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>
29 #include <linux/i2c/tps65010.h>
31 #include <asm/setup.h>
33 #include <asm/hardware.h>
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/flash.h>
39 #include <asm/mach/map.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/nand.h>
46 #include <asm/arch/irda.h>
47 #include <asm/arch/usb.h>
48 #include <asm/arch/keypad.h>
49 #include <asm/arch/dma.h>
50 #include <asm/arch/common.h>
51 #include <asm/arch/mcbsp.h>
52 #include <asm/arch/omap-alsa.h>
54 extern int omap_gpio_init(void);
56 static int h3_keymap[] = {
96 static struct mtd_partition nor_partitions[] = {
97 /* bootloader (U-Boot, etc) in first sector */
102 .mask_flags = MTD_WRITEABLE, /* force read-only */
104 /* bootloader params in the next sector */
107 .offset = MTDPART_OFS_APPEND,
114 .offset = MTDPART_OFS_APPEND,
120 .name = "filesystem",
121 .offset = MTDPART_OFS_APPEND,
122 .size = MTDPART_SIZ_FULL,
127 static struct flash_platform_data nor_data = {
128 .map_name = "cfi_probe",
130 .parts = nor_partitions,
131 .nr_parts = ARRAY_SIZE(nor_partitions),
134 static struct resource nor_resource = {
135 /* This is on CS3, wherever it's mapped */
136 .flags = IORESOURCE_MEM,
139 static struct platform_device nor_device = {
143 .platform_data = &nor_data,
146 .resource = &nor_resource,
149 static struct mtd_partition nand_partitions[] = {
151 /* REVISIT: enable these partitions if you make NAND BOOT work */
156 .mask_flags = MTD_WRITEABLE, /* force read-only */
159 .name = "bootloader",
160 .offset = MTDPART_OFS_APPEND,
162 .mask_flags = MTD_WRITEABLE, /* force read-only */
166 .offset = MTDPART_OFS_APPEND,
171 .offset = MTDPART_OFS_APPEND,
176 .name = "filesystem",
177 .size = MTDPART_SIZ_FULL,
178 .offset = MTDPART_OFS_APPEND,
182 /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
183 static struct omap_nand_platform_data nand_data = {
184 .options = NAND_SAMSUNG_LP_OPTIONS,
185 .parts = nand_partitions,
186 .nr_parts = ARRAY_SIZE(nand_partitions),
189 static struct resource nand_resource = {
190 .flags = IORESOURCE_MEM,
193 static struct platform_device nand_device = {
197 .platform_data = &nand_data,
200 .resource = &nand_resource,
203 static struct resource smc91x_resources[] = {
205 .start = OMAP1710_ETHR_START, /* Physical */
206 .end = OMAP1710_ETHR_START + 0xf,
207 .flags = IORESOURCE_MEM,
210 .start = OMAP_GPIO_IRQ(40),
211 .end = OMAP_GPIO_IRQ(40),
212 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
216 static struct platform_device smc91x_device = {
219 .num_resources = ARRAY_SIZE(smc91x_resources),
220 .resource = smc91x_resources,
223 #define GPTIMER_BASE 0xFFFB1400
224 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
225 #define GPTIMER_REGS_SIZE 0x46
227 static struct resource intlat_resources[] = {
229 .start = GPTIMER_REGS(0), /* Physical */
230 .end = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
231 .flags = IORESOURCE_MEM,
234 .start = INT_1610_GPTIMER1,
235 .end = INT_1610_GPTIMER1,
236 .flags = IORESOURCE_IRQ,
240 static struct platform_device intlat_device = {
241 .name = "omap_intlat",
243 .num_resources = ARRAY_SIZE(intlat_resources),
244 .resource = intlat_resources,
247 static struct resource h3_kp_resources[] = {
249 .start = INT_KEYBOARD,
251 .flags = IORESOURCE_IRQ,
255 static struct omap_kp_platform_data h3_kp_data = {
259 .keymapsize = ARRAY_SIZE(h3_keymap),
265 static struct platform_device h3_kp_device = {
266 .name = "omap-keypad",
269 .platform_data = &h3_kp_data,
271 .num_resources = ARRAY_SIZE(h3_kp_resources),
272 .resource = h3_kp_resources,
276 /* Select between the IrDA and aGPS module
278 static int h3_select_irda(struct device *dev, int state)
283 if ((err = read_gpio_expa(&expa, 0x26))) {
284 printk(KERN_ERR "Error reading from I/O EXPANDER \n");
288 /* 'P6' enable/disable IRDA_TX and IRDA_RX */
289 if (state & IR_SEL) { /* IrDA */
290 if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
291 printk(KERN_ERR "Error writing to I/O EXPANDER \n");
295 if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
296 printk(KERN_ERR "Error writing to I/O EXPANDER \n");
303 static void set_trans_mode(struct work_struct *work)
305 struct omap_irda_config *irda_config =
306 container_of(work, struct omap_irda_config, gpio_expa.work);
307 int mode = irda_config->mode;
311 if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
312 printk(KERN_ERR "Error reading from I/O expander\n");
317 if (mode & IR_SIRMODE) {
319 } else { /* MIR/FIR */
323 if ((err = write_gpio_expa(expa, 0x27)) != 0) {
324 printk(KERN_ERR "Error writing to I/O expander\n");
328 static int h3_transceiver_mode(struct device *dev, int mode)
330 struct omap_irda_config *irda_config = dev->platform_data;
332 irda_config->mode = mode;
333 cancel_delayed_work(&irda_config->gpio_expa);
334 PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
335 schedule_delayed_work(&irda_config->gpio_expa, 0);
340 static struct omap_irda_config h3_irda_data = {
341 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
342 .transceiver_mode = h3_transceiver_mode,
343 .select_irda = h3_select_irda,
344 .rx_channel = OMAP_DMA_UART3_RX,
345 .tx_channel = OMAP_DMA_UART3_TX,
346 .dest_start = UART3_THR,
347 .src_start = UART3_RHR,
