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/platform_device.h>
24 #include <linux/delay.h>
25 #include <linux/i2c.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/i2c/tps65010.h>
31 #include <linux/smc91x.h>
33 #include <mach/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>
44 #include <plat/irda.h>
46 #include <plat/keypad.h>
47 #include <plat/common.h>
51 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
52 #define OMAP1610_ETHR_START 0x04000300
54 static int h2_keymap[] = {
93 static struct mtd_partition h2_nor_partitions[] = {
94 /* bootloader (U-Boot, etc) in first sector */
99 .mask_flags = MTD_WRITEABLE, /* force read-only */
101 /* bootloader params in the next sector */
104 .offset = MTDPART_OFS_APPEND,
111 .offset = MTDPART_OFS_APPEND,
117 .name = "filesystem",
118 .offset = MTDPART_OFS_APPEND,
119 .size = MTDPART_SIZ_FULL,
124 static struct flash_platform_data h2_nor_data = {
125 .map_name = "cfi_probe",
127 .parts = h2_nor_partitions,
128 .nr_parts = ARRAY_SIZE(h2_nor_partitions),
131 static struct resource h2_nor_resource = {
132 /* This is on CS3, wherever it's mapped */
133 .flags = IORESOURCE_MEM,
136 static struct platform_device h2_nor_device = {
140 .platform_data = &h2_nor_data,
143 .resource = &h2_nor_resource,
146 static struct mtd_partition h2_nand_partitions[] = {
148 /* REVISIT: enable these partitions if you make NAND BOOT
149 * work on your H2 (rev C or newer); published versions of
150 * x-load only support P2 and H3.
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 static void h2_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
184 struct nand_chip *this = mtd->priv;
187 if (cmd == NAND_CMD_NONE)
190 mask = (ctrl & NAND_CLE) ? 0x02 : 0;
193 writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
196 #define H2_NAND_RB_GPIO_PIN 62
198 static int h2_nand_dev_ready(struct mtd_info *mtd)
200 return gpio_get_value(H2_NAND_RB_GPIO_PIN);
203 static const char *h2_part_probes[] = { "cmdlinepart", NULL };
205 struct platform_nand_data h2_nand_platdata = {
209 .nr_partitions = ARRAY_SIZE(h2_nand_partitions),
210 .partitions = h2_nand_partitions,
211 .options = NAND_SAMSUNG_LP_OPTIONS,
212 .part_probe_types = h2_part_probes,
215 .cmd_ctrl = h2_nand_cmd_ctl,
216 .dev_ready = h2_nand_dev_ready,
221 static struct resource h2_nand_resource = {
222 .flags = IORESOURCE_MEM,
225 static struct platform_device h2_nand_device = {
229 .platform_data = &h2_nand_platdata,
232 .resource = &h2_nand_resource,
235 static struct smc91x_platdata h2_smc91x_info = {
236 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
237 .leda = RPC_LED_100_10,
238 .ledb = RPC_LED_TX_RX,
241 static struct resource h2_smc91x_resources[] = {
243 .start = OMAP1610_ETHR_START, /* Physical */
244 .end = OMAP1610_ETHR_START + 0xf,
245 .flags = IORESOURCE_MEM,
248 .start = OMAP_GPIO_IRQ(0),
249 .end = OMAP_GPIO_IRQ(0),
250 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
254 static struct platform_device h2_smc91x_device = {
258 .platform_data = &h2_smc91x_info,
260 .num_resources = ARRAY_SIZE(h2_smc91x_resources),
261 .resource = h2_smc91x_resources,
264 static struct resource h2_kp_resources[] = {
266 .start = INT_KEYBOARD,
268 .flags = IORESOURCE_IRQ,
272 static struct omap_kp_platform_data h2_kp_data = {
276 .keymapsize = ARRAY_SIZE(h2_keymap),
282 static struct platform_device h2_kp_device = {
283 .name = "omap-keypad",
286 .platform_data = &h2_kp_data,
288 .num_resources = ARRAY_SIZE(h2_kp_resources),
289 .resource = h2_kp_resources,
292 #define H2_IRDA_FIRSEL_GPIO_PIN 17
294 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
295 static int h2_transceiver_mode(struct device *dev, int state)
297 /* SIR when low, else MIR/FIR when HIGH */
298 gpio_set_value(H2_IRDA_FIRSEL_GPIO_PIN, !(state & IR_SIRMODE));
303 static struct omap_irda_config h2_irda_data = {
