap2_init_common_hw();
@ -130,6 +204,11 @@ static struct gpio_led gpio_leds[] = {
.default_trigger = "mmc0",
.gpio = 149,
},
{
.name = "beagleboard::pmu_stat",
.gpio = -EINVAL, /* gets replaced */
.active_low = true,
},
};
static struct gpio_led_platform_data gpio_led_info = {
@ -218,11 +297,22 @@ static void __init omap3beagle_flash_init(void)
static void __init omap3_beagle_init(void)
{
omap3_beagle_i2c_init();
platform_add_devices(omap3_beagle_devices,
ARRAY_SIZE(omap3_beagle_devices));
omap_board_config = omap3_beagle_config;
omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
omap_serial_init();
omap_cfg_reg(AH8_34XX_GPIO29);
mmc[0].gpio_cd = gpio + 0;
twl4030_mmc_init(mmc);
omap_cfg_reg(J25_34XX_GPIO170);
gpio_request(170, "DVI_nPD");
/* REVISIT leave DVI powered down until it's needed ... */
gpio_direction_output(170, true);
omap3beagle_flash_init();
}

32
arch/arm/mach-omap2/board-omap3pandora.c
View File

@ -35,16 +35,48 @@
#include <mach/hardware.h>
#include <mach/mcspi.h>
#include "mmc-twl4030.h"
#define OMAP3_PANDORA_TS_GPIO 94
static struct twl4030_hsmmc_info omap3pandora_mmc[] = {
{
.mmc = 1,
.wires = 4,
.gpio_cd = -EINVAL,
.gpio_wp = 126,
.ext_clock = 0,
},
{
.mmc = 2,
.wires = 4,
.gpio_cd = -EINVAL,
.gpio_wp = 127,
.ext_clock = 1,
},
{} /* Terminator */
};
static struct omap_uart_config omap3pandora_uart_config __initdata = {
.enabled_uarts = (1 << 2), /* UART3 */
};
static int omap3pandora_twl_gpio_setup(struct device *dev,
unsigned gpio, unsigned ngpio)
{
/* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
omap3pandora_mmc[0].gpio_cd = gpio + 0;
omap3pandora_mmc[1].gpio_cd = gpio + 1;
twl4030_mmc_init(omap3pandora_mmc);
return 0;
}
static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
.setup = omap3pandora_twl_gpio_setup,
};
static struct twl4030_usb_data omap3pandora_usb_data = {

43
arch/arm/mach-omap2/board-overo.c
View File

@ -26,6 +26,7 @@
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/i2c/twl4030.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
@ -44,6 +45,8 @@
#include <mach/hardware.h>
#include <mach/nand.h>
#include "mmc-twl4030.h"
#define NAND_BLOCK_SIZE SZ_128K
#define GPMC_CS0_BASE 0x60
#define GPMC_CS_SIZE 0x30
@ -139,8 +142,31 @@ static struct omap_uart_config overo_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
static struct twl4030_gpio_platform_data overo_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
};
static struct twl4030_platform_data overo_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
.gpio = &overo_gpio_data,
};
static struct i2c_board_info __initdata overo_i2c_boardinfo[] = {
{
I2C_BOARD_INFO("twl4030", 0x48),
.flags = I2C_CLIENT_WAKE,
.irq = INT_34XX_SYS_NIRQ,
.platform_data = &overo_twldata,
},
};
static int __init overo_i2c_init(void)
{
omap_register_i2c_bus(1, 2600, overo_i2c_boardinfo,
ARRAY_SIZE(overo_i2c_boardinfo));
/* i2c2 pins are used for gpio */
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
@ -171,6 +197,22 @@ static struct platform_device *overo_devices[] __initdata = {
&overo_lcd_device,
};
static struct twl4030_hsmmc_info mmc[] __initdata = {
{
.mmc = 1,
.wires = 4,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
},
{
.mmc = 2,
.wires = 4,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
},
{} /* Terminator */
};
static void __init overo_init(void)
{
overo_i2c_init();
@ -178,6 +220,7 @@ static void __init overo_init(void)
omap_board_config = overo_config;
omap_board_config_size = ARRAY_SIZE(overo_config);
omap_serial_init();
twl4030_mmc_init(mmc);
overo_flash_init();
if ((gpio_request(OVERO_GPIO_W2W_NRESET,

9
arch/arm/mach-omap2/clock24xx.h
View File

@ -2522,7 +2522,6 @@ static struct clk usbhs_ick = {
static struct clk mmchs1_ick = {
.name = "mmchs_ick",
.id = 1,
.parent = &l4_ck,
.flags = CLOCK_IN_OMAP243X,
.clkdm_name = "core_l4_clkdm",
@ -2533,7 +2532,6 @@ static struct clk mmchs1_ick = {
static struct clk mmchs1_fck = {
.name = "mmchs_fck",
.id = 1,
.parent = &func_96m_ck,
.flags = CLOCK_IN_OMAP243X,
.clkdm_name = "core_l3_clkdm",
@ -2544,7 +2542,7 @@ static struct clk mmchs1_fck = {
static struct clk mmchs2_ick = {
.name = "mmchs_ick",
.id = 2,
.id = 1,
.parent = &l4_ck,
.flags = CLOCK_IN_OMAP243X,
.clkdm_name = "core_l4_clkdm",
@ -2555,7 +2553,7 @@ static struct clk mmchs2_ick = {
static struct clk mmchs2_fck = {
.name = "mmchs_fck",
.id = 2,
.id = 1,
.parent = &func_96m_ck,
.flags = CLOCK_IN_OMAP243X,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2),
@ -2595,7 +2593,6 @@ static struct clk mdm_intc_ick = {
static struct clk mmchsdb1_fck = {
.name = "mmchsdb_fck",
.id = 1,
.parent = &func_32k_ck,
.flags = CLOCK_IN_OMAP243X,
.clkdm_name = "core_l4_clkdm",
@ -2606,7 +2603,7 @@ static struct clk mmchsdb1_fck = {
static struct clk mmchsdb2_fck = {
.name = "mmchsdb_fck",
.id = 2,
.id = 1,
.parent = &func_32k_ck,
.flags = CLOCK_IN_OMAP243X,
.clkdm_name = "core_l4_clkdm",

