From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/mach-davinci/board-tnetv107x-evm.c | 285 ++++++++++++++++++++++++++++ 1 file changed, 285 insertions(+) create mode 100644 arch/arm/mach-davinci/board-tnetv107x-evm.c (limited to 'arch/arm/mach-davinci/board-tnetv107x-evm.c') diff --git a/arch/arm/mach-davinci/board-tnetv107x-evm.c b/arch/arm/mach-davinci/board-tnetv107x-evm.c new file mode 100644 index 00000000..1a656e88 --- /dev/null +++ b/arch/arm/mach-davinci/board-tnetv107x-evm.c @@ -0,0 +1,285 @@ +/* + * Texas Instruments TNETV107X EVM Board Support + * + * Copyright (C) 2010 Texas Instruments + * + * 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. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include +#include +#include +#include + +#define EVM_MMC_WP_GPIO 21 +#define EVM_MMC_CD_GPIO 24 +#define EVM_SPI_CS_GPIO 54 + +static int initialize_gpio(int gpio, char *desc) +{ + int ret; + + ret = gpio_request(gpio, desc); + if (ret < 0) { + pr_err_ratelimited("cannot open %s gpio\n", desc); + return -ENOSYS; + } + gpio_direction_input(gpio); + return gpio; +} + +static int mmc_get_cd(int index) +{ + static int gpio; + + if (!gpio) + gpio = initialize_gpio(EVM_MMC_CD_GPIO, "mmc card detect"); + + if (gpio < 0) + return gpio; + + return gpio_get_value(gpio) ? 0 : 1; +} + +static int mmc_get_ro(int index) +{ + static int gpio; + + if (!gpio) + gpio = initialize_gpio(EVM_MMC_WP_GPIO, "mmc write protect"); + + if (gpio < 0) + return gpio; + + return gpio_get_value(gpio) ? 1 : 0; +} + +static struct davinci_mmc_config mmc_config = { + .get_cd = mmc_get_cd, + .get_ro = mmc_get_ro, + .wires = 4, + .max_freq = 50000000, + .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, + .version = MMC_CTLR_VERSION_1, +}; + +static const short sdio1_pins[] __initdata = { + TNETV107X_SDIO1_CLK_1, TNETV107X_SDIO1_CMD_1, + TNETV107X_SDIO1_DATA0_1, TNETV107X_SDIO1_DATA1_1, + TNETV107X_SDIO1_DATA2_1, TNETV107X_SDIO1_DATA3_1, + TNETV107X_GPIO21, TNETV107X_GPIO24, + -1 +}; + +static const short uart1_pins[] __initdata = { + TNETV107X_UART1_RD, TNETV107X_UART1_TD, + -1 +}; + +static const short ssp_pins[] __initdata = { + TNETV107X_SSP0_0, TNETV107X_SSP0_1, TNETV107X_SSP0_2, + TNETV107X_SSP1_0, TNETV107X_SSP1_1, TNETV107X_SSP1_2, + TNETV107X_SSP1_3, -1 +}; + +static struct mtd_partition nand_partitions[] = { + /* bootloader (U-Boot, etc) in first 12 sectors */ + { + .name = "bootloader", + .offset = 0, + .size = (12*SZ_128K), + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + /* bootloader params in the next sector */ + { + .name = "params", + .offset = MTDPART_OFS_NXTBLK, + .size = SZ_128K, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + /* kernel */ + { + .name = "kernel", + .offset = MTDPART_OFS_NXTBLK, + .size = SZ_4M, + .mask_flags = 0, + }, + /* file system */ + { + .name = "filesystem", + .offset = MTDPART_OFS_NXTBLK, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0, + } +}; + +static struct davinci_nand_pdata nand_config = { + .mask_cle = 0x4000, + .mask_ale = 0x2000, + .parts = nand_partitions, + .nr_parts = ARRAY_SIZE(nand_partitions), + .ecc_mode = NAND_ECC_HW, + .options = NAND_USE_FLASH_BBT, + .ecc_bits = 