Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
[linux-2.6] / 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         .rep    = 1,
254 };
255
256 static struct platform_device h3_kp_device = {
257         .name           = "omap-keypad",
258         .id             = -1,
259         .dev            = {
260                 .platform_data = &h3_kp_data,
261         },
262         .num_resources  = ARRAY_SIZE(h3_kp_resources),
263         .resource       = h3_kp_resources,
264 };
265
266
267 /* Select between the IrDA and aGPS module
268  */
269 static int h3_select_irda(struct device *dev, int state)
270 {
271         unsigned char expa;
272         int err = 0;
273
274         if ((err = read_gpio_expa(&expa, 0x26))) {
275                 printk(KERN_ERR "Error reading from I/O EXPANDER \n");
276                 return err;
277         }
278
279         /* 'P6' enable/disable IRDA_TX and IRDA_RX */
280         if (state & IR_SEL) { /* IrDA */
281                 if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
282                         printk(KERN_ERR "Error writing to I/O EXPANDER \n");
283                         return err;
284                 }
285         } else {
286                 if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
287                         printk(KERN_ERR "Error writing to I/O EXPANDER \n");
288                         return err;
289                 }
290         }
291         return err;
292 }
293
294 static void set_trans_mode(void *data)
295 {
296         int *mode = data;
297         unsigned char expa;
298         int err = 0;
299
300         if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
301                 printk(KERN_ERR "Error reading from I/O expander\n");
302         }
303
304         expa &= ~0x03;
305
306         if (*mode & IR_SIRMODE) {
307                 expa |= 0x01;
308         } else { /* MIR/FIR */
309                 expa |= 0x03;
310         }
311
312         if ((err = write_gpio_expa(expa, 0x27)) != 0) {
313                 printk(KERN_ERR "Error writing to I/O expander\n");
314         }
315 }
316
317 static int h3_transceiver_mode(struct device *dev, int mode)
318 {
319         struct omap_irda_config *irda_config = dev->platform_data;
320
321         cancel_delayed_work(&irda_config->gpio_expa);
322         PREPARE_WORK(&irda_config->gpio_expa, set_trans_mode, &mode);
323         schedule_work(&irda_config->gpio_expa);
324
325         return 0;
326 }
327
328 static struct omap_irda_config h3_irda_data = {
329         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
330         .transceiver_mode       = h3_transceiver_mode,
331         .select_irda            = h3_select_irda,
332         .rx_channel             = OMAP_DMA_UART3_RX,
333         .tx_channel             = OMAP_DMA_UART3_TX,
334         .dest_start             = UART3_THR,
335         .src_start              = UART3_RHR,
336         .tx_trigger             = 0,
337         .rx_trigger             = 0,
338 };
339
340 static struct resource h3_irda_resources[] = {
341         [0] = {
342                 .start  = INT_UART3,
343                 .end    = INT_UART3,
344                 .flags  = IORESOURCE_IRQ,
345         },
346 };
347
348 static struct platform_device h3_irda_device = {
349         .name           = "omapirda",
350         .id             = 0,
351         .dev            = {
352                 .platform_data  = &h3_irda_data,
353         },
354         .num_resources  = ARRAY_SIZE(h3_irda_resources),
355         .resource       = h3_irda_resources,
356 };
357
358 static struct platform_device h3_lcd_device = {
359         .name           = "lcd_h3",
360         .id             = -1,
361 };
362
363 static struct platform_device *devices[] __initdata = {
364         &nor_device,
365         &nand_device,
366         &smc91x_device,
367         &intlat_device,
368         &h3_irda_device,
369         &h3_kp_device,
370         &h3_lcd_device,
371 };
372
373 static struct omap_usb_config h3_usb_config __initdata = {
374         /* usb1 has a Mini-AB port and external isp1301 transceiver */
375         .otg        = 2,
376
377 #ifdef CONFIG_USB_GADGET_OMAP
378         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
379 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
380         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
381         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
382 #endif
383
384         .pins[1]        = 3,
385 };
386
387 static struct omap_mmc_config h3_mmc_config __initdata = {
388         .mmc[0] = {
389                 .enabled        = 1,
390                 .power_pin      = -1,   /* tps65010 GPIO4 */
391                 .switch_pin     = OMAP_MPUIO(1),
392         },
393 };
394
395 static struct omap_uart_config h3_uart_config __initdata = {
396         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
397 };
398
399 static struct omap_lcd_config h3_lcd_config __initdata = {
400         .ctrl_name      = "internal",
401 };
402
403 static struct omap_board_config_kernel h3_config[] = {
404         { OMAP_TAG_USB,         &h3_usb_config },
405         { OMAP_TAG_MMC,         &h3_mmc_config },
406         { OMAP_TAG_UART,        &h3_uart_config },
407         { OMAP_TAG_LCD,         &h3_lcd_config },
408 };
409
410 #define H3_NAND_RB_GPIO_PIN     10
411
412 static int nand_dev_ready(struct nand_platform_data *data)
413 {
414         return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN);
415 }
416
417 static void __init h3_init(void)
418 {
419         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
420          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
421          * notice whether a NAND chip is enabled at probe time.
422          *
423          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
424          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
425          * to avoid probing every possible flash configuration...
426          */
427         nor_resource.end = nor_resource.start = omap_cs3_phys();
428         nor_resource.end += SZ_32M - 1;
429
430         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
431         nand_resource.end += SZ_4K - 1;
432         if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))
433                 nand_data.dev_ready = nand_dev_ready;
434
435         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
436         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
437         omap_cfg_reg(V2_1710_GPIO10);
438
439         platform_add_devices(devices, ARRAY_SIZE(devices));
440         omap_board_config = h3_config;
441         omap_board_config_size = ARRAY_SIZE(h3_config);
442         omap_serial_init();
443 }
444
445 static void __init h3_init_smc91x(void)
446 {
447         omap_cfg_reg(W15_1710_GPIO40);
448         if (omap_request_gpio(40) < 0) {
449                 printk("Error requesting gpio 40 for smc91x irq\n");
450                 return;
451         }
452 }
453
454 void h3_init_irq(void)
455 {
456         omap1_init_common_hw();
457         omap_init_irq();
458         omap_gpio_init();
459         h3_init_smc91x();
460 }
461
462 static void __init h3_map_io(void)
463 {
464         omap1_map_common_io();
465 }
466
467 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
468         /* Maintainer: Texas Instruments, Inc. */
469         .phys_io        = 0xfff00000,
470         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
471         .boot_params    = 0x10000100,
472         .map_io         = h3_map_io,
473         .init_irq       = h3_init_irq,
474         .init_machine   = h3_init,
475         .timer          = &omap_timer,
476 MACHINE_END