10
arch/arm/mach-omap2/clock34xx.h
View File

@ -1374,7 +1374,7 @@ static struct clk core_96m_fck = {
static struct clk mmchs3_fck = {
.name = "mmchs_fck",
.id = 3,
.id = 2,
.parent = &core_96m_fck,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
.enable_bit = OMAP3430ES2_EN_MMC3_SHIFT,
@ -1385,7 +1385,7 @@ static struct clk mmchs3_fck = {
static struct clk mmchs2_fck = {
.name = "mmchs_fck",
.id = 2,
.id = 1,
.parent = &core_96m_fck,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
.enable_bit = OMAP3430_EN_MMC2_SHIFT,
@ -1406,7 +1406,6 @@ static struct clk mspro_fck = {
static struct clk mmchs1_fck = {
.name = "mmchs_fck",
.id = 1,
.parent = &core_96m_fck,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
.enable_bit = OMAP3430_EN_MMC1_SHIFT,
@ -1722,7 +1721,7 @@ static struct clk usbtll_ick = {
static struct clk mmchs3_ick = {
.name = "mmchs_ick",
.id = 3,
.id = 2,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430ES2_EN_MMC3_SHIFT,
@ -1774,7 +1773,7 @@ static struct clk des2_ick = {
static struct clk mmchs2_ick = {
.name = "mmchs_ick",
.id = 2,
.id = 1,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_MMC2_SHIFT,
@ -1785,7 +1784,6 @@ static struct clk mmchs2_ick = {
static struct clk mmchs1_ick = {
.name = "mmchs_ick",
.id = 1,
.parent = &core_l4_ick,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1),
.enable_bit = OMAP3430_EN_MMC1_SHIFT,

169
arch/arm/mach-omap2/devices.c
View File

@ -14,16 +14,19 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/map.h>
#include <mach/control.h>
#include <mach/tc.h>
#include <mach/board.h>
#include <mach/mux.h>
#include <mach/gpio.h>
#include <mach/eac.h>
#include <mach/mmc.h>
#if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
#define OMAP2_MBOX_BASE IO_ADDRESS(OMAP24XX_MAILBOX_BASE)
@ -295,6 +298,171 @@ static void omap_init_sha1_md5(void)
static inline void omap_init_sha1_md5(void) { }
#endif
/*-------------------------------------------------------------------------*/
#ifdef CONFIG_ARCH_OMAP3
#define MMCHS_SYSCONFIG 0x0010
#define MMCHS_SYSCONFIG_SWRESET (1 << 1)
#define MMCHS_SYSSTATUS 0x0014
#define MMCHS_SYSSTATUS_RESETDONE (1 << 0)
static struct platform_device dummy_pdev = {
.dev = {
.bus = &platform_bus_type,
},
};
/**
* omap_hsmmc_reset() - Full reset of each HS-MMC controller
*
* Ensure that each MMC controller is fully reset. Controllers
* left in an unknown state (by bootloader) may prevent retention
* or OFF-mode. This is especially important in cases where the
* MMC driver is not enabled, _or_ built as a module.
*
* In order for reset to work, interface, functional and debounce
* clocks must be enabled. The debounce clock comes from func_32k_clk
* and is not under SW control, so we only enable i- and f-clocks.
**/
static void __init omap_hsmmc_reset(void)
{
u32 i, nr_controllers = cpu_is_omap34xx() ? OMAP34XX_NR_MMC :
OMAP24XX_NR_MMC;
for (i = 0; i < nr_controllers; i++) {
u32 v, base = 0;
struct clk *iclk, *fclk;
struct device *dev = &dummy_pdev.dev;
switch (i) {
case 0:
base = OMAP2_MMC1_BASE;
break;
case 1:
base = OMAP2_MMC2_BASE;
break;
case 2:
base = OMAP3_MMC3_BASE;
break;
}
dummy_pdev.id = i;
iclk = clk_get(dev, "mmchs_ick");
if (iclk && clk_enable(iclk))
iclk = NULL;
fclk = clk_get(dev, "mmchs_fck");
if (fclk && clk_enable(fclk))
fclk = NULL;
if (!iclk || !fclk) {
printk(KERN_WARNING
"%s: Unable to enable clocks for MMC%d, "
"cannot reset.\n", __func__, i);
break;
}
omap_writel(MMCHS_SYSCONFIG_SWRESET, base + MMCHS_SYSCONFIG);
v = omap_readl(base + MMCHS_SYSSTATUS);
while (!(omap_readl(base + MMCHS_SYSSTATUS) &
MMCHS_SYSSTATUS_RESETDONE))
cpu_relax();
if (fclk) {
clk_disable(fclk);
clk_put(fclk);
}
if (iclk) {
clk_disable(iclk);
clk_put(iclk);
}
}
}
#else
static inline void omap_hsmmc_reset(void) {}
#endif
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
int controller_nr)
{
if (cpu_is_omap2420() && controller_nr == 0) {
omap_cfg_reg(H18_24XX_MMC_CMD);
omap_cfg_reg(H15_24XX_MMC_CLKI);
omap_cfg_reg(G19_24XX_MMC_CLKO);
omap_cfg_reg(F20_24XX_MMC_DAT0);
omap_cfg_reg(F19_24XX_MMC_DAT_DIR0);
omap_cfg_reg(G18_24XX_MMC_CMD_DIR);
if (mmc_controller->slots[0].wires == 4) {
omap_cfg_reg(H14_24XX_MMC_DAT1);
omap_cfg_reg(E19_24XX_MMC_DAT2);
omap_cfg_reg(D19_24XX_MMC_DAT3);
omap_cfg_reg(E20_24XX_MMC_DAT_DIR1);
omap_cfg_reg(F18_24XX_MMC_DAT_DIR2);
omap_cfg_reg(E18_24XX_MMC_DAT_DIR3);
}
/*
* Use internal loop-back in MMC/SDIO Module Input Clock
* selection
*/
if (mmc_controller->slots[0].internal_clock) {
u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
v |= (1 << 24);
omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
}
}
}
void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers)
{
int i;
for (i = 0; i < nr_controllers; i++) {
unsigned long base, size;
unsigned int irq = 0;
if (!mmc_data[i])
continue;
omap2_mmc_mux(mmc_data[i], i);
switch (i) {
case 0:
base = OMAP2_MMC1_BASE;
irq = INT_24XX_MMC_IRQ;
break;
case 1:
base = OMAP2_MMC2_BASE;
irq = INT_24XX_MMC2_IRQ;
break;
case 2:
if (!cpu_is_omap34xx())
return;
base = OMAP3_MMC3_BASE;
irq = INT_34XX_MMC3_IRQ;
break;
default:
continue;
}
if (cpu_is_omap2420())
size = OMAP2420_MMC_SIZE;
else
size = HSMMC_SIZE;
omap_mmc_add(i, base, size, irq, mmc_data[i]);
};
}
#endif
/*-------------------------------------------------------------------------*/
#if defined(CONFIG_HDQ_MASTER_OMAP) || defined(CONFIG_HDQ_MASTER_OMAP_MODULE)
#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3430)
#define OMAP_HDQ_BASE 0x480B2000
@ -334,6 +502,7 @@ static int __init omap2_init_devices(void)
/* please keep these calls, and their implementations above,
* in alphabetical order so they're easier to sort through.
*/
omap_hsmmc_reset();
omap_init_mbox();
omap_init_mcspi();
omap_hdq_init();

