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Commit 4e927945 authored by Magnus Damm's avatar Magnus Damm Committed by Paul Mundt
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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: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent ae6e7083

arch/arm/mach-shmobile/board-kota2.c

+49 −0
Original line number Diff line number Diff line
@@ -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);