ARM: mach-shmobile: Kota2 MMCIF support

Add support for sh73a0 MMCIF hardware block on the
Kota2 board. A non-removable eMMC chip is used with
8 data bits on the MMC bus.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c
index d46bd9f7cea5..e1380df01315 100644
--- a/arch/arm/mach-shmobile/board-kota2.c
+++ b/arch/arm/mach-shmobile/board-kota2.c
@@ -33,6 +33,8 @@
 #include <linux/input/sh_keysc.h>
 #include <linux/gpio_keys.h>
 #include <linux/leds.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/sh_mmcif.h>
 #include <mach/hardware.h>
 #include <mach/sh73a0.h>
 #include <mach/common.h>
@@ -171,11 +173,44 @@ static struct platform_device gpio_leds_device = {
         },
 };
 
+static struct resource mmcif_resources[] = {
+        [0] = {
+                .name   = "MMCIF",
+                .start  = 0xe6bd0000,
+                .end    = 0xe6bd00ff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = gic_spi(140),
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                .start  = gic_spi(141),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct sh_mmcif_plat_data mmcif_info = {
+        .ocr            = MMC_VDD_165_195,
+        .caps           = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
+};
+
+static struct platform_device mmcif_device = {
+        .name           = "sh_mmcif",
+        .id             = 0,
+        .dev            = {
+                .platform_data          = &mmcif_info,
+        },
+        .num_resources  = ARRAY_SIZE(mmcif_resources),
+        .resource       = mmcif_resources,
+};
+
 static struct platform_device *kota2_devices[] __initdata = {
         &eth_device,
         &keysc_device,
         &gpio_keys_device,
         &gpio_leds_device,
+        &mmcif_device,
 };
 
 static struct map_desc kota2_io_desc[] __initdata = {
@@ -264,6 +299,20 @@ static void __init kota2_init(void)
         gpio_request(GPIO_FN_PORT58_KEYOUT7, NULL);
         gpio_request(GPIO_FN_KEYOUT8, NULL);
 
+        /* MMCIF */
+        gpio_request(GPIO_FN_MMCCLK0, NULL);
+        gpio_request(GPIO_FN_MMCD0_0, NULL);
+        gpio_request(GPIO_FN_MMCD0_1, NULL);
+        gpio_request(GPIO_FN_MMCD0_2, NULL);
+        gpio_request(GPIO_FN_MMCD0_3, NULL);
+        gpio_request(GPIO_FN_MMCD0_4, NULL);
+        gpio_request(GPIO_FN_MMCD0_5, NULL);
+        gpio_request(GPIO_FN_MMCD0_6, NULL);
+        gpio_request(GPIO_FN_MMCD0_7, NULL);
+        gpio_request(GPIO_FN_MMCCMD0, NULL);
+        gpio_request(GPIO_PORT208, NULL); /* Reset */
+        gpio_direction_output(GPIO_PORT208, 1);
+
 #ifdef CONFIG_CACHE_L2X0
         /* Early BRESP enable, Shared attribute override enable, 64K*8way */
         l2x0_init(__io(0xf0100000), 0x40460000, 0x82000fff);