Merge master.kernel.org:/home/rmk/linux-2.6-arm
[linux-2.6.git] / arch / arm / mach-omap1 / board-h3.c
1 /*
2  * linux/arch/arm/mach-omap1/board-h3.c
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
17 #include <linux/types.h>
18 #include <linux/init.h>
19 #include <linux/major.h>
20 #include <linux/kernel.h>
21 #include <linux/platform_device.h>
22 #include <linux/errno.h>
23 #include <linux/workqueue.h>
24 #include <linux/mtd/mtd.h>
25 #include <linux/mtd/nand.h>
26 #include <linux/mtd/partitions.h>
27 #include <linux/input.h>
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>
38 #include <asm/arch/gpioexpander.h>
39 #include <asm/arch/irqs.h>
40 #include <asm/arch/mux.h>
41 #include <asm/arch/tc.h>
42 #include <asm/arch/irda.h>
43 #include <asm/arch/usb.h>
44 #include <asm/arch/keypad.h>
45 #include <asm/arch/dma.h>
46 #include <asm/arch/common.h>
47
48 extern int omap_gpio_init(void);
49
50 static 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
90 static struct mtd_partition nor_partitions[] = {
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
121 static struct flash_platform_data nor_data = {
122         .map_name       = "cfi_probe",
123         .width          = 2,
124         .parts          = nor_partitions,
125         .nr_parts       = ARRAY_SIZE(nor_partitions),
126 };
127
128 static struct resource nor_resource = {
129         /* This is on CS3, wherever it's mapped */
130         .flags          = IORESOURCE_MEM,
131 };
132
133 static struct platform_device nor_device = {
134         .name           = "omapflash",
135         .id             = 0,
136         .dev            = {
137                 .platform_data  = &nor_data,
138         },
139         .num_resources  = 1,
140         .resource       = &nor_resource,
141 };
142
143 static 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 */
177 static 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
183 static struct resource nand_resource = {
184         .flags          = IORESOURCE_MEM,
185 };
186
187 static struct platform_device nand_device = {
188         .name           = "omapnand",
189         .id             = 0,
190         .dev            = {
191                 .platform_data  = &nand_data,
192         },
193         .num_resources  = 1,
194         .resource       = &nand_resource,
195 };
196
197 static 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
210 static 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
221 static 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
234 static 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
241 static struct resource h3_kp_resources[] = {
242         [0] = {
243                 .start  = INT_KEYBOARD,
244                 .end    = INT_KEYBOARD,
245                 .flags  = IORESOURCE_IRQ,
246         },
247 };
248
249 static struct omap_kp_platform_data h3_kp_data = {
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,
257 };
258
259 static 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  */
272 static 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
297 static void set_trans_mode(struct work_struct *work)
298 {
299         struct omap_irda_config *irda_config =
300                 container_of(work, struct omap_irda_config, gpio_expa.work);
301         int mode = irda_config->mode;
302         unsigned char expa;
303         int err = 0;
304
305         if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
306                 printk(KERN_ERR "Error reading from I/O expander\n");
307         }
308
309         expa &= ~0x03;
310
311         if (mode & IR_SIRMODE) {
312                 expa |= 0x01;
313         } else { /* MIR/FIR */
314                 expa |= 0x03;
315         }
316
317         if ((err = write_gpio_expa(expa, 0x27)) != 0) {
318                 printk(KERN_ERR "Error writing to I/O expander\n");
319         }
320 }
321
322 static int h3_transceiver_mode(struct device *dev, int mode)
323 {
324         struct omap_irda_config *irda_config = dev->platform_data;
325
326         irda_config->mode = mode;
327         cancel_delayed_work(&irda_config->gpio_expa);
328         PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
329         schedule_delayed_work(&irda_config->gpio_expa, 0);
330
331         return 0;
332 }
333
334 static struct omap_irda_config h3_irda_data = {
335         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
336         .transceiver_mode       = h3_transceiver_mode,
337         .select_irda            = h3_select_irda,
338         .rx_channel             = OMAP_DMA_UART3_RX,
339         .tx_channel             = OMAP_DMA_UART3_TX,
340         .dest_start             = UART3_THR,
341         .src_start              = UART3_RHR,
342         .tx_trigger             = 0,
