omap: Use separate init_irq functions to avoid cpu_is_omap tests early
[linux-3.10.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/mtd/physmap.h>
30 #include <linux/input.h>
31 #include <linux/i2c/tps65010.h>
32 #include <linux/smc91x.h>
33
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/map.h>
40
41 #include <plat/mux.h>
42 #include <plat/dma.h>
43 #include <plat/tc.h>
44 #include <plat/irda.h>
45 #include <plat/usb.h>
46 #include <plat/keypad.h>
47 #include <plat/common.h>
48 #include <plat/flash.h>
49
50 #include "board-h2.h"
51
52 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
53 #define OMAP1610_ETHR_START             0x04000300
54
55 static const unsigned int h2_keymap[] = {
56         KEY(0, 0, KEY_LEFT),
57         KEY(1, 0, KEY_RIGHT),
58         KEY(2, 0, KEY_3),
59         KEY(3, 0, KEY_F10),
60         KEY(4, 0, KEY_F5),
61         KEY(5, 0, KEY_9),
62         KEY(0, 1, KEY_DOWN),
63         KEY(1, 1, KEY_UP),
64         KEY(2, 1, KEY_2),
65         KEY(3, 1, KEY_F9),
66         KEY(4, 1, KEY_F7),
67         KEY(5, 1, KEY_0),
68         KEY(0, 2, KEY_ENTER),
69         KEY(1, 2, KEY_6),
70         KEY(2, 2, KEY_1),
71         KEY(3, 2, KEY_F2),
72         KEY(4, 2, KEY_F6),
73         KEY(5, 2, KEY_HOME),
74         KEY(0, 3, KEY_8),
75         KEY(1, 3, KEY_5),
76         KEY(2, 3, KEY_F12),
77         KEY(3, 3, KEY_F3),
78         KEY(4, 3, KEY_F8),
79         KEY(5, 3, KEY_END),
80         KEY(0, 4, KEY_7),
81         KEY(1, 4, KEY_4),
82         KEY(2, 4, KEY_F11),
83         KEY(3, 4, KEY_F1),
84         KEY(4, 4, KEY_F4),
85         KEY(5, 4, KEY_ESC),
86         KEY(0, 5, KEY_F13),
87         KEY(1, 5, KEY_F14),
88         KEY(2, 5, KEY_F15),
89         KEY(3, 5, KEY_F16),
90         KEY(4, 5, KEY_SLEEP),
91 };
92
93 static struct mtd_partition h2_nor_partitions[] = {
94         /* bootloader (U-Boot, etc) in first sector */
95         {
96               .name             = "bootloader",
97               .offset           = 0,
98               .size             = SZ_128K,
99               .mask_flags       = MTD_WRITEABLE, /* force read-only */
100         },
101         /* bootloader params in the next sector */
102         {
103               .name             = "params",
104               .offset           = MTDPART_OFS_APPEND,
105               .size             = SZ_128K,
106               .mask_flags       = 0,
107         },
108         /* kernel */
109         {
110               .name             = "kernel",
111               .offset           = MTDPART_OFS_APPEND,
112               .size             = SZ_2M,
113               .mask_flags       = 0
114         },
115         /* file system */
116         {
117               .name             = "filesystem",
118               .offset           = MTDPART_OFS_APPEND,
119               .size             = MTDPART_SIZ_FULL,
120               .mask_flags       = 0
121         }
122 };
123
124 static struct physmap_flash_data h2_nor_data = {
125         .width          = 2,
126         .set_vpp        = omap1_set_vpp,
127         .parts          = h2_nor_partitions,
128         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
129 };
130
131 static struct resource h2_nor_resource = {
132         /* This is on CS3, wherever it's mapped */
133         .flags          = IORESOURCE_MEM,
134 };
135
136 static struct platform_device h2_nor_device = {
137         .name           = "physmap-flash",
138         .id             = 0,
139         .dev            = {
140                 .platform_data  = &h2_nor_data,
141         },
142         .num_resources  = 1,
143         .resource       = &h2_nor_resource,
144 };
145
146 static struct mtd_partition h2_nand_partitions[] = {
147 #if 0
148         /* REVISIT:  enable these partitions if you make NAND BOOT
149          * work on your H2 (rev C or newer); published versions of
150          * x-load only support P2 and H3.
