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/twl.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 <plat/board.h>
41 #include <plat/common.h>
42 #include <plat/display.h>
43 #include <plat/gpmc.h>
44 #include <plat/nand.h>
46 #include <plat/timer-gp.h>
51 #define GPMC_CS0_BASE 0x60
52 #define GPMC_CS_SIZE 0x30
54 #define NAND_BLOCK_SIZE SZ_128K
56 static struct mtd_partition omap3beagle_nand_partitions[] = {
57 /* All the partition sizes are listed in terms of NAND block size */
61 .size = 4 * NAND_BLOCK_SIZE,
62 .mask_flags = MTD_WRITEABLE, /* force read-only */
66 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
67 .size = 15 * NAND_BLOCK_SIZE,
68 .mask_flags = MTD_WRITEABLE, /* force read-only */
72 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
73 .size = 1 * NAND_BLOCK_SIZE,
77 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
78 .size = 32 * NAND_BLOCK_SIZE,
81 .name = "File System",
82 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
83 .size = MTDPART_SIZ_FULL,
87 static struct omap_nand_platform_data omap3beagle_nand_data = {
88 .options = NAND_BUSWIDTH_16,
89 .parts = omap3beagle_nand_partitions,
90 .nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions),
91 .dma_channel = -1, /* disable DMA in OMAP NAND driver */
96 static struct resource omap3beagle_nand_resource = {
97 .flags = IORESOURCE_MEM,
100 static struct platform_device omap3beagle_nand_device = {
101 .name = "omap2-nand",
104 .platform_data = &omap3beagle_nand_data,
107 .resource = &omap3beagle_nand_resource,
112 static int beagle_enable_dvi(struct omap_dss_device *dssdev)
114 if (gpio_is_valid(dssdev->reset_gpio))
115 gpio_set_value(dssdev->reset_gpio, 1);
120 static void beagle_disable_dvi(struct omap_dss_device *dssdev)
122 if (gpio_is_valid(dssdev->reset_gpio))
123 gpio_set_value(dssdev->reset_gpio, 0);
126 static struct omap_dss_device beagle_dvi_device = {
127 .type = OMAP_DISPLAY_TYPE_DPI,
129 .driver_name = "generic_panel",
130 .phy.dpi.data_lines = 24,
132 .platform_enable = beagle_enable_dvi,
133 .platform_disable = beagle_disable_dvi,
136 static struct omap_dss_device beagle_tv_device = {
138 .driver_name = "venc",
139 .type = OMAP_DISPLAY_TYPE_VENC,
140 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
143 static struct omap_dss_device *beagle_dss_devices[] = {
148 static struct omap_dss_board_info beagle_dss_data = {
149 .num_devices = ARRAY_SIZE(beagle_dss_devices),
150 .devices = beagle_dss_devices,
151 .default_device = &beagle_dvi_device,
154 static struct platform_device beagle_dss_device = {
158 .platform_data = &beagle_dss_data,
162 static struct regulator_consumer_supply beagle_vdac_supply =
163 REGULATOR_SUPPLY("vdda_dac", "omapdss");
165 static struct regulator_consumer_supply beagle_vdvi_supply =
166 REGULATOR_SUPPLY("vdds_dsi", "omapdss");
168 static void __init beagle_display_init(void)
172 r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset");
174 printk(KERN_ERR "Unable to get DVI reset GPIO\n");
178 gpio_direction_output(beagle_dvi_device.reset_gpio, 0);
181 #include "sdram-micron-mt46h32m32lf-6.h"
183 static struct omap2_hsmmc_info mmc[] = {
192 static struct regulator_consumer_supply beagle_vmmc1_supply = {
196 static struct regulator_consumer_supply beagle_vsim_supply = {
197 .supply = "vmmc_aux",
200 static struct gpio_led gpio_leds[];
202 static int beagle_twl_gpio_setup(struct device *dev,
203 unsigned gpio, unsigned ngpio)
205 if (system_rev >= 0x20 && system_rev <= 0x34301000) {
206 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
209 omap_mux_init_gpio(29, OMAP_PIN_INPUT);
211 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
