1/*
2 * linux/arch/arm/mach-omap1/board-h2.c
3 *
4 * Board specific inits for OMAP-1610 H2
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 * H2 specific changes and cleanup
15 * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
16 *
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License version 2 as
19 * published by the Free Software Foundation.
20 */
21#include <linux/gpio.h>
22#include <linux/kernel.h>
23#include <linux/platform_device.h>
24#include <linux/delay.h>
25#include <linux/i2c.h>
26#include <linux/mtd/mtd.h>
27#include <linux/mtd/nand.h>
28#include <linux/mtd/partitions.h>
29#include <linux/mtd/physmap.h>
30#include <linux/input.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/mach-types.h>
38#include <asm/mach/arch.h>
39#include <asm/mach/map.h>
40
41#include <mach/mux.h>
42#include <linux/omap-dma.h>
43#include <mach/tc.h>
44#include <linux/platform_data/keypad-omap.h>
45#include <mach/flash.h>
46
47#include <mach/hardware.h>
48#include <mach/usb.h>
49
50#include "common.h"
51#include "board-h2.h"
52
53/* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
54#define OMAP1610_ETHR_START		0x04000300
55
56static const unsigned int h2_keymap[] = {
57	KEY(0, 0, KEY_LEFT),
58	KEY(1, 0, KEY_RIGHT),
59	KEY(2, 0, KEY_3),
60	KEY(3, 0, KEY_F10),
61	KEY(4, 0, KEY_F5),
62	KEY(5, 0, KEY_9),
63	KEY(0, 1, KEY_DOWN),
64	KEY(1, 1, KEY_UP),
65	KEY(2, 1, KEY_2),
66	KEY(3, 1, KEY_F9),
67	KEY(4, 1, KEY_F7),
68	KEY(5, 1, KEY_0),
69	KEY(0, 2, KEY_ENTER),
70	KEY(1, 2, KEY_6),
71	KEY(2, 2, KEY_1),
72	KEY(3, 2, KEY_F2),
73	KEY(4, 2, KEY_F6),
74	KEY(5, 2, KEY_HOME),
75	KEY(0, 3, KEY_8),
76	KEY(1, 3, KEY_5),
77	KEY(2, 3, KEY_F12),
78	KEY(3, 3, KEY_F3),
79	KEY(4, 3, KEY_F8),
80	KEY(5, 3, KEY_END),
81	KEY(0, 4, KEY_7),
82	KEY(1, 4, KEY_4),
83	KEY(2, 4, KEY_F11),
84	KEY(3, 4, KEY_F1),
85	KEY(4, 4, KEY_F4),
86	KEY(5, 4, KEY_ESC),
87	KEY(0, 5, KEY_F13),
88	KEY(1, 5, KEY_F14),
89	KEY(2, 5, KEY_F15),
90	KEY(3, 5, KEY_F16),
91	KEY(4, 5, KEY_SLEEP),
92};
93
94static struct mtd_partition h2_nor_partitions[] = {
95	/* bootloader (U-Boot, etc) in first sector */
96	{
97	      .name		= "bootloader",
98	      .offset		= 0,
99	      .size		= SZ_128K,
100	      .mask_flags	= MTD_WRITEABLE, /* force read-only */
101	},
102	/* bootloader params in the next sector */
103	{
104	      .name		= "params",
105	      .offset		= MTDPART_OFS_APPEND,
106	      .size		= SZ_128K,
107	      .mask_flags	= 0,
108	},
109	/* kernel */
110	{
111	      .name		= "kernel",
112	      .offset		= MTDPART_OFS_APPEND,
113	      .size		= SZ_2M,
114	      .mask_flags	= 0
115	},
116	/* file system */
117	{
118	      .name		= "filesystem",
119	      .offset		= MTDPART_OFS_APPEND,
120	      .size		= MTDPART_SIZ_FULL,
121	      .mask_flags	= 0
122	}
123};
124
125static struct physmap_flash_data h2_nor_data = {
126	.width		= 2,
127	.set_vpp	= omap1_set_vpp,
128	.parts		= h2_nor_partitions,
129	.nr_parts	= ARRAY_SIZE(h2_nor_partitions),
130};
131
132static struct resource h2_nor_resource = {
133	/* This is on CS3, wherever it's mapped */
134	.flags		= IORESOURCE_MEM,
135};
136
137static struct platform_device h2_nor_device = {
138	.name		= "physmap-flash",
139	.id		= 0,
140	.dev		= {
141		.platform_data	= &h2_nor_data,
142	},
143	.num_resources	= 1,
144	.resource	= &h2_nor_resource,
145};
146
147static struct mtd_partition h2_nand_partitions[] = {
148#if 0
149	/* REVISIT:  enable these partitions if you make NAND BOOT
150	 * work on your H2 (rev C or newer); published versions of
151	 * x-load only support P2 and H3.
