ARM: S3C24XX: move s3c24xx_init_irq to s3c2410_init_irq
[sfrench/cifs-2.6.git] / arch / arm / mach-s3c24xx / mach-amlm5900.c
1 /* linux/arch/arm/mach-s3c2410/mach-amlm5900.c
2  *
3  * linux/arch/arm/mach-s3c2410/mach-amlm5900.c
4  *
5  * Copyright (c) 2006 American Microsystems Limited
6  *      David Anders <danders@amltd.com>
7
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  *
23  * @History:
24  * derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by
25  * Ben Dooks <ben@simtec.co.uk>
26  *
27  ***********************************************************************/
28
29 #include <linux/kernel.h>
30 #include <linux/types.h>
31 #include <linux/interrupt.h>
32 #include <linux/list.h>
33 #include <linux/timer.h>
34 #include <linux/init.h>
35 #include <linux/gpio.h>
36 #include <linux/device.h>
37 #include <linux/platform_device.h>
38 #include <linux/proc_fs.h>
39 #include <linux/serial_core.h>
40 #include <linux/io.h>
41
42 #include <asm/mach/arch.h>
43 #include <asm/mach/map.h>
44 #include <asm/mach/irq.h>
45 #include <asm/mach/flash.h>
46
47 #include <mach/hardware.h>
48 #include <asm/irq.h>
49 #include <asm/mach-types.h>
50 #include <mach/fb.h>
51
52 #include <plat/regs-serial.h>
53 #include <mach/regs-lcd.h>
54 #include <mach/regs-gpio.h>
55
56 #include <linux/platform_data/i2c-s3c2410.h>
57 #include <plat/devs.h>
58 #include <plat/cpu.h>
59 #include <plat/gpio-cfg.h>
60
61 #include <linux/mtd/mtd.h>
62 #include <linux/mtd/partitions.h>
63 #include <linux/mtd/map.h>
64 #include <linux/mtd/physmap.h>
65
66 #include <plat/samsung-time.h>
67
68 #include "common.h"
69
70 static struct resource amlm5900_nor_resource =
71                         DEFINE_RES_MEM(0x00000000, SZ_16M);
72
73 static struct mtd_partition amlm5900_mtd_partitions[] = {
74         {
75                 .name           = "System",
76                 .size           = 0x240000,
77                 .offset         = 0,
78                 .mask_flags     = MTD_WRITEABLE,  /* force read-only */
79         }, {
80                 .name           = "Kernel",
81                 .size           = 0x100000,
82                 .offset         = MTDPART_OFS_APPEND,
83         }, {
84                 .name           = "Ramdisk",
85                 .size           = 0x300000,
86                 .offset         = MTDPART_OFS_APPEND,
87         }, {
88                 .name           = "JFFS2",
89                 .size           = 0x9A0000,
90                 .offset         = MTDPART_OFS_APPEND,
91         }, {
92                 .name           = "Settings",
93                 .size           = MTDPART_SIZ_FULL,
94                 .offset         = MTDPART_OFS_APPEND,
95         }
96 };
97
98 static struct physmap_flash_data amlm5900_flash_data = {
99         .width          = 2,
100         .parts          = amlm5900_mtd_partitions,
101         .nr_parts       = ARRAY_SIZE(amlm5900_mtd_partitions),
102 };
103
104 static struct platform_device amlm5900_device_nor = {
105         .name           = "physmap-flash",
106         .id             = 0,
107         .dev = {
108                         .platform_data = &amlm5900_flash_data,
109                 },
110         .num_resources  = 1,
111         .resource       = &amlm5900_nor_resource,
112 };
113
114 static struct map_desc amlm5900_iodesc[] __initdata = {
115 };
116
117 #define UCON S3C2410_UCON_DEFAULT
118 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
119 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
120
121 static struct s3c2410_uartcfg amlm5900_uartcfgs[] = {
122         [0] = {
123                 .hwport      = 0,
124                 .flags       = 0,
125                 .ucon        = UCON,
126                 .ulcon       = ULCON,
127                 .ufcon       = UFCON,
128         },
129         [1] = {
