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Tony Lindgren1dbae812005-11-10 14:26:51 +00001/*
Uwe Zeisbergerf30c2262006-10-03 23:01:26 +02002 * linux/arch/arm/mach-omap2/board-h4.c
Tony Lindgren1dbae812005-11-10 14:26:51 +00003 *
4 * Copyright (C) 2005 Nokia Corporation
5 * Author: Paul Mundt <paul.mundt@nokia.com>
6 *
7 * Modified from mach-omap/omap1/board-generic.c
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/platform_device.h>
17#include <linux/mtd/mtd.h>
18#include <linux/mtd/partitions.h>
Ladislav Michl561b0362010-02-15 10:03:32 -080019#include <linux/mtd/physmap.h>
Tony Lindgren1dbae812005-11-10 14:26:51 +000020#include <linux/delay.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010021#include <linux/workqueue.h>
Jean Delvare9df013b2008-10-14 17:30:02 +020022#include <linux/i2c.h>
David Brownell6a769ed2008-12-10 17:36:33 -080023#include <linux/i2c/at24.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010024#include <linux/input.h>
Paul Walmsley44595982008-03-18 10:04:51 +020025#include <linux/err.h>
26#include <linux/clk.h>
Russell Kingfced80c2008-09-06 12:10:45 +010027#include <linux/io.h>
Tony Lindgren1dbae812005-11-10 14:26:51 +000028
Russell Kinga09e64f2008-08-05 16:14:15 +010029#include <mach/hardware.h>
Tony Lindgren1dbae812005-11-10 14:26:51 +000030#include <asm/mach-types.h>
31#include <asm/mach/arch.h>
32#include <asm/mach/map.h>
Tony Lindgren1dbae812005-11-10 14:26:51 +000033
Russell Kinga09e64f2008-08-05 16:14:15 +010034#include <mach/gpio.h>
Tony Lindgrence491cf2009-10-20 09:40:47 -070035#include <plat/usb.h>
36#include <plat/board.h>
37#include <plat/common.h>
38#include <plat/keypad.h>
39#include <plat/menelaus.h>
40#include <plat/dma.h>
41#include <plat/gpmc.h>
Tony Lindgren1dbae812005-11-10 14:26:51 +000042
Tony Lindgren23275d42010-07-05 16:31:37 +030043#include "mux.h"
Paul Walmsley4814ced2010-10-08 11:40:20 -060044#include "control.h"
Tony Lindgren23275d42010-07-05 16:31:37 +030045
Paul Walmsley44595982008-03-18 10:04:51 +020046#define H4_FLASH_CS 0
47#define H4_SMC91X_CS 1
48
Tony Lindgren40662d772009-03-23 18:07:36 -070049#define H4_ETHR_GPIO_IRQ 92
50
Tony Lindgren9b6553c2006-04-02 17:46:30 +010051static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 };
52static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 };
53
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000054static const unsigned int h4_keymap[] = {
Tony Lindgren9b6553c2006-04-02 17:46:30 +010055 KEY(0, 0, KEY_LEFT),
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000056 KEY(1, 0, KEY_RIGHT),
57 KEY(2, 0, KEY_A),
58 KEY(3, 0, KEY_B),
59 KEY(4, 0, KEY_C),
60 KEY(0, 1, KEY_DOWN),
Tony Lindgren9b6553c2006-04-02 17:46:30 +010061 KEY(1, 1, KEY_UP),
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000062 KEY(2, 1, KEY_E),
63 KEY(3, 1, KEY_F),
64 KEY(4, 1, KEY_G),
65 KEY(0, 2, KEY_ENTER),
66 KEY(1, 2, KEY_I),
Tony Lindgren9b6553c2006-04-02 17:46:30 +010067 KEY(2, 2, KEY_J),
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000068 KEY(3, 2, KEY_K),
69 KEY(4, 2, KEY_3),
70 KEY(0, 3, KEY_M),
71 KEY(1, 3, KEY_N),
72 KEY(2, 3, KEY_O),
Tony Lindgren9b6553c2006-04-02 17:46:30 +010073 KEY(3, 3, KEY_P),
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000074 KEY(4, 3, KEY_Q),
75 KEY(0, 4, KEY_R),
76 KEY(1, 4, KEY_4),
77 KEY(2, 4, KEY_T),
78 KEY(3, 4, KEY_U),
Tony Lindgren9b6553c2006-04-02 17:46:30 +010079 KEY(4, 4, KEY_ENTER),
