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 <asm/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 <asm/arch/gpio-switch.h>
41 #include <asm/arch/mux.h>
42 #include <asm/arch/tc.h>
43 #include <asm/arch/nand.h>
44 #include <asm/arch/irda.h>
45 #include <asm/arch/usb.h>
46 #include <asm/arch/keypad.h>
47 #include <asm/arch/common.h>
48 #include <asm/arch/mcbsp.h>
49 #include <asm/arch/omap-alsa.h>
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 static struct mtd_partition h2_nand_partitions[] = {
144 #if 0
145 /* REVISIT: enable these partitions if you make NAND BOOT
146 * work on your H2 (rev C or newer); published versions of
147 * x-load only support P2 and H3.
148 */
149 {
150 .name = "xloader",
151 .offset = 0,
152 .size = 64 * 1024,
153 .mask_flags = MTD_WRITEABLE, /* force read-only */
154 },
155 {
156 .name = "bootloader",
157 .offset = MTDPART_OFS_APPEND,
158 .size = 256 * 1024,
159 .mask_flags = MTD_WRITEABLE, /* force read-only */
160 },
161 {
162 .name = "params",
163 .offset = MTDPART_OFS_APPEND,
164 .size = 192 * 1024,
165 },
166 {
167 .name = "kernel",
168 .offset = MTDPART_OFS_APPEND,
169 .size = 2 * SZ_1M,
170 },
171 #endif
172 {
173 .name = "filesystem",
174 .size = MTDPART_SIZ_FULL,
175 .offset = MTDPART_OFS_APPEND,
176 },
177 };
178
179 /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
180 static struct omap_nand_platform_data h2_nand_data = {
181 .options = NAND_SAMSUNG_LP_OPTIONS,
182 .parts = h2_nand_partitions,
183 .nr_parts = ARRAY_SIZE(h2_nand_partitions),
184 };
185
186 static struct resource h2_nand_resource = {
187 .flags = IORESOURCE_MEM,
188 };
189
190 static struct platform_device h2_nand_device = {
191 .name = "omapnand",
192 .id = 0,
193 .dev = {
194 .platform_data = &h2_nand_data,
195 },
196 .num_resources = 1,
197 .resource = &h2_nand_resource,
198 };
199
200 static struct resource h2_smc91x_resources[] = {
201 [0] = {
202 .start = OMAP1610_ETHR_START, /* Physical */
203 .end = OMAP1610_ETHR_START + 0xf,
204 .flags = IORESOURCE_MEM,
205 },
206 [1] = {
207 .start = OMAP_GPIO_IRQ(0),
208 .end = OMAP_GPIO_IRQ(0),
209 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
210 },
211 };
212
213 static struct platform_device h2_smc91x_device = {
214 .name = "smc91x",
215 .id = 0,
216 .num_resources = ARRAY_SIZE(h2_smc91x_resources),
217 .resource = h2_smc91x_resources,
218 };
219
220 static struct resource h2_kp_resources[] = {
221 [0] = {
222 .start = INT_KEYBOARD,
223 .end = INT_KEYBOARD,
224 .flags = IORESOURCE_IRQ,
225 },
226 };
227
228 static struct omap_kp_platform_data h2_kp_data = {
229 .rows = 8,
230 .cols = 8,
231 .keymap = h2_keymap,
232 .keymapsize = ARRAY_SIZE(h2_keymap),
233 .rep = 1,
234 .delay = 9,
235 .dbounce = 1,
236 };
237
238 static struct platform_device h2_kp_device = {
239 .name = "omap-keypad",
240 .id = -1,
241 .dev = {
242 .platform_data = &h2_kp_data,
243 },
244 .num_resources = ARRAY_SIZE(h2_kp_resources),
245 .resource = h2_kp_resources,
246 };
247
248 #define H2_IRDA_FIRSEL_GPIO_PIN 17
249
250 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
251 static int h2_transceiver_mode(struct device *dev, int state)
252 {
253 if (state & IR_SIRMODE)
254 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
255 else /* MIR/FIR */
256 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
257
258 return 0;
259 }
260 #endif
261
262 static struct omap_irda_config h2_irda_data = {
263 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
264 .rx_channel = OMAP_DMA_UART3_RX,
265 .tx_channel = OMAP_DMA_UART3_TX,
266 .dest_start = UART3_THR,
267 .src_start = UART3_RHR,
268 .tx_trigger = 0,
269 .rx_trigger = 0,
270 };
271
272 static struct resource h2_irda_resources[] = {
273 [0] = {
274 .start = INT_UART3,
275 .end = INT_UART3,
276 .flags = IORESOURCE_IRQ,
277 },
278 };
279
280 static u64 irda_dmamask = 0xffffffff;
281
282 static struct platform_device h2_irda_device = {
283 .name = "omapirda",
284 .id = 0,
285 .dev = {
286 .platform_data = &h2_irda_data,
287 .dma_mask = &irda_dmamask,
288 },
289 .num_resources = ARRAY_SIZE(h2_irda_resources),
290 .resource = h2_irda_resources,
291 };
292
293 static struct platform_device h2_lcd_device = {
294 .name = "lcd_h2",
295 .id = -1,
296 };
297
298 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
299 .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
300 .spcr1 = RINTM(3) | RRST,
301 .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
302 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
303 .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
304 .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
305 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
306 .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
307 .srgr1 = FWID(15),
308 .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
309
310 .pcr0 = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
311 /*.pcr0 = CLKXP | CLKRP,*/ /* mcbsp: slave */
312 };
313
