omap: headers: Move remaining headers from include/mach to include/plat
[linux-2.6.git] / arch / arm / mach-omap2 / board-apollon.c
1 /*
2  * linux/arch/arm/mach-omap2/board-apollon.c
3  *
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>
25 #include <linux/delay.h>
26 #include <linux/leds.h>
27 #include <linux/err.h>
28 #include <linux/clk.h>
29
30 #include <mach/hardware.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/flash.h>
34
35 #include <mach/gpio.h>
36 #include <plat/led.h>
37 #include <plat/mux.h>
38 #include <plat/usb.h>
39 #include <plat/board.h>
40 #include <plat/common.h>
41 #include <plat/gpmc.h>
42 #include <plat/control.h>
43
44 /* LED & Switch macros */
45 #define LED0_GPIO13             13
46 #define LED1_GPIO14             14
47 #define LED2_GPIO15             15
48 #define SW_ENTER_GPIO16         16
49 #define SW_UP_GPIO17            17
50 #define SW_DOWN_GPIO58          58
51
52 #define APOLLON_FLASH_CS        0
53 #define APOLLON_ETH_CS          1
54 #define APOLLON_ETHR_GPIO_IRQ   74
55
56 static struct mtd_partition apollon_partitions[] = {
57         {
58                 .name           = "X-Loader + U-Boot",
59                 .offset         = 0,
60                 .size           = SZ_128K,
61                 .mask_flags     = MTD_WRITEABLE,
62         },
63         {
64                 .name           = "params",
65                 .offset         = MTDPART_OFS_APPEND,
66                 .size           = SZ_128K,
67         },
68         {
69                 .name           = "kernel",
70                 .offset         = MTDPART_OFS_APPEND,
71                 .size           = SZ_2M,
72         },
73         {
74                 .name           = "rootfs",
75                 .offset         = MTDPART_OFS_APPEND,
76                 .size           = SZ_16M,
77         },
78         {
79                 .name           = "filesystem00",
80                 .offset         = MTDPART_OFS_APPEND,
81                 .size           = SZ_32M,
82         },
83         {
84                 .name           = "filesystem01",
85                 .offset         = MTDPART_OFS_APPEND,
86                 .size           = MTDPART_SIZ_FULL,
87         },
88 };
89
90 static struct onenand_platform_data apollon_flash_data = {
91         .parts          = apollon_partitions,
92         .nr_parts       = ARRAY_SIZE(apollon_partitions),
93 };
94
95 static struct resource apollon_flash_resource[] = {
96         [0] = {
97                 .flags          = IORESOURCE_MEM,
98         },
99 };
100
101 static struct platform_device apollon_onenand_device = {
102         .name           = "onenand-flash",
103         .id             = -1,
104         .dev            = {
105                 .platform_data  = &apollon_flash_data,
106         },
107         .num_resources  = ARRAY_SIZE(apollon_flash_resource),
108         .resource       = apollon_flash_resource,
109 };
110
111 static void __init apollon_flash_init(void)
112 {
113         unsigned long base;
114
115         if (gpmc_cs_request(APOLLON_FLASH_CS, SZ_128K, &base) < 0) {
116                 printk(KERN_ERR "Cannot request OneNAND GPMC CS\n");
117                 return;
118         }
119         apollon_flash_resource[0].start = base;
120         apollon_flash_resource[0].end   = base + SZ_128K - 1;
121 }
122
123 static struct resource apollon_smc91x_resources[] = {
124         [0] = {
125                 .flags  = IORESOURCE_MEM,
126         },
127         [1] = {
128                 .start  = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
129                 .end    = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
130                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
131         },
132 };
133
134 static struct platform_device apollon_smc91x_device = {
135         .name           = "smc91x",
136         .id             = -1,
137         .num_resources  = ARRAY_SIZE(apollon_smc91x_resources),
138         .resource       = apollon_smc91x_resources,
139 };
140
141 static struct platform_device apollon_lcd_device = {
142         .name           = "apollon_lcd",
143         .id             = -1,
144 };
145
146 static struct omap_led_config apollon_led_config[] = {
147         {
148                 .cdev   = {
149                         .name   = "apollon:led0",
150                 },
151                 .gpio   = LED0_GPIO13,
152         },
153         {
154                 .cdev   = {
155                         .name   = "apollon:led1",
156                 },
157                 .gpio   = LED1_GPIO14,
158         },
159         {
160                 .cdev   = {
161                         .name   = "apollon:led2",
162                 },
163                 .gpio   = LED2_GPIO15,
164         },
165 };
166
167 static struct omap_led_platform_data apollon_led_data = {
168         .nr_leds        = ARRAY_SIZE(apollon_led_config),
169         .leds           = apollon_led_config,
170 };
171
172 static struct platform_device apollon_led_device = {
173         .name           = "omap-led",
174         .id             = -1,
175         .dev            = {
176                 .platform_data  = &apollon_led_data,
177         },
178 };
179
180 static struct platform_device *apollon_devices[] __initdata = {
181         &apollon_onenand_device,
182         &apollon_smc91x_device,
183         &apollon_lcd_device,
184         &apollon_led_device,
185 };
186
187 static inline void __init apollon_init_smc91x(void)
188 {
189         unsigned long base;
190
191         unsigned int rate;
192         struct clk *gpmc_fck;
193         int eth_cs;
194
