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
29 #include <mach/hardware.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33
34 #include <plat/mux.h>
35 #include <plat/flash.h>
36 #include <plat/fpga.h>
37 #include <plat/tc.h>
38 #include <plat/usb.h>
39 #include <plat/keypad.h>
40 #include "common.h"
41 #include <plat/mmc.h>
42
43 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
44 #define INNOVATOR1610_ETHR_START 0x04000300
45
46 static const unsigned int innovator_keymap[] = {
47 KEY(0, 0, KEY_F1),
48 KEY(3, 0, KEY_DOWN),
49 KEY(1, 1, KEY_F2),
50 KEY(2, 1, KEY_RIGHT),
51 KEY(0, 2, KEY_F3),
52 KEY(1, 2, KEY_F4),
53 KEY(2, 2, KEY_UP),
54 KEY(2, 3, KEY_ENTER),
55 KEY(3, 3, KEY_LEFT),
56 };
57
58 static struct mtd_partition innovator_partitions[] = {
59 /* bootloader (U-Boot, etc) in first sector */
60 {
61 .name = "bootloader",
62 .offset = 0,
63 .size = SZ_128K,
64 .mask_flags = MTD_WRITEABLE, /* force read-only */
65 },
66 /* bootloader params in the next sector */
67 {
68 .name = "params",
69 .offset = MTDPART_OFS_APPEND,
70 .size = SZ_128K,
71 .mask_flags = 0,
72 },
73 /* kernel */
74 {
75 .name = "kernel",
76 .offset = MTDPART_OFS_APPEND,
77 .size = SZ_2M,
78 .mask_flags = 0
79 },
80 /* rest of flash1 is a file system */
81 {
82 .name = "rootfs",
83 .offset = MTDPART_OFS_APPEND,
84 .size = SZ_16M - SZ_2M - 2 * SZ_128K,
85 .mask_flags = 0
86 },
87 /* file system */
88 {
89 .name = "filesystem",
90 .offset = MTDPART_OFS_APPEND,
91 .size = MTDPART_SIZ_FULL,
92 .mask_flags = 0
93 }
94 };
95
96 static struct physmap_flash_data innovator_flash_data = {
97 .width = 2,
98 .set_vpp = omap1_set_vpp,
99 .parts = innovator_partitions,
100 .nr_parts = ARRAY_SIZE(innovator_partitions),
101 };
102
103 static struct resource innovator_flash_resource = {
104 .start = OMAP_CS0_PHYS,
105 .end = OMAP_CS0_PHYS + SZ_32M - 1,
106 .flags = IORESOURCE_MEM,
107 };
108
109 static struct platform_device innovator_flash_device = {
110 .name = "physmap-flash",
111 .id = 0,
112 .dev = {
113 .platform_data = &innovator_flash_data,
114 },
115 .num_resources = 1,
116 .resource = &innovator_flash_resource,
117 };
118
119 static struct resource innovator_kp_resources[] = {
120 [0] = {
121 .start = INT_KEYBOARD,
122 .end = INT_KEYBOARD,
123 .flags = IORESOURCE_IRQ,
124 },
125 };
126
127 static const struct matrix_keymap_data innovator_keymap_data = {
128 .keymap = innovator_keymap,
129 .keymap_size = ARRAY_SIZE(innovator_keymap),
130 };
131
132 static struct omap_kp_platform_data innovator_kp_data = {
133 .rows = 8,
134 .cols = 8,
135 .keymap_data = &innovator_keymap_data,
136 .delay = 4,
137 };
138
139 static struct platform_device innovator_kp_device = {
140 .name = "omap-keypad",
141 .id = -1,
142 .dev = {
143 .platform_data = &innovator_kp_data,
144 },
145 .num_resources = ARRAY_SIZE(innovator_kp_resources),
146 .resource = innovator_kp_resources,
147 };
148
149 static struct smc91x_platdata innovator_smc91x_info = {
150 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
151 .leda = RPC_LED_100_10,
152 .ledb = RPC_LED_TX_RX,
153 };
154
155 #ifdef CONFIG_ARCH_OMAP15XX
156
157 #include <linux/spi/spi.h>
158 #include <linux/spi/ads7846.h>
159
160
161 /* Only FPGA needs to be mapped here. All others are done with ioremap */
162 static struct map_desc innovator1510_io_desc[] __initdata = {
163 {
164 .virtual = OMAP1510_FPGA_BASE,
165 .pfn = __phys_to_pfn(OMAP1510_FPGA_START),
166 .length = OMAP1510_FPGA_SIZE,
167 .type = MT_DEVICE
168 }
169 };
170
171 static struct resource innovator1510_smc91x_resources[] = {
172 [0] = {
173 .start = OMAP1510_FPGA_ETHR_START, /* Physical */
174 .end = OMAP1510_FPGA_ETHR_START + 0xf,
175 .flags = IORESOURCE_MEM,
176 },
177 [1] = {
178 .start = OMAP1510_INT_ETHER,
179 .end = OMAP1510_INT_ETHER,
180 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
181 },
182 };
183
184 static struct platform_device innovator1510_smc91x_device = {
185 .name = "smc91x",
186 .id = 0,