304 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
305 .rx_channel = OMAP_DMA_UART3_RX,
306 .tx_channel = OMAP_DMA_UART3_TX,
307 .dest_start = UART3_THR,
308 .src_start = UART3_RHR,
313 static struct resource h2_irda_resources[] = {
317 .flags = IORESOURCE_IRQ,
321 static u64 irda_dmamask = 0xffffffff;
323 static struct platform_device h2_irda_device = {
327 .platform_data = &h2_irda_data,
328 .dma_mask = &irda_dmamask,
330 .num_resources = ARRAY_SIZE(h2_irda_resources),
331 .resource = h2_irda_resources,
334 static struct platform_device h2_lcd_device = {
339 static struct platform_device *h2_devices[] __initdata = {
348 static void __init h2_init_smc91x(void)
350 if (gpio_request(0, "SMC91x irq") < 0) {
351 printk("Error requesting gpio 0 for smc91x irq\n");
356 static int tps_setup(struct i2c_client *client, void *context)
358 tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
359 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
364 static struct tps65010_board tps_board = {
365 .base = H2_TPS_GPIO_BASE,
370 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
372 I2C_BOARD_INFO("tps65010", 0x48),
373 .irq = OMAP_GPIO_IRQ(58),
374 .platform_data = &tps_board,
376 I2C_BOARD_INFO("isp1301_omap", 0x2d),
377 .irq = OMAP_GPIO_IRQ(2),
381 static void __init h2_init_irq(void)
383 omap1_init_common_hw();
389 static struct omap_usb_config h2_usb_config __initdata = {
390 /* usb1 has a Mini-AB port and external isp1301 transceiver */
393 #ifdef CONFIG_USB_GADGET_OMAP
394 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
395 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
396 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
397 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
398 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
404 static struct omap_lcd_config h2_lcd_config __initdata = {
405 .ctrl_name = "internal",
408 static struct omap_board_config_kernel h2_config[] __initdata = {
409 { OMAP_TAG_LCD, &h2_lcd_config },
412 static void __init h2_init(void)
414 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
415 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
416 * notice whether a NAND chip is enabled at probe time.
418 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
419 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
420 * detecting that in code here, to avoid probing every possible flash
423 h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
424 h2_nor_resource.end += SZ_32M - 1;
426 h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
427 h2_nand_resource.end += SZ_4K - 1;
428 if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
430 gpio_direction_input(H2_NAND_RB_GPIO_PIN);
432 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
433 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
435 /* MMC: card detect and WP */
436 /* omap_cfg_reg(U19_ARMIO1); */ /* CD */
437 omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */
440 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
441 omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
442 if (gpio_request(H2_IRDA_FIRSEL_GPIO_PIN, "IRDA mode") < 0)
444 gpio_direction_output(H2_IRDA_FIRSEL_GPIO_PIN, 0);
445 h2_irda_data.transceiver_mode = h2_transceiver_mode;
448 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
449 omap_board_config = h2_config;
450 omap_board_config_size = ARRAY_SIZE(h2_config);
452 omap_register_i2c_bus(1, 100, h2_i2c_board_info,
453 ARRAY_SIZE(h2_i2c_board_info));
454 omap_usb_init(&h2_usb_config);
458 static void __init h2_map_io(void)
460 omap1_map_common_io();
463 MACHINE_START(OMAP_H2, "TI-H2")
464 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
465 .phys_io = 0xfff00000,
466 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
467 .boot_params = 0x10000100,
469 .init_irq = h2_init_irq,
470 .init_machine = h2_init,
471 .timer = &omap_timer,