WorkQueue: Fix up arch-specific work items where possible
[deliverable/linux.git] / arch / arm / mach-omap1 / board-h3.c
CommitLineData
1da177e4 1/*
dbdf9ced 2 * linux/arch/arm/mach-omap1/board-h3.c
1da177e4
LT
3 *
4 * This file contains OMAP1710 H3 specific code.
5 *
6 * Copyright (C) 2004 Texas Instruments, Inc.
7 * Copyright (C) 2002 MontaVista Software, Inc.
8 * Copyright (C) 2001 RidgeRun, Inc.
9 * Author: RidgeRun, Inc.
10 * Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 */
16
1da177e4
LT
17#include <linux/types.h>
18#include <linux/init.h>
19#include <linux/major.h>
20#include <linux/kernel.h>
d052d1be 21#include <linux/platform_device.h>
1da177e4 22#include <linux/errno.h>
9b6553cd 23#include <linux/workqueue.h>
1da177e4 24#include <linux/mtd/mtd.h>
9b6553cd 25#include <linux/mtd/nand.h>
1da177e4 26#include <linux/mtd/partitions.h>
9b6553cd 27#include <linux/input.h>
1da177e4
LT
28
29#include <asm/setup.h>
30#include <asm/page.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>
36
37#include <asm/arch/gpio.h>
9b6553cd 38#include <asm/arch/gpioexpander.h>
1da177e4
LT
39#include <asm/arch/irqs.h>
40#include <asm/arch/mux.h>
41#include <asm/arch/tc.h>
9b6553cd 42#include <asm/arch/irda.h>
1da177e4 43#include <asm/arch/usb.h>
9b6553cd
TL
44#include <asm/arch/keypad.h>
45#include <asm/arch/dma.h>
d48af15e 46#include <asm/arch/common.h>
1da177e4
LT
47
48extern int omap_gpio_init(void);
49
9b6553cd
TL
50static int h3_keymap[] = {
51 KEY(0, 0, KEY_LEFT),
52 KEY(0, 1, KEY_RIGHT),
53 KEY(0, 2, KEY_3),
54 KEY(0, 3, KEY_F10),
55 KEY(0, 4, KEY_F5),
56 KEY(0, 5, KEY_9),
57 KEY(1, 0, KEY_DOWN),
58 KEY(1, 1, KEY_UP),
59 KEY(1, 2, KEY_2),
60 KEY(1, 3, KEY_F9),
61 KEY(1, 4, KEY_F7),
62 KEY(1, 5, KEY_0),
63 KEY(2, 0, KEY_ENTER),
64 KEY(2, 1, KEY_6),
65 KEY(2, 2, KEY_1),
66 KEY(2, 3, KEY_F2),
67 KEY(2, 4, KEY_F6),
68 KEY(2, 5, KEY_HOME),
69 KEY(3, 0, KEY_8),
70 KEY(3, 1, KEY_5),
71 KEY(3, 2, KEY_F12),
72 KEY(3, 3, KEY_F3),
73 KEY(3, 4, KEY_F8),
74 KEY(3, 5, KEY_END),
75 KEY(4, 0, KEY_7),
76 KEY(4, 1, KEY_4),
77 KEY(4, 2, KEY_F11),
78 KEY(4, 3, KEY_F1),
79 KEY(4, 4, KEY_F4),
80 KEY(4, 5, KEY_ESC),
81 KEY(5, 0, KEY_F13),
82 KEY(5, 1, KEY_F14),
83 KEY(5, 2, KEY_F15),
84 KEY(5, 3, KEY_F16),
85 KEY(5, 4, KEY_SLEEP),
86 0
87};
88
89
90static struct mtd_partition nor_partitions[] = {
1da177e4
LT
91 /* bootloader (U-Boot, etc) in first sector */
92 {
93 .name = "bootloader",
94 .offset = 0,
95 .size = SZ_128K,
96 .mask_flags = MTD_WRITEABLE, /* force read-only */
97 },
98 /* bootloader params in the next sector */
99 {
100 .name = "params",
101 .offset = MTDPART_OFS_APPEND,
102 .size = SZ_128K,
103 .mask_flags = 0,
104 },
105 /* kernel */
106 {
107 .name = "kernel",
108 .offset = MTDPART_OFS_APPEND,
109 .size = SZ_2M,
110 .mask_flags = 0
111 },
112 /* file system */
113 {
114 .name = "filesystem",
115 .offset = MTDPART_OFS_APPEND,
116 .size = MTDPART_SIZ_FULL,
117 .mask_flags = 0
118 }
119};
120
9b6553cd 121static struct flash_platform_data nor_data = {
1da177e4
LT
122 .map_name = "cfi_probe",
123 .width = 2,
9b6553cd
TL
124 .parts = nor_partitions,
125 .nr_parts = ARRAY_SIZE(nor_partitions),
1da177e4
LT
126};
127
