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/i2c/twl4030.h>
29 #include <linux/mtd/mtd.h>
30 #include <linux/mtd/partitions.h>
31 #include <linux/mtd/nand.h>
33 #include <mach/hardware.h>
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
37 #include <asm/mach/flash.h>
39 #include <mach/board.h>
40 #include <mach/usb-musb.h>
41 #include <mach/usb-ehci.h>
42 #include <mach/hsmmc.h>
43 #include <mach/common.h>
44 #include <mach/gpmc.h>
45 #include <mach/nand.h>
48 #define GPMC_CS0_BASE 0x60
49 #define GPMC_CS_SIZE 0x30
51 #define NAND_BLOCK_SIZE SZ_128K
53 static struct mtd_partition omap3beagle_nand_partitions[] = {
54 /* All the partition sizes are listed in terms of NAND block size */
58 .size = 4 * NAND_BLOCK_SIZE,
59 .mask_flags = MTD_WRITEABLE, /* force read-only */
63 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
64 .size = 15 * NAND_BLOCK_SIZE,
65 .mask_flags = MTD_WRITEABLE, /* force read-only */
69 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
70 .size = 1 * NAND_BLOCK_SIZE,
74 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
75 .size = 32 * NAND_BLOCK_SIZE,
78 .name = "File System",
79 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
80 .size = MTDPART_SIZ_FULL,
84 static struct omap_nand_platform_data omap3beagle_nand_data = {
85 .options = NAND_BUSWIDTH_16,
86 .parts = omap3beagle_nand_partitions,
87 .nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions),
88 .dma_channel = -1, /* disable DMA in OMAP NAND driver */
93 static struct resource omap3beagle_nand_resource = {
94 .flags = IORESOURCE_MEM,
97 static struct platform_device omap3beagle_nand_device = {
101 .platform_data = &omap3beagle_nand_data,
104 .resource = &omap3beagle_nand_resource,
107 #include "sdram-micron-mt46h32m32lf-6.h"
109 static struct omap_uart_config omap3_beagle_uart_config __initdata = {
110 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
113 static struct twl4030_platform_data beagle_twldata = {
114 .irq_base = TWL4030_IRQ_BASE,
115 .irq_end = TWL4030_IRQ_END,
118 static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
120 I2C_BOARD_INFO("twl4030", 0x48),
121 .flags = I2C_CLIENT_WAKE,
122 .irq = INT_34XX_SYS_NIRQ,
123 .platform_data = &beagle_twldata,
127 static int __init omap3_beagle_i2c_init(void)
129 omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
130 ARRAY_SIZE(beagle_i2c_boardinfo));
131 #ifdef CONFIG_I2C2_OMAP_BEAGLE
132 omap_register_i2c_bus(2, 400, NULL, 0);
134 omap_register_i2c_bus(3, 400, NULL, 0);
138 static void __init omap3_beagle_init_irq(void)
140 omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
145 static struct platform_device omap3_beagle_lcd_device = {
146 .name = "omap3beagle_lcd",
150 static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
151 .ctrl_name = "internal",
154 static struct gpio_led gpio_leds[] = {
156 .name = "beagleboard::usr0",
157 .default_trigger = "heartbeat",
161 .name = "beagleboard::usr1",
162 .default_trigger = "mmc0",
167 static struct gpio_led_platform_data gpio_led_info = {
169 .num_leds = ARRAY_SIZE(gpio_leds),
172 static struct platform_device leds_gpio = {
176 .platform_data = &gpio_led_info,
180 static struct gpio_keys_button gpio_buttons[] = {
189 static struct gpio_keys_platform_data gpio_key_info = {
190 .buttons = gpio_buttons,
191 .nbuttons = ARRAY_SIZE(gpio_buttons),
194 static struct platform_device keys_gpio = {
198 .platform_data = &gpio_key_info,
202 static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
203 { OMAP_TAG_UART, &omap3_beagle_uart_config },
204 { OMAP_TAG_LCD, &omap3_beagle_lcd_config },
207 static struct platform_device *omap3_beagle_devices[] __initdata = {
208 &omap3_beagle_lcd_device,
213 static void __init omap3beagle_flash_init(void)
216 u8 nandcs = GPMC_CS_NUM + 1;
218 u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
220 /* find out the chip-select on which NAND exists */
221 while (cs < GPMC_CS_NUM) {
223 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
225 if ((ret & 0xC00) == 0x800) {
226 printk(KERN_INFO "Found NAND on CS%d\n", cs);
227 if (nandcs > GPMC_CS_NUM)
233 if (nandcs > GPMC_CS_NUM) {
234 printk(KERN_INFO "NAND: Unable to find configuration "
239 if (nandcs < GPMC_CS_NUM) {
240 omap3beagle_nand_data.cs = nandcs;
241 omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
242 (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
243 omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
245 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
246 if (platform_device_register(&omap3beagle_nand_device) < 0)
247 printk(KERN_ERR "Unable to register NAND device\n");
251 static void __init omap3_beagle_init(void)
253 omap3_beagle_i2c_init();
254 platform_add_devices(omap3_beagle_devices, ARRAY_SIZE(omap3_beagle_devices));
255 omap_board_config = omap3_beagle_config;
256 omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
261 omap3beagle_flash_init();
264 static void __init omap3_beagle_map_io(void)
266 omap2_set_globals_343x();
267 omap2_map_common_io();
270 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
271 /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
272 .phys_io = 0x48000000,
273 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
274 .boot_params = 0x80000100,
275 .map_io = omap3_beagle_map_io,
276 .init_irq = omap3_beagle_init_irq,
277 .init_machine = omap3_beagle_init,
278 .timer = &omap_timer,