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>
30 #include <linux/workqueue.h>
31 #include <linux/spi/spi.h>
32 #include <linux/spi/tsc2101.h>
33 #include <linux/clk.h>
35 #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/gpio.h>
42 #include <asm/arch/mux.h>
43 #include <asm/arch/tc.h>
44 #include <asm/arch/irda.h>
45 #include <asm/arch/usb.h>
46 #include <asm/arch/keypad.h>
47 #include <asm/arch/common.h>
48 #include <asm/arch/mcbsp.h>
49 #include <asm/arch/omap-alsa.h>
51 extern int omap_gpio_init(void);
53 static int h2_keymap[] = {
92 static struct mtd_partition h2_nor_partitions[] = {
93 /* bootloader (U-Boot, etc) in first sector */
98 .mask_flags = MTD_WRITEABLE, /* force read-only */
100 /* bootloader params in the next sector */
103 .offset = MTDPART_OFS_APPEND,
110 .offset = MTDPART_OFS_APPEND,
116 .name = "filesystem",
117 .offset = MTDPART_OFS_APPEND,
118 .size = MTDPART_SIZ_FULL,
123 static struct flash_platform_data h2_nor_data = {
124 .map_name = "cfi_probe",
126 .parts = h2_nor_partitions,
127 .nr_parts = ARRAY_SIZE(h2_nor_partitions),
130 static struct resource h2_nor_resource = {
131 /* This is on CS3, wherever it's mapped */
132 .flags = IORESOURCE_MEM,
135 static struct platform_device h2_nor_device = {
139 .platform_data = &h2_nor_data,
142 .resource = &h2_nor_resource,
145 #if 0 /* REVISIT: Enable when nand_platform_data is applied */
147 static struct mtd_partition h2_nand_partitions[] = {
149 /* REVISIT: enable these partitions if you make NAND BOOT
150 * work on your H2 (rev C or newer); published versions of
151 * x-load only support P2 and H3.
157 .mask_flags = MTD_WRITEABLE, /* force read-only */
160 .name = "bootloader",
161 .offset = MTDPART_OFS_APPEND,
163 .mask_flags = MTD_WRITEABLE, /* force read-only */
167 .offset = MTDPART_OFS_APPEND,
172 .offset = MTDPART_OFS_APPEND,
177 .name = "filesystem",
178 .size = MTDPART_SIZ_FULL,
179 .offset = MTDPART_OFS_APPEND,
183 /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
184 static struct nand_platform_data h2_nand_data = {
185 .options = NAND_SAMSUNG_LP_OPTIONS,
186 .parts = h2_nand_partitions,
187 .nr_parts = ARRAY_SIZE(h2_nand_partitions),
190 static struct resource h2_nand_resource = {
191 .flags = IORESOURCE_MEM,
194 static struct platform_device h2_nand_device = {
198 .platform_data = &h2_nand_data,
201 .resource = &h2_nand_resource,
205 static struct resource h2_smc91x_resources[] = {
207 .start = OMAP1610_ETHR_START, /* Physical */
208 .end = OMAP1610_ETHR_START + 0xf,
209 .flags = IORESOURCE_MEM,
212 .start = OMAP_GPIO_IRQ(0),
213 .end = OMAP_GPIO_IRQ(0),
214 .flags = IORESOURCE_IRQ,
218 static struct platform_device h2_smc91x_device = {
221 .num_resources = ARRAY_SIZE(h2_smc91x_resources),
222 .resource = h2_smc91x_resources,
225 static struct resource h2_kp_resources[] = {
227 .start = INT_KEYBOARD,
229 .flags = IORESOURCE_IRQ,
233 static struct omap_kp_platform_data h2_kp_data = {
237 .keymapsize = ARRAY_SIZE(h2_keymap),
243 static struct platform_device h2_kp_device = {
244 .name = "omap-keypad",
247 .platform_data = &h2_kp_data,
249 .num_resources = ARRAY_SIZE(h2_kp_resources),
250 .resource = h2_kp_resources,
253 #define H2_IRDA_FIRSEL_GPIO_PIN 17
255 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
256 static int h2_transceiver_mode(struct device *dev, int state)
258 if (state & IR_SIRMODE)
259 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
261 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
267 static struct omap_irda_config h2_irda_data = {
268 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
269 .rx_channel = OMAP_DMA_UART3_RX,
270 .tx_channel = OMAP_DMA_UART3_TX,
271 .dest_start = UART3_THR,
272 .src_start = UART3_RHR,
277 static struct resource h2_irda_resources[] = {
281 .flags = IORESOURCE_IRQ,
285 static u64 irda_dmamask = 0xffffffff;
287 static struct platform_device h2_irda_device = {
291 .platform_data = &h2_irda_data,
292 .dma_mask = &irda_dmamask,
294 .num_resources = ARRAY_SIZE(h2_irda_resources),
295 .resource = h2_irda_resources,
298 static struct platform_device h2_lcd_device = {
308 #define TSC2101_MUX_MCLK_ON R10_1610_MCLK_ON
309 #define TSC2101_MUX_MCLK_OFF R10_1610_MCLK_OFF
311 static int h2_tsc2101_init(struct spi_device *spi)
315 if (h2_tsc2101.initialized) {
316 printk(KERN_ERR "tsc2101: already initialized\n");
321 h2_tsc2101.mclk = clk_get(&spi->dev, "mclk");
322 if (IS_ERR(h2_tsc2101.mclk)) {
323 dev_err(&spi->dev, "unable to get the clock MCLK\n");
324 return PTR_ERR(h2_tsc2101.mclk);
326 if ((r = clk_set_rate(h2_tsc2101.mclk, 12000000)) < 0) {
327 dev_err(&spi->dev, "unable to set rate to the MCLK\n");
331 omap_cfg_reg(TSC2101_MUX_MCLK_OFF);
332 omap_cfg_reg(N15_1610_UWIRE_CS1);
336 clk_put(h2_tsc2101.mclk);
340 static void h2_tsc2101_cleanup(struct spi_device *spi)
342 clk_put(h2_tsc2101.mclk);
343 omap_cfg_reg(TSC2101_MUX_MCLK_OFF);
346 static void h2_tsc2101_enable_mclk(struct spi_device *spi)
348 omap_cfg_reg(TSC2101_MUX_MCLK_ON);
349 clk_enable(h2_tsc2101.mclk);
352 static void h2_tsc2101_disable_mclk(struct spi_device *spi)
354 clk_disable(h2_tsc2101.mclk);
