block: move down direct IO plugging
[linux/fpc-iii.git] / arch / arm / mach-omap1 / board-perseus2.c
blob703d55ecffe2b2411c77af5d262a3372e5431a86
1 /*
2 * linux/arch/arm/mach-omap1/board-perseus2.c
4 * Modified from board-generic.c
6 * Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
7 * Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
13 #include <linux/gpio.h>
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/platform_device.h>
17 #include <linux/delay.h>
18 #include <linux/mtd/mtd.h>
19 #include <linux/mtd/nand.h>
20 #include <linux/mtd/partitions.h>
21 #include <linux/mtd/physmap.h>
22 #include <linux/input.h>
23 #include <linux/smc91x.h>
24 #include <linux/omapfb.h>
26 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
30 #include <plat/tc.h>
31 #include <plat/mux.h>
32 #include <plat/fpga.h>
33 #include <plat/flash.h>
34 #include <plat/keypad.h>
35 #include <plat/board.h>
37 #include <mach/hardware.h>
39 #include "iomap.h"
40 #include "common.h"
42 static const unsigned int p2_keymap[] = {
43 KEY(0, 0, KEY_UP),
44 KEY(1, 0, KEY_RIGHT),
45 KEY(2, 0, KEY_LEFT),
46 KEY(3, 0, KEY_DOWN),
47 KEY(4, 0, KEY_ENTER),
48 KEY(0, 1, KEY_F10),
49 KEY(1, 1, KEY_SEND),
50 KEY(2, 1, KEY_END),
51 KEY(3, 1, KEY_VOLUMEDOWN),
52 KEY(4, 1, KEY_VOLUMEUP),
53 KEY(5, 1, KEY_RECORD),
54 KEY(0, 2, KEY_F9),
55 KEY(1, 2, KEY_3),
56 KEY(2, 2, KEY_6),
57 KEY(3, 2, KEY_9),
58 KEY(4, 2, KEY_KPDOT),
59 KEY(0, 3, KEY_BACK),
60 KEY(1, 3, KEY_2),
61 KEY(2, 3, KEY_5),
62 KEY(3, 3, KEY_8),
63 KEY(4, 3, KEY_0),
64 KEY(5, 3, KEY_KPSLASH),
65 KEY(0, 4, KEY_HOME),
66 KEY(1, 4, KEY_1),
67 KEY(2, 4, KEY_4),
68 KEY(3, 4, KEY_7),
69 KEY(4, 4, KEY_KPASTERISK),
70 KEY(5, 4, KEY_POWER),
73 static struct smc91x_platdata smc91x_info = {
74 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
75 .leda = RPC_LED_100_10,
76 .ledb = RPC_LED_TX_RX,
79 static struct resource smc91x_resources[] = {
80 [0] = {
81 .start = H2P2_DBG_FPGA_ETHR_START, /* Physical */
82 .end = H2P2_DBG_FPGA_ETHR_START + 0xf,
83 .flags = IORESOURCE_MEM,
85 [1] = {
86 .start = INT_7XX_MPU_EXT_NIRQ,
87 .end = 0,
88 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
92 static struct mtd_partition nor_partitions[] = {
93 /* bootloader (U-Boot, etc) in first sector */
95 .name = "bootloader",
96 .offset = 0,
97 .size = SZ_128K,
98 .mask_flags = MTD_WRITEABLE, /* force read-only */
100 /* bootloader params in the next sector */
102 .name = "params",
103 .offset = MTDPART_OFS_APPEND,
104 .size = SZ_128K,
105 .mask_flags = 0,
107 /* kernel */
109 .name = "kernel",
110 .offset = MTDPART_OFS_APPEND,
111 .size = SZ_2M,
112 .mask_flags = 0
114 /* rest of flash is a file system */
116 .name = "rootfs",
117 .offset = MTDPART_OFS_APPEND,
118 .size = MTDPART_SIZ_FULL,
119 .mask_flags = 0
123 static struct physmap_flash_data nor_data = {
124 .width = 2,
125 .set_vpp = omap1_set_vpp,
126 .parts = nor_partitions,
127 .nr_parts = ARRAY_SIZE(nor_partitions),
130 static struct resource nor_resource = {
131 .start = OMAP_CS0_PHYS,
132 .end = OMAP_CS0_PHYS + SZ_32M - 1,
133 .flags = IORESOURCE_MEM,
136 static struct platform_device nor_device = {
137 .name = "physmap-flash",
138 .id = 0,
139 .dev = {
140 .platform_data = &nor_data,
142 .num_resources = 1,
143 .resource = &nor_resource,
146 #define P2_NAND_RB_GPIO_PIN 62
148 static int nand_dev_ready(struct mtd_info *mtd)
150 return gpio_get_value(P2_NAND_RB_GPIO_PIN);
153 static struct platform_nand_data nand_data = {
154 .chip = {
155 .nr_chips = 1,
156 .chip_offset = 0,
157 .options = NAND_SAMSUNG_LP_OPTIONS,
159 .ctrl = {
160 .cmd_ctrl = omap1_nand_cmd_ctl,
161 .dev_ready = nand_dev_ready,
165 static struct resource nand_resource = {
166 .start = OMAP_CS3_PHYS,
167 .end = OMAP_CS3_PHYS + SZ_4K - 1,
168 .flags = IORESOURCE_MEM,
171 static struct platform_device nand_device = {
172 .name = "gen_nand",
173 .id = 0,
174 .dev = {
