2 * linux/arch/arm/mach-omap1/board-h2.c
4 * Board specific inits for OMAP-1610 H2
6 * Copyright (C) 2001 RidgeRun, Inc.
7 * Author: Greg Lonnon <glonnon@ridgerun.com>
9 * Copyright (C) 2002 MontaVista Software, Inc.
11 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
12 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
14 * H2 specific changes and cleanup
15 * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License version 2 as
19 * published by the Free Software Foundation.
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/platform_device.h>
25 #include <linux/delay.h>
26 #include <linux/i2c.h>
27 #include <linux/mtd/mtd.h>
28 #include <linux/mtd/nand.h>
29 #include <linux/mtd/partitions.h>
30 #include <linux/input.h>
31 #include <linux/i2c/tps65010.h>
32 #include <linux/workqueue.h>
33 #include <linux/clk.h>
35 #include <mach/hardware.h>
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/flash.h>
41 #include <asm/mach/map.h>
43 #include <mach/gpio.h>
44 #include <mach/gpio-switch.h>
47 #include <mach/nand.h>
48 #include <mach/irda.h>
50 #include <mach/keypad.h>
51 #include <mach/common.h>
53 static int h2_keymap[] = {
92 static struct mtd_partition h2_nor_partitions[] = {
93 /* bootloader (U-Boot, etc) in first sector */
98 .mask_flags = MTD_WRITEABLE, /* force read-only */
100 /* bootloader params in the next sector */
103 .offset = MTDPART_OFS_APPEND,
110 .offset = MTDPART_OFS_APPEND,
116 .name = "filesystem",
117 .offset = MTDPART_OFS_APPEND,
118 .size = MTDPART_SIZ_FULL,
123 static struct flash_platform_data h2_nor_data = {
124 .map_name = "cfi_probe",
126 .parts = h2_nor_partitions,
127 .nr_parts = ARRAY_SIZE(h2_nor_partitions),
130 static struct resource h2_nor_resource = {
131 /* This is on CS3, wherever it's mapped */
132 .flags = IORESOURCE_MEM,
135 static struct platform_device h2_nor_device = {
139 .platform_data = &h2_nor_data,
142 .resource = &h2_nor_resource,
145 static struct mtd_partition h2_nand_partitions[] = {
147 /* REVISIT: enable these partitions if you make NAND BOOT
148 * work on your H2 (rev C or newer); published versions of
149 * x-load only support P2 and H3.
155 .mask_flags = MTD_WRITEABLE, /* force read-only */
158 .name = "bootloader",
159 .offset = MTDPART_OFS_APPEND,
161 .mask_flags = MTD_WRITEABLE, /* force read-only */
165 .offset = MTDPART_OFS_APPEND,
170 .offset = MTDPART_OFS_APPEND,
175 .name = "filesystem",
176 .size = MTDPART_SIZ_FULL,
177 .offset = MTDPART_OFS_APPEND,
181 /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
182 static struct omap_nand_platform_data h2_nand_data = {
183 .options = NAND_SAMSUNG_LP_OPTIONS,
184 .parts = h2_nand_partitions,
185 .nr_parts = ARRAY_SIZE(h2_nand_partitions),
188 static struct resource h2_nand_resource = {
189 .flags = IORESOURCE_MEM,
192 static struct platform_device h2_nand_device = {
196 .platform_data = &h2_nand_data,
199 .resource = &h2_nand_resource,
202 static struct resource h2_smc91x_resources[] = {
204 .start = OMAP1610_ETHR_START, /* Physical */
205 .end = OMAP1610_ETHR_START + 0xf,
206 .flags = IORESOURCE_MEM,
209 .start = OMAP_GPIO_IRQ(0),
210 .end = OMAP_GPIO_IRQ(0),
211 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
215 static struct platform_device h2_smc91x_device = {
218 .num_resources = ARRAY_SIZE(h2_smc91x_resources),
219 .resource = h2_smc91x_resources,
222 static struct resource h2_kp_resources[] = {
224 .start = INT_KEYBOARD,
226 .flags = IORESOURCE_IRQ,
230 static struct omap_kp_platform_data h2_kp_data = {
234 .keymapsize = ARRAY_SIZE(h2_keymap),
240 static struct platform_device h2_kp_device = {
241 .name = "omap-keypad",
244 .platform_data = &h2_kp_data,
246 .num_resources = ARRAY_SIZE(h2_kp_resources),
247 .resource = h2_kp_resources,
250 #define H2_IRDA_FIRSEL_GPIO_PIN 17
252 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
253 static int h2_transceiver_mode(struct device *dev, int state)
255 /* SIR when low, else MIR/FIR when HIGH */
256 gpio_set_value(H2_IRDA_FIRSEL_GPIO_PIN, !(state & IR_SIRMODE));
261 static struct omap_irda_config h2_irda_data = {
262 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
