openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Magnus Damm 2011-08-18 05:44:42 +00:00 committed by Paul Mundt
parent ae6e708318
commit 4e92794525
1 changed files with 49 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
arch/arm/mach-shmobile/board-kota2.c
View File

@ -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);