Merge branch 'linus' into sched/clock
[linux-2.6] / 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
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/input.h>
30 #include <linux/i2c/tps65010.h>
31
32 #include <mach/hardware.h>
33 #include <asm/gpio.h>
34
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/flash.h>
38 #include <asm/mach/map.h>
39
40 #include <mach/gpio-switch.h>
41 #include <mach/mux.h>
42 #include <mach/tc.h>
43 #include <mach/nand.h>
44 #include <mach/irda.h>
45 #include <mach/usb.h>
46 #include <mach/keypad.h>
47 #include <mach/common.h>
48 #include <mach/mcbsp.h>
49 #include <mach/omap-alsa.h>
50
51 static int h2_keymap[] = {
52         KEY(0, 0, KEY_LEFT),
53         KEY(0, 1, KEY_RIGHT),
54         KEY(0, 2, KEY_3),
55         KEY(0, 3, KEY_F10),
56         KEY(0, 4, KEY_F5),
57         KEY(0, 5, KEY_9),
58         KEY(1, 0, KEY_DOWN),
59         KEY(1, 1, KEY_UP),
60         KEY(1, 2, KEY_2),
61         KEY(1, 3, KEY_F9),
62         KEY(1, 4, KEY_F7),
63         KEY(1, 5, KEY_0),
64         KEY(2, 0, KEY_ENTER),
65         KEY(2, 1, KEY_6),
66         KEY(2, 2, KEY_1),
67         KEY(2, 3, KEY_F2),
68         KEY(2, 4, KEY_F6),
69         KEY(2, 5, KEY_HOME),
70         KEY(3, 0, KEY_8),
71         KEY(3, 1, KEY_5),
72         KEY(3, 2, KEY_F12),
73         KEY(3, 3, KEY_F3),
74         KEY(3, 4, KEY_F8),
75         KEY(3, 5, KEY_END),
76         KEY(4, 0, KEY_7),
77         KEY(4, 1, KEY_4),
78         KEY(4, 2, KEY_F11),
79         KEY(4, 3, KEY_F1),
80         KEY(4, 4, KEY_F4),
81         KEY(4, 5, KEY_ESC),
82         KEY(5, 0, KEY_F13),
83         KEY(5, 1, KEY_F14),
84         KEY(5, 2, KEY_F15),
85         KEY(5, 3, KEY_F16),
86         KEY(5, 4, KEY_SLEEP),
87         0
88 };
89
90 static struct mtd_partition h2_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 h2_nor_data = {
122         .map_name       = "cfi_probe",
123         .width          = 2,
124         .parts          = h2_nor_partitions,
125         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
126 };
127
128 static struct resource h2_nor_resource = {
129         /* This is on CS3, wherever it's mapped */
130         .flags          = IORESOURCE_MEM,
131 };
132
133 static struct platform_device h2_nor_device = {
134         .name           = "omapflash",
135         .id             = 0,
136         .dev            = {
137                 .platform_data  = &h2_nor_data,
138         },
139         .num_resources  = 1,
140         .resource       = &h2_nor_resource,
141 };
142
143 static struct mtd_partition h2_nand_partitions[] = {
144 #if 0
145         /* REVISIT:  enable these partitions if you make NAND BOOT
146          * work on your H2 (rev C or newer); published versions of
147          * x-load only support P2 and H3.
