sh: mach-ecevec24: Add SDHI support

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 78 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 5f9881e16e2f..cb148cfe20c2 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -376,6 +376,54 @@ static struct platform_device keysc_device = {
         },
 };
 
+/* SHDI0 */
+static struct resource sdhi0_resources[] = {
+        [0] = {
+                .name   = "SDHI0",
+                .start  = 0x04ce0000,
+                .end    = 0x04ce01ff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 101,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device sdhi0_device = {
+        .name           = "sh_mobile_sdhi",
+        .num_resources  = ARRAY_SIZE(sdhi0_resources),
+        .resource       = sdhi0_resources,
+        .id             = 0,
+        .archdata = {
+                .hwblk_id = HWBLK_SDHI0,
+        },
+};
+
+/* SHDI1 */
+static struct resource sdhi1_resources[] = {
+        [0] = {
+                .name   = "SDHI1",
+                .start  = 0x04cf0000,
+                .end    = 0x04cf01ff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = 24,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device sdhi1_device = {
+        .name           = "sh_mobile_sdhi",
+        .num_resources  = ARRAY_SIZE(sdhi1_resources),
+        .resource       = sdhi1_resources,
+        .id             = 1,
+        .archdata = {
+                .hwblk_id = HWBLK_SDHI1,
+        },
+};
+
 static struct platform_device *ecovec_devices[] __initdata = {
         &heartbeat_device,
         &nor_flash_device,
@@ -386,6 +434,8 @@ static struct platform_device *ecovec_devices[] __initdata = {
         &ceu0_device,
         &ceu1_device,
         &keysc_device,
+        &sdhi0_device,
+        &sdhi1_device,
 };
 
 #define EEPROM_ADDR 0x50
@@ -649,6 +699,34 @@ static int __init arch_setup(void)
         gpio_direction_input(GPIO_PTR5);
         gpio_direction_input(GPIO_PTR6);
 
+        /* enable SDHI0 */
+        gpio_request(GPIO_FN_SDHI0CD,  NULL);
+        gpio_request(GPIO_FN_SDHI0WP,  NULL);
+        gpio_request(GPIO_FN_SDHI0CMD, NULL);
+        gpio_request(GPIO_FN_SDHI0CLK, NULL);
+        gpio_request(GPIO_FN_SDHI0D3,  NULL);
+        gpio_request(GPIO_FN_SDHI0D2,  NULL);
+        gpio_request(GPIO_FN_SDHI0D1,  NULL);
+        gpio_request(GPIO_FN_SDHI0D0,  NULL);
+
+        /* enable SDHI1 */
+        gpio_request(GPIO_FN_SDHI1CD,  NULL);
+        gpio_request(GPIO_FN_SDHI1WP,  NULL);
+        gpio_request(GPIO_FN_SDHI1CMD, NULL);
+        gpio_request(GPIO_FN_SDHI1CLK, NULL);
+        gpio_request(GPIO_FN_SDHI1D3,  NULL);
+        gpio_request(GPIO_FN_SDHI1D2,  NULL);
+        gpio_request(GPIO_FN_SDHI1D1,  NULL);
+        gpio_request(GPIO_FN_SDHI1D0,  NULL);
+
+        gpio_request(GPIO_PTB6, NULL);
+        gpio_request(GPIO_PTB7, NULL);
+        gpio_direction_output(GPIO_PTB6, 1);
+        gpio_direction_output(GPIO_PTB7, 1);
+
+        /* I/O buffer drive ability is high for SDHI1 */
+        ctrl_outw((ctrl_inw(IODRIVEA) & ~0x3000) | 0x2000 , IODRIVEA);
+
         /* enable I2C device */
         i2c_register_board_info(1, i2c1_devices,
                                 ARRAY_SIZE(i2c1_devices));