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.
21 #include <linux/gpio.h>
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/mtd/physmap.h>
30 #include <linux/input.h>
31 #include <linux/i2c/tps65010.h>
32 #include <linux/smc91x.h>
34 #include <mach/hardware.h>
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
43 #include <plat/irda.h>
45 #include <plat/keypad.h>
47 #include <plat/flash.h>
51 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
52 #define OMAP1610_ETHR_START 0x04000300
54 static const unsigned 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 physmap_flash_data h2_nor_data = {
125 .set_vpp = omap1_set_vpp,
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 = {
136 .name = "physmap-flash",
139 .platform_data = &h2_nor_data,
142 .resource = &h2_nor_resource,
145 static struct mtd_partition h2_nand_partitions[] = {
147 /* REVISIT: enable these partitions if you make NAND BOOT
148 * work on your H2 (rev C or newer); published versions of
149 * x-load only support P2 and H3.
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 static void h2_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
183 struct nand_chip *this = mtd->priv;
186 if (cmd == NAND_CMD_NONE)
189 mask = (ctrl & NAND_CLE) ? 0x02 : 0;
192 writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
195 #define H2_NAND_RB_GPIO_PIN 62
197 static int h2_nand_dev_ready(struct mtd_info *mtd)
199 return gpio_get_value(H2_NAND_RB_GPIO_PIN);
202 static const char *h2_part_probes[] = { "cmdlinepart", NULL };
204 static struct platform_nand_data h2_nand_platdata = {
208 .nr_partitions = ARRAY_SIZE(h2_nand_partitions),
209 .partitions = h2_nand_partitions,
210 .options = NAND_SAMSUNG_LP_OPTIONS,
211 .part_probe_types = h2_part_probes,
214 .cmd_ctrl = h2_nand_cmd_ctl,
215 .dev_ready = h2_nand_dev_ready,
220 static struct resource h2_nand_resource = {
221 .flags = IORESOURCE_MEM,
224 static struct platform_device h2_nand_device = {
228 .platform_data = &h2_nand_platdata,
231 .resource = &h2_nand_resource,
234 static struct smc91x_platdata h2_smc91x_info = {
235 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
236 .leda = RPC_LED_100_10,
237 .ledb = RPC_LED_TX_RX,
240 static struct resource h2_smc91x_resources[] = {
242 .start = OMAP1610_ETHR_START, /* Physical */
243 .end = OMAP1610_ETHR_START + 0xf,
244 .flags = IORESOURCE_MEM,
247 .start = OMAP_GPIO_IRQ(0),
248 .end = OMAP_GPIO_IRQ(0),
249 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
253 static struct platform_device h2_smc91x_device = {
257 .platform_data = &h2_smc91x_info,
259 .num_resources = ARRAY_SIZE(h2_smc91x_resources),
260 .resource = h2_smc91x_resources,
263 static struct resource h2_kp_resources[] = {
265 .start = INT_KEYBOARD,
267 .flags = IORESOURCE_IRQ,
271 static const struct matrix_keymap_data h2_keymap_data = {
273 .keymap_size = ARRAY_SIZE(h2_keymap),
276 static struct omap_kp_platform_data h2_kp_data = {
279 .keymap_data = &h2_keymap_data,
285 static struct platform_device h2_kp_device = {
286 .name = "omap-keypad",
289 .platform_data = &h2_kp_data,
291 .num_resources = ARRAY_SIZE(h2_kp_resources),
292 .resource = h2_kp_resources,
295 #define H2_IRDA_FIRSEL_GPIO_PIN 17
297 static struct omap_irda_config h2_irda_data = {
298 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
299 .rx_channel = OMAP_DMA_UART3_RX,
300 .tx_channel = OMAP_DMA_UART3_TX,
301 .dest_start = UART3_THR,
302 .src_start = UART3_RHR,
307 static struct resource h2_irda_resources[] = {
311 .flags = IORESOURCE_IRQ,
315 static u64 irda_dmamask = 0xffffffff;
317 static struct platform_device h2_irda_device = {
321 .platform_data = &h2_irda_data,
322 .dma_mask = &irda_dmamask,
324 .num_resources = ARRAY_SIZE(h2_irda_resources),
325 .resource = h2_irda_resources,
328 static struct platform_device h2_lcd_device = {
333 static struct platform_device *h2_devices[] __initdata = {
342 static void __init h2_init_smc91x(void)
344 if (gpio_request(0, "SMC91x irq") < 0) {
345 printk("Error requesting gpio 0 for smc91x irq\n");
350 static int tps_setup(struct i2c_client *client, void *context)
352 tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
353 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
358 static struct tps65010_board tps_board = {
359 .base = H2_TPS_GPIO_BASE,
364 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
366 I2C_BOARD_INFO("tps65010", 0x48),
367 .irq = OMAP_GPIO_IRQ(58),
368 .platform_data = &tps_board,
370 I2C_BOARD_INFO("isp1301_omap", 0x2d),
371 .irq = OMAP_GPIO_IRQ(2),
375 static struct omap_usb_config h2_usb_config __initdata = {
376 /* usb1 has a Mini-AB port and external isp1301 transceiver */
379 #ifdef CONFIG_USB_GADGET_OMAP
380 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
381 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
382 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
383 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
384 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
390 static struct omap_lcd_config h2_lcd_config __initdata = {
391 .ctrl_name = "internal",
394 static struct omap_board_config_kernel h2_config[] __initdata = {
395 { OMAP_TAG_LCD, &h2_lcd_config },
398 static void __init h2_init(void)
402 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
403 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
404 * notice whether a NAND chip is enabled at probe time.
406 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
407 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
408 * detecting that in code here, to avoid probing every possible flash
411 h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
412 h2_nor_resource.end += SZ_32M - 1;
414 h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
415 h2_nand_resource.end += SZ_4K - 1;
416 if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
418 gpio_direction_input(H2_NAND_RB_GPIO_PIN);
420 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
421 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
423 /* MMC: card detect and WP */
424 /* omap_cfg_reg(U19_ARMIO1); */ /* CD */
425 omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */
427 /* Mux pins for keypad */
428 omap_cfg_reg(F18_1610_KBC0);
429 omap_cfg_reg(D20_1610_KBC1);
430 omap_cfg_reg(D19_1610_KBC2);
431 omap_cfg_reg(E18_1610_KBC3);
432 omap_cfg_reg(C21_1610_KBC4);
433 omap_cfg_reg(G18_1610_KBR0);
434 omap_cfg_reg(F19_1610_KBR1);
435 omap_cfg_reg(H14_1610_KBR2);
436 omap_cfg_reg(E20_1610_KBR3);
437 omap_cfg_reg(E19_1610_KBR4);
438 omap_cfg_reg(N19_1610_KBR5);
440 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
441 omap_board_config = h2_config;
442 omap_board_config_size = ARRAY_SIZE(h2_config);
444 omap_register_i2c_bus(1, 100, h2_i2c_board_info,
445 ARRAY_SIZE(h2_i2c_board_info));
446 omap1_usb_init(&h2_usb_config);
450 MACHINE_START(OMAP_H2, "TI-H2")
451 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
452 .atag_offset = 0x100,
453 .map_io = omap16xx_map_io,
454 .init_early = omap1_init_early,
455 .reserve = omap_reserve,
456 .init_irq = omap1_init_irq,
457 .init_machine = h2_init,
458 .timer = &omap1_timer,
459 .restart = omap1_restart,