1 /*
2 * linux/arch/arm/mach-omap1/board-innovator.c
3 *
4 * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
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 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17 */
18 #include <linux/gpio.h>
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/platform_device.h>
22 #include <linux/delay.h>
23 #include <linux/mtd/mtd.h>
24 #include <linux/mtd/partitions.h>
25 #include <linux/mtd/physmap.h>
26 #include <linux/input.h>
27 #include <linux/smc91x.h>
28 #include <linux/omapfb.h>
29
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33
34 #include <mach/mux.h>
35 #include "flash.h"
36 #include <mach/tc.h>
37 #include <linux/platform_data/keypad-omap.h>
38
39 #include <mach/hardware.h>
40 #include <mach/usb.h>
41
42 #include "iomap.h"
43 #include "common.h"
44 #include "mmc.h"
45
46 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
47 #define INNOVATOR1610_ETHR_START 0x04000300
48
49 static const unsigned int innovator_keymap[] = {
50 KEY(0, 0, KEY_F1),
51 KEY(3, 0, KEY_DOWN),
52 KEY(1, 1, KEY_F2),
53 KEY(2, 1, KEY_RIGHT),
54 KEY(0, 2, KEY_F3),
55 KEY(1, 2, KEY_F4),
56 KEY(2, 2, KEY_UP),
57 KEY(2, 3, KEY_ENTER),
58 KEY(3, 3, KEY_LEFT),
59 };
60
61 static struct mtd_partition innovator_partitions[] = {
62 /* bootloader (U-Boot, etc) in first sector */
63 {
64 .name = "bootloader",
65 .offset = 0,
66 .size = SZ_128K,
67 .mask_flags = MTD_WRITEABLE, /* force read-only */
68 },
69 /* bootloader params in the next sector */
70 {
71 .name = "params",
72 .offset = MTDPART_OFS_APPEND,
73 .size = SZ_128K,
74 .mask_flags = 0,
75 },
76 /* kernel */
77 {
78 .name = "kernel",
79 .offset = MTDPART_OFS_APPEND,
80 .size = SZ_2M,
81 .mask_flags = 0
82 },
83 /* rest of flash1 is a file system */
84 {
85 .name = "rootfs",
86 .offset = MTDPART_OFS_APPEND,
87 .size = SZ_16M - SZ_2M - 2 * SZ_128K,
88 .mask_flags = 0
89 },
90 /* file system */
91 {
92 .name = "filesystem",
93 .offset = MTDPART_OFS_APPEND,
94 .size = MTDPART_SIZ_FULL,
95 .mask_flags = 0
96 }
97 };
98
99 static struct physmap_flash_data innovator_flash_data = {
100 .width = 2,
101 .set_vpp = omap1_set_vpp,
102 .parts = innovator_partitions,
103 .nr_parts = ARRAY_SIZE(innovator_partitions),
104 };
105
106 static struct resource innovator_flash_resource = {
107 .start = OMAP_CS0_PHYS,
108 .end = OMAP_CS0_PHYS + SZ_32M - 1,
109 .flags = IORESOURCE_MEM,
110 };
111
112 static struct platform_device innovator_flash_device = {
113 .name = "physmap-flash",
114 .id = 0,
115 .dev = {
116 .platform_data = &innovator_flash_data,
117 },
118 .num_resources = 1,
119 .resource = &innovator_flash_resource,
120 };
121
122 static struct resource innovator_kp_resources[] = {
123 [0] = {
124 .start = INT_KEYBOARD,
125 .end = INT_KEYBOARD,
126 .flags = IORESOURCE_IRQ,
127 },
128 };
129
130 static const struct matrix_keymap_data innovator_keymap_data = {
131 .keymap = innovator_keymap,
132 .keymap_size = ARRAY_SIZE(innovator_keymap),
133 };
134
135 static struct omap_kp_platform_data innovator_kp_data = {
136 .rows = 8,
137 .cols = 8,
138 .keymap_data = &innovator_keymap_data,
139 .delay = 4,
140 };
141
142 static struct platform_device innovator_kp_device = {
143 .name = "omap-keypad",
144 .id = -1,
145 .dev = {
146 .platform_data = &innovator_kp_data,
147 },
148 .num_resources = ARRAY_SIZE(innovator_kp_resources),
149 .resource = innovator_kp_resources,
150 };
151
152 static struct smc91x_platdata innovator_smc91x_info = {
153 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
154 .leda = RPC_LED_100_10,
155 .ledb = RPC_LED_TX_RX,
156 };
157
158 #ifdef CONFIG_ARCH_OMAP15XX
159
160 #include <linux/spi/spi.h>
161 #include <linux/spi/ads7846.h>
162
163
164 /* Only FPGA needs to be mapped here. All others are done with ioremap */
165 static struct map_desc innovator1510_io_desc[] __initdata = {
166 {
167 .virtual = OMAP1510_FPGA_BASE,
168 .pfn = __phys_to_pfn(OMAP1510_FPGA_START),
169 .length = OMAP1510_FPGA_SIZE,
170 .type = MT_DEVICE
171 }
172 };
173
174 static struct resource innovator1510_smc91x_resources[] = {
175 [0] = {
176 .start = OMAP1510_FPGA_ETHR_START, /* Physical */
