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Tony Lindgren9b6553c2006-04-02 17:46:30 +01001/*
Uwe Zeisbergerf30c2262006-10-03 23:01:26 +02002 * linux/arch/arm/mach-omap2/board-apollon.c
Tony Lindgren9b6553c2006-04-02 17:46:30 +01003 *
4 * Copyright (C) 2005,2006 Samsung Electronics
5 * Author: Kyungmin Park <kyungmin.park@samsung.com>
6 *
7 * Modified from mach-omap/omap2/board-h4.c
8 *
9 * Code for apollon OMAP2 board. Should work on many OMAP2 systems where
10 * the bootloader passes the board-specific data to the kernel.
11 * Do not put any board specific code to this file; create a new machine
12 * type if you need custom low-level initializations.
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
19#include <linux/kernel.h>
20#include <linux/init.h>
21#include <linux/platform_device.h>
22#include <linux/mtd/mtd.h>
23#include <linux/mtd/partitions.h>
24#include <linux/mtd/onenand.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010025#include <linux/delay.h>
Kyungmin Parkf0248402006-12-06 17:13:53 -080026#include <linux/leds.h>
Paul Walmsley44595982008-03-18 10:04:51 +020027#include <linux/err.h>
28#include <linux/clk.h>
Ladislav Michl3bc48012009-12-11 16:16:33 -080029#include <linux/smc91x.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010030
Russell Kinga09e64f2008-08-05 16:14:15 +010031#include <mach/hardware.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010032#include <asm/mach-types.h>
33#include <asm/mach/arch.h>
34#include <asm/mach/flash.h>
35
Russell Kinga09e64f2008-08-05 16:14:15 +010036#include <mach/gpio.h>
Tony Lindgrence491cf2009-10-20 09:40:47 -070037#include <plat/led.h>
Tony Lindgrence491cf2009-10-20 09:40:47 -070038#include <plat/usb.h>
39#include <plat/board.h>
40#include <plat/common.h>
41#include <plat/gpmc.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010042
Tony Lindgrenb52b14e2010-07-05 16:31:37 +030043#include "mux.h"
Paul Walmsley4814ced2010-10-08 11:40:20 -060044#include "control.h"
Tony Lindgrenb52b14e2010-07-05 16:31:37 +030045
Tony Lindgren9b6553c2006-04-02 17:46:30 +010046/* LED & Switch macros */
47#define LED0_GPIO13 13
48#define LED1_GPIO14 14
49#define LED2_GPIO15 15
50#define SW_ENTER_GPIO16 16
51#define SW_UP_GPIO17 17
52#define SW_DOWN_GPIO58 58
53
Kyungmin Parkf0248402006-12-06 17:13:53 -080054#define APOLLON_FLASH_CS 0
55#define APOLLON_ETH_CS 1
Tony Lindgren70554772009-03-23 18:07:35 -070056#define APOLLON_ETHR_GPIO_IRQ 74
Kyungmin Parkf0248402006-12-06 17:13:53 -080057
Tony Lindgren9b6553c2006-04-02 17:46:30 +010058static struct mtd_partition apollon_partitions[] = {
59 {
60 .name = "X-Loader + U-Boot",
61 .offset = 0,
62 .size = SZ_128K,
63 .mask_flags = MTD_WRITEABLE,
64 },
65 {
66 .name = "params",
67 .offset = MTDPART_OFS_APPEND,
68 .size = SZ_128K,
69 },
70 {
71 .name = "kernel",
72 .offset = MTDPART_OFS_APPEND,
73 .size = SZ_2M,
74 },
75 {
76 .name = "rootfs",
77 .offset = MTDPART_OFS_APPEND,
78 .size = SZ_16M,
79 },
80 {
81 .name = "filesystem00",
82 .offset = MTDPART_OFS_APPEND,
83 .size = SZ_32M,
84 },
85 {
86 .name = "filesystem01",
87 .offset = MTDPART_OFS_APPEND,
88 .size = MTDPART_SIZ_FULL,
89 },
90};
91
Magnus Damm778dbcc2009-09-18 12:51:44 -070092static struct onenand_platform_data apollon_flash_data = {
Tony Lindgren9b6553c2006-04-02 17:46:30 +010093 .parts = apollon_partitions,
94 .nr_parts = ARRAY_SIZE(apollon_partitions),
95};
96
Kyungmin Parkf0248402006-12-06 17:13:53 -080097static struct resource apollon_flash_resource[] = {
98 [0] = {
99 .flags = IORESOURCE_MEM,
100 },
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100101};
102
103static struct platform_device apollon_onenand_device = {
