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 <linux/regulator/machine.h>
32 #include <linux/i2c/twl4030.h>
34 #include <mach/hardware.h>
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/flash.h>
40 #include <mach/board.h>
41 #include <mach/usb-musb.h>
42 #include <mach/usb-ehci.h>
43 #include <mach/common.h>
44 #include <mach/gpmc.h>
45 #include <mach/nand.h>
48 #include "twl4030-generic-scripts.h"
49 #include "mmc-twl4030.h"
52 #define GPMC_CS0_BASE 0x60
53 #define GPMC_CS_SIZE 0x30
55 #define NAND_BLOCK_SIZE SZ_128K
57 static struct mtd_partition omap3beagle_nand_partitions[] = {
58 /* All the partition sizes are listed in terms of NAND block size */
62 .size = 4 * NAND_BLOCK_SIZE,
63 .mask_flags = MTD_WRITEABLE, /* force read-only */
67 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
68 .size = 15 * NAND_BLOCK_SIZE,
69 .mask_flags = MTD_WRITEABLE, /* force read-only */
73 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
74 .size = 1 * NAND_BLOCK_SIZE,
78 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
79 .size = 32 * NAND_BLOCK_SIZE,
82 .name = "File System",
83 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
84 .size = MTDPART_SIZ_FULL,
88 static struct omap_nand_platform_data omap3beagle_nand_data = {
89 .options = NAND_BUSWIDTH_16,
90 .parts = omap3beagle_nand_partitions,
91 .nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions),
92 .dma_channel = -1, /* disable DMA in OMAP NAND driver */
97 static struct resource omap3beagle_nand_resource = {
98 .flags = IORESOURCE_MEM,
101 static struct platform_device omap3beagle_nand_device = {
102 .name = "omap2-nand",
105 .platform_data = &omap3beagle_nand_data,
108 .resource = &omap3beagle_nand_resource,
111 #include "sdram-micron-mt46h32m32lf-6.h"
113 static struct omap_uart_config omap3_beagle_uart_config __initdata = {
114 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
117 static struct twl4030_usb_data beagle_usb_data = {
118 .usb_mode = T2_USB_MODE_ULPI,
121 static struct twl4030_hsmmc_info mmc[] = {
130 static struct regulator_consumer_supply beagle_vmmc1_supply = {
134 static struct regulator_consumer_supply beagle_vsim_supply = {
135 .supply = "vmmc_dat4..7",
138 static struct gpio_led gpio_leds[];
140 static int beagle_twl_gpio_setup(struct device *dev,
141 unsigned gpio, unsigned ngpio)
143 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
144 omap_cfg_reg(AH8_34XX_GPIO29);
145 mmc[0].gpio_cd = gpio + 0;
146 twl4030_mmc_init(mmc);
148 /* link regulators to MMC adapters */
149 beagle_vmmc1_supply.dev = mmc[0].dev;
150 beagle_vsim_supply.dev = mmc[0].dev;
152 /* REVISIT: need ehci-omap hooks for external VBUS
153 * power switch and overcurrent detect
156 gpio_request(gpio + 1, "EHCI_nOC");
157 gpio_direction_input(gpio + 1);
159 /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
160 gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
161 gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
163 /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
164 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
169 static struct twl4030_gpio_platform_data beagle_gpio_data = {
170 .gpio_base = OMAP_MAX_GPIO_LINES,
171 .irq_base = TWL4030_GPIO_IRQ_BASE,
172 .irq_end = TWL4030_GPIO_IRQ_END,
175 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
176 | BIT(15) | BIT(16) | BIT(17),
177 .setup = beagle_twl_gpio_setup,
180 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
181 static struct regulator_init_data beagle_vmmc1 = {
183 .valid_modes_mask = REGULATOR_MODE_NORMAL
184 | REGULATOR_MODE_STANDBY,
185 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
186 | REGULATOR_CHANGE_MODE
187 | REGULATOR_CHANGE_STATUS,
189 .num_consumer_supplies = 1,
190 .consumer_supplies = &beagle_vmmc1_supply,
193 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
194 static struct regulator_init_data beagle_vsim = {
196 .valid_modes_mask = REGULATOR_MODE_NORMAL
197 | REGULATOR_MODE_STANDBY,
198 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
199 | REGULATOR_CHANGE_MODE
200 | REGULATOR_CHANGE_STATUS,
202 .num_consumer_supplies = 1,
203 .consumer_supplies = &beagle_vsim_supply,
206 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
