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/platform_data/keypad-omap.h>
33 #include <linux/omap-dma.h>
34 #include <linux/leds.h>
35
36 #include <asm/setup.h>
37 #include <asm/page.h>
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/map.h>
41
42 #include "tc.h"
43 #include "mux.h"
44 #include "flash.h"
45 #include "hardware.h"
46 #include "irqs.h"
47 #include "usb.h"
48 #include "common.h"
49 #include "board-h3.h"
50
51 /* In OMAP1710 H3 the Ethernet is directly connected to CS1 */
52 #define OMAP1710_ETHR_START 0x04000300
53
54 #define H3_TS_GPIO 48
55
56 static const unsigned int h3_keymap[] = {
57 KEY(0, 0, KEY_LEFT),
58 KEY(1, 0, KEY_RIGHT),
59 KEY(2, 0, KEY_3),
60 KEY(3, 0, KEY_F10),
61 KEY(4, 0, KEY_F5),
62 KEY(5, 0, KEY_9),
63 KEY(0, 1, KEY_DOWN),
64 KEY(1, 1, KEY_UP),
65 KEY(2, 1, KEY_2),
66 KEY(3, 1, KEY_F9),
67 KEY(4, 1, KEY_F7),
68 KEY(5, 1, KEY_0),
69 KEY(0, 2, KEY_ENTER),
70 KEY(1, 2, KEY_6),
71 KEY(2, 2, KEY_1),
72 KEY(3, 2, KEY_F2),
73 KEY(4, 2, KEY_F6),
74 KEY(5, 2, KEY_HOME),
75 KEY(0, 3, KEY_8),
76 KEY(1, 3, KEY_5),
77 KEY(2, 3, KEY_F12),
78 KEY(3, 3, KEY_F3),
79 KEY(4, 3, KEY_F8),
80 KEY(5, 3, KEY_END),
81 KEY(0, 4, KEY_7),
82 KEY(1, 4, KEY_4),
83 KEY(2, 4, KEY_F11),
84 KEY(3, 4, KEY_F1),
85 KEY(4, 4, KEY_F4),
86 KEY(5, 4, KEY_ESC),
87 KEY(0, 5, KEY_F13),
88 KEY(1, 5, KEY_F14),
89 KEY(2, 5, KEY_F15),
90 KEY(3, 5, KEY_F16),
91 KEY(4, 5, KEY_SLEEP),
92 };
93
94
95 static struct mtd_partition 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 nor_data = {
127 .width = 2,
128 .set_vpp = omap1_set_vpp,
129 .parts = nor_partitions,
130 .nr_parts = ARRAY_SIZE(nor_partitions),
131 };
132
133 static struct resource nor_resource = {
134 /* This is on CS3, wherever it's mapped */
135 .flags = IORESOURCE_MEM,
136 };
137
138 static struct platform_device nor_device = {
139 .name = "physmap-flash",
140 .id = 0,
141 .dev = {
142 .platform_data = &nor_data,
143 },
144 .num_resources = 1,
145 .resource = &nor_resource,
146 };
147
148 static struct mtd_partition nand_partitions[] = {
149 #if 0
150 /* REVISIT: enable these partitions if you make NAND BOOT work */
151 {
152 .name = "xloader",
153 .offset = 0,
154 .size = 64 * 1024,
155 .mask_flags = MTD_WRITEABLE, /* force read-only */
156 },
157 {
158 .name = "bootloader",
159 .offset = MTDPART_OFS_APPEND,
160 .size = 256 * 1024,
161 .mask_flags = MTD_WRITEABLE, /* force read-only */
162 },
163 {
164 .name = "params",
165 .offset = MTDPART_OFS_APPEND,
166 .size = 192 * 1024,
167 },
168 {
169 .name = "kernel",
170 .offset = MTDPART_OFS_APPEND,
171 .size = 2 * SZ_1M,
172 },
173 #endif
174 {
175 .name = "filesystem",
176 .size = MTDPART_SIZ_FULL,
177 .offset = MTDPART_OFS_APPEND,
178 },
179 };
180
181 #define H3_NAND_RB_GPIO_PIN 10
182
nand_dev_ready(struct nand_chip * chip)183 static int nand_dev_ready(struct nand_chip *chip)
184 {
185 return gpio_get_value(H3_NAND_RB_GPIO_PIN);
186 }
187
188 static struct platform_nand_data nand_platdata = {
189 .chip = {
190 .nr_chips = 1,
191 .chip_offset = 0,
192 .nr_partitions = ARRAY_SIZE(nand_partitions),
193 .partitions = nand_partitions,
194 .options = NAND_SAMSUNG_LP_OPTIONS,
195 },
196 .ctrl = {
197 .cmd_ctrl = omap1_nand_cmd_ctl,
198 .dev_ready = nand_dev_ready,
199
200 },
201 };
202
203 static struct resource nand_resource = {
204 .flags = IORESOURCE_MEM,
205 };
206
