GNU Linux-libre 4.19.314-gnu1
[releases.git] / arch / arm / mach-omap1 / board-h3.c
1 /*
2  * linux/arch/arm/mach-omap1/board-h3.c
3  *
4  * This file contains OMAP1710 H3 specific code.
5  *
6  * Copyright (C) 2004 Texas Instruments, Inc.
7  * Copyright (C) 2002 MontaVista Software, Inc.
8  * Copyright (C) 2001 RidgeRun, Inc.
9  * Author: RidgeRun, Inc.
10  *         Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License version 2 as
14  * published by the Free Software Foundation.
15  */
16 #include <linux/gpio.h>
17 #include <linux/types.h>
18 #include <linux/init.h>
19 #include <linux/major.h>
20 #include <linux/kernel.h>
21 #include <linux/platform_device.h>
22 #include <linux/errno.h>
23 #include <linux/workqueue.h>
24 #include <linux/i2c.h>
25 #include <linux/mtd/mtd.h>
26 #include <linux/mtd/rawnand.h>
27 #include <linux/mtd/partitions.h>
28 #include <linux/mtd/physmap.h>
29 #include <linux/input.h>
30 #include <linux/spi/spi.h>
31 #include <linux/mfd/tps65010.h>
32 #include <linux/smc91x.h>
33 #include <linux/omapfb.h>
34 #include <linux/platform_data/gpio-omap.h>
35 #include <linux/leds.h>
36
37 #include <asm/setup.h>
38 #include <asm/page.h>
39 #include <asm/mach-types.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
42
43 #include <mach/mux.h>
44 #include <mach/tc.h>
45 #include <linux/platform_data/keypad-omap.h>
46 #include <linux/omap-dma.h>
47 #include "flash.h"
48
49 #include <mach/hardware.h>
50 #include <mach/irqs.h>
51 #include <mach/usb.h>
52
53 #include "common.h"
54 #include "board-h3.h"
55
56 /* In OMAP1710 H3 the Ethernet is directly connected to CS1 */
57 #define OMAP1710_ETHR_START             0x04000300
58
59 #define H3_TS_GPIO      48
60
61 static const unsigned int h3_keymap[] = {
62         KEY(0, 0, KEY_LEFT),
63         KEY(1, 0, KEY_RIGHT),
64         KEY(2, 0, KEY_3),
65         KEY(3, 0, KEY_F10),
66         KEY(4, 0, KEY_F5),
67         KEY(5, 0, KEY_9),
68         KEY(0, 1, KEY_DOWN),
69         KEY(1, 1, KEY_UP),
70         KEY(2, 1, KEY_2),
71         KEY(3, 1, KEY_F9),
72         KEY(4, 1, KEY_F7),
73         KEY(5, 1, KEY_0),
74         KEY(0, 2, KEY_ENTER),
75         KEY(1, 2, KEY_6),
76         KEY(2, 2, KEY_1),
77         KEY(3, 2, KEY_F2),
78         KEY(4, 2, KEY_F6),
79         KEY(5, 2, KEY_HOME),
80         KEY(0, 3, KEY_8),
81         KEY(1, 3, KEY_5),
82         KEY(2, 3, KEY_F12),
83         KEY(3, 3, KEY_F3),
84         KEY(4, 3, KEY_F8),
85         KEY(5, 3, KEY_END),
86         KEY(0, 4, KEY_7),
87         KEY(1, 4, KEY_4),
88         KEY(2, 4, KEY_F11),
89         KEY(3, 4, KEY_F1),
90         KEY(4, 4, KEY_F4),
91         KEY(5, 4, KEY_ESC),
92         KEY(0, 5, KEY_F13),
93         KEY(1, 5, KEY_F14),
94         KEY(2, 5, KEY_F15),
95         KEY(3, 5, KEY_F16),
96         KEY(4, 5, KEY_SLEEP),
97 };
98
99
100 static struct mtd_partition nor_partitions[] = {
101         /* bootloader (U-Boot, etc) in first sector */
102         {
103               .name             = "bootloader",
104               .offset           = 0,
105               .size             = SZ_128K,
106               .mask_flags       = MTD_WRITEABLE, /* force read-only */
107         },
108         /* bootloader params in the next sector */
109         {
110               .name             = "params",
111               .offset           = MTDPART_OFS_APPEND,
112               .size             = SZ_128K,
113               .mask_flags       = 0,
114         },
115         /* kernel */
116         {
117               .name             = "kernel",
118               .offset           = MTDPART_OFS_APPEND,
119               .size             = SZ_2M,
120               .mask_flags       = 0
121         },
122         /* file system */
123         {
124               .name             = "filesystem",
125               .offset           = MTDPART_OFS_APPEND,
