1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * linux/arch/arm/mach-omap1/board-h3.c
4 *
5 * This file contains OMAP1710 H3 specific code.
6 *
7 * Copyright (C) 2004 Texas Instruments, Inc.
8 * Copyright (C) 2002 MontaVista Software, Inc.
9 * Copyright (C) 2001 RidgeRun, Inc.
10 * Author: RidgeRun, Inc.
11 * Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com
12 */
13 #include <linux/gpio.h>
14 #include <linux/types.h>
15 #include <linux/init.h>
16 #include <linux/major.h>
17 #include <linux/kernel.h>
18 #include <linux/platform_device.h>
19 #include <linux/errno.h>
20 #include <linux/workqueue.h>
21 #include <linux/i2c.h>
22 #include <linux/mtd/mtd.h>
23 #include <linux/mtd/platnand.h>
24 #include <linux/mtd/partitions.h>
25 #include <linux/mtd/physmap.h>
26 #include <linux/input.h>
27 #include <linux/spi/spi.h>
28 #include <linux/mfd/tps65010.h>
29 #include <linux/smc91x.h>
30 #include <linux/omapfb.h>
31 #include <linux/platform_data/gpio-omap.h>
32 #include <linux/leds.h>
33
34 #include <asm/setup.h>
35 #include <asm/page.h>
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39
40 #include <mach/mux.h>
41 #include <mach/tc.h>
42 #include <linux/platform_data/keypad-omap.h>
43 #include <linux/omap-dma.h>
44 #include "flash.h"
45
46 #include <mach/hardware.h>
47 #include <mach/irqs.h>
48 #include <mach/usb.h>
49
50 #include "common.h"
51 #include "board-h3.h"
52
53 /* In OMAP1710 H3 the Ethernet is directly connected to CS1 */
54 #define OMAP1710_ETHR_START 0x04000300
55
56 #define H3_TS_GPIO 48
57
58 static const unsigned int h3_keymap[] = {
59 KEY(0, 0, KEY_LEFT),
60 KEY(1, 0, KEY_RIGHT),
61 KEY(2, 0, KEY_3),
62 KEY(3, 0, KEY_F10),
63 KEY(4, 0, KEY_F5),
64 KEY(5, 0, KEY_9),
65 KEY(0, 1, KEY_DOWN),
66 KEY(1, 1, KEY_UP),
67 KEY(2, 1, KEY_2),
68 KEY(3, 1, KEY_F9),
69 KEY(4, 1, KEY_F7),
70 KEY(5, 1, KEY_0),
71 KEY(0, 2, KEY_ENTER),
72 KEY(1, 2, KEY_6),
73 KEY(2, 2, KEY_1),
74 KEY(3, 2, KEY_F2),
75 KEY(4, 2, KEY_F6),
76 KEY(5, 2, KEY_HOME),
77 KEY(0, 3, KEY_8),
78 KEY(1, 3, KEY_5),
79 KEY(2, 3, KEY_F12),
80 KEY(3, 3, KEY_F3),
81 KEY(4, 3, KEY_F8),
82 KEY(5, 3, KEY_END),
83 KEY(0, 4, KEY_7),
84 KEY(1, 4, KEY_4),
85 KEY(2, 4, KEY_F11),
86 KEY(3, 4, KEY_F1),
87 KEY(4, 4, KEY_F4),
88 KEY(5, 4, KEY_ESC),
89 KEY(0, 5, KEY_F13),
90 KEY(1, 5, KEY_F14),
91 KEY(2, 5, KEY_F15),
92 KEY(3, 5, KEY_F16),
93 KEY(4, 5, KEY_SLEEP),
94 };
95
96
97 static struct mtd_partition nor_partitions[] = {
98 /* bootloader (U-Boot, etc) in first sector */
99 {
100 .name = "bootloader",
101 .offset = 0,
102 .size = SZ_128K,
103 .mask_flags = MTD_WRITEABLE, /* force read-only */
104 },
105 /* bootloader params in the next sector */
106 {
107 .name = "params",
108 .offset = MTDPART_OFS_APPEND,
109 .size = SZ_128K,
110 .mask_flags = 0,
111 },
112 /* kernel */
113 {
114 .name = "kernel",
115 .offset = MTDPART_OFS_APPEND,
116 .size = SZ_2M,
117 .mask_flags = 0
118 },
119 /* file system */
120 {
121 .name = "filesystem",
122 .offset = MTDPART_OFS_APPEND,
123 .size = MTDPART_SIZ_FULL,
124 .mask_flags = 0
125 }
126 };
127
128 static struct physmap_flash_data nor_data = {
129 .width = 2,
130 .set_vpp = omap1_set_vpp,
131 .parts = nor_partitions,
132 .nr_parts = ARRAY_SIZE(nor_partitions),
133 };
134
135 static struct resource nor_resource = {
136 /* This is on CS3, wherever it's mapped */
137 .flags = IORESOURCE_MEM,
138 };
139
140 static struct platform_device nor_device = {
141 .name = "physmap-flash",
142 .id = 0,
143 .dev = {
144 .platform_data = &nor_data,
145 },
146 .num_resources = 1,
147 .resource = &nor_resource,
148 };
149
150 static struct mtd_partition nand_partitions[] = {
151 #if 0
152 /* REVISIT: enable these partitions if you make NAND BOOT work */
153 {
154 .name = "xloader",
155 .offset = 0,
156 .size = 64 * 1024,
157 .mask_flags = MTD_WRITEABLE, /* force read-only */
158 },
159 {
