1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * linux/arch/arm/mach-omap1/board-innovator.c
4 *
5 * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
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 #include <linux/gpio.h>
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/platform_device.h>
19 #include <linux/delay.h>
20 #include <linux/mtd/mtd.h>
21 #include <linux/mtd/partitions.h>
22 #include <linux/mtd/physmap.h>
23 #include <linux/input.h>
24 #include <linux/smc91x.h>
25 #include <linux/omapfb.h>
26 #include <linux/platform_data/keypad-omap.h>
27
28 #include <asm/mach-types.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/map.h>
31
32 #include "tc.h"
33 #include "mux.h"
34 #include "flash.h"
35 #include "hardware.h"
36 #include "usb.h"
37 #include "iomap.h"
38 #include "common.h"
39 #include "mmc.h"
40
41 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
42 #define INNOVATOR1610_ETHR_START 0x04000300
43
44 static const unsigned int innovator_keymap[] = {
45 KEY(0, 0, KEY_F1),
46 KEY(3, 0, KEY_DOWN),
47 KEY(1, 1, KEY_F2),
48 KEY(2, 1, KEY_RIGHT),
49 KEY(0, 2, KEY_F3),
50 KEY(1, 2, KEY_F4),
51 KEY(2, 2, KEY_UP),
52 KEY(2, 3, KEY_ENTER),
53 KEY(3, 3, KEY_LEFT),
54 };
55
56 static struct mtd_partition innovator_partitions[] = {
57 /* bootloader (U-Boot, etc) in first sector */
58 {
59 .name = "bootloader",
60 .offset = 0,
61 .size = SZ_128K,
62 .mask_flags = MTD_WRITEABLE, /* force read-only */
63 },
64 /* bootloader params in the next sector */
65 {
66 .name = "params",
67 .offset = MTDPART_OFS_APPEND,
68 .size = SZ_128K,
69 .mask_flags = 0,
70 },
71 /* kernel */
72 {
73 .name = "kernel",
74 .offset = MTDPART_OFS_APPEND,
75 .size = SZ_2M,
76 .mask_flags = 0
77 },
78 /* rest of flash1 is a file system */
79 {
80 .name = "rootfs",
81 .offset = MTDPART_OFS_APPEND,
82 .size = SZ_16M - SZ_2M - 2 * SZ_128K,
83 .mask_flags = 0
84 },
85 /* file system */
86 {
87 .name = "filesystem",
88 .offset = MTDPART_OFS_APPEND,
89 .size = MTDPART_SIZ_FULL,
90 .mask_flags = 0
91 }
92 };
93
94 static struct physmap_flash_data innovator_flash_data = {
95 .width = 2,
96 .set_vpp = omap1_set_vpp,
97 .parts = innovator_partitions,
98 .nr_parts = ARRAY_SIZE(innovator_partitions),
99 };
100
101 static struct resource innovator_flash_resource = {
102 .start = OMAP_CS0_PHYS,
103 .end = OMAP_CS0_PHYS + SZ_32M - 1,
104 .flags = IORESOURCE_MEM,
105 };
106
107 static struct platform_device innovator_flash_device = {
108 .name = "physmap-flash",
109 .id = 0,
110 .dev = {
111 .platform_data = &innovator_flash_data,
112 },
113 .num_resources = 1,
114 .resource = &innovator_flash_resource,
115 };
116
117 static struct resource innovator_kp_resources[] = {
118 [0] = {
119 .start = INT_KEYBOARD,
120 .end = INT_KEYBOARD,
121 .flags = IORESOURCE_IRQ,
122 },
123 };
124
125 static const struct matrix_keymap_data innovator_keymap_data = {
126 .keymap = innovator_keymap,
127 .keymap_size = ARRAY_SIZE(innovator_keymap),
128 };
129
130 static struct omap_kp_platform_data innovator_kp_data = {
131 .rows = 8,
132 .cols = 8,
133 .keymap_data = &innovator_keymap_data,
134 .delay = 4,
135 };
136
137 static struct platform_device innovator_kp_device = {
138 .name = "omap-keypad",
139 .id = -1,
140 .dev = {
141 .platform_data = &innovator_kp_data,
142 },
143 .num_resources = ARRAY_SIZE(innovator_kp_resources),
144 .resource = innovator_kp_resources,
145 };
146
147 static struct smc91x_platdata innovator_smc91x_info = {
148 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
149 .leda = RPC_LED_100_10,
150 .ledb = RPC_LED_TX_RX,
151 };
152
153 #ifdef CONFIG_ARCH_OMAP15XX
154
155 #include <linux/spi/spi.h>
156 #include <linux/spi/ads7846.h>
157
158
159 /* Only FPGA needs to be mapped here. All others are done with ioremap */