152	 */
153	{
154		.name		= "xloader",
155		.offset		= 0,
156		.size		= 64 * 1024,
157		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
158	},
159	{
160		.name		= "bootloader",
161		.offset		= MTDPART_OFS_APPEND,
162		.size		= 256 * 1024,
163		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
164	},
165	{
166		.name		= "params",
167		.offset		= MTDPART_OFS_APPEND,
168		.size		= 192 * 1024,
169	},
170	{
171		.name		= "kernel",
172		.offset		= MTDPART_OFS_APPEND,
173		.size		= 2 * SZ_1M,
174	},
175#endif
176	{
177		.name		= "filesystem",
178		.size		= MTDPART_SIZ_FULL,
179		.offset		= MTDPART_OFS_APPEND,
180	},
181};
182
183#define H2_NAND_RB_GPIO_PIN	62
184
185static int h2_nand_dev_ready(struct mtd_info *mtd)
186{
187	return gpio_get_value(H2_NAND_RB_GPIO_PIN);
188}
189
190static struct platform_nand_data h2_nand_platdata = {
191	.chip	= {
192		.nr_chips		= 1,
193		.chip_offset		= 0,
194		.nr_partitions		= ARRAY_SIZE(h2_nand_partitions),
195		.partitions		= h2_nand_partitions,
196		.options		= NAND_SAMSUNG_LP_OPTIONS,
197	},
198	.ctrl	= {
199		.cmd_ctrl	= omap1_nand_cmd_ctl,
200		.dev_ready	= h2_nand_dev_ready,
201	},
202};
203
204static struct resource h2_nand_resource = {
205	.flags		= IORESOURCE_MEM,
206};
207
208static struct platform_device h2_nand_device = {
209	.name		= "gen_nand",
210	.id		= 0,
211	.dev		= {
212		.platform_data	= &h2_nand_platdata,
213	},
214	.num_resources	= 1,
215	.resource	= &h2_nand_resource,
216};
217
218static struct smc91x_platdata h2_smc91x_info = {
219	.flags	= SMC91X_USE_16BIT | SMC91X_NOWAIT,
220	.leda	= RPC_LED_100_10,
221	.ledb	= RPC_LED_TX_RX,
222};
223
224static struct resource h2_smc91x_resources[] = {
225	[0] = {
226		.start	= OMAP1610_ETHR_START,		/* Physical */
227		.end	= OMAP1610_ETHR_START + 0xf,
228		.flags	= IORESOURCE_MEM,
229	},
230	[1] = {
231		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
232	},
233};
234
235static struct platform_device h2_smc91x_device = {
236	.name		= "smc91x",
237	.id		= 0,
238	.dev	= {
239		.platform_data	= &h2_smc91x_info,
240	},
241	.num_resources	= ARRAY_SIZE(h2_smc91x_resources),
242	.resource	= h2_smc91x_resources,
243};
244
245static struct resource h2_kp_resources[] = {
246	[0] = {
247		.start	= INT_KEYBOARD,
248		.end	= INT_KEYBOARD,
249		.flags	= IORESOURCE_IRQ,
250	},
251};
252
253static const struct matrix_keymap_data h2_keymap_data = {
254	.keymap		= h2_keymap,
255	.keymap_size	= ARRAY_SIZE(h2_keymap),
256};
257
258static struct omap_kp_platform_data h2_kp_data = {
259	.rows		= 8,
260	.cols		= 8,
261	.keymap_data	= &h2_keymap_data,
262	.rep		= true,
263	.delay		= 9,
264	.dbounce	= true,
265};
266
267static struct platform_device h2_kp_device = {
268	.name		= "omap-keypad",
269	.id		= -1,
270	.dev		= {
271		.platform_data = &h2_kp_data,
272	},
273	.num_resources	= ARRAY_SIZE(h2_kp_resources),
274	.resource	= h2_kp_resources,
275};
276
277static struct gpio_led h2_gpio_led_pins[] = {
278	{
279		.name		= "h2:red",
280		.default_trigger = "heartbeat",
281		.gpio		= 3,
282	},
283	{
284		.name		= "h2:green",
285		.default_trigger = "cpu0",
286		.gpio		= OMAP_MPUIO(4),
287	},
288};
289
290static struct gpio_led_platform_data h2_gpio_led_data = {
291	.leds		= h2_gpio_led_pins,
292	.num_leds	= ARRAY_SIZE(h2_gpio_led_pins),
293};
294
295static struct platform_device h2_gpio_leds = {
296	.name	= "leds-gpio",
297	.id	= -1,
298	.dev	= {
299		.platform_data = &h2_gpio_led_data,
300	},
301};
302
303static struct platform_device *h2_devices[] __initdata = {
304	&h2_nor_device,
305	&h2_nand_device,
306	&h2_smc91x_device,
307	&h2_kp_device,
308	&h2_gpio_leds,
309};
310
311static void __init h2_init_smc91x(void)
312{
313	if (gpio_request(0, "SMC91x irq") < 0) {