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000080 KEY(0, 5, KEY_V),
81 KEY(1, 5, KEY_W),
82 KEY(2, 5, KEY_L),
83 KEY(3, 5, KEY_S),
84 KEY(4, 5, KEY_ENTER),
Tony Lindgren9b6553c2006-04-02 17:46:30 +010085};
86
Tony Lindgren1dbae812005-11-10 14:26:51 +000087static struct mtd_partition h4_partitions[] = {
88 /* bootloader (U-Boot, etc) in first sector */
89 {
90 .name = "bootloader",
91 .offset = 0,
92 .size = SZ_128K,
93 .mask_flags = MTD_WRITEABLE, /* force read-only */
94 },
95 /* bootloader params in the next sector */
96 {
97 .name = "params",
98 .offset = MTDPART_OFS_APPEND,
99 .size = SZ_128K,
100 .mask_flags = 0,
101 },
102 /* kernel */
103 {
104 .name = "kernel",
105 .offset = MTDPART_OFS_APPEND,
106 .size = SZ_2M,
107 .mask_flags = 0
108 },
109 /* file system */
110 {
111 .name = "filesystem",
112 .offset = MTDPART_OFS_APPEND,
113 .size = MTDPART_SIZ_FULL,
114 .mask_flags = 0
115 }
116};
117
Ladislav Michl561b0362010-02-15 10:03:32 -0800118static struct physmap_flash_data h4_flash_data = {
Tony Lindgren1dbae812005-11-10 14:26:51 +0000119 .width = 2,
120 .parts = h4_partitions,
121 .nr_parts = ARRAY_SIZE(h4_partitions),
122};
123
124static struct resource h4_flash_resource = {
Tony Lindgren1dbae812005-11-10 14:26:51 +0000125 .flags = IORESOURCE_MEM,
126};
127
128static struct platform_device h4_flash_device = {
Ladislav Michl561b0362010-02-15 10:03:32 -0800129 .name = "physmap-flash",
Tony Lindgren1dbae812005-11-10 14:26:51 +0000130 .id = 0,
131 .dev = {
132 .platform_data = &h4_flash_data,
133 },
134 .num_resources = 1,
135 .resource = &h4_flash_resource,
136};
137
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +0000138static const struct matrix_keymap_data h4_keymap_data = {
139 .keymap = h4_keymap,
140 .keymap_size = ARRAY_SIZE(h4_keymap),
141};
142
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100143static struct omap_kp_platform_data h4_kp_data = {
144 .rows = 6,
145 .cols = 7,
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +0000146 .keymap_data = &h4_keymap_data,
147 .rep = true,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100148 .row_gpios = row_gpios,
149 .col_gpios = col_gpios,
150};
151
152static struct platform_device h4_kp_device = {
153 .name = "omap-keypad",
154 .id = -1,
155 .dev = {
156 .platform_data = &h4_kp_data,
157 },
158};
159
160static struct platform_device h4_lcd_device = {
161 .name = "lcd_h4",
162 .id = -1,
163};
164
Tony Lindgren1dbae812005-11-10 14:26:51 +0000165static struct platform_device *h4_devices[] __initdata = {
Tony Lindgren1dbae812005-11-10 14:26:51 +0000166 &h4_flash_device,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100167 &h4_kp_device,
168 &h4_lcd_device,
Tony Lindgren1dbae812005-11-10 14:26:51 +0000169};
170
Paul Walmsley44595982008-03-18 10:04:51 +0200171/* 2420 Sysboot setup (2430 is different) */
172static u32 get_sysboot_value(void)
173{
174 return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) &
175 (OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK |
176 OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK |
177 OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK));
178}
179
180/* H4-2420's always used muxed mode, H4-2422's always use non-muxed
181 *
182 * Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423
183 * correctly. The macro needs to look at production_id not just hawkeye.
