2 * linux/arch/arm/mach-omap2/board-omap3beagle.c
4 * Copyright (C) 2008 Texas Instruments
6 * Modified from mach-omap2/board-3430sdp.c
8 * Initial code: Syed Mohammed Khasim
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/err.h>
20 #include <linux/clk.h>
22 #include <linux/leds.h>
23 #include <linux/gpio.h>
24 #include <linux/input.h>
25 #include <linux/gpio_keys.h>
27 #include <linux/mtd/mtd.h>
28 #include <linux/mtd/partitions.h>
29 #include <linux/mtd/nand.h>
31 #include <mach/hardware.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35 #include <asm/mach/flash.h>
37 #include <mach/board.h>
38 #include <mach/usb-musb.h>
39 #include <mach/usb-ehci.h>
40 #include <mach/hsmmc.h>
41 #include <mach/common.h>
42 #include <mach/gpmc.h>
43 #include <mach/nand.h>
46 #define GPMC_CS0_BASE 0x60
47 #define GPMC_CS_SIZE 0x30
49 #define NAND_BLOCK_SIZE SZ_128K
51 static struct mtd_partition omap3beagle_nand_partitions[] = {
52 /* All the partition sizes are listed in terms of NAND block size */
56 .size = 4 * NAND_BLOCK_SIZE,
57 .mask_flags = MTD_WRITEABLE, /* force read-only */
61 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
62 .size = 15 * NAND_BLOCK_SIZE,
63 .mask_flags = MTD_WRITEABLE, /* force read-only */
67 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
68 .size = 1 * NAND_BLOCK_SIZE,
72 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
73 .size = 32 * NAND_BLOCK_SIZE,
76 .name = "File System",
77 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
78 .size = MTDPART_SIZ_FULL,
82 static struct omap_nand_platform_data omap3beagle_nand_data = {
83 .options = NAND_BUSWIDTH_16,
84 .parts = omap3beagle_nand_partitions,
85 .nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions),
86 .dma_channel = -1, /* disable DMA in OMAP NAND driver */
91 static struct resource omap3beagle_nand_resource = {
92 .flags = IORESOURCE_MEM,
95 static struct platform_device omap3beagle_nand_device = {
99 .platform_data = &omap3beagle_nand_data,
102 .resource = &omap3beagle_nand_resource,
105 #include "sdram-micron-mt46h32m32lf-6.h"
107 static struct omap_uart_config omap3_beagle_uart_config __initdata = {
108 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
111 static int __init omap3_beagle_i2c_init(void)
113 omap_register_i2c_bus(1, 2600, NULL, 0);
114 #ifdef CONFIG_I2C2_OMAP_BEAGLE
115 omap_register_i2c_bus(2, 400, NULL, 0);
117 omap_register_i2c_bus(3, 400, NULL, 0);
121 static void __init omap3_beagle_init_irq(void)
123 omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
128 static struct platform_device omap3_beagle_lcd_device = {
129 .name = "omap3beagle_lcd",
133 static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
134 .ctrl_name = "internal",
137 static struct gpio_led gpio_leds[] = {
139 .name = "beagleboard::usr0",
140 .default_trigger = "heartbeat",
144 .name = "beagleboard::usr1",
145 .default_trigger = "mmc0",
150 static struct gpio_led_platform_data gpio_led_info = {
152 .num_leds = ARRAY_SIZE(gpio_leds),
155 static struct platform_device leds_gpio = {
159 .platform_data = &gpio_led_info,
163 static struct gpio_keys_button gpio_buttons[] = {
172 static struct gpio_keys_platform_data gpio_key_info = {
173 .buttons = gpio_buttons,
174 .nbuttons = ARRAY_SIZE(gpio_buttons),
177 static struct platform_device keys_gpio = {
181 .platform_data = &gpio_key_info,
185 static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
186 { OMAP_TAG_UART, &omap3_beagle_uart_config },
187 { OMAP_TAG_LCD, &omap3_beagle_lcd_config },
190 static struct platform_device *omap3_beagle_devices[] __initdata = {
191 &omap3_beagle_lcd_device,
196 static void __init omap3beagle_flash_init(void)
199 u8 nandcs = GPMC_CS_NUM + 1;
201 u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
203 /* find out the chip-select on which NAND exists */
204 while (cs < GPMC_CS_NUM) {
206 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
208 if ((ret & 0xC00) == 0x800) {
209 printk(KERN_INFO "Found NAND on CS%d\n", cs);
210 if (nandcs > GPMC_CS_NUM)
216 if (nandcs > GPMC_CS_NUM) {
217 printk(KERN_INFO "NAND: Unable to find configuration "
222 if (nandcs < GPMC_CS_NUM) {
223 omap3beagle_nand_data.cs = nandcs;
224 omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
225 (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
226 omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
228 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
229 if (platform_device_register(&omap3beagle_nand_device) < 0)
230 printk(KERN_ERR "Unable to register NAND device\n");
234 static void __init omap3_beagle_init(void)
236 omap3_beagle_i2c_init();
237 platform_add_devices(omap3_beagle_devices, ARRAY_SIZE(omap3_beagle_devices));
238 omap_board_config = omap3_beagle_config;
239 omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
244 omap3beagle_flash_init();
247 static void __init omap3_beagle_map_io(void)
249 omap2_set_globals_343x();
250 omap2_map_common_io();
253 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
254 /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
255 .phys_io = 0x48000000,
256 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
257 .boot_params = 0x80000100,
258 .map_io = omap3_beagle_map_io,
259 .init_irq = omap3_beagle_init_irq,
260 .init_machine = omap3_beagle_init,
261 .timer = &omap_timer,