314		printk("Error requesting gpio 0 for smc91x irq\n");
315		return;
316	}
317}
318
319static int tps_setup(struct i2c_client *client, void *context)
320{
321	if (!IS_BUILTIN(CONFIG_TPS65010))
322		return -ENOSYS;
323
324	tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
325				TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
326
327	return 0;
328}
329
330static struct tps65010_board tps_board = {
331	.base		= H2_TPS_GPIO_BASE,
332	.outmask	= 0x0f,
333	.setup		= tps_setup,
334};
335
336static struct i2c_board_info __initdata h2_i2c_board_info[] = {
337	{
338		I2C_BOARD_INFO("tps65010", 0x48),
339		.platform_data	= &tps_board,
340	}, {
341		I2C_BOARD_INFO("isp1301_omap", 0x2d),
342	},
343};
344
345static struct omap_usb_config h2_usb_config __initdata = {
346	/* usb1 has a Mini-AB port and external isp1301 transceiver */
347	.otg		= 2,
348
349#if IS_ENABLED(CONFIG_USB_OMAP)
350	.hmc_mode	= 19,	/* 0:host(off) 1:dev|otg 2:disabled */
351	/* .hmc_mode	= 21,*/	/* 0:host(off) 1:dev(loopback) 2:host(loopback) */
352#elif	defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
353	/* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
354	.hmc_mode	= 20,	/* 1:dev|otg(off) 1:host 2:disabled */
355#endif
356
357	.pins[1]	= 3,
358};
359
360static struct omap_lcd_config h2_lcd_config __initdata = {
361	.ctrl_name	= "internal",
362};
363
364static void __init h2_init(void)
365{
366	h2_init_smc91x();
367
368	/* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
369	 * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
370	 * notice whether a NAND chip is enabled at probe time.
371	 *
372	 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
373	 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
374	 * detecting that in code here, to avoid probing every possible flash
375	 * configuration...
376	 */
377	h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
378	h2_nor_resource.end += SZ_32M - 1;
379
380	h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
381	h2_nand_resource.end += SZ_4K - 1;
382	BUG_ON(gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0);
383	gpio_direction_input(H2_NAND_RB_GPIO_PIN);
384
385	omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
386	omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
387
388	/* MMC:  card detect and WP */
389	/* omap_cfg_reg(U19_ARMIO1); */		/* CD */
390	omap_cfg_reg(BALLOUT_V8_ARMIO3);	/* WP */
391
392	/* Mux pins for keypad */
393	omap_cfg_reg(F18_1610_KBC0);
394	omap_cfg_reg(D20_1610_KBC1);
395	omap_cfg_reg(D19_1610_KBC2);
396	omap_cfg_reg(E18_1610_KBC3);
397	omap_cfg_reg(C21_1610_KBC4);
398	omap_cfg_reg(G18_1610_KBR0);
399	omap_cfg_reg(F19_1610_KBR1);
400	omap_cfg_reg(H14_1610_KBR2);
401	omap_cfg_reg(E20_1610_KBR3);
402	omap_cfg_reg(E19_1610_KBR4);
403	omap_cfg_reg(N19_1610_KBR5);
404
405	/* GPIO based LEDs */
406	omap_cfg_reg(P18_1610_GPIO3);
407	omap_cfg_reg(MPUIO4);
408
409	h2_smc91x_resources[1].start = gpio_to_irq(0);
410	h2_smc91x_resources[1].end = gpio_to_irq(0);
411	platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
412	omap_serial_init();
413	h2_i2c_board_info[0].irq = gpio_to_irq(58);
414	h2_i2c_board_info[1].irq = gpio_to_irq(2);
415	omap_register_i2c_bus(1, 100, h2_i2c_board_info,
416			      ARRAY_SIZE(h2_i2c_board_info));
417	omap1_usb_init(&h2_usb_config);
418	h2_mmc_init();
419
420	omapfb_set_lcd_config(&h2_lcd_config);
421}
422
423MACHINE_START(OMAP_H2, "TI-H2")
424	/* Maintainer: Imre Deak <imre.deak@nokia.com> */
425	.atag_offset	= 0x100,
426	.map_io		= omap16xx_map_io,
427	.init_early     = omap1_init_early,
428	.init_irq	= omap1_init_irq,
429	.init_machine	= h2_init,
430	.init_late	= omap1_init_late,
431	.init_time	= omap1_timer_init,
432	.restart	= omap1_restart,
433MACHINE_END
434