Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
[linux-2.6.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
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
31 #include <asm/hardware.h>
32 #include <asm/gpio.h>
33
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/flash.h>
37 #include <asm/mach/map.h>
38
39 #include <asm/arch/tps65010.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/common.h>
46 #include <asm/arch/mcbsp.h>
47 #include <asm/arch/omap-alsa.h>
48
49 extern int omap_gpio_init(void);
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 #if 0   /* REVISIT: Enable when nand_platform_data is applied */
144
145 static struct mtd_partition h2_nand_partitions[] = {
146 #if 0
147         /* REVISIT:  enable these partitions if you make NAND BOOT
148          * work on your H2 (rev C or newer); published versions of
149          * x-load only support P2 and H3.
150          */
151         {
152                 .name           = "xloader",
153                 .offset         = 0,
154                 .size           = 64 * 1024,
155                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
156         },
157         {
158                 .name           = "bootloader",
159                 .offset         = MTDPART_OFS_APPEND,
160                 .size           = 256 * 1024,
161                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
162         },
163         {
164                 .name           = "params",
165                 .offset         = MTDPART_OFS_APPEND,
166                 .size           = 192 * 1024,
167         },
168         {
169                 .name           = "kernel",
170                 .offset         = MTDPART_OFS_APPEND,
171                 .size           = 2 * SZ_1M,
172         },
173 #endif
174         {
175                 .name           = "filesystem",
176                 .size           = MTDPART_SIZ_FULL,
177                 .offset         = MTDPART_OFS_APPEND,
178         },
179 };
180
181 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
182 static struct nand_platform_data h2_nand_data = {
183         .options        = NAND_SAMSUNG_LP_OPTIONS,
184         .parts          = h2_nand_partitions,
185         .nr_parts       = ARRAY_SIZE(h2_nand_partitions),
186 };
187
188 static struct resource h2_nand_resource = {
189         .flags          = IORESOURCE_MEM,
190 };
191
192 static struct platform_device h2_nand_device = {
193         .name           = "omapnand",
194         .id             = 0,
195         .dev            = {
196                 .platform_data  = &h2_nand_data,
197         },
198         .num_resources  = 1,
199         .resource       = &h2_nand_resource,
200 };
201 #endif
202
203 static struct resource h2_smc91x_resources[] = {
204         [0] = {
205                 .start  = OMAP1610_ETHR_START,          /* Physical */
206                 .end    = OMAP1610_ETHR_START + 0xf,
207                 .flags  = IORESOURCE_MEM,
208         },
209         [1] = {
210                 .start  = OMAP_GPIO_IRQ(0),
211                 .end    = OMAP_GPIO_IRQ(0),
212                 .flags  = IORESOURCE_IRQ,
213         },
214 };
215
216 static struct platform_device h2_smc91x_device = {
217         .name           = "smc91x",
218         .id             = 0,
219         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
220         .resource       = h2_smc91x_resources,
221 };
222
223 static struct resource h2_kp_resources[] = {
224         [0] = {
225                 .start  = INT_KEYBOARD,
226                 .end    = INT_KEYBOARD,
227                 .flags  = IORESOURCE_IRQ,
228         },
229 };
230
231 static struct omap_kp_platform_data h2_kp_data = {
232         .rows           = 8,
233         .cols           = 8,
234         .keymap         = h2_keymap,
235         .keymapsize     = ARRAY_SIZE(h2_keymap),
236         .rep            = 1,
237         .delay          = 9,
238         .dbounce        = 1,
239 };
240
241 static struct platform_device h2_kp_device = {
242         .name           = "omap-keypad",
243         .id             = -1,
244         .dev            = {
245                 .platform_data = &h2_kp_data,
246         },
247         .num_resources  = ARRAY_SIZE(h2_kp_resources),
248         .resource       = h2_kp_resources,
249 };
250
251 #define H2_IRDA_FIRSEL_GPIO_PIN 17
252
253 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
254 static int h2_transceiver_mode(struct device *dev, int state)
255 {
256         if (state & IR_SIRMODE)
257                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
258         else    /* MIR/FIR */
259                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
260
261         return 0;
262 }
263 #endif
264
265 static struct omap_irda_config h2_irda_data = {
266         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
267         .rx_channel             = OMAP_DMA_UART3_RX,
268         .tx_channel             = OMAP_DMA_UART3_TX,
269         .dest_start             = UART3_THR,
270         .src_start              = UART3_RHR,
271         .tx_trigger             = 0,
272         .rx_trigger             = 0,
273 };
274
275 static struct resource h2_irda_resources[] = {
276         [0] = {
277                 .start  = INT_UART3,
278                 .end    = INT_UART3,
279                 .flags  = IORESOURCE_IRQ,
280         },
281 };
282
283 static u64 irda_dmamask = 0xffffffff;
284
285 static struct platform_device h2_irda_device = {
286         .name           = "omapirda",
287         .id             = 0,
288         .dev            = {
289                 .platform_data  = &h2_irda_data,
290                 .dma_mask       = &irda_dmamask,
291         },
292         .num_resources  = ARRAY_SIZE(h2_irda_resources),
293         .resource       = h2_irda_resources,
294 };
295
296 static struct platform_device h2_lcd_device = {
297         .name           = "lcd_h2",
298         .id             = -1,
299 };
300
301 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
302         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
303         .spcr1 = RINTM(3) | RRST,
304         .rcr2  = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
305                 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
306         .rcr1  = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
307         .xcr2  = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
308                 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
309         .xcr1  = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
310         .srgr1 = FWID(15),
311         .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
312
