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ARM: at91: add atmel-mci support for chips and boards which can use it
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Since atmel-mci driver supports all atmel mci versions,
use it instead of the deprecated at91_mci driver.
Platform data and all related configuration are removed.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
[nicolas.ferre@atmel.com: remove at91_mci platform data]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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Ludovic Desroches authored and Nicolas Ferre committed Jul 2, 2012
1 parent 24f5c4b commit 4cf3326
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Showing 32 changed files with 375 additions and 439 deletions.
92 changes: 54 additions & 38 deletions arch/arm/mach-at91/at91rm9200_devices.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -294,9 +294,9 @@ void __init at91_add_device_cf(struct at91_cf_data *data) {}
* MMC / SD
* -------------------------------------------------------------------- */

#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
#if IS_ENABLED(CONFIG_MMC_ATMELMCI)
static u64 mmc_dmamask = DMA_BIT_MASK(32);
static struct at91_mmc_data mmc_data;
static struct mci_platform_data mmc_data;

static struct resource mmc_resources[] = {
[0] = {
Expand All @@ -312,7 +312,7 @@ static struct resource mmc_resources[] = {
};

static struct platform_device at91rm9200_mmc_device = {
.name = "at91_mci",
.name = "atmel_mci",
.id = -1,
.dev = {
.dma_mask = &mmc_dmamask,
Expand All @@ -323,53 +323,69 @@ static struct platform_device at91rm9200_mmc_device = {
.num_resources = ARRAY_SIZE(mmc_resources),
};

void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
{
unsigned int i;
unsigned int slot_count = 0;

if (!data)
return;

/* input/irq */
if (gpio_is_valid(data->det_pin)) {
at91_set_gpio_input(data->det_pin, 1);
at91_set_deglitch(data->det_pin, 1);
}
if (gpio_is_valid(data->wp_pin))
at91_set_gpio_input(data->wp_pin, 1);
if (gpio_is_valid(data->vcc_pin))
at91_set_gpio_output(data->vcc_pin, 0);

/* CLK */
at91_set_A_periph(AT91_PIN_PA27, 0);
for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {

if (data->slot_b) {
/* CMD */
at91_set_B_periph(AT91_PIN_PA8, 1);
if (!data->slot[i].bus_width)
continue;

/* DAT0, maybe DAT1..DAT3 */
at91_set_B_periph(AT91_PIN_PA9, 1);
if (data->wire4) {
at91_set_B_periph(AT91_PIN_PA10, 1);
at91_set_B_periph(AT91_PIN_PA11, 1);
at91_set_B_periph(AT91_PIN_PA12, 1);
/* input/irq */
if (gpio_is_valid(data->slot[i].detect_pin)) {
at91_set_gpio_input(data->slot[i].detect_pin, 1);
at91_set_deglitch(data->slot[i].detect_pin, 1);
}
} else {
/* CMD */
at91_set_A_periph(AT91_PIN_PA28, 1);

/* DAT0, maybe DAT1..DAT3 */
at91_set_A_periph(AT91_PIN_PA29, 1);
if (data->wire4) {
at91_set_B_periph(AT91_PIN_PB3, 1);
at91_set_B_periph(AT91_PIN_PB4, 1);
at91_set_B_periph(AT91_PIN_PB5, 1);
if (gpio_is_valid(data->slot[i].wp_pin))
at91_set_gpio_input(data->slot[i].wp_pin, 1);

switch (i) {
case 0: /* slot A */
/* CMD */
at91_set_A_periph(AT91_PIN_PA28, 1);
/* DAT0, maybe DAT1..DAT3 */
at91_set_A_periph(AT91_PIN_PA29, 1);
if (data->slot[i].bus_width == 4) {
at91_set_B_periph(AT91_PIN_PB3, 1);
at91_set_B_periph(AT91_PIN_PB4, 1);
at91_set_B_periph(AT91_PIN_PB5, 1);
}
slot_count++;
break;
case 1: /* slot B */
/* CMD */
at91_set_B_periph(AT91_PIN_PA8, 1);
/* DAT0, maybe DAT1..DAT3 */
at91_set_B_periph(AT91_PIN_PA9, 1);
if (data->slot[i].bus_width == 4) {
at91_set_B_periph(AT91_PIN_PA10, 1);
at91_set_B_periph(AT91_PIN_PA11, 1);
at91_set_B_periph(AT91_PIN_PA12, 1);
}
slot_count++;
break;
default:
printk(KERN_ERR
"AT91: SD/MMC slot %d not available\n", i);
break;
}
if (slot_count) {
/* CLK */
at91_set_A_periph(AT91_PIN_PA27, 0);

mmc_data = *data;
platform_device_register(&at91rm9200_mmc_device);
}
}

mmc_data = *data;
platform_device_register(&at91rm9200_mmc_device);
}
#else
void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {}
#endif


Expand Down
84 changes: 1 addition & 83 deletions arch/arm/mach-at91/at91sam9260_devices.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -208,93 +208,11 @@ void __init at91_add_device_eth(struct macb_platform_data *data) {}
#endif


/* --------------------------------------------------------------------
* MMC / SD
* -------------------------------------------------------------------- */

#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
static u64 mmc_dmamask = DMA_BIT_MASK(32);
static struct at91_mmc_data mmc_data;

static struct resource mmc_resources[] = {
[0] = {
.start = AT91SAM9260_BASE_MCI,
.end = AT91SAM9260_BASE_MCI + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AT91SAM9260_ID_MCI,
.end = AT91SAM9260_ID_MCI,
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device at91sam9260_mmc_device = {
.name = "at91_mci",
.id = -1,
.dev = {
.dma_mask = &mmc_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &mmc_data,
},
.resource = mmc_resources,
.num_resources = ARRAY_SIZE(mmc_resources),
};

void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
{
if (!data)
return;