160 static struct map_desc innovator1510_io_desc[] __initdata = {
161 {
162 .virtual = OMAP1510_FPGA_BASE,
163 .pfn = __phys_to_pfn(OMAP1510_FPGA_START),
164 .length = OMAP1510_FPGA_SIZE,
165 .type = MT_DEVICE
166 }
167 };
168
169 static struct resource innovator1510_smc91x_resources[] = {
170 [0] = {
171 .start = OMAP1510_FPGA_ETHR_START, /* Physical */
172 .end = OMAP1510_FPGA_ETHR_START + 0xf,
173 .flags = IORESOURCE_MEM,
174 },
175 [1] = {
176 .start = OMAP1510_INT_ETHER,
177 .end = OMAP1510_INT_ETHER,
178 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
179 },
180 };
181
182 static struct platform_device innovator1510_smc91x_device = {
183 .name = "smc91x",
184 .id = 0,
185 .dev = {
186 .platform_data = &innovator_smc91x_info,
187 },
188 .num_resources = ARRAY_SIZE(innovator1510_smc91x_resources),
189 .resource = innovator1510_smc91x_resources,
190 };
191
192 static struct platform_device innovator1510_lcd_device = {
193 .name = "lcd_inn1510",
194 .id = -1,
195 .dev = {
196 .platform_data = (void __force *)OMAP1510_FPGA_LCD_PANEL_CONTROL,
197 }
198 };
199
200 static struct platform_device innovator1510_spi_device = {
201 .name = "spi_inn1510",
202 .id = -1,
203 };
204
205 static struct platform_device *innovator1510_devices[] __initdata = {
206 &innovator_flash_device,
207 &innovator1510_smc91x_device,
208 &innovator_kp_device,
209 &innovator1510_lcd_device,
210 &innovator1510_spi_device,
211 };
212
innovator_get_pendown_state(void)213 static int innovator_get_pendown_state(void)
214 {
215 return !(__raw_readb(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
216 }
217
218 static const struct ads7846_platform_data innovator1510_ts_info = {
219 .model = 7846,
220 .vref_delay_usecs = 100, /* internal, no capacitor */
221 .x_plate_ohms = 419,
222 .y_plate_ohms = 486,
223 .get_pendown_state = innovator_get_pendown_state,
224 };
225
226 static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
227 /* FPGA (bus "10") CS0 has an ads7846e */
228 .modalias = "ads7846",
229 .platform_data = &innovator1510_ts_info,
230 .irq = OMAP1510_INT_FPGA_TS,
231 .max_speed_hz = 120000 /* max sample rate at 3V */
232 * 26 /* command + data + overhead */,
233 .bus_num = 10,
234 .chip_select = 0,
235 } };
236
237 #endif /* CONFIG_ARCH_OMAP15XX */
238
239 #ifdef CONFIG_ARCH_OMAP16XX
240
241 static struct resource innovator1610_smc91x_resources[] = {
242 [0] = {
243 .start = INNOVATOR1610_ETHR_START, /* Physical */
244 .end = INNOVATOR1610_ETHR_START + 0xf,
245 .flags = IORESOURCE_MEM,
246 },
247 [1] = {
248 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
249 },
250 };
251
252 static struct platform_device innovator1610_smc91x_device = {
253 .name = "smc91x",
254 .id = 0,
255 .dev = {
256 .platform_data = &innovator_smc91x_info,
257 },
258 .num_resources = ARRAY_SIZE(innovator1610_smc91x_resources),
259 .resource = innovator1610_smc91x_resources,
260 };
261
262 static struct platform_device innovator1610_lcd_device = {
263 .name = "inn1610_lcd",
264 .id = -1,
265 };
266
267 static struct platform_device *innovator1610_devices[] __initdata = {
268 &innovator_flash_device,
269 &innovator1610_smc91x_device,
270 &innovator_kp_device,
271 &innovator1610_lcd_device,
272 };
273
274 #endif /* CONFIG_ARCH_OMAP16XX */
275
innovator_init_smc91x(void)276 static void __init innovator_init_smc91x(void)
277 {
278 if (cpu_is_omap1510()) {
279 __raw_writeb(__raw_readb(OMAP1510_FPGA_RST) & ~1,
280 OMAP1510_FPGA_RST);
281 udelay(750);
282 } else {
283 if (gpio_request(0, "SMC91x irq") < 0) {
284 printk("Error requesting gpio 0 for smc91x irq\n");
285 return;
286 }
287 }
288 }
289
290 #ifdef CONFIG_ARCH_OMAP15XX
291 /*
292 * Board specific gang-switched transceiver power on/off.