408
arch/arm/mach-omap2/mmc-twl4030.c Normal file
View File

@ -0,0 +1,408 @@
/*
* linux/arch/arm/mach-omap2/mmc-twl4030.c
*
* Copyright (C) 2007-2008 Texas Instruments
* Copyright (C) 2008 Nokia Corporation
* Author: Texas Instruments
*
* 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/err.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/i2c/twl4030.h>
#include <mach/hardware.h>
#include <mach/control.h>
#include <mach/mmc.h>
#include <mach/board.h>
#include "mmc-twl4030.h"
#if defined(CONFIG_TWL4030_CORE) && \
(defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE))
#define LDO_CLR 0x00
#define VSEL_S2_CLR 0x40
#define VMMC1_DEV_GRP 0x27
#define VMMC1_CLR 0x00
#define VMMC1_315V 0x03
#define VMMC1_300V 0x02
#define VMMC1_285V 0x01
#define VMMC1_185V 0x00
#define VMMC1_DEDICATED 0x2A
#define VMMC2_DEV_GRP 0x2B
#define VMMC2_CLR 0x40
#define VMMC2_315V 0x0c
#define VMMC2_300V 0x0b
#define VMMC2_285V 0x0a
#define VMMC2_260V 0x08
#define VMMC2_185V 0x06
#define VMMC2_DEDICATED 0x2E
#define VMMC_DEV_GRP_P1 0x20
static u16 control_pbias_offset;
static u16 control_devconf1_offset;
#define HSMMC_NAME_LEN 9
static struct twl_mmc_controller {
struct omap_mmc_platform_data *mmc;
u8 twl_vmmc_dev_grp;
u8 twl_mmc_dedicated;
char name[HSMMC_NAME_LEN];
} hsmmc[] = {
{
.twl_vmmc_dev_grp = VMMC1_DEV_GRP,
.twl_mmc_dedicated = VMMC1_DEDICATED,
},
{
.twl_vmmc_dev_grp = VMMC2_DEV_GRP,
.twl_mmc_dedicated = VMMC2_DEDICATED,
},
};
static int twl_mmc_card_detect(int irq)
{
unsigned i;
for (i = 0; i < ARRAY_SIZE(hsmmc); i++) {
struct omap_mmc_platform_data *mmc;
mmc = hsmmc[i].mmc;
if (!mmc)
continue;
if (irq != mmc->slots[0].card_detect_irq)
continue;
/* NOTE: assumes card detect signal is active-low */
return !gpio_get_value_cansleep(mmc->slots[0].switch_pin);
}
return -ENOSYS;
}
static int twl_mmc_get_ro(struct device *dev, int slot)
{
struct omap_mmc_platform_data *mmc = dev->platform_data;
/* NOTE: assumes write protect signal is active-high */
return gpio_get_value_cansleep(mmc->slots[0].gpio_wp);
}
/*
* MMC Slot Initialization.
*/
static int twl_mmc_late_init(struct device *dev)
{
struct omap_mmc_platform_data *mmc = dev->platform_data;
int ret = 0;
int i;
ret = gpio_request(mmc->slots[0].switch_pin, "mmc_cd");
if (ret)
goto done;
ret = gpio_direction_input(mmc->slots[0].switch_pin);
if (ret)
goto err;
for (i = 0; i < ARRAY_SIZE(hsmmc); i++) {
if (hsmmc[i].name == mmc->slots[0].name) {
hsmmc[i].mmc = mmc;
break;
}
}
return 0;
err:
gpio_free(mmc->slots[0].switch_pin);
done:
mmc->slots[0].card_detect_irq = 0;
mmc->slots[0].card_detect = NULL;
dev_err(dev, "err %d configuring card detect\n", ret);
return ret;
}
static void twl_mmc_cleanup(struct device *dev)
{
struct omap_mmc_platform_data *mmc = dev->platform_data;
gpio_free(mmc->slots[0].switch_pin);
}
#ifdef CONFIG_PM
static int twl_mmc_suspend(struct device *dev, int slot)
{
struct omap_mmc_platform_data *mmc = dev->platform_data;
disable_irq(mmc->slots[0].card_detect_irq);
return 0;
}
static int twl_mmc_resume(struct device *dev, int slot)
{
struct omap_mmc_platform_data *mmc = dev->platform_data;
enable_irq(mmc->slots[0].card_detect_irq);
return 0;
}
#else
#define twl_mmc_suspend NULL
#define twl_mmc_resume NULL
#endif
/*
* Sets the MMC voltage in twl4030
*/
static int twl_mmc_set_voltage(struct twl_mmc_controller *c, int vdd)
{
int ret;
u8 vmmc, dev_grp_val;
switch (1 << vdd) {
case MMC_VDD_35_36:
case MMC_VDD_34_35:
case MMC_VDD_33_34:
case MMC_VDD_32_33:
case MMC_VDD_31_32:
case MMC_VDD_30_31:
if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
vmmc = VMMC1_315V;
else
vmmc = VMMC2_315V;
break;
case MMC_VDD_29_30:
if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
vmmc = VMMC1_315V;
else
vmmc = VMMC2_300V;
break;
case MMC_VDD_27_28:
case MMC_VDD_26_27:
if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
vmmc = VMMC1_285V;
else
vmmc = VMMC2_285V;
break;
case MMC_VDD_25_26:
case MMC_VDD_24_25:
case MMC_VDD_23_24:
case MMC_VDD_22_23:
case MMC_VDD_21_22:
case MMC_VDD_20_21:
if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
vmmc = VMMC1_285V;
else
vmmc = VMMC2_260V;
break;
case MMC_VDD_165_195:
if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
vmmc = VMMC1_185V;
else
vmmc = VMMC2_185V;
break;
default:
vmmc = 0;
break;
}
if (vmmc)
dev_grp_val = VMMC_DEV_GRP_P1; /* Power up */
else
dev_grp_val = LDO_CLR; /* Power down */
ret = twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
dev_grp_val, c->twl_vmmc_dev_grp);
if (ret)
