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board-h2.c
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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 <[email protected]>
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 <[email protected]>
13  *
14  * H2 specific changes and cleanup
15  * Copyright (C) 2004 Nokia Corporation by Imre Deak <[email protected]>
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 #include <linux/gpio.h>
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 #include <linux/omapfb.h>
35 #include <linux/leds.h>
36 
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 
41 #include <mach/mux.h>
42 #include <plat/dma.h>
43 #include <plat/tc.h>
44 #include <mach/irda.h>
46 #include <mach/flash.h>
47 
48 #include <mach/hardware.h>
49 #include <mach/usb.h>
50 
51 #include "common.h"
52 #include "board-h2.h"
53 
54 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
55 #define OMAP1610_ETHR_START 0x04000300
56 
57 static const unsigned int h2_keymap[] = {
58  KEY(0, 0, KEY_LEFT),
59  KEY(1, 0, KEY_RIGHT),
60  KEY(2, 0, KEY_3),
61  KEY(3, 0, KEY_F10),
62  KEY(4, 0, KEY_F5),
63  KEY(5, 0, KEY_9),
64  KEY(0, 1, KEY_DOWN),
65  KEY(1, 1, KEY_UP),
66  KEY(2, 1, KEY_2),
67  KEY(3, 1, KEY_F9),
68  KEY(4, 1, KEY_F7),
69  KEY(5, 1, KEY_0),
70  KEY(0, 2, KEY_ENTER),
71  KEY(1, 2, KEY_6),
72  KEY(2, 2, KEY_1),
73  KEY(3, 2, KEY_F2),
74  KEY(4, 2, KEY_F6),
75  KEY(5, 2, KEY_HOME),
76  KEY(0, 3, KEY_8),
77  KEY(1, 3, KEY_5),
78  KEY(2, 3, KEY_F12),
79  KEY(3, 3, KEY_F3),
80  KEY(4, 3, KEY_F8),
81  KEY(5, 3, KEY_END),
82  KEY(0, 4, KEY_7),
83  KEY(1, 4, KEY_4),
84  KEY(2, 4, KEY_F11),
85  KEY(3, 4, KEY_F1),
86  KEY(4, 4, KEY_F4),
87  KEY(5, 4, KEY_ESC),
88  KEY(0, 5, KEY_F13),
89  KEY(1, 5, KEY_F14),
90  KEY(2, 5, KEY_F15),
91  KEY(3, 5, KEY_F16),
92  KEY(4, 5, KEY_SLEEP),
93 };
94 
95 static struct mtd_partition h2_nor_partitions[] = {
96  /* bootloader (U-Boot, etc) in first sector */
97  {
98  .name = "bootloader",
99  .offset = 0,
100  .size = SZ_128K,
101  .mask_flags = MTD_WRITEABLE, /* force read-only */
102  },
103  /* bootloader params in the next sector */
104  {
105  .name = "params",
106  .offset = MTDPART_OFS_APPEND,
107  .size = SZ_128K,
108  .mask_flags = 0,
109  },
110  /* kernel */
111  {
112  .name = "kernel",
113  .offset = MTDPART_OFS_APPEND,
114  .size = SZ_2M,
115  .mask_flags = 0
116  },
117  /* file system */
118  {
119  .name = "filesystem",
120  .offset = MTDPART_OFS_APPEND,
121  .size = MTDPART_SIZ_FULL,
122  .mask_flags = 0
123  }
124 };
125 
126 static struct physmap_flash_data h2_nor_data = {
127  .width = 2,
128  .set_vpp = omap1_set_vpp,
129  .parts = h2_nor_partitions,
130  .nr_parts = ARRAY_SIZE(h2_nor_partitions),
131 };
132 
133 static struct resource h2_nor_resource = {
134  /* This is on CS3, wherever it's mapped */
135  .flags = IORESOURCE_MEM,
136 };
137 
138 static struct platform_device h2_nor_device = {
139  .name = "physmap-flash",
140  .id = 0,
141  .dev = {
142  .platform_data = &h2_nor_data,
143  },
144  .num_resources = 1,
145  .resource = &h2_nor_resource,
146 };
147 
148 static struct mtd_partition h2_nand_partitions[] = {
149 #if 0
150  /* REVISIT: enable these partitions if you make NAND BOOT
151  * work on your H2 (rev C or newer); published versions of
152  * x-load only support P2 and H3.
