376f7f29ef77391fc8de34c9cb8bb6264abdef09
[muen/linux.git] / arch / arm / mach-omap1 / board-h2.c
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 #include <linux/platform_data/gpio-omap.h>
35 #include <linux/leds.h>
36
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40
41 #include <mach/mux.h>
42 #include <plat/dma.h>
43 #include <plat/tc.h>
44 #include <mach/irda.h>
45 #include <linux/platform_data/keypad-omap.h>
46 #include <mach/flash.h>
47
48 #include <mach/hardware.h>
49 #include <mach/usb.h>
50
51 #include "common.h"
52 #include "board-h2.h"
53
54 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
55 #define OMAP1610_ETHR_START             0x04000300
56
57 static const unsigned int h2_keymap[] = {
58         KEY(0, 0, KEY_LEFT),
59         KEY(1, 0, KEY_RIGHT),
60         KEY(2, 0, KEY_3),
61         KEY(3, 0, KEY_F10),
62         KEY(4, 0, KEY_F5),
63         KEY(5, 0, KEY_9),
64         KEY(0, 1, KEY_DOWN),
65         KEY(1, 1, KEY_UP),
66         KEY(2, 1, KEY_2),
67         KEY(3, 1, KEY_F9),
68         KEY(4, 1, KEY_F7),
69         KEY(5, 1, KEY_0),
70         KEY(0, 2, KEY_ENTER),
71         KEY(1, 2, KEY_6),
72         KEY(2, 2, KEY_1),
73         KEY(3, 2, KEY_F2),
74         KEY(4, 2, KEY_F6),
75         KEY(5, 2, KEY_HOME),
76         KEY(0, 3, KEY_8),
77         KEY(1, 3, KEY_5),
78         KEY(2, 3, KEY_F12),
79         KEY(3, 3, KEY_F3),
80         KEY(4, 3, KEY_F8),
81         KEY(5, 3, KEY_END),
82         KEY(0, 4, KEY_7),
83         KEY(1, 4, KEY_4),
84         KEY(2, 4, KEY_F11),
85         KEY(3, 4, KEY_F1),
86         KEY(4, 4, KEY_F4),
87         KEY(5, 4, KEY_ESC),
88         KEY(0, 5, KEY_F13),
89         KEY(1, 5, KEY_F14),
90         KEY(2, 5, KEY_F15),
91         KEY(3, 5, KEY_F16),
92         KEY(4, 5, KEY_SLEEP),
93 };
94
95 static struct mtd_partition h2_nor_partitions[] = {
96         /* bootloader (U-Boot, etc) in first sector */
97         {
98               .name             = "bootloader",
99               .offset           = 0,
100               .size             = SZ_128K,
101               .mask_flags       = MTD_WRITEABLE, /* force read-only */
102         },
103         /* bootloader params in the next sector */
104         {
105               .name             = "params",
106               .offset           = MTDPART_OFS_APPEND,
107               .size             = SZ_128K,
108               .mask_flags       = 0,
109         },
110         /* kernel */
111         {
112               .name             = "kernel",
113               .offset           = MTDPART_OFS_APPEND,
114               .size             = SZ_2M,
115               .mask_flags       = 0
116         },
117         /* file system */
118         {
119               .name             = "filesystem",
120               .offset           = MTDPART_OFS_APPEND,
121               .size             = MTDPART_SIZ_FULL,
122               .mask_flags       = 0
123         }
124 };
125
126 static struct physmap_flash_data h2_nor_data = {
127         .width          = 2,
128         .set_vpp        = omap1_set_vpp,
129         .parts          = h2_nor_partitions,
130         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
131 };
132
133 static struct resource h2_nor_resource = {
134         /* This is on CS3, wherever it's mapped */
135         .flags          = IORESOURCE_MEM,
136 };
137
138 static struct platform_device h2_nor_device = {
139         .name           = "physmap-flash",
140         .id             = 0,
141         .dev            = {
142                 .platform_data  = &h2_nor_data,
143         },
144         .num_resources  = 1,
145         .resource       = &h2_nor_resource,
146 };
147
148 static struct mtd_partition h2_nand_partitions[] = {
149 #if 0
150         /* REVISIT:  enable these partitions if you make NAND BOOT
151          * work on your H2 (rev C or newer); published versions of
152          * x-load only support P2 and H3.
