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 #include <linux/gpio.h>
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/mtd/physmap.h>
29 #include <linux/input.h>
30 #include <linux/spi/spi.h>
31 #include <linux/i2c/tps65010.h>
32 #include <linux/smc91x.h>
33 #include <linux/omapfb.h>
34 #include <linux/platform_data/gpio-omap.h>
35 #include <linux/leds.h>
36
37 #include <asm/setup.h>
38 #include <asm/page.h>
39 #include <asm/mach-types.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
42
43 #include <mach/mux.h>
44 #include <mach/tc.h>
45 #include <linux/platform_data/keypad-omap.h>
46 #include <linux/omap-dma.h>
47 #include <mach/flash.h>
48
49 #include <mach/hardware.h>
50 #include <mach/irqs.h>
51 #include <mach/usb.h>
52
53 #include "common.h"
54 #include "board-h3.h"
55
56 /* In OMAP1710 H3 the Ethernet is directly connected to CS1 */
57 #define OMAP1710_ETHR_START 0x04000300
58
59 #define H3_TS_GPIO 48
60
61 static const unsigned int h3_keymap[] = {
62 KEY(0, 0, KEY_LEFT),
63 KEY(1, 0, KEY_RIGHT),
64 KEY(2, 0, KEY_3),
65 KEY(3, 0, KEY_F10),
66 KEY(4, 0, KEY_F5),
67 KEY(5, 0, KEY_9),
68 KEY(0, 1, KEY_DOWN),
69 KEY(1, 1, KEY_UP),
70 KEY(2, 1, KEY_2),
71 KEY(3, 1, KEY_F9),
72 KEY(4, 1, KEY_F7),
73 KEY(5, 1, KEY_0),
74 KEY(0, 2, KEY_ENTER),
75 KEY(1, 2, KEY_6),
76 KEY(2, 2, KEY_1),
77 KEY(3, 2, KEY_F2),
78 KEY(4, 2, KEY_F6),
79 KEY(5, 2, KEY_HOME),
80 KEY(0, 3, KEY_8),
81 KEY(1, 3, KEY_5),
82 KEY(2, 3, KEY_F12),
83 KEY(3, 3, KEY_F3),
84 KEY(4, 3, KEY_F8),
85 KEY(5, 3, KEY_END),
86 KEY(0, 4, KEY_7),
87 KEY(1, 4, KEY_4),
88 KEY(2, 4, KEY_F11),
89 KEY(3, 4, KEY_F1),
90 KEY(4, 4, KEY_F4),
91 KEY(5, 4, KEY_ESC),
92 KEY(0, 5, KEY_F13),
93 KEY(1, 5, KEY_F14),
94 KEY(2, 5, KEY_F15),
95 KEY(3, 5, KEY_F16),
96 KEY(4, 5, KEY_SLEEP),
97 };
98
99
100 static struct mtd_partition nor_partitions[] = {
101 /* bootloader (U-Boot, etc) in first sector */
102 {
103 .name = "bootloader",
104 .offset = 0,
105 .size = SZ_128K,
106 .mask_flags = MTD_WRITEABLE, /* force read-only */
107 },
108 /* bootloader params in the next sector */
109 {
110 .name = "params",
111 .offset = MTDPART_OFS_APPEND,
112 .size = SZ_128K,
113 .mask_flags = 0,
114 },
115 /* kernel */
116 {
117 .name = "kernel",
118 .offset = MTDPART_OFS_APPEND,
119 .size = SZ_2M,
120 .mask_flags = 0
121 },
122 /* file system */
123 {
124 .name = "filesystem",
125 .offset = MTDPART_OFS_APPEND,
126 .size = MTDPART_SIZ_FULL,
127 .mask_flags = 0
128 }
129 };
130
131 static struct physmap_flash_data nor_data = {
132 .width = 2,
133 .set_vpp = omap1_set_vpp,
134 .parts = nor_partitions,
135 .nr_parts = ARRAY_SIZE(nor_partitions),
136 };
137
138 static struct resource nor_resource = {
139 /* This is on CS3, wherever it's mapped */
140 .flags = IORESOURCE_MEM,
141 };
142
143 static struct platform_device nor_device = {
144 .name = "physmap-flash",
145 .id = 0,
146 .dev = {
147 .platform_data = &nor_data,
148 },
149 .num_resources = 1,
150 .resource = &nor_resource,
151 };
152
153 static struct mtd_partition nand_partitions[] = {
154 #if 0
155 /* REVISIT: enable these partitions if you make NAND BOOT work */
156 {
157 .name = "xloader",
158 .offset = 0,
159 .size = 64 * 1024,
160 .mask_flags = MTD_WRITEABLE, /* force read-only */
161 },
162 {
163 .name = "bootloader",
164 .offset = MTDPART_OFS_APPEND,
165 .size = 256 * 1024,
166 .mask_flags = MTD_WRITEABLE, /* force read-only */
167 },
168 {
169 .name = "params",
170 .offset = MTDPART_OFS_APPEND,
171 .size = 192 * 1024,
172 },
173 {
174 .name = "kernel",
175 .offset = MTDPART_OFS_APPEND,
176 .size = 2 * SZ_1M,
177 },
178 #endif
179 {
180 .name = "filesystem",
181 .size = MTDPART_SIZ_FULL,
182 .offset = MTDPART_OFS_APPEND,
