summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/board-omap3beagle.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2/board-omap3beagle.c')
-rw-r--r--arch/arm/mach-omap2/board-omap3beagle.c244
1 files changed, 244 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
new file mode 100644
index 0000000..baa7967
--- /dev/null
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -0,0 +1,244 @@
+/*
+ * 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 <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <mach/board.h>
+#include <mach/common.h>
+#include <mach/gpmc.h>
+#include <mach/nand.h>
+
+
+#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
OpenPOWER on IntegriCloud