Merge branches 'release', 'asus', 'sony-laptop' and 'thinkpad' into release
[linux-2.6] / 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/irq.h>
26 #include <linux/interrupt.h>
27 #include <linux/delay.h>
28 #include <linux/leds.h>
29
30 #include <asm/hardware.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/flash.h>
34
35 #include <asm/arch/gpio.h>
36 #include <asm/arch/led.h>
37 #include <asm/arch/mux.h>
38 #include <asm/arch/usb.h>
39 #include <asm/arch/board.h>
40 #include <asm/arch/common.h>
41 #include <asm/arch/gpmc.h>
42 #include "prcm-regs.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
55 static struct mtd_partition apollon_partitions[] = {
56         {
57                 .name           = "X-Loader + U-Boot",
58                 .offset         = 0,
59                 .size           = SZ_128K,
60                 .mask_flags     = MTD_WRITEABLE,
61         },
62         {
63                 .name           = "params",
64                 .offset         = MTDPART_OFS_APPEND,
65                 .size           = SZ_128K,
66         },
67         {
68                 .name           = "kernel",
69                 .offset         = MTDPART_OFS_APPEND,
70                 .size           = SZ_2M,
71         },
72         {
73                 .name           = "rootfs",
74                 .offset         = MTDPART_OFS_APPEND,
75                 .size           = SZ_16M,
76         },
77         {
78                 .name           = "filesystem00",
79                 .offset         = MTDPART_OFS_APPEND,
80                 .size           = SZ_32M,
81         },
82         {
83                 .name           = "filesystem01",
84                 .offset         = MTDPART_OFS_APPEND,
85                 .size           = MTDPART_SIZ_FULL,
86         },
87 };
88
89 static struct flash_platform_data apollon_flash_data = {
90         .parts          = apollon_partitions,
91         .nr_parts       = ARRAY_SIZE(apollon_partitions),
92 };
93
94 static struct resource apollon_flash_resource[] = {
95         [0] = {
96                 .flags          = IORESOURCE_MEM,
97         },
98 };
99
100 static struct platform_device apollon_onenand_device = {
101         .name           = "onenand",
102         .id             = -1,
103         .dev            = {
104                 .platform_data  = &apollon_flash_data,
105         },
106         .num_resources  = ARRAY_SIZE(apollon_flash_resource),
107         .resource       = apollon_flash_resource,
108 };
109
110 static void __init apollon_flash_init(void)
111 {
112         unsigned long base;
113
114         if (gpmc_cs_request(APOLLON_FLASH_CS, SZ_128K, &base) < 0) {
115                 printk(KERN_ERR "Cannot request OneNAND GPMC CS\n");
116                 return;
117         }
118         apollon_flash_resource[0].start = base;
119         apollon_flash_resource[0].end   = base + SZ_128K - 1;
120 }
121
122 static struct resource apollon_smc91x_resources[] = {
123         [0] = {
124                 .flags  = IORESOURCE_MEM,
125         },
126         [1] = {
127                 .start  = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
128                 .end    = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
129                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
130         },
131 };
132
133 static struct platform_device apollon_smc91x_device = {
134         .name           = "smc91x",
135         .id             = -1,
136         .num_resources  = ARRAY_SIZE(apollon_smc91x_resources),
137         .resource       = apollon_smc91x_resources,
138 };
139
140 static struct platform_device apollon_lcd_device = {
141         .name           = "apollon_lcd",
142         .id             = -1,
143 };
144
145 static struct omap_led_config apollon_led_config[] = {
146         {
147                 .cdev   = {
148                         .name   = "apollon:led0",
149                 },
150                 .gpio   = LED0_GPIO13,
151         },
152         {