207 static struct platform_device nand_device = {
208 .name = "gen_nand",
209 .id = 0,
210 .dev = {
211 .platform_data = &nand_platdata,
212 },
213 .num_resources = 1,
214 .resource = &nand_resource,
215 };
216
217 static struct smc91x_platdata smc91x_info = {
218 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
219 .leda = RPC_LED_100_10,
220 .ledb = RPC_LED_TX_RX,
221 };
222
223 static struct resource smc91x_resources[] = {
224 [0] = {
225 .start = OMAP1710_ETHR_START, /* Physical */
226 .end = OMAP1710_ETHR_START + 0xf,
227 .flags = IORESOURCE_MEM,
228 },
229 [1] = {
230 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
231 },
232 };
233
234 static struct platform_device smc91x_device = {
235 .name = "smc91x",
236 .id = 0,
237 .dev = {
238 .platform_data = &smc91x_info,
239 },
240 .num_resources = ARRAY_SIZE(smc91x_resources),
241 .resource = smc91x_resources,
242 };
243
h3_init_smc91x(void)244 static void __init h3_init_smc91x(void)
245 {
246 omap_cfg_reg(W15_1710_GPIO40);
247 if (gpio_request(40, "SMC91x irq") < 0) {
248 printk("Error requesting gpio 40 for smc91x irq\n");
249 return;
250 }
251 }
252
253 #define GPTIMER_BASE 0xFFFB1400
254 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
255 #define GPTIMER_REGS_SIZE 0x46
256
257 static struct resource intlat_resources[] = {
258 [0] = {
259 .start = GPTIMER_REGS(0), /* Physical */
260 .end = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
261 .flags = IORESOURCE_MEM,
262 },
263 [1] = {
264 .start = INT_1610_GPTIMER1,
265 .end = INT_1610_GPTIMER1,
266 .flags = IORESOURCE_IRQ,
267 },
268 };
269
270 static struct platform_device intlat_device = {
271 .name = "omap_intlat",
272 .id = 0,
273 .num_resources = ARRAY_SIZE(intlat_resources),
274 .resource = intlat_resources,
275 };
276
277 static struct resource h3_kp_resources[] = {
278 [0] = {
279 .start = INT_KEYBOARD,
280 .end = INT_KEYBOARD,
281 .flags = IORESOURCE_IRQ,
282 },
283 };
284
285 static const struct matrix_keymap_data h3_keymap_data = {
286 .keymap = h3_keymap,
287 .keymap_size = ARRAY_SIZE(h3_keymap),
288 };
289
290 static struct omap_kp_platform_data h3_kp_data = {
291 .rows = 8,
292 .cols = 8,
293 .keymap_data = &h3_keymap_data,
294 .rep = true,
295 .delay = 9,
296 .dbounce = true,
297 };
298
299 static struct platform_device h3_kp_device = {
300 .name = "omap-keypad",
301 .id = -1,
302 .dev = {
303 .platform_data = &h3_kp_data,
304 },
305 .num_resources = ARRAY_SIZE(h3_kp_resources),
306 .resource = h3_kp_resources,
307 };
308
309 static struct platform_device h3_lcd_device = {
310 .name = "lcd_h3",
311 .id = -1,
312 };
313
314 static struct spi_board_info h3_spi_board_info[] __initdata = {
315 [0] = {
316 .modalias = "tsc2101",
317 .bus_num = 2,
318 .chip_select = 0,
319 .max_speed_hz = 16000000,
320 /* .platform_data = &tsc_platform_data, */
321 },
322 };
323
324 static const struct gpio_led h3_gpio_led_pins[] = {
325 {
326 .name = "h3:red",
327 .default_trigger = "heartbeat",
328 .gpio = 3,
329 },
330 {
331 .name = "h3:green",
332 .default_trigger = "cpu0",
333 .gpio = OMAP_MPUIO(4),
334 },
335 };
336
337 static struct gpio_led_platform_data h3_gpio_led_data = {
338 .leds = h3_gpio_led_pins,
339 .num_leds = ARRAY_SIZE(h3_gpio_led_pins),
340 };
341
342 static struct platform_device h3_gpio_leds = {
343 .name = "leds-gpio",
344 .id = -1,
345 .dev = {
346 .platform_data = &h3_gpio_led_data,