148          */
149         {
150                 .name           = "xloader",
151                 .offset         = 0,
152                 .size           = 64 * 1024,
153                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
154         },
155         {
156                 .name           = "bootloader",
157                 .offset         = MTDPART_OFS_APPEND,
158                 .size           = 256 * 1024,
159                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
160         },
161         {
162                 .name           = "params",
163                 .offset         = MTDPART_OFS_APPEND,
164                 .size           = 192 * 1024,
165         },
166         {
167                 .name           = "kernel",
168                 .offset         = MTDPART_OFS_APPEND,
169                 .size           = 2 * SZ_1M,
170         },
171 #endif
172         {
173                 .name           = "filesystem",
174                 .size           = MTDPART_SIZ_FULL,
175                 .offset         = MTDPART_OFS_APPEND,
176         },
177 };
178
179 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
180 static struct omap_nand_platform_data h2_nand_data = {
181         .options        = NAND_SAMSUNG_LP_OPTIONS,
182         .parts          = h2_nand_partitions,
183         .nr_parts       = ARRAY_SIZE(h2_nand_partitions),
184 };
185
186 static struct resource h2_nand_resource = {
187         .flags          = IORESOURCE_MEM,
188 };
189
190 static struct platform_device h2_nand_device = {
191         .name           = "omapnand",
192         .id             = 0,
193         .dev            = {
194                 .platform_data  = &h2_nand_data,
195         },
196         .num_resources  = 1,
197         .resource       = &h2_nand_resource,
198 };
199
200 static struct resource h2_smc91x_resources[] = {
201         [0] = {
202                 .start  = OMAP1610_ETHR_START,          /* Physical */
203                 .end    = OMAP1610_ETHR_START + 0xf,
204                 .flags  = IORESOURCE_MEM,
205         },
206         [1] = {
207                 .start  = OMAP_GPIO_IRQ(0),
208                 .end    = OMAP_GPIO_IRQ(0),
209                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
210         },
211 };
212
213 static struct platform_device h2_smc91x_device = {
214         .name           = "smc91x",
215         .id             = 0,
216         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
217         .resource       = h2_smc91x_resources,
218 };
219
220 static struct resource h2_kp_resources[] = {
221         [0] = {
222                 .start  = INT_KEYBOARD,
223                 .end    = INT_KEYBOARD,
224                 .flags  = IORESOURCE_IRQ,
225         },
226 };
227
228 static struct omap_kp_platform_data h2_kp_data = {
229         .rows           = 8,
230         .cols           = 8,
231         .keymap         = h2_keymap,
232         .keymapsize     = ARRAY_SIZE(h2_keymap),
233         .rep            = 1,
234         .delay          = 9,
235         .dbounce        = 1,
236 };
237
238 static struct platform_device h2_kp_device = {
239         .name           = "omap-keypad",
240         .id             = -1,
241         .dev            = {
242                 .platform_data = &h2_kp_data,
243         },
244         .num_resources  = ARRAY_SIZE(h2_kp_resources),
245         .resource       = h2_kp_resources,
246 };
247
248 #define H2_IRDA_FIRSEL_GPIO_PIN 17
249
250 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
251 static int h2_transceiver_mode(struct device *dev, int state)
252 {
253         if (state & IR_SIRMODE)
254                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
255         else    /* MIR/FIR */
256                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
257
258         return 0;
259 }
260 #endif
261
262 static struct omap_irda_config h2_irda_data = {
263         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
264         .rx_channel             = OMAP_DMA_UART3_RX,
265         .tx_channel             = OMAP_DMA_UART3_TX,
266         .dest_start             = UART3_THR,
267         .src_start              = UART3_RHR,
268         .tx_trigger             = 0,
269         .rx_trigger             = 0,
270 };
271
272 static struct resource h2_irda_resources[] = {
273         [0] = {
274                 .start  = INT_UART3,
275                 .end    = INT_UART3,
276                 .flags  = IORESOURCE_IRQ,
277         },
278 };
279
280 static u64 irda_dmamask = 0xffffffff;
281
282 static struct platform_device h2_irda_device = {
283         .name           = "omapirda",
284         .id             = 0,
285         .dev            = {
286                 .platform_data  = &h2_irda_data,
287                 .dma_mask       = &irda_dmamask,
288         },
289         .num_resources  = ARRAY_SIZE(h2_irda_resources),
290         .resource       = h2_irda_resources,
291 };
292
293 static struct platform_device h2_lcd_device = {
294         .name           = "lcd_h2",
295         .id             = -1,
296 };
297
298 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
299         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
300         .spcr1 = RINTM(3) | RRST,
301         .rcr2  = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
302                 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
303         .rcr1  = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
304         .xcr2  = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
305                 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
306         .xcr1  = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
307         .srgr1 = FWID(15),
308         .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
309
310         .pcr0  = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
311         /*.pcr0 = CLKXP | CLKRP,*/        /* mcbsp: slave */
