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1/*
2 * linux/arch/arm/mach-omap1/board-h2.c
3 *
4 * Board specific inits for OMAP-1610 H2
5 *
6 * Copyright (C) 2001 RidgeRun, Inc.
7 * Author: Greg Lonnon <glonnon@ridgerun.com>
8 *
9 * Copyright (C) 2002 MontaVista Software, Inc.
10 *
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>
13 *
14 * H2 specific changes and cleanup
15 * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
16 *
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.
20 */
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>
33#include <linux/omapfb.h>
34
35#include <asm/mach-types.h>
36#include <asm/mach/arch.h>
37#include <asm/mach/map.h>
38
39#include <plat/mux.h>
40#include <plat/dma.h>
41#include <plat/tc.h>
42#include <plat/irda.h>
43#include <plat/usb.h>
44#include <plat/keypad.h>
45#include <plat/flash.h>
46
47#include <mach/hardware.h>
48
49#include "common.h"
50#include "board-h2.h"
51
52/* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
53#define OMAP1610_ETHR_START 0x04000300
54
55static const unsigned int h2_keymap[] = {
56 KEY(0, 0, KEY_LEFT),
57 KEY(1, 0, KEY_RIGHT),
58 KEY(2, 0, KEY_3),
59 KEY(3, 0, KEY_F10),
60 KEY(4, 0, KEY_F5),
61 KEY(5, 0, KEY_9),
62 KEY(0, 1, KEY_DOWN),
63 KEY(1, 1, KEY_UP),
64 KEY(2, 1, KEY_2),
65 KEY(3, 1, KEY_F9),
66 KEY(4, 1, KEY_F7),
67 KEY(5, 1, KEY_0),
68 KEY(0, 2, KEY_ENTER),
69 KEY(1, 2, KEY_6),
70 KEY(2, 2, KEY_1),
71 KEY(3, 2, KEY_F2),
72 KEY(4, 2, KEY_F6),
73 KEY(5, 2, KEY_HOME),
74 KEY(0, 3, KEY_8),
75 KEY(1, 3, KEY_5),
76 KEY(2, 3, KEY_F12),
77 KEY(3, 3, KEY_F3),
78 KEY(4, 3, KEY_F8),
79 KEY(5, 3, KEY_END),
80 KEY(0, 4, KEY_7),
81 KEY(1, 4, KEY_4),
82 KEY(2, 4, KEY_F11),
83 KEY(3, 4, KEY_F1),
84 KEY(4, 4, KEY_F4),
85 KEY(5, 4, KEY_ESC),
86 KEY(0, 5, KEY_F13),
87 KEY(1, 5, KEY_F14),
88 KEY(2, 5, KEY_F15),
89 KEY(3, 5, KEY_F16),
90 KEY(4, 5, KEY_SLEEP),
91};
92
93static struct mtd_partition h2_nor_partitions[] = {
94 /* bootloader (U-Boot, etc) in first sector */
95 {
96 .name = "bootloader",
97 .offset = 0,
98 .size = SZ_128K,
99 .mask_flags = MTD_WRITEABLE, /* force read-only */
100 },
101 /* bootloader params in the next sector */
102 {
103 .name = "params",
104 .offset = MTDPART_OFS_APPEND,
105 .size = SZ_128K,
106 .mask_flags = 0,
107 },
108 /* kernel */
109 {
110 .name = "kernel",
111 .offset = MTDPART_OFS_APPEND,
112 .size = SZ_2M,
113 .mask_flags = 0
114 },
115 /* file system */
116 {
117 .name = "filesystem",
118 .offset = MTDPART_OFS_APPEND,
119 .size = MTDPART_SIZ_FULL,
120 .mask_flags = 0
121 }
122};
123
124static struct physmap_flash_data h2_nor_data = {
125 .width = 2,
126 .set_vpp = omap1_set_vpp,
127 .parts = h2_nor_partitions,
128 .nr_parts = ARRAY_SIZE(h2_nor_partitions),
129};
130
131static struct resource h2_nor_resource = {
132 /* This is on CS3, wherever it's mapped */
133 .flags = IORESOURCE_MEM,
134};
135
136static struct platform_device h2_nor_device = {
137 .name = "physmap-flash",
138 .id = 0,
139 .dev = {
140 .platform_data = &h2_nor_data,
141 },
142 .num_resources = 1,
143 .resource = &h2_nor_resource,
144};
145
146static struct mtd_partition h2_nand_partitions[] = {
147#if 0
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.