175 .platform_data = &nand_data,
177 .num_resources = 1,
178 .resource = &nand_resource,
181 static struct platform_device smc91x_device = {
182 .name = "smc91x",
183 .id = 0,
184 .dev = {
185 .platform_data = &smc91x_info,
187 .num_resources = ARRAY_SIZE(smc91x_resources),
188 .resource = smc91x_resources,
191 static struct resource kp_resources[] = {
192 [0] = {
193 .start = INT_7XX_MPUIO_KEYPAD,
194 .end = INT_7XX_MPUIO_KEYPAD,
195 .flags = IORESOURCE_IRQ,
199 static const struct matrix_keymap_data p2_keymap_data = {
200 .keymap = p2_keymap,
201 .keymap_size = ARRAY_SIZE(p2_keymap),
204 static struct omap_kp_platform_data kp_data = {
205 .rows = 8,
206 .cols = 8,
207 .keymap_data = &p2_keymap_data,
208 .delay = 4,
209 .dbounce = true,
212 static struct platform_device kp_device = {
213 .name = "omap-keypad",
214 .id = -1,
215 .dev = {
216 .platform_data = &kp_data,
218 .num_resources = ARRAY_SIZE(kp_resources),
219 .resource = kp_resources,
222 static struct platform_device *devices[] __initdata = {
223 &nor_device,
224 &nand_device,
225 &smc91x_device,
226 &kp_device,
229 static struct omap_lcd_config perseus2_lcd_config __initdata = {
230 .ctrl_name = "internal",
233 static void __init perseus2_init_smc91x(void)
235 fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
236 mdelay(50);
237 fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
238 H2P2_DBG_FPGA_LAN_RESET);
239 mdelay(50);
242 static void __init omap_perseus2_init(void)
244 /* Early, board-dependent init */
247 * Hold GSM Reset until needed
249 omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL);
252 * UARTs -> done automagically by 8250 driver
256 * CSx timings, GPIO Mux ... setup
259 /* Flash: CS0 timings setup */
260 omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0);
261 omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0);
264 * Ethernet support through the debug board
265 * CS1 timings setup
267 omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1);
268 omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1);
271 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
272 * It is used as the Ethernet controller interrupt
274 omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF,
275 OMAP7XX_IO_CONF_9);
277 perseus2_init_smc91x();
279 if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
280 BUG();
281 gpio_direction_input(P2_NAND_RB_GPIO_PIN);
283 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
284 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
286 /* Mux pins for keypad */
287 omap_cfg_reg(E2_7XX_KBR0);
288 omap_cfg_reg(J7_7XX_KBR1);
289 omap_cfg_reg(E1_7XX_KBR2);
290 omap_cfg_reg(F3_7XX_KBR3);
291 omap_cfg_reg(D2_7XX_KBR4);
292 omap_cfg_reg(C2_7XX_KBC0);
293 omap_cfg_reg(D3_7XX_KBC1);
294 omap_cfg_reg(E4_7XX_KBC2);
295 omap_cfg_reg(F4_7XX_KBC3);
296 omap_cfg_reg(E3_7XX_KBC4);
298 platform_add_devices(devices, ARRAY_SIZE(devices));
300 omap_serial_init();
301 omap_register_i2c_bus(1, 100, NULL, 0);
303 omapfb_set_lcd_config(&perseus2_lcd_config);
306 /* Only FPGA needs to be mapped here. All others are done with ioremap */
307 static struct map_desc omap_perseus2_io_desc[] __initdata = {
309 .virtual = H2P2_DBG_FPGA_BASE,
310 .pfn = __phys_to_pfn(H2P2_DBG_FPGA_START),
311 .length = H2P2_DBG_FPGA_SIZE,
312 .type = MT_DEVICE
316 static void __init omap_perseus2_map_io(void)
318 omap7xx_map_io();
319 iotable_init(omap_perseus2_io_desc,
320 ARRAY_SIZE(omap_perseus2_io_desc));
323 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
324 /* Maintainer: Kevin Hilman <kjh@hilman.org> */
325 .atag_offset = 0x100,
326 .map_io = omap_perseus2_map_io,
327 .init_early = omap1_init_early,
328 .reserve = omap_reserve,
329 .init_irq = omap1_init_irq,
330 .init_machine = omap_perseus2_init,
331 .init_late = omap1_init_late,
332 .timer = &omap1_timer,
333 .restart = omap1_restart,
334 MACHINE_END