Magnus Damm778dbcc2009-09-18 12:51:44 -0700104 .name = "onenand-flash",
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100105 .id = -1,
106 .dev = {
107 .platform_data = &apollon_flash_data,
108 },
Kyungmin Parkf0248402006-12-06 17:13:53 -0800109 .num_resources = ARRAY_SIZE(apollon_flash_resource),
110 .resource = apollon_flash_resource,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100111};
112
Kyungmin Parkf0248402006-12-06 17:13:53 -0800113static void __init apollon_flash_init(void)
114{
115 unsigned long base;
116
117 if (gpmc_cs_request(APOLLON_FLASH_CS, SZ_128K, &base) < 0) {
118 printk(KERN_ERR "Cannot request OneNAND GPMC CS\n");
119 return;
120 }
121 apollon_flash_resource[0].start = base;
122 apollon_flash_resource[0].end = base + SZ_128K - 1;
123}
124
Ladislav Michl3bc48012009-12-11 16:16:33 -0800125static struct smc91x_platdata appolon_smc91x_info = {
126 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
127 .leda = RPC_LED_100_10,
128 .ledb = RPC_LED_TX_RX,
129};
130
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100131static struct resource apollon_smc91x_resources[] = {
132 [0] = {
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100133 .flags = IORESOURCE_MEM,
134 },
135 [1] = {
136 .start = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
137 .end = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
Russell Kinge7b3dc72008-01-14 22:30:10 +0000138 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100139 },
140};
141
142static struct platform_device apollon_smc91x_device = {
143 .name = "smc91x",
144 .id = -1,
Ladislav Michl3bc48012009-12-11 16:16:33 -0800145 .dev = {
146 .platform_data = &appolon_smc91x_info,
147 },
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100148 .num_resources = ARRAY_SIZE(apollon_smc91x_resources),
149 .resource = apollon_smc91x_resources,
150};
151
152static struct platform_device apollon_lcd_device = {
153 .name = "apollon_lcd",
154 .id = -1,
155};
156
Kyungmin Parkf0248402006-12-06 17:13:53 -0800157static struct omap_led_config apollon_led_config[] = {
158 {
159 .cdev = {
160 .name = "apollon:led0",
161 },
162 .gpio = LED0_GPIO13,
163 },
164 {
165 .cdev = {
166 .name = "apollon:led1",
167 },
168 .gpio = LED1_GPIO14,
169 },
170 {
171 .cdev = {
172 .name = "apollon:led2",
173 },
174 .gpio = LED2_GPIO15,
175 },
176};
177
178static struct omap_led_platform_data apollon_led_data = {
179 .nr_leds = ARRAY_SIZE(apollon_led_config),
180 .leds = apollon_led_config,
181};
182
183static struct platform_device apollon_led_device = {
184 .name = "omap-led",
185 .id = -1,
186 .dev = {
187 .platform_data = &apollon_led_data,
188 },
189};
190
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100191static struct platform_device *apollon_devices[] __initdata = {
192 &apollon_onenand_device,
193 &apollon_smc91x_device,
194 &apollon_lcd_device,
Kyungmin Parkf0248402006-12-06 17:13:53 -0800195 &apollon_led_device,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100196};
197
198static inline void __init apollon_init_smc91x(void)
199{
Kyungmin Parkf0248402006-12-06 17:13:53 -0800200 unsigned long base;
201
Paul Walmsley44595982008-03-18 10:04:51 +0200202 unsigned int rate;
203 struct clk *gpmc_fck;
204 int eth_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
215 eth_cs = APOLLON_ETH_CS;
216
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100217 /* Make sure CS1 timings are correct */
Paul Walmsley44595982008-03-18 10:04:51 +0200218 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
219
220 if (rate >= 160000000) {
221 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
