2 * Copyright (C) 2009 Integration Software and Electronic Engineering.
4 * Modified from mach-omap2/board-generic.c
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14 #include <linux/delay.h>
15 #include <linux/err.h>
16 #include <linux/clk.h>
18 #include <linux/gpio.h>
19 #include <linux/interrupt.h>
21 #include <linux/regulator/machine.h>
22 #include <linux/i2c/twl.h>
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
27 #include <plat/board.h>
28 #include <plat/common.h>
29 #include <plat/gpmc.h>
31 #include <plat/display.h>
32 #include <plat/onenand.h>
36 #include "sdram-numonyx-m65kxxxxam.h"
38 #define IGEP2_SMSC911X_CS 5
39 #define IGEP2_SMSC911X_GPIO 176
40 #define IGEP2_GPIO_USBH_NRESET 24
41 #define IGEP2_GPIO_LED0_RED 26
42 #define IGEP2_GPIO_LED0_GREEN 27
43 #define IGEP2_GPIO_LED1_RED 28
44 #define IGEP2_GPIO_DVI_PUP 170
46 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
47 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
49 #define ONENAND_MAP 0x20000000
51 /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
52 * Since the device is equipped with two DataRAMs, and two-plane NAND
53 * Flash memory array, these two component enables simultaneous program
54 * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
55 * while Plane2 has only odd blocks such as block1, block3, block5.
56 * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
59 static struct mtd_partition igep2_onenand_partitions[] = {
63 .size = 2 * (64*(2*2048))
67 .offset = MTDPART_OFS_APPEND,
68 .size = 6 * (64*(2*2048)),
71 .name = "Environment",
72 .offset = MTDPART_OFS_APPEND,
73 .size = 2 * (64*(2*2048)),
77 .offset = MTDPART_OFS_APPEND,
78 .size = 12 * (64*(2*2048)),
81 .name = "File System",
82 .offset = MTDPART_OFS_APPEND,
83 .size = MTDPART_SIZ_FULL,
87 static int igep2_onenand_setup(void __iomem *onenand_base, int freq)
89 /* nothing is required to be setup for onenand as of now */
93 static struct omap_onenand_platform_data igep2_onenand_data = {
94 .parts = igep2_onenand_partitions,
95 .nr_parts = ARRAY_SIZE(igep2_onenand_partitions),
96 .onenand_setup = igep2_onenand_setup,
97 .dma_channel = -1, /* disable DMA in OMAP OneNAND driver */
100 static struct platform_device igep2_onenand_device = {
101 .name = "omap2-onenand",
104 .platform_data = &igep2_onenand_data,
108 void __init igep2_flash_init(void)
111 u8 onenandcs = GPMC_CS_NUM + 1;
113 while (cs < GPMC_CS_NUM) {
115 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
117 /* Check if NAND/oneNAND is configured */
118 if ((ret & 0xC00) == 0x800)
120 pr_err("IGEP v2: Unsupported NAND found\n");
122 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
123 if ((ret & 0x3F) == (ONENAND_MAP >> 24))
129 if (onenandcs > GPMC_CS_NUM) {
130 pr_err("IGEP v2: Unable to find configuration in GPMC\n");
134 if (onenandcs < GPMC_CS_NUM) {
135 igep2_onenand_data.cs = onenandcs;
136 if (platform_device_register(&igep2_onenand_device) < 0)
137 pr_err("IGEP v2: Unable to register OneNAND device\n");
142 void __init igep2_flash_init(void) {}
145 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
147 #include <linux/smsc911x.h>
149 static struct smsc911x_platform_config igep2_smsc911x_config = {
150 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
151 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
152 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS ,
153 .phy_interface = PHY_INTERFACE_MODE_MII,
156 static struct resource igep2_smsc911x_resources[] = {
158 .flags = IORESOURCE_MEM,
161 .start = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
