Merge branch 'topic/hwdep-cleanup' into topic/hdsp
[linux-2.6] / arch / arm / mach-omap1 / board-innovator.c
1 /*
2  * linux/arch/arm/mach-omap1/board-innovator.c
3  *
4  * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
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  * This program is free software; you can redistribute it and/or modify
15  * it under the terms of the GNU General Public License version 2 as
16  * published by the Free Software Foundation.
17  */
18
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/platform_device.h>
22 #include <linux/delay.h>
23 #include <linux/mtd/mtd.h>
24 #include <linux/mtd/partitions.h>
25 #include <linux/input.h>
26
27 #include <mach/hardware.h>
28 #include <asm/mach-types.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/flash.h>
31 #include <asm/mach/map.h>
32
33 #include <mach/mux.h>
34 #include <mach/fpga.h>
35 #include <mach/gpio.h>
36 #include <mach/tc.h>
37 #include <mach/usb.h>
38 #include <mach/keypad.h>
39 #include <mach/common.h>
40 #include <mach/mmc.h>
41
42 static int innovator_keymap[] = {
43         KEY(0, 0, KEY_F1),
44         KEY(0, 3, KEY_DOWN),
45         KEY(1, 1, KEY_F2),
46         KEY(1, 2, KEY_RIGHT),
47         KEY(2, 0, KEY_F3),
48         KEY(2, 1, KEY_F4),
49         KEY(2, 2, KEY_UP),
50         KEY(3, 2, KEY_ENTER),
51         KEY(3, 3, KEY_LEFT),
52         0
53 };
54
55 static struct mtd_partition innovator_partitions[] = {
56         /* bootloader (U-Boot, etc) in first sector */
57         {
58               .name             = "bootloader",
59               .offset           = 0,
60               .size             = SZ_128K,
61               .mask_flags       = MTD_WRITEABLE, /* force read-only */
62         },
63         /* bootloader params in the next sector */
64         {
65               .name             = "params",
66               .offset           = MTDPART_OFS_APPEND,
67               .size             = SZ_128K,
68               .mask_flags       = 0,
69         },
70         /* kernel */
71         {
72               .name             = "kernel",
73               .offset           = MTDPART_OFS_APPEND,
74               .size             = SZ_2M,
75               .mask_flags       = 0
76         },
77         /* rest of flash1 is a file system */
78         {
79               .name             = "rootfs",
80               .offset           = MTDPART_OFS_APPEND,
81               .size             = SZ_16M - SZ_2M - 2 * SZ_128K,
82               .mask_flags       = 0
83         },
84         /* file system */
85         {
86               .name             = "filesystem",
87               .offset           = MTDPART_OFS_APPEND,
88               .size             = MTDPART_SIZ_FULL,
89               .mask_flags       = 0
90         }
91 };
92
93 static struct flash_platform_data innovator_flash_data = {
94         .map_name       = "cfi_probe",
95         .width          = 2,
96         .parts          = innovator_partitions,
97         .nr_parts       = ARRAY_SIZE(innovator_partitions),
98 };
99
100 static struct resource innovator_flash_resource = {
101         .start          = OMAP_CS0_PHYS,
102         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
103         .flags          = IORESOURCE_MEM,
104 };
105
106 static struct platform_device innovator_flash_device = {
107         .name           = "omapflash",
108         .id             = 0,
109         .dev            = {
110                 .platform_data  = &innovator_flash_data,
111         },
112         .num_resources  = 1,
113         .resource       = &innovator_flash_resource,
114 };
115
116 static struct resource innovator_kp_resources[] = {
117         [0] = {
118                 .start  = INT_KEYBOARD,
119                 .end    = INT_KEYBOARD,
120                 .flags  = IORESOURCE_IRQ,
121         },
122 };
123
124 static struct omap_kp_platform_data innovator_kp_data = {
125         .rows           = 8,
126         .cols           = 8,
127         .keymap         = innovator_keymap,
128         .keymapsize     = ARRAY_SIZE(innovator_keymap),
129         .delay          = 4,
130 };
131
132 static struct platform_device innovator_kp_device = {
133         .name           = "omap-keypad",
134         .id             = -1,
135         .dev            = {
136                 .platform_data = &innovator_kp_data,
137         },
138         .num_resources  = ARRAY_SIZE(innovator_kp_resources),
139         .resource       = innovator_kp_resources,
140 };
141
142
143 #ifdef CONFIG_ARCH_OMAP15XX
144
145 #include <linux/spi/spi.h>
146 #include <linux/spi/ads7846.h>
147
148
149 /* Only FPGA needs to be mapped here. All others are done with ioremap */
150 static struct map_desc innovator1510_io_desc[] __initdata = {
151         {
152                 .virtual        = OMAP1510_FPGA_BASE,
153                 .pfn            = __phys_to_pfn(OMAP1510_FPGA_START),
154                 .length         = OMAP1510_FPGA_SIZE,
155                 .type           = MT_DEVICE