9b6553cd 128static struct resource nor_resource = {
7c38cf02 129 /* This is on CS3, wherever it's mapped */
1da177e4
LT
130 .flags = IORESOURCE_MEM,
131};
132
9b6553cd 133static struct platform_device nor_device = {
1da177e4
LT
134 .name = "omapflash",
135 .id = 0,
136 .dev = {
9b6553cd
TL
137 .platform_data = &nor_data,
138 },
139 .num_resources = 1,
140 .resource = &nor_resource,
141};
142
143static struct mtd_partition nand_partitions[] = {
144#if 0
145 /* REVISIT: enable these partitions if you make NAND BOOT work */
146 {
147 .name = "xloader",
148 .offset = 0,
149 .size = 64 * 1024,
150 .mask_flags = MTD_WRITEABLE, /* force read-only */
151 },
152 {
153 .name = "bootloader",
154 .offset = MTDPART_OFS_APPEND,
155 .size = 256 * 1024,
156 .mask_flags = MTD_WRITEABLE, /* force read-only */
157 },
158 {
159 .name = "params",
160 .offset = MTDPART_OFS_APPEND,
161 .size = 192 * 1024,
162 },
163 {
164 .name = "kernel",
165 .offset = MTDPART_OFS_APPEND,
166 .size = 2 * SZ_1M,
167 },
168#endif
169 {
170 .name = "filesystem",
171 .size = MTDPART_SIZ_FULL,
172 .offset = MTDPART_OFS_APPEND,
173 },
174};
175
176/* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
177static struct nand_platform_data nand_data = {
178 .options = NAND_SAMSUNG_LP_OPTIONS,
179 .parts = nand_partitions,
180 .nr_parts = ARRAY_SIZE(nand_partitions),
181};
182
183static struct resource nand_resource = {
184 .flags = IORESOURCE_MEM,
185};
186
187static struct platform_device nand_device = {
188 .name = "omapnand",
189 .id = 0,
190 .dev = {
191 .platform_data = &nand_data,
1da177e4
LT
192 },
193 .num_resources = 1,
9b6553cd 194 .resource = &nand_resource,
1da177e4
LT
195};
196
197static struct resource smc91x_resources[] = {
198 [0] = {
199 .start = OMAP1710_ETHR_START, /* Physical */
200 .end = OMAP1710_ETHR_START + 0xf,
201 .flags = IORESOURCE_MEM,
202 },
203 [1] = {
204 .start = OMAP_GPIO_IRQ(40),
205 .end = OMAP_GPIO_IRQ(40),
206 .flags = IORESOURCE_IRQ,
207 },
208};
209
210static struct platform_device smc91x_device = {
211 .name = "smc91x",
212 .id = 0,
213 .num_resources = ARRAY_SIZE(smc91x_resources),
214 .resource = smc91x_resources,
215};
216
217#define GPTIMER_BASE 0xFFFB1400
218#define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
219#define GPTIMER_REGS_SIZE 0x46
220
221static struct resource intlat_resources[] = {
222 [0] = {
223 .start = GPTIMER_REGS(0), /* Physical */
224 .end = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
225 .flags = IORESOURCE_MEM,
226 },
227 [1] = {
228 .start = INT_1610_GPTIMER1,
229 .end = INT_1610_GPTIMER1,
230 .flags = IORESOURCE_IRQ,
231 },
232};
233
234static struct platform_device intlat_device = {
235 .name = "omap_intlat",
236 .id = 0,
237 .num_resources = ARRAY_SIZE(intlat_resources),
238 .resource = intlat_resources,
239};
240
9b6553cd
TL
241static struct resource h3_kp_resources[] = {
242 [0] = {
243 .start = INT_KEYBOARD,
244 .end = INT_KEYBOARD,
245 .flags = IORESOURCE_IRQ,
246 },
247};
248
249static struct omap_kp_platform_data h3_kp_data = {
4d24607b
KS
250 .rows = 8,
251 .cols = 8,
252 .keymap = h3_keymap,
253 .keymapsize = ARRAY_SIZE(h3_keymap),
254 .rep = 1,
255 .delay = 9,
256 .dbounce = 1,
9b6553cd
TL
257};