184 */
185static u32 is_gpmc_muxed(void)
186{
187 u32 mux;
188 mux = get_sysboot_value();
189 if ((mux & 0xF) == 0xd)
190 return 1; /* NAND config (could be either) */
191 if (mux & 0x2) /* if mux'ed */
192 return 1;
193 else
194 return 0;
195}
196
David Brownellf6049312006-12-06 17:14:03 -0800197static inline void __init h4_init_debug(void)
Tony Lindgren1dbae812005-11-10 14:26:51 +0000198{
Paul Walmsley44595982008-03-18 10:04:51 +0200199 int eth_cs;
200 unsigned long cs_mem_base;
201 unsigned int muxed, rate;
202 struct clk *gpmc_fck;
203
204 eth_cs = H4_SMC91X_CS;
205
206 gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
207 if (IS_ERR(gpmc_fck)) {
208 WARN_ON(1);
209 return;
210 }
211
212 clk_enable(gpmc_fck);
213 rate = clk_get_rate(gpmc_fck);
214 clk_disable(gpmc_fck);
215 clk_put(gpmc_fck);
216
217 if (is_gpmc_muxed())
218 muxed = 0x200;
219 else
220 muxed = 0;
221
Tony Lindgren1dbae812005-11-10 14:26:51 +0000222 /* Make sure CS1 timings are correct */
Paul Walmsley44595982008-03-18 10:04:51 +0200223 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1,
224 0x00011000 | muxed);
225
226 if (rate >= 160000000) {
227 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
228 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
229 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
230 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
231 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
232 } else if (rate >= 130000000) {
233 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
234 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
235 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
236 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
237 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
238 } else {/* rate = 100000000 */
239 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
240 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
241 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
242 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
243 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
244 }
245
246 if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
247 printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
248 goto out;
249 }
250
Tony Lindgren1dbae812005-11-10 14:26:51 +0000251 udelay(100);
252
Tony Lindgrenf99bf162010-07-05 16:31:40 +0300253 omap_mux_init_gpio(92, 0);
Tony Lindgren40662d772009-03-23 18:07:36 -0700254 if (debug_card_init(cs_mem_base, H4_ETHR_GPIO_IRQ) < 0)
David Brownellf6049312006-12-06 17:14:03 -0800255 gpmc_cs_free(eth_cs);
Paul Walmsley44595982008-03-18 10:04:51 +0200256
257out:
258 clk_disable(gpmc_fck);
259 clk_put(gpmc_fck);
260}
261
262static void __init h4_init_flash(void)
263{
264 unsigned long base;
265
266 if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) {
267 printk("Can't request GPMC CS for flash\n");
268 return;
269 }
270 h4_flash_resource.start = base;
271 h4_flash_resource.end = base + SZ_64M - 1;
Tony Lindgren1dbae812005-11-10 14:26:51 +0000272}
273
Tony Lindgren1dbae812005-11-10 14:26:51 +0000274static struct omap_lcd_config h4_lcd_config __initdata = {
Tony Lindgren1dbae812005-11-10 14:26:51 +0000275 .ctrl_name = "internal",
276};
277
Felipe Balbib0b5aa32009-03-23 18:07:49 -0700278static struct omap_usb_config h4_usb_config __initdata = {
Felipe Balbib0b5aa32009-03-23 18:07:49 -0700279 /* S1.10 OFF -- usb "download port"
280 * usb0 switched to Mini-B port and isp1105 transceiver;
281 * S2.POS3 = ON, S2.POS4 = OFF ... to enable battery charging
282 */
283 .register_dev = 1,
284 .pins[0] = 3,
285/* .hmc_mode = 0x14,*/ /* 0:dev 1:host 2:disable */
286 .hmc_mode = 0x00, /* 0:dev|otg 1:disable 2:disable */
Felipe Balbib0b5aa32009-03-23 18:07:49 -0700287};
288
Bryan Wu1a6b5922010-12-08 02:41:25 +0000289static struct omap_board_config_kernel h4_config[] __initdata = {
Tony Lindgren1dbae812005-11-10 14:26:51 +0000290 { OMAP_TAG_LCD, &h4_lcd_config },
291};
292
Paul Walmsleyb3c6df32009-09-03 20:14:02 +0300293static void __init omap_h4_init_irq(void)
294{
295 omap_board_config = h4_config;