151          */
152         {
153                 .name           = "xloader",
154                 .offset         = 0,
155                 .size           = 64 * 1024,
156                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
157         },
158         {
159                 .name           = "bootloader",
160                 .offset         = MTDPART_OFS_APPEND,
161                 .size           = 256 * 1024,
162                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
163         },
164         {
165                 .name           = "params",
166                 .offset         = MTDPART_OFS_APPEND,
167                 .size           = 192 * 1024,
168         },
169         {
170                 .name           = "kernel",
171                 .offset         = MTDPART_OFS_APPEND,
172                 .size           = 2 * SZ_1M,
173         },
174 #endif
175         {
176                 .name           = "filesystem",
177                 .size           = MTDPART_SIZ_FULL,
178                 .offset         = MTDPART_OFS_APPEND,
179         },
180 };
181
182 static void h2_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
183 {
184         struct nand_chip *this = mtd->priv;
185         unsigned long mask;
186
187         if (cmd == NAND_CMD_NONE)
188                 return;
189
190         mask = (ctrl & NAND_CLE) ? 0x02 : 0;
191         if (ctrl & NAND_ALE)
192                 mask |= 0x04;
193         writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
194 }
195
196 #define H2_NAND_RB_GPIO_PIN     62
197
198 static int h2_nand_dev_ready(struct mtd_info *mtd)
199 {
200         return gpio_get_value(H2_NAND_RB_GPIO_PIN);
201 }
202
203 static const char *h2_part_probes[] = { "cmdlinepart", NULL };
204
205 static struct platform_nand_data h2_nand_platdata = {
206         .chip   = {
207                 .nr_chips               = 1,
208                 .chip_offset            = 0,
209                 .nr_partitions          = ARRAY_SIZE(h2_nand_partitions),
210                 .partitions             = h2_nand_partitions,
211                 .options                = NAND_SAMSUNG_LP_OPTIONS,
212                 .part_probe_types       = h2_part_probes,
213         },
214         .ctrl   = {
215                 .cmd_ctrl       = h2_nand_cmd_ctl,
216                 .dev_ready      = h2_nand_dev_ready,
217
218         },
219 };
220
221 static struct resource h2_nand_resource = {
222         .flags          = IORESOURCE_MEM,
223 };
224
225 static struct platform_device h2_nand_device = {
226         .name           = "gen_nand",
227         .id             = 0,
228         .dev            = {
229                 .platform_data  = &h2_nand_platdata,
230         },
231         .num_resources  = 1,
232         .resource       = &h2_nand_resource,
233 };
234
235 static struct smc91x_platdata h2_smc91x_info = {
236         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
237         .leda   = RPC_LED_100_10,
238         .ledb   = RPC_LED_TX_RX,
239 };
240
241 static struct resource h2_smc91x_resources[] = {
242         [0] = {
243                 .start  = OMAP1610_ETHR_START,          /* Physical */
244                 .end    = OMAP1610_ETHR_START + 0xf,
245                 .flags  = IORESOURCE_MEM,
246         },
247         [1] = {
248                 .start  = OMAP_GPIO_IRQ(0),
249                 .end    = OMAP_GPIO_IRQ(0),
250                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
251         },
252 };
253
254 static struct platform_device h2_smc91x_device = {
255         .name           = "smc91x",
256         .id             = 0,
257         .dev    = {
258                 .platform_data  = &h2_smc91x_info,
259         },
260         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
261         .resource       = h2_smc91x_resources,
262 };
263
264 static struct resource h2_kp_resources[] = {
265         [0] = {
266                 .start  = INT_KEYBOARD,
267                 .end    = INT_KEYBOARD,
268                 .flags  = IORESOURCE_IRQ,
269         },
270 };
271
272 static const struct matrix_keymap_data h2_keymap_data = {
273         .keymap         = h2_keymap,
274         .keymap_size    = ARRAY_SIZE(h2_keymap),
275 };
276
277 static struct omap_kp_platform_data h2_kp_data = {
278         .rows           = 8,
279         .cols           = 8,
280         .keymap_data    = &h2_keymap_data,
281         .rep            = true,
282         .delay          = 9,
283         .dbounce        = true,
284 };
285
286 static struct platform_device h2_kp_device = {
287         .name           = "omap-keypad",
288         .id             = -1,
289         .dev            = {
290                 .platform_data = &h2_kp_data,
291         },
292         .num_resources  = ARRAY_SIZE(h2_kp_resources),
293         .resource       = h2_kp_resources,
294 };
295
296 #define H2_IRDA_FIRSEL_GPIO_PIN 17
297
298 static struct omap_irda_config h2_irda_data = {
299         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
300         .rx_channel             = OMAP_DMA_UART3_RX,
301         .tx_channel             = OMAP_DMA_UART3_TX,
302         .dest_start             = UART3_THR,
303         .src_start              = UART3_RHR,
304         .tx_trigger             = 0,
305         .rx_trigger             = 0,
306 };
307
308 static struct resource h2_irda_resources[] = {
309         [0] = {
