Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[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/mux.h>
41 #include <mach/dma.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
49 static int h2_keymap[] = {
50         KEY(0, 0, KEY_LEFT),
51         KEY(0, 1, KEY_RIGHT),
52         KEY(0, 2, KEY_3),
53         KEY(0, 3, KEY_F10),
54         KEY(0, 4, KEY_F5),
55         KEY(0, 5, KEY_9),
56         KEY(1, 0, KEY_DOWN),
57         KEY(1, 1, KEY_UP),
58         KEY(1, 2, KEY_2),
59         KEY(1, 3, KEY_F9),
60         KEY(1, 4, KEY_F7),
61         KEY(1, 5, KEY_0),
62         KEY(2, 0, KEY_ENTER),
63         KEY(2, 1, KEY_6),
64         KEY(2, 2, KEY_1),
65         KEY(2, 3, KEY_F2),
66         KEY(2, 4, KEY_F6),
67         KEY(2, 5, KEY_HOME),
68         KEY(3, 0, KEY_8),
69         KEY(3, 1, KEY_5),
70         KEY(3, 2, KEY_F12),
71         KEY(3, 3, KEY_F3),
72         KEY(3, 4, KEY_F8),
73         KEY(3, 5, KEY_END),
74         KEY(4, 0, KEY_7),
75         KEY(4, 1, KEY_4),
76         KEY(4, 2, KEY_F11),
77         KEY(4, 3, KEY_F1),
78         KEY(4, 4, KEY_F4),
79         KEY(4, 5, KEY_ESC),
80         KEY(5, 0, KEY_F13),
81         KEY(5, 1, KEY_F14),
82         KEY(5, 2, KEY_F15),
83         KEY(5, 3, KEY_F16),
84         KEY(5, 4, KEY_SLEEP),
85         0
86 };
87
88 static struct mtd_partition h2_nor_partitions[] = {
89         /* bootloader (U-Boot, etc) in first sector */
90         {
91               .name             = "bootloader",
92               .offset           = 0,
93               .size             = SZ_128K,
94               .mask_flags       = MTD_WRITEABLE, /* force read-only */
95         },
96         /* bootloader params in the next sector */
97         {
98               .name             = "params",
99               .offset           = MTDPART_OFS_APPEND,
100               .size             = SZ_128K,
101               .mask_flags       = 0,
102         },
103         /* kernel */
104         {
105               .name             = "kernel",
106               .offset           = MTDPART_OFS_APPEND,
107               .size             = SZ_2M,
108               .mask_flags       = 0
109         },
110         /* file system */
111         {
112               .name             = "filesystem",
113               .offset           = MTDPART_OFS_APPEND,
114               .size             = MTDPART_SIZ_FULL,
115               .mask_flags       = 0
116         }
117 };
118
119 static struct flash_platform_data h2_nor_data = {
120         .map_name       = "cfi_probe",
121         .width          = 2,
122         .parts          = h2_nor_partitions,
123         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
124 };
125
126 static struct resource h2_nor_resource = {
127         /* This is on CS3, wherever it's mapped */
128         .flags          = IORESOURCE_MEM,
129 };
130
131 static struct platform_device h2_nor_device = {
132         .name           = "omapflash",
133         .id             = 0,
134         .dev            = {
135                 .platform_data  = &h2_nor_data,
136         },
137         .num_resources  = 1,
138         .resource       = &h2_nor_resource,
139 };
140
141 static struct mtd_partition h2_nand_partitions[] = {
142 #if 0
143         /* REVISIT:  enable these partitions if you make NAND BOOT
144          * work on your H2 (rev C or newer); published versions of
145          * x-load only support P2 and H3.
