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>
31 #include <asm/hardware.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/flash.h>
35 #include <asm/mach/map.h>
37 #include <asm/arch/gpio.h>
38 #include <asm/arch/mux.h>
39 #include <asm/arch/tc.h>
40 #include <asm/arch/irda.h>
41 #include <asm/arch/usb.h>
42 #include <asm/arch/keypad.h>
43 #include <asm/arch/common.h>
44 #include <asm/arch/mcbsp.h>
45 #include <asm/arch/omap-alsa.h>
47 extern int omap_gpio_init(void);
49 static int h2_keymap[] = {
88 static struct mtd_partition h2_nor_partitions[] = {
89 /* bootloader (U-Boot, etc) in first sector */
94 .mask_flags = MTD_WRITEABLE, /* force read-only */
96 /* bootloader params in the next sector */
99 .offset = MTDPART_OFS_APPEND,
106 .offset = MTDPART_OFS_APPEND,
112 .name = "filesystem",
113 .offset = MTDPART_OFS_APPEND,
114 .size = MTDPART_SIZ_FULL,
119 static struct flash_platform_data h2_nor_data = {
120 .map_name = "cfi_probe",
122 .parts = h2_nor_partitions,
123 .nr_parts = ARRAY_SIZE(h2_nor_partitions),
126 static struct resource h2_nor_resource = {
127 /* This is on CS3, wherever it's mapped */
128 .flags = IORESOURCE_MEM,
131 static struct platform_device h2_nor_device = {
135 .platform_data = &h2_nor_data,
138 .resource = &h2_nor_resource,
141 static struct mtd_partition h2_nand_partitions[] = {
143 /* REVISIT: enable these partitions if you make NAND BOOT
144 * work on your H2 (rev C or newer); published versions of
145 * x-load only support P2 and H3.
151 .mask_flags = MTD_WRITEABLE, /* force read-only */
154 .name = "bootloader",
155 .offset = MTDPART_OFS_APPEND,
157 .mask_flags = MTD_WRITEABLE, /* force read-only */
161 .offset = MTDPART_OFS_APPEND,
166 .offset = MTDPART_OFS_APPEND,
171 .name = "filesystem",
172 .size = MTDPART_SIZ_FULL,
173 .offset = MTDPART_OFS_APPEND,
177 /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
178 static struct nand_platform_data h2_nand_data = {
179 .options = NAND_SAMSUNG_LP_OPTIONS,
180 .parts = h2_nand_partitions,
181 .nr_parts = ARRAY_SIZE(h2_nand_partitions),
184 static struct resource h2_nand_resource = {
185 .flags = IORESOURCE_MEM,
188 static struct platform_device h2_nand_device = {
192 .platform_data = &h2_nand_data,
195 .resource = &h2_nand_resource,
198 static struct resource h2_smc91x_resources[] = {
200 .start = OMAP1610_ETHR_START, /* Physical */
201 .end = OMAP1610_ETHR_START + 0xf,
202 .flags = IORESOURCE_MEM,
205 .start = OMAP_GPIO_IRQ(0),
206 .end = OMAP_GPIO_IRQ(0),
207 .flags = IORESOURCE_IRQ,
211 static struct platform_device h2_smc91x_device = {
214 .num_resources = ARRAY_SIZE(h2_smc91x_resources),
215 .resource = h2_smc91x_resources,
218 static struct resource h2_kp_resources[] = {
220 .start = INT_KEYBOARD,
222 .flags = IORESOURCE_IRQ,
226 static struct omap_kp_platform_data h2_kp_data = {
230 .keymapsize = ARRAY_SIZE(h2_keymap),
236 static struct platform_device h2_kp_device = {
237 .name = "omap-keypad",
240 .platform_data = &h2_kp_data,
242 .num_resources = ARRAY_SIZE(h2_kp_resources),
243 .resource = h2_kp_resources,
246 #define H2_IRDA_FIRSEL_GPIO_PIN 17
248 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
249 static int h2_transceiver_mode(struct device *dev, int state)
251 if (state & IR_SIRMODE)
252 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
254 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
260 static struct omap_irda_config h2_irda_data = {
261 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
262 .rx_channel = OMAP_DMA_UART3_RX,
263 .tx_channel = OMAP_DMA_UART3_TX,
264 .dest_start = UART3_THR,
265 .src_start = UART3_RHR,
270 static struct resource h2_irda_resources[] = {
274 .flags = IORESOURCE_IRQ,
278 static u64 irda_dmamask = 0xffffffff;
280 static struct platform_device h2_irda_device = {
284 .platform_data = &h2_irda_data,
285 .dma_mask = &irda_dmamask,
287 .num_resources = ARRAY_SIZE(h2_irda_resources),
288 .resource = h2_irda_resources,
291 static struct platform_device h2_lcd_device = {
296 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
297 .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
298 .spcr1 = RINTM(3) | RRST,
299 .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
300 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