153  */
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 #define H2_NAND_RB_GPIO_PIN 62
185 
186 static int h2_nand_dev_ready(struct mtd_info *mtd)
187 {
189 }
190 
191 static struct platform_nand_data h2_nand_platdata = {
192  .chip = {
193  .nr_chips = 1,
194  .chip_offset = 0,
195  .nr_partitions = ARRAY_SIZE(h2_nand_partitions),
196  .partitions = h2_nand_partitions,
197  .options = NAND_SAMSUNG_LP_OPTIONS,
198  },
199  .ctrl = {
200  .cmd_ctrl = omap1_nand_cmd_ctl,
201  .dev_ready = h2_nand_dev_ready,
202  },
203 };
204 
205 static struct resource h2_nand_resource = {
206  .flags = IORESOURCE_MEM,
207 };
208 
209 static struct platform_device h2_nand_device = {
210  .name = "gen_nand",
211  .id = 0,
212  .dev = {
213  .platform_data = &h2_nand_platdata,
214  },
215  .num_resources = 1,
216  .resource = &h2_nand_resource,
217 };
218 
219 static struct smc91x_platdata h2_smc91x_info = {
220  .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
221  .leda = RPC_LED_100_10,
222  .ledb = RPC_LED_TX_RX,
223 };
224 
225 static struct resource h2_smc91x_resources[] = {
226  [0] = {
227  .start = OMAP1610_ETHR_START, /* Physical */
228  .end = OMAP1610_ETHR_START + 0xf,
229  .flags = IORESOURCE_MEM,
230  },
231  [1] = {
233  },
234 };
235 
236 static struct platform_device h2_smc91x_device = {
237  .name = "smc91x",
238  .id = 0,
239  .dev = {
240  .platform_data = &h2_smc91x_info,
241  },
242  .num_resources = ARRAY_SIZE(h2_smc91x_resources),
243  .resource = h2_smc91x_resources,
244 };
245 
246 static struct resource h2_kp_resources[] = {
247  [0] = {
248  .start = INT_KEYBOARD,
249  .end = INT_KEYBOARD,
250  .flags = IORESOURCE_IRQ,
251  },
252 };
253 
254 static const struct matrix_keymap_data h2_keymap_data = {
255  .keymap = h2_keymap,
256  .keymap_size = ARRAY_SIZE(h2_keymap),
257 };
258 
259 static struct omap_kp_platform_data h2_kp_data = {
260  .rows = 8,
261  .cols = 8,
262  .keymap_data = &h2_keymap_data,
263  .rep = true,
264  .delay = 9,
265  .dbounce = true,
266 };
267 
268 static struct platform_device h2_kp_device = {
269  .name = "omap-keypad",
270  .id = -1,
271  .dev = {
272  .platform_data = &h2_kp_data,
273  },
274  .num_resources = ARRAY_SIZE(h2_kp_resources),
275  .resource = h2_kp_resources,
276 };
277 
278 #define H2_IRDA_FIRSEL_GPIO_PIN 17
279 
280 static struct omap_irda_config h2_irda_data = {
281  .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
282  .rx_channel = OMAP_DMA_UART3_RX,
283  .tx_channel = OMAP_DMA_UART3_TX,
284  .dest_start = UART3_THR,
285  .src_start = UART3_RHR,
286  .tx_trigger = 0,
287  .rx_trigger = 0,
288 };
289 
290 static struct resource h2_irda_resources[] = {
291  [0] = {
292  .start = INT_UART3,
293  .end = INT_UART3,
294  .flags = IORESOURCE_IRQ,
295  },
296 };
297 
298 static u64 irda_dmamask = 0xffffffff;
299 
300 static struct platform_device h2_irda_device = {
301  .name = "omapirda",
302  .id = 0,
303  .dev = {
304  .platform_data = &h2_irda_data,
305  .dma_mask = &irda_dmamask,
306  },
307  .num_resources = ARRAY_SIZE(h2_irda_resources),
308  .resource = h2_irda_resources,
309 };
310 
311 static struct gpio_led h2_gpio_led_pins[] = {
312  {
313  .name = "h2:red",
314  .default_trigger = "heartbeat",
315  .gpio = 3,
316  },
317  {
318  .name = "h2:green",
319  .default_trigger = "cpu0",
320  .gpio = OMAP_MPUIO(4),
321  },
322 };
323 
324 static struct gpio_led_platform_data h2_gpio_led_data = {
325  .leds = h2_gpio_led_pins,
