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
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
30
31 #include <mach/mux.h>
32 #include "flash.h"
33 #include <mach/tc.h>
34 #include <linux/platform_data/keypad-omap.h>
35
36 #include <mach/hardware.h>
37 #include <mach/usb.h>
38
39 #include "iomap.h"
40 #include "common.h"
41 #include "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 !(__raw_readb(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 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
248 },
249 };
250
251 static struct platform_device innovator1610_smc91x_device = {
252 .name = "smc91x",
253 .id = 0,
254 .dev = {
255 .platform_data = &innovator_smc91x_info,
256 },
257 .num_resources = ARRAY_SIZE(innovator1610_smc91x_resources),
258 .resource = innovator1610_smc91x_resources,
259 };
260
261 static struct platform_device innovator1610_lcd_device = {
262 .name = "inn1610_lcd",
263 .id = -1,
264 };
265
266 static struct platform_device *innovator1610_devices[] __initdata = {
267 &innovator_flash_device,
268 &innovator1610_smc91x_device,
269 &innovator_kp_device,
270 &innovator1610_lcd_device,
271 };
272
273 #endif /* CONFIG_ARCH_OMAP16XX */
274
innovator_init_smc91x(void)275 static void __init innovator_init_smc91x(void)
276 {
277 if (cpu_is_omap1510()) {
278 __raw_writeb(__raw_readb(OMAP1510_FPGA_RST) & ~1,
279 OMAP1510_FPGA_RST);
280 udelay(750);
281 } else {
282 if (gpio_request(0, "SMC91x irq") < 0) {
283 printk("Error requesting gpio 0 for smc91x irq\n");
284 return;
285 }
286 }
287 }
288
289 #ifdef CONFIG_ARCH_OMAP15XX
290 static struct omap_usb_config innovator1510_usb_config __initdata = {
291 /* for bundled non-standard host and peripheral cables */
292 .hmc_mode = 4,
293
294 .register_host = 1,
295 .pins[1] = 6,
296 .pins[2] = 6, /* Conflicts with UART2 */
297
298 .register_dev = 1,
299 .pins[0] = 2,
300 };
301
302 static const struct omap_lcd_config innovator1510_lcd_config __initconst = {
303 .ctrl_name = "internal",
304 };
305 #endif
306
307 #ifdef CONFIG_ARCH_OMAP16XX
308 static struct omap_usb_config h2_usb_config __initdata = {
309 /* usb1 has a Mini-AB port and external isp1301 transceiver */
310 .otg = 2,
311
312 #if IS_ENABLED(CONFIG_USB_OMAP)
313 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
314 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
315 #elif IS_ENABLED(CONFIG_USB_OHCI_HCD)
316 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
317 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
318 #endif
319
320 .pins[1] = 3,
321 };
322
323 static const struct omap_lcd_config innovator1610_lcd_config __initconst = {
324 .ctrl_name = "internal",
325 };
326 #endif
327
328 #if IS_ENABLED(CONFIG_MMC_OMAP)
329
mmc_set_power(struct device * dev,int slot,int power_on,int vdd)330 static int mmc_set_power(struct device *dev, int slot, int power_on,
331 int vdd)
332 {
333 if (power_on)
334 __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) | (1 << 3),
335 OMAP1510_FPGA_POWER);
336 else
337 __raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) & ~(1 << 3),
338 OMAP1510_FPGA_POWER);
339
340 return 0;
341 }
342
343 /*
344 * Innovator could use the following functions tested:
345 * - mmc_get_wp that uses OMAP_MPUIO(3)
346 * - mmc_get_cover_state that uses FPGA F4 UIO43
347 */