153                 .cdev   = {
154                         .name   = "apollon:led1",
155                 },
156                 .gpio   = LED1_GPIO14,
157         },
158         {
159                 .cdev   = {
160                         .name   = "apollon:led2",
161                 },
162                 .gpio   = LED2_GPIO15,
163         },
164 };
165
166 static struct omap_led_platform_data apollon_led_data = {
167         .nr_leds        = ARRAY_SIZE(apollon_led_config),
168         .leds           = apollon_led_config,
169 };
170
171 static struct platform_device apollon_led_device = {
172         .name           = "omap-led",
173         .id             = -1,
174         .dev            = {
175                 .platform_data  = &apollon_led_data,
176         },
177 };
178
179 static struct platform_device *apollon_devices[] __initdata = {
180         &apollon_onenand_device,
181         &apollon_smc91x_device,
182         &apollon_lcd_device,
183         &apollon_led_device,
184 };
185
186 static inline void __init apollon_init_smc91x(void)
187 {
188         unsigned long base;
189
190         /* Make sure CS1 timings are correct */
191         GPMC_CONFIG1_1 = 0x00011203;
192         GPMC_CONFIG2_1 = 0x001f1f01;
193         GPMC_CONFIG3_1 = 0x00080803;
194         GPMC_CONFIG4_1 = 0x1c091c09;
195         GPMC_CONFIG5_1 = 0x041f1f1f;
196         GPMC_CONFIG6_1 = 0x000004c4;
197
198         if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
199                 printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
200                 return;
201         }
202         apollon_smc91x_resources[0].start = base + 0x300;
203         apollon_smc91x_resources[0].end   = base + 0x30f;
204         udelay(100);
205
206         omap_cfg_reg(W4__24XX_GPIO74);
207         if (omap_request_gpio(APOLLON_ETHR_GPIO_IRQ) < 0) {
208                 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
209                         APOLLON_ETHR_GPIO_IRQ);
210                 gpmc_cs_free(APOLLON_ETH_CS);
211                 return;
212         }
213         omap_set_gpio_direction(APOLLON_ETHR_GPIO_IRQ, 1);
214 }
215
216 static void __init omap_apollon_init_irq(void)
217 {
218         omap2_init_common_hw();
219         omap_init_irq();
220         omap_gpio_init();
221         apollon_init_smc91x();
222 }
223
224 static struct omap_uart_config apollon_uart_config __initdata = {
225         .enabled_uarts = (1 << 0) | (0 << 1) | (0 << 2),
226 };
227
228 static struct omap_mmc_config apollon_mmc_config __initdata = {
229         .mmc [0] = {
230                 .enabled        = 1,
231                 .wire4          = 1,
232                 .wp_pin         = -1,
233                 .power_pin      = -1,
234                 .switch_pin     = -1,
235         },
236 };
237
238 static struct omap_usb_config apollon_usb_config __initdata = {
239         .register_dev   = 1,
240         .hmc_mode       = 0x14, /* 0:dev 1:host1 2:disable */
241
242         .pins[0]        = 6,
243 };
244
245 static struct omap_lcd_config apollon_lcd_config __initdata = {
246         .ctrl_name      = "internal",
247 };
248
249 static struct omap_board_config_kernel apollon_config[] = {
250         { OMAP_TAG_UART,        &apollon_uart_config },
251         { OMAP_TAG_MMC,         &apollon_mmc_config },
252         { OMAP_TAG_USB,         &apollon_usb_config },
253         { OMAP_TAG_LCD,         &apollon_lcd_config },
254 };
255
256 static void __init apollon_led_init(void)
257 {
258         /* LED0 - AA10 */
259         omap_cfg_reg(AA10_242X_GPIO13);
260         omap_request_gpio(LED0_GPIO13);
261         omap_set_gpio_direction(LED0_GPIO13, 0);
262         omap_set_gpio_dataout(LED0_GPIO13, 0);
263         /* LED1  - AA6 */
264         omap_cfg_reg(AA6_242X_GPIO14);
265         omap_request_gpio(LED1_GPIO14);
266         omap_set_gpio_direction(LED1_GPIO14, 0);
267         omap_set_gpio_dataout(LED1_GPIO14, 0);
268         /* LED2  - AA4 */
269         omap_cfg_reg(AA4_242X_GPIO15);