153          */
154         {
155                 .name           = "xloader",
156                 .offset         = 0,
157                 .size           = 64 * 1024,
158                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
159         },
160         {
161                 .name           = "bootloader",
162                 .offset         = MTDPART_OFS_APPEND,
163                 .size           = 256 * 1024,
164                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
165         },
166         {
167                 .name           = "params",
168                 .offset         = MTDPART_OFS_APPEND,
169                 .size           = 192 * 1024,
170         },
171         {
172                 .name           = "kernel",
173                 .offset         = MTDPART_OFS_APPEND,
174                 .size           = 2 * SZ_1M,
175         },
176 #endif
177         {
178                 .name           = "filesystem",
179                 .size           = MTDPART_SIZ_FULL,
180                 .offset         = MTDPART_OFS_APPEND,
181         },
182 };
183
184 #define H2_NAND_RB_GPIO_PIN     62
185
186 static int h2_nand_dev_ready(struct mtd_info *mtd)
187 {
188         return gpio_get_value(H2_NAND_RB_GPIO_PIN);
189 }
190
191 static struct platform_nand_data h2_nand_platdata = {
192         .chip   = {
193                 .nr_chips               = 1,
194                 .chip_offset            = 0,
195                 .nr_partitions          = ARRAY_SIZE(h2_nand_partitions),
196                 .partitions             = h2_nand_partitions,
197                 .options                = NAND_SAMSUNG_LP_OPTIONS,
198         },
199         .ctrl   = {
200                 .cmd_ctrl       = omap1_nand_cmd_ctl,
201                 .dev_ready      = h2_nand_dev_ready,
202         },
203 };
204
205 static struct resource h2_nand_resource = {
206         .flags          = IORESOURCE_MEM,
207 };
208
209 static struct platform_device h2_nand_device = {
210         .name           = "gen_nand",
211         .id             = 0,
212         .dev            = {
213                 .platform_data  = &h2_nand_platdata,
214         },
215         .num_resources  = 1,
216         .resource       = &h2_nand_resource,
217 };
218
219 static struct smc91x_platdata h2_smc91x_info = {
220         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
221         .leda   = RPC_LED_100_10,
222         .ledb   = RPC_LED_TX_RX,
223 };
224
225 static struct resource h2_smc91x_resources[] = {
226         [0] = {
227                 .start  = OMAP1610_ETHR_START,          /* Physical */
228                 .end    = OMAP1610_ETHR_START + 0xf,
229                 .flags  = IORESOURCE_MEM,
230         },
231         [1] = {
232                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
233         },
234 };
235
236 static struct platform_device h2_smc91x_device = {
237         .name           = "smc91x",
238         .id             = 0,
239         .dev    = {
240                 .platform_data  = &h2_smc91x_info,
241         },
242         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
243         .resource       = h2_smc91x_resources,
244 };
245
246 static struct resource h2_kp_resources[] = {
247         [0] = {
248                 .start  = INT_KEYBOARD,
249                 .end    = INT_KEYBOARD,
250                 .flags  = IORESOURCE_IRQ,
251         },
252 };
253
254 static const struct matrix_keymap_data h2_keymap_data = {
255         .keymap         = h2_keymap,
256         .keymap_size    = ARRAY_SIZE(h2_keymap),
257 };
258
259 static struct omap_kp_platform_data h2_kp_data = {
260         .rows           = 8,
261         .cols           = 8,
262         .keymap_data    = &h2_keymap_data,
263         .rep            = true,
264         .delay          = 9,
265         .dbounce        = true,
266 };
267
268 static struct platform_device h2_kp_device = {
269         .name           = "omap-keypad",
270         .id             = -1,
271         .dev            = {
272                 .platform_data = &h2_kp_data,
273         },
274         .num_resources  = ARRAY_SIZE(h2_kp_resources),
275         .resource       = h2_kp_resources,
276 };
277
278 #define H2_IRDA_FIRSEL_GPIO_PIN 17
279
280 static struct omap_irda_config h2_irda_data = {
281         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
282         .rx_channel             = OMAP_DMA_UART3_RX,
283         .tx_channel             = OMAP_DMA_UART3_TX,
284         .dest_start             = UART3_THR,
285         .src_start              = UART3_RHR,
286         .tx_trigger             = 0,
287         .rx_trigger             = 0,
288 };
289
290 static struct resource h2_irda_resources[] = {
291         [0] = {
292                 .start  = INT_UART3,
293                 .end    = INT_UART3,
294                 .flags  = IORESOURCE_IRQ,
295         },
296 };
297
298 static u64 irda_dmamask = 0xffffffff;
299
300 static struct platform_device h2_irda_device = {
301         .name           = "omapirda",
302         .id             = 0,
303         .dev            = {
304                 .platform_data  = &h2_irda_data,
305                 .dma_mask       = &irda_dmamask,
306         },
307         .num_resources  = ARRAY_SIZE(h2_irda_resources),
308         .resource       = h2_irda_resources,
309 };
310
311 static struct gpio_led h2_gpio_led_pins[] = {
312         {
