/* * linux/arch/arm/mach-omap2/board-omap3beagle.c * * Copyright (C) 2008 Texas Instruments * * Modified from mach-omap2/board-3430sdp.c * * Initial code: Syed Mohammed Khasim * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define GPMC_CS0_BASE 0x60 #define GPMC_CS_SIZE 0x30 #define NAND_BLOCK_SIZE SZ_128K static struct mtd_partition omap3beagle_nand_partitions[] = { /* All the partition sizes are listed in terms of NAND block size */ { .name = "X-Loader", .offset = 0, .size = 4 * NAND_BLOCK_SIZE, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { .name = "U-Boot", .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ .size = 15 * NAND_BLOCK_SIZE, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { .name = "U-Boot Env", .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */ .size = 1 * NAND_BLOCK_SIZE, }, { .name = "Kernel", .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ .size = 32 * NAND_BLOCK_SIZE, }, { .name = "File System", .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ .size = MTDPART_SIZ_FULL, }, }; static struct omap_nand_platform_data omap3beagle_nand_data = { .options = NAND_BUSWIDTH_16, .parts = omap3beagle_nand_partitions, .nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions), .dma_channel = -1, /* disable DMA in OMAP NAND driver */ .nand_setup = NULL, .dev_ready = NULL, }; static struct resource omap3beagle_nand_resource = { .flags = IORESOURCE_MEM, }; static struct platform_device omap3beagle_nand_device = { .name = "omap2-nand", .id = -1, .dev = { .platform_data = &omap3beagle_nand_data, }, .num_resources = 1, .resource = &omap3beagle_nand_resource, }; static struct omap_uart_config omap3_beagle_uart_config __initdata = { .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), }; static void __init omap3_beagle_init_irq(void) { omap2_init_common_hw(); omap_init_irq(); omap_gpio_init(); } static struct platform_device omap3_beagle_lcd_device = { .name = "omap3beagle_lcd", .id = -1, }; static struct omap_lcd_config omap3_beagle_lcd_config __initdata = { .ctrl_name = "internal", }; static struct gpio_led gpio_leds[] = { { .name = "beagleboard::usr0", .default_trigger = "heartbeat", .gpio = 150, }, { .name = "beagleboard::usr1", .default_trigger = "mmc0", .gpio = 149, }, }; static struct gpio_led_platform_data gpio_led_info = { .leds = gpio_leds, .num_leds = ARRAY_SIZE(gpio_leds), }; static struct platform_device leds_gpio = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &gpio_led_info, }, }; static struct gpio_keys_button gpio_buttons[] = { { .code = BTN_EXTRA, .gpio = 7, .desc = "user", .wakeup = 1, }, }; static struct gpio_keys_platform_data gpio_key_info = { .buttons = gpio_buttons, .nbuttons = ARRAY_SIZE(gpio_buttons), }; static struct platform_device keys_gpio = { .name = "gpio-keys", .id = -1, .dev = { .platform_data = &gpio_key_info, }, }; static struct omap_board_config_kernel omap3_beagle_config[] __initdata = { { OMAP_TAG_UART, &omap3_beagle_uart_config }, { OMAP_TAG_LCD, &omap3_beagle_lcd_config }, }; static struct platform_device *omap3_beagle_devices[] __initdata = { &omap3_beagle_lcd_device, &leds_gpio, &keys_gpio, }; static void __init omap3beagle_flash_init(void) { u8 cs = 0; u8 nandcs = GPMC_CS_NUM + 1; u32 gpmc_base_add = OMAP34XX_GPMC_VIRT; /* find out the chip-select on which NAND exists */ while (cs < GPMC_CS_NUM) { u32 ret = 0; ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); if ((ret & 0xC00) == 0x800) { printk(KERN_INFO "Found NAND on CS%d\n", cs); if (nandcs > GPMC_CS_NUM) nandcs = cs; } cs++; } if (nandcs > GPMC_CS_NUM) { printk(KERN_INFO "NAND: Unable to find configuration " "in GPMC\n "); return; } if (nandcs < GPMC_CS_NUM) { omap3beagle_nand_data.cs = nandcs; omap3beagle_nand_data.gpmc_cs_baseaddr = (void *) (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE); omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add); printk(KERN_INFO "Registering NAND on CS%d\n", nandcs); if (platform_device_register(&omap3beagle_nand_device) < 0) printk(KERN_ERR "Unable to register NAND device\n"); } } static void __init omap3_beagle_init(void) { platform_add_devices(omap3_beagle_devices, ARRAY_SIZE(omap3_beagle_devices)); omap_board_config = omap3_beagle_config; omap_board_config_size = ARRAY_SIZE(omap3_beagle_config); omap_serial_init(); omap3beagle_flash_init(); } static void __init omap3_beagle_map_io(void) { omap2_set_globals_343x(); omap2_map_common_io(); } MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board") /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */ .phys_io = 0x48000000, .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap3_beagle_map_io, .init_irq = omap3_beagle_init_irq, .init_machine = omap3_beagle_init, .timer = &omap_timer, MACHINE_END