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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>
Axel Linf9fa1bb2011-05-31 20:55:44 +080030#include <linux/gpio.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010031
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
Tony Lindgrence491cf2009-10-20 09:40:47 -070036#include <plat/led.h>
Tony Lindgren4e653312011-11-10 22:45:17 +010037#include "common.h"
Tony Lindgrence491cf2009-10-20 09:40:47 -070038#include <plat/gpmc.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010039
Tomi Valkeinenda91e892011-05-09 10:13:20 +030040#include <video/omapdss.h>
41#include <video/omap-panel-generic-dpi.h>
42
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] = {
Russell Kinge7b3dc72008-01-14 22:30:10 +0000136 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100137 },
138};
139
140static struct platform_device apollon_smc91x_device = {
141 .name = "smc91x",
142 .id = -1,
Ladislav Michl3bc48012009-12-11 16:16:33 -0800143 .dev = {
144 .platform_data = &appolon_smc91x_info,
145 },
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100146 .num_resources = ARRAY_SIZE(apollon_smc91x_resources),
147 .resource = apollon_smc91x_resources,
148};
149
Kyungmin Parkf0248402006-12-06 17:13:53 -0800150static struct omap_led_config apollon_led_config[] = {
151 {
152 .cdev = {
153 .name = "apollon:led0",
154 },
155 .gpio = LED0_GPIO13,
156 },
157 {
158 .cdev = {
159 .name = "apollon:led1",
160 },
161 .gpio = LED1_GPIO14,
162 },
163 {
164 .cdev = {
165 .name = "apollon:led2",
166 },
167 .gpio = LED2_GPIO15,
168 },
169};
170
171static struct omap_led_platform_data apollon_led_data = {
172 .nr_leds = ARRAY_SIZE(apollon_led_config),
173 .leds = apollon_led_config,
174};
175
176static struct platform_device apollon_led_device = {
177 .name = "omap-led",
178 .id = -1,
179 .dev = {
180 .platform_data = &apollon_led_data,
181 },
182};
183
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100184static struct platform_device *apollon_devices[] __initdata = {
185 &apollon_onenand_device,
186 &apollon_smc91x_device,
Kyungmin Parkf0248402006-12-06 17:13:53 -0800187 &apollon_led_device,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100188};
189
190static inline void __init apollon_init_smc91x(void)
191{
Kyungmin Parkf0248402006-12-06 17:13:53 -0800192 unsigned long base;
193
Paul Walmsley44595982008-03-18 10:04:51 +0200194 unsigned int rate;
195 struct clk *gpmc_fck;
196 int eth_cs;
Igor Grinbergbc593f52011-05-03 18:22:09 +0300197 int err;
Paul Walmsley44595982008-03-18 10:04:51 +0200198
199 gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
200 if (IS_ERR(gpmc_fck)) {
201 WARN_ON(1);
202 return;
203 }
204
Rajendra Nayak4d7cb452012-09-22 02:24:16 -0600205 clk_prepare_enable(gpmc_fck);
Paul Walmsley44595982008-03-18 10:04:51 +0200206 rate = clk_get_rate(gpmc_fck);
207
208 eth_cs = APOLLON_ETH_CS;
209
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100210 /* Make sure CS1 timings are correct */
Paul Walmsley44595982008-03-18 10:04:51 +0200211 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
212
213 if (rate >= 160000000) {
214 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
215 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
216 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
217 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
218 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
219 } else if (rate >= 130000000) {
220 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
221 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
222 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
223 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
224 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
225 } else {/* rate = 100000000 */
226 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
227 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
228 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
229 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
230 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
231 }
Kyungmin Parkf0248402006-12-06 17:13:53 -0800232
233 if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
234 printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
Paul Walmsley44595982008-03-18 10:04:51 +0200235 goto out;
Kyungmin Parkf0248402006-12-06 17:13:53 -0800236 }
237 apollon_smc91x_resources[0].start = base + 0x300;
238 apollon_smc91x_resources[0].end = base + 0x30f;
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100239 udelay(100);
240
Igor Grinbergbc593f52011-05-03 18:22:09 +0300241 omap_mux_init_gpio(APOLLON_ETHR_GPIO_IRQ, 0);
242 err = gpio_request_one(APOLLON_ETHR_GPIO_IRQ, GPIOF_IN, "SMC91x irq");
243 if (err) {
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100244 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
245 APOLLON_ETHR_GPIO_IRQ);
Kyungmin Parkf0248402006-12-06 17:13:53 -0800246 gpmc_cs_free(APOLLON_ETH_CS);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100247 }
Paul Walmsley44595982008-03-18 10:04:51 +0200248out:
Rajendra Nayak4d7cb452012-09-22 02:24:16 -0600249 clk_disable_unprepare(gpmc_fck);