355 omap_cfg_reg(R10_1610_MCLK_OFF);
358 static struct tsc2101_platform_data h2_tsc2101_platform_data = {
359 .init = h2_tsc2101_init,
360 .cleanup = h2_tsc2101_cleanup,
361 .enable_mclk = h2_tsc2101_enable_mclk,
362 .disable_mclk = h2_tsc2101_disable_mclk,
365 static struct spi_board_info h2_spi_board_info[] __initdata = {
367 .modalias = "tsc2101",
370 .max_speed_hz = 16000000,
371 .platform_data = &h2_tsc2101_platform_data,
375 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
376 .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
377 .spcr1 = RINTM(3) | RRST,
378 .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
379 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
380 .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
381 .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
382 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
383 .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
385 .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
387 .pcr0 = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
388 //.pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
391 static struct omap_alsa_codec_config alsa_config = {
392 .name = "H2 TSC2101",
393 .mcbsp_regs_alsa = &mcbsp_regs,
394 .codec_configure_dev = NULL, // tsc2101_configure,
395 .codec_set_samplerate = NULL, // tsc2101_set_samplerate,
396 .codec_clock_setup = NULL, // tsc2101_clock_setup,
397 .codec_clock_on = NULL, // tsc2101_clock_on,
398 .codec_clock_off = NULL, // tsc2101_clock_off,
399 .get_default_samplerate = NULL, // tsc2101_get_default_samplerate,
402 static struct platform_device h2_mcbsp1_device = {
403 .name = "omap_alsa_mcbsp",
406 .platform_data = &alsa_config,
410 static struct platform_device *h2_devices[] __initdata = {
420 static void __init h2_init_smc91x(void)
422 if ((omap_request_gpio(0)) < 0) {
423 printk("Error requesting gpio 0 for smc91x irq\n");
428 static void __init h2_init_irq(void)
430 omap1_init_common_hw();
436 static struct omap_usb_config h2_usb_config __initdata = {
437 /* usb1 has a Mini-AB port and external isp1301 transceiver */
440 #ifdef CONFIG_USB_GADGET_OMAP
441 .hmc_mode = 19, // 0:host(off) 1:dev|otg 2:disabled
442 // .hmc_mode = 21, // 0:host(off) 1:dev(loopback) 2:host(loopback)
443 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
444 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
445 .hmc_mode = 20, // 1:dev|otg(off) 1:host 2:disabled
451 static struct omap_mmc_config h2_mmc_config __initdata = {
455 .wp_pin = OMAP_MPUIO(3),
456 .power_pin = -1, /* tps65010 gpio3 */
457 .switch_pin = OMAP_MPUIO(1),
461 static struct omap_uart_config h2_uart_config __initdata = {
462 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
465 static struct omap_lcd_config h2_lcd_config __initdata = {
466 .ctrl_name = "internal",
469 static struct omap_board_config_kernel h2_config[] __initdata = {
470 { OMAP_TAG_USB, &h2_usb_config },
471 { OMAP_TAG_MMC, &h2_mmc_config },
472 { OMAP_TAG_UART, &h2_uart_config },
473 { OMAP_TAG_LCD, &h2_lcd_config },
476 #define H2_NAND_RB_GPIO_PIN 62
478 static int h2_nand_dev_ready(struct nand_platform_data *data)
480 return omap_get_gpio_datain(H2_NAND_RB_GPIO_PIN);
483 static void __init h2_init(void)
485 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
486 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
487 * notice whether a NAND chip is enabled at probe time.
489 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
490 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
491 * detecting that in code here, to avoid probing every possible flash
494 h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
495 h2_nor_resource.end += SZ_32M - 1;
497 #if 0 /* REVISIT: Enable when nand_platform_data is applied */
498 h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
499 h2_nand_resource.end += SZ_4K - 1;
500 if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN)))
501 h2_nand_data.dev_ready = h2_nand_dev_ready;
504 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
505 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
507 /* MMC: card detect and WP */
508 // omap_cfg_reg(U19_ARMIO1); /* CD */
509 omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */
512 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
513 omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
514 if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
515 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
516 h2_irda_data.transceiver_mode = h2_transceiver_mode;
520 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
521 spi_register_board_info(h2_spi_board_info,
522 ARRAY_SIZE(h2_spi_board_info));
523 omap_board_config = h2_config;
524 omap_board_config_size = ARRAY_SIZE(h2_config);
528 static void __init h2_map_io(void)
530 omap1_map_common_io();
533 MACHINE_START(OMAP_H2, "TI-H2")
534 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
535 .phys_io = 0xfff00000,
536 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
537 .boot_params = 0x10000100,
539 .init_irq = h2_init_irq,
540 .init_machine = h2_init,
541 .timer = &omap_timer,