[PATCH] ARM: fixup irqflags breakage after ARM genirq merge
[linux-3.10.git] / arch / arm / mach-omap2 / board-apollon.c
1 /*
2  * linux/arch/arm/mach-omap/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/interrupt.h>
26 #include <linux/delay.h>
27
28 #include <asm/hardware.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/flash.h>
32
33 #include <asm/arch/gpio.h>
34 #include <asm/arch/mux.h>
35 #include <asm/arch/usb.h>
36 #include <asm/arch/board.h>
37 #include <asm/arch/common.h>
38 #include "prcm-regs.h"
39
40 /* LED & Switch macros */
41 #define LED0_GPIO13             13
42 #define LED1_GPIO14             14
43 #define LED2_GPIO15             15
44 #define SW_ENTER_GPIO16         16
45 #define SW_UP_GPIO17            17
46 #define SW_DOWN_GPIO58          58
47
48 static struct mtd_partition apollon_partitions[] = {
49         {
50                 .name           = "X-Loader + U-Boot",
51                 .offset         = 0,
52                 .size           = SZ_128K,
53                 .mask_flags     = MTD_WRITEABLE,
54         },
55         {
56                 .name           = "params",
57                 .offset         = MTDPART_OFS_APPEND,
58                 .size           = SZ_128K,
59         },
60         {
61                 .name           = "kernel",
62                 .offset         = MTDPART_OFS_APPEND,
63                 .size           = SZ_2M,
64         },
65         {
66                 .name           = "rootfs",
67                 .offset         = MTDPART_OFS_APPEND,
68                 .size           = SZ_16M,
69         },
70         {
71                 .name           = "filesystem00",
72                 .offset         = MTDPART_OFS_APPEND,
73                 .size           = SZ_32M,
74         },
75         {
76                 .name           = "filesystem01",
77                 .offset         = MTDPART_OFS_APPEND,
78                 .size           = MTDPART_SIZ_FULL,
79         },
80 };
81
82 static struct flash_platform_data apollon_flash_data = {
83         .parts          = apollon_partitions,
84         .nr_parts       = ARRAY_SIZE(apollon_partitions),
85 };
86
87 static struct resource apollon_flash_resource = {
88         .start          = APOLLON_CS0_BASE,
89         .end            = APOLLON_CS0_BASE + SZ_128K,
90         .flags          = IORESOURCE_MEM,
91 };
92
93 static struct platform_device apollon_onenand_device = {
94         .name           = "onenand",
95         .id             = -1,
96         .dev            = {
97                 .platform_data  = &apollon_flash_data,
98         },
99         .num_resources  = ARRAY_SIZE(&apollon_flash_resource),
100         .resource       = &apollon_flash_resource,
101 };
102
103 static struct resource apollon_smc91x_resources[] = {
104         [0] = {
105                 .start  = APOLLON_ETHR_START,           /* Physical */
106                 .end    = APOLLON_ETHR_START + 0xf,
107                 .flags  = IORESOURCE_MEM,
108         },
109         [1] = {
110                 .start  = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
111                 .end    = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
112                 .flags  = IORESOURCE_IRQ,
113         },
114 };
115
116 static struct platform_device apollon_smc91x_device = {
117         .name           = "smc91x",
118         .id             = -1,
119         .num_resources  = ARRAY_SIZE(apollon_smc91x_resources),
120         .resource       = apollon_smc91x_resources,
121 };
122
123 static struct platform_device apollon_lcd_device = {
124         .name           = "apollon_lcd",
125         .id             = -1,
126 };
127
128 static struct platform_device *apollon_devices[] __initdata = {
129         &apollon_onenand_device,
130         &apollon_smc91x_device,
131         &apollon_lcd_device,
132 };
133
134 static inline void __init apollon_init_smc91x(void)
135 {
136         /* Make sure CS1 timings are correct */
137         GPMC_CONFIG1_1 = 0x00011203;
138         GPMC_CONFIG2_1 = 0x001f1f01;
139         GPMC_CONFIG3_1 = 0x00080803;
140         GPMC_CONFIG4_1 = 0x1c091c09;
141         GPMC_CONFIG5_1 = 0x041f1f1f;
142         GPMC_CONFIG6_1 = 0x000004c4;
143         GPMC_CONFIG7_1 = 0x00000f40 | (APOLLON_CS1_BASE >> 24);
144         udelay(100);
145
146         omap_cfg_reg(W4__24XX_GPIO74);
147         if (omap_request_gpio(APOLLON_ETHR_GPIO_IRQ) < 0) {
148                 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
149                         APOLLON_ETHR_GPIO_IRQ);
150                 return;
151         }
152         omap_set_gpio_direction(APOLLON_ETHR_GPIO_IRQ, 1);
153 }
154
155 static void __init omap_apollon_init_irq(void)
156 {
157         omap2_init_common_hw();
158         omap_init_irq();
159         omap_gpio_init();
160         apollon_init_smc91x();
161 }
162
163 static struct omap_uart_config apollon_uart_config __initdata = {
