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 int beagle_twl_gpio_setup(struct device *dev,
118 unsigned gpio, unsigned ngpio)
120 /* request_gpio(gpio + 0, "mmc0_cd");
121 * gpio_direction_input(gpio + 0);
124 gpio_request(gpio + 1, "EHCI_nOC");
125 gpio_direction_input(gpio + 1);
127 /* gpio + 18 + 0 == ledA, nEN_USB_PWR (out)
128 * gpio + 18 + 1 == ledB, PMU_STAT (out, a LED)
134 static struct twl4030_gpio_platform_data beagle_gpio_data = {
135 .gpio_base = OMAP_MAX_GPIO_LINES,
136 .irq_base = TWL4030_GPIO_IRQ_BASE,
137 .irq_end = TWL4030_GPIO_IRQ_END,
139 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
140 | BIT(15) | BIT(16) | BIT(17),
141 .setup = beagle_twl_gpio_setup,
144 static struct twl4030_platform_data beagle_twldata = {
145 .irq_base = TWL4030_IRQ_BASE,
146 .irq_end = TWL4030_IRQ_END,
148 /* platform_data for children goes here */
149 .usb = &beagle_usb_data,
150 .gpio = &beagle_gpio_data,
153 static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
155 I2C_BOARD_INFO("twl4030", 0x48),
156 .flags = I2C_CLIENT_WAKE,
157 .irq = INT_34XX_SYS_NIRQ,
158 .platform_data = &beagle_twldata,
162 static int __init omap3_beagle_i2c_init(void)
164 omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
165 ARRAY_SIZE(beagle_i2c_boardinfo));
166 #ifdef CONFIG_I2C2_OMAP_BEAGLE
167 omap_register_i2c_bus(2, 400, NULL, 0);
169 omap_register_i2c_bus(3, 400, NULL, 0);
173 static void __init omap3_beagle_init_irq(void)
175 omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
180 static struct platform_device omap3_beagle_lcd_device = {
181 .name = "omap3beagle_lcd",
185 static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
186 .ctrl_name = "internal",
189 static struct gpio_led gpio_leds[] = {
191 .name = "beagleboard::usr0",
192 .default_trigger = "heartbeat",
196 .name = "beagleboard::usr1",
197 .default_trigger = "mmc0",
202 static struct gpio_led_platform_data gpio_led_info = {
204 .num_leds = ARRAY_SIZE(gpio_leds),
207 static struct platform_device leds_gpio = {
211 .platform_data = &gpio_led_info,
215 static struct gpio_keys_button gpio_buttons[] = {
224 static struct gpio_keys_platform_data gpio_key_info = {
225 .buttons = gpio_buttons,
226 .nbuttons = ARRAY_SIZE(gpio_buttons),
229 static struct platform_device keys_gpio = {
233 .platform_data = &gpio_key_info,
237 static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
238 { OMAP_TAG_UART, &omap3_beagle_uart_config },
239 { OMAP_TAG_LCD, &omap3_beagle_lcd_config },
242 static struct platform_device *omap3_beagle_devices[] __initdata = {
243 &omap3_beagle_lcd_device,
248 static void __init omap3beagle_flash_init(void)
251 u8 nandcs = GPMC_CS_NUM + 1;
253 u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
255 /* find out the chip-select on which NAND exists */
256 while (cs < GPMC_CS_NUM) {
258 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
260 if ((ret & 0xC00) == 0x800) {
261 printk(KERN_INFO "Found NAND on CS%d\n", cs);
262 if (nandcs > GPMC_CS_NUM)
268 if (nandcs > GPMC_CS_NUM) {
269 printk(KERN_INFO "NAND: Unable to find configuration "
274 if (nandcs < GPMC_CS_NUM) {
275 omap3beagle_nand_data.cs = nandcs;
276 omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
277 (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
278 omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
280 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
281 if (platform_device_register(&omap3beagle_nand_device) < 0)
282 printk(KERN_ERR "Unable to register NAND device\n");
286 static void __init omap3_beagle_init(void)
288 omap3_beagle_i2c_init();
289 platform_add_devices(omap3_beagle_devices,
290 ARRAY_SIZE(omap3_beagle_devices));
291 omap_board_config = omap3_beagle_config;
292 omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
297 omap3beagle_flash_init();
300 static void __init omap3_beagle_map_io(void)
302 omap2_set_globals_343x();
303 omap2_map_common_io();
306 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
307 /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
308 .phys_io = 0x48000000,
309 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
310 .boot_params = 0x80000100,
311 .map_io = omap3_beagle_map_io,
312 .init_irq = omap3_beagle_init_irq,
313 .init_machine = omap3_beagle_init,
314 .timer = &omap_timer,