187 .dev = {
188 .platform_data = &innovator_smc91x_info,
189 },
190 .num_resources = ARRAY_SIZE(innovator1510_smc91x_resources),
191 .resource = innovator1510_smc91x_resources,
192 };
193
194 static struct platform_device innovator1510_lcd_device = {
195 .name = "lcd_inn1510",
196 .id = -1,
197 };
198
199 static struct platform_device innovator1510_spi_device = {
200 .name = "spi_inn1510",
201 .id = -1,
202 };
203
204 static struct platform_device *innovator1510_devices[] __initdata = {
205 &innovator_flash_device,
206 &innovator1510_smc91x_device,
207 &innovator_kp_device,
208 &innovator1510_lcd_device,
209 &innovator1510_spi_device,
210 };
211
innovator_get_pendown_state(void)212 static int innovator_get_pendown_state(void)
213 {
214 return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
215 }
216
217 static const struct ads7846_platform_data innovator1510_ts_info = {
218 .model = 7846,
219 .vref_delay_usecs = 100, /* internal, no capacitor */
220 .x_plate_ohms = 419,
221 .y_plate_ohms = 486,
222 .get_pendown_state = innovator_get_pendown_state,
223 };
224
225 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
226 /* FPGA (bus "10") CS0 has an ads7846e */
227 .modalias = "ads7846",
228 .platform_data = &innovator1510_ts_info,
229 .irq = OMAP1510_INT_FPGA_TS,
230 .max_speed_hz = 120000 /* max sample rate at 3V */
231 * 26 /* command + data + overhead */,
232 .bus_num = 10,
233 .chip_select = 0,
234 } };
235
236 #endif /* CONFIG_ARCH_OMAP15XX */
237
238 #ifdef CONFIG_ARCH_OMAP16XX
239
240 static struct resource innovator1610_smc91x_resources[] = {
241 [0] = {
242 .start = INNOVATOR1610_ETHR_START, /* Physical */
243 .end = INNOVATOR1610_ETHR_START + 0xf,
244 .flags = IORESOURCE_MEM,
245 },
246 [1] = {
247 .start = OMAP_GPIO_IRQ(0),
248 .end = OMAP_GPIO_IRQ(0),
249 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
250 },
251 };
252
253 static struct platform_device innovator1610_smc91x_device = {
254 .name = "smc91x",
255 .id = 0,
256 .dev = {
257 .platform_data = &innovator_smc91x_info,
258 },
259 .num_resources = ARRAY_SIZE(innovator1610_smc91x_resources),
260 .resource = innovator1610_smc91x_resources,
261 };
262
263 static struct platform_device innovator1610_lcd_device = {
264 .name = "inn1610_lcd",
265 .id = -1,
266 };
267
268 static struct platform_device *innovator1610_devices[] __initdata = {
269 &innovator_flash_device,
270 &innovator1610_smc91x_device,
271 &innovator_kp_device,
272 &innovator1610_lcd_device,
273 };
274
275 #endif /* CONFIG_ARCH_OMAP16XX */
276
innovator_init_smc91x(void)277 static void __init innovator_init_smc91x(void)
278 {
279 if (cpu_is_omap1510()) {
280 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
281 OMAP1510_FPGA_RST);
282 udelay(750);
283 } else {
284 if (gpio_request(0, "SMC91x irq") < 0) {
285 printk("Error requesting gpio 0 for smc91x irq\n");
286 return;
287 }
288 }
289 }
290
291 #ifdef CONFIG_ARCH_OMAP15XX
292 static struct omap_usb_config innovator1510_usb_config __initdata = {
293 /* for bundled non-standard host and peripheral cables */
294 .hmc_mode = 4,
295
296 .register_host = 1,
297 .pins[1] = 6,
298 .pins[2] = 6, /* Conflicts with UART2 */
299
300 .register_dev = 1,
301 .pins[0] = 2,
302 };
303
304 static struct omap_lcd_config innovator1510_lcd_config __initdata = {
305 .ctrl_name = "internal",
306 };
307 #endif
308
309 #ifdef CONFIG_ARCH_OMAP16XX
310 static struct omap_usb_config h2_usb_config __initdata = {
311 /* usb1 has a Mini-AB port and external isp1301 transceiver */
312 .otg = 2,
313
314 #ifdef CONFIG_USB_GADGET_OMAP
315 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
316 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
317 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
318 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
319 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
320 #endif
321
322 .pins[1] = 3,
323 };
324
325 static struct omap_lcd_config innovator1610_lcd_config __initdata = {
