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>
40 #include <linux/serial_s3c.h>
43 #include <asm/mach/arch.h>
44 #include <asm/mach/map.h>
45 #include <asm/mach/irq.h>
46 #include <asm/mach/flash.h>
48 #include <mach/hardware.h>
50 #include <asm/mach-types.h>
53 #include <mach/regs-lcd.h>
54 #include <mach/regs-gpio.h>
55 #include <mach/gpio-samsung.h>
57 #include <linux/platform_data/i2c-s3c2410.h>
58 #include <plat/devs.h>
60 #include <plat/gpio-cfg.h>
62 #include <linux/mtd/mtd.h>
63 #include <linux/mtd/partitions.h>
64 #include <linux/mtd/map.h>
65 #include <linux/mtd/physmap.h>
67 #include <plat/samsung-time.h>
71 static struct resource amlm5900_nor_resource =
72 DEFINE_RES_MEM(0x00000000, SZ_16M);
74 static struct mtd_partition amlm5900_mtd_partitions[] = {
79 .mask_flags = MTD_WRITEABLE, /* force read-only */
83 .offset = MTDPART_OFS_APPEND,
87 .offset = MTDPART_OFS_APPEND,
91 .offset = MTDPART_OFS_APPEND,
94 .size = MTDPART_SIZ_FULL,
95 .offset = MTDPART_OFS_APPEND,
99 static struct physmap_flash_data amlm5900_flash_data = {
101 .parts = amlm5900_mtd_partitions,
102 .nr_parts = ARRAY_SIZE(amlm5900_mtd_partitions),
105 static struct platform_device amlm5900_device_nor = {
106 .name = "physmap-flash",
109 .platform_data = &amlm5900_flash_data,
112 .resource = &amlm5900_nor_resource,
115 static struct map_desc amlm5900_iodesc[] __initdata = {
118 #define UCON S3C2410_UCON_DEFAULT
119 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
120 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
122 static struct s3c2410_uartcfg amlm5900_uartcfgs[] = {
147 static struct platform_device *amlm5900_devices[] __initdata = {
148 #ifdef CONFIG_FB_S3C2410
156 &s3c_device_usbgadget,
158 &amlm5900_device_nor,
161 static void __init amlm5900_map_io(void)
163 s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc));
164 s3c24xx_init_clocks(0);
165 s3c24xx_init_uarts(amlm5900_uartcfgs, ARRAY_SIZE(amlm5900_uartcfgs));
166 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
169 #ifdef CONFIG_FB_S3C2410
170 static struct s3c2410fb_display __initdata amlm5900_lcd_info = {
174 .type = S3C2410_LCDCON1_STN4,
176 .pixclock = 680000, /* HCLK = 100MHz */
180 .left_margin = 1 << (4 + 3),
181 .right_margin = 8 << 3,
186 .lcdcon5 = 0x00000001,
189 static struct s3c2410fb_mach_info __initdata amlm5900_fb_info = {
191 .displays = &amlm5900_lcd_info,
193 .default_display = 0,
195 .gpccon = 0xaaaaaaaa,
196 .gpccon_mask = 0xffffffff,
198 .gpcup_mask = 0xffffffff,
200 .gpdcon = 0xaaaaaaaa,
201 .gpdcon_mask = 0xffffffff,
203 .gpdup_mask = 0xffffffff,
208 amlm5900_wake_interrupt(int irq, void *ignored)
213 static void amlm5900_init_pm(void)
217 ret = request_irq(IRQ_EINT9, &amlm5900_wake_interrupt,
218 IRQF_TRIGGER_RISING | IRQF_SHARED,
219 "amlm5900_wakeup", &amlm5900_wake_interrupt);
221 printk(KERN_ERR "AML-M5900: no wakeup irq, %d?\n", ret);
223 enable_irq_wake(IRQ_EINT9);
224 /* configure the suspend/resume status pin */
225 s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT);
226 s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_UP);
229 static void __init amlm5900_init(void)
232 #ifdef CONFIG_FB_S3C2410
233 s3c24xx_fb_set_platdata(&amlm5900_fb_info);
235 s3c_i2c0_set_platdata(NULL);
236 platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices));
239 MACHINE_START(AML_M5900, "AML_M5900")
240 .atag_offset = 0x100,
241 .map_io = amlm5900_map_io,
242 .init_irq = s3c2410_init_irq,
243 .init_machine = amlm5900_init,
244 .init_time = samsung_timer_init,
245 .restart = s3c2410_restart,