156         }
157 };
158
159 static struct resource innovator1510_smc91x_resources[] = {
160         [0] = {
161                 .start  = OMAP1510_FPGA_ETHR_START,     /* Physical */
162                 .end    = OMAP1510_FPGA_ETHR_START + 0xf,
163                 .flags  = IORESOURCE_MEM,
164         },
165         [1] = {
166                 .start  = OMAP1510_INT_ETHER,
167                 .end    = OMAP1510_INT_ETHER,
168                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
169         },
170 };
171
172 static struct platform_device innovator1510_smc91x_device = {
173         .name           = "smc91x",
174         .id             = 0,
175         .num_resources  = ARRAY_SIZE(innovator1510_smc91x_resources),
176         .resource       = innovator1510_smc91x_resources,
177 };
178
179 static struct platform_device innovator1510_lcd_device = {
180         .name           = "lcd_inn1510",
181         .id             = -1,
182 };
183
184 static struct platform_device innovator1510_spi_device = {
185         .name           = "spi_inn1510",
186         .id             = -1,
187 };
188
189 static struct platform_device *innovator1510_devices[] __initdata = {
190         &innovator_flash_device,
191         &innovator1510_smc91x_device,
192         &innovator_kp_device,
193         &innovator1510_lcd_device,
194         &innovator1510_spi_device,
195 };
196
197 static int innovator_get_pendown_state(void)
198 {
199         return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
200 }
201
202 static const struct ads7846_platform_data innovator1510_ts_info = {
203         .model                  = 7846,
204         .vref_delay_usecs       = 100,  /* internal, no capacitor */
205         .x_plate_ohms           = 419,
206         .y_plate_ohms           = 486,
207         .get_pendown_state      = innovator_get_pendown_state,
208 };
209
210 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
211         /* FPGA (bus "10") CS0 has an ads7846e */
212         .modalias               = "ads7846",
213         .platform_data          = &innovator1510_ts_info,
214         .irq                    = OMAP1510_INT_FPGA_TS,
215         .max_speed_hz           = 120000 /* max sample rate at 3V */
216                                         * 26 /* command + data + overhead */,
217         .bus_num                = 10,
218         .chip_select            = 0,
219 } };
220
221 #endif /* CONFIG_ARCH_OMAP15XX */
222
223 #ifdef CONFIG_ARCH_OMAP16XX
224
225 static struct resource innovator1610_smc91x_resources[] = {
226         [0] = {
227                 .start  = INNOVATOR1610_ETHR_START,             /* Physical */
228                 .end    = INNOVATOR1610_ETHR_START + 0xf,
229                 .flags  = IORESOURCE_MEM,
230         },
231         [1] = {
232                 .start  = OMAP_GPIO_IRQ(0),
233                 .end    = OMAP_GPIO_IRQ(0),
234                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
235         },
236 };
237
238 static struct platform_device innovator1610_smc91x_device = {
239         .name           = "smc91x",
240         .id             = 0,
241         .num_resources  = ARRAY_SIZE(innovator1610_smc91x_resources),
242         .resource       = innovator1610_smc91x_resources,
243 };
244
245 static struct platform_device innovator1610_lcd_device = {
246         .name           = "inn1610_lcd",
247         .id             = -1,
248 };
249
250 static struct platform_device *innovator1610_devices[] __initdata = {
251         &innovator_flash_device,
252         &innovator1610_smc91x_device,
253         &innovator_kp_device,
254         &innovator1610_lcd_device,
255 };
256
257 #endif /* CONFIG_ARCH_OMAP16XX */
258
259 static void __init innovator_init_smc91x(void)
260 {
261         if (cpu_is_omap1510()) {
262                 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
263                            OMAP1510_FPGA_RST);
264                 udelay(750);
265         } else {
266                 if (gpio_request(0, "SMC91x irq") < 0) {
267                         printk("Error requesting gpio 0 for smc91x irq\n");
268                         return;
269                 }
270         }
271 }
272
273 static void __init innovator_init_irq(void)
274 {
275         omap1_init_common_hw();
276         omap_init_irq();
277         omap_gpio_init();
278 #ifdef CONFIG_ARCH_OMAP15XX
279         if (cpu_is_omap1510()) {
280                 omap1510_fpga_init_irq();
281         }
282 #endif
283         innovator_init_smc91x();
284 }
285
286 #ifdef CONFIG_ARCH_OMAP15XX
287 static struct omap_usb_config innovator1510_usb_config __initdata = {
288         /* for bundled non-standard host and peripheral cables */
289         .hmc_mode       = 4,
290
291         .register_host  = 1,
292         .pins[1]        = 6,
293         .pins[2]        = 6,            /* Conflicts with UART2 */
294
295         .register_dev   = 1,
296         .pins[0]        = 2,
297 };
298
