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/nand.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/i2c/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 <mach/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
61static 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
100static 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
131static 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
138static struct resource nor_resource = {
139	/* This is on CS3, wherever it's mapped */
140	.flags		= IORESOURCE_MEM,
141};
142
143static 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
153static 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
188static int nand_dev_ready(struct mtd_info *mtd)
189{
190	return gpio_get_value(H3_NAND_RB_GPIO_PIN);
191}
192
193static 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
208static struct resource nand_resource = {
209	.flags		= IORESOURCE_MEM,
210};
211
212static 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
222static 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
228static 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
239static 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
249static 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
262static 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
275static 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
282static struct resource h3_kp_resources[] = {
283	[0] = {
284		.start	= INT_KEYBOARD,
285		.end	= INT_KEYBOARD,
286		.flags	= IORESOURCE_IRQ,
287	},
288};
289
290static const struct matrix_keymap_data h3_keymap_data = {
291	.keymap		= h3_keymap,
292	.keymap_size	= ARRAY_SIZE(h3_keymap),
293};
294
295static 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
304static 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
314static struct platform_device h3_lcd_device = {
315	.name		= "lcd_h3",
316	.id		= -1,
317};
318
319static 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
329static 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
342static 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
347static 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
355static 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
365static 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  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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
379static struct omap_lcd_config h3_lcd_config __initdata = {
380	.ctrl_name	= "internal",
381};
382
383static 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
392static 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
449MACHINE_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,
460MACHINE_END
461