/* * arch/sh/boards/mach-sat7111/setup.c * * Copyright (C) 2011 STMicroelectronics Limited * Author: Jon Frosdick (jon.frosdick@st.com) * * May be copied or modified under the terms of the GNU General Public * License. See linux/COPYING for more information. * * STMicroelectronics sat7111 board support. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define SAT7111_PHY_RESET stm_gpio(2, 4) /* The sat7111 board is populated with NOR, NAND, and Serial Flash. The setup * below assumes the board is in its default boot-from-NOR configuration. Other * boot configurations are possible but require board-level modifications to be * made, and equivalent changes to the setup here. Note, only boot-from-NOR has * been fully tested. */ static void __init sat7111_setup(char** cmdline_p) { printk(KERN_INFO "STMicroelectronics sat7111 reference board initialisation\n"); stx7111_early_device_init(); stx7111_configure_asc(2, &(struct stx7111_asc_config) { .hw_flow_control = 1, .is_console = 1, }); stx7111_configure_asc(3, &(struct stx7111_asc_config) { .hw_flow_control = 1, .is_console = 0, }); } static struct platform_device sat7111_leds = { .name = "leds-gpio", .id = -1, .dev.platform_data = &(struct gpio_led_platform_data) { .num_leds = 2, .leds = (struct gpio_led[]) { { .name = "HB red", .default_trigger = "heartbeat", .gpio = stm_gpio(3, 5), }, { .name = "HB white", .gpio = stm_gpio(3, 0), }, }, }, }; static struct gpio_keys_button sat7111_buttons[] = { { .code = BTN_0, .gpio = stm_gpio(6, 2), .desc = "SW2", }, { .code = BTN_1, .gpio = stm_gpio(6, 3), .desc = "SW3", }, { .code = BTN_2, .gpio = stm_gpio(6, 4), .desc = "SW4", }, { .code = BTN_3, .gpio = stm_gpio(6, 5), .desc = "SW5", }, }; static struct platform_device sat7111_button_device = { .name = "gpio-keys", .id = -1, .num_resources = 0, .dev.platform_data = &(struct gpio_keys_platform_data) { .buttons = sat7111_buttons, .nbuttons = ARRAY_SIZE(sat7111_buttons), }, }; static struct platform_device sat7111_nor_flash = { .name = "physmap-flash", .id = -1, .num_resources = 1, .resource = (struct resource[]) { STM_PLAT_RESOURCE_MEM(0, 32*1024*1024), }, .dev.platform_data = &(struct physmap_flash_data) { .width = 2, .nr_parts = 3, .parts = (struct mtd_partition []) { { .name = "NOR Flash 1", .size = 0x00080000, .offset = 0x00000000, }, { .name = "NOR Flash 2", .size = 0x00200000, .offset = MTDPART_OFS_NXTBLK, }, { .name = "NOR Flash 3", .size = MTDPART_SIZ_FULL, .offset = MTDPART_OFS_NXTBLK, }, }, }, }; struct stm_nand_bank_data sat7111_nand_flash = { .csn = 1, .options = NAND_NO_AUTOINCR | NAND_USE_FLASH_BBT, .nr_partitions = 2, .partitions = (struct mtd_partition []) { { .name = "NAND Flash 1", .offset = 0, .size = 0x00800000 }, { .name = "NAND Flash 2", .offset = MTDPART_OFS_NXTBLK, .size = MTDPART_SIZ_FULL }, }, .timing_data = &(struct stm_nand_timing_data) { .sig_setup = 50, /* times in ns */ .sig_hold = 50, .CE_deassert = 0, .WE_to_RBn = 100, .wr_on = 10, .wr_off = 40, .rd_on = 10, .rd_off = 40, .chip_delay = 30, /* in us */ }, }; /* Serial Flash */ static struct spi_board_info sat7111_serial_flash = { .modalias = "m25p80", .bus_num = 0, .chip_select = stm_gpio(6, 7), .max_speed_hz = 7000000, .mode = SPI_MODE_3, .platform_data = &(struct flash_platform_data) { .name = "m25p80", .type = "m25p16", .nr_parts = 2, .parts = (struct mtd_partition []) { { .name = "Serial Flash 1", .size = 0x00080000, .offset = 0, }, { .name = "Serial Flash 2", .size = MTDPART_SIZ_FULL, .offset = MTDPART_OFS_NXTBLK, }, }, }, }; static int sat7111_phy_reset(void *bus) { gpio_set_value(SAT7111_PHY_RESET, 1); udelay(1); gpio_set_value(SAT7111_PHY_RESET, 0); udelay(1); gpio_set_value(SAT7111_PHY_RESET, 1); return 1; }; static struct stmmac_mdio_bus_data stmmac_mdio_bus = { .bus_id = 0, .phy_reset = &sat7111_phy_reset, .phy_mask = 0, }; static struct platform_device *sat7111_devices[] __initdata = { &sat7111_leds, &sat7111_nor_flash, &sat7111_button_device, }; static int __init sat7111_devices_init(void) { int peripherals_i2c_bus; stx7111_configure_pwm(&(struct stx7111_pwm_config) { .out0_enabled = 1, .out1_enabled = 0, }); stx7111_configure_ssc_spi(0, NULL); stx7111_configure_ssc_i2c(1); /* J12=1-2, J16=1-2 */ peripherals_i2c_bus = stx7111_configure_ssc_i2c(2); stx7111_configure_ssc_i2c(3); stx7111_configure_usb(&(struct stx7111_usb_config) { .invert_ovrcur = 1, }); stx7111_configure_ethernet(&(struct stx7111_ethernet_config) { .mode = stx7111_ethernet_mode_mii, .ext_clk = 0, .phy_bus = 0, .phy_addr = -1, .mdio_bus_data = &stmmac_mdio_bus,}); stx7111_configure_lirc(&(struct stx7111_lirc_config) { .rx_mode = stx7111_lirc_rx_mode_ir, .tx_enabled = 1, .tx_od_enabled = 0, }); gpio_request(SAT7111_PHY_RESET, "PHY"); gpio_direction_output(SAT7111_PHY_RESET, 0); stx7111_configure_nand(&(struct stm_nand_config) { .driver = stm_nand_flex, .nr_banks = 1, .banks = &sat7111_nand_flash, .rbn.flex_connected = 1,}); spi_register_board_info(&sat7111_serial_flash, 1); return platform_add_devices(sat7111_devices, ARRAY_SIZE(sat7111_devices)); } arch_initcall(sat7111_devices_init); static void __iomem *sat7111_ioport_map(unsigned long port, unsigned int size) { /* * If we have PCI then this should never be called because we * are using the generic iomap implementation. If we don't * have PCI then there are no IO mapped devices, so it still * shouldn't be called. */ BUG(); return (void __iomem *)CCN_PVR; } static void __init sat7111_init_irq(void) { } struct sh_machine_vector mv_sat7111 __initmv = { .mv_name = "sat7111", .mv_setup = sat7111_setup, .mv_nr_irqs = NR_IRQS, .mv_init_irq = sat7111_init_irq, .mv_ioport_map = sat7111_ioport_map, };