2 * linux/arch/arm/mach-omap1/board-h3.c
4 * This file contains OMAP1710 H3 specific code.
6 * Copyright (C) 2004 Texas Instruments, Inc.
7 * Copyright (C) 2002 MontaVista Software, Inc.
8 * Copyright (C) 2001 RidgeRun, Inc.
9 * Author: RidgeRun, Inc.
10 * Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
17 #include <linux/types.h>
18 #include <linux/init.h>
19 #include <linux/major.h>
20 #include <linux/kernel.h>
21 #include <linux/platform_device.h>
22 #include <linux/errno.h>
23 #include <linux/workqueue.h>
24 #include <linux/i2c.h>
25 #include <linux/mtd/mtd.h>
26 #include <linux/mtd/nand.h>
27 #include <linux/mtd/partitions.h>
28 #include <linux/input.h>
30 #include <asm/setup.h>
32 #include <asm/hardware.h>
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/flash.h>
38 #include <asm/mach/map.h>
40 #include <asm/arch/tps65010.h>
41 #include <asm/arch/gpioexpander.h>
42 #include <asm/arch/irqs.h>
43 #include <asm/arch/mux.h>
44 #include <asm/arch/tc.h>
45 #include <asm/arch/irda.h>
46 #include <asm/arch/usb.h>
47 #include <asm/arch/keypad.h>
48 #include <asm/arch/dma.h>
49 #include <asm/arch/common.h>
51 extern int omap_gpio_init(void);
53 static int h3_keymap[] = {
93 static struct mtd_partition nor_partitions[] = {
94 /* bootloader (U-Boot, etc) in first sector */
99 .mask_flags = MTD_WRITEABLE, /* force read-only */
101 /* bootloader params in the next sector */
104 .offset = MTDPART_OFS_APPEND,
111 .offset = MTDPART_OFS_APPEND,
117 .name = "filesystem",
118 .offset = MTDPART_OFS_APPEND,
119 .size = MTDPART_SIZ_FULL,
124 static struct flash_platform_data nor_data = {
125 .map_name = "cfi_probe",
127 .parts = nor_partitions,
128 .nr_parts = ARRAY_SIZE(nor_partitions),
131 static struct resource nor_resource = {
132 /* This is on CS3, wherever it's mapped */
133 .flags = IORESOURCE_MEM,
136 static struct platform_device nor_device = {
140 .platform_data = &nor_data,
143 .resource = &nor_resource,
146 static struct mtd_partition nand_partitions[] = {
148 /* REVISIT: enable these partitions if you make NAND BOOT work */
153 .mask_flags = MTD_WRITEABLE, /* force read-only */
156 .name = "bootloader",
157 .offset = MTDPART_OFS_APPEND,
159 .mask_flags = MTD_WRITEABLE, /* force read-only */
163 .offset = MTDPART_OFS_APPEND,
168 .offset = MTDPART_OFS_APPEND,
173 .name = "filesystem",
174 .size = MTDPART_SIZ_FULL,
175 .offset = MTDPART_OFS_APPEND,
179 /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
180 static struct nand_platform_data nand_data = {
181 .options = NAND_SAMSUNG_LP_OPTIONS,
182 .parts = nand_partitions,
183 .nr_parts = ARRAY_SIZE(nand_partitions),
186 static struct resource nand_resource = {
187 .flags = IORESOURCE_MEM,
190 static struct platform_device nand_device = {
194 .platform_data = &nand_data,
197 .resource = &nand_resource,
200 static struct resource smc91x_resources[] = {
202 .start = OMAP1710_ETHR_START, /* Physical */
203 .end = OMAP1710_ETHR_START + 0xf,
204 .flags = IORESOURCE_MEM,
207 .start = OMAP_GPIO_IRQ(40),
208 .end = OMAP_GPIO_IRQ(40),
209 .flags = IORESOURCE_IRQ,
213 static struct platform_device smc91x_device = {
216 .num_resources = ARRAY_SIZE(smc91x_resources),
217 .resource = smc91x_resources,
220 #define GPTIMER_BASE 0xFFFB1400
221 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
222 #define GPTIMER_REGS_SIZE 0x46
224 static struct resource intlat_resources[] = {
226 .start = GPTIMER_REGS(0), /* Physical */
227 .end = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
228 .flags = IORESOURCE_MEM,
231 .start = INT_1610_GPTIMER1,
232 .end = INT_1610_GPTIMER1,
233 .flags = IORESOURCE_IRQ,
237 static struct platform_device intlat_device = {
238 .name = "omap_intlat",
240 .num_resources = ARRAY_SIZE(intlat_resources),
241 .resource = intlat_resources,
244 static struct resource h3_kp_resources[] = {
246 .start = INT_KEYBOARD,
248 .flags = IORESOURCE_IRQ,
252 static struct omap_kp_platform_data h3_kp_data = {
256 .keymapsize = ARRAY_SIZE(h3_keymap),
262 static struct platform_device h3_kp_device = {
263 .name = "omap-keypad",
266 .platform_data = &h3_kp_data,
268 .num_resources = ARRAY_SIZE(h3_kp_resources),
269 .resource = h3_kp_resources,
273 /* Select between the IrDA and aGPS module
275 static int h3_select_irda(struct device *dev, int state)
280 if ((err = read_gpio_expa(&expa, 0x26))) {
281 printk(KERN_ERR "Error reading from I/O EXPANDER \n");
285 /* 'P6' enable/disable IRDA_TX and IRDA_RX */
286 if (state & IR_SEL) { /* IrDA */
287 if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
288 printk(KERN_ERR "Error writing to I/O EXPANDER \n");
292 if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
293 printk(KERN_ERR "Error writing to I/O EXPANDER \n");
300 static void set_trans_mode(struct work_struct *work)
302 struct omap_irda_config *irda_config =
