diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-g4evm.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-g4evm.c | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-g4evm.c b/arch/arm/mach-shmobile/board-g4evm.c new file mode 100644 index 00000000..0e5a39c6 --- /dev/null +++ b/arch/arm/mach-shmobile/board-g4evm.c @@ -0,0 +1,385 @@ +/* + * G4EVM board support + * + * Copyright (C) 2010 Magnus Damm + * Copyright (C) 2008 Yoshihiro Shimoda + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/usb/r8a66597.h> +#include <linux/io.h> +#include <linux/input.h> +#include <linux/input/sh_keysc.h> +#include <linux/mmc/host.h> +#include <linux/mmc/sh_mobile_sdhi.h> +#include <linux/gpio.h> +#include <linux/dma-mapping.h> +#include <mach/irqs.h> +#include <mach/sh7377.h> +#include <mach/common.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.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", + .offset = 0x00000000, + .size = 512 * 1024, + }, + { + .name = "bootenv", + .offset = MTDPART_OFS_APPEND, + .size = 512 * 1024, + }, + { + .name = "kernel_ro", + .offset = MTDPART_OFS_APPEND, + .size = 8 * 1024 * 1024, + .mask_flags = MTD_WRITEABLE, + }, + { + .name = "kernel", + .offset = MTDPART_OFS_APPEND, + .size = 8 * 1024 * 1024, + }, + { + .name = "data", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct physmap_flash_data nor_flash_data = { + .width = 2, + .parts = nor_flash_partitions, + .nr_parts = ARRAY_SIZE(nor_flash_partitions), +}; + +static struct resource nor_flash_resources[] = { + [0] = { + .start = 0x00000000, + .end = 0x08000000 - 1, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device nor_flash_device = { + .name = "physmap-flash", + .dev = { + .platform_data = &nor_flash_data, + }, + .num_resources = ARRAY_SIZE(nor_flash_resources), + .resource = nor_flash_resources, +}; + +/* USBHS */ +static void usb_host_port_power(int port, int power) +{ + if (!power) /* only power-on supported for now */ + return; + + /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */ + __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008); +} + +static struct r8a66597_platdata usb_host_data = { + .on_chip = 1, + .port_power = usb_host_port_power, +}; + +static struct resource usb_host_resources[] = { + [0] = { + .name = "USBHS", + .start = 0xe6890000, + .end = 0xe68900e5, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = evt2irq(0x0a20), /* USBHS_USHI0 */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usb_host_device = { + .name = "r8a66597_hcd", + .id = 0, + .dev = { + .platform_data = &usb_host_data, + .dma_mask = NULL, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(usb_host_resources), + .resource = usb_host_resources, +}; + +/* KEYSC */ +static struct sh_keysc_info keysc_info = { + .mode = SH_KEYSC_MODE_5, + .scan_timing = 3, + .delay = 100, + .keycodes = { + KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, + KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, + KEY_M, KEY_N, KEY_U, KEY_P, KEY_Q, KEY_R, + KEY_S, KEY_T, KEY_U, KEY_V, KEY_W, KEY_X, + KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP, KEY_WAKEUP, KEY_COFFEE, + KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, + KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER, + }, +}; + +static struct resource keysc_resources[] = { + [0] = { + .name = "KEYSC", + .start = 0xe61b0000, + .end = 0xe61b000f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = evt2irq(0x0be0), /* KEYSC_KEY */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device keysc_device = { + .name = "sh_keysc", + .id = 0, /* keysc0 clock */ + .num_resources = ARRAY_SIZE(keysc_resources), + .resource = keysc_resources, + .dev = { + .platform_data = &keysc_info, + }, +}; + +/* SDHI */ +static struct sh_mobile_sdhi_info sdhi0_info = { + .tmio_caps = MMC_CAP_SDIO_IRQ, +}; + +static struct resource sdhi0_resources[] = { + [0] = { + .name = "SDHI0", + .start = 0xe6d50000, + .end = 0xe6d500ff, + .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, + .dev = { + .platform_data = &sdhi0_info, + }, +}; + +static struct sh_mobile_sdhi_info sdhi1_info = { + .tmio_caps = MMC_CAP_NONREMOVABLE | MMC_CAP_SDIO_IRQ, +}; + +static struct resource sdhi1_resources[] = { + [0] = { + .name = "SDHI1", + .start = 0xe6d60000, + .end = 0xe6d600ff, + .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, + .dev = { + .platform_data = &sdhi1_info, + }, +}; + +static struct platform_device *g4evm_devices[] __initdata = { + &nor_flash_device, + &usb_host_device, + &keysc_device, + &sdhi0_device, + &sdhi1_device, +}; + +#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(); + + /* Lit DS14 LED */ + gpio_request(GPIO_PORT109, NULL); + gpio_direction_output(GPIO_PORT109, 1); + gpio_export(GPIO_PORT109, 1); + + /* Lit DS15 LED */ + gpio_request(GPIO_PORT110, NULL); + gpio_direction_output(GPIO_PORT110, 1); + gpio_export(GPIO_PORT110, 1); + + /* Lit DS16 LED */ + gpio_request(GPIO_PORT112, NULL); + gpio_direction_output(GPIO_PORT112, 1); + gpio_export(GPIO_PORT112, 1); + + /* Lit DS17 LED */ + gpio_request(GPIO_PORT113, NULL); + gpio_direction_output(GPIO_PORT113, 1); + gpio_export(GPIO_PORT113, 1); + + /* USBHS */ + gpio_request(GPIO_FN_VBUS_0, NULL); + gpio_request(GPIO_FN_PWEN, NULL); + gpio_request(GPIO_FN_OVCN, NULL); + gpio_request(GPIO_FN_OVCN2, NULL); + gpio_request(GPIO_FN_EXTLP, NULL); + gpio_request(GPIO_FN_IDIN, NULL); + + /* setup USB phy */ + __raw_writew(0x0200, 0xe605810a); /* USBCR1 */ + __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */ + __raw_writew(0x6010, 0xe60581c6); /* CGPOSR */ + __raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */ + + /* KEYSC @ CN31 */ + gpio_request(GPIO_FN_PORT60_KEYOUT5, NULL); + gpio_request(GPIO_FN_PORT61_KEYOUT4, NULL); + gpio_request(GPIO_FN_PORT62_KEYOUT3, NULL); + gpio_request(GPIO_FN_PORT63_KEYOUT2, NULL); + gpio_request(GPIO_FN_PORT64_KEYOUT1, NULL); + gpio_request(GPIO_FN_PORT65_KEYOUT0, NULL); + gpio_request(GPIO_FN_PORT66_KEYIN0_PU, NULL); + gpio_request(GPIO_FN_PORT67_KEYIN1_PU, NULL); + gpio_request(GPIO_FN_PORT68_KEYIN2_PU, NULL); + gpio_request(GPIO_FN_PORT69_KEYIN3_PU, NULL); + gpio_request(GPIO_FN_PORT70_KEYIN4_PU, NULL); + 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)); +} + +MACHINE_START(G4EVM, "g4evm") + .map_io = sh7377_map_io, + .init_early = sh7377_add_early_devices, + .init_irq = sh7377_init_irq, + .handle_irq = shmobile_handle_irq_intc, + .init_machine = g4evm_init, + .timer = &shmobile_timer, +MACHINE_END |