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>
49 #define GPMC_CS0_BASE 0x60
50 #define GPMC_CS_SIZE 0x30
52 #define NAND_BLOCK_SIZE SZ_128K
54 static struct mtd_partition omap3beagle_nand_partitions[] = {
55 /* All the partition sizes are listed in terms of NAND block size */
59 .size = 4 * NAND_BLOCK_SIZE,
60 .mask_flags = MTD_WRITEABLE, /* force read-only */
64 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
65 .size = 15 * NAND_BLOCK_SIZE,
66 .mask_flags = MTD_WRITEABLE, /* force read-only */
70 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
71 .size = 1 * NAND_BLOCK_SIZE,
75 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
76 .size = 32 * NAND_BLOCK_SIZE,
79 .name = "File System",
80 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
81 .size = MTDPART_SIZ_FULL,
85 static struct omap_nand_platform_data omap3beagle_nand_data = {
86 .options = NAND_BUSWIDTH_16,
87 .parts = omap3beagle_nand_partitions,
88 .nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions),
89 .dma_channel = -1, /* disable DMA in OMAP NAND driver */
94 static struct resource omap3beagle_nand_resource = {
95 .flags = IORESOURCE_MEM,
98 static struct platform_device omap3beagle_nand_device = {
102 .platform_data = &omap3beagle_nand_data,
105 .resource = &omap3beagle_nand_resource,
108 #include "sdram-micron-mt46h32m32lf-6.h"
110 static struct omap_uart_config omap3_beagle_uart_config __initdata = {
111 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
114 static struct twl4030_usb_data beagle_usb_data = {
115 .usb_mode = T2_USB_MODE_ULPI,
118 static int beagle_twl_gpio_setup(struct device *dev,
119 unsigned gpio, unsigned ngpio)
121 /* request_gpio(gpio + 0, "mmc0_cd");
122 * gpio_direction_input(gpio + 0);
125 gpio_request(gpio + 1, "EHCI_nOC");
126 gpio_direction_input(gpio + 1);
128 /* gpio + 18 + 0 == ledA, nEN_USB_PWR (out)
129 * gpio + 18 + 1 == ledB, PMU_STAT (out, a LED)
135 static struct twl4030_gpio_platform_data beagle_gpio_data = {
136 .gpio_base = OMAP_MAX_GPIO_LINES,
137 .irq_base = TWL4030_GPIO_IRQ_BASE,
138 .irq_end = TWL4030_GPIO_IRQ_END,
140 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
141 | BIT(15) | BIT(16) | BIT(17),
142 .setup = beagle_twl_gpio_setup,
145 static struct twl4030_platform_data beagle_twldata = {
146 .irq_base = TWL4030_IRQ_BASE,
147 .irq_end = TWL4030_IRQ_END,
149 /* platform_data for children goes here */
150 .usb = &beagle_usb_data,
151 .gpio = &beagle_gpio_data,
154 static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
156 I2C_BOARD_INFO("twl4030", 0x48),
157 .flags = I2C_CLIENT_WAKE,
158 .irq = INT_34XX_SYS_NIRQ,
159 .platform_data = &beagle_twldata,
163 static int __init omap3_beagle_i2c_init(void)
165 omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
166 ARRAY_SIZE(beagle_i2c_boardinfo));
167 #ifdef CONFIG_I2C2_OMAP_BEAGLE
168 omap_register_i2c_bus(2, 400, NULL, 0);
170 omap_register_i2c_bus(3, 400, NULL, 0);
174 static void __init omap3_beagle_init_irq(void)
176 omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
181 static struct platform_device omap3_beagle_lcd_device = {
182 .name = "omap3beagle_lcd",
186 static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
187 .ctrl_name = "internal",
190 static struct gpio_led gpio_leds[] = {
192 .name = "beagleboard::usr0",
193 .default_trigger = "heartbeat",
197 .name = "beagleboard::usr1",
198 .default_trigger = "mmc0",
203 static struct gpio_led_platform_data gpio_led_info = {
205 .num_leds = ARRAY_SIZE(gpio_leds),
208 static struct platform_device leds_gpio = {
212 .platform_data = &gpio_led_info,
216 static struct gpio_keys_button gpio_buttons[] = {
225 static struct gpio_keys_platform_data gpio_key_info = {
226 .buttons = gpio_buttons,
227 .nbuttons = ARRAY_SIZE(gpio_buttons),
230 static struct platform_device keys_gpio = {
234 .platform_data = &gpio_key_info,
238 static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
239 { OMAP_TAG_UART, &omap3_beagle_uart_config },
240 { OMAP_TAG_LCD, &omap3_beagle_lcd_config },
243 static struct platform_device *omap3_beagle_devices[] __initdata = {
244 &omap3_beagle_lcd_device,
249 static void __init omap3beagle_flash_init(void)
252 u8 nandcs = GPMC_CS_NUM + 1;
254 u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
256 /* find out the chip-select on which NAND exists */
257 while (cs < GPMC_CS_NUM) {
259 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
261 if ((ret & 0xC00) == 0x800) {
262 printk(KERN_INFO "Found NAND on CS%d\n", cs);
263 if (nandcs > GPMC_CS_NUM)
269 if (nandcs > GPMC_CS_NUM) {
270 printk(KERN_INFO "NAND: Unable to find configuration "
275 if (nandcs < GPMC_CS_NUM) {
276 omap3beagle_nand_data.cs = nandcs;
277 omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
278 (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
279 omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
281 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
282 if (platform_device_register(&omap3beagle_nand_device) < 0)
283 printk(KERN_ERR "Unable to register NAND device\n");
287 static void __init omap3_beagle_init(void)
289 omap3_beagle_i2c_init();
290 platform_add_devices(omap3_beagle_devices,
291 ARRAY_SIZE(omap3_beagle_devices));
292 omap_board_config = omap3_beagle_config;
293 omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
296 omap_cfg_reg(AH8_34XX_GPIO29);
297 gpio_request(29, "mmc0_wp");
298 gpio_direction_input(29);
301 omap_cfg_reg(J25_34XX_GPIO170);
302 gpio_request(170, "DVI_nPD");
303 /* REVISIT leave DVI powered down until it's needed ... */
304 gpio_direction_output(170, true);
308 omap3beagle_flash_init();
311 static void __init omap3_beagle_map_io(void)
313 omap2_set_globals_343x();
314 omap2_map_common_io();
317 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
318 /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
319 .phys_io = 0x48000000,
320 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
321 .boot_params = 0x80000100,
322 .map_io = omap3_beagle_map_io,
323 .init_irq = omap3_beagle_init_irq,
324 .init_machine = omap3_beagle_init,
325 .timer = &omap_timer,