1 /***********************************************************************
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/device.h>
36 #include <linux/platform_device.h>
37 #include <linux/proc_fs.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
42 #include <asm/mach/irq.h>
43 #include <asm/mach/flash.h>
45 #include <asm/hardware.h>
48 #include <asm/mach-types.h>
49 #include <asm/arch/fb.h>
51 #include <asm/arch/regs-serial.h>
52 #include <asm/arch/regs-lcd.h>
53 #include <asm/arch/regs-gpio.h>
58 #ifdef CONFIG_MTD_PARTITIONS
60 #include <linux/mtd/mtd.h>
61 #include <linux/mtd/partitions.h>
62 #include <linux/mtd/map.h>
63 #include <linux/mtd/physmap.h>
65 static struct resource amlm5900_nor_resource
= {
67 .end
= 0x01000000 - 1,
68 .flags
= IORESOURCE_MEM
,
73 static struct mtd_partition amlm5900_mtd_partitions
[] = {
78 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
82 .offset
= MTDPART_OFS_APPEND
,
86 .offset
= MTDPART_OFS_APPEND
,
90 .offset
= MTDPART_OFS_APPEND
,
93 .size
= MTDPART_SIZ_FULL
,
94 .offset
= MTDPART_OFS_APPEND
,
98 static struct physmap_flash_data amlm5900_flash_data
= {
100 .parts
= amlm5900_mtd_partitions
,
101 .nr_parts
= ARRAY_SIZE(amlm5900_mtd_partitions
),
104 static struct platform_device amlm5900_device_nor
= {
105 .name
= "physmap-flash",
108 .platform_data
= &amlm5900_flash_data
,
111 .resource
= &amlm5900_nor_resource
,
115 static struct map_desc amlm5900_iodesc
[] __initdata
= {
117 .virtual = (u32
)S3C24XX_VA_SPI
,
118 .pfn
= __phys_to_pfn(S3C2410_PA_SPI
),
124 #define UCON S3C2410_UCON_DEFAULT
125 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
126 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
128 static struct s3c2410_uartcfg amlm5900_uartcfgs
[] = {
153 static struct platform_device
*amlm5900_devices
[] __initdata
= {
154 #ifdef CONFIG_FB_S3C2410
162 &s3c_device_usbgadget
,
164 #ifdef CONFIG_MTD_PARTITIONS
165 &amlm5900_device_nor
,
169 static struct s3c24xx_board amlm5900_board __initdata
= {
170 .devices
= amlm5900_devices
,
171 .devices_count
= ARRAY_SIZE(amlm5900_devices
)
174 void __init
amlm5900_map_io(void)
176 s3c24xx_init_io(amlm5900_iodesc
, ARRAY_SIZE(amlm5900_iodesc
));
177 s3c24xx_init_clocks(0);
178 s3c24xx_init_uarts(amlm5900_uartcfgs
, ARRAY_SIZE(amlm5900_uartcfgs
));
179 s3c24xx_set_board(&amlm5900_board
);
182 #ifdef CONFIG_FB_S3C2410
183 static struct s3c2410fb_mach_info __initdata amlm5900_lcd_info
= {
187 /* commented out until stn patch is submitted
188 * .type = S3C2410_LCDCON1_STN4,
190 .gpccon
= 0xaaaaaaaa,
191 .gpccon_mask
= 0xffffffff,
193 .gpcup_mask
= 0xffffffff,
195 .gpdcon
= 0xaaaaaaaa,
196 .gpdcon_mask
= 0xffffffff,
198 .gpdup_mask
= 0xffffffff,
219 .lcdcon1
= 0x00008225,
220 .lcdcon2
= 0x0027c000,
221 .lcdcon3
= 0x00182708,
222 .lcdcon4
= 0x00000002,
223 .lcdcon5
= 0x00000001,
229 amlm5900_wake_interrupt(int irq
, void *ignored
)
234 static void amlm5900_init_pm(void)
238 ret
= request_irq(IRQ_EINT9
, &amlm5900_wake_interrupt
,
239 IRQF_TRIGGER_RISING
| IRQF_SHARED
,
240 "amlm5900_wakeup", &amlm5900_wake_interrupt
);
242 printk(KERN_ERR
"AML-M5900: no wakeup irq, %d?\n", ret
);
244 enable_irq_wake(IRQ_EINT9
);
245 /* configure the suspend/resume status pin */
246 s3c2410_gpio_cfgpin(S3C2410_GPF2
, S3C2410_GPF2_OUTP
);
247 s3c2410_gpio_pullup(S3C2410_GPF2
, 0);
250 static void __init
amlm5900_init(void)
253 #ifdef CONFIG_FB_S3C2410
254 s3c24xx_fb_set_platdata(&amlm5900_lcd_info
);
258 MACHINE_START(AML_M5900
, "AML_M5900")
259 .phys_io
= S3C2410_PA_UART
,
260 .io_pg_offst
= (((u32
)S3C24XX_VA_UART
) >> 18) & 0xfffc,
261 .boot_params
= S3C2410_SDRAM_PA
+ 0x100,
262 .map_io
= amlm5900_map_io
,
263 .init_irq
= s3c24xx_init_irq
,
264 .init_machine
= amlm5900_init
,
265 .timer
= &s3c24xx_timer
,