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_usb_data beagle_usb_data = {
114 .usb_mode = T2_USB_MODE_ULPI,
117 static struct twl4030_platform_data beagle_twldata = {
118 .irq_base = TWL4030_IRQ_BASE,
119 .irq_end = TWL4030_IRQ_END,
121 /* platform_data for children goes here */
122 .usb = &beagle_usb_data,
125 static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
127 I2C_BOARD_INFO("twl4030", 0x48),
128 .flags = I2C_CLIENT_WAKE,
129 .irq = INT_34XX_SYS_NIRQ,
130 .platform_data = &beagle_twldata,
134 static int __init omap3_beagle_i2c_init(void)
136 omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
137 ARRAY_SIZE(beagle_i2c_boardinfo));
138 #ifdef CONFIG_I2C2_OMAP_BEAGLE
139 omap_register_i2c_bus(2, 400, NULL, 0);
141 omap_register_i2c_bus(3, 400, NULL, 0);
145 static void __init omap3_beagle_init_irq(void)
147 omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
152 static struct platform_device omap3_beagle_lcd_device = {
153 .name = "omap3beagle_lcd",
157 static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
158 .ctrl_name = "internal",
161 static struct gpio_led gpio_leds[] = {
163 .name = "beagleboard::usr0",
164 .default_trigger = "heartbeat",
168 .name = "beagleboard::usr1",
169 .default_trigger = "mmc0",
174 static struct gpio_led_platform_data gpio_led_info = {
176 .num_leds = ARRAY_SIZE(gpio_leds),
179 static struct platform_device leds_gpio = {
183 .platform_data = &gpio_led_info,
187 static struct gpio_keys_button gpio_buttons[] = {
196 static struct gpio_keys_platform_data gpio_key_info = {
197 .buttons = gpio_buttons,
198 .nbuttons = ARRAY_SIZE(gpio_buttons),
201 static struct platform_device keys_gpio = {
205 .platform_data = &gpio_key_info,
209 static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
210 { OMAP_TAG_UART, &omap3_beagle_uart_config },
211 { OMAP_TAG_LCD, &omap3_beagle_lcd_config },
214 static struct platform_device *omap3_beagle_devices[] __initdata = {
215 &omap3_beagle_lcd_device,
220 static void __init omap3beagle_flash_init(void)
223 u8 nandcs = GPMC_CS_NUM + 1;
225 u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
227 /* find out the chip-select on which NAND exists */
228 while (cs < GPMC_CS_NUM) {
230 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
232 if ((ret & 0xC00) == 0x800) {
233 printk(KERN_INFO "Found NAND on CS%d\n", cs);
234 if (nandcs > GPMC_CS_NUM)
240 if (nandcs > GPMC_CS_NUM) {
241 printk(KERN_INFO "NAND: Unable to find configuration "
246 if (nandcs < GPMC_CS_NUM) {
247 omap3beagle_nand_data.cs = nandcs;
248 omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
249 (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
250 omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
252 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
253 if (platform_device_register(&omap3beagle_nand_device) < 0)
254 printk(KERN_ERR "Unable to register NAND device\n");
258 static void __init omap3_beagle_init(void)
260 omap3_beagle_i2c_init();
261 platform_add_devices(omap3_beagle_devices, ARRAY_SIZE(omap3_beagle_devices));
262 omap_board_config = omap3_beagle_config;
263 omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
268 omap3beagle_flash_init();
271 static void __init omap3_beagle_map_io(void)
273 omap2_set_globals_343x();
274 omap2_map_common_io();
277 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
278 /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
279 .phys_io = 0x48000000,
280 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
281 .boot_params = 0x80000100,
282 .map_io = omap3_beagle_map_io,
283 .init_irq = omap3_beagle_init_irq,
284 .init_machine = omap3_beagle_init,
285 .timer = &omap_timer,