314 static struct omap_alsa_codec_config alsa_config = {
315 .name = "H2 TSC2101",
316 .mcbsp_regs_alsa = &mcbsp_regs,
317 .codec_configure_dev = NULL, /* tsc2101_configure, */
318 .codec_set_samplerate = NULL, /* tsc2101_set_samplerate, */
319 .codec_clock_setup = NULL, /* tsc2101_clock_setup, */
320 .codec_clock_on = NULL, /* tsc2101_clock_on, */
321 .codec_clock_off = NULL, /* tsc2101_clock_off, */
322 .get_default_samplerate = NULL, /* tsc2101_get_default_samplerate, */
323 };
324
325 static struct platform_device h2_mcbsp1_device = {
326 .name = "omap_alsa_mcbsp",
327 .id = 1,
328 .dev = {
329 .platform_data = &alsa_config,
330 },
331 };
332
333 static struct platform_device *h2_devices[] __initdata = {
334 &h2_nor_device,
335 &h2_nand_device,
336 &h2_smc91x_device,
337 &h2_irda_device,
338 &h2_kp_device,
339 &h2_lcd_device,
340 &h2_mcbsp1_device,
341 };
342
343 static void __init h2_init_smc91x(void)
344 {
345 if ((omap_request_gpio(0)) < 0) {
346 printk("Error requesting gpio 0 for smc91x irq\n");
347 return;
348 }
349 }
350
351 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
352 {
353 I2C_BOARD_INFO("tps65010", 0x48),
354 .type = "tps65010",
355 .irq = OMAP_GPIO_IRQ(58),
356 }, {
357 I2C_BOARD_INFO("isp1301_omap", 0x2d),
358 .type = "isp1301_omap",
359 .irq = OMAP_GPIO_IRQ(2),
360 },
361 };
362
363 static void __init h2_init_irq(void)
364 {
365 omap1_init_common_hw();
366 omap_init_irq();
367 omap_gpio_init();
368 h2_init_smc91x();
369 }
370
371 static struct omap_usb_config h2_usb_config __initdata = {
372 /* usb1 has a Mini-AB port and external isp1301 transceiver */
373 .otg = 2,
374
375 #ifdef CONFIG_USB_GADGET_OMAP
376 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
377 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
378 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
379 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
380 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
381 #endif
382
383 .pins[1] = 3,
384 };
385
386 static struct omap_mmc_config h2_mmc_config __initdata = {
387 .mmc[0] = {
388 .enabled = 1,
389 .wire4 = 1,
390 },
391 };
392
393 extern struct omap_mmc_platform_data h2_mmc_data;
394
395 static struct omap_uart_config h2_uart_config __initdata = {
396 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
397 };
398
399 static struct omap_lcd_config h2_lcd_config __initdata = {
400 .ctrl_name = "internal",
401 };
402
403 static struct omap_board_config_kernel h2_config[] __initdata = {
404 { OMAP_TAG_USB, &h2_usb_config },
405 { OMAP_TAG_MMC, &h2_mmc_config },
406 { OMAP_TAG_UART, &h2_uart_config },
407 { OMAP_TAG_LCD, &h2_lcd_config },
408 };
409
410 #define H2_NAND_RB_GPIO_PIN 62
411
412 static int h2_nand_dev_ready(struct omap_nand_platform_data *data)
413 {
414 return omap_get_gpio_datain(H2_NAND_RB_GPIO_PIN);
415 }
416
417 static void __init h2_init(void)
418 {
419 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
420 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
421 * notice whether a NAND chip is enabled at probe time.
422 *
423 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
424 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
425 * detecting that in code here, to avoid probing every possible flash
426 * configuration...
427 */
428 h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
429 h2_nor_resource.end += SZ_32M - 1;
430
431 h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
432 h2_nand_resource.end += SZ_4K - 1;
433 if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN)))
434 h2_nand_data.dev_ready = h2_nand_dev_ready;
435
436 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
437 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
438
439 /* MMC: card detect and WP */
440 /* omap_cfg_reg(U19_ARMIO1); */ /* CD */
441 omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */
442
443 /* Irda */
444 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
445 omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
446 if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
447 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
448 h2_irda_data.transceiver_mode = h2_transceiver_mode;
449 }
450 #endif
451
452 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
453 omap_board_config = h2_config;
454 omap_board_config_size = ARRAY_SIZE(h2_config);
455 omap_serial_init();
456 omap_register_i2c_bus(1, 100, h2_i2c_board_info,
457 ARRAY_SIZE(h2_i2c_board_info));
458 h2_mmc_init();
459 }
460
461 static void __init h2_map_io(void)
462 {
463 omap1_map_common_io();
464 }
465
466 MACHINE_START(OMAP_H2, "TI-H2")
467 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
468 .phys_io = 0xfff00000,
469 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
470 .boot_params = 0x10000100,
471 .map_io = h2_map_io,
472 .init_irq = h2_init_irq,
473 .init_machine = h2_init,
474 .timer = &omap_timer,
475 MACHINE_END
476
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