151 */
152 {
153 .name = "xloader",
154 .offset = 0,
155 .size = 64 * 1024,
156 .mask_flags = MTD_WRITEABLE, /* force read-only */
157 },
158 {
159 .name = "bootloader",
160 .offset = MTDPART_OFS_APPEND,
161 .size = 256 * 1024,
162 .mask_flags = MTD_WRITEABLE, /* force read-only */
163 },
164 {
165 .name = "params",
166 .offset = MTDPART_OFS_APPEND,
167 .size = 192 * 1024,
168 },
169 {
170 .name = "kernel",
171 .offset = MTDPART_OFS_APPEND,
172 .size = 2 * SZ_1M,
173 },
174#endif
175 {
176 .name = "filesystem",
177 .size = MTDPART_SIZ_FULL,
178 .offset = MTDPART_OFS_APPEND,
179 },
180};
181
182#define H2_NAND_RB_GPIO_PIN 62
183
184static int h2_nand_dev_ready(struct mtd_info *mtd)
185{
186 return gpio_get_value(H2_NAND_RB_GPIO_PIN);
187}
188
189static struct platform_nand_data h2_nand_platdata = {
190 .chip = {
191 .nr_chips = 1,
192 .chip_offset = 0,
193 .nr_partitions = ARRAY_SIZE(h2_nand_partitions),
194 .partitions = h2_nand_partitions,
195 .options = NAND_SAMSUNG_LP_OPTIONS,
196 },
197 .ctrl = {
198 .cmd_ctrl = omap1_nand_cmd_ctl,
199 .dev_ready = h2_nand_dev_ready,
200 },
201};
202
203static struct resource h2_nand_resource = {
204 .flags = IORESOURCE_MEM,
205};
206
207static struct platform_device h2_nand_device = {
208 .name = "gen_nand",
209 .id = 0,
210 .dev = {
211 .platform_data = &h2_nand_platdata,
212 },
213 .num_resources = 1,
214 .resource = &h2_nand_resource,
215};
216
217static struct smc91x_platdata h2_smc91x_info = {
218 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
219 .leda = RPC_LED_100_10,
220 .ledb = RPC_LED_TX_RX,
221};
222
223static struct resource h2_smc91x_resources[] = {
224 [0] = {
225 .start = OMAP1610_ETHR_START, /* Physical */
226 .end = OMAP1610_ETHR_START + 0xf,
227 .flags = IORESOURCE_MEM,
228 },
229 [1] = {
230 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
231 },
232};
233
234static struct platform_device h2_smc91x_device = {
235 .name = "smc91x",
236 .id = 0,
237 .dev = {
238 .platform_data = &h2_smc91x_info,
239 },
240 .num_resources = ARRAY_SIZE(h2_smc91x_resources),
241 .resource = h2_smc91x_resources,
242};
243
244static struct resource h2_kp_resources[] = {
245 [0] = {
246 .start = INT_KEYBOARD,
247 .end = INT_KEYBOARD,
248 .flags = IORESOURCE_IRQ,
249 },
250};
251
252static const struct matrix_keymap_data h2_keymap_data = {
253 .keymap = h2_keymap,
254 .keymap_size = ARRAY_SIZE(h2_keymap),
255};
256
257static struct omap_kp_platform_data h2_kp_data = {
258 .rows = 8,
259 .cols = 8,
260 .keymap_data = &h2_keymap_data,
261 .rep = true,
262 .delay = 9,
263 .dbounce = true,
264};
265
266static struct platform_device h2_kp_device = {
267 .name = "omap-keypad",
268 .id = -1,
269 .dev = {
270 .platform_data = &h2_kp_data,
271 },
272 .num_resources = ARRAY_SIZE(h2_kp_resources),
273 .resource = h2_kp_resources,
274};
275
276#define H2_IRDA_FIRSEL_GPIO_PIN 17
277
278static struct omap_irda_config h2_irda_data = {
279 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
280 .rx_channel = OMAP_DMA_UART3_RX,
281 .tx_channel = OMAP_DMA_UART3_TX,
282 .dest_start = UART3_THR,
283 .src_start = UART3_RHR,
284 .tx_trigger = 0,
285 .rx_trigger = 0,
286};
287
288static struct resource h2_irda_resources[] = {
289 [0] = {
290 .start = INT_UART3,
291 .end = INT_UART3,
292 .flags = IORESOURCE_IRQ,
293 },
294};
295
296static u64 irda_dmamask = 0xffffffff;
297
298static struct platform_device h2_irda_device = {
299 .name = "omapirda",
300 .id = 0,
301 .dev = {
302 .platform_data = &h2_irda_data,
303 .dma_mask = &irda_dmamask,
304 },
305 .num_resources = ARRAY_SIZE(h2_irda_resources),
306 .resource = h2_irda_resources,
307};
308
309static struct platform_device *h2_devices[] __initdata = {
310 &h2_nor_device,
311 &h2_nand_device,
