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/i2c.h>
27 #include <linux/mtd/mtd.h>
28 #include <linux/mtd/nand.h>
29 #include <linux/mtd/partitions.h>
30 #include <linux/input.h>
31 #include <linux/i2c/tps65010.h>
32 #include <linux/workqueue.h>
33 #include <linux/spi/spi.h>
34 #include <linux/spi/tsc2101.h>
35 #include <linux/clk.h>
37 #include <asm/hardware.h>
40 #include <asm/mach-types.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/flash.h>
43 #include <asm/mach/map.h>
45 #include <asm/arch/gpio.h>
46 #include <asm/arch/gpio-switch.h>
47 #include <asm/arch/mux.h>
48 #include <asm/arch/tc.h>
49 #include <asm/arch/nand.h>
50 #include <asm/arch/irda.h>
51 #include <asm/arch/usb.h>
52 #include <asm/arch/keypad.h>
53 #include <asm/arch/common.h>
54 #include <asm/arch/mcbsp.h>
55 #include <asm/arch/omap-alsa.h>
57 static int h2_keymap[] = {
96 static struct mtd_partition h2_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 h2_nor_data = {
128 .map_name = "cfi_probe",
130 .parts = h2_nor_partitions,
131 .nr_parts = ARRAY_SIZE(h2_nor_partitions),
134 static struct resource h2_nor_resource = {
135 /* This is on CS3, wherever it's mapped */
136 .flags = IORESOURCE_MEM,
139 static struct platform_device h2_nor_device = {
143 .platform_data = &h2_nor_data,
146 .resource = &h2_nor_resource,
149 static struct mtd_partition h2_nand_partitions[] = {
151 /* REVISIT: enable these partitions if you make NAND BOOT
152 * work on your H2 (rev C or newer); published versions of
153 * x-load only support P2 and H3.
159 .mask_flags = MTD_WRITEABLE, /* force read-only */
162 .name = "bootloader",
163 .offset = MTDPART_OFS_APPEND,
165 .mask_flags = MTD_WRITEABLE, /* force read-only */
169 .offset = MTDPART_OFS_APPEND,
174 .offset = MTDPART_OFS_APPEND,
179 .name = "filesystem",
180 .size = MTDPART_SIZ_FULL,
181 .offset = MTDPART_OFS_APPEND,
185 /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
186 static struct omap_nand_platform_data h2_nand_data = {
187 .options = NAND_SAMSUNG_LP_OPTIONS,
188 .parts = h2_nand_partitions,
189 .nr_parts = ARRAY_SIZE(h2_nand_partitions),
192 static struct resource h2_nand_resource = {
193 .flags = IORESOURCE_MEM,
196 static struct platform_device h2_nand_device = {
200 .platform_data = &h2_nand_data,
203 .resource = &h2_nand_resource,
206 static struct resource h2_smc91x_resources[] = {
208 .start = OMAP1610_ETHR_START, /* Physical */
209 .end = OMAP1610_ETHR_START + 0xf,
210 .flags = IORESOURCE_MEM,
213 .start = OMAP_GPIO_IRQ(0),
214 .end = OMAP_GPIO_IRQ(0),
215 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
219 static struct platform_device h2_smc91x_device = {
222 .num_resources = ARRAY_SIZE(h2_smc91x_resources),
223 .resource = h2_smc91x_resources,
226 static struct resource h2_kp_resources[] = {
228 .start = INT_KEYBOARD,
230 .flags = IORESOURCE_IRQ,
234 static struct omap_kp_platform_data h2_kp_data = {
238 .keymapsize = ARRAY_SIZE(h2_keymap),
244 static struct platform_device h2_kp_device = {
245 .name = "omap-keypad",
248 .platform_data = &h2_kp_data,
250 .num_resources = ARRAY_SIZE(h2_kp_resources),
251 .resource = h2_kp_resources,
254 #define H2_IRDA_FIRSEL_GPIO_PIN 17
256 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
257 static int h2_transceiver_mode(struct device *dev, int state)
259 if (state & IR_SIRMODE)
260 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
262 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
268 static struct omap_irda_config h2_irda_data = {
269 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
270 .rx_channel = OMAP_DMA_UART3_RX,
271 .tx_channel = OMAP_DMA_UART3_TX,
272 .dest_start = UART3_THR,