177 .end = OMAP1510_FPGA_ETHR_START + 0xf,
178 .flags = IORESOURCE_MEM,
179 },
180 [1] = {
181 .start = OMAP1510_INT_ETHER,
182 .end = OMAP1510_INT_ETHER,
183 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
184 },
185 };
186
187 static struct platform_device innovator1510_smc91x_device = {
188 .name = "smc91x",
189 .id = 0,
190 .dev = {
191 .platform_data = &innovator_smc91x_info,
192 },
193 .num_resources = ARRAY_SIZE(innovator1510_smc91x_resources),
194 .resource = innovator1510_smc91x_resources,
195 };
196
197 static struct platform_device innovator1510_lcd_device = {
198 .name = "lcd_inn1510",
199 .id = -1,
200 };
201
202 static struct platform_device innovator1510_spi_device = {
203 .name = "spi_inn1510",
204 .id = -1,
205 };
206
207 static struct platform_device *innovator1510_devices[] __initdata = {
208 &innovator_flash_device,
209 &innovator1510_smc91x_device,
210 &innovator_kp_device,
211 &innovator1510_lcd_device,
212 &innovator1510_spi_device,
213 };
214
innovator_get_pendown_state(void)215 static int innovator_get_pendown_state(void)
216 {
217 return !(__raw_readb(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
218 }
219
220 static const struct ads7846_platform_data innovator1510_ts_info = {
221 .model = 7846,
222 .vref_delay_usecs = 100, /* internal, no capacitor */
223 .x_plate_ohms = 419,
224 .y_plate_ohms = 486,
225 .get_pendown_state = innovator_get_pendown_state,
226 };
227
228 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
229 /* FPGA (bus "10") CS0 has an ads7846e */
230 .modalias = "ads7846",
231 .platform_data = &innovator1510_ts_info,
232 .irq = OMAP1510_INT_FPGA_TS,
233 .max_speed_hz = 120000 /* max sample rate at 3V */
234 * 26 /* command + data + overhead */,
235 .bus_num = 10,
236 .chip_select = 0,
237 } };
238
239 #endif /* CONFIG_ARCH_OMAP15XX */
240
241 #ifdef CONFIG_ARCH_OMAP16XX
242
243 static struct resource innovator1610_smc91x_resources[] = {
244 [0] = {
245 .start = INNOVATOR1610_ETHR_START, /* Physical */
246 .end = INNOVATOR1610_ETHR_START + 0xf,
247 .flags = IORESOURCE_MEM,
248 },
249 [1] = {
250 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
251 },
252 };
253
254 static struct platform_device innovator1610_smc91x_device = {
255 .name = "smc91x",
256 .id = 0,
257 .dev = {
258 .platform_data = &innovator_smc91x_info,
259 },
260 .num_resources = ARRAY_SIZE(innovator1610_smc91x_resources),
261 .resource = innovator1610_smc91x_resources,
262 };
263
264 static struct platform_device innovator1610_lcd_device = {
265 .name = "inn1610_lcd",
266 .id = -1,
267 };
268
269 static struct platform_device *innovator1610_devices[] __initdata = {
270 &innovator_flash_device,
271 &innovator1610_smc91x_device,
272 &innovator_kp_device,
273 &innovator1610_lcd_device,
274 };
275
276 #endif /* CONFIG_ARCH_OMAP16XX */
277
innovator_init_smc91x(void)278 static void __init innovator_init_smc91x(void)
279 {
280 if (cpu_is_omap1510()) {
281 __raw_writeb(__raw_readb(OMAP1510_FPGA_RST) & ~1,
282 OMAP1510_FPGA_RST);
283 udelay(750);
284 } else {
285 if (gpio_request(0, "SMC91x irq") < 0) {
286 printk("Error requesting gpio 0 for smc91x irq\n");
287 return;
288 }
289 }
290 }
291
292 #ifdef CONFIG_ARCH_OMAP15XX
293 static struct omap_usb_config innovator1510_usb_config __initdata = {
294 /* for bundled non-standard host and peripheral cables */
295 .hmc_mode = 4,
296
297 .register_host = 1,
298 .pins[1] = 6,
299 .pins[2] = 6, /* Conflicts with UART2 */
300
301 .register_dev = 1,
302 .pins[0] = 2,
303 };
304
305 static const struct omap_lcd_config innovator1510_lcd_config __initconst = {
306 .ctrl_name = "internal",
307 };
308 #endif
309
310 #ifdef CONFIG_ARCH_OMAP16XX
311 static struct omap_usb_config h2_usb_config __initdata = {
312 /* usb1 has a Mini-AB port and external isp1301 transceiver */
313 .otg = 2,
314
315 #if IS_ENABLED(CONFIG_USB_OMAP)
316 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
317 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
318 #elif IS_ENABLED(CONFIG_USB_OHCI_HCD)
319 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
320 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