return ret;
ret = twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
vmmc, c->twl_mmc_dedicated);
return ret;
}
static int twl_mmc1_set_power(struct device *dev, int slot, int power_on,
int vdd)
{
u32 reg;
int ret = 0;
struct twl_mmc_controller *c = &hsmmc[0];
struct omap_mmc_platform_data *mmc = dev->platform_data;
if (power_on) {
if (cpu_is_omap2430()) {
reg = omap_ctrl_readl(OMAP243X_CONTROL_DEVCONF1);
if ((1 << vdd) >= MMC_VDD_30_31)
reg |= OMAP243X_MMC1_ACTIVE_OVERWRITE;
else
reg &= ~OMAP243X_MMC1_ACTIVE_OVERWRITE;
omap_ctrl_writel(reg, OMAP243X_CONTROL_DEVCONF1);
}
if (mmc->slots[0].internal_clock) {
reg = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
reg |= OMAP2_MMCSDIO1ADPCLKISEL;
omap_ctrl_writel(reg, OMAP2_CONTROL_DEVCONF0);
}
reg = omap_ctrl_readl(control_pbias_offset);
reg |= OMAP2_PBIASSPEEDCTRL0;
reg &= ~OMAP2_PBIASLITEPWRDNZ0;
omap_ctrl_writel(reg, control_pbias_offset);
ret = twl_mmc_set_voltage(c, vdd);
/* 100ms delay required for PBIAS configuration */
msleep(100);
reg = omap_ctrl_readl(control_pbias_offset);
reg |= (OMAP2_PBIASLITEPWRDNZ0 | OMAP2_PBIASSPEEDCTRL0);
if ((1 << vdd) <= MMC_VDD_165_195)
reg &= ~OMAP2_PBIASLITEVMODE0;
else
reg |= OMAP2_PBIASLITEVMODE0;
omap_ctrl_writel(reg, control_pbias_offset);
} else {
reg = omap_ctrl_readl(control_pbias_offset);
reg &= ~OMAP2_PBIASLITEPWRDNZ0;
omap_ctrl_writel(reg, control_pbias_offset);
ret = twl_mmc_set_voltage(c, 0);
/* 100ms delay required for PBIAS configuration */
msleep(100);
reg = omap_ctrl_readl(control_pbias_offset);
reg |= (OMAP2_PBIASSPEEDCTRL0 | OMAP2_PBIASLITEPWRDNZ0 |
OMAP2_PBIASLITEVMODE0);
omap_ctrl_writel(reg, control_pbias_offset);
}
return ret;
}
static int twl_mmc2_set_power(struct device *dev, int slot, int power_on, int vdd)
{
int ret;
struct twl_mmc_controller *c = &hsmmc[1];
struct omap_mmc_platform_data *mmc = dev->platform_data;
if (power_on) {
if (mmc->slots[0].internal_clock) {
u32 reg;
reg = omap_ctrl_readl(control_devconf1_offset);
reg |= OMAP2_MMCSDIO2ADPCLKISEL;
omap_ctrl_writel(reg, control_devconf1_offset);
}
ret = twl_mmc_set_voltage(c, vdd);
} else {
ret = twl_mmc_set_voltage(c, 0);
}
return ret;
}
static struct omap_mmc_platform_data *hsmmc_data[OMAP34XX_NR_MMC] __initdata;
void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers)
{
struct twl4030_hsmmc_info *c;
int nr_hsmmc = ARRAY_SIZE(hsmmc_data);
if (cpu_is_omap2430()) {
control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE;
control_devconf1_offset = OMAP243X_CONTROL_DEVCONF1;
nr_hsmmc = 2;
} else {
control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1;
}
for (c = controllers; c->mmc; c++) {
struct twl_mmc_controller *twl = hsmmc + c->mmc - 1;
struct omap_mmc_platform_data *mmc = hsmmc_data[c->mmc - 1];
if (!c->mmc || c->mmc > nr_hsmmc) {
pr_debug("MMC%d: no such controller\n", c->mmc);
continue;
}
if (mmc) {
pr_debug("MMC%d: already configured\n", c->mmc);
continue;
}
mmc = kzalloc(sizeof(struct omap_mmc_platform_data), GFP_KERNEL);
if (!mmc) {
pr_err("Cannot allocate memory for mmc device!\n");
return;
}
sprintf(twl->name, "mmc%islot%i", c->mmc, 1);
mmc->slots[0].name = twl->name;
mmc->nr_slots = 1;
mmc->slots[0].ocr_mask = MMC_VDD_165_195 |
MMC_VDD_26_27 | MMC_VDD_27_28 |
MMC_VDD_29_30 |
MMC_VDD_30_31 | MMC_VDD_31_32;
mmc->slots[0].wires = c->wires;
mmc->slots[0].internal_clock = !c->ext_clock;
mmc->dma_mask = 0xffffffff;
/* note: twl4030 card detect GPIOs normally switch VMMCx ... */
if (gpio_is_valid(c->gpio_cd)) {
mmc->init = twl_mmc_late_init;
mmc->cleanup = twl_mmc_cleanup;
mmc->suspend = twl_mmc_suspend;
mmc->resume = twl_mmc_resume;
mmc->slots[0].switch_pin = c->gpio_cd;
mmc->slots[0].card_detect_irq = gpio_to_irq(c->gpio_cd);
mmc->slots[0].card_detect = twl_mmc_card_detect;
} else
mmc->slots[0].switch_pin = -EINVAL;
/* write protect normally uses an OMAP gpio */
if (gpio_is_valid(c->gpio_wp)) {
gpio_request(c->gpio_wp, "mmc_wp");
gpio_direction_input(c->gpio_wp);
mmc->slots[0].gpio_wp = c->gpio_wp;
mmc->slots[0].get_ro = twl_mmc_get_ro;
} else
mmc->slots[0].gpio_wp = -EINVAL;
/* NOTE: we assume OMAP's MMC1 and MMC2 use
* the TWL4030's VMMC1 and VMMC2, respectively;
* and that OMAP's MMC3 isn't used.
*/
switch (c->mmc) {
case 1:
mmc->slots[0].set_power = twl_mmc1_set_power;
break;
case 2:
mmc->slots[0].set_power = twl_mmc2_set_power;
break;
default:
pr_err("MMC%d configuration not supported!\n", c->mmc);
continue;
}
hsmmc_data[c->mmc - 1] = mmc;
}
omap2_init_mmc(hsmmc_data, OMAP34XX_NR_MMC);
}
#endif