258
259static struct platform_device h3_kp_device = {
260 .name = "omap-keypad",
261 .id = -1,
262 .dev = {
263 .platform_data = &h3_kp_data,
264 },
265 .num_resources = ARRAY_SIZE(h3_kp_resources),
266 .resource = h3_kp_resources,
267};
268
269
270/* Select between the IrDA and aGPS module
271 */
272static int h3_select_irda(struct device *dev, int state)
273{
274 unsigned char expa;
275 int err = 0;
276
277 if ((err = read_gpio_expa(&expa, 0x26))) {
278 printk(KERN_ERR "Error reading from I/O EXPANDER \n");
279 return err;
280 }
281
282 /* 'P6' enable/disable IRDA_TX and IRDA_RX */
283 if (state & IR_SEL) { /* IrDA */
284 if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
285 printk(KERN_ERR "Error writing to I/O EXPANDER \n");
286 return err;
287 }
288 } else {
289 if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
290 printk(KERN_ERR "Error writing to I/O EXPANDER \n");
291 return err;
292 }
293 }
294 return err;
295}
296
297static void set_trans_mode(void *data)
298{
299 int *mode = data;
300 unsigned char expa;
301 int err = 0;
302
303 if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
304 printk(KERN_ERR "Error reading from I/O expander\n");
305 }
306
307 expa &= ~0x03;
308
309 if (*mode & IR_SIRMODE) {
310 expa |= 0x01;
311 } else { /* MIR/FIR */
312 expa |= 0x03;
313 }
314
315 if ((err = write_gpio_expa(expa, 0x27)) != 0) {
316 printk(KERN_ERR "Error writing to I/O expander\n");
317 }
318}
319
320static int h3_transceiver_mode(struct device *dev, int mode)
321{
322 struct omap_irda_config *irda_config = dev->platform_data;
323
324 cancel_delayed_work(&irda_config->gpio_expa);
325 PREPARE_WORK(&irda_config->gpio_expa, set_trans_mode, &mode);
6d5aefb8
DH
326#error this is not permitted - mode is an argument variable
327 schedule_delayed_work(&irda_config->gpio_expa, 0);
9b6553cd
TL
328
329 return 0;
330}
331
332static struct omap_irda_config h3_irda_data = {
333 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
334 .transceiver_mode = h3_transceiver_mode,
335 .select_irda = h3_select_irda,
336 .rx_channel = OMAP_DMA_UART3_RX,
337 .tx_channel = OMAP_DMA_UART3_TX,
338 .dest_start = UART3_THR,
339 .src_start = UART3_RHR,
340 .tx_trigger = 0,
341 .rx_trigger = 0,
342};
343
344static struct resource h3_irda_resources[] = {
345 [0] = {
346 .start = INT_UART3,
347 .end = INT_UART3,
348 .flags = IORESOURCE_IRQ,
349 },
350};
351
352static struct platform_device h3_irda_device = {
353 .name = "omapirda",
354 .id = 0,
355 .dev = {
356 .platform_data = &h3_irda_data,
357 },
358 .num_resources = ARRAY_SIZE(h3_irda_resources),
359 .resource = h3_irda_resources,
360};
361
362static struct platform_device h3_lcd_device = {
363 .name = "lcd_h3",
364 .id = -1,
365};
366
1da177e4 367static struct platform_device *devices[] __initdata = {
9b6553cd
TL
368 &nor_device,
369 &nand_device,
1da177e4
LT
370 &smc91x_device,
371 &intlat_device,
9b6553cd
TL
372 &h3_irda_device,
373 &h3_kp_device,
374 &h3_lcd_device,
1da177e4
LT
375};
376
377static struct omap_usb_config h3_usb_config __initdata = {
378 /* usb1 has a Mini-AB port and external isp1301 transceiver */
379 .otg = 2,
380
381#ifdef CONFIG_USB_GADGET_OMAP