326 .ctrl_name = "internal",
327 };
328 #endif
329
330 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
331
mmc_set_power(struct device * dev,int slot,int power_on,int vdd)332 static int mmc_set_power(struct device *dev, int slot, int power_on,
333 int vdd)
334 {
335 if (power_on)
336 fpga_write(fpga_read(OMAP1510_FPGA_POWER) | (1 << 3),
337 OMAP1510_FPGA_POWER);
338 else
339 fpga_write(fpga_read(OMAP1510_FPGA_POWER) & ~(1 << 3),
340 OMAP1510_FPGA_POWER);
341
342 return 0;
343 }
344
345 /*
346 * Innovator could use the following functions tested:
347 * - mmc_get_wp that uses OMAP_MPUIO(3)
348 * - mmc_get_cover_state that uses FPGA F4 UIO43
349 */
350 static struct omap_mmc_platform_data mmc1_data = {
351 .nr_slots = 1,
352 .slots[0] = {
353 .set_power = mmc_set_power,
354 .wires = 4,
355 .name = "mmcblk",
356 },
357 };
358
359 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
360
innovator_mmc_init(void)361 static void __init innovator_mmc_init(void)
362 {
363 mmc_data[0] = &mmc1_data;
364 omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
365 }
366
367 #else
innovator_mmc_init(void)368 static inline void innovator_mmc_init(void)
369 {
370 }
371 #endif
372
373 static struct omap_board_config_kernel innovator_config[] = {
374 { OMAP_TAG_LCD, NULL },
375 };
376
innovator_init(void)377 static void __init innovator_init(void)
378 {
379 if (cpu_is_omap1510())
380 omap1510_fpga_init_irq();
381 innovator_init_smc91x();
382
383 #ifdef CONFIG_ARCH_OMAP15XX
384 if (cpu_is_omap1510()) {
385 unsigned char reg;
386
387 /* mux pins for uarts */
388 omap_cfg_reg(UART1_TX);
389 omap_cfg_reg(UART1_RTS);
390 omap_cfg_reg(UART2_TX);
391 omap_cfg_reg(UART2_RTS);
392 omap_cfg_reg(UART3_TX);
393 omap_cfg_reg(UART3_RX);
394
395 reg = fpga_read(OMAP1510_FPGA_POWER);
396 reg |= OMAP1510_FPGA_PCR_COM1_EN;
397 fpga_write(reg, OMAP1510_FPGA_POWER);
398 udelay(10);
399
400 reg = fpga_read(OMAP1510_FPGA_POWER);
401 reg |= OMAP1510_FPGA_PCR_COM2_EN;
402 fpga_write(reg, OMAP1510_FPGA_POWER);
403 udelay(10);
404
405 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
406 spi_register_board_info(innovator1510_boardinfo,
407 ARRAY_SIZE(innovator1510_boardinfo));
408 }
409 #endif
410 #ifdef CONFIG_ARCH_OMAP16XX
411 if (!cpu_is_omap1510()) {
412 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
413 }
414 #endif
415
416 #ifdef CONFIG_ARCH_OMAP15XX
417 if (cpu_is_omap1510()) {
418 omap1_usb_init(&innovator1510_usb_config);
419 innovator_config[0].data = &innovator1510_lcd_config;
420 }
421 #endif
422 #ifdef CONFIG_ARCH_OMAP16XX
423 if (cpu_is_omap1610()) {
424 omap1_usb_init(&h2_usb_config);
425 innovator_config[0].data = &innovator1610_lcd_config;
426 }
427 #endif
428 omap_board_config = innovator_config;
429 omap_board_config_size = ARRAY_SIZE(innovator_config);
430 omap_serial_init();
431 omap_register_i2c_bus(1, 100, NULL, 0);
432 innovator_mmc_init();
433 }
434
435 /*
436 * REVISIT: Assume 15xx for now, we don't want to do revision check
437 * until later on. The right way to fix this is to set up a different
438 * machine_id for 16xx Innovator, or use device tree.
439 */
innovator_map_io(void)440 static void __init innovator_map_io(void)
441 {
442 omap15xx_map_io();
443
444 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
445 udelay(10); /* Delay needed for FPGA */
446
447 /* Dump the Innovator FPGA rev early - useful info for support. */
448 pr_debug("Innovator FPGA Rev %d.%d Board Rev %d\n",
449 fpga_read(OMAP1510_FPGA_REV_HIGH),
450 fpga_read(OMAP1510_FPGA_REV_LOW),
451 fpga_read(OMAP1510_FPGA_BOARD_REV));
452 }
453
454 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
455 /* Maintainer: MontaVista Software, Inc. */
456 .atag_offset = 0x100,
457 .map_io = innovator_map_io,
458 .init_early = omap1_init_early,
459 .reserve = omap_reserve,
460 .init_irq = omap1_init_irq,
461 .init_machine = innovator_init,
462 .timer = &omap1_timer,
463 .restart = omap1_restart,
464 MACHINE_END
465