29
arch/arm/mach-omap2/mmc-twl4030.h Normal file
View File

@ -0,0 +1,29 @@
/*
* MMC definitions for OMAP2
*
* 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.
*/
struct twl4030_hsmmc_info {
u8 mmc; /* controller 1/2/3 */
u8 wires; /* 1/4/8 wires */
int gpio_cd; /* or -EINVAL */
int gpio_wp; /* or -EINVAL */
int ext_clock:1; /* use external pin for input clock */
};
#if defined(CONFIG_TWL4030_CORE) && \
(defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE))
void twl4030_mmc_init(struct twl4030_hsmmc_info *);
#else
static inline void twl4030_mmc_init(struct twl4030_hsmmc_info *info)
{
}
#endif

219
arch/arm/plat-omap/devices.c
View File

@ -192,202 +192,48 @@ void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
/*-------------------------------------------------------------------------*/
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
#define OMAP_MMC1_BASE 0x4809c000
#define OMAP_MMC1_END (OMAP_MMC1_BASE + 0x1fc)
#define OMAP_MMC1_INT INT_24XX_MMC_IRQ
#define OMAP_MMC_NR_RES 2
#define OMAP_MMC2_BASE 0x480b4000
#define OMAP_MMC2_END (OMAP_MMC2_BASE + 0x1fc)
#define OMAP_MMC2_INT INT_24XX_MMC2_IRQ
#else
#define OMAP_MMC1_BASE 0xfffb7800
#define OMAP_MMC1_END (OMAP_MMC1_BASE + 0x7f)
#define OMAP_MMC1_INT INT_MMC
#define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */
#define OMAP_MMC2_END (OMAP_MMC2_BASE + 0x7f)
#define OMAP_MMC2_INT INT_1610_MMC2
#endif
static struct omap_mmc_platform_data mmc1_data;
static u64 mmc1_dmamask = 0xffffffff;
static struct resource mmc1_resources[] = {
{
.start = OMAP_MMC1_BASE,
.end = OMAP_MMC1_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP_MMC1_INT,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device mmc_omap_device1 = {
.name = "mmci-omap",
.id = 1,
.dev = {
.dma_mask = &mmc1_dmamask,
.platform_data = &mmc1_data,
},
.num_resources = ARRAY_SIZE(mmc1_resources),
.resource = mmc1_resources,
};
#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \
defined(CONFIG_ARCH_OMAP34XX)
static struct omap_mmc_platform_data mmc2_data;
static u64 mmc2_dmamask = 0xffffffff;
static struct resource mmc2_resources[] = {
{
.start = OMAP_MMC2_BASE,
.end = OMAP_MMC2_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP_MMC2_INT,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device mmc_omap_device2 = {
.name = "mmci-omap",
.id = 2,
.dev = {
.dma_mask = &mmc2_dmamask,
.platform_data = &mmc2_data,
},
.num_resources = ARRAY_SIZE(mmc2_resources),
.resource = mmc2_resources,
};
#endif
static inline void omap_init_mmc_conf(const struct omap_mmc_config *mmc_conf)
/*
* Register MMC devices. Called from mach-omap1 and mach-omap2 device init.
*/
int __init omap_mmc_add(int id, unsigned long base, unsigned long size,
unsigned int irq, struct omap_mmc_platform_data *data)
{
if (cpu_is_omap2430() || cpu_is_omap34xx())
return;
struct platform_device *pdev;
struct resource res[OMAP_MMC_NR_RES];
int ret;
if (mmc_conf->mmc[0].enabled) {
if (cpu_is_omap24xx()) {
omap_cfg_reg(H18_24XX_MMC_CMD);
omap_cfg_reg(H15_24XX_MMC_CLKI);
omap_cfg_reg(G19_24XX_MMC_CLKO);
omap_cfg_reg(F20_24XX_MMC_DAT0);
omap_cfg_reg(F19_24XX_MMC_DAT_DIR0);
omap_cfg_reg(G18_24XX_MMC_CMD_DIR);
