Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6.git] / 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/i2c.h>
25 #include <linux/mtd/mtd.h>
26 #include <linux/mtd/nand.h>
27 #include <linux/mtd/partitions.h>
28 #include <linux/input.h>
29 #include <linux/spi/spi.h>
30 #include <linux/i2c/tps65010.h>
31
32 #include <asm/setup.h>
33 #include <asm/page.h>
34 #include <mach/hardware.h>
35 #include <asm/gpio.h>
36
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/flash.h>
40 #include <asm/mach/map.h>
41
42 #include <mach/irqs.h>
43 #include <mach/mux.h>
44 #include <mach/tc.h>
45 #include <mach/nand.h>
46 #include <mach/usb.h>
47 #include <mach/keypad.h>
48 #include <mach/dma.h>
49 #include <mach/common.h>
50
51 #include "board-h3.h"
52
53 /* In OMAP1710 H3 the Ethernet is directly connected to CS1 */
54 #define OMAP1710_ETHR_START             0x04000300
55
56 #define H3_TS_GPIO      48
57
58 static int h3_keymap[] = {
59         KEY(0, 0, KEY_LEFT),
60         KEY(0, 1, KEY_RIGHT),
61         KEY(0, 2, KEY_3),
62         KEY(0, 3, KEY_F10),
63         KEY(0, 4, KEY_F5),
64         KEY(0, 5, KEY_9),
65         KEY(1, 0, KEY_DOWN),
66         KEY(1, 1, KEY_UP),
67         KEY(1, 2, KEY_2),
68         KEY(1, 3, KEY_F9),
69         KEY(1, 4, KEY_F7),
70         KEY(1, 5, KEY_0),
71         KEY(2, 0, KEY_ENTER),
72         KEY(2, 1, KEY_6),
73         KEY(2, 2, KEY_1),
74         KEY(2, 3, KEY_F2),
75         KEY(2, 4, KEY_F6),
76         KEY(2, 5, KEY_HOME),
77         KEY(3, 0, KEY_8),
78         KEY(3, 1, KEY_5),
79         KEY(3, 2, KEY_F12),
80         KEY(3, 3, KEY_F3),
81         KEY(3, 4, KEY_F8),
82         KEY(3, 5, KEY_END),
83         KEY(4, 0, KEY_7),
84         KEY(4, 1, KEY_4),
85         KEY(4, 2, KEY_F11),
86         KEY(4, 3, KEY_F1),
87         KEY(4, 4, KEY_F4),
88         KEY(4, 5, KEY_ESC),
89         KEY(5, 0, KEY_F13),
90         KEY(5, 1, KEY_F14),
91         KEY(5, 2, KEY_F15),
92         KEY(5, 3, KEY_F16),
93         KEY(5, 4, KEY_SLEEP),
94         0
95 };
96
97
98 static struct mtd_partition nor_partitions[] = {
99         /* bootloader (U-Boot, etc) in first sector */
100         {
101               .name             = "bootloader",
102               .offset           = 0,
103               .size             = SZ_128K,
104               .mask_flags       = MTD_WRITEABLE, /* force read-only */
105         },
106         /* bootloader params in the next sector */
107         {
108               .name             = "params",
109               .offset           = MTDPART_OFS_APPEND,
110               .size             = SZ_128K,
111               .mask_flags       = 0,
112         },
113         /* kernel */
114         {
115               .name             = "kernel",
116               .offset           = MTDPART_OFS_APPEND,
117               .size             = SZ_2M,
118               .mask_flags       = 0
119         },
120         /* file system */
121         {
122               .name             = "filesystem",
123               .offset           = MTDPART_OFS_APPEND,
124               .size             = MTDPART_SIZ_FULL,
125               .mask_flags       = 0
126         }
127 };
128
129 static struct flash_platform_data nor_data = {
130         .map_name       = "cfi_probe",
131         .width          = 2,
132         .parts          = nor_partitions,
133         .nr_parts       = ARRAY_SIZE(nor_partitions),
134 };
135
136 static struct resource nor_resource = {
137         /* This is on CS3, wherever it's mapped */
138         .flags          = IORESOURCE_MEM,
139 };
140
141 static struct platform_device nor_device = {
142         .name           = "omapflash",
143         .id             = 0,
144         .dev            = {
145                 .platform_data  = &nor_data,
146         },
147         .num_resources  = 1,
148         .resource       = &nor_resource,
149 };
150
151 static struct mtd_partition nand_partitions[] = {
152 #if 0
