b3be4c4dc7bc33949b90f2e648ebc07f61ae4fa3
[sfrench/cifs-2.6.git] / arch / arm / mach-s3c24xx / mach-smdk2443.c
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/fb.h>
39 #include <linux/platform_data/i2c-s3c2410.h>
40
41 #include <plat/clock.h>
42 #include <plat/devs.h>
43 #include <plat/cpu.h>
44
45 #include "common.h"
46 #include "common-smdk.h"
47
48 static struct map_desc smdk2443_iodesc[] __initdata = {
49         /* ISA IO Space map (memory space selected by A24) */
50
51         {
52                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
53                 .pfn            = __phys_to_pfn(S3C2410_CS2),
54                 .length         = 0x10000,
55                 .type           = MT_DEVICE,
56         }, {
57                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
58                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
59                 .length         = SZ_4M,
60                 .type           = MT_DEVICE,
61         }, {
62                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
63                 .pfn            = __phys_to_pfn(S3C2410_CS2),
64                 .length         = 0x10000,
65                 .type           = MT_DEVICE,
66         }, {
67                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
68                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
69                 .length         = SZ_4M,
70                 .type           = MT_DEVICE,
71         }
72 };
73
74 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
75 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
76 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
77
78 static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = {
79         [0] = {
80                 .hwport      = 0,
81                 .flags       = 0,
82                 .ucon        = 0x3c5,
83                 .ulcon       = 0x03,
84                 .ufcon       = 0x51,
85         },
86         [1] = {
87                 .hwport      = 1,
88                 .flags       = 0,
89                 .ucon        = 0x3c5,
90                 .ulcon       = 0x03,
91                 .ufcon       = 0x51,
92         },
93         /* IR port */
94         [2] = {
95                 .hwport      = 2,
96                 .flags       = 0,
97                 .ucon        = 0x3c5,
98                 .ulcon       = 0x43,
99                 .ufcon       = 0x51,
100         },
101         [3] = {
102                 .hwport      = 3,
103                 .flags       = 0,
104                 .ucon        = 0x3c5,
105                 .ulcon       = 0x03,
106                 .ufcon       = 0x51,
107         }
108 };
109
110 static struct platform_device *smdk2443_devices[] __initdata = {
111         &s3c_device_wdt,
112         &s3c_device_i2c0,
113         &s3c_device_hsmmc1,
114 #ifdef CONFIG_SND_SOC_SMDK2443_WM9710
115         &s3c_device_ac97,
116 #endif
117 };
118
119 static void __init smdk2443_map_io(void)
120 {
121         s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
122         s3c24xx_init_clocks(12000000);
123         s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
124 }
125
126 static void __init smdk2443_machine_init(void)
127 {
128         s3c_i2c0_set_platdata(NULL);
129
130 #ifdef CONFIG_SND_SOC_SMDK2443_WM9710
131         s3c24xx_ac97_setup_gpio(S3C24XX_AC97_GPE0);
132 #endif
133
134         platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
135         smdk_machine_init();
136 }
137
138 MACHINE_START(SMDK2443, "SMDK2443")
139         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
140         .atag_offset    = 0x100,
141
142         .init_irq       = s3c2443_init_irq,
143         .map_io         = smdk2443_map_io,
144         .init_machine   = smdk2443_machine_init,
145         .init_time      = s3c24xx_timer_init,
146         .restart        = s3c2443_restart,
147 MACHINE_END