} else {
omap_cfg_reg(MMC_CMD);
omap_cfg_reg(MMC_CLK);
omap_cfg_reg(MMC_DAT0);
if (cpu_is_omap1710()) {
omap_cfg_reg(M15_1710_MMC_CLKI);
omap_cfg_reg(P19_1710_MMC_CMDDIR);
omap_cfg_reg(P20_1710_MMC_DATDIR0);
}
}
if (mmc_conf->mmc[0].wire4) {
if (cpu_is_omap24xx()) {
omap_cfg_reg(H14_24XX_MMC_DAT1);
omap_cfg_reg(E19_24XX_MMC_DAT2);
omap_cfg_reg(D19_24XX_MMC_DAT3);
omap_cfg_reg(E20_24XX_MMC_DAT_DIR1);
omap_cfg_reg(F18_24XX_MMC_DAT_DIR2);
omap_cfg_reg(E18_24XX_MMC_DAT_DIR3);
} else {
omap_cfg_reg(MMC_DAT1);
/* NOTE: DAT2 can be on W10 (here) or M15 */
if (!mmc_conf->mmc[0].nomux)
omap_cfg_reg(MMC_DAT2);
omap_cfg_reg(MMC_DAT3);
}
}
}
pdev = platform_device_alloc("mmci-omap", id);
if (!pdev)
return -ENOMEM;
#ifdef CONFIG_ARCH_OMAP16XX
/* block 2 is on newer chips, and has many pinout options */
if (mmc_conf->mmc[1].enabled) {
if (!mmc_conf->mmc[1].nomux) {
omap_cfg_reg(Y8_1610_MMC2_CMD);
omap_cfg_reg(Y10_1610_MMC2_CLK);
omap_cfg_reg(R18_1610_MMC2_CLKIN);
omap_cfg_reg(W8_1610_MMC2_DAT0);
if (mmc_conf->mmc[1].wire4) {
omap_cfg_reg(V8_1610_MMC2_DAT1);
omap_cfg_reg(W15_1610_MMC2_DAT2);
omap_cfg_reg(R10_1610_MMC2_DAT3);
}
memset(res, 0, OMAP_MMC_NR_RES * sizeof(struct resource));
res[0].start = base;
res[0].end = base + size - 1;
res[0].flags = IORESOURCE_MEM;
res[1].start = res[1].end = irq;
res[1].flags = IORESOURCE_IRQ;
/* These are needed for the level shifter */
omap_cfg_reg(V9_1610_MMC2_CMDDIR);
omap_cfg_reg(V5_1610_MMC2_DATDIR0);
omap_cfg_reg(W19_1610_MMC2_DATDIR1);
}
ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res));
if (ret == 0)
ret = platform_device_add_data(pdev, data, sizeof(*data));
if (ret)
goto fail;
/* Feedback clock must be set on OMAP-1710 MMC2 */
if (cpu_is_omap1710())
omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
MOD_CONF_CTRL_1);
}
#endif
ret = platform_device_add(pdev);
if (ret)
goto fail;
return 0;
fail:
platform_device_put(pdev);
return ret;
}
static void __init omap_init_mmc(void)
{
const struct omap_mmc_config *mmc_conf;
/* NOTE: assumes MMC was never (wrongly) enabled */
mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config);
if (!mmc_conf)
return;
omap_init_mmc_conf(mmc_conf);
if (mmc_conf->mmc[0].enabled) {
mmc1_data.conf = mmc_conf->mmc[0];
(void) platform_device_register(&mmc_omap_device1);
}
#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \
defined(CONFIG_ARCH_OMAP34XX)
if (mmc_conf->mmc[1].enabled) {
mmc2_data.conf = mmc_conf->mmc[1];
(void) platform_device_register(&mmc_omap_device2);
}
#endif
}
void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info)
{
switch (host) {
case 1:
mmc1_data = *info;
break;
#if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \
defined(CONFIG_ARCH_OMAP34XX)
case 2:
mmc2_data = *info;
break;
#endif
default:
BUG();
}
}
#else
static inline void omap_init_mmc(void) {}
void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info) {}
#endif
/*-------------------------------------------------------------------------*/
@ -532,7 +378,6 @@ static int __init omap_init_devices(void)
*/
omap_init_dsp();
omap_init_kp();
omap_init_mmc();
omap_init_uwire();
omap_init_wdt();
omap_init_rng();