160 .name = "bootloader",
161 .offset = MTDPART_OFS_APPEND,
162 .size = 256 * 1024,
163 .mask_flags = MTD_WRITEABLE, /* force read-only */
164 },
165 {
166 .name = "params",
167 .offset = MTDPART_OFS_APPEND,
168 .size = 192 * 1024,
169 },
170 {
171 .name = "kernel",
172 .offset = MTDPART_OFS_APPEND,
173 .size = 2 * SZ_1M,
174 },
175 #endif
176 {
177 .name = "filesystem",
178 .size = MTDPART_SIZ_FULL,
179 .offset = MTDPART_OFS_APPEND,
180 },
181 };
182
183 #define H3_NAND_RB_GPIO_PIN 10
184
nand_dev_ready(struct nand_chip * chip)185 static int nand_dev_ready(struct nand_chip *chip)
186 {
187 return gpio_get_value(H3_NAND_RB_GPIO_PIN);
188 }
189
190 static struct platform_nand_data nand_platdata = {
191 .chip = {
192 .nr_chips = 1,
193 .chip_offset = 0,
194 .nr_partitions = ARRAY_SIZE(nand_partitions),
195 .partitions = nand_partitions,
196 .options = NAND_SAMSUNG_LP_OPTIONS,
197 },
198 .ctrl = {
199 .cmd_ctrl = omap1_nand_cmd_ctl,
200 .dev_ready = nand_dev_ready,
201
202 },
203 };
204
205 static struct resource nand_resource = {
206 .flags = IORESOURCE_MEM,
207 };
208
209 static struct platform_device nand_device = {
210 .name = "gen_nand",
211 .id = 0,
212 .dev = {
213 .platform_data = &nand_platdata,
214 },
215 .num_resources = 1,
216 .resource = &nand_resource,
217 };
218
219 static struct smc91x_platdata 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 smc91x_resources[] = {
226 [0] = {
227 .start = OMAP1710_ETHR_START, /* Physical */
228 .end = OMAP1710_ETHR_START + 0xf,
229 .flags = IORESOURCE_MEM,
230 },
231 [1] = {
232 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
233 },
234 };
235
236 static struct platform_device smc91x_device = {
237 .name = "smc91x",
238 .id = 0,
239 .dev = {
240 .platform_data = &smc91x_info,
241 },
242 .num_resources = ARRAY_SIZE(smc91x_resources),
243 .resource = smc91x_resources,
244 };
245
h3_init_smc91x(void)246 static void __init h3_init_smc91x(void)
247 {
248 omap_cfg_reg(W15_1710_GPIO40);
249 if (gpio_request(40, "SMC91x irq") < 0) {
250 printk("Error requesting gpio 40 for smc91x irq\n");
251 return;
252 }
253 }
254
255 #define GPTIMER_BASE 0xFFFB1400
256 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
257 #define GPTIMER_REGS_SIZE 0x46
258
259 static struct resource intlat_resources[] = {
260 [0] = {
261 .start = GPTIMER_REGS(0), /* Physical */
262 .end = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
263 .flags = IORESOURCE_MEM,
264 },
265 [1] = {
266 .start = INT_1610_GPTIMER1,
267 .end = INT_1610_GPTIMER1,
268 .flags = IORESOURCE_IRQ,
269 },
270 };
271
272 static struct platform_device intlat_device = {
273 .name = "omap_intlat",
274 .id = 0,
275 .num_resources = ARRAY_SIZE(intlat_resources),
276 .resource = intlat_resources,
277 };
278
279 static struct resource h3_kp_resources[] = {
280 [0] = {
281 .start = INT_KEYBOARD,
282 .end = INT_KEYBOARD,
283 .flags = IORESOURCE_IRQ,
284 },
285 };
286
287 static const struct matrix_keymap_data h3_keymap_data = {
288 .keymap = h3_keymap,
289 .keymap_size = ARRAY_SIZE(h3_keymap),
290 };
291
292 static struct omap_kp_platform_data h3_kp_data = {
293 .rows = 8,
294 .cols = 8,
295 .keymap_data = &h3_keymap_data,
296 .rep = true,
297 .delay = 9,
298 .dbounce = true,
299 };
300
301 static struct platform_device h3_kp_device = {
302 .name = "omap-keypad",
303 .id = -1,
304 .dev = {
305 .platform_data = &h3_kp_data,
306 },
307 .num_resources = ARRAY_SIZE(h3_kp_resources),
308 .resource = h3_kp_resources,
309 };
310
311 static struct platform_device h3_lcd_device = {
312 .name = "lcd_h3",
313 .id = -1,
314 };
315
316 static struct spi_board_info h3_spi_board_info[] __initdata = {
317 [0] = {
318 .modalias = "tsc2101",
319 .bus_num = 2,
320 .chip_select = 0,
321 .max_speed_hz = 16000000,
322 /* .platform_data = &tsc_platform_data, */
323 },
324 };
325
326 static const struct gpio_led h3_gpio_led_pins[] = {