296 omap_board_config_size = ARRAY_SIZE(h4_config);
Paul Walmsley48057342010-12-21 15:25:10 -0700297 omap2_init_common_infrastructure();
298 omap2_init_common_devices(NULL, NULL);
Paul Walmsleyb3c6df32009-09-03 20:14:02 +0300299 omap_init_irq();
Paul Walmsleyb3c6df32009-09-03 20:14:02 +0300300 h4_init_flash();
301}
302
David Brownell6a769ed2008-12-10 17:36:33 -0800303static struct at24_platform_data m24c01 = {
304 .byte_len = SZ_1K / 8,
305 .page_size = 16,
306};
307
Jean Delvare9df013b2008-10-14 17:30:02 +0200308static struct i2c_board_info __initdata h4_i2c_board_info[] = {
309 {
310 I2C_BOARD_INFO("isp1301_omap", 0x2d),
311 .irq = OMAP_GPIO_IRQ(125),
312 },
David Brownell6a769ed2008-12-10 17:36:33 -0800313 { /* EEPROM on mainboard */
314 I2C_BOARD_INFO("24c01", 0x52),
315 .platform_data = &m24c01,
316 },
317 { /* EEPROM on cpu card */
318 I2C_BOARD_INFO("24c01", 0x57),
319 .platform_data = &m24c01,
320 },
Jean Delvare9df013b2008-10-14 17:30:02 +0200321};
322
Tony Lindgren23275d42010-07-05 16:31:37 +0300323#ifdef CONFIG_OMAP_MUX
324static struct omap_board_mux board_mux[] __initdata = {
325 { .reg_offset = OMAP_MUX_TERMINATOR },
326};
Tony Lindgren23275d42010-07-05 16:31:37 +0300327#endif
328
Tony Lindgren1dbae812005-11-10 14:26:51 +0000329static void __init omap_h4_init(void)
330{
Tony Lindgren23275d42010-07-05 16:31:37 +0300331 omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAF);
332
Tony Lindgren1dbae812005-11-10 14:26:51 +0000333 /*
334 * Make sure the serial ports are muxed on at this point.
335 * You have to mux them off in device drivers later on
336 * if not needed.
337 */
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100338
339#if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
Tony Lindgren93c43f22010-07-05 16:31:39 +0300340 omap_mux_init_gpio(88, OMAP_PULL_ENA | OMAP_PULL_UP);
341 omap_mux_init_gpio(89, OMAP_PULL_ENA | OMAP_PULL_UP);
342 omap_mux_init_gpio(124, OMAP_PULL_ENA | OMAP_PULL_UP);
343 omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100344 if (omap_has_menelaus()) {
Tony Lindgren93c43f22010-07-05 16:31:39 +0300345 omap_mux_init_signal("sdrc_a14.gpio0",
346 OMAP_PULL_ENA | OMAP_PULL_UP);
347 omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
348 omap_mux_init_signal("gpio_98", 0);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100349 row_gpios[5] = 0;
350 col_gpios[2] = 15;
351 col_gpios[6] = 18;
Tony Lindgren93c43f22010-07-05 16:31:39 +0300352 } else {
353 omap_mux_init_signal("gpio_96", OMAP_PULL_ENA | OMAP_PULL_UP);
354 omap_mux_init_signal("gpio_100", 0);
355 omap_mux_init_signal("gpio_98", 0);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100356 }
Tony Lindgren93c43f22010-07-05 16:31:39 +0300357 omap_mux_init_signal("gpio_90", 0);
358 omap_mux_init_signal("gpio_91", 0);
359 omap_mux_init_signal("gpio_36", 0);
360 omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0);
361 omap_mux_init_signal("gpio_97", 0);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100362#endif
363
Jean Delvare9df013b2008-10-14 17:30:02 +0200364 i2c_register_board_info(1, h4_i2c_board_info,
365 ARRAY_SIZE(h4_i2c_board_info));
366
Tony Lindgren1dbae812005-11-10 14:26:51 +0000367 platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
Tony Lindgrenb5e89052010-07-05 16:31:29 +0300368 omap2_usbfs_init(&h4_usb_config);
Tony Lindgren1dbae812005-11-10 14:26:51 +0000369 omap_serial_init();
370}
371
372static void __init omap_h4_map_io(void)
373{
Paul Walmsleyc8d2eb82008-05-07 16:55:13 -0700374 omap2_set_globals_242x();
Tony Lindgren6fbd55d2010-02-12 12:26:47 -0800375 omap242x_map_common_io();
Tony Lindgren1dbae812005-11-10 14:26:51 +0000376}
377
378MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
379 /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
Tony Lindgren1dbae812005-11-10 14:26:51 +0000380 .boot_params = 0x80000100,
381 .map_io = omap_h4_map_io,
Russell King71ee7da2010-05-23 10:18:16 +0100382 .reserve = omap_reserve,
Tony Lindgren1dbae812005-11-10 14:26:51 +0000383 .init_irq = omap_h4_init_irq,
384 .init_machine = omap_h4_init,
385 .timer = &omap_timer,
386MACHINE_END