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authorMagnus Damm <damm@opensource.se>2011-08-18 05:44:42 +0000
committerPaul Mundt <lethal@linux-sh.org>2011-08-29 16:50:28 +0900
commit4e9279452502c043469cf34cd813db83ae87c7d3 (patch)
tree4a0e18842c408f15b796621244729a260d79d4ff /arch/arm/mach-shmobile
parentae6e70831805c1d3bb4cdb87a29877b9846d3c15 (diff)
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>
Diffstat (limited to 'arch/arm/mach-shmobile')
-rw-r--r--arch/arm/mach-shmobile/board-kota2.c49
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 d46bd9f7cea..e1380df0131 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);