293 */
innovator_omap_ohci_transceiver_power(int on)294 static int innovator_omap_ohci_transceiver_power(int on)
295 {
296 if (on)
297 __raw_writeb(__raw_readb(INNOVATOR_FPGA_CAM_USB_CONTROL)
298 | ((1 << 5/*usb1*/) | (1 << 3/*usb2*/)),
299 INNOVATOR_FPGA_CAM_USB_CONTROL);
300 else
301 __raw_writeb(__raw_readb(INNOVATOR_FPGA_CAM_USB_CONTROL)
302 & ~((1 << 5/*usb1*/) | (1 << 3/*usb2*/)),
303 INNOVATOR_FPGA_CAM_USB_CONTROL);
304
305 return 0;
306 }
307
308 static struct omap_usb_config innovator1510_usb_config __initdata = {
309 /* for bundled non-standard host and peripheral cables */
310 .hmc_mode = 4,
311
312 .register_host = 1,
313 .pins[1] = 6,
314 .pins[2] = 6, /* Conflicts with UART2 */
315
316 .register_dev = 1,
317 .pins[0] = 2,
318
319 .transceiver_power = innovator_omap_ohci_transceiver_power,
320 };
321
322 static const struct omap_lcd_config innovator1510_lcd_config __initconst = {
323 .ctrl_name = "internal",
324 };
325 #endif
326
327 #ifdef CONFIG_ARCH_OMAP16XX
328 static struct omap_usb_config h2_usb_config __initdata = {
329 /* usb1 has a Mini-AB port and external isp1301 transceiver */
330 .otg = 2,
331
332 #if IS_ENABLED(CONFIG_USB_OMAP)
333 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
334 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
335 #elif IS_ENABLED(CONFIG_USB_OHCI_HCD)
336 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
337 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
338 #endif
339
340 .pins[1] = 3,
341 };
342
343 static const struct omap_lcd_config innovator1610_lcd_config __initconst = {
344 .ctrl_name = "internal",
345 };
346 #endif
347
348 #if IS_ENABLED(CONFIG_MMC_OMAP)
349
mmc_set_power(struct device * dev,int slot,int power_on,int vdd)350 static int mmc_set_power(struct device *dev, int slot, int power_on,
351 int vdd)
352 {
353 if (power_on)
354 __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) | (1 << 3),
355 OMAP1510_FPGA_POWER);
356 else
357 __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) & ~(1 << 3),
358 OMAP1510_FPGA_POWER);
359
360 return 0;
361 }
362
363 /*
364 * Innovator could use the following functions tested:
365 * - mmc_get_wp that uses OMAP_MPUIO(3)
366 * - mmc_get_cover_state that uses FPGA F4 UIO43
367 */
368 static struct omap_mmc_platform_data mmc1_data = {
369 .nr_slots = 1,
370 .slots[0] = {
371 .set_power = mmc_set_power,
372 .wires = 4,
373 .name = "mmcblk",
374 },
375 };
376
377 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
378
innovator_mmc_init(void)379 static void __init innovator_mmc_init(void)
380 {
381 mmc_data[0] = &mmc1_data;
382 omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
383 }
384
385 #else
innovator_mmc_init(void)386 static inline void innovator_mmc_init(void)
387 {
388 }
389 #endif
390