183 },
184 };
185
186 #define H3_NAND_RB_GPIO_PIN 10
187
nand_dev_ready(struct mtd_info * mtd)188 static int nand_dev_ready(struct mtd_info *mtd)
189 {
190 return gpio_get_value(H3_NAND_RB_GPIO_PIN);
191 }
192
193 static struct platform_nand_data nand_platdata = {
194 .chip = {
195 .nr_chips = 1,
196 .chip_offset = 0,
197 .nr_partitions = ARRAY_SIZE(nand_partitions),
198 .partitions = nand_partitions,
199 .options = NAND_SAMSUNG_LP_OPTIONS,
200 },
201 .ctrl = {
202 .cmd_ctrl = omap1_nand_cmd_ctl,
203 .dev_ready = nand_dev_ready,
204
205 },
206 };
207
208 static struct resource nand_resource = {
209 .flags = IORESOURCE_MEM,
210 };
211
212 static struct platform_device nand_device = {
213 .name = "gen_nand",
214 .id = 0,
215 .dev = {
216 .platform_data = &nand_platdata,
217 },
218 .num_resources = 1,
219 .resource = &nand_resource,
220 };
221
222 static struct smc91x_platdata smc91x_info = {
223 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
224 .leda = RPC_LED_100_10,
225 .ledb = RPC_LED_TX_RX,
226 };
227
228 static struct resource smc91x_resources[] = {
229 [0] = {
230 .start = OMAP1710_ETHR_START, /* Physical */
231 .end = OMAP1710_ETHR_START + 0xf,
232 .flags = IORESOURCE_MEM,
233 },
234 [1] = {
235 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
236 },
237 };
238
239 static struct platform_device smc91x_device = {
240 .name = "smc91x",
241 .id = 0,
242 .dev = {
243 .platform_data = &smc91x_info,
244 },
245 .num_resources = ARRAY_SIZE(smc91x_resources),
246 .resource = smc91x_resources,
247 };
248
h3_init_smc91x(void)249 static void __init h3_init_smc91x(void)
250 {
251 omap_cfg_reg(W15_1710_GPIO40);
252 if (gpio_request(40, "SMC91x irq") < 0) {
253 printk("Error requesting gpio 40 for smc91x irq\n");
254 return;
255 }
256 }
257
258 #define GPTIMER_BASE 0xFFFB1400
259 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
260 #define GPTIMER_REGS_SIZE 0x46
261
262 static struct resource intlat_resources[] = {
263 [0] = {
264 .start = GPTIMER_REGS(0), /* Physical */
265 .end = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
266 .flags = IORESOURCE_MEM,
267 },
268 [1] = {
269 .start = INT_1610_GPTIMER1,
270 .end = INT_1610_GPTIMER1,
271 .flags = IORESOURCE_IRQ,
272 },
273 };
274
275 static struct platform_device intlat_device = {
276 .name = "omap_intlat",
277 .id = 0,
278 .num_resources = ARRAY_SIZE(intlat_resources),
279 .resource = intlat_resources,
280 };
281
282 static struct resource h3_kp_resources[] = {
283 [0] = {
284 .start = INT_KEYBOARD,
285 .end = INT_KEYBOARD,
286 .flags = IORESOURCE_IRQ,
287 },
288 };
289
290 static const struct matrix_keymap_data h3_keymap_data = {
291 .keymap = h3_keymap,
292 .keymap_size = ARRAY_SIZE(h3_keymap),
293 };
294
295 static struct omap_kp_platform_data h3_kp_data = {
296 .rows = 8,
297 .cols = 8,
298 .keymap_data = &h3_keymap_data,
299 .rep = true,
300 .delay = 9,
301 .dbounce = true,
302 };
303
304 static struct platform_device h3_kp_device = {
305 .name = "omap-keypad",
306 .id = -1,
307 .dev = {
308 .platform_data = &h3_kp_data,
309 },
310 .num_resources = ARRAY_SIZE(h3_kp_resources),
311 .resource = h3_kp_resources,
312 };
313
314 static struct platform_device h3_lcd_device = {
315 .name = "lcd_h3",
316 .id = -1,
317 };
318
319 static struct spi_board_info h3_spi_board_info[] __initdata = {
320 [0] = {
321 .modalias = "tsc2101",
322 .bus_num = 2,
323 .chip_select = 0,
324 .max_speed_hz = 16000000,
325 /* .platform_data = &tsc_platform_data, */
326 },
327 };
328
329 static struct gpio_led h3_gpio_led_pins[] = {
330 {
331 .name = "h3:red",
332 .default_trigger = "heartbeat",
333 .gpio = 3,
334 },
335 {
336 .name = "h3:green",