352 static struct resource h3_irda_resources[] = {
356 .flags = IORESOURCE_IRQ,
360 static u64 irda_dmamask = 0xffffffff;
362 static struct platform_device h3_irda_device = {
366 .platform_data = &h3_irda_data,
367 .dma_mask = &irda_dmamask,
369 .num_resources = ARRAY_SIZE(h3_irda_resources),
370 .resource = h3_irda_resources,
373 static struct platform_device h3_lcd_device = {
378 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
379 .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
380 .spcr1 = RINTM(3) | RRST,
381 .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
382 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
383 .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
384 .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
385 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
386 .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
388 .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
390 .pcr0 = CLKRM | SCLKME | FSXP | FSRP | CLKXP | CLKRP,
391 /*.pcr0 = CLKXP | CLKRP,*/ /* mcbsp: slave */
394 static struct omap_alsa_codec_config alsa_config = {
395 .name = "H3 TSC2101",
396 .mcbsp_regs_alsa = &mcbsp_regs,
397 .codec_configure_dev = NULL, /* tsc2101_configure, */
398 .codec_set_samplerate = NULL, /* tsc2101_set_samplerate, */
399 .codec_clock_setup = NULL, /* tsc2101_clock_setup, */
400 .codec_clock_on = NULL, /* tsc2101_clock_on, */
401 .codec_clock_off = NULL, /* tsc2101_clock_off, */
402 .get_default_samplerate = NULL, /* tsc2101_get_default_samplerate, */
405 static struct platform_device h3_mcbsp1_device = {
406 .name = "omap_alsa_mcbsp",
409 .platform_data = &alsa_config,
413 static struct platform_device *devices[] __initdata = {
424 static struct omap_usb_config h3_usb_config __initdata = {
425 /* usb1 has a Mini-AB port and external isp1301 transceiver */
428 #ifdef CONFIG_USB_GADGET_OMAP
429 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
430 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
431 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
432 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
438 static struct omap_mmc_config h3_mmc_config __initdata = {
445 extern struct omap_mmc_platform_data h3_mmc_data;
447 static struct omap_uart_config h3_uart_config __initdata = {
448 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
451 static struct omap_lcd_config h3_lcd_config __initdata = {
452 .ctrl_name = "internal",
455 static struct omap_board_config_kernel h3_config[] = {
456 { OMAP_TAG_USB, &h3_usb_config },
457 { OMAP_TAG_MMC, &h3_mmc_config },
458 { OMAP_TAG_UART, &h3_uart_config },
459 { OMAP_TAG_LCD, &h3_lcd_config },
462 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
464 I2C_BOARD_INFO("tps65010", 0x48),
466 /* .irq = OMAP_GPIO_IRQ(??), */
468 /* TODO when driver support is ready:
469 * - isp1301 OTG transceiver
470 * - optional ov9640 camera sensor at 0x30
475 static struct omap_gpio_switch h3_gpio_switches[] __initdata = {
478 .gpio = OMAP_MPUIO(1),
479 .type = OMAP_GPIO_SWITCH_TYPE_COVER,
480 .debounce_rising = 100,
481 .debounce_falling = 0,
482 .notify = h3_mmc_slot_cover_handler,
487 #define H3_NAND_RB_GPIO_PIN 10
489 static int nand_dev_ready(struct omap_nand_platform_data *data)
491 return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN);
494 static void __init h3_init(void)
496 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
497 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
498 * notice whether a NAND chip is enabled at probe time.
500 * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
501 * (which on H2 may be 16bit) on CS3. Try detecting that in code here,
502 * to avoid probing every possible flash configuration...
504 nor_resource.end = nor_resource.start = omap_cs3_phys();
505 nor_resource.end += SZ_32M - 1;
507 nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
508 nand_resource.end += SZ_4K - 1;
509 if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))
510 nand_data.dev_ready = nand_dev_ready;
512 /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
513 /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
514 omap_cfg_reg(V2_1710_GPIO10);
516 platform_add_devices(devices, ARRAY_SIZE(devices));
517 omap_board_config = h3_config;
518 omap_board_config_size = ARRAY_SIZE(h3_config);
522 /* FIXME setup irq for tps65013 chip */
523 i2c_register_board_info(1, h3_i2c_board_info,
524 ARRAY_SIZE(h3_i2c_board_info));
527 static void __init h3_init_smc91x(void)
529 omap_cfg_reg(W15_1710_GPIO40);
530 if (omap_request_gpio(40) < 0) {
531 printk("Error requesting gpio 40 for smc91x irq\n");
536 static void __init h3_init_irq(void)
538 omap1_init_common_hw();
544 static void __init h3_map_io(void)
546 omap1_map_common_io();
549 #ifdef CONFIG_TPS65010
550 static int __init h3_tps_init(void)
552 if (!machine_is_omap_h3())
555 /* gpio4 for SD, gpio3 for VDD_DSP */
556 /* FIXME send power to DSP iff it's configured */
559 tps65013_set_low_pwr(ON);
563 fs_initcall(h3_tps_init);
566 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
567 /* Maintainer: Texas Instruments, Inc. */
568 .phys_io = 0xfff00000,
569 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
570 .boot_params = 0x10000100,
572 .init_irq = h3_init_irq,
573 .init_machine = h3_init,
574 .timer = &omap_timer,