/* * 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, .init_late = shmobile_init_late, .timer = &shmobile_timer, MACHINE_END