Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[linux-2.6] / arch / arm / mach-s3c2410 / 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/device.h>
36 #include <linux/platform_device.h>
37 #include <linux/proc_fs.h>
38 #include <linux/serial_core.h>
39 #include <linux/io.h>
40
41 #include <asm/mach/arch.h>
42 #include <asm/mach/map.h>
43 #include <asm/mach/irq.h>
44 #include <asm/mach/flash.h>
45
46 #include <mach/hardware.h>
47 #include <asm/irq.h>
48 #include <asm/mach-types.h>
49 #include <mach/fb.h>
50
51 #include <plat/regs-serial.h>
52 #include <mach/regs-lcd.h>
53 #include <mach/regs-gpio.h>
54
55 #include <plat/iic.h>
56 #include <plat/devs.h>
57 #include <plat/cpu.h>
58
59 #ifdef CONFIG_MTD_PARTITIONS
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 static struct resource amlm5900_nor_resource = {
67                 .start = 0x00000000,
68                 .end   = 0x01000000 - 1,
69                 .flags = IORESOURCE_MEM,
70 };
71
72
73
74 static struct mtd_partition amlm5900_mtd_partitions[] = {
75         {
76                 .name           = "System",
77                 .size           = 0x240000,
78                 .offset         = 0,
79                 .mask_flags     = MTD_WRITEABLE,  /* force read-only */
80         }, {
81                 .name           = "Kernel",
82                 .size           = 0x100000,
83                 .offset         = MTDPART_OFS_APPEND,
84         }, {
85                 .name           = "Ramdisk",
86                 .size           = 0x300000,
87                 .offset         = MTDPART_OFS_APPEND,
88         }, {
89                 .name           = "JFFS2",
90                 .size           = 0x9A0000,
91                 .offset         = MTDPART_OFS_APPEND,
92         }, {
93                 .name           = "Settings",
94                 .size           = MTDPART_SIZ_FULL,
95                 .offset         = MTDPART_OFS_APPEND,
96         }
97 };
98
99 static struct physmap_flash_data amlm5900_flash_data = {
100         .width          = 2,
101         .parts          = amlm5900_mtd_partitions,
102         .nr_parts       = ARRAY_SIZE(amlm5900_mtd_partitions),
103 };
104
105 static struct platform_device amlm5900_device_nor = {
106         .name           = "physmap-flash",
107         .id             = 0,
108         .dev = {
109                         .platform_data = &amlm5900_flash_data,
110                 },
111         .num_resources  = 1,
112         .resource       = &amlm5900_nor_resource,
113 };
114 #endif
115
116 static struct map_desc amlm5900_iodesc[] __initdata = {
117 };
118
119 #define UCON S3C2410_UCON_DEFAULT
120 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
121 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
122
123 static struct s3c2410_uartcfg amlm5900_uartcfgs[] = {
124         [0] = {
125                 .hwport      = 0,
126                 .flags       = 0,
127                 .ucon        = UCON,
128                 .ulcon       = ULCON,
129                 .ufcon       = UFCON,
130         },
131         [1] = {
132                 .hwport      = 1,
133                 .flags       = 0,
134                 .ucon        = UCON,
135                 .ulcon       = ULCON,
136                 .ufcon       = UFCON,
137         },
138         [2] = {
139                 .hwport      = 2,
140                 .flags       = 0,
141                 .ucon        = UCON,
142                 .ulcon       = ULCON,
143                 .ufcon       = UFCON,
144         }
145 };
146
147
148 static struct platform_device *amlm5900_devices[] __initdata = {
149 #ifdef CONFIG_FB_S3C2410
150         &s3c_device_lcd,
151 #endif
152         &s3c_device_adc,
153         &s3c_device_wdt,
154         &s3c_device_i2c0,
155         &s3c_device_usb,
156         &s3c_device_rtc,
157         &s3c_device_usbgadget,
158         &s3c_device_sdi,
159 #ifdef CONFIG_MTD_PARTITIONS
160         &amlm5900_device_nor,
161 #endif
162 };
163
164 static void __init amlm5900_map_io(void)
165 {
166         s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc));
167         s3c24xx_init_clocks(0);
168         s3c24xx_init_uarts(amlm5900_uartcfgs, ARRAY_SIZE(amlm5900_uartcfgs));
169 }
170
171 #ifdef CONFIG_FB_S3C2410
172 static struct s3c2410fb_display __initdata amlm5900_lcd_info = {
173         .width          = 160,
174         .height         = 160,
175
176         .type           = S3C2410_LCDCON1_STN4,
177
178         .pixclock       = 680000, /* HCLK = 100MHz */
179         .xres           = 160,
180         .yres           = 160,
181         .bpp            = 4,
182         .left_margin    = 1 << (4 + 3),
183         .right_margin   = 8 << 3,
184         .hsync_len      = 48,
185         .upper_margin   = 0,
186         .lower_margin   = 0,
187
188         .lcdcon5        = 0x00000001,
189 };
190
191 static struct s3c2410fb_mach_info __initdata amlm5900_fb_info = {
192
193         .displays = &amlm5900_lcd_info,
194         .num_displays = 1,
195         .default_display = 0,
196
197         .gpccon =       0xaaaaaaaa,
198         .gpccon_mask =  0xffffffff,
199         .gpcup =        0x0000ffff,
200         .gpcup_mask =   0xffffffff,
201
202         .gpdcon =       0xaaaaaaaa,
203         .gpdcon_mask =  0xffffffff,
204         .gpdup =        0x0000ffff,
205         .gpdup_mask =   0xffffffff,
206 };
207 #endif
208
209 static irqreturn_t
210 amlm5900_wake_interrupt(int irq, void *ignored)
211 {
212         return IRQ_HANDLED;
213 }
214
215 static void amlm5900_init_pm(void)
216 {
217         int ret = 0;
218
219         ret = request_irq(IRQ_EINT9, &amlm5900_wake_interrupt,
220                                 IRQF_TRIGGER_RISING | IRQF_SHARED,
221                                 "amlm5900_wakeup", &amlm5900_wake_interrupt);
222         if (ret != 0) {
223                 printk(KERN_ERR "AML-M5900: no wakeup irq, %d?\n", ret);
224         } else {
225                 enable_irq_wake(IRQ_EINT9);
226                 /* configure the suspend/resume status pin */
227                 s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPF2_OUTP);
228                 s3c2410_gpio_pullup(S3C2410_GPF2, 0);
229         }
230 }
231 static void __init amlm5900_init(void)
232 {
233         amlm5900_init_pm();
234 #ifdef CONFIG_FB_S3C2410
235         s3c24xx_fb_set_platdata(&amlm5900_fb_info);
236 #endif
237         s3c_i2c0_set_platdata(NULL);
238         platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices));
239 }
240
241 MACHINE_START(AML_M5900, "AML_M5900")
242         .phys_io        = S3C2410_PA_UART,
243         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
244         .boot_params    = S3C2410_SDRAM_PA + 0x100,
245         .map_io         = amlm5900_map_io,
246         .init_irq       = s3c24xx_init_irq,
247         .init_machine   = amlm5900_init,
248         .timer          = &s3c24xx_timer,
249 MACHINE_END