153         /* REVISIT: enable these partitions if you make NAND BOOT work */
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 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
185 static struct omap_nand_platform_data nand_data = {
186         .options        = NAND_SAMSUNG_LP_OPTIONS,
187         .parts          = nand_partitions,
188         .nr_parts       = ARRAY_SIZE(nand_partitions),
189 };
190
191 static struct resource nand_resource = {
192         .flags          = IORESOURCE_MEM,
193 };
194
195 static struct platform_device nand_device = {
196         .name           = "omapnand",
197         .id             = 0,
198         .dev            = {
199                 .platform_data  = &nand_data,
200         },
201         .num_resources  = 1,
202         .resource       = &nand_resource,
203 };
204
205 static struct resource smc91x_resources[] = {
206         [0] = {
207                 .start  = OMAP1710_ETHR_START,          /* Physical */
208                 .end    = OMAP1710_ETHR_START + 0xf,
209                 .flags  = IORESOURCE_MEM,
210         },
211         [1] = {
212                 .start  = OMAP_GPIO_IRQ(40),
213                 .end    = OMAP_GPIO_IRQ(40),
214                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
215         },
216 };
217
218 static struct platform_device smc91x_device = {
219         .name           = "smc91x",
220         .id             = 0,
221         .num_resources  = ARRAY_SIZE(smc91x_resources),
222         .resource       = smc91x_resources,
223 };
224
225 #define GPTIMER_BASE            0xFFFB1400
226 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
227 #define GPTIMER_REGS_SIZE       0x46
228
229 static struct resource intlat_resources[] = {
230         [0] = {
231                 .start  = GPTIMER_REGS(0),            /* Physical */
232                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
233                 .flags  = IORESOURCE_MEM,
234         },
235         [1] = {
236                 .start  = INT_1610_GPTIMER1,
237                 .end    = INT_1610_GPTIMER1,
238                 .flags  = IORESOURCE_IRQ,
239         },
240 };
241
242 static struct platform_device intlat_device = {
243         .name      = "omap_intlat",
244         .id          = 0,
245         .num_resources  = ARRAY_SIZE(intlat_resources),
246         .resource       = intlat_resources,
247 };
248
249 static struct resource h3_kp_resources[] = {
250         [0] = {
251                 .start  = INT_KEYBOARD,
252                 .end    = INT_KEYBOARD,
253                 .flags  = IORESOURCE_IRQ,
254         },
255 };
256
257 static struct omap_kp_platform_data h3_kp_data = {
258         .rows           = 8,
259         .cols           = 8,
260         .keymap         = h3_keymap,
261         .keymapsize     = ARRAY_SIZE(h3_keymap),
262         .rep            = 1,
263         .delay          = 9,
264         .dbounce        = 1,
265 };
266
267 static struct platform_device h3_kp_device = {
268         .name           = "omap-keypad",
269         .id             = -1,
270         .dev            = {
271                 .platform_data = &h3_kp_data,
272         },
273         .num_resources  = ARRAY_SIZE(h3_kp_resources),
274         .resource       = h3_kp_resources,
275 };
276
277 static struct platform_device h3_lcd_device = {
278         .name           = "lcd_h3",
279         .id             = -1,
280 };
281
282 static struct spi_board_info h3_spi_board_info[] __initdata = {
283         [0] = {
284                 .modalias       = "tsc2101",
285                 .bus_num        = 2,
286                 .chip_select    = 0,
287                 .irq            = OMAP_GPIO_IRQ(H3_TS_GPIO),
288                 .max_speed_hz   = 16000000,
289                 /* .platform_data       = &tsc_platform_data, */
290         },
291 };
292
293 static struct platform_device *devices[] __initdata = {
294         &nor_device,
295         &nand_device,
296         &smc91x_device,