347 },
348 };
349
350 static struct platform_device *devices[] __initdata = {
351 &nor_device,
352 &nand_device,
353 &smc91x_device,
354 &intlat_device,
355 &h3_kp_device,
356 &h3_lcd_device,
357 &h3_gpio_leds,
358 };
359
360 static struct omap_usb_config h3_usb_config __initdata = {
361 /* usb1 has a Mini-AB port and external isp1301 transceiver */
362 .otg = 2,
363
364 #if IS_ENABLED(CONFIG_USB_OMAP)
365 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
366 #elif IS_ENABLED(CONFIG_USB_OHCI_HCD)
367 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
368 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
369 #endif
370
371 .pins[1] = 3,
372 };
373
374 static const struct omap_lcd_config h3_lcd_config __initconst = {
375 .ctrl_name = "internal",
376 };
377
378 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
379 {
380 I2C_BOARD_INFO("tps65013", 0x48),
381 },
382 {
383 I2C_BOARD_INFO("isp1301_omap", 0x2d),
384 },
385 };
386
h3_init(void)387 static void __init h3_init(void)
388 {
389 h3_init_smc91x();
390
391 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
392 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
393 * notice whether a NAND chip is enabled at probe time.
394 *
395 * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
396 * (which on H2 may be 16bit) on CS3. Try detecting that in code here,
397 * to avoid probing every possible flash configuration...
398 */
399 nor_resource.end = nor_resource.start = omap_cs3_phys();
400 nor_resource.end += SZ_32M - 1;
401
402 nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
403 nand_resource.end += SZ_4K - 1;
404 BUG_ON(gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0);
405 gpio_direction_input(H3_NAND_RB_GPIO_PIN);
406
407 /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
408 /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
409 omap_cfg_reg(V2_1710_GPIO10);
410
411 /* Mux pins for keypad */
412 omap_cfg_reg(F18_1610_KBC0);
413 omap_cfg_reg(D20_1610_KBC1);
414 omap_cfg_reg(D19_1610_KBC2);
415 omap_cfg_reg(E18_1610_KBC3);
416 omap_cfg_reg(C21_1610_KBC4);
417 omap_cfg_reg(G18_1610_KBR0);
418 omap_cfg_reg(F19_1610_KBR1);
419 omap_cfg_reg(H14_1610_KBR2);
420 omap_cfg_reg(E20_1610_KBR3);
421 omap_cfg_reg(E19_1610_KBR4);
422 omap_cfg_reg(N19_1610_KBR5);
423
424 /* GPIO based LEDs */
425 omap_cfg_reg(P18_1610_GPIO3);
426 omap_cfg_reg(MPUIO4);
427
428 smc91x_resources[1].start = gpio_to_irq(40);
429 smc91x_resources[1].end = gpio_to_irq(40);
430 platform_add_devices(devices, ARRAY_SIZE(devices));
431 h3_spi_board_info[0].irq = gpio_to_irq(H3_TS_GPIO);
432 spi_register_board_info(h3_spi_board_info,
433 ARRAY_SIZE(h3_spi_board_info));
434 omap_serial_init();
435 h3_i2c_board_info[1].irq = gpio_to_irq(14);
436 omap_register_i2c_bus(1, 100, h3_i2c_board_info,
437 ARRAY_SIZE(h3_i2c_board_info));
438 omap1_usb_init(&h3_usb_config);
439 h3_mmc_init();
440
441 omapfb_set_lcd_config(&h3_lcd_config);
442 }
443
444 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
445 /* Maintainer: Texas Instruments, Inc. */
446 .atag_offset = 0x100,
447 .map_io = omap16xx_map_io,
448 .init_early = omap1_init_early,
449 .init_irq = omap1_init_irq,
450 .handle_irq = omap1_handle_irq,
451 .init_machine = h3_init,
452 .init_late = omap1_init_late,
453 .init_time = omap1_timer_init,
454 .restart = omap1_restart,
455 MACHINE_END
456