310                 .start  = INT_UART3,
311                 .end    = INT_UART3,
312                 .flags  = IORESOURCE_IRQ,
313         },
314 };
315
316 static u64 irda_dmamask = 0xffffffff;
317
318 static struct platform_device h2_irda_device = {
319         .name           = "omapirda",
320         .id             = 0,
321         .dev            = {
322                 .platform_data  = &h2_irda_data,
323                 .dma_mask       = &irda_dmamask,
324         },
325         .num_resources  = ARRAY_SIZE(h2_irda_resources),
326         .resource       = h2_irda_resources,
327 };
328
329 static struct platform_device h2_lcd_device = {
330         .name           = "lcd_h2",
331         .id             = -1,
332 };
333
334 static struct platform_device *h2_devices[] __initdata = {
335         &h2_nor_device,
336         &h2_nand_device,
337         &h2_smc91x_device,
338         &h2_irda_device,
339         &h2_kp_device,
340         &h2_lcd_device,
341 };
342
343 static void __init h2_init_smc91x(void)
344 {
345         if (gpio_request(0, "SMC91x irq") < 0) {
346                 printk("Error requesting gpio 0 for smc91x irq\n");
347                 return;
348         }
349 }
350
351 static int tps_setup(struct i2c_client *client, void *context)
352 {
353         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
354                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
355
356         return 0;
357 }
358
359 static struct tps65010_board tps_board = {
360         .base           = H2_TPS_GPIO_BASE,
361         .outmask        = 0x0f,
362         .setup          = tps_setup,
363 };
364
365 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
366         {
367                 I2C_BOARD_INFO("tps65010", 0x48),
368                 .irq            = OMAP_GPIO_IRQ(58),
369                 .platform_data  = &tps_board,
370         }, {
371                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
372                 .irq            = OMAP_GPIO_IRQ(2),
373         },
374 };
375
376 static void __init h2_init_irq(void)
377 {
378         omap1_init_common_hw();
379         omap1_init_irq();
380 }
381
382 static struct omap_usb_config h2_usb_config __initdata = {
383         /* usb1 has a Mini-AB port and external isp1301 transceiver */
384         .otg            = 2,
385
386 #ifdef  CONFIG_USB_GADGET_OMAP
387         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
388         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
389 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
390         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
391         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
392 #endif
393
394         .pins[1]        = 3,
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_LCD,         &h2_lcd_config },
403 };
404
405 static void __init h2_init(void)
406 {
407         h2_init_smc91x();
408
409         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
410          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
411          * notice whether a NAND chip is enabled at probe time.
412          *
413          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
414          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
415          * detecting that in code here, to avoid probing every possible flash
416          * configuration...
417          */
418         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
419         h2_nor_resource.end += SZ_32M - 1;
420
421         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
422         h2_nand_resource.end += SZ_4K - 1;
423         if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
424                 BUG();
425         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
426
427         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
428         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
429
430         /* MMC:  card detect and WP */
431         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
432         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
433
434         /* Mux pins for keypad */
435         omap_cfg_reg(F18_1610_KBC0);
436         omap_cfg_reg(D20_1610_KBC1);
437         omap_cfg_reg(D19_1610_KBC2);
438         omap_cfg_reg(E18_1610_KBC3);
439         omap_cfg_reg(C21_1610_KBC4);
440         omap_cfg_reg(G18_1610_KBR0);
441         omap_cfg_reg(F19_1610_KBR1);
442         omap_cfg_reg(H14_1610_KBR2);
443         omap_cfg_reg(E20_1610_KBR3);
444         omap_cfg_reg(E19_1610_KBR4);
445         omap_cfg_reg(N19_1610_KBR5);
446
447         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
448         omap_board_config = h2_config;
449         omap_board_config_size = ARRAY_SIZE(h2_config);
450         omap_serial_init();
451         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
452                               ARRAY_SIZE(h2_i2c_board_info));
453         omap1_usb_init(&h2_usb_config);
454         h2_mmc_init();
455 }
456
457 static void __init h2_map_io(void)
458 {
459         omap1_map_common_io();
460 }
461
462 MACHINE_START(OMAP_H2, "TI-H2")
463         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
464         .boot_params    = 0x10000100,
465         .map_io         = h2_map_io,
466         .reserve        = omap_reserve,
467         .init_irq       = h2_init_irq,
468         .init_machine   = h2_init,
469         .timer          = &omap_timer,
470 MACHINE_END