146          */
147         {
148                 .name           = "xloader",
149                 .offset         = 0,
150                 .size           = 64 * 1024,
151                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
152         },
153         {
154                 .name           = "bootloader",
155                 .offset         = MTDPART_OFS_APPEND,
156                 .size           = 256 * 1024,
157                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
158         },
159         {
160                 .name           = "params",
161                 .offset         = MTDPART_OFS_APPEND,
162                 .size           = 192 * 1024,
163         },
164         {
165                 .name           = "kernel",
166                 .offset         = MTDPART_OFS_APPEND,
167                 .size           = 2 * SZ_1M,
168         },
169 #endif
170         {
171                 .name           = "filesystem",
172                 .size           = MTDPART_SIZ_FULL,
173                 .offset         = MTDPART_OFS_APPEND,
174         },
175 };
176
177 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
178 static struct omap_nand_platform_data h2_nand_data = {
179         .options        = NAND_SAMSUNG_LP_OPTIONS,
180         .parts          = h2_nand_partitions,
181         .nr_parts       = ARRAY_SIZE(h2_nand_partitions),
182 };
183
184 static struct resource h2_nand_resource = {
185         .flags          = IORESOURCE_MEM,
186 };
187
188 static struct platform_device h2_nand_device = {
189         .name           = "omapnand",
190         .id             = 0,
191         .dev            = {
192                 .platform_data  = &h2_nand_data,
193         },
194         .num_resources  = 1,
195         .resource       = &h2_nand_resource,
196 };
197
198 static struct resource h2_smc91x_resources[] = {
199         [0] = {
200                 .start  = OMAP1610_ETHR_START,          /* Physical */
201                 .end    = OMAP1610_ETHR_START + 0xf,
202                 .flags  = IORESOURCE_MEM,
203         },
204         [1] = {
205                 .start  = OMAP_GPIO_IRQ(0),
206                 .end    = OMAP_GPIO_IRQ(0),
207                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
208         },
209 };
210
211 static struct platform_device h2_smc91x_device = {
212         .name           = "smc91x",
213         .id             = 0,
214         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
215         .resource       = h2_smc91x_resources,
216 };
217
218 static struct resource h2_kp_resources[] = {
219         [0] = {
220                 .start  = INT_KEYBOARD,
221                 .end    = INT_KEYBOARD,
222                 .flags  = IORESOURCE_IRQ,
223         },
224 };
225
226 static struct omap_kp_platform_data h2_kp_data = {
227         .rows           = 8,
228         .cols           = 8,
229         .keymap         = h2_keymap,
230         .keymapsize     = ARRAY_SIZE(h2_keymap),
231         .rep            = 1,
232         .delay          = 9,
233         .dbounce        = 1,
234 };
235
236 static struct platform_device h2_kp_device = {
237         .name           = "omap-keypad",
238         .id             = -1,
239         .dev            = {
240                 .platform_data = &h2_kp_data,
241         },
242         .num_resources  = ARRAY_SIZE(h2_kp_resources),
243         .resource       = h2_kp_resources,
244 };
245
246 #define H2_IRDA_FIRSEL_GPIO_PIN 17
247
248 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
249 static int h2_transceiver_mode(struct device *dev, int state)
250 {
251         /* SIR when low, else MIR/FIR when HIGH */
252         gpio_set_value(H2_IRDA_FIRSEL_GPIO_PIN, !(state & IR_SIRMODE));
253         return 0;
254 }
255 #endif
256
257 static struct omap_irda_config h2_irda_data = {
258         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
259         .rx_channel             = OMAP_DMA_UART3_RX,
260         .tx_channel             = OMAP_DMA_UART3_TX,
261         .dest_start             = UART3_THR,
262         .src_start              = UART3_RHR,
263         .tx_trigger             = 0,
264         .rx_trigger             = 0,
265 };
266
267 static struct resource h2_irda_resources[] = {
268         [0] = {
269                 .start  = INT_UART3,
270                 .end    = INT_UART3,
271                 .flags  = IORESOURCE_IRQ,
272         },
273 };
274
275 static u64 irda_dmamask = 0xffffffff;
276
277 static struct platform_device h2_irda_device = {
278         .name           = "omapirda",
279         .id             = 0,
280         .dev            = {
281                 .platform_data  = &h2_irda_data,
282                 .dma_mask       = &irda_dmamask,
283         },
284         .num_resources  = ARRAY_SIZE(h2_irda_resources),
285         .resource       = h2_irda_resources,
286 };
287
288 static struct platform_device h2_lcd_device = {
289         .name           = "lcd_h2",
290         .id             = -1,
291 };
292
293 static struct platform_device *h2_devices[] __initdata = {