130                 .hwport      = 1,
131                 .flags       = 0,
132                 .ucon        = UCON,
133                 .ulcon       = ULCON,
134                 .ufcon       = UFCON,
135         },
136         [2] = {
137                 .hwport      = 2,
138                 .flags       = 0,
139                 .ucon        = UCON,
140                 .ulcon       = ULCON,
141                 .ufcon       = UFCON,
142         }
143 };
144
145
146 static struct platform_device *amlm5900_devices[] __initdata = {
147 #ifdef CONFIG_FB_S3C2410
148         &s3c_device_lcd,
149 #endif
150         &s3c_device_adc,
151         &s3c_device_wdt,
152         &s3c_device_i2c0,
153         &s3c_device_ohci,
154         &s3c_device_rtc,
155         &s3c_device_usbgadget,
156         &s3c_device_sdi,
157         &amlm5900_device_nor,
158 };
159
160 static void __init amlm5900_map_io(void)
161 {
162         s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc));
163         s3c24xx_init_clocks(0);
164         s3c24xx_init_uarts(amlm5900_uartcfgs, ARRAY_SIZE(amlm5900_uartcfgs));
165         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
166 }
167
168 #ifdef CONFIG_FB_S3C2410
169 static struct s3c2410fb_display __initdata amlm5900_lcd_info = {
170         .width          = 160,
171         .height         = 160,
172
173         .type           = S3C2410_LCDCON1_STN4,
174
175         .pixclock       = 680000, /* HCLK = 100MHz */
176         .xres           = 160,
177         .yres           = 160,
178         .bpp            = 4,
179         .left_margin    = 1 << (4 + 3),
180         .right_margin   = 8 << 3,
181         .hsync_len      = 48,
182         .upper_margin   = 0,
183         .lower_margin   = 0,
184
185         .lcdcon5        = 0x00000001,
186 };
187
188 static struct s3c2410fb_mach_info __initdata amlm5900_fb_info = {
189
190         .displays = &amlm5900_lcd_info,
191         .num_displays = 1,
192         .default_display = 0,
193
194         .gpccon =       0xaaaaaaaa,
195         .gpccon_mask =  0xffffffff,
196         .gpcup =        0x0000ffff,
197         .gpcup_mask =   0xffffffff,
198
199         .gpdcon =       0xaaaaaaaa,
200         .gpdcon_mask =  0xffffffff,
201         .gpdup =        0x0000ffff,
202         .gpdup_mask =   0xffffffff,
203 };
204 #endif
205
206 static irqreturn_t
207 amlm5900_wake_interrupt(int irq, void *ignored)
208 {
209         return IRQ_HANDLED;
210 }
211
212 static void amlm5900_init_pm(void)
213 {
214         int ret = 0;
215
216         ret = request_irq(IRQ_EINT9, &amlm5900_wake_interrupt,
217                                 IRQF_TRIGGER_RISING | IRQF_SHARED,
218                                 "amlm5900_wakeup", &amlm5900_wake_interrupt);
219         if (ret != 0) {
220                 printk(KERN_ERR "AML-M5900: no wakeup irq, %d?\n", ret);
221         } else {
222                 enable_irq_wake(IRQ_EINT9);
223                 /* configure the suspend/resume status pin */
224                 s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT);
225                 s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_UP);
226         }
227 }
228 static void __init amlm5900_init(void)
229 {
230         amlm5900_init_pm();
231 #ifdef CONFIG_FB_S3C2410
232         s3c24xx_fb_set_platdata(&amlm5900_fb_info);
233 #endif
234         s3c_i2c0_set_platdata(NULL);
235         platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices));
236 }
237
238 MACHINE_START(AML_M5900, "AML_M5900")
239         .atag_offset    = 0x100,
240         .map_io         = amlm5900_map_io,
241         .init_irq       = s3c2410_init_irq,
242         .init_machine   = amlm5900_init,
243         .init_time      = samsung_timer_init,
244         .restart        = s3c2410_restart,
245 MACHINE_END