263 .rx_channel = OMAP_DMA_UART3_RX,
264 .tx_channel = OMAP_DMA_UART3_TX,
265 .dest_start = UART3_THR,
266 .src_start = UART3_RHR,
271 static struct resource h2_irda_resources[] = {
275 .flags = IORESOURCE_IRQ,
279 static u64 irda_dmamask = 0xffffffff;
281 static struct platform_device h2_irda_device = {
285 .platform_data = &h2_irda_data,
286 .dma_mask = &irda_dmamask,
288 .num_resources = ARRAY_SIZE(h2_irda_resources),
289 .resource = h2_irda_resources,
292 static struct platform_device h2_lcd_device = {
297 static struct platform_device *h2_devices[] __initdata = {
306 static void __init h2_init_smc91x(void)
308 if (gpio_request(0, "SMC91x irq") < 0) {
309 printk("Error requesting gpio 0 for smc91x irq\n");
314 static int tps_setup(struct i2c_client *client, void *context)
316 tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
317 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
322 static struct tps65010_board tps_board = {
323 .base = H2_TPS_GPIO_BASE,
328 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
330 I2C_BOARD_INFO("tps65010", 0x48),
331 .irq = OMAP_GPIO_IRQ(58),
332 .platform_data = &tps_board,
334 I2C_BOARD_INFO("isp1301_omap", 0x2d),
335 .irq = OMAP_GPIO_IRQ(2),
339 static void __init h2_init_irq(void)
341 omap1_init_common_hw();
347 static struct omap_usb_config h2_usb_config __initdata = {
348 /* usb1 has a Mini-AB port and external isp1301 transceiver */
351 #ifdef CONFIG_USB_GADGET_OMAP
352 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
353 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
354 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
355 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
356 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
362 static struct omap_uart_config h2_uart_config __initdata = {
363 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
366 static struct omap_lcd_config h2_lcd_config __initdata = {
367 .ctrl_name = "internal",
370 static struct omap_board_config_kernel h2_config[] __initdata = {
371 { OMAP_TAG_USB, &h2_usb_config },
372 { OMAP_TAG_UART, &h2_uart_config },
373 { OMAP_TAG_LCD, &h2_lcd_config },
376 #define H2_NAND_RB_GPIO_PIN 62
378 static int h2_nand_dev_ready(struct omap_nand_platform_data *data)
380 return gpio_get_value(H2_NAND_RB_GPIO_PIN);
383 static void __init h2_init(void)
385 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
386 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
387 * notice whether a NAND chip is enabled at probe time.
389 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
390 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
391 * detecting that in code here, to avoid probing every possible flash
394 h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
395 h2_nor_resource.end += SZ_32M - 1;
397 h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
398 h2_nand_resource.end += SZ_4K - 1;
399 if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
401 gpio_direction_input(H2_NAND_RB_GPIO_PIN);
403 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
404 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
406 /* MMC: card detect and WP */
407 /* omap_cfg_reg(U19_ARMIO1); */ /* CD */
408 omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */
411 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
412 omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
413 if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
414 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
415 h2_irda_data.transceiver_mode = h2_transceiver_mode;
419 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
420 omap_board_config = h2_config;
421 omap_board_config_size = ARRAY_SIZE(h2_config);
423 omap_register_i2c_bus(1, 100, h2_i2c_board_info,
424 ARRAY_SIZE(h2_i2c_board_info));
428 static void __init h2_map_io(void)
430 omap1_map_common_io();
433 MACHINE_START(OMAP_H2, "TI-H2")
434 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
435 .phys_io = 0xfff00000,
436 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
437 .boot_params = 0x10000100,
439 .init_irq = h2_init_irq,
440 .init_machine = h2_init,
441 .timer = &omap_timer,