1 /* linux/arch/arm/mach-s3c2443/mach-smdk2443.c
2  *
3  * Copyright (c) 2007 Simtec Electronics
4  *	Ben Dooks <ben@simtec.co.uk>
5  *
6  * http://www.fluff.org/ben/smdk2443/
7  *
8  * Thanks to Samsung for the loan of an SMDK2443
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  *
14 */
15 
16 #include <linux/kernel.h>
17 #include <linux/types.h>
18 #include <linux/interrupt.h>
19 #include <linux/list.h>
20 #include <linux/timer.h>
21 #include <linux/init.h>
22 #include <linux/serial_core.h>
23 #include <linux/platform_device.h>
24 #include <linux/io.h>
25 
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
29 
30 #include <mach/hardware.h>
31 #include <asm/irq.h>
32 #include <asm/mach-types.h>
33 
34 #include <plat/regs-serial.h>
35 #include <mach/regs-gpio.h>
36 #include <mach/regs-lcd.h>
37 
38 #include <mach/idle.h>
39 #include <mach/fb.h>
40 #include <plat/iic.h>
41 
42 #include <plat/s3c2410.h>
43 #include <plat/s3c2443.h>
44 #include <plat/clock.h>
45 #include <plat/devs.h>
46 #include <plat/cpu.h>
47 
48 #include <plat/common-smdk.h>
49 
50 static struct map_desc smdk2443_iodesc[] __initdata = {
51 	/* ISA IO Space map (memory space selected by A24) */
52 
53 	{
54 		.virtual	= (u32)S3C24XX_VA_ISA_WORD,
55 		.pfn		= __phys_to_pfn(S3C2410_CS2),
56 		.length		= 0x10000,
57 		.type		= MT_DEVICE,
58 	}, {
59 		.virtual	= (u32)S3C24XX_VA_ISA_WORD + 0x10000,
60 		.pfn		= __phys_to_pfn(S3C2410_CS2 + (1<<24)),
61 		.length		= SZ_4M,
62 		.type		= MT_DEVICE,
63 	}, {
64 		.virtual	= (u32)S3C24XX_VA_ISA_BYTE,
65 		.pfn		= __phys_to_pfn(S3C2410_CS2),
66 		.length		= 0x10000,
67 		.type		= MT_DEVICE,
68 	}, {
69 		.virtual	= (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
70 		.pfn		= __phys_to_pfn(S3C2410_CS2 + (1<<24)),
71 		.length		= SZ_4M,
72 		.type		= MT_DEVICE,
73 	}
74 };
75 
76 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
77 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
78 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
79 
80 static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = {
81 	[0] = {
82 		.hwport	     = 0,
83 		.flags	     = 0,
84 		.ucon	     = 0x3c5,
85 		.ulcon	     = 0x03,
86 		.ufcon	     = 0x51,
87 	},
88 	[1] = {
89 		.hwport	     = 1,
90 		.flags	     = 0,
91 		.ucon	     = 0x3c5,
92 		.ulcon	     = 0x03,
93 		.ufcon	     = 0x51,
94 	},
95 	/* IR port */
96 	[2] = {
97 		.hwport	     = 2,
98 		.flags	     = 0,
99 		.ucon	     = 0x3c5,
100 		.ulcon	     = 0x43,
101 		.ufcon	     = 0x51,
102 	},
103 	[3] = {
104 		.hwport	     = 3,
105 		.flags	     = 0,
106 		.ucon	     = 0x3c5,
107 		.ulcon	     = 0x03,
108 		.ufcon	     = 0x51,
109 	}
110 };
111 
112 static struct platform_device *smdk2443_devices[] __initdata = {
113 	&s3c_device_wdt,
114 	&s3c_device_i2c0,
115 	&s3c_device_hsmmc1,
116 #ifdef CONFIG_SND_SOC_SMDK2443_WM9710
117 	&s3c_device_ac97,
118 #endif
119 };
120 
smdk2443_map_io(void)121 static void __init smdk2443_map_io(void)
122 {
123 	s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
124 	s3c24xx_init_clocks(12000000);
125 	s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
126 }
127 
smdk2443_machine_init(void)128 static void __init smdk2443_machine_init(void)
129 {
130 	s3c_i2c0_set_platdata(NULL);
131 
132 #ifdef CONFIG_SND_SOC_SMDK2443_WM9710
133 	s3c24xx_ac97_setup_gpio(S3C24XX_AC97_GPE0);
134 #endif
135 
136 	platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
137 	smdk_machine_init();
138 }
139 
140 MACHINE_START(SMDK2443, "SMDK2443")
141 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
142 	.atag_offset	= 0x100,
143 
144 	.init_irq	= s3c24xx_init_irq,
145 	.map_io		= smdk2443_map_io,
146 	.init_machine	= smdk2443_machine_init,
147 	.timer		= &s3c24xx_timer,
148 	.restart	= s3c2443_restart,
149 MACHINE_END
150