164         .enabled_uarts = (1 << 0) | (0 << 1) | (0 << 2),
165 };
166
167 static struct omap_mmc_config apollon_mmc_config __initdata = {
168         .mmc [0] = {
169                 .enabled        = 0,
170                 .wire4          = 0,
171                 .wp_pin         = -1,
172                 .power_pin      = -1,
173                 .switch_pin     = -1,
174         },
175 };
176
177 static struct omap_lcd_config apollon_lcd_config __initdata = {
178         .ctrl_name      = "internal",
179 };
180
181 static struct omap_board_config_kernel apollon_config[] = {
182         { OMAP_TAG_UART,        &apollon_uart_config },
183         { OMAP_TAG_MMC,         &apollon_mmc_config },
184         { OMAP_TAG_LCD,         &apollon_lcd_config },
185 };
186
187 static void __init apollon_led_init(void)
188 {
189         /* LED0 - AA10 */
190         omap_cfg_reg(AA10_242X_GPIO13);
191         omap_request_gpio(LED0_GPIO13);
192         omap_set_gpio_direction(LED0_GPIO13, 0);
193         omap_set_gpio_dataout(LED0_GPIO13, 0);
194         /* LED1  - AA6 */
195         omap_cfg_reg(AA6_242X_GPIO14);
196         omap_request_gpio(LED1_GPIO14);
197         omap_set_gpio_direction(LED1_GPIO14, 0);
198         omap_set_gpio_dataout(LED1_GPIO14, 0);
199         /* LED2  - AA4 */
200         omap_cfg_reg(AA4_242X_GPIO15);
201         omap_request_gpio(LED2_GPIO15);
202         omap_set_gpio_direction(LED2_GPIO15, 0);
203         omap_set_gpio_dataout(LED2_GPIO15, 0);
204 }
205
206 static irqreturn_t apollon_sw_interrupt(int irq, void *ignored, struct pt_regs *regs)
207 {
208         static unsigned int led0, led1, led2;
209
210         if (irq == OMAP_GPIO_IRQ(SW_ENTER_GPIO16))
211                 omap_set_gpio_dataout(LED0_GPIO13, led0 ^= 1);
212         else if (irq == OMAP_GPIO_IRQ(SW_UP_GPIO17))
213                 omap_set_gpio_dataout(LED1_GPIO14, led1 ^= 1);
214         else if (irq == OMAP_GPIO_IRQ(SW_DOWN_GPIO58))
215                 omap_set_gpio_dataout(LED2_GPIO15, led2 ^= 1);
216
217         return IRQ_HANDLED;
218 }
219
220 static void __init apollon_sw_init(void)
221 {
222         /* Enter SW - Y11 */
223         omap_cfg_reg(Y11_242X_GPIO16);
224         omap_request_gpio(SW_ENTER_GPIO16);
225         omap_set_gpio_direction(SW_ENTER_GPIO16, 1);
226         /* Up SW - AA12 */
227         omap_cfg_reg(AA12_242X_GPIO17);
228         omap_request_gpio(SW_UP_GPIO17);
229         omap_set_gpio_direction(SW_UP_GPIO17, 1);
230         /* Down SW - AA8 */
231         omap_cfg_reg(AA8_242X_GPIO58);
232         omap_request_gpio(SW_DOWN_GPIO58);
233         omap_set_gpio_direction(SW_DOWN_GPIO58, 1);
234
235         set_irq_type(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), IRQT_RISING);
236         if (request_irq(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), &apollon_sw_interrupt,
237                                 IRQF_SHARED, "enter sw",
238                                 &apollon_sw_interrupt))
239                 return;
240         set_irq_type(OMAP_GPIO_IRQ(SW_UP_GPIO17), IRQT_RISING);
241         if (request_irq(OMAP_GPIO_IRQ(SW_UP_GPIO17), &apollon_sw_interrupt,
242                                 IRQF_SHARED, "up sw",
243                                 &apollon_sw_interrupt))
244                 return;
245         set_irq_type(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), IRQT_RISING);
246         if (request_irq(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), &apollon_sw_interrupt,
247                                 IRQF_SHARED, "down sw",
248                                 &apollon_sw_interrupt))
249                 return;
250 }
251
252 static void __init omap_apollon_init(void)
253 {
254         apollon_led_init();
255         apollon_sw_init();
256
257         /* REVISIT: where's the correct place */
258         omap_cfg_reg(W19_24XX_SYS_NIRQ);
259
260         /*
261          * Make sure the serial ports are muxed on at this point.
262          * You have to mux them off in device drivers later on
263          * if not needed.
264          */
265         platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
266         omap_board_config = apollon_config;
267         omap_board_config_size = ARRAY_SIZE(apollon_config);
268         omap_serial_init();
269 }
270
271 static void __init omap_apollon_map_io(void)
272 {
273         omap2_map_common_io();
274 }
275
276 MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
277         /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
278         .phys_io        = 0x48000000,
279         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
280         .boot_params    = 0x80000100,
281         .map_io         = omap_apollon_map_io,
282         .init_irq       = omap_apollon_init_irq,
283         .init_machine   = omap_apollon_init,
284         .timer          = &omap_timer,
285 MACHINE_END