313         .pcr0  = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
314         //.pcr0 = CLKXP | CLKRP,        /* mcbsp: slave */
315 };
316
317 static struct omap_alsa_codec_config alsa_config = {
318         .name                   = "H2 TSC2101",
319         .mcbsp_regs_alsa        = &mcbsp_regs,
320         .codec_configure_dev    = NULL, // tsc2101_configure,
321         .codec_set_samplerate   = NULL, // tsc2101_set_samplerate,
322         .codec_clock_setup      = NULL, // tsc2101_clock_setup,
323         .codec_clock_on         = NULL, // tsc2101_clock_on,
324         .codec_clock_off        = NULL, // tsc2101_clock_off,
325         .get_default_samplerate = NULL, // tsc2101_get_default_samplerate,
326 };
327
328 static struct platform_device h2_mcbsp1_device = {
329         .name   = "omap_alsa_mcbsp",
330         .id     = 1,
331         .dev = {
332                 .platform_data  = &alsa_config,
333         },
334 };
335
336 static struct platform_device *h2_devices[] __initdata = {
337         &h2_nor_device,
338         //&h2_nand_device,
339         &h2_smc91x_device,
340         &h2_irda_device,
341         &h2_kp_device,
342         &h2_lcd_device,
343         &h2_mcbsp1_device,
344 };
345
346 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
347         {
348                 I2C_BOARD_INFO("tps65010", 0x48),
349                 .type           = "tps65010",
350                 .irq            = OMAP_GPIO_IRQ(58),
351         },
352         /* TODO when driver support is ready:
353          *  - isp1301 OTG transceiver
354          *  - optional ov9640 camera sensor at 0x30
355          *  - pcf9754 for aGPS control
356          *  - ... etc
357          */
358 };
359
360 static void __init h2_init_smc91x(void)
361 {
362         if ((omap_request_gpio(0)) < 0) {
363                 printk("Error requesting gpio 0 for smc91x irq\n");
364                 return;
365         }
366 }
367
368 static void __init h2_init_irq(void)
369 {
370         omap1_init_common_hw();
371         omap_init_irq();
372         omap_gpio_init();
373         h2_init_smc91x();
374 }
375
376 static struct omap_usb_config h2_usb_config __initdata = {
377         /* usb1 has a Mini-AB port and external isp1301 transceiver */
378         .otg            = 2,
379
380 #ifdef  CONFIG_USB_GADGET_OMAP
381         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
382         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
383 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
384         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
385         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
386 #endif
387
388         .pins[1]        = 3,
389 };
390
391 static struct omap_mmc_config h2_mmc_config __initdata = {
392         .mmc [0] = {
393                 .enabled        = 1,
394                 .wire4          = 1,
395                 .wp_pin         = OMAP_MPUIO(3),
396                 .power_pin      = -1,   /* tps65010 gpio3 */
397                 .switch_pin     = OMAP_MPUIO(1),
398         },
399 };
400
401 static struct omap_uart_config h2_uart_config __initdata = {
402         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
403 };
404
405 static struct omap_lcd_config h2_lcd_config __initdata = {
406         .ctrl_name      = "internal",
407 };
408
409 static struct omap_board_config_kernel h2_config[] __initdata = {
410         { OMAP_TAG_USB,           &h2_usb_config },
411         { OMAP_TAG_MMC,           &h2_mmc_config },
412         { OMAP_TAG_UART,        &h2_uart_config },
413         { OMAP_TAG_LCD,         &h2_lcd_config },
414 };
415
416 #define H2_NAND_RB_GPIO_PIN     62
417
418 static int h2_nand_dev_ready(struct nand_platform_data *data)
419 {
420         return omap_get_gpio_datain(H2_NAND_RB_GPIO_PIN);
421 }
422
423 static void __init h2_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          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
430          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
431          * detecting that in code here, to avoid probing every possible flash
432          * configuration...
433          */
434         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
435         h2_nor_resource.end += SZ_32M - 1;
436
437 #if 0   /* REVISIT: Enable when nand_platform_data is applied */
438         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
439         h2_nand_resource.end += SZ_4K - 1;
440         if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN)))
441                 h2_nand_data.dev_ready = h2_nand_dev_ready;
442 #endif
443
444         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
445         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
446
447         /* MMC:  card detect and WP */
448         // omap_cfg_reg(U19_ARMIO1);            /* CD */
449         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
450
451         /* Irda */
452 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
453         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
454         if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
455                 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
456                 h2_irda_data.transceiver_mode = h2_transceiver_mode;
457         }
458 #endif
459
460         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
461         omap_board_config = h2_config;
462         omap_board_config_size = ARRAY_SIZE(h2_config);
463         omap_serial_init();
464
465         /* irq for tps65010 chip */
466         omap_cfg_reg(W4_GPIO58);
467         if (gpio_request(58, "tps65010") == 0)
468                 gpio_direction_input(58);
469
470         i2c_register_board_info(1, h2_i2c_board_info,
471                         ARRAY_SIZE(h2_i2c_board_info));
472 }
473
474 static void __init h2_map_io(void)
475 {
476         omap1_map_common_io();
477 }
478
479 #ifdef CONFIG_TPS65010
480 static int __init h2_tps_init(void)
481 {
482         if (!machine_is_omap_h2())
483                 return 0;
484
485         /* gpio3 for SD, gpio4 for VDD_DSP */
486         /* FIXME send power to DSP iff it's configured */
487
488         /* Enable LOW_PWR */
489         tps65010_set_low_pwr(ON);
490         return 0;
491 }
492 fs_initcall(h2_tps_init);
493 #endif
494
495 MACHINE_START(OMAP_H2, "TI-H2")
496         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
497         .phys_io        = 0xfff00000,
498         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
499         .boot_params    = 0x10000100,
500         .map_io         = h2_map_io,
501         .init_irq       = h2_init_irq,
502         .init_machine   = h2_init,
503         .timer          = &omap_timer,
504 MACHINE_END