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/mtd/mtd.h>
25 #include <linux/mtd/nand.h>
26 #include <linux/mtd/partitions.h>
27 #include <linux/input.h>
28 #include <linux/clk.h>
29 #include <linux/spi/spi.h>
30 #include <linux/spi/tsc2101.h>
32 #include <asm/setup.h>
34 #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/gpio.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>
50 #include <asm/arch/mcbsp.h>
51 #include <asm/arch/omap-alsa.h>
53 extern int omap_gpio_init(void);
55 static int h3_keymap[] = {
95 static struct mtd_partition nor_partitions[] = {
96 /* bootloader (U-Boot, etc) in first sector */
101 .mask_flags = MTD_WRITEABLE, /* force read-only */
103 /* bootloader params in the next sector */
106 .offset = MTDPART_OFS_APPEND,
113 .offset = MTDPART_OFS_APPEND,
119 .name = "filesystem",
120 .offset = MTDPART_OFS_APPEND,
121 .size = MTDPART_SIZ_FULL,
126 static struct flash_platform_data nor_data = {
127 .map_name = "cfi_probe",
129 .parts = nor_partitions,
130 .nr_parts = ARRAY_SIZE(nor_partitions),
133 static struct resource nor_resource = {
134 /* This is on CS3, wherever it's mapped */
135 .flags = IORESOURCE_MEM,
138 static struct platform_device nor_device = {
142 .platform_data = &nor_data,
145 .resource = &nor_resource,
148 static struct mtd_partition nand_partitions[] = {
150 /* REVISIT: enable these partitions if you make NAND BOOT work */
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 nand_platform_data nand_data = {
183 .options = NAND_SAMSUNG_LP_OPTIONS,
184 .parts = nand_partitions,
185 .nr_parts = ARRAY_SIZE(nand_partitions),
188 static struct resource nand_resource = {
189 .flags = IORESOURCE_MEM,
192 static struct platform_device nand_device = {
196 .platform_data = &nand_data,
199 .resource = &nand_resource,
202 static struct resource smc91x_resources[] = {
204 .start = OMAP1710_ETHR_START, /* Physical */
205 .end = OMAP1710_ETHR_START + 0xf,
206 .flags = IORESOURCE_MEM,
209 .start = OMAP_GPIO_IRQ(40),
210 .end = OMAP_GPIO_IRQ(40),
211 .flags = IORESOURCE_IRQ,
215 static struct platform_device smc91x_device = {
218 .num_resources = ARRAY_SIZE(smc91x_resources),
219 .resource = smc91x_resources,
222 #define GPTIMER_BASE 0xFFFB1400
223 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
224 #define GPTIMER_REGS_SIZE 0x46
226 static struct resource intlat_resources[] = {
228 .start = GPTIMER_REGS(0), /* Physical */
229 .end = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
230 .flags = IORESOURCE_MEM,
233 .start = INT_1610_GPTIMER1,
234 .end = INT_1610_GPTIMER1,
235 .flags = IORESOURCE_IRQ,
239 static struct platform_device intlat_device = {
240 .name = "omap_intlat",
242 .num_resources = ARRAY_SIZE(intlat_resources),
243 .resource = intlat_resources,
246 static struct resource h3_kp_resources[] = {
248 .start = INT_KEYBOARD,
250 .flags = IORESOURCE_IRQ,
254 static struct omap_kp_platform_data h3_kp_data = {
258 .keymapsize = ARRAY_SIZE(h3_keymap),
264 static struct platform_device h3_kp_device = {
265 .name = "omap-keypad",
268 .platform_data = &h3_kp_data,
270 .num_resources = ARRAY_SIZE(h3_kp_resources),
271 .resource = h3_kp_resources,
275 /* Select between the IrDA and aGPS module
277 static int h3_select_irda(struct device *dev, int state)
282 if ((err = read_gpio_expa(&expa, 0x26))) {
283 printk(KERN_ERR "Error reading from I/O EXPANDER \n");
287 /* 'P6' enable/disable IRDA_TX and IRDA_RX */
288 if (state & IR_SEL) { /* IrDA */
289 if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
290 printk(KERN_ERR "Error writing to I/O EXPANDER \n");
294 if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
295 printk(KERN_ERR "Error writing to I/O EXPANDER \n");