294         &h2_nor_device,
295         &h2_nand_device,
296         &h2_smc91x_device,
297         &h2_irda_device,
298         &h2_kp_device,
299         &h2_lcd_device,
300 };
301
302 static void __init h2_init_smc91x(void)
303 {
304         if (gpio_request(0, "SMC91x irq") < 0) {
305                 printk("Error requesting gpio 0 for smc91x irq\n");
306                 return;
307         }
308 }
309
310 static int tps_setup(struct i2c_client *client, void *context)
311 {
312         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
313                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
314
315         return 0;
316 }
317
318 static struct tps65010_board tps_board = {
319         .base           = H2_TPS_GPIO_BASE,
320         .outmask        = 0x0f,
321         .setup          = tps_setup,
322 };
323
324 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
325         {
326                 I2C_BOARD_INFO("tps65010", 0x48),
327                 .irq            = OMAP_GPIO_IRQ(58),
328                 .platform_data  = &tps_board,
329         }, {
330                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
331                 .irq            = OMAP_GPIO_IRQ(2),
332         },
333 };
334
335 static void __init h2_init_irq(void)
336 {
337         omap1_init_common_hw();
338         omap_init_irq();
339         omap_gpio_init();
340         h2_init_smc91x();
341 }
342
343 static struct omap_usb_config h2_usb_config __initdata = {
344         /* usb1 has a Mini-AB port and external isp1301 transceiver */
345         .otg            = 2,
346
347 #ifdef  CONFIG_USB_GADGET_OMAP
348         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
349         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
350 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
351         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
352         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
353 #endif
354
355         .pins[1]        = 3,
356 };
357
358 static struct omap_uart_config h2_uart_config __initdata = {
359         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
360 };
361
362 static struct omap_lcd_config h2_lcd_config __initdata = {
363         .ctrl_name      = "internal",
364 };
365
366 static struct omap_board_config_kernel h2_config[] __initdata = {
367         { OMAP_TAG_USB,         &h2_usb_config },
368         { OMAP_TAG_UART,        &h2_uart_config },
369         { OMAP_TAG_LCD,         &h2_lcd_config },
370 };
371
372 #define H2_NAND_RB_GPIO_PIN     62
373
374 static void __init h2_init(void)
375 {
376         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
377          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
378          * notice whether a NAND chip is enabled at probe time.
379          *
380          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
381          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
382          * detecting that in code here, to avoid probing every possible flash
383          * configuration...
384          */
385         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
386         h2_nor_resource.end += SZ_32M - 1;
387
388         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
389         h2_nand_resource.end += SZ_4K - 1;
390         if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
391                 BUG();
392         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
393
394         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
395         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
396
397         /* MMC:  card detect and WP */
398         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
399         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
400
401         /* Irda */
402 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
403         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
404         if (gpio_request(H2_IRDA_FIRSEL_GPIO_PIN, "IRDA mode") < 0)
405                 BUG();
406         gpio_direction_output(H2_IRDA_FIRSEL_GPIO_PIN, 0);
407         h2_irda_data.transceiver_mode = h2_transceiver_mode;
408 #endif
409
410         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
411         omap_board_config = h2_config;
412         omap_board_config_size = ARRAY_SIZE(h2_config);
413         omap_serial_init();
414         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
415                               ARRAY_SIZE(h2_i2c_board_info));
416         h2_mmc_init();
417 }
418
419 static void __init h2_map_io(void)
420 {
421         omap1_map_common_io();
422 }
423
424 MACHINE_START(OMAP_H2, "TI-H2")
425         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
426         .phys_io        = 0xfff00000,
427         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
428         .boot_params    = 0x10000100,
429         .map_io         = h2_map_io,
430         .init_irq       = h2_init_irq,
431         .init_machine   = h2_init,
432         .timer          = &omap_timer,
433 MACHINE_END