MIPS: Alchemy: Wire up SD controller on DB/PB1200 boards.

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>

2 files changed, 155 insertions, 24 deletions

diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
index dc8a67efac28..5c76c6448e04 100644
--- a/arch/mips/alchemy/common/platform.c
+++ b/arch/mips/alchemy/common/platform.c
@@ -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)                               \
         {                                               \
@@ -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 = {
@@ -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 = {
@@ -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,
diff --git a/arch/mips/alchemy/pb1200/platform.c b/arch/mips/alchemy/pb1200/platform.c
index f8fb0aeac571..95303297c534 100644
--- a/arch/mips/alchemy/pb1200/platform.c
+++ b/arch/mips/alchemy/pb1200/platform.c
@@ -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] = {