162 .end = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
163 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
167 static struct platform_device igep2_smsc911x_device = {
170 .num_resources = ARRAY_SIZE(igep2_smsc911x_resources),
171 .resource = igep2_smsc911x_resources,
173 .platform_data = &igep2_smsc911x_config,
177 static inline void __init igep2_init_smsc911x(void)
179 unsigned long cs_mem_base;
181 if (gpmc_cs_request(IGEP2_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
182 pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n");
183 gpmc_cs_free(IGEP2_SMSC911X_CS);
187 igep2_smsc911x_resources[0].start = cs_mem_base + 0x0;
188 igep2_smsc911x_resources[0].end = cs_mem_base + 0xff;
190 if ((gpio_request(IGEP2_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
191 (gpio_direction_input(IGEP2_SMSC911X_GPIO) == 0)) {
192 gpio_export(IGEP2_SMSC911X_GPIO, 0);
194 pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n");
198 platform_device_register(&igep2_smsc911x_device);
202 static inline void __init igep2_init_smsc911x(void) { }
205 static struct omap_board_config_kernel igep2_config[] __initdata = {
208 static struct regulator_consumer_supply igep2_vmmc1_supply = {
212 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
213 static struct regulator_init_data igep2_vmmc1 = {
217 .valid_modes_mask = REGULATOR_MODE_NORMAL
218 | REGULATOR_MODE_STANDBY,
219 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
220 | REGULATOR_CHANGE_MODE
221 | REGULATOR_CHANGE_STATUS,
223 .num_consumer_supplies = 1,
224 .consumer_supplies = &igep2_vmmc1_supply,
227 static struct omap2_hsmmc_info mmc[] = {
243 static int igep2_twl_gpio_setup(struct device *dev,
244 unsigned gpio, unsigned ngpio)
246 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
247 mmc[0].gpio_cd = gpio + 0;
248 omap2_hsmmc_init(mmc);
250 /* link regulators to MMC adapters ... we "know" the
251 * regulators will be set up only *after* we return.
253 igep2_vmmc1_supply.dev = mmc[0].dev;
258 static struct twl4030_gpio_platform_data igep2_gpio_data = {
259 .gpio_base = OMAP_MAX_GPIO_LINES,
260 .irq_base = TWL4030_GPIO_IRQ_BASE,
261 .irq_end = TWL4030_GPIO_IRQ_END,
263 .setup = igep2_twl_gpio_setup,
266 static struct twl4030_usb_data igep2_usb_data = {
267 .usb_mode = T2_USB_MODE_ULPI,
270 static int igep2_enable_dvi(struct omap_dss_device *dssdev)
272 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1);
277 static void igep2_disable_dvi(struct omap_dss_device *dssdev)
279 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 0);
282 static struct omap_dss_device igep2_dvi_device = {
283 .type = OMAP_DISPLAY_TYPE_DPI,
285 .driver_name = "generic_panel",
286 .phy.dpi.data_lines = 24,
287 .platform_enable = igep2_enable_dvi,
288 .platform_disable = igep2_disable_dvi,
291 static struct omap_dss_device *igep2_dss_devices[] = {
295 static struct omap_dss_board_info igep2_dss_data = {
296 .num_devices = ARRAY_SIZE(igep2_dss_devices),
297 .devices = igep2_dss_devices,
298 .default_device = &igep2_dvi_device,
301 static struct platform_device igep2_dss_device = {
305 .platform_data = &igep2_dss_data,
309 static struct regulator_consumer_supply igep2_vpll2_supply = {
310 .supply = "vdds_dsi",
311 .dev = &igep2_dss_device.dev,
314 static struct regulator_init_data igep2_vpll2 = {
320 .valid_modes_mask = REGULATOR_MODE_NORMAL
321 | REGULATOR_MODE_STANDBY,
322 .valid_ops_mask = REGULATOR_CHANGE_MODE
323 | REGULATOR_CHANGE_STATUS,
325 .num_consumer_supplies = 1,
326 .consumer_supplies = &igep2_vpll2_supply,
329 static void __init igep2_display_init(void)