126               .size             = MTDPART_SIZ_FULL,
127               .mask_flags       = 0
128         }
129 };
130
131 static struct physmap_flash_data nor_data = {
132         .width          = 2,
133         .set_vpp        = omap1_set_vpp,
134         .parts          = nor_partitions,
135         .nr_parts       = ARRAY_SIZE(nor_partitions),
136 };
137
138 static struct resource nor_resource = {
139         /* This is on CS3, wherever it's mapped */
140         .flags          = IORESOURCE_MEM,
141 };
142
143 static struct platform_device nor_device = {
144         .name           = "physmap-flash",
145         .id             = 0,
146         .dev            = {
147                 .platform_data  = &nor_data,
148         },
149         .num_resources  = 1,
150         .resource       = &nor_resource,
151 };
152
153 static struct mtd_partition nand_partitions[] = {
154 #if 0
155         /* REVISIT: enable these partitions if you make NAND BOOT work */
156         {
157                 .name           = "xloader",
158                 .offset         = 0,
159                 .size           = 64 * 1024,
160                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
161         },
162         {
163                 .name           = "bootloader",
164                 .offset         = MTDPART_OFS_APPEND,
165                 .size           = 256 * 1024,
166                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
167         },
168         {
169                 .name           = "params",
170                 .offset         = MTDPART_OFS_APPEND,
171                 .size           = 192 * 1024,
172         },
173         {
174                 .name           = "kernel",
175                 .offset         = MTDPART_OFS_APPEND,
176                 .size           = 2 * SZ_1M,
177         },
178 #endif
179         {
180                 .name           = "filesystem",
181                 .size           = MTDPART_SIZ_FULL,
182                 .offset         = MTDPART_OFS_APPEND,
183         },
184 };
185
186 #define H3_NAND_RB_GPIO_PIN     10
187
188 static int nand_dev_ready(struct mtd_info *mtd)
189 {
190         return gpio_get_value(H3_NAND_RB_GPIO_PIN);
191 }
192
193 static struct platform_nand_data nand_platdata = {
194         .chip   = {
195                 .nr_chips               = 1,
196                 .chip_offset            = 0,
197                 .nr_partitions          = ARRAY_SIZE(nand_partitions),
198                 .partitions             = nand_partitions,
199                 .options                = NAND_SAMSUNG_LP_OPTIONS,
200         },
201         .ctrl   = {
202                 .cmd_ctrl       = omap1_nand_cmd_ctl,
203                 .dev_ready      = nand_dev_ready,
204
205         },
206 };
207
208 static struct resource nand_resource = {
209         .flags          = IORESOURCE_MEM,
210 };
211
212 static struct platform_device nand_device = {
213         .name           = "gen_nand",
214         .id             = 0,
215         .dev            = {
216                 .platform_data  = &nand_platdata,
217         },
218         .num_resources  = 1,
219         .resource       = &nand_resource,
220 };
221
222 static struct smc91x_platdata smc91x_info = {
223         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
224         .leda   = RPC_LED_100_10,
225         .ledb   = RPC_LED_TX_RX,
226 };
227
228 static struct resource smc91x_resources[] = {
229         [0] = {
230                 .start  = OMAP1710_ETHR_START,          /* Physical */
231                 .end    = OMAP1710_ETHR_START + 0xf,
232                 .flags  = IORESOURCE_MEM,
233         },
234         [1] = {
235                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
236         },
237 };
238
239 static struct platform_device smc91x_device = {
240         .name           = "smc91x",