270         omap_request_gpio(LED2_GPIO15);
271         omap_set_gpio_direction(LED2_GPIO15, 0);
272         omap_set_gpio_dataout(LED2_GPIO15, 0);
273 }
274
275 static irqreturn_t apollon_sw_interrupt(int irq, void *ignored)
276 {
277         static unsigned int led0, led1, led2;
278
279         if (irq == OMAP_GPIO_IRQ(SW_ENTER_GPIO16))
280                 omap_set_gpio_dataout(LED0_GPIO13, led0 ^= 1);
281         else if (irq == OMAP_GPIO_IRQ(SW_UP_GPIO17))
282                 omap_set_gpio_dataout(LED1_GPIO14, led1 ^= 1);
283         else if (irq == OMAP_GPIO_IRQ(SW_DOWN_GPIO58))
284                 omap_set_gpio_dataout(LED2_GPIO15, led2 ^= 1);
285
286         return IRQ_HANDLED;
287 }
288
289 static void __init apollon_sw_init(void)
290 {
291         /* Enter SW - Y11 */
292         omap_cfg_reg(Y11_242X_GPIO16);
293         omap_request_gpio(SW_ENTER_GPIO16);
294         omap_set_gpio_direction(SW_ENTER_GPIO16, 1);
295         /* Up SW - AA12 */
296         omap_cfg_reg(AA12_242X_GPIO17);
297         omap_request_gpio(SW_UP_GPIO17);
298         omap_set_gpio_direction(SW_UP_GPIO17, 1);
299         /* Down SW - AA8 */
300         omap_cfg_reg(AA8_242X_GPIO58);
301         omap_request_gpio(SW_DOWN_GPIO58);
302         omap_set_gpio_direction(SW_DOWN_GPIO58, 1);
303
304         set_irq_type(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), IRQT_RISING);
305         if (request_irq(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), &apollon_sw_interrupt,
306                                 IRQF_SHARED, "enter sw",
307                                 &apollon_sw_interrupt))
308                 return;
309         set_irq_type(OMAP_GPIO_IRQ(SW_UP_GPIO17), IRQT_RISING);
310         if (request_irq(OMAP_GPIO_IRQ(SW_UP_GPIO17), &apollon_sw_interrupt,
311                                 IRQF_SHARED, "up sw",
312                                 &apollon_sw_interrupt))
313                 return;
314         set_irq_type(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), IRQT_RISING);
315         if (request_irq(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), &apollon_sw_interrupt,
316                                 IRQF_SHARED, "down sw",
317                                 &apollon_sw_interrupt))
318                 return;
319 }
320
321 static void __init apollon_usb_init(void)
322 {
323         /* USB device */
324         /* DEVICE_SUSPEND */
325         omap_cfg_reg(P21_242X_GPIO12);
326         omap_request_gpio(12);
327         omap_set_gpio_direction(12, 0);         /* OUT */
328         omap_set_gpio_dataout(12, 0);
329 }
330
331 static void __init omap_apollon_init(void)
332 {
333         apollon_led_init();
334         apollon_sw_init();
335         apollon_flash_init();
336         apollon_usb_init();
337
338         /* REVISIT: where's the correct place */
339         omap_cfg_reg(W19_24XX_SYS_NIRQ);
340
341         /* Use Interal loop-back in MMC/SDIO Module Input Clock selection */
342         CONTROL_DEVCONF |= (1 << 24);
343
344         /*
345          * Make sure the serial ports are muxed on at this point.
346          * You have to mux them off in device drivers later on
347          * if not needed.
348          */
349         platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
350         omap_board_config = apollon_config;
351         omap_board_config_size = ARRAY_SIZE(apollon_config);
352         omap_serial_init();
353 }
354
355 static void __init omap_apollon_map_io(void)
356 {
357         omap2_map_common_io();
358 }
359
360 MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
361         /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
362         .phys_io        = 0x48000000,
363         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
364         .boot_params    = 0x80000100,
365         .map_io         = omap_apollon_map_io,
366         .init_irq       = omap_apollon_init_irq,
367         .init_machine   = omap_apollon_init,
368         .timer          = &omap_timer,
369 MACHINE_END