299 static struct omap_lcd_config innovator1510_lcd_config __initdata = {
300         .ctrl_name      = "internal",
301 };
302 #endif
303
304 #ifdef CONFIG_ARCH_OMAP16XX
305 static struct omap_usb_config h2_usb_config __initdata = {
306         /* usb1 has a Mini-AB port and external isp1301 transceiver */
307         .otg            = 2,
308
309 #ifdef  CONFIG_USB_GADGET_OMAP
310         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
311         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
312 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
313         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
314         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
315 #endif
316
317         .pins[1]        = 3,
318 };
319
320 static struct omap_lcd_config innovator1610_lcd_config __initdata = {
321         .ctrl_name      = "internal",
322 };
323 #endif
324
325 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
326
327 static int mmc_set_power(struct device *dev, int slot, int power_on,
328                                 int vdd)
329 {
330         if (power_on)
331                 fpga_write(fpga_read(OMAP1510_FPGA_POWER) | (1 << 3),
332                                 OMAP1510_FPGA_POWER);
333         else
334                 fpga_write(fpga_read(OMAP1510_FPGA_POWER) & ~(1 << 3),
335                                 OMAP1510_FPGA_POWER);
336
337         return 0;
338 }
339
340 /*
341  * Innovator could use the following functions tested:
342  * - mmc_get_wp that uses OMAP_MPUIO(3)
343  * - mmc_get_cover_state that uses FPGA F4 UIO43
344  */
345 static struct omap_mmc_platform_data mmc1_data = {
346         .nr_slots                       = 1,
347         .slots[0]       = {
348                 .set_power              = mmc_set_power,
349                 .wires                  = 4,
350                 .name                   = "mmcblk",
351         },
352 };
353
354 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
355
356 void __init innovator_mmc_init(void)
357 {
358         mmc_data[0] = &mmc1_data;
359         omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
360 }
361
362 #else
363 static inline void innovator_mmc_init(void)
364 {
365 }
366 #endif
367
368 static struct omap_uart_config innovator_uart_config __initdata = {
369         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
370 };
371
372 static struct omap_board_config_kernel innovator_config[] = {
373         { OMAP_TAG_USB,         NULL },
374         { OMAP_TAG_LCD,         NULL },
375         { OMAP_TAG_UART,        &innovator_uart_config },
376 };
377
378 static void __init innovator_init(void)
379 {
380 #ifdef CONFIG_ARCH_OMAP15XX
381         if (cpu_is_omap1510()) {
382                 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
383                 spi_register_board_info(innovator1510_boardinfo,
384                                 ARRAY_SIZE(innovator1510_boardinfo));
385         }
386 #endif
387 #ifdef CONFIG_ARCH_OMAP16XX
388         if (!cpu_is_omap1510()) {
389                 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
390         }
391 #endif
392
393 #ifdef CONFIG_ARCH_OMAP15XX
394         if (cpu_is_omap1510()) {
395                 innovator_config[0].data = &innovator1510_usb_config;
396                 innovator_config[1].data = &innovator1510_lcd_config;
397         }
398 #endif
399 #ifdef CONFIG_ARCH_OMAP16XX
400         if (cpu_is_omap1610()) {
401                 innovator_config[0].data = &h2_usb_config;
402                 innovator_config[1].data = &innovator1610_lcd_config;
403         }
404 #endif
405         omap_board_config = innovator_config;
406         omap_board_config_size = ARRAY_SIZE(innovator_config);
407         omap_serial_init();
408         omap_register_i2c_bus(1, 100, NULL, 0);
409         innovator_mmc_init();
410 }
411
412 static void __init innovator_map_io(void)
413 {
414         omap1_map_common_io();
415
416 #ifdef CONFIG_ARCH_OMAP15XX
417         if (cpu_is_omap1510()) {
418                 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
419                 udelay(10);     /* Delay needed for FPGA */
420
421                 /* Dump the Innovator FPGA rev early - useful info for support. */
422                 printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
423                        fpga_read(OMAP1510_FPGA_REV_HIGH),
424                        fpga_read(OMAP1510_FPGA_REV_LOW),
425                        fpga_read(OMAP1510_FPGA_BOARD_REV));
426         }
427 #endif
428 }
429
430 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
431         /* Maintainer: MontaVista Software, Inc. */
432         .phys_io        = 0xfff00000,
433         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
434         .boot_params    = 0x10000100,
435         .map_io         = innovator_map_io,
436         .init_irq       = innovator_init_irq,
437         .init_machine   = innovator_init,
438         .timer          = &omap_timer,
439 MACHINE_END