1, +}; + +static struct davinci_uart_config serial_config __initconst = { + .enabled_uarts = BIT(1), +}; + +static const uint32_t keymap[] = { + KEY(0, 0, KEY_NUMERIC_1), + KEY(0, 1, KEY_NUMERIC_2), + KEY(0, 2, KEY_NUMERIC_3), + KEY(0, 3, KEY_FN_F1), + KEY(0, 4, KEY_MENU), + + KEY(1, 0, KEY_NUMERIC_4), + KEY(1, 1, KEY_NUMERIC_5), + KEY(1, 2, KEY_NUMERIC_6), + KEY(1, 3, KEY_UP), + KEY(1, 4, KEY_FN_F2), + + KEY(2, 0, KEY_NUMERIC_7), + KEY(2, 1, KEY_NUMERIC_8), + KEY(2, 2, KEY_NUMERIC_9), + KEY(2, 3, KEY_LEFT), + KEY(2, 4, KEY_ENTER), + + KEY(3, 0, KEY_NUMERIC_STAR), + KEY(3, 1, KEY_NUMERIC_0), + KEY(3, 2, KEY_NUMERIC_POUND), + KEY(3, 3, KEY_DOWN), + KEY(3, 4, KEY_RIGHT), + + KEY(4, 0, KEY_FN_F3), + KEY(4, 1, KEY_FN_F4), + KEY(4, 2, KEY_MUTE), + KEY(4, 3, KEY_HOME), + KEY(4, 4, KEY_BACK), + + KEY(5, 0, KEY_VOLUMEDOWN), + KEY(5, 1, KEY_VOLUMEUP), + KEY(5, 2, KEY_F1), + KEY(5, 3, KEY_F2), + KEY(5, 4, KEY_F3), +}; + +static const struct matrix_keymap_data keymap_data = { + .keymap = keymap, + .keymap_size = ARRAY_SIZE(keymap), +}; + +static struct matrix_keypad_platform_data keypad_config = { + .keymap_data = &keymap_data, + .num_row_gpios = 6, + .num_col_gpios = 5, + .debounce_ms = 0, /* minimum */ + .active_low = 0, /* pull up realization */ + .no_autorepeat = 0, +}; + +static void spi_select_device(int cs) +{ + static int gpio; + + if (!gpio) { + int ret; + ret = gpio_request(EVM_SPI_CS_GPIO, "spi chipsel"); + if (ret < 0) { + pr_err("cannot open spi chipsel gpio\n"); + gpio = -ENOSYS; + return; + } else { + gpio = EVM_SPI_CS_GPIO; + gpio_direction_output(gpio, 0); + } + } + + if (gpio < 0) + return; + + return gpio_set_value(gpio, cs ? 1 : 0); +} + +static struct ti_ssp_spi_data spi_master_data = { + .num_cs = 2, + .select = spi_select_device, + .iosel = SSP_PIN_SEL(0, SSP_CLOCK) | SSP_PIN_SEL(1, SSP_DATA) | + SSP_PIN_SEL(2, SSP_CHIPSEL) | SSP_PIN_SEL(3, SSP_IN) | + SSP_INPUT_SEL(3), +}; + +static struct ti_ssp_data ssp_config = { + .out_clock = 250 * 1000, + .dev_data = { + [1] = { + .dev_name = "ti-ssp-spi", + .pdata = &spi_master_data, + .pdata_size = sizeof(spi_master_data), + }, + }, +}; + +static struct tnetv107x_device_info evm_device_info __initconst = { + .serial_config = &serial_config, + .mmc_config[1] = &mmc_config, /* controller 1 */ + .nand_config[0] = &nand_config, /* chip select 0 */ + .keypad_config = &keypad_config, + .ssp_config = &ssp_config, +}; + +static struct spi_board_info spi_info[] __initconst = { +}; + +static __init void tnetv107x_evm_board_init(void) +{ + davinci_cfg_reg_list(sdio1_pins); + davinci_cfg_reg_list(uart1_pins); + davinci_cfg_reg_list(ssp_pins); + + tnetv107x_devices_init(&evm_device_info); + + spi_register_board_info(spi_info, ARRAY_SIZE(spi_info)); +} + +#ifdef CONFIG_SERIAL_8250_CONSOLE +static int __init tnetv107x_evm_console_init(void) +{ + return add_preferred_console("ttyS", 0, "115200"); +} +console_initcall(tnetv107x_evm_console_init); +#endif + +MACHINE_START(TNETV107X, "TNETV107X EVM") + .boot_params = (TNETV107X_DDR_BASE + 0x100), + .map_io = tnetv107x_init, + .init_irq = cp_intc_init, + .timer = &davinci_timer, + .init_machine = tnetv107x_evm_board_init, +MACHINE_END -- cgit v1.2.3