241         .id             = 0,
242         .dev    = {
243                 .platform_data  = &smc91x_info,
244         },
245         .num_resources  = ARRAY_SIZE(smc91x_resources),
246         .resource       = smc91x_resources,
247 };
248
249 static void __init h3_init_smc91x(void)
250 {
251         omap_cfg_reg(W15_1710_GPIO40);
252         if (gpio_request(40, "SMC91x irq") < 0) {
253                 printk("Error requesting gpio 40 for smc91x irq\n");
254                 return;
255         }
256 }
257
258 #define GPTIMER_BASE            0xFFFB1400
259 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
260 #define GPTIMER_REGS_SIZE       0x46
261
262 static struct resource intlat_resources[] = {
263         [0] = {
264                 .start  = GPTIMER_REGS(0),            /* Physical */
265                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
266                 .flags  = IORESOURCE_MEM,
267         },
268         [1] = {
269                 .start  = INT_1610_GPTIMER1,
270                 .end    = INT_1610_GPTIMER1,
271                 .flags  = IORESOURCE_IRQ,
272         },
273 };
274
275 static struct platform_device intlat_device = {
276         .name      = "omap_intlat",
277         .id          = 0,
278         .num_resources  = ARRAY_SIZE(intlat_resources),
279         .resource       = intlat_resources,
280 };
281
282 static struct resource h3_kp_resources[] = {
283         [0] = {
284                 .start  = INT_KEYBOARD,
285                 .end    = INT_KEYBOARD,
286                 .flags  = IORESOURCE_IRQ,
287         },
288 };
289
290 static const struct matrix_keymap_data h3_keymap_data = {
291         .keymap         = h3_keymap,
292         .keymap_size    = ARRAY_SIZE(h3_keymap),
293 };
294
295 static struct omap_kp_platform_data h3_kp_data = {
296         .rows           = 8,
297         .cols           = 8,
298         .keymap_data    = &h3_keymap_data,
299         .rep            = true,
300         .delay          = 9,
301         .dbounce        = true,
302 };
303
304 static struct platform_device h3_kp_device = {
305         .name           = "omap-keypad",
306         .id             = -1,
307         .dev            = {
308                 .platform_data = &h3_kp_data,
309         },
310         .num_resources  = ARRAY_SIZE(h3_kp_resources),
311         .resource       = h3_kp_resources,
312 };
313
314 static struct platform_device h3_lcd_device = {
315         .name           = "lcd_h3",
316         .id             = -1,
317 };
318
319 static struct spi_board_info h3_spi_board_info[] __initdata = {
320         [0] = {
321                 .modalias       = "tsc2101",
322                 .bus_num        = 2,
323                 .chip_select    = 0,
324                 .max_speed_hz   = 16000000,
325                 /* .platform_data       = &tsc_platform_data, */
326         },
327 };
328
329 static const struct gpio_led h3_gpio_led_pins[] = {
330         {
331                 .name           = "h3:red",
332                 .default_trigger = "heartbeat",
333                 .gpio           = 3,
334         },
335         {
336                 .name           = "h3:green",
337                 .default_trigger = "cpu0",
338                 .gpio           = OMAP_MPUIO(4),
339         },
340 };
341
342 static struct gpio_led_platform_data h3_gpio_led_data = {
343         .leds           = h3_gpio_led_pins,
344         .num_leds       = ARRAY_SIZE(h3_gpio_led_pins),
345 };
346
347 static struct platform_device h3_gpio_leds = {
348         .name   = "leds-gpio",
349         .id     = -1,
350         .dev    = {
351                 .platform_data = &h3_gpio_led_data,
352         },
353 };
354
355 static struct platform_device *devices[] __initdata = {
356         &nor_device,
357         &nand_device,
358         &smc91x_device,
359         &intlat_device,
