1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * linux/arch/arm/mach-omap1/board-h2.c
4 *
5 * Board specific inits for OMAP-1610 H2
6 *
7 * Copyright (C) 2001 RidgeRun, Inc.
8 * Author: Greg Lonnon <glonnon@ridgerun.com>
9 *
10 * Copyright (C) 2002 MontaVista Software, Inc.
11 *
12 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
13 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
14 *
15 * H2 specific changes and cleanup
16 * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
17 */
18 #include <linux/gpio.h>
19 #include <linux/gpio/machine.h>
20 #include <linux/kernel.h>
21 #include <linux/platform_device.h>
22 #include <linux/delay.h>
23 #include <linux/i2c.h>
24 #include <linux/mtd/mtd.h>
25 #include <linux/mtd/platnand.h>
26 #include <linux/mtd/physmap.h>
27 #include <linux/input.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/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
37
38 #include <mach/mux.h>
39 #include <linux/omap-dma.h>
40 #include <mach/tc.h>
41 #include <linux/platform_data/keypad-omap.h>
42 #include "flash.h"
43
44 #include <mach/hardware.h>
45 #include <mach/usb.h>
46
47 #include "common.h"
48 #include "board-h2.h"
49
50 /* The first 16 SoC GPIO lines are on this GPIO chip */
51 #define OMAP_GPIO_LABEL "gpio-0-15"
52
53 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
54 #define OMAP1610_ETHR_START 0x04000300
55
56 static const unsigned int h2_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 static struct mtd_partition h2_nor_partitions[] = {
95 /* bootloader (U-Boot, etc) in first sector */
96 {
97 .name = "bootloader",
98 .offset = 0,
99 .size = SZ_128K,
100 .mask_flags = MTD_WRITEABLE, /* force read-only */
101 },
102 /* bootloader params in the next sector */
103 {
104 .name = "params",
105 .offset = MTDPART_OFS_APPEND,
106 .size = SZ_128K,
107 .mask_flags = 0,
108 },
109 /* kernel */
110 {
111 .name = "kernel",
112 .offset = MTDPART_OFS_APPEND,
113 .size = SZ_2M,
114 .mask_flags = 0
115 },
116 /* file system */
117 {
118 .name = "filesystem",
119 .offset = MTDPART_OFS_APPEND,
120 .size = MTDPART_SIZ_FULL,
121 .mask_flags = 0
122 }
123 };
124
125 static struct physmap_flash_data h2_nor_data = {
126 .width = 2,
127 .set_vpp = omap1_set_vpp,
128 .parts = h2_nor_partitions,
129 .nr_parts = ARRAY_SIZE(h2_nor_partitions),
130 };
131
132 static struct resource h2_nor_resource = {
133 /* This is on CS3, wherever it's mapped */
134 .flags = IORESOURCE_MEM,
135 };
136
137 static struct platform_device h2_nor_device = {
138 .name = "physmap-flash",
139 .id = 0,
140 .dev = {
141 .platform_data = &h2_nor_data,
142 },
143 .num_resources = 1,
144 .resource = &h2_nor_resource,
145 };
146
147 static struct mtd_partition h2_nand_partitions[] = {
148 #if 0
149 /* REVISIT: enable these partitions if you make NAND BOOT
150 * work on your H2 (rev C or newer); published versions of
151 * x-load only support P2 and H3.
