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/dma.h>
44 #include <asm/arch/common.h>
46 extern int omap_gpio_init(void);
48 static int h2_keymap[] = {
87 static struct mtd_partition h2_nor_partitions[] = {
88 /* bootloader (U-Boot, etc) in first sector */
93 .mask_flags = MTD_WRITEABLE, /* force read-only */
95 /* bootloader params in the next sector */
98 .offset = MTDPART_OFS_APPEND,
105 .offset = MTDPART_OFS_APPEND,
111 .name = "filesystem",
112 .offset = MTDPART_OFS_APPEND,
113 .size = MTDPART_SIZ_FULL,
118 static struct flash_platform_data h2_nor_data = {
119 .map_name = "cfi_probe",
121 .parts = h2_nor_partitions,
122 .nr_parts = ARRAY_SIZE(h2_nor_partitions),
125 static struct resource h2_nor_resource = {
126 /* This is on CS3, wherever it's mapped */
127 .flags = IORESOURCE_MEM,
130 static struct platform_device h2_nor_device = {
134 .platform_data = &h2_nor_data,
137 .resource = &h2_nor_resource,
140 static struct mtd_partition h2_nand_partitions[] = {
142 /* REVISIT: enable these partitions if you make NAND BOOT
143 * work on your H2 (rev C or newer); published versions of
144 * x-load only support P2 and H3.
150 .mask_flags = MTD_WRITEABLE, /* force read-only */
153 .name = "bootloader",
154 .offset = MTDPART_OFS_APPEND,
156 .mask_flags = MTD_WRITEABLE, /* force read-only */
160 .offset = MTDPART_OFS_APPEND,
165 .offset = MTDPART_OFS_APPEND,
170 .name = "filesystem",
171 .size = MTDPART_SIZ_FULL,
172 .offset = MTDPART_OFS_APPEND,
176 /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
177 static struct nand_platform_data h2_nand_data = {
178 .options = NAND_SAMSUNG_LP_OPTIONS,
179 .parts = h2_nand_partitions,
180 .nr_parts = ARRAY_SIZE(h2_nand_partitions),
183 static struct resource h2_nand_resource = {
184 .flags = IORESOURCE_MEM,
187 static struct platform_device h2_nand_device = {
191 .platform_data = &h2_nand_data,
194 .resource = &h2_nand_resource,
197 static struct resource h2_smc91x_resources[] = {
199 .start = OMAP1610_ETHR_START, /* Physical */
200 .end = OMAP1610_ETHR_START + 0xf,
201 .flags = IORESOURCE_MEM,
204 .start = OMAP_GPIO_IRQ(0),
205 .end = OMAP_GPIO_IRQ(0),
206 .flags = IORESOURCE_IRQ,
210 static struct platform_device h2_smc91x_device = {
213 .num_resources = ARRAY_SIZE(h2_smc91x_resources),
214 .resource = h2_smc91x_resources,
217 static struct resource h2_kp_resources[] = {
219 .start = INT_KEYBOARD,
221 .flags = IORESOURCE_IRQ,
225 static struct omap_kp_platform_data h2_kp_data = {
232 static struct platform_device h2_kp_device = {
233 .name = "omap-keypad",
236 .platform_data = &h2_kp_data,
238 .num_resources = ARRAY_SIZE(h2_kp_resources),
239 .resource = h2_kp_resources,
242 #define H2_IRDA_FIRSEL_GPIO_PIN 17
244 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
245 static int h2_transceiver_mode(struct device *dev, int state)
247 if (state & IR_SIRMODE)
248 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
250 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
256 static struct omap_irda_config h2_irda_data = {
257 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
258 .rx_channel = OMAP_DMA_UART3_RX,
259 .tx_channel = OMAP_DMA_UART3_TX,
260 .dest_start = UART3_THR,
261 .src_start = UART3_RHR,
266 static struct resource h2_irda_resources[] = {
270 .flags = IORESOURCE_IRQ,
273 static struct platform_device h2_irda_device = {
277 .platform_data = &h2_irda_data,
279 .num_resources = ARRAY_SIZE(h2_irda_resources),
280 .resource = h2_irda_resources,
283 static struct platform_device h2_lcd_device = {
288 static struct platform_device *h2_devices[] __initdata = {
297 static void __init h2_init_smc91x(void)
299 if ((omap_request_gpio(0)) < 0) {
300 printk("Error requesting gpio 0 for smc91x irq\n");
305 static void __init h2_init_irq(void)
307 omap1_init_common_hw();
313 static struct omap_usb_config h2_usb_config __initdata = {
314 /* usb1 has a Mini-AB port and external isp1301 transceiver */
317 #ifdef CONFIG_USB_GADGET_OMAP
318 .hmc_mode = 19, // 0:host(off) 1:dev|otg 2:disabled
319 // .hmc_mode = 21, // 0:host(off) 1:dev(loopback) 2:host(loopback)
320 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
321 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
322 .hmc_mode = 20, // 1:dev|otg(off) 1:host 2:disabled
328 static struct omap_mmc_config h2_mmc_config __initdata = {
332 .wp_pin = OMAP_MPUIO(3),
333 .power_pin = -1, /* tps65010 gpio3 */
334 .switch_pin = OMAP_MPUIO(1),
338 static struct omap_uart_config h2_uart_config __initdata = {
339 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
342 static struct omap_lcd_config h2_lcd_config __initdata = {
343 .ctrl_name = "internal",
346 static struct omap_board_config_kernel h2_config[] = {
347 { OMAP_TAG_USB, &h2_usb_config },
348 { OMAP_TAG_MMC, &h2_mmc_config },
349 { OMAP_TAG_UART, &h2_uart_config },
350 { OMAP_TAG_LCD, &h2_lcd_config },
353 #define H2_NAND_RB_GPIO_PIN 62
355 static int h2_nand_dev_ready(struct nand_platform_data *data)
357 return omap_get_gpio_datain(H2_NAND_RB_GPIO_PIN);
360 static void __init h2_init(void)
362 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
363 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
364 * notice whether a NAND chip is enabled at probe time.
366 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
367 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
368 * detecting that in code here, to avoid probing every possible flash
371 h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
372 h2_nor_resource.end += SZ_32M - 1;
374 h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
375 h2_nand_resource.end += SZ_4K - 1;
376 if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN)))
377 h2_nand_data.dev_ready = h2_nand_dev_ready;
379 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
380 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
382 /* MMC: card detect and WP */
383 // omap_cfg_reg(U19_ARMIO1); /* CD */
384 omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */
387 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
388 omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
389 if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
390 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
391 h2_irda_data.transceiver_mode = h2_transceiver_mode;
395 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
396 omap_board_config = h2_config;
397 omap_board_config_size = ARRAY_SIZE(h2_config);
401 static void __init h2_map_io(void)
403 omap1_map_common_io();
406 MACHINE_START(OMAP_H2, "TI-H2")
407 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
408 .phys_io = 0xfff00000,
409 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
410 .boot_params = 0x10000100,
412 .init_irq = h2_init_irq,
413 .init_machine = h2_init,
414 .timer = &omap_timer,