/* input/irq */
if (gpio_is_valid(data->det_pin)) {
at91_set_gpio_input(data->det_pin, 1);
at91_set_deglitch(data->det_pin, 1);
}
if (gpio_is_valid(data->wp_pin))
at91_set_gpio_input(data->wp_pin, 1);
if (gpio_is_valid(data->vcc_pin))
at91_set_gpio_output(data->vcc_pin, 0);

/* CLK */
at91_set_A_periph(AT91_PIN_PA8, 0);

if (data->slot_b) {
/* CMD */
at91_set_B_periph(AT91_PIN_PA1, 1);

/* DAT0, maybe DAT1..DAT3 */
at91_set_B_periph(AT91_PIN_PA0, 1);
if (data->wire4) {
at91_set_B_periph(AT91_PIN_PA5, 1);
at91_set_B_periph(AT91_PIN_PA4, 1);
at91_set_B_periph(AT91_PIN_PA3, 1);
}
} else {
/* CMD */
at91_set_A_periph(AT91_PIN_PA7, 1);

/* DAT0, maybe DAT1..DAT3 */
at91_set_A_periph(AT91_PIN_PA6, 1);
if (data->wire4) {
at91_set_A_periph(AT91_PIN_PA9, 1);
at91_set_A_periph(AT91_PIN_PA10, 1);
at91_set_A_periph(AT91_PIN_PA11, 1);
}
}

mmc_data = *data;
platform_device_register(&at91sam9260_mmc_device);
}
#else
void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
#endif

/* --------------------------------------------------------------------
* MMC / SD Slot for Atmel MCI Driver
* -------------------------------------------------------------------- */

#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
#if IS_ENABLED(CONFIG_MMC_ATMELMCI)
static u64 mmc_dmamask = DMA_BIT_MASK(32);
static struct mci_platform_data mmc_data;

Expand Down
60 changes: 30 additions & 30 deletions arch/arm/mach-at91/at91sam9261_devices.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -137,9 +137,9 @@ void __init at91_add_device_udc(struct at91_udc_data *data) {}
* MMC / SD
* -------------------------------------------------------------------- */

#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
#if IS_ENABLED(CONFIG_MMC_ATMELMCI)
static u64 mmc_dmamask = DMA_BIT_MASK(32);
static struct at91_mmc_data mmc_data;
static struct mci_platform_data mmc_data;

static struct resource mmc_resources[] = {
[0] = {
Expand All @@ -155,7 +155,7 @@ static struct resource mmc_resources[] = {
};

static struct platform_device at91sam9261_mmc_device = {
.name = "at91_mci",
.name = "atmel_mci",
.id = -1,
.dev = {
.dma_mask = &mmc_dmamask,
Expand All @@ -166,40 +166,40 @@ static struct platform_device at91sam9261_mmc_device = {
.num_resources = ARRAY_SIZE(mmc_resources),
};

void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
{
if (!data)
return;

/* input/irq */
if (gpio_is_valid(data->det_pin)) {
at91_set_gpio_input(data->det_pin, 1);
at91_set_deglitch(data->det_pin, 1);
}
if (gpio_is_valid(data->wp_pin))
at91_set_gpio_input(data->wp_pin, 1);
if (gpio_is_valid(data->vcc_pin))
at91_set_gpio_output(data->vcc_pin, 0);

/* CLK */
at91_set_B_periph(AT91_PIN_PA2, 0);

/* CMD */
at91_set_B_periph(AT91_PIN_PA1, 1);

/* DAT0, maybe DAT1..DAT3 */
at91_set_B_periph(AT91_PIN_PA0, 1);
if (data->wire4) {
at91_set_B_periph(AT91_PIN_PA4, 1);
at91_set_B_periph(AT91_PIN_PA5, 1);
at91_set_B_periph(AT91_PIN_PA6, 1);
}
if (data->slot[0].bus_width) {
/* input/irq */
if (gpio_is_valid(data->slot[0].detect_pin)) {
at91_set_gpio_input(data->slot[0].detect_pin, 1);
at91_set_deglitch(data->slot[0].detect_pin, 1);
}
if (gpio_is_valid(data->slot[0].wp_pin))
at91_set_gpio_input(data->slot[0].wp_pin, 1);

/* CLK */
at91_set_B_periph(AT91_PIN_PA2, 0);

mmc_data = *data;
platform_device_register(&at91sam9261_mmc_device);
/* CMD */
at91_set_B_periph(AT91_PIN_PA1, 1);

/* DAT0, maybe DAT1..DAT3 */
at91_set_B_periph(AT91_PIN_PA0, 1);
if (data->slot[0].bus_width == 4) {
at91_set_B_periph(AT91_PIN_PA4, 1);
at91_set_B_periph(AT91_PIN_PA5, 1);
at91_set_B_periph(AT91_PIN_PA6, 1);
}

mmc_data = *data;
platform_device_register(&at91sam9261_mmc_device);
}
}
#else
void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {}
#endif


Expand Down
4 changes: 2 additions & 2 deletions arch/arm/mach-at91/at91sam9263.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -187,8 +187,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
CLKDEV_CON_ID("hclk", &macb_clk),
CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
CLKDEV_CON_DEV_ID("mci_clk", "at91_mci.0", &mmc0_clk),
CLKDEV_CON_DEV_ID("mci_clk", "at91_mci.1", &mmc1_clk),
CLKDEV_CON_DEV_ID("mci_clk", "atmel_mci.0", &mmc0_clk),
CLKDEV_CON_DEV_ID("mci_clk", "atmel_mci.1", &mmc1_clk),
CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb_clk),
Expand Down
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