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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/arm/mach-s3c2410/
1/* linux/arch/arm/mach-s3c2410/mach-otom.c
2 *
3 * Copyright (c) 2004 Nex Vision
4 *   Guillaume GOURAT <guillaume.gourat@nexvision.fr>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 */
11
12#include <linux/kernel.h>
13#include <linux/types.h>
14#include <linux/interrupt.h>
15#include <linux/list.h>
16#include <linux/timer.h>
17#include <linux/init.h>
18#include <linux/serial_core.h>
19#include <linux/platform_device.h>
20#include <linux/io.h>
21
22#include <asm/mach/arch.h>
23#include <asm/mach/map.h>
24#include <asm/mach/irq.h>
25
26#include <mach/otom-map.h>
27
28#include <mach/hardware.h>
29#include <asm/irq.h>
30#include <asm/mach-types.h>
31
32#include <plat/regs-serial.h>
33#include <mach/regs-gpio.h>
34
35#include <plat/s3c2410.h>
36#include <plat/clock.h>
37#include <plat/devs.h>
38#include <plat/iic.h>
39#include <plat/cpu.h>
40
41static struct map_desc otom11_iodesc[] __initdata = {
42  /* Device area */
43	{ (u32)OTOM_VA_CS8900A_BASE, OTOM_PA_CS8900A_BASE, SZ_16M, MT_DEVICE },
44};
45
46#define UCON S3C2410_UCON_DEFAULT
47#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
48#define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
49
50static struct s3c2410_uartcfg otom11_uartcfgs[] __initdata = {
51	[0] = {
52		.hwport	     = 0,
53		.flags	     = 0,
54		.ucon	     = UCON,
55		.ulcon	     = ULCON,
56		.ufcon	     = UFCON,
57	},
58	[1] = {
59		.hwport	     = 1,
60		.flags	     = 0,
61		.ucon	     = UCON,
62		.ulcon	     = ULCON,
63		.ufcon	     = UFCON,
64	},
65	/* port 2 is not actually used */
66	[2] = {
67		.hwport	     = 2,
68		.flags	     = 0,
69		.ucon	     = UCON,
70		.ulcon	     = ULCON,
71		.ufcon	     = UFCON,
72	}
73};
74
75/* NOR Flash on NexVision OTOM board */
76
77static struct resource otom_nor_resource[] = {
78	[0] = {
79		.start = S3C2410_CS0,
80		.end   = S3C2410_CS0 + (4*1024*1024) - 1,
81		.flags = IORESOURCE_MEM,
82	}
83};
84
85static struct platform_device otom_device_nor = {
86	.name		= "mtd-flash",
87	.id		= -1,
88	.num_resources	= ARRAY_SIZE(otom_nor_resource),
89	.resource	= otom_nor_resource,
90};
91
92/* Standard OTOM devices */
93
94static struct platform_device *otom11_devices[] __initdata = {
95	&s3c_device_ohci,
96	&s3c_device_lcd,
97	&s3c_device_wdt,
98	&s3c_device_i2c0,
99	&s3c_device_iis,
100 	&s3c_device_rtc,
101	&otom_device_nor,
102};
103
104static void __init otom11_map_io(void)
105{
106	s3c24xx_init_io(otom11_iodesc, ARRAY_SIZE(otom11_iodesc));
107	s3c24xx_init_clocks(0);
108	s3c24xx_init_uarts(otom11_uartcfgs, ARRAY_SIZE(otom11_uartcfgs));
109}
110
111static void __init otom11_init(void)
112{
113	s3c_i2c0_set_platdata(NULL);
114	platform_add_devices(otom11_devices, ARRAY_SIZE(otom11_devices));
115}
116
117MACHINE_START(OTOM, "Nex Vision - Otom 1.1")
118	/* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
119	.phys_io	= S3C2410_PA_UART,
120	.io_pg_offst	= (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
121	.boot_params	= S3C2410_SDRAM_PA + 0x100,
122	.map_io		= otom11_map_io,
123	.init_machine	= otom11_init,
124	.init_irq	= s3c24xx_init_irq,
125	.timer		= &s3c24xx_timer,
126MACHINE_END
127