207 static struct regulator_init_data beagle_vdac = {
211 .valid_modes_mask = REGULATOR_MODE_NORMAL
212 | REGULATOR_MODE_STANDBY,
213 .valid_ops_mask = REGULATOR_CHANGE_MODE
214 | REGULATOR_CHANGE_STATUS,
218 static struct twl4030_platform_data beagle_twldata = {
219 .irq_base = TWL4030_IRQ_BASE,
220 .irq_end = TWL4030_IRQ_END,
222 /* platform_data for children goes here */
223 .usb = &beagle_usb_data,
224 .gpio = &beagle_gpio_data,
225 .power = GENERIC3430_T2SCRIPTS_DATA,
226 .vmmc1 = &beagle_vmmc1,
227 .vsim = &beagle_vsim,
228 .vdac = &beagle_vdac,
231 static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
233 I2C_BOARD_INFO("twl4030", 0x48),
234 .flags = I2C_CLIENT_WAKE,
235 .irq = INT_34XX_SYS_NIRQ,
236 .platform_data = &beagle_twldata,
240 static int __init omap3_beagle_i2c_init(void)
242 omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
243 ARRAY_SIZE(beagle_i2c_boardinfo));
244 #ifdef CONFIG_I2C2_OMAP_BEAGLE
245 omap_register_i2c_bus(2, 400, NULL, 0);
247 omap_register_i2c_bus(3, 400, NULL, 0);
251 static void __init omap3_beagle_init_irq(void)
253 omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
258 static struct platform_device omap3_beagle_lcd_device = {
259 .name = "omap3beagle_lcd",
263 static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
264 .ctrl_name = "internal",
267 static struct gpio_led gpio_leds[] = {
269 .name = "beagleboard::usr0",
270 .default_trigger = "heartbeat",
274 .name = "beagleboard::usr1",
275 .default_trigger = "mmc0",
279 .name = "beagleboard::pmu_stat",
280 .gpio = -EINVAL, /* gets replaced */
285 static struct gpio_led_platform_data gpio_led_info = {
287 .num_leds = ARRAY_SIZE(gpio_leds),
290 static struct platform_device leds_gpio = {
294 .platform_data = &gpio_led_info,
298 static struct gpio_keys_button gpio_buttons[] = {
307 static struct gpio_keys_platform_data gpio_key_info = {
308 .buttons = gpio_buttons,
309 .nbuttons = ARRAY_SIZE(gpio_buttons),
312 static struct platform_device keys_gpio = {
316 .platform_data = &gpio_key_info,
320 static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
321 { OMAP_TAG_UART, &omap3_beagle_uart_config },
322 { OMAP_TAG_LCD, &omap3_beagle_lcd_config },
325 static struct platform_device *omap3_beagle_devices[] __initdata = {
326 &omap3_beagle_lcd_device,
331 static void __init omap3beagle_flash_init(void)
334 u8 nandcs = GPMC_CS_NUM + 1;
336 u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
338 /* find out the chip-select on which NAND exists */
339 while (cs < GPMC_CS_NUM) {
341 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
343 if ((ret & 0xC00) == 0x800) {
344 printk(KERN_INFO "Found NAND on CS%d\n", cs);
345 if (nandcs > GPMC_CS_NUM)
351 if (nandcs > GPMC_CS_NUM) {
352 printk(KERN_INFO "NAND: Unable to find configuration "
357 if (nandcs < GPMC_CS_NUM) {
358 omap3beagle_nand_data.cs = nandcs;
359 omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
360 (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
361 omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
363 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
364 if (platform_device_register(&omap3beagle_nand_device) < 0)
365 printk(KERN_ERR "Unable to register NAND device\n");
369 static void __init omap3_beagle_init(void)
371 omap3_beagle_i2c_init();
372 platform_add_devices(omap3_beagle_devices,
373 ARRAY_SIZE(omap3_beagle_devices));
374 omap_board_config = omap3_beagle_config;
375 omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
378 omap_cfg_reg(J25_34XX_GPIO170);
379 gpio_request(170, "DVI_nPD");
380 /* REVISIT leave DVI powered down until it's needed ... */
381 gpio_direction_output(170, true);
385 omap3beagle_flash_init();
388 static void __init omap3_beagle_map_io(void)
390 omap2_set_globals_343x();
391 omap2_map_common_io();
394 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
395 /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
396 .phys_io = 0x48000000,
397 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
398 .boot_params = 0x80000100,
399 .map_io = omap3_beagle_map_io,
400 .init_irq = omap3_beagle_init_irq,
401 .init_machine = omap3_beagle_init,
402 .timer = &omap_timer,