302 static void set_trans_mode(struct work_struct *work)
304 struct omap_irda_config *irda_config =
305 container_of(work, struct omap_irda_config, gpio_expa.work);
306 int mode = irda_config->mode;
310 if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
311 printk(KERN_ERR "Error reading from I/O expander\n");
316 if (mode & IR_SIRMODE) {
318 } else { /* MIR/FIR */
322 if ((err = write_gpio_expa(expa, 0x27)) != 0) {
323 printk(KERN_ERR "Error writing to I/O expander\n");
327 static int h3_transceiver_mode(struct device *dev, int mode)
329 struct omap_irda_config *irda_config = dev->platform_data;
331 irda_config->mode = mode;
332 cancel_delayed_work(&irda_config->gpio_expa);
333 PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
334 schedule_delayed_work(&irda_config->gpio_expa, 0);
339 static struct omap_irda_config h3_irda_data = {
340 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
341 .transceiver_mode = h3_transceiver_mode,
342 .select_irda = h3_select_irda,
343 .rx_channel = OMAP_DMA_UART3_RX,
344 .tx_channel = OMAP_DMA_UART3_TX,
345 .dest_start = UART3_THR,
346 .src_start = UART3_RHR,
351 static struct resource h3_irda_resources[] = {
355 .flags = IORESOURCE_IRQ,
359 static u64 irda_dmamask = 0xffffffff;
361 static struct platform_device h3_irda_device = {
365 .platform_data = &h3_irda_data,
366 .dma_mask = &irda_dmamask,
368 .num_resources = ARRAY_SIZE(h3_irda_resources),
369 .resource = h3_irda_resources,
372 static struct platform_device h3_lcd_device = {
382 #define TSC2101_MUX_MCLK_ON V5_1710_MCLK_ON
383 #define TSC2101_MUX_MCLK_OFF V5_1710_MCLK_OFF
385 static int h3_tsc2101_init(struct spi_device *spi)
390 if (h3_tsc2101.initialized) {
391 printk(KERN_ERR "tsc2101: already initialized\n");
396 h3_tsc2101.mclk = clk_get(&spi->dev, "mclk");
397 if (IS_ERR(h3_tsc2101.mclk)) {
398 dev_err(&spi->dev, "unable to get the clock MCLK\n");
399 return PTR_ERR(h3_tsc2101.mclk);
401 if ((r = clk_set_rate(h3_tsc2101.mclk, 12000000)) < 0) {
402 dev_err(&spi->dev, "unable to set rate to the MCLK\n");
406 if ((r = read_gpio_expa(&io_exp_val, 0x24))) {
407 dev_err(&spi->dev, "error reading from I/O EXPANDER\n");
411 if ((r = write_gpio_expa(io_exp_val, 0x24))) {
412 dev_err(&spi->dev, "error writing to I/O EXPANDER\n");
416 omap_cfg_reg(N14_1610_UWIRE_CS0);
417 omap_cfg_reg(TSC2101_MUX_MCLK_OFF);
421 clk_put(h3_tsc2101.mclk);
425 static void h3_tsc2101_cleanup(struct spi_device *spi)
427 clk_put(h3_tsc2101.mclk);
428 omap_cfg_reg(TSC2101_MUX_MCLK_OFF);
431 static void h3_tsc2101_enable_mclk(struct spi_device *spi)
433 omap_cfg_reg(TSC2101_MUX_MCLK_ON);
434 clk_enable(h3_tsc2101.mclk);
437 static void h3_tsc2101_disable_mclk(struct spi_device *spi)
439 clk_disable(h3_tsc2101.mclk);
440 omap_cfg_reg(R10_1610_MCLK_OFF);
443 static struct tsc2101_platform_data h3_tsc2101_platform_data = {
444 .init = h3_tsc2101_init,
445 .cleanup = h3_tsc2101_cleanup,
446 .enable_mclk = h3_tsc2101_enable_mclk,
447 .disable_mclk = h3_tsc2101_disable_mclk,
450 static struct spi_board_info h3_spi_board_info[] __initdata = {
452 .modalias = "tsc2101",
455 .max_speed_hz = 16000000,
456 .platform_data = &h3_tsc2101_platform_data,
460 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
461 .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
462 .spcr1 = RINTM(3) | RRST,
463 .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
464 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
465 .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
466 .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
467 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
468 .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