innovator_init(void)391 static void __init innovator_init(void)
392 {
393 if (cpu_is_omap1510())
394 omap1510_fpga_init_irq();
395 innovator_init_smc91x();
396
397 #ifdef CONFIG_ARCH_OMAP15XX
398 if (cpu_is_omap1510()) {
399 unsigned char reg;
400
401 /* mux pins for uarts */
402 omap_cfg_reg(UART1_TX);
403 omap_cfg_reg(UART1_RTS);
404 omap_cfg_reg(UART2_TX);
405 omap_cfg_reg(UART2_RTS);
406 omap_cfg_reg(UART3_TX);
407 omap_cfg_reg(UART3_RX);
408
409 reg = __raw_readb(OMAP1510_FPGA_POWER);
410 reg |= OMAP1510_FPGA_PCR_COM1_EN;
411 __raw_writeb(reg, OMAP1510_FPGA_POWER);
412 udelay(10);
413
414 reg = __raw_readb(OMAP1510_FPGA_POWER);
415 reg |= OMAP1510_FPGA_PCR_COM2_EN;
416 __raw_writeb(reg, OMAP1510_FPGA_POWER);
417 udelay(10);
418
419 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
420 spi_register_board_info(innovator1510_boardinfo,
421 ARRAY_SIZE(innovator1510_boardinfo));
422 }
423 #endif
424 #ifdef CONFIG_ARCH_OMAP16XX
425 if (!cpu_is_omap1510()) {
426 innovator1610_smc91x_resources[1].start = gpio_to_irq(0);
427 innovator1610_smc91x_resources[1].end = gpio_to_irq(0);
428 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
429 }
430 #endif
431
432 #ifdef CONFIG_ARCH_OMAP15XX
433 if (cpu_is_omap1510()) {
434 omap1_usb_init(&innovator1510_usb_config);
435 omapfb_set_lcd_config(&innovator1510_lcd_config);
436 }
437 #endif
438 #ifdef CONFIG_ARCH_OMAP16XX
439 if (cpu_is_omap1610()) {
440 omap1_usb_init(&h2_usb_config);
441 omapfb_set_lcd_config(&innovator1610_lcd_config);
442 }
443 #endif
444 omap_serial_init();
445 omap_register_i2c_bus(1, 100, NULL, 0);
446 innovator_mmc_init();
447 }
448
449 /*
450 * REVISIT: Assume 15xx for now, we don't want to do revision check
451 * until later on. The right way to fix this is to set up a different
452 * machine_id for 16xx Innovator, or use device tree.
453 */
innovator_map_io(void)454 static void __init innovator_map_io(void)
455 {
456 #ifdef CONFIG_ARCH_OMAP15XX
457 omap15xx_map_io();
458
459 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
460 udelay(10); /* Delay needed for FPGA */
461
462 /* Dump the Innovator FPGA rev early - useful info for support. */
463 pr_debug("Innovator FPGA Rev %d.%d Board Rev %d\n",
464 __raw_readb(OMAP1510_FPGA_REV_HIGH),
465 __raw_readb(OMAP1510_FPGA_REV_LOW),
466 __raw_readb(OMAP1510_FPGA_BOARD_REV));
467 #endif
468 }
469
470 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
471 /* Maintainer: MontaVista Software, Inc. */
472 .atag_offset = 0x100,
473 .map_io = innovator_map_io,
474 .init_early = omap1_init_early,
475 .init_irq = omap1_init_irq,
476 .handle_irq = omap1_handle_irq,
477 .init_machine = innovator_init,
478 .init_late = omap1_init_late,
479 .init_time = omap1_timer_init,
480 .restart = omap1_restart,
481 MACHINE_END
482