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yaml
---
r: 208665
b: refs/heads/master
c: 819ee86
h: refs/heads/master
i:
  208663: e845c9f
v: v3
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Kuninori Morimoto authored and Paul Mundt committed Apr 7, 2010
1 parent 9f3d0b2 commit e37103a
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Showing 2 changed files with 128 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 4eea423a4567937dc5e0abdc72bd21b546180459
refs/heads/master: 819ee86796ae263cd76dd734085dab70d1250cdb
127 changes: 127 additions & 0 deletions trunk/arch/arm/mach-shmobile/board-g4evm.c
Original file line number Diff line number Diff line change
Expand Up @@ -30,13 +30,39 @@
#include <linux/io.h>
#include <linux/input.h>
#include <linux/input/sh_keysc.h>
#include <linux/mfd/sh_mobile_sdhi.h>
#include <linux/gpio.h>
#include <mach/sh7377.h>
#include <mach/common.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

/*
* SDHI
*
* SDHI0 : card detection is possible
* SDHI1 : card detection is impossible
*
* [G4-MAIN-BOARD]
* JP74 : short # DBG_2V8A for SDHI0
* JP75 : NC # DBG_3V3A for SDHI0
* JP76 : NC # DBG_3V3A_SD for SDHI0
* JP77 : NC # 3V3A_SDIO for SDHI1
* JP78 : short # DBG_2V8A for SDHI1
* JP79 : NC # DBG_3V3A for SDHI1
* JP80 : NC # DBG_3V3A_SD for SDHI1
*
* [G4-CORE-BOARD]
* S32 : all off # to dissever from G3-CORE_DBG board
* S33 : all off # to dissever from G3-CORE_DBG board
*
* [G3-CORE_DBG-BOARD]
* S1 : all off # to dissever from G3-CORE_DBG board
* S3 : all off # to dissever from G3-CORE_DBG board
* S4 : all off # to dissever from G3-CORE_DBG board
*/

static struct mtd_partition nor_flash_partitions[] = {
{
.name = "loader",
Expand Down Expand Up @@ -169,10 +195,53 @@ static struct platform_device keysc_device = {
},
};

/* SDHI */
static struct resource sdhi0_resources[] = {
[0] = {
.name = "SDHI0",
.start = 0xe6d50000,
.end = 0xe6d501ff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 96,
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device sdhi0_device = {
.name = "sh_mobile_sdhi",
.num_resources = ARRAY_SIZE(sdhi0_resources),
.resource = sdhi0_resources,
.id = 0,
};

static struct resource sdhi1_resources[] = {
[0] = {
.name = "SDHI1",
.start = 0xe6d60000,
.end = 0xe6d601ff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 100,
.flags = IORESOURCE_IRQ,
},
};

static struct platform_device sdhi1_device = {
.name = "sh_mobile_sdhi",
.num_resources = ARRAY_SIZE(sdhi1_resources),
.resource = sdhi1_resources,
.id = 1,
};

static struct platform_device *g4evm_devices[] __initdata = {
&nor_flash_device,
&usb_host_device,
&keysc_device,
&sdhi0_device,
&sdhi1_device,
};

static struct map_desc g4evm_io_desc[] __initdata = {
Expand All @@ -197,6 +266,36 @@ static void __init g4evm_map_io(void)
shmobile_setup_console();
}

#define GPIO_SDHID0_D0 0xe60520fc
#define GPIO_SDHID0_D1 0xe60520fd
#define GPIO_SDHID0_D2 0xe60520fe
#define GPIO_SDHID0_D3 0xe60520ff
#define GPIO_SDHICMD0 0xe6052100

#define GPIO_SDHID1_D0 0xe6052103
#define GPIO_SDHID1_D1 0xe6052104
#define GPIO_SDHID1_D2 0xe6052105
#define GPIO_SDHID1_D3 0xe6052106
#define GPIO_SDHICMD1 0xe6052107

/*
* FIXME !!
*
* gpio_pull_up is quick_hack.
*
* current gpio frame work doesn't have
* the method to control only pull up/down/free.
* this function should be replaced by correct gpio function
*/
static void __init gpio_pull_up(u32 addr)
{
u8 data = __raw_readb(addr);

data &= 0x0F;
data |= 0xC0;
__raw_writeb(data, addr);
}

static void __init g4evm_init(void)
{
sh7377_pinmux_init();
Expand Down Expand Up @@ -253,6 +352,34 @@ static void __init g4evm_init(void)
gpio_request(GPIO_FN_PORT71_KEYIN5_PU, NULL);
gpio_request(GPIO_FN_PORT72_KEYIN6_PU, NULL);

/* SDHI0 */
gpio_request(GPIO_FN_SDHICLK0, NULL);
gpio_request(GPIO_FN_SDHICD0, NULL);
gpio_request(GPIO_FN_SDHID0_0, NULL);
gpio_request(GPIO_FN_SDHID0_1, NULL);
gpio_request(GPIO_FN_SDHID0_2, NULL);
gpio_request(GPIO_FN_SDHID0_3, NULL);
gpio_request(GPIO_FN_SDHICMD0, NULL);
gpio_request(GPIO_FN_SDHIWP0, NULL);
gpio_pull_up(GPIO_SDHID0_D0);
gpio_pull_up(GPIO_SDHID0_D1);
gpio_pull_up(GPIO_SDHID0_D2);
gpio_pull_up(GPIO_SDHID0_D3);
gpio_pull_up(GPIO_SDHICMD0);

/* SDHI1 */
gpio_request(GPIO_FN_SDHICLK1, NULL);
gpio_request(GPIO_FN_SDHID1_0, NULL);
gpio_request(GPIO_FN_SDHID1_1, NULL);
gpio_request(GPIO_FN_SDHID1_2, NULL);
gpio_request(GPIO_FN_SDHID1_3, NULL);
gpio_request(GPIO_FN_SDHICMD1, NULL);
gpio_pull_up(GPIO_SDHID1_D0);
gpio_pull_up(GPIO_SDHID1_D1);
gpio_pull_up(GPIO_SDHID1_D2);
gpio_pull_up(GPIO_SDHID1_D3);
gpio_pull_up(GPIO_SDHICMD1);

sh7377_add_standard_devices();

platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices));
Expand Down

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