348 static struct omap_mmc_platform_data mmc1_data = {
349 .nr_slots = 1,
350 .slots[0] = {
351 .set_power = mmc_set_power,
352 .wires = 4,
353 .name = "mmcblk",
354 },
355 };
356
357 static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
358
innovator_mmc_init(void)359 static void __init innovator_mmc_init(void)
360 {
361 mmc_data[0] = &mmc1_data;
362 omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
363 }
364
365 #else
innovator_mmc_init(void)366 static inline void innovator_mmc_init(void)
367 {
368 }
369 #endif
370
innovator_init(void)371 static void __init innovator_init(void)
372 {
373 if (cpu_is_omap1510())
374 omap1510_fpga_init_irq();
375 innovator_init_smc91x();
376
377 #ifdef CONFIG_ARCH_OMAP15XX
378 if (cpu_is_omap1510()) {
379 unsigned char reg;
380
381 /* mux pins for uarts */
382 omap_cfg_reg(UART1_TX);
383 omap_cfg_reg(UART1_RTS);
384 omap_cfg_reg(UART2_TX);
385 omap_cfg_reg(UART2_RTS);
386 omap_cfg_reg(UART3_TX);
387 omap_cfg_reg(UART3_RX);
388
389 reg = __raw_readb(OMAP1510_FPGA_POWER);
390 reg |= OMAP1510_FPGA_PCR_COM1_EN;
391 __raw_writeb(reg, OMAP1510_FPGA_POWER);
392 udelay(10);
393
394 reg = __raw_readb(OMAP1510_FPGA_POWER);
395 reg |= OMAP1510_FPGA_PCR_COM2_EN;
396 __raw_writeb(reg, OMAP1510_FPGA_POWER);
397 udelay(10);
398
399 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
400 spi_register_board_info(innovator1510_boardinfo,
401 ARRAY_SIZE(innovator1510_boardinfo));
402 }
403 #endif
404 #ifdef CONFIG_ARCH_OMAP16XX
405 if (!cpu_is_omap1510()) {
406 innovator1610_smc91x_resources[1].start = gpio_to_irq(0);
407 innovator1610_smc91x_resources[1].end = gpio_to_irq(0);
408 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
409 }
410 #endif
411
412 #ifdef CONFIG_ARCH_OMAP15XX
413 if (cpu_is_omap1510()) {
414 omap1_usb_init(&innovator1510_usb_config);
415 omapfb_set_lcd_config(&innovator1510_lcd_config);
416 }
417 #endif
418 #ifdef CONFIG_ARCH_OMAP16XX
419 if (cpu_is_omap1610()) {
420 omap1_usb_init(&h2_usb_config);
421 omapfb_set_lcd_config(&innovator1610_lcd_config);
422 }
423 #endif
424 omap_serial_init();
425 omap_register_i2c_bus(1, 100, NULL, 0);
426 innovator_mmc_init();
427 }
428
429 /*
430 * REVISIT: Assume 15xx for now, we don't want to do revision check
431 * until later on. The right way to fix this is to set up a different
432 * machine_id for 16xx Innovator, or use device tree.
433 */
innovator_map_io(void)434 static void __init innovator_map_io(void)
435 {
436 #ifdef CONFIG_ARCH_OMAP15XX
437 omap15xx_map_io();
438
439 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
440 udelay(10); /* Delay needed for FPGA */
441
442 /* Dump the Innovator FPGA rev early - useful info for support. */
443 pr_debug("Innovator FPGA Rev %d.%d Board Rev %d\n",
444 __raw_readb(OMAP1510_FPGA_REV_HIGH),
445 __raw_readb(OMAP1510_FPGA_REV_LOW),
446 __raw_readb(OMAP1510_FPGA_BOARD_REV));
447 #endif
448 }
449
450 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
451 /* Maintainer: MontaVista Software, Inc. */
452 .atag_offset = 0x100,
453 .map_io = innovator_map_io,
454 .init_early = omap1_init_early,
455 .init_irq = omap1_init_irq,
456 .handle_irq = omap1_handle_irq,
457 .init_machine = innovator_init,
458 .init_late = omap1_init_late,
459 .init_time = omap1_timer_init,
460 .restart = omap1_restart,
461 MACHINE_END
462