303 container_of(work, struct omap_irda_config, gpio_expa.work);
304 int mode = irda_config->mode;
308 if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
309 printk(KERN_ERR "Error reading from I/O expander\n");
314 if (mode & IR_SIRMODE) {
316 } else { /* MIR/FIR */
320 if ((err = write_gpio_expa(expa, 0x27)) != 0) {
321 printk(KERN_ERR "Error writing to I/O expander\n");
325 static int h3_transceiver_mode(struct device *dev, int mode)
327 struct omap_irda_config *irda_config = dev->platform_data;
329 irda_config->mode = mode;
330 cancel_delayed_work(&irda_config->gpio_expa);
331 PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
332 schedule_delayed_work(&irda_config->gpio_expa, 0);
337 static struct omap_irda_config h3_irda_data = {
338 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
339 .transceiver_mode = h3_transceiver_mode,
340 .select_irda = h3_select_irda,
341 .rx_channel = OMAP_DMA_UART3_RX,
342 .tx_channel = OMAP_DMA_UART3_TX,
343 .dest_start = UART3_THR,
344 .src_start = UART3_RHR,
349 static struct resource h3_irda_resources[] = {
353 .flags = IORESOURCE_IRQ,
357 static struct platform_device h3_irda_device = {
361 .platform_data = &h3_irda_data,
363 .num_resources = ARRAY_SIZE(h3_irda_resources),
364 .resource = h3_irda_resources,
367 static struct platform_device h3_lcd_device = {
372 static struct platform_device *devices[] __initdata = {
382 static struct omap_usb_config h3_usb_config __initdata = {
383 /* usb1 has a Mini-AB port and external isp1301 transceiver */
386 #ifdef CONFIG_USB_GADGET_OMAP
387 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
388 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
389 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
390 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
396 static struct omap_mmc_config h3_mmc_config __initdata = {
399 .power_pin = -1, /* tps65010 GPIO4 */
400 .switch_pin = OMAP_MPUIO(1),
404 static struct omap_uart_config h3_uart_config __initdata = {
405 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
408 static struct omap_lcd_config h3_lcd_config __initdata = {
409 .ctrl_name = "internal",
412 static struct omap_board_config_kernel h3_config[] = {
413 { OMAP_TAG_USB, &h3_usb_config },
414 { OMAP_TAG_MMC, &h3_mmc_config },
415 { OMAP_TAG_UART, &h3_uart_config },
416 { OMAP_TAG_LCD, &h3_lcd_config },
419 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
421 I2C_BOARD_INFO("tps65010", 0x48),
423 /* .irq = OMAP_GPIO_IRQ(??), */
425 /* TODO when driver support is ready:
426 * - isp1301 OTG transceiver
427 * - optional ov9640 camera sensor at 0x30
432 #define H3_NAND_RB_GPIO_PIN 10
434 static int nand_dev_ready(struct nand_platform_data *data)
436 return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN);
439 static void __init h3_init(void)
441 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
442 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
443 * notice whether a NAND chip is enabled at probe time.
445 * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
446 * (which on H2 may be 16bit) on CS3. Try detecting that in code here,
447 * to avoid probing every possible flash configuration...
449 nor_resource.end = nor_resource.start = omap_cs3_phys();
450 nor_resource.end += SZ_32M - 1;
452 nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
453 nand_resource.end += SZ_4K - 1;
454 if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))
455 nand_data.dev_ready = nand_dev_ready;
457 /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
458 /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
459 omap_cfg_reg(V2_1710_GPIO10);
461 platform_add_devices(devices, ARRAY_SIZE(devices));
462 omap_board_config = h3_config;
463 omap_board_config_size = ARRAY_SIZE(h3_config);
466 /* FIXME setup irq for tps65013 chip */
467 i2c_register_board_info(1, h3_i2c_board_info,
468 ARRAY_SIZE(h3_i2c_board_info));
471 static void __init h3_init_smc91x(void)
473 omap_cfg_reg(W15_1710_GPIO40);
474 if (omap_request_gpio(40) < 0) {
475 printk("Error requesting gpio 40 for smc91x irq\n");
480 static void __init h3_init_irq(void)
482 omap1_init_common_hw();
488 static void __init h3_map_io(void)
490 omap1_map_common_io();
493 #ifdef CONFIG_TPS65010
494 static int __init h3_tps_init(void)
496 if (!machine_is_omap_h3())
499 /* gpio4 for SD, gpio3 for VDD_DSP */
500 /* FIXME send power to DSP iff it's configured */
503 tps65013_set_low_pwr(ON);
507 fs_initcall(h3_tps_init);
510 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
511 /* Maintainer: Texas Instruments, Inc. */
512 .phys_io = 0xfff00000,
513 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
514 .boot_params = 0x10000100,
516 .init_irq = h3_init_irq,
517 .init_machine = h3_init,
518 .timer = &omap_timer,