273 .src_start = UART3_RHR,
278 static struct resource h2_irda_resources[] = {
282 .flags = IORESOURCE_IRQ,
286 static u64 irda_dmamask = 0xffffffff;
288 static struct platform_device h2_irda_device = {
292 .platform_data = &h2_irda_data,
293 .dma_mask = &irda_dmamask,
295 .num_resources = ARRAY_SIZE(h2_irda_resources),
296 .resource = h2_irda_resources,
299 static struct platform_device h2_lcd_device = {
309 #define TSC2101_MUX_MCLK_ON R10_1610_MCLK_ON
310 #define TSC2101_MUX_MCLK_OFF R10_1610_MCLK_OFF
312 static void h2_lcd_dev_init(struct spi_device *tsc2101)
314 /* The LCD is connected to the GPIO pins of the TSC2101, so
315 * we have to tie them here. We can also register the LCD driver
316 * first only here, where we know that the TSC driver is ready.
319 h2_lcd_device.dev.platform_data = tsc2101;
320 platform_device_register(&h2_lcd_device);
323 static int h2_tsc2101_init(struct spi_device *spi)
327 if (h2_tsc2101.initialized) {
328 printk(KERN_ERR "tsc2101: already initialized\n");
333 h2_tsc2101.mclk = clk_get(&spi->dev, "mclk");
334 if (IS_ERR(h2_tsc2101.mclk)) {
335 dev_err(&spi->dev, "unable to get the clock MCLK\n");
336 return PTR_ERR(h2_tsc2101.mclk);
338 if ((r = clk_set_rate(h2_tsc2101.mclk, 12000000)) < 0) {
339 dev_err(&spi->dev, "unable to set rate to the MCLK\n");
343 omap_cfg_reg(TSC2101_MUX_MCLK_OFF);
344 omap_cfg_reg(N15_1610_UWIRE_CS1);
346 h2_lcd_dev_init(spi);
350 clk_put(h2_tsc2101.mclk);
354 static void h2_tsc2101_cleanup(struct spi_device *spi)
356 clk_put(h2_tsc2101.mclk);
357 omap_cfg_reg(TSC2101_MUX_MCLK_OFF);
360 static void h2_tsc2101_enable_mclk(struct spi_device *spi)
362 omap_cfg_reg(TSC2101_MUX_MCLK_ON);
363 clk_enable(h2_tsc2101.mclk);
366 static void h2_tsc2101_disable_mclk(struct spi_device *spi)
368 clk_disable(h2_tsc2101.mclk);
369 omap_cfg_reg(R10_1610_MCLK_OFF);
372 static struct tsc2101_platform_data h2_tsc2101_platform_data = {
373 .init = h2_tsc2101_init,
374 .cleanup = h2_tsc2101_cleanup,
375 .enable_mclk = h2_tsc2101_enable_mclk,
376 .disable_mclk = h2_tsc2101_disable_mclk,
379 static struct spi_board_info h2_spi_board_info[] __initdata = {
381 .modalias = "tsc2101",
384 .max_speed_hz = 16000000,
385 .platform_data = &h2_tsc2101_platform_data,
389 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
390 .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
391 .spcr1 = RINTM(3) | RRST,
392 .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
393 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
394 .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
395 .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
396 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
397 .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
399 .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
401 .pcr0 = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
402 /*.pcr0 = CLKXP | CLKRP,*/ /* mcbsp: slave */
405 static struct omap_alsa_codec_config alsa_config = {
406 .name = "H2 TSC2101",
407 .mcbsp_regs_alsa = &mcbsp_regs,
408 .codec_configure_dev = NULL, /* tsc2101_configure, */
409 .codec_set_samplerate = NULL, /* tsc2101_set_samplerate, */
410 .codec_clock_setup = NULL, /* tsc2101_clock_setup, */
411 .codec_clock_on = NULL, /* tsc2101_clock_on, */
412 .codec_clock_off = NULL, /* tsc2101_clock_off, */
413 .get_default_samplerate = NULL, /* tsc2101_get_default_samplerate, */
416 static struct platform_device h2_mcbsp1_device = {
417 .name = "omap_alsa_mcbsp",
420 .platform_data = &alsa_config,
424 static struct platform_device *h2_devices[] __initdata = {
433 static void __init h2_init_smc91x(void)
435 if ((omap_request_gpio(0)) < 0) {
436 printk("Error requesting gpio 0 for smc91x irq\n");