312 &h2_smc91x_device,
313 &h2_irda_device,
314 &h2_kp_device,
315};
316
317static void __init h2_init_smc91x(void)
318{
319 if (gpio_request(0, "SMC91x irq") < 0) {
320 printk("Error requesting gpio 0 for smc91x irq\n");
321 return;
322 }
323}
324
325static int tps_setup(struct i2c_client *client, void *context)
326{
327 tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
328 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
329
330 return 0;
331}
332
333static struct tps65010_board tps_board = {
334 .base = H2_TPS_GPIO_BASE,
335 .outmask = 0x0f,
336 .setup = tps_setup,
337};
338
339static struct i2c_board_info __initdata h2_i2c_board_info[] = {
340 {
341 I2C_BOARD_INFO("tps65010", 0x48),
342 .platform_data = &tps_board,
343 }, {
344 I2C_BOARD_INFO("isp1301_omap", 0x2d),
345 },
346};
347
348static struct omap_usb_config h2_usb_config __initdata = {
349 /* usb1 has a Mini-AB port and external isp1301 transceiver */
350 .otg = 2,
351
352#ifdef CONFIG_USB_GADGET_OMAP
353 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
354 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
355#elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
356 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
357 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
358#endif
359
360 .pins[1] = 3,
361};
362
363static struct omap_lcd_config h2_lcd_config __initdata = {
364 .ctrl_name = "internal",
365};
366
367static void __init h2_init(void)
368{
369 h2_init_smc91x();
370
371 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
372 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
373 * notice whether a NAND chip is enabled at probe time.
374 *
375 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
376 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
377 * detecting that in code here, to avoid probing every possible flash
378 * configuration...
379 */
380 h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
381 h2_nor_resource.end += SZ_32M - 1;
382
383 h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
384 h2_nand_resource.end += SZ_4K - 1;
385 if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
386 BUG();
387 gpio_direction_input(H2_NAND_RB_GPIO_PIN);
388
389 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
390 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
391
392 /* MMC: card detect and WP */
393 /* omap_cfg_reg(U19_ARMIO1); */ /* CD */
394 omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */
395
396 /* Mux pins for keypad */
397 omap_cfg_reg(F18_1610_KBC0);
398 omap_cfg_reg(D20_1610_KBC1);
399 omap_cfg_reg(D19_1610_KBC2);
400 omap_cfg_reg(E18_1610_KBC3);
401 omap_cfg_reg(C21_1610_KBC4);
402 omap_cfg_reg(G18_1610_KBR0);
403 omap_cfg_reg(F19_1610_KBR1);
404 omap_cfg_reg(H14_1610_KBR2);
405 omap_cfg_reg(E20_1610_KBR3);
406 omap_cfg_reg(E19_1610_KBR4);
407 omap_cfg_reg(N19_1610_KBR5);
408
409 h2_smc91x_resources[1].start = gpio_to_irq(0);
410 h2_smc91x_resources[1].end = gpio_to_irq(0);
411 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
412 omap_serial_init();
413 h2_i2c_board_info[0].irq = gpio_to_irq(58);
414 h2_i2c_board_info[1].irq = gpio_to_irq(2);
415 omap_register_i2c_bus(1, 100, h2_i2c_board_info,
416 ARRAY_SIZE(h2_i2c_board_info));
417 omap1_usb_init(&h2_usb_config);
418 h2_mmc_init();
419
420 omapfb_set_lcd_config(&h2_lcd_config);
421}
422
423MACHINE_START(OMAP_H2, "TI-H2")
424 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
425 .atag_offset = 0x100,
426 .map_io = omap16xx_map_io,
427 .init_early = omap1_init_early,
428 .reserve = omap_reserve,
429 .init_irq = omap1_init_irq,
430 .init_machine = h2_init,
431 .init_late = omap1_init_late,
432 .timer = &omap1_timer,
433 .restart = omap1_restart,
434MACHINE_END