ARM: mach-shmobile: armadillo800eva: add SDHI1 support

We can switch CON8/CON14 by SW1.5
SDHI1 is CON8 (SW1.5 = ON)

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Simon Horman <horms@verge.net.au>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

1 files changed, 65 insertions, 1 deletions

diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index ed8568635bcc..5f6242866703 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -93,7 +93,7 @@
  *     0     | Extension Bus | D8-D15 disable, eMMC enable
  *     1     | Extension Bus | D8-D15 enable,  eMMC disable
  * -12345678-+---------------+----------------------------
- *      0    | SDHI1         | COM8 enable,  COM14 disable
+ *      0    | SDHI1         | COM8 disable, COM14 enable
  *      1    | SDHI1         | COM8 enable,  COM14 disable
  * -12345678-+---------------+----------------------------
  *       0   | USB0          | COM20 enable,  COM24 disable
@@ -454,6 +454,44 @@ static struct platform_device sdhi0_device = {
         .resource       = sdhi0_resources,
 };
 
+/* SDHI1 */
+static struct sh_mobile_sdhi_info sdhi1_info = {
+        .tmio_caps      = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
+        .tmio_ocr_mask  = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
+        .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT,
+};
+
+static struct resource sdhi1_resources[] = {
+        [0] = {
+                .name   = "SDHI1",
+                .start  = 0xe6860000,
+                .end    = 0xe6860100 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = evt2irq(0x0E80),
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                .start  = evt2irq(0x0EA0),
+                .flags  = IORESOURCE_IRQ,
+        },
+        [3] = {
+                .start  = evt2irq(0x0EC0),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device sdhi1_device = {
+        .name           = "sh_mobile_sdhi",
+        .id             = 1,
+        .dev            = {
+                .platform_data  = &sdhi1_info,
+        },
+        .num_resources  = ARRAY_SIZE(sdhi1_resources),
+        .resource       = sdhi1_resources,
+};
+
 /* I2C */
 static struct i2c_board_info i2c0_devices[] = {
         {
@@ -619,6 +657,32 @@ static void __init eva_init(void)
         gpio_request(GPIO_PORT176, NULL);
         gpio_direction_output(GPIO_PORT176, 1);
 
+        /*
+         * We can switch CON8/CON14 by SW1.5,
+         * but it needs after DBGMD_SELECT_B
+         */
+        gpio_request(GPIO_PORT6, NULL);
+        gpio_direction_input(GPIO_PORT6);
+        if (gpio_get_value(GPIO_PORT6)) {
+                /* CON14 enable */
+        } else {
+                /* CON8 (SDHI1) enable */
+                gpio_request(GPIO_FN_SDHI1_CLK, NULL);
+                gpio_request(GPIO_FN_SDHI1_CMD, NULL);
+                gpio_request(GPIO_FN_SDHI1_D0,  NULL);
+                gpio_request(GPIO_FN_SDHI1_D1,  NULL);
+                gpio_request(GPIO_FN_SDHI1_D2,  NULL);
+                gpio_request(GPIO_FN_SDHI1_D3,  NULL);
+                gpio_request(GPIO_FN_SDHI1_CD,  NULL);
+                gpio_request(GPIO_FN_SDHI1_WP,  NULL);
+
+                gpio_request(GPIO_PORT16, NULL); /* SDSLOT2_PON */
+                gpio_direction_output(GPIO_PORT16, 1);
+
+                platform_device_register(&sdhi1_device);
+        }
+
+
 #ifdef CONFIG_CACHE_L2X0
         /* Early BRESP enable, Shared attribute override enable, 32K*8way */
         l2x0_init(__io(0xf0002000), 0x40440000, 0x82000fff);