222 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
223 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
224 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
225 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
226 } else if (rate >= 130000000) {
227 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
228 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
229 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
230 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
231 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
232 } else {/* rate = 100000000 */
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, 0x031A1F1F);
237 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
238 }
Kyungmin Parkf0248402006-12-06 17:13:53 -0800239
240 if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
241 printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
Paul Walmsley44595982008-03-18 10:04:51 +0200242 goto out;
Kyungmin Parkf0248402006-12-06 17:13:53 -0800243 }
244 apollon_smc91x_resources[0].start = base + 0x300;
245 apollon_smc91x_resources[0].end = base + 0x30f;
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100246 udelay(100);
247
Tony Lindgrenf99bf162010-07-05 16:31:40 +0300248 omap_mux_init_gpio(74, 0);
Jarkko Nikulaf2d18fe2008-12-10 17:35:30 -0800249 if (gpio_request(APOLLON_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100250 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
251 APOLLON_ETHR_GPIO_IRQ);
Kyungmin Parkf0248402006-12-06 17:13:53 -0800252 gpmc_cs_free(APOLLON_ETH_CS);
Paul Walmsley44595982008-03-18 10:04:51 +0200253 goto out;
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100254 }
David Brownell40e39252008-12-10 17:35:26 -0800255 gpio_direction_input(APOLLON_ETHR_GPIO_IRQ);
Paul Walmsley44595982008-03-18 10:04:51 +0200256
257out:
258 clk_disable(gpmc_fck);
259 clk_put(gpmc_fck);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100260}
261
Kyungmin Parkf0248402006-12-06 17:13:53 -0800262static struct omap_usb_config apollon_usb_config __initdata = {
263 .register_dev = 1,
264 .hmc_mode = 0x14, /* 0:dev 1:host1 2:disable */
265
266 .pins[0] = 6,
267};
268
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100269static struct omap_lcd_config apollon_lcd_config __initdata = {
270 .ctrl_name = "internal",
271};
272
Bryan Wu1a6b5922010-12-08 02:41:25 +0000273static struct omap_board_config_kernel apollon_config[] __initdata = {
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100274 { OMAP_TAG_LCD, &apollon_lcd_config },
275};
276
Russell King - ARM Linux3dc3bad2011-02-14 15:40:20 -0800277static void __init omap_apollon_init_early(void)
Paul Walmsleyb3c6df32009-09-03 20:14:02 +0300278{
Paul Walmsley48057342010-12-21 15:25:10 -0700279 omap2_init_common_infrastructure();
280 omap2_init_common_devices(NULL, NULL);
Paul Walmsleyb3c6df32009-09-03 20:14:02 +0300281}
282
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100283static void __init apollon_led_init(void)
284{
285 /* LED0 - AA10 */
Tony Lindgrenf99bf162010-07-05 16:31:40 +0300286 omap_mux_init_signal("vlynq_clk.gpio_13", 0);
Jarkko Nikula73069e32009-01-15 13:09:52 +0200287 gpio_request(LED0_GPIO13, "LED0");
288 gpio_direction_output(LED0_GPIO13, 0);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100289 /* LED1 - AA6 */
Tony Lindgrenf99bf162010-07-05 16:31:40 +0300290 omap_mux_init_signal("vlynq_rx1.gpio_14", 0);
Jarkko Nikula73069e32009-01-15 13:09:52 +0200291 gpio_request(LED1_GPIO14, "LED1");
292 gpio_direction_output(LED1_GPIO14, 0);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100293 /* LED2 - AA4 */
