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/mtd/mtd.h>
27 #include <linux/mtd/nand.h>
28 #include <linux/mtd/partitions.h>
29 #include <linux/input.h>
31 #include <asm/hardware.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/flash.h>
35 #include <asm/mach/map.h>
37 #include <asm/arch/gpio.h>
38 #include <asm/arch/mux.h>
39 #include <asm/arch/tc.h>
40 #include <asm/arch/irda.h>
41 #include <asm/arch/usb.h>
42 #include <asm/arch/keypad.h>
43 #include <asm/arch/common.h>
45 extern int omap_gpio_init(void);
47 static int h2_keymap[] = {
86 static struct mtd_partition h2_nor_partitions[] = {
87 /* bootloader (U-Boot, etc) in first sector */
92 .mask_flags = MTD_WRITEABLE, /* force read-only */
94 /* bootloader params in the next sector */
97 .offset = MTDPART_OFS_APPEND,
104 .offset = MTDPART_OFS_APPEND,
110 .name = "filesystem",
111 .offset = MTDPART_OFS_APPEND,
112 .size = MTDPART_SIZ_FULL,
117 static struct flash_platform_data h2_nor_data = {
118 .map_name = "cfi_probe",
120 .parts = h2_nor_partitions,
121 .nr_parts = ARRAY_SIZE(h2_nor_partitions),
124 static struct resource h2_nor_resource = {
125 /* This is on CS3, wherever it's mapped */
126 .flags = IORESOURCE_MEM,
129 static struct platform_device h2_nor_device = {
133 .platform_data = &h2_nor_data,
136 .resource = &h2_nor_resource,
139 static struct mtd_partition h2_nand_partitions[] = {
141 /* REVISIT: enable these partitions if you make NAND BOOT
142 * work on your H2 (rev C or newer); published versions of
143 * x-load only support P2 and H3.
149 .mask_flags = MTD_WRITEABLE, /* force read-only */
152 .name = "bootloader",
153 .offset = MTDPART_OFS_APPEND,
155 .mask_flags = MTD_WRITEABLE, /* force read-only */
159 .offset = MTDPART_OFS_APPEND,
164 .offset = MTDPART_OFS_APPEND,
169 .name = "filesystem",
170 .size = MTDPART_SIZ_FULL,
171 .offset = MTDPART_OFS_APPEND,
175 /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
176 static struct nand_platform_data h2_nand_data = {
177 .options = NAND_SAMSUNG_LP_OPTIONS,
178 .parts = h2_nand_partitions,
179 .nr_parts = ARRAY_SIZE(h2_nand_partitions),
182 static struct resource h2_nand_resource = {
183 .flags = IORESOURCE_MEM,
186 static struct platform_device h2_nand_device = {
190 .platform_data = &h2_nand_data,
193 .resource = &h2_nand_resource,
196 static struct resource h2_smc91x_resources[] = {
198 .start = OMAP1610_ETHR_START, /* Physical */
199 .end = OMAP1610_ETHR_START + 0xf,
200 .flags = IORESOURCE_MEM,
203 .start = OMAP_GPIO_IRQ(0),
204 .end = OMAP_GPIO_IRQ(0),
205 .flags = IORESOURCE_IRQ,
209 static struct platform_device h2_smc91x_device = {
212 .num_resources = ARRAY_SIZE(h2_smc91x_resources),
213 .resource = h2_smc91x_resources,
216 static struct resource h2_kp_resources[] = {
218 .start = INT_KEYBOARD,
220 .flags = IORESOURCE_IRQ,
224 static struct omap_kp_platform_data h2_kp_data = {
231 static struct platform_device h2_kp_device = {
232 .name = "omap-keypad",
235 .platform_data = &h2_kp_data,
237 .num_resources = ARRAY_SIZE(h2_kp_resources),
238 .resource = h2_kp_resources,
241 #define H2_IRDA_FIRSEL_GPIO_PIN 17
243 static int h2_transceiver_mode(struct device *dev, int state)
245 if (state & IR_SIRMODE)
246 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
248 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
253 static struct omap_irda_config h2_irda_data = {
254 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
257 static struct resource h2_irda_resources[] = {
261 .flags = IORESOURCE_IRQ,
264 static struct platform_device h2_irda_device = {
268 .platform_data = &h2_irda_data,
270 .num_resources = ARRAY_SIZE(h2_irda_resources),
271 .resource = h2_irda_resources,
274 static struct platform_device *h2_devices[] __initdata = {
282 static void __init h2_init_smc91x(void)
284 if ((omap_request_gpio(0)) < 0) {
285 printk("Error requesting gpio 0 for smc91x irq\n");
290 static void __init h2_init_irq(void)
292 omap1_init_common_hw();
298 static struct omap_usb_config h2_usb_config __initdata = {
299 /* usb1 has a Mini-AB port and external isp1301 transceiver */
302 #ifdef CONFIG_USB_GADGET_OMAP
303 .hmc_mode = 19, // 0:host(off) 1:dev|otg 2:disabled
304 // .hmc_mode = 21, // 0:host(off) 1:dev(loopback) 2:host(loopback)
305 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
306 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
307 .hmc_mode = 20, // 1:dev|otg(off) 1:host 2:disabled
313 static struct omap_mmc_config h2_mmc_config __initdata = {
317 .wp_pin = OMAP_MPUIO(3),
318 .power_pin = -1, /* tps65010 gpio3 */
319 .switch_pin = OMAP_MPUIO(1),
323 static struct omap_uart_config h2_uart_config __initdata = {
324 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
327 static struct omap_lcd_config h2_lcd_config __initdata = {
329 .ctrl_name = "internal",
332 static struct omap_board_config_kernel h2_config[] = {
333 { OMAP_TAG_USB, &h2_usb_config },
334 { OMAP_TAG_MMC, &h2_mmc_config },
335 { OMAP_TAG_UART, &h2_uart_config },
336 { OMAP_TAG_LCD, &h2_lcd_config },
339 #define H2_NAND_RB_GPIO_PIN 62
341 static int h2_nand_dev_ready(struct nand_platform_data *data)
343 return omap_get_gpio_datain(H2_NAND_RB_GPIO_PIN);
346 static void __init h2_init(void)
348 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
349 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
350 * notice whether a NAND chip is enabled at probe time.
352 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
353 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
354 * detecting that in code here, to avoid probing every possible flash
357 h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
358 h2_nor_resource.end += SZ_32M - 1;
360 h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
361 h2_nand_resource.end += SZ_4K - 1;
362 if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN)))
363 h2_nand_data.dev_ready = h2_nand_dev_ready;
365 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
366 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
368 /* MMC: card detect and WP */
369 // omap_cfg_reg(U19_ARMIO1); /* CD */
370 omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */
373 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
374 omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
375 if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
376 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
377 h2_irda_data.transceiver_mode = h2_transceiver_mode;
381 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
382 omap_board_config = h2_config;
383 omap_board_config_size = ARRAY_SIZE(h2_config);
387 static void __init h2_map_io(void)
389 omap1_map_common_io();
392 MACHINE_START(OMAP_H2, "TI-H2")
393 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
394 .phys_io = 0xfff00000,
395 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
396 .boot_params = 0x10000100,
398 .init_irq = h2_init_irq,
399 .init_machine = h2_init,
400 .timer = &omap_timer,