152 */
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 H2_NAND_RB_GPIO_PIN 62
184
h2_nand_dev_ready(struct nand_chip * chip)185 static int h2_nand_dev_ready(struct nand_chip *chip)
186 {
187 return gpio_get_value(H2_NAND_RB_GPIO_PIN);
188 }
189
190 static struct platform_nand_data h2_nand_platdata = {
191 .chip = {
192 .nr_chips = 1,
193 .chip_offset = 0,
194 .nr_partitions = ARRAY_SIZE(h2_nand_partitions),
195 .partitions = h2_nand_partitions,
196 .options = NAND_SAMSUNG_LP_OPTIONS,
197 },
198 .ctrl = {
199 .cmd_ctrl = omap1_nand_cmd_ctl,
200 .dev_ready = h2_nand_dev_ready,
201 },
202 };
203
204 static struct resource h2_nand_resource = {
205 .flags = IORESOURCE_MEM,
206 };
207
208 static struct platform_device h2_nand_device = {
209 .name = "gen_nand",
210 .id = 0,
211 .dev = {
212 .platform_data = &h2_nand_platdata,
213 },
214 .num_resources = 1,
215 .resource = &h2_nand_resource,
216 };
217
218 static struct smc91x_platdata h2_smc91x_info = {
219 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
220 .leda = RPC_LED_100_10,
221 .ledb = RPC_LED_TX_RX,
222 };
223
224 static struct resource h2_smc91x_resources[] = {
225 [0] = {
226 .start = OMAP1610_ETHR_START, /* Physical */
227 .end = OMAP1610_ETHR_START + 0xf,
228 .flags = IORESOURCE_MEM,
229 },
230 [1] = {
231 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
232 },
233 };
234
235 static struct platform_device h2_smc91x_device = {
236 .name = "smc91x",
237 .id = 0,
238 .dev = {
239 .platform_data = &h2_smc91x_info,
240 },
241 .num_resources = ARRAY_SIZE(h2_smc91x_resources),
242 .resource = h2_smc91x_resources,
243 };
244
245 static struct resource h2_kp_resources[] = {
246 [0] = {
247 .start = INT_KEYBOARD,
248 .end = INT_KEYBOARD,
249 .flags = IORESOURCE_IRQ,
250 },
251 };
252
253 static const struct matrix_keymap_data h2_keymap_data = {
254 .keymap = h2_keymap,
255 .keymap_size = ARRAY_SIZE(h2_keymap),
256 };
257
258 static struct omap_kp_platform_data h2_kp_data = {
259 .rows = 8,
260 .cols = 8,
261 .keymap_data = &h2_keymap_data,
262 .rep = true,
263 .delay = 9,
264 .dbounce = true,
265 };
266
267 static struct platform_device h2_kp_device = {
268 .name = "omap-keypad",
269 .id = -1,
270 .dev = {
271 .platform_data = &h2_kp_data,
272 },
273 .num_resources = ARRAY_SIZE(h2_kp_resources),
274 .resource = h2_kp_resources,
275 };
276
277 static const struct gpio_led h2_gpio_led_pins[] = {
278 {
279 .name = "h2:red",
280 .default_trigger = "heartbeat",
281 .gpio = 3,
282 },
283 {
284 .name = "h2:green",
285 .default_trigger = "cpu0",
286 .gpio = OMAP_MPUIO(4),
287 },
288 };
289
290 static struct gpio_led_platform_data h2_gpio_led_data = {
291 .leds = h2_gpio_led_pins,
292 .num_leds = ARRAY_SIZE(h2_gpio_led_pins),
293 };
294
295 static struct platform_device h2_gpio_leds = {
296 .name = "leds-gpio",
297 .id = -1,
298 .dev = {
299 .platform_data = &h2_gpio_led_data,
300 },
301 };
302
303 static struct platform_device *h2_devices[] __initdata = {
304 &h2_nor_device,
305 &h2_nand_device,
306 &h2_smc91x_device,
307 &h2_kp_device,
308 &h2_gpio_leds,
309 };
310
h2_init_smc91x(void)311 static void __init h2_init_smc91x(void)
312 {
313 if (gpio_request(0, "SMC91x irq") < 0) {
314 printk("Error requesting gpio 0 for smc91x irq\n");
315 return;
316 }
317 }
318
tps_setup(struct i2c_client * client,void * context)319 static int tps_setup(struct i2c_client *client, void *context)
320 {
321 if (!IS_BUILTIN(CONFIG_TPS65010))
322 return -ENOSYS;
323
324 tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
325 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
326
327 return 0;
328 }
329
330 static struct tps65010_board tps_board = {
331 .base = H2_TPS_GPIO_BASE,