382 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
383#elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
384 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
385 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
386#endif
387
388 .pins[1] = 3,
389};
390
7c38cf02
TL
391static struct omap_mmc_config h3_mmc_config __initdata = {
392 .mmc[0] = {
393 .enabled = 1,
394 .power_pin = -1, /* tps65010 GPIO4 */
395 .switch_pin = OMAP_MPUIO(1),
396 },
397};
398
3179a019
TL
399static struct omap_uart_config h3_uart_config __initdata = {
400 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
401};
402
403static struct omap_lcd_config h3_lcd_config __initdata = {
3179a019
TL
404 .ctrl_name = "internal",
405};
406
1da177e4 407static struct omap_board_config_kernel h3_config[] = {
3179a019
TL
408 { OMAP_TAG_USB, &h3_usb_config },
409 { OMAP_TAG_MMC, &h3_mmc_config },
410 { OMAP_TAG_UART, &h3_uart_config },
411 { OMAP_TAG_LCD, &h3_lcd_config },
1da177e4
LT
412};
413
9b6553cd
TL
414#define H3_NAND_RB_GPIO_PIN 10
415
416static int nand_dev_ready(struct nand_platform_data *data)
417{
418 return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN);
419}
420
1da177e4
LT
421static void __init h3_init(void)
422{
9b6553cd
TL
423 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
424 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
425 * notice whether a NAND chip is enabled at probe time.
426 *
427 * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
428 * (which on H2 may be 16bit) on CS3. Try detecting that in code here,
429 * to avoid probing every possible flash configuration...
430 */
431 nor_resource.end = nor_resource.start = omap_cs3_phys();
432 nor_resource.end += SZ_32M - 1;
433
434 nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
435 nand_resource.end += SZ_4K - 1;
436 if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))
437 nand_data.dev_ready = nand_dev_ready;
438
439 /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
440 /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
441 omap_cfg_reg(V2_1710_GPIO10);
442
443 platform_add_devices(devices, ARRAY_SIZE(devices));
7c38cf02
TL
444 omap_board_config = h3_config;
445 omap_board_config_size = ARRAY_SIZE(h3_config);
3179a019 446 omap_serial_init();
1da177e4
LT
447}
448
449static void __init h3_init_smc91x(void)
450{
451 omap_cfg_reg(W15_1710_GPIO40);
452 if (omap_request_gpio(40) < 0) {
453 printk("Error requesting gpio 40 for smc91x irq\n");
454 return;
455 }
1da177e4
LT
456}
457
458void h3_init_irq(void)
459{
87bd63f6 460 omap1_init_common_hw();
1da177e4
LT
461 omap_init_irq();
462 omap_gpio_init();
463 h3_init_smc91x();
464}
465
466static void __init h3_map_io(void)
467{
87bd63f6 468 omap1_map_common_io();
1da177e4
LT
469}
470
471MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
e9dea0c6 472 /* Maintainer: Texas Instruments, Inc. */
e9dea0c6
RK
473 .phys_io = 0xfff00000,
474 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
475 .boot_params = 0x10000100,
476 .map_io = h3_map_io,
477 .init_irq = h3_init_irq,
478 .init_machine = h3_init,
1da177e4
LT
479 .timer = &omap_timer,
480MACHINE_END
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