312 };
313
314 static struct omap_alsa_codec_config alsa_config = {
315         .name                   = "H2 TSC2101",
316         .mcbsp_regs_alsa        = &mcbsp_regs,
317         .codec_configure_dev    = NULL, /* tsc2101_configure, */
318         .codec_set_samplerate   = NULL, /* tsc2101_set_samplerate, */
319         .codec_clock_setup      = NULL, /* tsc2101_clock_setup, */
320         .codec_clock_on         = NULL, /* tsc2101_clock_on, */
321         .codec_clock_off        = NULL, /* tsc2101_clock_off, */
322         .get_default_samplerate = NULL, /* tsc2101_get_default_samplerate, */
323 };
324
325 static struct platform_device h2_mcbsp1_device = {
326         .name   = "omap_alsa_mcbsp",
327         .id     = 1,
328         .dev = {
329                 .platform_data  = &alsa_config,
330         },
331 };
332
333 static struct platform_device *h2_devices[] __initdata = {
334         &h2_nor_device,
335         &h2_nand_device,
336         &h2_smc91x_device,
337         &h2_irda_device,
338         &h2_kp_device,
339         &h2_lcd_device,
340         &h2_mcbsp1_device,
341 };
342
343 static void __init h2_init_smc91x(void)
344 {
345         if ((omap_request_gpio(0)) < 0) {
346                 printk("Error requesting gpio 0 for smc91x irq\n");
347                 return;
348         }
349 }
350
351 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
352         {
353                 I2C_BOARD_INFO("tps65010", 0x48),
354                 .irq            = OMAP_GPIO_IRQ(58),
355         }, {
356                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
357                 .irq            = OMAP_GPIO_IRQ(2),
358         },
359 };
360
361 static void __init h2_init_irq(void)
362 {
363         omap1_init_common_hw();
364         omap_init_irq();
365         omap_gpio_init();
366         h2_init_smc91x();
367 }
368
369 static struct omap_usb_config h2_usb_config __initdata = {
370         /* usb1 has a Mini-AB port and external isp1301 transceiver */
371         .otg            = 2,
372
373 #ifdef  CONFIG_USB_GADGET_OMAP
374         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
375         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
376 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
377         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
378         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
379 #endif
380
381         .pins[1]        = 3,
382 };
383
384 static struct omap_mmc_config h2_mmc_config __initdata = {
385         .mmc[0] = {
386                 .enabled        = 1,
387                 .wire4          = 1,
388         },
389 };
390
391 extern struct omap_mmc_platform_data h2_mmc_data;
392
393 static struct omap_uart_config h2_uart_config __initdata = {
394         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
395 };
396
397 static struct omap_lcd_config h2_lcd_config __initdata = {
398         .ctrl_name      = "internal",
399 };
400
401 static struct omap_board_config_kernel h2_config[] __initdata = {
402         { OMAP_TAG_USB,         &h2_usb_config },
403         { OMAP_TAG_MMC,         &h2_mmc_config },
404         { OMAP_TAG_UART,        &h2_uart_config },
405         { OMAP_TAG_LCD,         &h2_lcd_config },
406 };
407
408 #define H2_NAND_RB_GPIO_PIN     62
409
410 static int h2_nand_dev_ready(struct omap_nand_platform_data *data)
411 {
412         return omap_get_gpio_datain(H2_NAND_RB_GPIO_PIN);
413 }
414
415 static void __init h2_init(void)
416 {
417         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
418          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
419          * notice whether a NAND chip is enabled at probe time.
420          *
421          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
422          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
423          * detecting that in code here, to avoid probing every possible flash
424          * configuration...
425          */
426         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
427         h2_nor_resource.end += SZ_32M - 1;
428
429         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
430         h2_nand_resource.end += SZ_4K - 1;
431         if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN)))
432                 h2_nand_data.dev_ready = h2_nand_dev_ready;
433
434         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
435         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
436
437         /* MMC:  card detect and WP */
438         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
439         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
440
441         /* Irda */
442 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
443         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
444         if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
445                 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
446                 h2_irda_data.transceiver_mode = h2_transceiver_mode;
447         }
448 #endif
449
450         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
451         omap_board_config = h2_config;
452         omap_board_config_size = ARRAY_SIZE(h2_config);
453         omap_serial_init();
454         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
455                               ARRAY_SIZE(h2_i2c_board_info));
456         h2_mmc_init();
457 }
458
459 static void __init h2_map_io(void)
460 {
461         omap1_map_common_io();
462 }
463
464 MACHINE_START(OMAP_H2, "TI-H2")
465         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
466         .phys_io        = 0xfff00000,
467         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
468         .boot_params    = 0x10000100,
469         .map_io         = h2_map_io,
470         .init_irq       = h2_init_irq,
471         .init_machine   = h2_init,
472         .timer          = &omap_timer,
473 MACHINE_END