337 .default_trigger = "cpu0",
338 .gpio = OMAP_MPUIO(4),
339 },
340 };
341
342 static struct gpio_led_platform_data h3_gpio_led_data = {
343 .leds = h3_gpio_led_pins,
344 .num_leds = ARRAY_SIZE(h3_gpio_led_pins),
345 };
346
347 static struct platform_device h3_gpio_leds = {
348 .name = "leds-gpio",
349 .id = -1,
350 .dev = {
351 .platform_data = &h3_gpio_led_data,
352 },
353 };
354
355 static struct platform_device *devices[] __initdata = {
356 &nor_device,
357 &nand_device,
358 &smc91x_device,
359 &intlat_device,
360 &h3_kp_device,
361 &h3_lcd_device,
362 &h3_gpio_leds,
363 };
364
365 static struct omap_usb_config h3_usb_config __initdata = {
366 /* usb1 has a Mini-AB port and external isp1301 transceiver */
367 .otg = 2,
368
369 #if IS_ENABLED(CONFIG_USB_OMAP)
370 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
371 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
372 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
373 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
374 #endif
375
376 .pins[1] = 3,
377 };
378
379 static struct omap_lcd_config h3_lcd_config __initdata = {
380 .ctrl_name = "internal",
381 };
382
383 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
384 {
385 I2C_BOARD_INFO("tps65013", 0x48),
386 },
387 {
388 I2C_BOARD_INFO("isp1301_omap", 0x2d),
389 },
390 };
391
h3_init(void)392 static void __init h3_init(void)
393 {
394 h3_init_smc91x();
395
396 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
397 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
398 * notice whether a NAND chip is enabled at probe time.
399 *
400 * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
401 * (which on H2 may be 16bit) on CS3. Try detecting that in code here,
402 * to avoid probing every possible flash configuration...
403 */
404 nor_resource.end = nor_resource.start = omap_cs3_phys();
405 nor_resource.end += SZ_32M - 1;
406
407 nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
408 nand_resource.end += SZ_4K - 1;
409 BUG_ON(gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0);
410 gpio_direction_input(H3_NAND_RB_GPIO_PIN);
411
412 /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
413 /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
414 omap_cfg_reg(V2_1710_GPIO10);
415
416 /* Mux pins for keypad */
417 omap_cfg_reg(F18_1610_KBC0);
418 omap_cfg_reg(D20_1610_KBC1);
419 omap_cfg_reg(D19_1610_KBC2);
420 omap_cfg_reg(E18_1610_KBC3);
421 omap_cfg_reg(C21_1610_KBC4);
422 omap_cfg_reg(G18_1610_KBR0);
423 omap_cfg_reg(F19_1610_KBR1);
424 omap_cfg_reg(H14_1610_KBR2);
425 omap_cfg_reg(E20_1610_KBR3);
426 omap_cfg_reg(E19_1610_KBR4);
427 omap_cfg_reg(N19_1610_KBR5);
428
429 /* GPIO based LEDs */
430 omap_cfg_reg(P18_1610_GPIO3);
431 omap_cfg_reg(MPUIO4);
432
433 smc91x_resources[1].start = gpio_to_irq(40);
434 smc91x_resources[1].end = gpio_to_irq(40);
435 platform_add_devices(devices, ARRAY_SIZE(devices));
436 h3_spi_board_info[0].irq = gpio_to_irq(H3_TS_GPIO);
437 spi_register_board_info(h3_spi_board_info,
438 ARRAY_SIZE(h3_spi_board_info));
439 omap_serial_init();
440 h3_i2c_board_info[1].irq = gpio_to_irq(14);
441 omap_register_i2c_bus(1, 100, h3_i2c_board_info,
442 ARRAY_SIZE(h3_i2c_board_info));
443 omap1_usb_init(&h3_usb_config);
444 h3_mmc_init();
445
446 omapfb_set_lcd_config(&h3_lcd_config);
447 }
448
449 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
450 /* Maintainer: Texas Instruments, Inc. */
451 .atag_offset = 0x100,
452 .map_io = omap16xx_map_io,
453 .init_early = omap1_init_early,
454 .init_irq = omap1_init_irq,
455 .init_machine = h3_init,
456 .init_late = omap1_init_late,
457 .init_time = omap1_timer_init,
458 .restart = omap1_restart,
459 MACHINE_END
460