327 {
328 .name = "h3:red",
329 .default_trigger = "heartbeat",
330 .gpio = 3,
331 },
332 {
333 .name = "h3:green",
334 .default_trigger = "cpu0",
335 .gpio = OMAP_MPUIO(4),
336 },
337 };
338
339 static struct gpio_led_platform_data h3_gpio_led_data = {
340 .leds = h3_gpio_led_pins,
341 .num_leds = ARRAY_SIZE(h3_gpio_led_pins),
342 };
343
344 static struct platform_device h3_gpio_leds = {
345 .name = "leds-gpio",
346 .id = -1,
347 .dev = {
348 .platform_data = &h3_gpio_led_data,
349 },
350 };
351
352 static struct platform_device *devices[] __initdata = {
353 &nor_device,
354 &nand_device,
355 &smc91x_device,
356 &intlat_device,
357 &h3_kp_device,
358 &h3_lcd_device,
359 &h3_gpio_leds,
360 };
361
362 static struct omap_usb_config h3_usb_config __initdata = {
363 /* usb1 has a Mini-AB port and external isp1301 transceiver */
364 .otg = 2,
365
366 #if IS_ENABLED(CONFIG_USB_OMAP)
367 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
368 #elif IS_ENABLED(CONFIG_USB_OHCI_HCD)
369 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
370 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
371 #endif
372
373 .pins[1] = 3,
374 };
375
376 static const struct omap_lcd_config h3_lcd_config __initconst = {
377 .ctrl_name = "internal",
378 };
379
380 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
381 {
382 I2C_BOARD_INFO("tps65013", 0x48),
383 },
384 {
385 I2C_BOARD_INFO("isp1301_omap", 0x2d),
386 },
387 };
388
h3_init(void)389 static void __init h3_init(void)
390 {
391 h3_init_smc91x();
392
393 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
394 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
395 * notice whether a NAND chip is enabled at probe time.
396 *
397 * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
398 * (which on H2 may be 16bit) on CS3. Try detecting that in code here,
399 * to avoid probing every possible flash configuration...
400 */
401 nor_resource.end = nor_resource.start = omap_cs3_phys();
402 nor_resource.end += SZ_32M - 1;
403
404 nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
405 nand_resource.end += SZ_4K - 1;
406 BUG_ON(gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0);
407 gpio_direction_input(H3_NAND_RB_GPIO_PIN);
408
409 /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
410 /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
411 omap_cfg_reg(V2_1710_GPIO10);
412
413 /* Mux pins for keypad */
414 omap_cfg_reg(F18_1610_KBC0);
415 omap_cfg_reg(D20_1610_KBC1);
416 omap_cfg_reg(D19_1610_KBC2);
417 omap_cfg_reg(E18_1610_KBC3);
418 omap_cfg_reg(C21_1610_KBC4);
419 omap_cfg_reg(G18_1610_KBR0);
420 omap_cfg_reg(F19_1610_KBR1);
421 omap_cfg_reg(H14_1610_KBR2);
422 omap_cfg_reg(E20_1610_KBR3);
423 omap_cfg_reg(E19_1610_KBR4);
424 omap_cfg_reg(N19_1610_KBR5);
425
426 /* GPIO based LEDs */
427 omap_cfg_reg(P18_1610_GPIO3);
428 omap_cfg_reg(MPUIO4);
429
430 smc91x_resources[1].start = gpio_to_irq(40);
431 smc91x_resources[1].end = gpio_to_irq(40);
432 platform_add_devices(devices, ARRAY_SIZE(devices));
433 h3_spi_board_info[0].irq = gpio_to_irq(H3_TS_GPIO);
434 spi_register_board_info(h3_spi_board_info,
435 ARRAY_SIZE(h3_spi_board_info));
436 omap_serial_init();
437 h3_i2c_board_info[1].irq = gpio_to_irq(14);
438 omap_register_i2c_bus(1, 100, h3_i2c_board_info,
439 ARRAY_SIZE(h3_i2c_board_info));
440 omap1_usb_init(&h3_usb_config);
441 h3_mmc_init();
442
443 omapfb_set_lcd_config(&h3_lcd_config);
444 }
445
446 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
447 /* Maintainer: Texas Instruments, Inc. */
448 .atag_offset = 0x100,
449 .map_io = omap16xx_map_io,
450 .init_early = omap1_init_early,
451 .init_irq = omap1_init_irq,
452 .handle_irq = omap1_handle_irq,
453 .init_machine = h3_init,
454 .init_late = omap1_init_late,
455 .init_time = omap1_timer_init,
456 .restart = omap1_restart,
457 MACHINE_END
458