343         .rx_trigger             = 0,
344 };
345
346 static struct resource h3_irda_resources[] = {
347         [0] = {
348                 .start  = INT_UART3,
349                 .end    = INT_UART3,
350                 .flags  = IORESOURCE_IRQ,
351         },
352 };
353
354 static struct platform_device h3_irda_device = {
355         .name           = "omapirda",
356         .id             = 0,
357         .dev            = {
358                 .platform_data  = &h3_irda_data,
359         },
360         .num_resources  = ARRAY_SIZE(h3_irda_resources),
361         .resource       = h3_irda_resources,
362 };
363
364 static struct platform_device h3_lcd_device = {
365         .name           = "lcd_h3",
366         .id             = -1,
367 };
368
369 static struct platform_device *devices[] __initdata = {
370         &nor_device,
371         &nand_device,
372         &smc91x_device,
373         &intlat_device,
374         &h3_irda_device,
375         &h3_kp_device,
376         &h3_lcd_device,
377 };
378
379 static struct omap_usb_config h3_usb_config __initdata = {
380         /* usb1 has a Mini-AB port and external isp1301 transceiver */
381         .otg        = 2,
382
383 #ifdef CONFIG_USB_GADGET_OMAP
384         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
385 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
386         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
387         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
388 #endif
389
390         .pins[1]        = 3,
391 };
392
393 static struct omap_mmc_config h3_mmc_config __initdata = {
394         .mmc[0] = {
395                 .enabled        = 1,
396                 .power_pin      = -1,   /* tps65010 GPIO4 */
397                 .switch_pin     = OMAP_MPUIO(1),
398         },
399 };
400
401 static struct omap_uart_config h3_uart_config __initdata = {
402         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
403 };
404
405 static struct omap_lcd_config h3_lcd_config __initdata = {
406         .ctrl_name      = "internal",
407 };
408
409 static struct omap_board_config_kernel h3_config[] = {
410         { OMAP_TAG_USB,         &h3_usb_config },
411         { OMAP_TAG_MMC,         &h3_mmc_config },
412         { OMAP_TAG_UART,        &h3_uart_config },
413         { OMAP_TAG_LCD,         &h3_lcd_config },
414 };
415
416 #define H3_NAND_RB_GPIO_PIN     10
417
418 static int nand_dev_ready(struct nand_platform_data *data)
419 {
420         return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN);
421 }
422
423 static void __init h3_init(void)
424 {
425         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
426          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
427          * notice whether a NAND chip is enabled at probe time.
428          *
429          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
430          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
431          * to avoid probing every possible flash configuration...
432          */
433         nor_resource.end = nor_resource.start = omap_cs3_phys();
434         nor_resource.end += SZ_32M - 1;
435
436         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
437         nand_resource.end += SZ_4K - 1;
438         if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))
439                 nand_data.dev_ready = nand_dev_ready;
440
441         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
442         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
443         omap_cfg_reg(V2_1710_GPIO10);
444
445         platform_add_devices(devices, ARRAY_SIZE(devices));
446         omap_board_config = h3_config;
447         omap_board_config_size = ARRAY_SIZE(h3_config);
448         omap_serial_init();
449 }
450
451 static void __init h3_init_smc91x(void)
452 {
453         omap_cfg_reg(W15_1710_GPIO40);
454         if (omap_request_gpio(40) < 0) {
455                 printk("Error requesting gpio 40 for smc91x irq\n");
456                 return;
457         }
458 }
459
460 static void __init h3_init_irq(void)
461 {
462         omap1_init_common_hw();
463         omap_init_irq();
464         omap_gpio_init();
465         h3_init_smc91x();
466 }
467
468 static void __init h3_map_io(void)
469 {
470         omap1_map_common_io();
471 }
472
473 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
474         /* Maintainer: Texas Instruments, Inc. */
475         .phys_io        = 0xfff00000,
476         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
477         .boot_params    = 0x10000100,
478         .map_io         = h3_map_io,
479         .init_irq       = h3_init_irq,
480         .init_machine   = h3_init,
481         .timer          = &omap_timer,
482 MACHINE_END