313                 .name           = "h2:red",
314                 .default_trigger = "heartbeat",
315                 .gpio           = 3,
316         },
317         {
318                 .name           = "h2:green",
319                 .default_trigger = "cpu0",
320                 .gpio           = OMAP_MPUIO(4),
321         },
322 };
323
324 static struct gpio_led_platform_data h2_gpio_led_data = {
325         .leds           = h2_gpio_led_pins,
326         .num_leds       = ARRAY_SIZE(h2_gpio_led_pins),
327 };
328
329 static struct platform_device h2_gpio_leds = {
330         .name   = "leds-gpio",
331         .id     = -1,
332         .dev    = {
333                 .platform_data = &h2_gpio_led_data,
334         },
335 };
336
337 static struct platform_device *h2_devices[] __initdata = {
338         &h2_nor_device,
339         &h2_nand_device,
340         &h2_smc91x_device,
341         &h2_irda_device,
342         &h2_kp_device,
343         &h2_gpio_leds,
344 };
345
346 static void __init h2_init_smc91x(void)
347 {
348         if (gpio_request(0, "SMC91x irq") < 0) {
349                 printk("Error requesting gpio 0 for smc91x irq\n");
350                 return;
351         }
352 }
353
354 static int tps_setup(struct i2c_client *client, void *context)
355 {
356         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
357                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
358
359         return 0;
360 }
361
362 static struct tps65010_board tps_board = {
363         .base           = H2_TPS_GPIO_BASE,
364         .outmask        = 0x0f,
365         .setup          = tps_setup,
366 };
367
368 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
369         {
370                 I2C_BOARD_INFO("tps65010", 0x48),
371                 .platform_data  = &tps_board,
372         }, {
373                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
374         },
375 };
376
377 static struct omap_usb_config h2_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         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
384 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
385         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
386         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
387 #endif
388
389         .pins[1]        = 3,
390 };
391
392 static struct omap_lcd_config h2_lcd_config __initdata = {
393         .ctrl_name      = "internal",
394 };
395
396 static void __init h2_init(void)
397 {
398         h2_init_smc91x();
399
400         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
401          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
402          * notice whether a NAND chip is enabled at probe time.
403          *
404          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
405          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
406          * detecting that in code here, to avoid probing every possible flash
407          * configuration...
408          */
409         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
410         h2_nor_resource.end += SZ_32M - 1;
411
412         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
413         h2_nand_resource.end += SZ_4K - 1;
414         if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
415                 BUG();
416         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
417
418         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
419         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
420
421         /* MMC:  card detect and WP */
422         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
423         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
424
425         /* Mux pins for keypad */
426         omap_cfg_reg(F18_1610_KBC0);
427         omap_cfg_reg(D20_1610_KBC1);
428         omap_cfg_reg(D19_1610_KBC2);
429         omap_cfg_reg(E18_1610_KBC3);
430         omap_cfg_reg(C21_1610_KBC4);
431         omap_cfg_reg(G18_1610_KBR0);
432         omap_cfg_reg(F19_1610_KBR1);
433         omap_cfg_reg(H14_1610_KBR2);
434         omap_cfg_reg(E20_1610_KBR3);
435         omap_cfg_reg(E19_1610_KBR4);
436         omap_cfg_reg(N19_1610_KBR5);
437
438         /* GPIO based LEDs */
439         omap_cfg_reg(P18_1610_GPIO3);
440         omap_cfg_reg(MPUIO4);
441
442         h2_smc91x_resources[1].start = gpio_to_irq(0);
443         h2_smc91x_resources[1].end = gpio_to_irq(0);
444         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
445         omap_serial_init();
446         h2_i2c_board_info[0].irq = gpio_to_irq(58);
447         h2_i2c_board_info[1].irq = gpio_to_irq(2);
448         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
449                               ARRAY_SIZE(h2_i2c_board_info));
450         omap1_usb_init(&h2_usb_config);
451         h2_mmc_init();
452
453         omapfb_set_lcd_config(&h2_lcd_config);
454 }
455
456 MACHINE_START(OMAP_H2, "TI-H2")
457         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
458         .atag_offset    = 0x100,
459         .map_io         = omap16xx_map_io,
460         .init_early     = omap1_init_early,
461         .reserve        = omap_reserve,
462         .init_irq       = omap1_init_irq,
463         .init_machine   = h2_init,
464         .init_late      = omap1_init_late,
465         .timer          = &omap1_timer,
466         .restart        = omap1_restart,
467 MACHINE_END