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MIPS: Alchemy: Wire up SD controller on DB/PB1200 boards.
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Add au1xmmc platform data for PB1200/DB1200 boards and wire up the 2 SD
controllers for them.

Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Manuel Lauss authored and Ralf Baechle committed Oct 27, 2008
1 parent fa36b04 commit f591eb1
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Showing 2 changed files with 155 additions and 24 deletions.
98 changes: 74 additions & 24 deletions arch/mips/alchemy/common/platform.c
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,8 @@
#include <linux/init.h>

#include <asm/mach-au1x00/au1xxx.h>
#include <asm/mach-au1x00/au1xxx_dbdma.h>
#include <asm/mach-au1x00/au1100_mmc.h>

#define PORT(_base, _irq) \
{ \
Expand Down Expand Up @@ -163,24 +165,6 @@ static struct resource au1xxx_usb_gdt_resources[] = {
},
};

static struct resource au1xxx_mmc_resources[] = {
[0] = {
.start = SD0_PHYS_ADDR,
.end = SD0_PHYS_ADDR + 0x7ffff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = SD1_PHYS_ADDR,
.end = SD1_PHYS_ADDR + 0x7ffff,
.flags = IORESOURCE_MEM,
},
[2] = {
.start = AU1200_SD_INT,
.end = AU1200_SD_INT,
.flags = IORESOURCE_IRQ,
}
};

static u64 udc_dmamask = DMA_32BIT_MASK;

static struct platform_device au1xxx_usb_gdt_device = {
Expand Down Expand Up @@ -249,16 +233,79 @@ static struct platform_device au1200_lcd_device = {

static u64 au1xxx_mmc_dmamask = DMA_32BIT_MASK;

static struct platform_device au1xxx_mmc_device = {
extern struct au1xmmc_platform_data au1xmmc_platdata[2];

static struct resource au1200_mmc0_resources[] = {
[0] = {
.start = SD0_PHYS_ADDR,
.end = SD0_PHYS_ADDR + 0x7ffff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AU1200_SD_INT,
.end = AU1200_SD_INT,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = DSCR_CMD0_SDMS_TX0,
.end = DSCR_CMD0_SDMS_TX0,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = DSCR_CMD0_SDMS_RX0,
.end = DSCR_CMD0_SDMS_RX0,
.flags = IORESOURCE_DMA,
}
};

static struct platform_device au1200_mmc0_device = {
.name = "au1xxx-mmc",
.id = 0,
.dev = {
.dma_mask = &au1xxx_mmc_dmamask,
.coherent_dma_mask = DMA_32BIT_MASK,
.dma_mask = &au1xxx_mmc_dmamask,
.coherent_dma_mask = DMA_32BIT_MASK,
.platform_data = &au1xmmc_platdata[0],
},
.num_resources = ARRAY_SIZE(au1xxx_mmc_resources),
.resource = au1xxx_mmc_resources,
.num_resources = ARRAY_SIZE(au1200_mmc0_resources),
.resource = au1200_mmc0_resources,
};

#ifndef CONFIG_MIPS_DB1200
static struct resource au1200_mmc1_resources[] = {
[0] = {
.start = SD1_PHYS_ADDR,
.end = SD1_PHYS_ADDR + 0x7ffff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = AU1200_SD_INT,
.end = AU1200_SD_INT,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = DSCR_CMD0_SDMS_TX1,
.end = DSCR_CMD0_SDMS_TX1,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = DSCR_CMD0_SDMS_RX1,
.end = DSCR_CMD0_SDMS_RX1,
.flags = IORESOURCE_DMA,
}
};

static struct platform_device au1200_mmc1_device = {
.name = "au1xxx-mmc",
.id = 1,
.dev = {
.dma_mask = &au1xxx_mmc_dmamask,
.coherent_dma_mask = DMA_32BIT_MASK,
.platform_data = &au1xmmc_platdata[1],
},
.num_resources = ARRAY_SIZE(au1200_mmc1_resources),
.resource = au1200_mmc1_resources,
};
#endif /* #ifndef CONFIG_MIPS_DB1200 */
#endif /* #ifdef CONFIG_SOC_AU1200 */

static struct platform_device au1x00_pcmcia_device = {
Expand Down Expand Up @@ -296,7 +343,10 @@ static struct platform_device *au1xxx_platform_devices[] __initdata = {
&au1xxx_usb_gdt_device,
&au1xxx_usb_otg_device,
&au1200_lcd_device,
&au1xxx_mmc_device,
&au1200_mmc0_device,
#ifndef CONFIG_MIPS_DB1200
&au1200_mmc1_device,
#endif
#endif
#ifdef SMBUS_PSC_BASE
&pbdb_smbus_device,
Expand Down
81 changes: 81 additions & 0 deletions arch/mips/alchemy/pb1200/platform.c
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Original file line number Diff line number Diff line change
Expand Up @@ -20,9 +20,90 @@

#include <linux/dma-mapping.h>
#include <linux/init.h>
#include <linux/leds.h>
#include <linux/platform_device.h>

#include <asm/mach-au1x00/au1xxx.h>
#include <asm/mach-au1x00/au1100_mmc.h>

static int mmc_activity;

static void pb1200mmc0_set_power(void *mmc_host, int state)
{
if (state)
bcsr->board |= BCSR_BOARD_SD0PWR;
else
bcsr->board &= ~BCSR_BOARD_SD0PWR;

au_sync_delay(1);
}

static int pb1200mmc0_card_readonly(void *mmc_host)
{
return (bcsr->status & BCSR_STATUS_SD0WP) ? 1 : 0;
}

static int pb1200mmc0_card_inserted(void *mmc_host)
{
return (bcsr->sig_status & BCSR_INT_SD0INSERT) ? 1 : 0;
}

static void pb1200_mmcled_set(struct led_classdev *led,
enum led_brightness brightness)
{
if (brightness != LED_OFF) {
if (++mmc_activity == 1)
bcsr->disk_leds &= ~(1 << 8);
} else {
if (--mmc_activity == 0)
bcsr->disk_leds |= (1 << 8);
}
}

static struct led_classdev pb1200mmc_led = {
.brightness_set = pb1200_mmcled_set,
};

#ifndef CONFIG_MIPS_DB1200
static void pb1200mmc1_set_power(void *mmc_host, int state)
{
if (state)
bcsr->board |= BCSR_BOARD_SD1PWR;
else
bcsr->board &= ~BCSR_BOARD_SD1PWR;

au_sync_delay(1);
}

static int pb1200mmc1_card_readonly(void *mmc_host)
{
return (bcsr->status & BCSR_STATUS_SD1WP) ? 1 : 0;
}

static int pb1200mmc1_card_inserted(void *mmc_host)
{
return (bcsr->sig_status & BCSR_INT_SD1INSERT) ? 1 : 0;
}
#endif

const struct au1xmmc_platform_data au1xmmc_platdata[2] = {
[0] = {
.set_power = pb1200mmc0_set_power,
.card_inserted = pb1200mmc0_card_inserted,
.card_readonly = pb1200mmc0_card_readonly,
.cd_setup = NULL, /* use poll-timer in driver */
.led = &pb1200mmc_led,
},
#ifndef CONFIG_MIPS_DB1200
[1] = {
.set_power = pb1200mmc1_set_power,
.card_inserted = pb1200mmc1_card_inserted,
.card_readonly = pb1200mmc1_card_readonly,
.cd_setup = NULL, /* use poll-timer in driver */
.led = &pb1200mmc_led,
},
#endif
};

static struct resource ide_resources[] = {
[0] = {
Expand Down

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