212 mmc[0].gpio_cd = gpio + 0;
213 omap2_hsmmc_init(mmc);
215 /* link regulators to MMC adapters */
216 beagle_vmmc1_supply.dev = mmc[0].dev;
217 beagle_vsim_supply.dev = mmc[0].dev;
219 /* REVISIT: need ehci-omap hooks for external VBUS
220 * power switch and overcurrent detect
223 gpio_request(gpio + 1, "EHCI_nOC");
224 gpio_direction_input(gpio + 1);
226 /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
227 gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
228 gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
230 /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
231 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
236 static struct twl4030_gpio_platform_data beagle_gpio_data = {
237 .gpio_base = OMAP_MAX_GPIO_LINES,
238 .irq_base = TWL4030_GPIO_IRQ_BASE,
239 .irq_end = TWL4030_GPIO_IRQ_END,
242 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
243 | BIT(15) | BIT(16) | BIT(17),
244 .setup = beagle_twl_gpio_setup,
247 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
248 static struct regulator_init_data beagle_vmmc1 = {
252 .valid_modes_mask = REGULATOR_MODE_NORMAL
253 | REGULATOR_MODE_STANDBY,
254 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
255 | REGULATOR_CHANGE_MODE
256 | REGULATOR_CHANGE_STATUS,
258 .num_consumer_supplies = 1,
259 .consumer_supplies = &beagle_vmmc1_supply,
262 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
263 static struct regulator_init_data beagle_vsim = {
267 .valid_modes_mask = REGULATOR_MODE_NORMAL
268 | REGULATOR_MODE_STANDBY,
269 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
270 | REGULATOR_CHANGE_MODE
271 | REGULATOR_CHANGE_STATUS,
273 .num_consumer_supplies = 1,
274 .consumer_supplies = &beagle_vsim_supply,
277 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
278 static struct regulator_init_data beagle_vdac = {
282 .valid_modes_mask = REGULATOR_MODE_NORMAL
283 | REGULATOR_MODE_STANDBY,
284 .valid_ops_mask = REGULATOR_CHANGE_MODE
285 | REGULATOR_CHANGE_STATUS,
287 .num_consumer_supplies = 1,
288 .consumer_supplies = &beagle_vdac_supply,
291 /* VPLL2 for digital video outputs */
292 static struct regulator_init_data beagle_vpll2 = {
297 .valid_modes_mask = REGULATOR_MODE_NORMAL
298 | REGULATOR_MODE_STANDBY,
299 .valid_ops_mask = REGULATOR_CHANGE_MODE
300 | REGULATOR_CHANGE_STATUS,
302 .num_consumer_supplies = 1,
303 .consumer_supplies = &beagle_vdvi_supply,
306 static struct twl4030_usb_data beagle_usb_data = {
307 .usb_mode = T2_USB_MODE_ULPI,
310 static struct twl4030_codec_audio_data beagle_audio_data = {
311 .audio_mclk = 26000000,
314 static struct twl4030_codec_data beagle_codec_data = {
315 .audio_mclk = 26000000,
316 .audio = &beagle_audio_data,
319 static struct twl4030_platform_data beagle_twldata = {
320 .irq_base = TWL4030_IRQ_BASE,
321 .irq_end = TWL4030_IRQ_END,
323 /* platform_data for children goes here */
324 .usb = &beagle_usb_data,
325 .gpio = &beagle_gpio_data,
326 .codec = &beagle_codec_data,
327 .vmmc1 = &beagle_vmmc1,
328 .vsim = &beagle_vsim,
329 .vdac = &beagle_vdac,
330 .vpll2 = &beagle_vpll2,
333 static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
335 I2C_BOARD_INFO("twl4030", 0x48),
336 .flags = I2C_CLIENT_WAKE,
337 .irq = INT_34XX_SYS_NIRQ,
338 .platform_data = &beagle_twldata,
342 static int __init omap3_beagle_i2c_init(void)
344 omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
345 ARRAY_SIZE(beagle_i2c_boardinfo));
346 /* Bus 3 is attached to the DVI port where devices like the pico DLP
347 * projector don't work reliably with 400kHz */
348 omap_register_i2c_bus(3, 100, NULL, 0);
352 static struct gpio_led gpio_leds[] = {
354 .name = "beagleboard::usr0",
