1 /* linux/arch/arm/mach-s3c2440/mach-smdk2440.c
2 *
3 * Copyright (c) 2004-2005 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * http://www.fluff.org/ben/smdk2440/
7 *
8 * Thanks to Dimity Andric and TomTom for the loan of an SMDK2440.
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/serial_s3c.h>
24 #include <linux/platform_device.h>
25 #include <linux/io.h>
26
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
29 #include <asm/mach/irq.h>
30
31 #include <mach/hardware.h>
32 #include <asm/irq.h>
33 #include <asm/mach-types.h>
34
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/devs.h>
42 #include <plat/cpu.h>
43 #include <plat/samsung-time.h>
44
45 #include "common.h"
46 #include "common-smdk.h"
47
48 static struct map_desc smdk2440_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 smdk2440_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 };
102
103 /* LCD driver info */
104
105 static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = {
106
107 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
108 S3C2410_LCDCON5_INVVLINE |
109 S3C2410_LCDCON5_INVVFRAME |
110 S3C2410_LCDCON5_PWREN |
111 S3C2410_LCDCON5_HWSWP,
112
113 .type = S3C2410_LCDCON1_TFT,
114
115 .width = 240,
116 .height = 320,
117
118 .pixclock = 166667, /* HCLK 60 MHz, divisor 10 */
119 .xres = 240,
120 .yres = 320,
121 .bpp = 16,
122 .left_margin = 20,
123 .right_margin = 8,
124 .hsync_len = 4,
125 .upper_margin = 8,
126 .lower_margin = 7,
127 .vsync_len = 4,
128 };
129
130 static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
131 .displays = &smdk2440_lcd_cfg,
132 .num_displays = 1,
133 .default_display = 0,
134
135 #if 0
136 /* currently setup by downloader */
137 .gpccon = 0xaa940659,
138 .gpccon_mask = 0xffffffff,
139 .gpcup = 0x0000ffff,
140 .gpcup_mask = 0xffffffff,
141 .gpdcon = 0xaa84aaa0,
142 .gpdcon_mask = 0xffffffff,
143 .gpdup = 0x0000faff,
144 .gpdup_mask = 0xffffffff,
145 #endif
146
147 .lpcsel = ((0xCE6) & ~7) | 1<<4,
148 };
149
150 static struct platform_device *smdk2440_devices[] __initdata = {
151 &s3c_device_ohci,
152 &s3c_device_lcd,
153 &s3c_device_wdt,
154 &s3c_device_i2c0,
155 &s3c_device_iis,
156 };
157
smdk2440_map_io(void)158 static void __init smdk2440_map_io(void)
159 {
160 s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
161 s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
162 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
163 }
164
smdk2440_init_time(void)165 static void __init smdk2440_init_time(void)
166 {
167 s3c2440_init_clocks(16934400);
168 samsung_timer_init();
169 }
170
smdk2440_machine_init(void)171 static void __init smdk2440_machine_init(void)
172 {
173 s3c24xx_fb_set_platdata(&smdk2440_fb_info);
174 s3c_i2c0_set_platdata(NULL);
175
176 platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
177 smdk_machine_init();
178 }
179
180 MACHINE_START(S3C2440, "SMDK2440")
181 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
182 .atag_offset = 0x100,
183
184 .init_irq = s3c2440_init_irq,
185 .map_io = smdk2440_map_io,
186 .init_machine = smdk2440_machine_init,
187 .init_time = smdk2440_init_time,
188 MACHINE_END
189