6
arch/arm/plat-omap/include/mach/board-h2.h
View File

@ -29,13 +29,13 @@
#ifndef __ASM_ARCH_OMAP_H2_H
#define __ASM_ARCH_OMAP_H2_H
/* Placeholder for H2 specific defines */
/* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
#define OMAP1610_ETHR_START 0x04000300
#define H2_TPS_GPIO_BASE (OMAP_MAX_GPIO_LINES + 16 /* MPUIO */)
# define H2_TPS_GPIO_MMC_PWR_EN (H2_TPS_GPIO_BASE + 3)
extern void h2_mmc_init(void);
extern void h2_mmc_slot_cover_handler(void *arg, int state);
#endif /* __ASM_ARCH_OMAP_H2_H */

22
arch/arm/plat-omap/include/mach/board.h
View File

@ -16,7 +16,6 @@
/* Different peripheral ids */
#define OMAP_TAG_CLOCK 0x4f01
#define OMAP_TAG_MMC 0x4f02
#define OMAP_TAG_SERIAL_CONSOLE 0x4f03
#define OMAP_TAG_USB 0x4f04
#define OMAP_TAG_LCD 0x4f05
@ -35,27 +34,6 @@ struct omap_clock_config {
u8 system_clock_type;
};
struct omap_mmc_conf {
unsigned enabled:1;
/* nomux means "standard" muxing is wrong on this board, and that
* board-specific code handled it before common init logic.
*/
unsigned nomux:1;
/* switch pin can be for card detect (default) or card cover */
unsigned cover:1;
/* 4 wire signaling is optional, and is only used for SD/SDIO */
unsigned wire4:1;
/* use the internal clock */
unsigned internal_clock:1;
s16 power_pin;
s16 switch_pin;
s16 wp_pin;
};
struct omap_mmc_config {
struct omap_mmc_conf mmc[2];
};
struct omap_serial_console_config {
u8 console_uart;
u32 console_speed;

17
arch/arm/plat-omap/include/mach/control.h
View File

@ -74,6 +74,7 @@
#define OMAP243X_CONTROL_IVA2_BOOTADDR (OMAP2_CONTROL_GENERAL + 0x0190)
#define OMAP243X_CONTROL_IVA2_BOOTMOD (OMAP2_CONTROL_GENERAL + 0x0194)
#define OMAP243X_CONTROL_IVA2_GEMCFG (OMAP2_CONTROL_GENERAL + 0x0198)
#define OMAP243X_CONTROL_PBIAS_LITE (OMAP2_CONTROL_GENERAL + 0x0230)
/* 24xx-only CONTROL_GENERAL register offsets */
#define OMAP24XX_CONTROL_DEBOBS (OMAP2_CONTROL_GENERAL + 0x0000)
@ -140,6 +141,7 @@
#define OMAP343X_CONTROL_TEST_KEY_13 (OMAP2_CONTROL_GENERAL + 0x00fc)
#define OMAP343X_CONTROL_IVA2_BOOTADDR (OMAP2_CONTROL_GENERAL + 0x0190)
#define OMAP343X_CONTROL_IVA2_BOOTMOD (OMAP2_CONTROL_GENERAL + 0x0194)
#define OMAP343X_CONTROL_PBIAS_LITE (OMAP2_CONTROL_GENERAL + 0x02b0)
#define OMAP343X_CONTROL_TEMP_SENSOR (OMAP2_CONTROL_GENERAL + 0x02b4)
/*
@ -154,11 +156,14 @@
* and the security mode (secure, non-secure, don't care)
*/
/* CONTROL_DEVCONF0 bits */
#define OMAP2_MMCSDIO1ADPCLKISEL (1 << 24) /* MMC1 loop back clock */
#define OMAP24XX_USBSTANDBYCTRL (1 << 15)
#define OMAP2_MCBSP2_CLKS_MASK (1 << 6)
#define OMAP2_MCBSP1_CLKS_MASK (1 << 2)
/* CONTROL_DEVCONF1 bits */
#define OMAP243X_MMC1_ACTIVE_OVERWRITE (1 << 31)
#define OMAP2_MMCSDIO2ADPCLKISEL (1 << 6) /* MMC2 loop back clock */
#define OMAP2_MCBSP5_CLKS_MASK (1 << 4) /* > 242x */
#define OMAP2_MCBSP4_CLKS_MASK (1 << 2) /* > 242x */
#define OMAP2_MCBSP3_CLKS_MASK (1 << 0) /* > 242x */
@ -172,6 +177,18 @@
#define OMAP2_SYSBOOT_1_MASK (1 << 1)
#define OMAP2_SYSBOOT_0_MASK (1 << 0)
/* CONTROL_PBIAS_LITE bits */
#define OMAP343X_PBIASLITESUPPLY_HIGH1 (1 << 15)
#define OMAP343X_PBIASLITEVMODEERROR1 (1 << 11)
#define OMAP343X_PBIASSPEEDCTRL1 (1 << 10)
#define OMAP343X_PBIASLITEPWRDNZ1 (1 << 9)
#define OMAP343X_PBIASLITEVMODE1 (1 << 8)
#define OMAP343X_PBIASLITESUPPLY_HIGH0 (1 << 7)
#define OMAP343X_PBIASLITEVMODEERROR0 (1 << 3)
#define OMAP2_PBIASSPEEDCTRL0 (1 << 2)
#define OMAP2_PBIASLITEPWRDNZ0 (1 << 1)
#define OMAP2_PBIASLITEVMODE0 (1 << 0)
#ifndef __ASSEMBLY__
#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
extern void __iomem *omap_ctrl_base_get(void);