297         &intlat_device,
298         &h3_kp_device,
299         &h3_lcd_device,
300 };
301
302 static struct omap_usb_config h3_usb_config __initdata = {
303         /* usb1 has a Mini-AB port and external isp1301 transceiver */
304         .otg        = 2,
305
306 #ifdef CONFIG_USB_GADGET_OMAP
307         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
308 #elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
309         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
310         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
311 #endif
312
313         .pins[1]        = 3,
314 };
315
316 static struct omap_lcd_config h3_lcd_config __initdata = {
317         .ctrl_name      = "internal",
318 };
319
320 static struct omap_board_config_kernel h3_config[] __initdata = {
321         { OMAP_TAG_LCD,         &h3_lcd_config },
322 };
323
324 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
325        {
326                 I2C_BOARD_INFO("tps65013", 0x48),
327                /* .irq         = OMAP_GPIO_IRQ(??), */
328        },
329         {
330                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
331                 .irq            = OMAP_GPIO_IRQ(14),
332         },
333 };
334
335 #define H3_NAND_RB_GPIO_PIN     10
336
337 static int nand_dev_ready(struct omap_nand_platform_data *data)
338 {
339         return gpio_get_value(H3_NAND_RB_GPIO_PIN);
340 }
341
342 static void __init h3_init(void)
343 {
344         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
345          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
346          * notice whether a NAND chip is enabled at probe time.
347          *
348          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
349          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
350          * to avoid probing every possible flash configuration...
351          */
352         nor_resource.end = nor_resource.start = omap_cs3_phys();
353         nor_resource.end += SZ_32M - 1;
354
355         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
356         nand_resource.end += SZ_4K - 1;
357         if (gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0)
358                 BUG();
359         nand_data.dev_ready = nand_dev_ready;
360
361         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
362         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
363         omap_cfg_reg(V2_1710_GPIO10);
364
365         platform_add_devices(devices, ARRAY_SIZE(devices));
366         spi_register_board_info(h3_spi_board_info,
367                                 ARRAY_SIZE(h3_spi_board_info));
368         omap_board_config = h3_config;
369         omap_board_config_size = ARRAY_SIZE(h3_config);
370         omap_serial_init();
371         omap_register_i2c_bus(1, 100, h3_i2c_board_info,
372                               ARRAY_SIZE(h3_i2c_board_info));
373         omap_usb_init(&h3_usb_config);
374         h3_mmc_init();
375 }
376
377 static void __init h3_init_smc91x(void)
378 {
379         omap_cfg_reg(W15_1710_GPIO40);
380         if (gpio_request(40, "SMC91x irq") < 0) {
381                 printk("Error requesting gpio 40 for smc91x irq\n");
382                 return;
383         }
384 }
385
386 static void __init h3_init_irq(void)
387 {
388         omap1_init_common_hw();
389         omap_init_irq();
390         omap_gpio_init();
391         h3_init_smc91x();
392 }
393
394 static void __init h3_map_io(void)
395 {
396         omap1_map_common_io();
397 }
398
399 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
400         /* Maintainer: Texas Instruments, Inc. */
401         .phys_io        = 0xfff00000,
402         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
403         .boot_params    = 0x10000100,
404         .map_io         = h3_map_io,
405         .init_irq       = h3_init_irq,
406         .init_machine   = h3_init,
407         .timer          = &omap_timer,
408 MACHINE_END