Tony Lindgrenf99bf162010-07-05 16:31:40 +0300294 omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
Jarkko Nikula73069e32009-01-15 13:09:52 +0200295 gpio_request(LED2_GPIO15, "LED2");
296 gpio_direction_output(LED2_GPIO15, 0);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100297}
298
Kyungmin Parkf0248402006-12-06 17:13:53 -0800299static void __init apollon_usb_init(void)
300{
301 /* USB device */
302 /* DEVICE_SUSPEND */
Tony Lindgrenf99bf162010-07-05 16:31:40 +0300303 omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0);
Jarkko Nikulaf2d18fe2008-12-10 17:35:30 -0800304 gpio_request(12, "USB suspend");
David Brownelle918edf2008-12-10 17:35:26 -0800305 gpio_direction_output(12, 0);
Tony Lindgrenb5e89052010-07-05 16:31:29 +0300306 omap2_usbfs_init(&apollon_usb_config);
Kyungmin Parkf0248402006-12-06 17:13:53 -0800307}
308
Tony Lindgrenb52b14e2010-07-05 16:31:37 +0300309#ifdef CONFIG_OMAP_MUX
310static struct omap_board_mux board_mux[] __initdata = {
311 { .reg_offset = OMAP_MUX_TERMINATOR },
312};
Tony Lindgrenb52b14e2010-07-05 16:31:37 +0300313#endif
314
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100315static void __init omap_apollon_init(void)
316{
Paul Walmsley44595982008-03-18 10:04:51 +0200317 u32 v;
318
Tony Lindgrenb52b14e2010-07-05 16:31:37 +0300319 omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
Tony Lindgrene41cccf2011-02-24 14:36:03 -0800320 omap_board_config = apollon_config;
321 omap_board_config_size = ARRAY_SIZE(apollon_config);
Tony Lindgrenb52b14e2010-07-05 16:31:37 +0300322
Tony Lindgrenc2cdaff2010-12-07 16:26:55 -0800323 apollon_init_smc91x();
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100324 apollon_led_init();
Kyungmin Parkf0248402006-12-06 17:13:53 -0800325 apollon_flash_init();
326 apollon_usb_init();
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100327
328 /* REVISIT: where's the correct place */
Tony Lindgrenf99bf162010-07-05 16:31:40 +0300329 omap_mux_init_signal("sys_nirq", OMAP_PULL_ENA | OMAP_PULL_UP);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100330
Tony Lindgren18dbe6c2010-07-05 16:31:39 +0300331 /* LCD PWR_EN */
332 omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP);
333
Kyungmin Parkabc45e12006-09-25 12:41:25 +0300334 /* Use Interal loop-back in MMC/SDIO Module Input Clock selection */
Paul Walmsley44595982008-03-18 10:04:51 +0200335 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
336 v |= (1 << 24);
337 omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
Kyungmin Parkabc45e12006-09-25 12:41:25 +0300338
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100339 /*
340 * Make sure the serial ports are muxed on at this point.
341 * You have to mux them off in device drivers later on
342 * if not needed.
343 */
344 platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100345 omap_serial_init();
346}
347
348static void __init omap_apollon_map_io(void)
349{
Paul Walmsleyc8d2eb82008-05-07 16:55:13 -0700350 omap2_set_globals_242x();
Tony Lindgren6fbd55d2010-02-12 12:26:47 -0800351 omap242x_map_common_io();
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100352}
353
354MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
355 /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100356 .boot_params = 0x80000100,
Russell King71ee7da2010-05-23 10:18:16 +0100357 .reserve = omap_reserve,
Russell King - ARM Linux3dc3bad2011-02-14 15:40:20 -0800358 .map_io = omap_apollon_map_io,
359 .init_early = omap_apollon_init_early,
360 .init_irq = omap_init_irq,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100361 .init_machine = omap_apollon_init,
362 .timer = &omap_timer,
363MACHINE_END