301 .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
302 .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
303 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
304 .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
306 .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
308 .pcr0 = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
309 //.pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
312 static struct omap_alsa_codec_config alsa_config = {
313 .name = "H2 TSC2101",
314 .mcbsp_regs_alsa = &mcbsp_regs,
315 .codec_configure_dev = NULL, // tsc2101_configure,
316 .codec_set_samplerate = NULL, // tsc2101_set_samplerate,
317 .codec_clock_setup = NULL, // tsc2101_clock_setup,
318 .codec_clock_on = NULL, // tsc2101_clock_on,
319 .codec_clock_off = NULL, // tsc2101_clock_off,
320 .get_default_samplerate = NULL, // tsc2101_get_default_samplerate,
323 static struct platform_device h2_mcbsp1_device = {
324 .name = "omap_alsa_mcbsp",
327 .platform_data = &alsa_config,
331 static struct platform_device *h2_devices[] __initdata = {
341 static void __init h2_init_smc91x(void)
343 if ((omap_request_gpio(0)) < 0) {
344 printk("Error requesting gpio 0 for smc91x irq\n");
349 static void __init h2_init_irq(void)
351 omap1_init_common_hw();
357 static struct omap_usb_config h2_usb_config __initdata = {
358 /* usb1 has a Mini-AB port and external isp1301 transceiver */
361 #ifdef CONFIG_USB_GADGET_OMAP
362 .hmc_mode = 19, // 0:host(off) 1:dev|otg 2:disabled
363 // .hmc_mode = 21, // 0:host(off) 1:dev(loopback) 2:host(loopback)
364 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
365 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
366 .hmc_mode = 20, // 1:dev|otg(off) 1:host 2:disabled
372 static struct omap_mmc_config h2_mmc_config __initdata = {
376 .wp_pin = OMAP_MPUIO(3),
377 .power_pin = -1, /* tps65010 gpio3 */
378 .switch_pin = OMAP_MPUIO(1),
382 static struct omap_uart_config h2_uart_config __initdata = {
383 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
386 static struct omap_lcd_config h2_lcd_config __initdata = {
387 .ctrl_name = "internal",
390 static struct omap_board_config_kernel h2_config[] = {
391 { OMAP_TAG_USB, &h2_usb_config },
392 { OMAP_TAG_MMC, &h2_mmc_config },
393 { OMAP_TAG_UART, &h2_uart_config },
394 { OMAP_TAG_LCD, &h2_lcd_config },
397 #define H2_NAND_RB_GPIO_PIN 62
399 static int h2_nand_dev_ready(struct nand_platform_data *data)
401 return omap_get_gpio_datain(H2_NAND_RB_GPIO_PIN);
404 static void __init h2_init(void)
406 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
407 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
408 * notice whether a NAND chip is enabled at probe time.
410 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
411 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
412 * detecting that in code here, to avoid probing every possible flash
415 h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
416 h2_nor_resource.end += SZ_32M - 1;
418 h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
419 h2_nand_resource.end += SZ_4K - 1;
420 if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN)))
421 h2_nand_data.dev_ready = h2_nand_dev_ready;
423 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
424 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
426 /* MMC: card detect and WP */
427 // omap_cfg_reg(U19_ARMIO1); /* CD */
428 omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */
431 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
432 omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
433 if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
434 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
435 h2_irda_data.transceiver_mode = h2_transceiver_mode;
439 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
440 omap_board_config = h2_config;
441 omap_board_config_size = ARRAY_SIZE(h2_config);
445 static void __init h2_map_io(void)
447 omap1_map_common_io();
450 MACHINE_START(OMAP_H2, "TI-H2")
451 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
452 .phys_io = 0xfff00000,
453 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
454 .boot_params = 0x10000100,
456 .init_irq = h2_init_irq,
457 .init_machine = h2_init,
458 .timer = &omap_timer,