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