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mach-smdk2443.c
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1 /* linux/arch/arm/mach-s3c2443/mach-smdk2443.c
2  *
3  * Copyright (c) 2007 Simtec Electronics
4  * Ben Dooks <[email protected]>
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>
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,
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,
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 = {
116 #ifdef CONFIG_SND_SOC_SMDK2443_WM9710
117  &s3c_device_ac97,
118 #endif
119 };
120 
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 
128 static void __init smdk2443_machine_init(void)
129 {
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));
138 }
139 
140 MACHINE_START(SMDK2443, "SMDK2443")
141  /* Maintainer: Ben Dooks <[email protected]> */
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,