332 .outmask = 0x0f,
333 .setup = tps_setup,
334 };
335
336 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
337 {
338 I2C_BOARD_INFO("tps65010", 0x48),
339 .platform_data = &tps_board,
340 }, {
341 .type = "isp1301_omap",
342 .addr = 0x2d,
343 .dev_name = "isp1301",
344 },
345 };
346
347 static struct gpiod_lookup_table isp1301_gpiod_table = {
348 .dev_id = "isp1301",
349 .table = {
350 /* Active low since the irq triggers on falling edge */
351 GPIO_LOOKUP(OMAP_GPIO_LABEL, 2,
352 NULL, GPIO_ACTIVE_LOW),
353 { },
354 },
355 };
356
357 static struct omap_usb_config h2_usb_config __initdata = {
358 /* usb1 has a Mini-AB port and external isp1301 transceiver */
359 .otg = 2,
360
361 #if IS_ENABLED(CONFIG_USB_OMAP)
362 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
363 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
364 #elif IS_ENABLED(CONFIG_USB_OHCI_HCD)
365 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
366 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
367 #endif
368
369 .pins[1] = 3,
370 };
371
372 static const struct omap_lcd_config h2_lcd_config __initconst = {
373 .ctrl_name = "internal",
374 };
375
h2_init(void)376 static void __init h2_init(void)
377 {
378 h2_init_smc91x();
379
380 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
381 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
382 * notice whether a NAND chip is enabled at probe time.
383 *
384 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
385 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
386 * detecting that in code here, to avoid probing every possible flash
387 * configuration...
388 */
389 h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
390 h2_nor_resource.end += SZ_32M - 1;
391
392 h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
393 h2_nand_resource.end += SZ_4K - 1;
394 BUG_ON(gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0);
395 gpio_direction_input(H2_NAND_RB_GPIO_PIN);
396
397 gpiod_add_lookup_table(&isp1301_gpiod_table);
398
399 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
400 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
401
402 /* MMC: card detect and WP */
403 /* omap_cfg_reg(U19_ARMIO1); */ /* CD */
404 omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */
405
406 /* Mux pins for keypad */
407 omap_cfg_reg(F18_1610_KBC0);
408 omap_cfg_reg(D20_1610_KBC1);
409 omap_cfg_reg(D19_1610_KBC2);
410 omap_cfg_reg(E18_1610_KBC3);
411 omap_cfg_reg(C21_1610_KBC4);
412 omap_cfg_reg(G18_1610_KBR0);
413 omap_cfg_reg(F19_1610_KBR1);
414 omap_cfg_reg(H14_1610_KBR2);
415 omap_cfg_reg(E20_1610_KBR3);
416 omap_cfg_reg(E19_1610_KBR4);
417 omap_cfg_reg(N19_1610_KBR5);
418
419 /* GPIO based LEDs */
420 omap_cfg_reg(P18_1610_GPIO3);
421 omap_cfg_reg(MPUIO4);
422
423 h2_smc91x_resources[1].start = gpio_to_irq(0);
424 h2_smc91x_resources[1].end = gpio_to_irq(0);
425 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
426 omap_serial_init();
427
428 /* ISP1301 IRQ wired at M14 */
429 omap_cfg_reg(M14_1510_GPIO2);
430 h2_i2c_board_info[0].irq = gpio_to_irq(58);
431 omap_register_i2c_bus(1, 100, h2_i2c_board_info,
432 ARRAY_SIZE(h2_i2c_board_info));
433 omap1_usb_init(&h2_usb_config);
434 h2_mmc_init();
435
436 omapfb_set_lcd_config(&h2_lcd_config);
437 }
438
439 MACHINE_START(OMAP_H2, "TI-H2")
440 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
441 .atag_offset = 0x100,
442 .map_io = omap16xx_map_io,
443 .init_early = omap1_init_early,
444 .init_irq = omap1_init_irq,
445 .handle_irq = omap1_handle_irq,
446 .init_machine = h2_init,
447 .init_late = omap1_init_late,
448 .init_time = omap1_timer_init,
449 .restart = omap1_restart,
450 MACHINE_END
451