360         &h3_kp_device,
361         &h3_lcd_device,
362         &h3_gpio_leds,
363 };
364
365 static struct omap_usb_config h3_usb_config __initdata = {
366         /* usb1 has a Mini-AB port and external isp1301 transceiver */
367         .otg        = 2,
368
369 #if IS_ENABLED(CONFIG_USB_OMAP)
370         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
371 #elif IS_ENABLED(CONFIG_USB_OHCI_HCD)
372         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
373         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
374 #endif
375
376         .pins[1]        = 3,
377 };
378
379 static const struct omap_lcd_config h3_lcd_config __initconst = {
380         .ctrl_name      = "internal",
381 };
382
383 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
384        {
385                 I2C_BOARD_INFO("tps65013", 0x48),
386        },
387         {
388                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
389         },
390 };
391
392 static void __init h3_init(void)
393 {
394         h3_init_smc91x();
395
396         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
397          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
398          * notice whether a NAND chip is enabled at probe time.
399          *
400          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
401          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
402          * to avoid probing every possible flash configuration...
403          */
404         nor_resource.end = nor_resource.start = omap_cs3_phys();
405         nor_resource.end += SZ_32M - 1;
406
407         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
408         nand_resource.end += SZ_4K - 1;
409         BUG_ON(gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0);
410         gpio_direction_input(H3_NAND_RB_GPIO_PIN);
411
412         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
413         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
414         omap_cfg_reg(V2_1710_GPIO10);
415
416         /* Mux pins for keypad */
417         omap_cfg_reg(F18_1610_KBC0);
418         omap_cfg_reg(D20_1610_KBC1);
419         omap_cfg_reg(D19_1610_KBC2);
420         omap_cfg_reg(E18_1610_KBC3);
421         omap_cfg_reg(C21_1610_KBC4);
422         omap_cfg_reg(G18_1610_KBR0);
423         omap_cfg_reg(F19_1610_KBR1);
424         omap_cfg_reg(H14_1610_KBR2);
425         omap_cfg_reg(E20_1610_KBR3);
426         omap_cfg_reg(E19_1610_KBR4);
427         omap_cfg_reg(N19_1610_KBR5);
428
429         /* GPIO based LEDs */
430         omap_cfg_reg(P18_1610_GPIO3);
431         omap_cfg_reg(MPUIO4);
432
433         smc91x_resources[1].start = gpio_to_irq(40);
434         smc91x_resources[1].end = gpio_to_irq(40);
435         platform_add_devices(devices, ARRAY_SIZE(devices));
436         h3_spi_board_info[0].irq = gpio_to_irq(H3_TS_GPIO);
437         spi_register_board_info(h3_spi_board_info,
438                                 ARRAY_SIZE(h3_spi_board_info));
439         omap_serial_init();
440         h3_i2c_board_info[1].irq = gpio_to_irq(14);
441         omap_register_i2c_bus(1, 100, h3_i2c_board_info,
442                               ARRAY_SIZE(h3_i2c_board_info));
443         omap1_usb_init(&h3_usb_config);
444         h3_mmc_init();
445
446         omapfb_set_lcd_config(&h3_lcd_config);
447 }
448
449 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
450         /* Maintainer: Texas Instruments, Inc. */
451         .atag_offset    = 0x100,
452         .map_io         = omap16xx_map_io,
453         .init_early     = omap1_init_early,
454         .init_irq       = omap1_init_irq,
455         .handle_irq     = omap1_handle_irq,
456         .init_machine   = h3_init,
457         .init_late      = omap1_init_late,
458         .init_time      = omap1_timer_init,
459         .restart        = omap1_restart,
460 MACHINE_END