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