Paul Walmsley44595982008-03-18 10:04:51 +0200250 clk_put(gpmc_fck);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100251}
252
Tomi Valkeinenda91e892011-05-09 10:13:20 +0300253static struct panel_generic_dpi_data apollon_panel_data = {
254 .name = "apollon",
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100255};
256
Tomi Valkeinenda91e892011-05-09 10:13:20 +0300257static struct omap_dss_device apollon_lcd_device = {
258 .name = "lcd",
259 .driver_name = "generic_dpi_panel",
260 .type = OMAP_DISPLAY_TYPE_DPI,
261 .phy.dpi.data_lines = 18,
262 .data = &apollon_panel_data,
263};
264
265static struct omap_dss_device *apollon_dss_devices[] = {
266 &apollon_lcd_device,
267};
268
269static struct omap_dss_board_info apollon_dss_data = {
270 .num_devices = ARRAY_SIZE(apollon_dss_devices),
271 .devices = apollon_dss_devices,
272 .default_device = &apollon_lcd_device,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100273};
274
Igor Grinbergbc593f52011-05-03 18:22:09 +0300275static struct gpio apollon_gpio_leds[] __initdata = {
276 { LED0_GPIO13, GPIOF_OUT_INIT_LOW, "LED0" }, /* LED0 - AA10 */
277 { LED1_GPIO14, GPIOF_OUT_INIT_LOW, "LED1" }, /* LED1 - AA6 */
278 { LED2_GPIO15, GPIOF_OUT_INIT_LOW, "LED2" }, /* LED2 - AA4 */
279};
280
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100281static void __init apollon_led_init(void)
282{
Tony Lindgrenf99bf162010-07-05 16:31:40 +0300283 omap_mux_init_signal("vlynq_clk.gpio_13", 0);
Tony Lindgrenf99bf162010-07-05 16:31:40 +0300284 omap_mux_init_signal("vlynq_rx1.gpio_14", 0);
Tony Lindgrenf99bf162010-07-05 16:31:40 +0300285 omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
Igor Grinbergbc593f52011-05-03 18:22:09 +0300286
287 gpio_request_array(apollon_gpio_leds, ARRAY_SIZE(apollon_gpio_leds));
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100288}
289
Tony Lindgrenb52b14e2010-07-05 16:31:37 +0300290#ifdef CONFIG_OMAP_MUX
291static struct omap_board_mux board_mux[] __initdata = {
292 { .reg_offset = OMAP_MUX_TERMINATOR },
293};
Tony Lindgrenb52b14e2010-07-05 16:31:37 +0300294#endif
295
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100296static void __init omap_apollon_init(void)
297{
Paul Walmsley44595982008-03-18 10:04:51 +0200298 u32 v;
299
Tony Lindgrenb52b14e2010-07-05 16:31:37 +0300300 omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
301
Tony Lindgrenc2cdaff2010-12-07 16:26:55 -0800302 apollon_init_smc91x();
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100303 apollon_led_init();
Kyungmin Parkf0248402006-12-06 17:13:53 -0800304 apollon_flash_init();
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100305
306 /* REVISIT: where's the correct place */
Tony Lindgrenf99bf162010-07-05 16:31:40 +0300307 omap_mux_init_signal("sys_nirq", OMAP_PULL_ENA | OMAP_PULL_UP);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100308
Tony Lindgren18dbe6c2010-07-05 16:31:39 +0300309 /* LCD PWR_EN */
310 omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP);
311
Masanari Iida260db902012-07-12 00:56:57 +0900312 /* Use Internal loop-back in MMC/SDIO Module Input Clock selection */
Paul Walmsley44595982008-03-18 10:04:51 +0200313 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
314 v |= (1 << 24);
315 omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
Kyungmin Parkabc45e12006-09-25 12:41:25 +0300316
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100317 /*
318 * Make sure the serial ports are muxed on at this point.
319 * You have to mux them off in device drivers later on
320 * if not needed.
321 */
Tarun Kanti DebBarma46a0a542012-03-29 08:41:01 -0700322 apollon_smc91x_resources[1].start = gpio_to_irq(APOLLON_ETHR_GPIO_IRQ);
323 apollon_smc91x_resources[1].end = gpio_to_irq(APOLLON_ETHR_GPIO_IRQ);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100324 platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100325 omap_serial_init();
Tony Lindgrena4ca9db2011-08-22 23:57:23 -0700326 omap_sdrc_init(NULL, NULL);
Tomi Valkeinenda91e892011-05-09 10:13:20 +0300327 omap_display_init(&apollon_dss_data);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100328}
329
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100330MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
331 /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
Nicolas Pitre5e52b432011-07-05 22:38:15 -0400332 .atag_offset = 0x100,
Russell King71ee7da2010-05-23 10:18:16 +0100333 .reserve = omap_reserve,
Tony Lindgrene990a402011-09-26 14:52:55 -0700334 .map_io = omap242x_map_io,
Tony Lindgren8f5b5a42011-08-22 23:57:24 -0700335 .init_early = omap2420_init_early,
Tony Lindgren741e3a82011-05-17 03:51:26 -0700336 .init_irq = omap2_init_irq,
Marc Zyngier6b2f55d2011-09-06 10:23:45 +0100337 .handle_irq = omap2_intc_handle_irq,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100338 .init_machine = omap_apollon_init,
Shawn Guobbd707a2012-04-26 16:06:50 +0800339 .init_late = omap2420_init_late,
Tony Lindgrene74984e2011-03-29 15:54:48 -0700340 .timer = &omap2_timer,
Russell Kingbaa95882011-11-05 17:06:28 +0000341 .restart = omap_prcm_restart,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100342MACHINE_END