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Diffstat (limited to 'arch/arm/mach-shmobile/board-g4evm.c')
-rw-r--r--arch/arm/mach-shmobile/board-g4evm.c153
1 files changed, 143 insertions, 10 deletions
diff --git a/arch/arm/mach-shmobile/board-g4evm.c b/arch/arm/mach-shmobile/board-g4evm.c
index 10673a9..2c3ff6f 100644
--- a/arch/arm/mach-shmobile/board-g4evm.c
+++ b/arch/arm/mach-shmobile/board-g4evm.c
@@ -30,12 +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>
+#include <asm/mach/time.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[] = {
{
@@ -90,7 +117,7 @@ static struct platform_device nor_flash_device = {
};
/* USBHS */
-void usb_host_port_power(int port, int power)
+static void usb_host_port_power(int port, int power)
{
if (!power) /* only power-on supported for now */
return;
@@ -112,8 +139,7 @@ static struct resource usb_host_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = 65,
- .end = 65,
+ .start = evt2irq(0x0a20), /* USBHS_USHI0 */
.flags = IORESOURCE_IRQ,
},
};
@@ -154,7 +180,7 @@ static struct resource keysc_resources[] = {
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = 79,
+ .start = evt2irq(0x0be0), /* KEYSC_KEY */
.flags = IORESOURCE_IRQ,
},
};
@@ -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 = evt2irq(0x0e00), /* SDHI0 */
+ .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 = evt2irq(0x0e80), /* SDHI1 */
+ .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 = {
@@ -191,12 +260,41 @@ static void __init g4evm_map_io(void)
{
iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc));
- /* setup early devices, clocks and console here as well */
+ /* setup early devices and console here as well */
sh7377_add_early_devices();
- sh7367_clock_init(); /* use g3 clocks for now */
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();
@@ -229,9 +327,6 @@ static void __init g4evm_init(void)
gpio_request(GPIO_FN_EXTLP, NULL);
gpio_request(GPIO_FN_IDIN, NULL);
- /* enable clock in SMSTPCR3 */
- __raw_writel(__raw_readl(0xe615013c) & ~(1 << 22), 0xe615013c);
-
/* setup USB phy */
__raw_writew(0x0200, 0xe605810a); /* USBCR1 */
__raw_writew(0x00e0, 0xe60581c0); /* CPFCH */
@@ -253,16 +348,54 @@ 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));
}
+static void __init g4evm_timer_init(void)
+{
+ sh7377_clock_init();
+ shmobile_timer.init();
+}
+
+static struct sys_timer g4evm_timer = {
+ .init = g4evm_timer_init,
+};
+
MACHINE_START(G4EVM, "g4evm")
.phys_io = 0xe6000000,
.io_pg_offst = ((0xe6000000) >> 18) & 0xfffc,
.map_io = g4evm_map_io,
.init_irq = sh7377_init_irq,
.init_machine = g4evm_init,
- .timer = &shmobile_timer,
+ .timer = &g4evm_timer,
MACHINE_END
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