331 if (gpio_request(IGEP2_GPIO_DVI_PUP, "GPIO_DVI_PUP") &&
332 gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1))
333 pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
336 static struct platform_device *igep2_devices[] __initdata = {
340 static void __init igep2_init_irq(void)
342 omap_board_config = igep2_config;
343 omap_board_config_size = ARRAY_SIZE(igep2_config);
344 omap2_init_common_hw(m65kxxxxam_sdrc_params, m65kxxxxam_sdrc_params);
349 static struct twl4030_codec_audio_data igep2_audio_data = {
350 .audio_mclk = 26000000,
353 static struct twl4030_codec_data igep2_codec_data = {
354 .audio_mclk = 26000000,
355 .audio = &igep2_audio_data,
358 static struct twl4030_platform_data igep2_twldata = {
359 .irq_base = TWL4030_IRQ_BASE,
360 .irq_end = TWL4030_IRQ_END,
362 /* platform_data for children goes here */
363 .usb = &igep2_usb_data,
364 .codec = &igep2_codec_data,
365 .gpio = &igep2_gpio_data,
366 .vmmc1 = &igep2_vmmc1,
367 .vpll2 = &igep2_vpll2,
371 static struct i2c_board_info __initdata igep2_i2c_boardinfo[] = {
373 I2C_BOARD_INFO("twl4030", 0x48),
374 .flags = I2C_CLIENT_WAKE,
375 .irq = INT_34XX_SYS_NIRQ,
376 .platform_data = &igep2_twldata,
380 static int __init igep2_i2c_init(void)
382 omap_register_i2c_bus(1, 2600, igep2_i2c_boardinfo,
383 ARRAY_SIZE(igep2_i2c_boardinfo));
384 /* Bus 3 is attached to the DVI port where devices like the pico DLP
385 * projector don't work reliably with 400kHz */
386 omap_register_i2c_bus(3, 100, NULL, 0);
390 static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
391 .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
392 .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
393 .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
396 .reset_gpio_port[0] = -EINVAL,
397 .reset_gpio_port[1] = IGEP2_GPIO_USBH_NRESET,
398 .reset_gpio_port[2] = -EINVAL,
401 #ifdef CONFIG_OMAP_MUX
402 static struct omap_board_mux board_mux[] __initdata = {
403 { .reg_offset = OMAP_MUX_TERMINATOR },
406 #define board_mux NULL
409 static void __init igep2_init(void)
411 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
413 platform_add_devices(igep2_devices, ARRAY_SIZE(igep2_devices));
416 usb_ehci_init(&ehci_pdata);
419 igep2_display_init();
420 igep2_init_smsc911x();
422 /* GPIO userspace leds */
423 if ((gpio_request(IGEP2_GPIO_LED0_RED, "GPIO_LED0_RED") == 0) &&
424 (gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) {
425 gpio_export(IGEP2_GPIO_LED0_RED, 0);
426 gpio_set_value(IGEP2_GPIO_LED0_RED, 0);
428 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
430 if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "GPIO_LED0_GREEN") == 0) &&
431 (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) {
432 gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
433 gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0);
435 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
437 if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_LED1_RED") == 0) &&
438 (gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) {
439 gpio_export(IGEP2_GPIO_LED1_RED, 0);
440 gpio_set_value(IGEP2_GPIO_LED1_RED, 0);
442 pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
445 static void __init igep2_map_io(void)
447 omap2_set_globals_343x();
448 omap34xx_map_common_io();
451 MACHINE_START(IGEP0020, "IGEP v2 board")
452 .phys_io = 0x48000000,
453 .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
454 .boot_params = 0x80000100,
455 .map_io = igep2_map_io,
456 .init_irq = igep2_init_irq,
457 .init_machine = igep2_init,
458 .timer = &omap_timer,