195         gpmc_fck = clk_get(NULL, "gpmc_fck");   /* Always on ENABLE_ON_INIT */
196         if (IS_ERR(gpmc_fck)) {
197                 WARN_ON(1);
198                 return;
199         }
200
201         clk_enable(gpmc_fck);
202         rate = clk_get_rate(gpmc_fck);
203
204         eth_cs = APOLLON_ETH_CS;
205
206         /* Make sure CS1 timings are correct */
207         gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
208
209         if (rate >= 160000000) {
210                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
211                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
212                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
213                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
214                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
215         } else if (rate >= 130000000) {
216                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
217                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
218                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
219                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
220                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
221         } else {/* rate = 100000000 */
222                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
223                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
224                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
225                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
226                 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
227         }
228
229         if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
230                 printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
231                 goto out;
232         }
233         apollon_smc91x_resources[0].start = base + 0x300;
234         apollon_smc91x_resources[0].end   = base + 0x30f;
235         udelay(100);
236
237         omap_cfg_reg(W4__24XX_GPIO74);
238         if (gpio_request(APOLLON_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
239                 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
240                         APOLLON_ETHR_GPIO_IRQ);
241                 gpmc_cs_free(APOLLON_ETH_CS);
242                 goto out;
243         }
244         gpio_direction_input(APOLLON_ETHR_GPIO_IRQ);
245
246 out:
247         clk_disable(gpmc_fck);
248         clk_put(gpmc_fck);
249 }
250
251 static struct omap_usb_config apollon_usb_config __initdata = {
252         .register_dev   = 1,
253         .hmc_mode       = 0x14, /* 0:dev 1:host1 2:disable */
254
255         .pins[0]        = 6,
256 };
257
258 static struct omap_lcd_config apollon_lcd_config __initdata = {
259         .ctrl_name      = "internal",
260 };
261
262 static struct omap_board_config_kernel apollon_config[] = {
263         { OMAP_TAG_LCD,         &apollon_lcd_config },
264 };
265
266 static void __init omap_apollon_init_irq(void)
267 {
268         omap_board_config = apollon_config;
269         omap_board_config_size = ARRAY_SIZE(apollon_config);
270         omap2_init_common_hw(NULL, NULL);
271         omap_init_irq();
272         omap_gpio_init();
273         apollon_init_smc91x();
274 }
275
276 static void __init apollon_led_init(void)
277 {
278         /* LED0 - AA10 */
279         omap_cfg_reg(AA10_242X_GPIO13);
280         gpio_request(LED0_GPIO13, "LED0");
281         gpio_direction_output(LED0_GPIO13, 0);
282         /* LED1  - AA6 */
283         omap_cfg_reg(AA6_242X_GPIO14);
284         gpio_request(LED1_GPIO14, "LED1");
285         gpio_direction_output(LED1_GPIO14, 0);
286         /* LED2  - AA4 */
287         omap_cfg_reg(AA4_242X_GPIO15);
288         gpio_request(LED2_GPIO15, "LED2");
289         gpio_direction_output(LED2_GPIO15, 0);
290 }
291
292 static void __init apollon_usb_init(void)
293 {
294         /* USB device */
295         /* DEVICE_SUSPEND */
296         omap_cfg_reg(P21_242X_GPIO12);
297         gpio_request(12, "USB suspend");
298         gpio_direction_output(12, 0);
299         omap_usb_init(&apollon_usb_config);
300 }
301
302 static void __init omap_apollon_init(void)
303 {
304         u32 v;
305
306         apollon_led_init();
307         apollon_flash_init();
308         apollon_usb_init();
309
310         /* REVISIT: where's the correct place */
311         omap_cfg_reg(W19_24XX_SYS_NIRQ);
312
313         /* Use Interal loop-back in MMC/SDIO Module Input Clock selection */
314         v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
315         v |= (1 << 24);
316         omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
317
318         /*
319          * Make sure the serial ports are muxed on at this point.
320          * You have to mux them off in device drivers later on
321          * if not needed.
322          */
323         platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
324         omap_serial_init();
325 }
326
327 static void __init omap_apollon_map_io(void)
328 {
329         omap2_set_globals_242x();
330         omap2_map_common_io();
331 }
332
333 MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
334         /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
335         .phys_io        = 0x48000000,
336         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
337         .boot_params    = 0x80000100,
338         .map_io         = omap_apollon_map_io,
339         .init_irq       = omap_apollon_init_irq,
340         .init_machine   = omap_apollon_init,
341         .timer          = &omap_timer,
342 MACHINE_END