diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-g4evm.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-g4evm.c | 153 |
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 10673a90be5..2c3ff6f7f34 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 |