321 #endif
322
323 .pins[1] = 3,
324 };
325
326 static const struct omap_lcd_config innovator1610_lcd_config __initconst = {
327 .ctrl_name = "internal",
328 };
329 #endif
330
331 #if IS_ENABLED(CONFIG_MMC_OMAP)
332
mmc_set_power(struct device * dev,int slot,int power_on,int vdd)333 static int mmc_set_power(struct device *dev, int slot, int power_on,
334 int vdd)
335 {
336 if (power_on)
337 __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) | (1 << 3),
338 OMAP1510_FPGA_POWER);
339 else
340 __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) & ~(1 << 3),
341 OMAP1510_FPGA_POWER);
342
343 return 0;
344 }
345
346 /*
347 * Innovator could use the following functions tested:
348 * - mmc_get_wp that uses OMAP_MPUIO(3)
349 * - mmc_get_cover_state that uses FPGA F4 UIO43
350 */
351 static struct omap_mmc_platform_data mmc1_data = {
352 .nr_slots = 1,
353 .slots[0] = {
354 .set_power = mmc_set_power,
355 .wires = 4,
356 .name = "mmcblk",
357 },
358 };
359
360 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
361
innovator_mmc_init(void)362 static void __init innovator_mmc_init(void)
363 {
364 mmc_data[0] = &mmc1_data;
365 omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
366 }
367
368 #else
innovator_mmc_init(void)369 static inline void innovator_mmc_init(void)
370 {
371 }
372 #endif
373
innovator_init(void)374 static void __init innovator_init(void)
375 {
376 if (cpu_is_omap1510())
377 omap1510_fpga_init_irq();
378 innovator_init_smc91x();
379
380 #ifdef CONFIG_ARCH_OMAP15XX
381 if (cpu_is_omap1510()) {
382 unsigned char reg;
383
384 /* mux pins for uarts */
385 omap_cfg_reg(UART1_TX);
386 omap_cfg_reg(UART1_RTS);
387 omap_cfg_reg(UART2_TX);
388 omap_cfg_reg(UART2_RTS);
389 omap_cfg_reg(UART3_TX);
390 omap_cfg_reg(UART3_RX);
391
392 reg = __raw_readb(OMAP1510_FPGA_POWER);
393 reg |= OMAP1510_FPGA_PCR_COM1_EN;
394 __raw_writeb(reg, OMAP1510_FPGA_POWER);
395 udelay(10);
396
397 reg = __raw_readb(OMAP1510_FPGA_POWER);
398 reg |= OMAP1510_FPGA_PCR_COM2_EN;
399 __raw_writeb(reg, OMAP1510_FPGA_POWER);
400 udelay(10);
401
402 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
403 spi_register_board_info(innovator1510_boardinfo,
404 ARRAY_SIZE(innovator1510_boardinfo));
405 }
406 #endif
407 #ifdef CONFIG_ARCH_OMAP16XX
408 if (!cpu_is_omap1510()) {
409 innovator1610_smc91x_resources[1].start = gpio_to_irq(0);
410 innovator1610_smc91x_resources[1].end = gpio_to_irq(0);
411 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
412 }
413 #endif
414
415 #ifdef CONFIG_ARCH_OMAP15XX
416 if (cpu_is_omap1510()) {
417 omap1_usb_init(&innovator1510_usb_config);
418 omapfb_set_lcd_config(&innovator1510_lcd_config);
419 }
420 #endif
421 #ifdef CONFIG_ARCH_OMAP16XX
422 if (cpu_is_omap1610()) {
423 omap1_usb_init(&h2_usb_config);
424 omapfb_set_lcd_config(&innovator1610_lcd_config);
425 }
426 #endif
427 omap_serial_init();
428 omap_register_i2c_bus(1, 100, NULL, 0);
429 innovator_mmc_init();
430 }
431
432 /*
433 * REVISIT: Assume 15xx for now, we don't want to do revision check
434 * until later on. The right way to fix this is to set up a different
435 * machine_id for 16xx Innovator, or use device tree.
436 */
innovator_map_io(void)437 static void __init innovator_map_io(void)
438 {
439 #ifdef CONFIG_ARCH_OMAP15XX
440 omap15xx_map_io();
441
442 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
443 udelay(10); /* Delay needed for FPGA */
444
445 /* Dump the Innovator FPGA rev early - useful info for support. */
446 pr_debug("Innovator FPGA Rev %d.%d Board Rev %d\n",
447 __raw_readb(OMAP1510_FPGA_REV_HIGH),
448 __raw_readb(OMAP1510_FPGA_REV_LOW),
449 __raw_readb(OMAP1510_FPGA_BOARD_REV));
450 #endif
451 }
452
453 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
454 /* Maintainer: MontaVista Software, Inc. */
455 .atag_offset = 0x100,
456 .map_io = innovator_map_io,
457 .init_early = omap1_init_early,
458 .init_irq = omap1_init_irq,
459 .handle_irq = omap1_handle_irq,
460 .init_machine = innovator_init,
461 .init_late = omap1_init_late,
462 .init_time = omap1_timer_init,
463 .restart = omap1_restart,
464 MACHINE_END
465