470 .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
472 .pcr0 = CLKRM | SCLKME | FSXP | FSRP | CLKXP | CLKRP,
473 //.pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
476 static struct omap_alsa_codec_config alsa_config = {
477 .name = "H3 TSC2101",
478 .mcbsp_regs_alsa = &mcbsp_regs,
479 .codec_configure_dev = NULL, // tsc2101_configure,
480 .codec_set_samplerate = NULL, // tsc2101_set_samplerate,
481 .codec_clock_setup = NULL, // tsc2101_clock_setup,
482 .codec_clock_on = NULL, // tsc2101_clock_on,
483 .codec_clock_off = NULL, // tsc2101_clock_off,
484 .get_default_samplerate = NULL, // tsc2101_get_default_samplerate,
487 static struct platform_device h3_mcbsp1_device = {
488 .name = "omap_alsa_mcbsp",
491 .platform_data = &alsa_config,
495 static struct platform_device *devices[] __initdata = {
506 static struct omap_usb_config h3_usb_config __initdata = {
507 /* usb1 has a Mini-AB port and external isp1301 transceiver */
510 #ifdef CONFIG_USB_GADGET_OMAP
511 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
512 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
513 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
514 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
520 static struct omap_mmc_config h3_mmc_config __initdata = {
523 .power_pin = -1, /* tps65010 GPIO4 */
524 .switch_pin = OMAP_MPUIO(1),
528 static struct omap_uart_config h3_uart_config __initdata = {
529 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
532 static struct omap_lcd_config h3_lcd_config __initdata = {
533 .ctrl_name = "internal",
536 static struct omap_board_config_kernel h3_config[] = {
537 { OMAP_TAG_USB, &h3_usb_config },
538 { OMAP_TAG_MMC, &h3_mmc_config },
539 { OMAP_TAG_UART, &h3_uart_config },
540 { OMAP_TAG_LCD, &h3_lcd_config },
543 #define H3_NAND_RB_GPIO_PIN 10
545 static int nand_dev_ready(struct nand_platform_data *data)
547 return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN);
550 static void __init h3_init(void)
552 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
553 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
554 * notice whether a NAND chip is enabled at probe time.
556 * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
557 * (which on H2 may be 16bit) on CS3. Try detecting that in code here,
558 * to avoid probing every possible flash configuration...
560 nor_resource.end = nor_resource.start = omap_cs3_phys();
561 nor_resource.end += SZ_32M - 1;
563 nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
564 nand_resource.end += SZ_4K - 1;
565 if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))
566 nand_data.dev_ready = nand_dev_ready;
568 /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
569 /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
570 omap_cfg_reg(V2_1710_GPIO10);
572 platform_add_devices(devices, ARRAY_SIZE(devices));
573 spi_register_board_info(h3_spi_board_info,
574 ARRAY_SIZE(h3_spi_board_info));
575 omap_board_config = h3_config;
576 omap_board_config_size = ARRAY_SIZE(h3_config);
580 static void __init h3_init_smc91x(void)
582 omap_cfg_reg(W15_1710_GPIO40);
583 if (omap_request_gpio(40) < 0) {
584 printk("Error requesting gpio 40 for smc91x irq\n");
589 static void __init h3_init_irq(void)
591 omap1_init_common_hw();
597 static void __init h3_map_io(void)
599 omap1_map_common_io();
602 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
603 /* Maintainer: Texas Instruments, Inc. */
604 .phys_io = 0xfff00000,
605 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
606 .boot_params = 0x10000100,
608 .init_irq = h3_init_irq,
609 .init_machine = h3_init,
610 .timer = &omap_timer,