GNU Linux-libre 4.19.314-gnu1
[releases.git] / arch / arm / mach-omap1 / board-innovator.c
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
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
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
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
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
369 static inline void innovator_mmc_init(void)
370 {
371 }
372 #endif
373
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  */
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