441 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
443 I2C_BOARD_INFO("isp1301_omap", 0x2d),
444 .type = "isp1301_omap",
445 .irq = OMAP_GPIO_IRQ(2),
449 static void __init h2_init_irq(void)
451 omap1_init_common_hw();
457 static struct omap_usb_config h2_usb_config __initdata = {
458 /* usb1 has a Mini-AB port and external isp1301 transceiver */
461 #ifdef CONFIG_USB_GADGET_OMAP
462 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
463 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
464 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
465 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
466 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
472 static struct omap_mmc_config h2_mmc_config __initdata = {
479 extern struct omap_mmc_platform_data h2_mmc_data;
481 static struct omap_uart_config h2_uart_config __initdata = {
482 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
485 static struct omap_lcd_config h2_lcd_config __initdata = {
486 .ctrl_name = "internal",
489 static struct omap_board_config_kernel h2_config[] __initdata = {
490 { OMAP_TAG_USB, &h2_usb_config },
491 { OMAP_TAG_MMC, &h2_mmc_config },
492 { OMAP_TAG_UART, &h2_uart_config },
493 { OMAP_TAG_LCD, &h2_lcd_config },
496 static struct omap_gpio_switch h2_gpio_switches[] __initdata = {
499 .gpio = OMAP_MPUIO(1),
500 .type = OMAP_GPIO_SWITCH_TYPE_COVER,
501 .debounce_rising = 100,
502 .debounce_falling = 0,
503 .notify = h2_mmc_slot_cover_handler,
508 #define H2_NAND_RB_GPIO_PIN 62
510 static int h2_nand_dev_ready(struct omap_nand_platform_data *data)
512 return omap_get_gpio_datain(H2_NAND_RB_GPIO_PIN);
515 static void __init h2_init(void)
517 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
518 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
519 * notice whether a NAND chip is enabled at probe time.
521 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
522 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
523 * detecting that in code here, to avoid probing every possible flash
526 h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
527 h2_nor_resource.end += SZ_32M - 1;
529 h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
530 h2_nand_resource.end += SZ_4K - 1;
531 if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN)))
532 h2_nand_data.dev_ready = h2_nand_dev_ready;
534 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
535 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
537 /* MMC: card detect and WP */
538 /* omap_cfg_reg(U19_ARMIO1); */ /* CD */
539 omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */
542 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
543 omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
544 if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
545 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
546 h2_irda_data.transceiver_mode = h2_transceiver_mode;
550 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
551 spi_register_board_info(h2_spi_board_info,
552 ARRAY_SIZE(h2_spi_board_info));
553 omap_board_config = h2_config;
554 omap_board_config_size = ARRAY_SIZE(h2_config);
556 omap_register_i2c_bus(1, 100, h2_i2c_board_info,
557 ARRAY_SIZE(h2_i2c_board_info));
559 omap_register_gpio_switches(h2_gpio_switches,
560 ARRAY_SIZE(h2_gpio_switches));
563 static void __init h2_map_io(void)
565 omap1_map_common_io();
568 MACHINE_START(OMAP_H2, "TI-H2")
569 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
570 .phys_io = 0xfff00000,
571 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
572 .boot_params = 0x10000100,
574 .init_irq = h2_init_irq,
575 .init_machine = h2_init,
576 .timer = &omap_timer,