74
arch/arm/plat-omap/include/mach/mmc.h
View File

@ -17,12 +17,28 @@
#include <mach/board.h>
#define OMAP15XX_NR_MMC 1
#define OMAP16XX_NR_MMC 2
#define OMAP1_MMC_SIZE 0x080
#define OMAP1_MMC1_BASE 0xfffb7800
#define OMAP1_MMC2_BASE 0xfffb7c00 /* omap16xx only */
#define OMAP24XX_NR_MMC 2
#define OMAP34XX_NR_MMC 3
#define OMAP2420_MMC_SIZE OMAP1_MMC_SIZE
#define HSMMC_SIZE 0x200
#define OMAP2_MMC1_BASE 0x4809c000
#define OMAP2_MMC2_BASE 0x480b4000
#define OMAP3_MMC3_BASE 0x480ad000
#define HSMMC3 (1 << 2)
#define HSMMC2 (1 << 1)
#define HSMMC1 (1 << 0)
#define OMAP_MMC_MAX_SLOTS 2
struct omap_mmc_platform_data {
struct omap_mmc_conf conf;
/* number of slots on board */
/* number of slots per controller */
unsigned nr_slots:2;
/* set if your board has components or wiring that limits the
@ -41,7 +57,31 @@ struct omap_mmc_platform_data {
int (*suspend)(struct device *dev, int slot);
int (*resume)(struct device *dev, int slot);
u64 dma_mask;
struct omap_mmc_slot_data {
/* 4 wire signaling is optional, and is used for SD/SDIO/HSMMC;
* 8 wire signaling is also optional, and is used with HSMMC
*/
u8 wires;
/*
* nomux means "standard" muxing is wrong on this board, and
* that board-specific code handled it before common init logic.
*/
unsigned nomux:1;
/* switch pin can be for card detect (default) or card cover */
unsigned cover:1;
/* use the internal clock */
unsigned internal_clock:1;
s16 power_pin;
int switch_pin; /* gpio (card detect) */
int gpio_wp; /* gpio (write protect) */
int (* set_bus_mode)(struct device *dev, int slot, int bus_mode);
int (* set_power)(struct device *dev, int slot, int power_on, int vdd);
int (* get_ro)(struct device *dev, int slot);
@ -49,8 +89,8 @@ struct omap_mmc_platform_data {
/* return MMC cover switch state, can be NULL if not supported.
*
* possible return values:
* 0 - open
* 1 - closed
* 0 - closed
* 1 - open
*/
int (* get_cover_state)(struct device *dev, int slot);
@ -66,9 +106,31 @@ struct omap_mmc_platform_data {
} slots[OMAP_MMC_MAX_SLOTS];
};
extern void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info);
/* called from board-specific card detection service routine */
extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed);
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers);
void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers);
int omap_mmc_add(int id, unsigned long base, unsigned long size,
unsigned int irq, struct omap_mmc_platform_data *data);
#else
static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers)
{
}
static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
int nr_controllers)
{
}
static inline int omap_mmc_add(int id, unsigned long base, unsigned long size,
unsigned int irq, struct omap_mmc_platform_data *data)
{
return 0;
}
#endif
#endif

7
drivers/mmc/host/omap.c
View File

@ -1015,7 +1015,7 @@ static int mmc_omap_get_dma_channel(struct mmc_omap_host *host, struct mmc_data
}
if (is_read) {
if (host->id == 1) {
if (host->id == 0) {
sync_dev = OMAP_DMA_MMC_RX;
dma_dev_name = "MMC1 read";
} else {
@ -1023,7 +1023,7 @@ static int mmc_omap_get_dma_channel(struct mmc_omap_host *host, struct mmc_data
dma_dev_name = "MMC2 read";
}
} else {
if (host->id == 1) {
if (host->id == 0) {
sync_dev = OMAP_DMA_MMC_TX;
dma_dev_name = "MMC1 write";
} else {
@ -1317,7 +1317,7 @@ static int __init mmc_omap_new_slot(struct mmc_omap_host *host, int id)
host->slots[id] = slot;
mmc->caps = 0;
if (host->pdata->conf.wire4)
if (host->pdata->slots[id].wires >= 4)
mmc->caps |= MMC_CAP_4_BIT_DATA;
mmc->ops = &mmc_omap_ops;
@ -1451,6 +1451,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
host->irq = irq;
host->use_dma = 1;
host->dev->dma_mask = &pdata->dma_mask;
host->dma_ch = -1;
host->irq = irq;