1 /* linux/arch/arm/mach-s3c2410/mach-amlm5900.c
3 * linux/arch/arm/mach-s3c2410/mach-amlm5900.c
5 * Copyright (c) 2006 American Microsystems Limited
6 * David Anders <danders@amltd.com>
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.
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.
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,
24 * derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by
25 * Ben Dooks <ben@simtec.co.uk>
27 ***********************************************************************/
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>
42 #include <asm/mach/arch.h>
43 #include <asm/mach/map.h>
44 #include <asm/mach/irq.h>
45 #include <asm/mach/flash.h>
47 #include <mach/hardware.h>
49 #include <asm/mach-types.h>
52 #include <plat/regs-serial.h>
53 #include <mach/regs-lcd.h>
54 #include <mach/regs-gpio.h>
57 #include <plat/devs.h>
59 #include <plat/gpio-cfg.h>
61 #include <linux/mtd/mtd.h>
62 #include <linux/mtd/partitions.h>
63 #include <linux/mtd/map.h>
64 #include <linux/mtd/physmap.h>
68 static struct resource amlm5900_nor_resource
= {
70 .end
= 0x01000000 - 1,
71 .flags
= IORESOURCE_MEM
,
76 static struct mtd_partition amlm5900_mtd_partitions
[] = {
81 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
85 .offset
= MTDPART_OFS_APPEND
,
89 .offset
= MTDPART_OFS_APPEND
,
93 .offset
= MTDPART_OFS_APPEND
,
96 .size
= MTDPART_SIZ_FULL
,
97 .offset
= MTDPART_OFS_APPEND
,
101 static struct physmap_flash_data amlm5900_flash_data
= {
103 .parts
= amlm5900_mtd_partitions
,
104 .nr_parts
= ARRAY_SIZE(amlm5900_mtd_partitions
),
107 static struct platform_device amlm5900_device_nor
= {
108 .name
= "physmap-flash",
111 .platform_data
= &amlm5900_flash_data
,
114 .resource
= &amlm5900_nor_resource
,
117 static struct map_desc amlm5900_iodesc
[] __initdata
= {
120 #define UCON S3C2410_UCON_DEFAULT
121 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
122 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
124 static struct s3c2410_uartcfg amlm5900_uartcfgs
[] = {
149 static struct platform_device
*amlm5900_devices
[] __initdata
= {
150 #ifdef CONFIG_FB_S3C2410
158 &s3c_device_usbgadget
,
160 &amlm5900_device_nor
,
163 static void __init
amlm5900_map_io(void)
165 s3c24xx_init_io(amlm5900_iodesc
, ARRAY_SIZE(amlm5900_iodesc
));
166 s3c24xx_init_clocks(0);
167 s3c24xx_init_uarts(amlm5900_uartcfgs
, ARRAY_SIZE(amlm5900_uartcfgs
));
170 #ifdef CONFIG_FB_S3C2410
171 static struct s3c2410fb_display __initdata amlm5900_lcd_info
= {
175 .type
= S3C2410_LCDCON1_STN4
,
177 .pixclock
= 680000, /* HCLK = 100MHz */
181 .left_margin
= 1 << (4 + 3),
182 .right_margin
= 8 << 3,
187 .lcdcon5
= 0x00000001,
190 static struct s3c2410fb_mach_info __initdata amlm5900_fb_info
= {
192 .displays
= &amlm5900_lcd_info
,
194 .default_display
= 0,
196 .gpccon
= 0xaaaaaaaa,
197 .gpccon_mask
= 0xffffffff,
199 .gpcup_mask
= 0xffffffff,
201 .gpdcon
= 0xaaaaaaaa,
202 .gpdcon_mask
= 0xffffffff,
204 .gpdup_mask
= 0xffffffff,
209 amlm5900_wake_interrupt(int irq
, void *ignored
)
214 static void amlm5900_init_pm(void)
218 ret
= request_irq(IRQ_EINT9
, &amlm5900_wake_interrupt
,
219 IRQF_TRIGGER_RISING
| IRQF_SHARED
,
220 "amlm5900_wakeup", &amlm5900_wake_interrupt
);
222 printk(KERN_ERR
"AML-M5900: no wakeup irq, %d?\n", ret
);
224 enable_irq_wake(IRQ_EINT9
);
225 /* configure the suspend/resume status pin */
226 s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT
);
227 s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_UP
);
230 static void __init
amlm5900_init(void)
233 #ifdef CONFIG_FB_S3C2410
234 s3c24xx_fb_set_platdata(&amlm5900_fb_info
);
236 s3c_i2c0_set_platdata(NULL
);
237 platform_add_devices(amlm5900_devices
, ARRAY_SIZE(amlm5900_devices
));
240 MACHINE_START(AML_M5900
, "AML_M5900")
241 .atag_offset
= 0x100,
242 .map_io
= amlm5900_map_io
,
243 .init_irq
= s3c24xx_init_irq
,
244 .init_machine
= amlm5900_init
,
245 .timer
= &s3c24xx_timer
,
246 .restart
= s3c2410_restart
,