355 .default_trigger = "heartbeat",
359 .name = "beagleboard::usr1",
360 .default_trigger = "mmc0",
364 .name = "beagleboard::pmu_stat",
365 .gpio = -EINVAL, /* gets replaced */
370 static struct gpio_led_platform_data gpio_led_info = {
372 .num_leds = ARRAY_SIZE(gpio_leds),
375 static struct platform_device leds_gpio = {
379 .platform_data = &gpio_led_info,
383 static struct gpio_keys_button gpio_buttons[] = {
392 static struct gpio_keys_platform_data gpio_key_info = {
393 .buttons = gpio_buttons,
394 .nbuttons = ARRAY_SIZE(gpio_buttons),
397 static struct platform_device keys_gpio = {
401 .platform_data = &gpio_key_info,
405 static void __init omap3_beagle_init_irq(void)
407 omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
408 mt46h32m32lf6_sdrc_params);
410 #ifdef CONFIG_OMAP_32K_TIMER
411 omap2_gp_clockevent_set_gptimer(12);
416 static struct platform_device *omap3_beagle_devices[] __initdata = {
422 static void __init omap3beagle_flash_init(void)
425 u8 nandcs = GPMC_CS_NUM + 1;
427 u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
429 /* find out the chip-select on which NAND exists */
430 while (cs < GPMC_CS_NUM) {
432 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
434 if ((ret & 0xC00) == 0x800) {
435 printk(KERN_INFO "Found NAND on CS%d\n", cs);
436 if (nandcs > GPMC_CS_NUM)
442 if (nandcs > GPMC_CS_NUM) {
443 printk(KERN_INFO "NAND: Unable to find configuration "
448 if (nandcs < GPMC_CS_NUM) {
449 omap3beagle_nand_data.cs = nandcs;
450 omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
451 (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
452 omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
454 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
455 if (platform_device_register(&omap3beagle_nand_device) < 0)
456 printk(KERN_ERR "Unable to register NAND device\n");
460 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
462 .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
463 .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
464 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
467 .reset_gpio_port[0] = -EINVAL,
468 .reset_gpio_port[1] = 147,
469 .reset_gpio_port[2] = -EINVAL
472 #ifdef CONFIG_OMAP_MUX
473 static struct omap_board_mux board_mux[] __initdata = {
474 { .reg_offset = OMAP_MUX_TERMINATOR },
477 #define board_mux NULL
480 static struct omap_musb_board_data musb_board_data = {
481 .interface_type = MUSB_INTERFACE_ULPI,
486 static void __init omap3_beagle_init(void)
488 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
489 omap3_beagle_i2c_init();
490 platform_add_devices(omap3_beagle_devices,
491 ARRAY_SIZE(omap3_beagle_devices));
494 omap_mux_init_gpio(170, OMAP_PIN_INPUT);
495 gpio_request(170, "DVI_nPD");
496 /* REVISIT leave DVI powered down until it's needed ... */
497 gpio_direction_output(170, true);
499 usb_musb_init(&musb_board_data);
500 usb_ehci_init(&ehci_pdata);
501 omap3beagle_flash_init();
503 /* Ensure SDRC pins are mux'd for self-refresh */
504 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
505 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
507 beagle_display_init();
510 static void __init omap3_beagle_map_io(void)
512 omap2_set_globals_343x();
513 omap34xx_map_common_io();
516 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
517 /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
518 .phys_io = 0x48000000,
519 .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
520 .boot_params = 0x80000100,
521 .map_io = omap3_beagle_map_io,
522 .reserve = omap_reserve,
523 .init_irq = omap3_beagle_init_irq,
524 .init_machine = omap3_beagle_init,
525 .timer = &omap_timer,