326  .num_leds = ARRAY_SIZE(h2_gpio_led_pins),
327 };
328 
329 static struct platform_device h2_gpio_leds = {
330  .name = "leds-gpio",
331  .id = -1,
332  .dev = {
333  .platform_data = &h2_gpio_led_data,
334  },
335 };
336 
337 static struct platform_device *h2_devices[] __initdata = {
338  &h2_nor_device,
339  &h2_nand_device,
340  &h2_smc91x_device,
341  &h2_irda_device,
342  &h2_kp_device,
343  &h2_gpio_leds,
344 };
345 
346 static void __init h2_init_smc91x(void)
347 {
348  if (gpio_request(0, "SMC91x irq") < 0) {
349  printk("Error requesting gpio 0 for smc91x irq\n");
350  return;
351  }
352 }
353 
354 static int tps_setup(struct i2c_client *client, void *context)
355 {
358 
359  return 0;
360 }
361 
362 static struct tps65010_board tps_board = {
363  .base = H2_TPS_GPIO_BASE,
364  .outmask = 0x0f,
365  .setup = tps_setup,
366 };
367 
368 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
369  {
370  I2C_BOARD_INFO("tps65010", 0x48),
371  .platform_data = &tps_board,
372  }, {
373  I2C_BOARD_INFO("isp1301_omap", 0x2d),
374  },
375 };
376 
377 static struct omap_usb_config h2_usb_config __initdata = {
378  /* usb1 has a Mini-AB port and external isp1301 transceiver */
379  .otg = 2,
380 
381 #ifdef CONFIG_USB_GADGET_OMAP
382  .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
383  /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
384 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
385  /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
386  .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
387 #endif
388 
389  .pins[1] = 3,
390 };
391 
392 static struct omap_lcd_config h2_lcd_config __initdata = {
393  .ctrl_name = "internal",
394 };
395 
396 static void __init h2_init(void)
397 {
398  h2_init_smc91x();
399 
400  /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
401  * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
402  * notice whether a NAND chip is enabled at probe time.
403  *
404  * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
405  * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
406  * detecting that in code here, to avoid probing every possible flash
407  * configuration...
408  */
409  h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
410  h2_nor_resource.end += SZ_32M - 1;
411 
412  h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
413  h2_nand_resource.end += SZ_4K - 1;
414  if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
415  BUG();
417 
420 
421  /* MMC: card detect and WP */
422  /* omap_cfg_reg(U19_ARMIO1); */ /* CD */
424 
425  /* Mux pins for keypad */
437 
438  /* GPIO based LEDs */
441 
442  h2_smc91x_resources[1].start = gpio_to_irq(0);
443  h2_smc91x_resources[1].end = gpio_to_irq(0);
444  platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
446  h2_i2c_board_info[0].irq = gpio_to_irq(58);
447  h2_i2c_board_info[1].irq = gpio_to_irq(2);
448  omap_register_i2c_bus(1, 100, h2_i2c_board_info,
449  ARRAY_SIZE(h2_i2c_board_info));
450  omap1_usb_init(&h2_usb_config);
451  h2_mmc_init();
452 
453  omapfb_set_lcd_config(&h2_lcd_config);
454 }
455 
456 MACHINE_START(OMAP_H2, "TI-H2")
457  /* Maintainer: Imre Deak <[email protected]> */
458  .atag_offset = 0x100,
459  .map_io = omap16xx_map_io,
460  .init_early = omap1_init_early,
461  .reserve = omap_reserve,
462  .init_irq = omap1_init_irq,
463  .init_machine = h2_init,
464  .init_late = omap1_init_late,
465  .timer = &omap1_timer,
466  .restart = omap1_restart,