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/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/s3c244x.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 #include "common.h"
51 
52 static struct map_desc smdk2440_iodesc[] __initdata = {
53 	/* ISA IO Space map (memory space selected by A24) */
54 
55 	{
56 		.virtual	= (u32)S3C24XX_VA_ISA_WORD,
57 		.pfn		= __phys_to_pfn(S3C2410_CS2),
58 		.length		= 0x10000,
59 		.type		= MT_DEVICE,
60 	}, {
61 		.virtual	= (u32)S3C24XX_VA_ISA_WORD + 0x10000,
62 		.pfn		= __phys_to_pfn(S3C2410_CS2 + (1<<24)),
63 		.length		= SZ_4M,
64 		.type		= MT_DEVICE,
65 	}, {
66 		.virtual	= (u32)S3C24XX_VA_ISA_BYTE,
67 		.pfn		= __phys_to_pfn(S3C2410_CS2),
68 		.length		= 0x10000,
69 		.type		= MT_DEVICE,
70 	}, {
71 		.virtual	= (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
72 		.pfn		= __phys_to_pfn(S3C2410_CS2 + (1<<24)),
73 		.length		= SZ_4M,
74 		.type		= MT_DEVICE,
75 	}
76 };
77 
78 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
79 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
80 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
81 
82 static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = {
83 	[0] = {
84 		.hwport	     = 0,
85 		.flags	     = 0,
86 		.ucon	     = 0x3c5,
87 		.ulcon	     = 0x03,
88 		.ufcon	     = 0x51,
89 	},
90 	[1] = {
91 		.hwport	     = 1,
92 		.flags	     = 0,
93 		.ucon	     = 0x3c5,
94 		.ulcon	     = 0x03,
95 		.ufcon	     = 0x51,
96 	},
97 	/* IR port */
98 	[2] = {
99 		.hwport	     = 2,
100 		.flags	     = 0,
101 		.ucon	     = 0x3c5,
102 		.ulcon	     = 0x43,
103 		.ufcon	     = 0x51,
104 	}
105 };
106 
107 /* LCD driver info */
108 
109 static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = {
110 
111 	.lcdcon5	= S3C2410_LCDCON5_FRM565 |
112 			  S3C2410_LCDCON5_INVVLINE |
113 			  S3C2410_LCDCON5_INVVFRAME |
114 			  S3C2410_LCDCON5_PWREN |
115 			  S3C2410_LCDCON5_HWSWP,
116 
117 	.type		= S3C2410_LCDCON1_TFT,
118 
119 	.width		= 240,
120 	.height		= 320,
121 
122 	.pixclock	= 166667, /* HCLK 60 MHz, divisor 10 */
123 	.xres		= 240,
124 	.yres		= 320,
125 	.bpp		= 16,
126 	.left_margin	= 20,
127 	.right_margin	= 8,
128 	.hsync_len	= 4,
129 	.upper_margin	= 8,
130 	.lower_margin	= 7,
131 	.vsync_len	= 4,
132 };
133 
134 static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
135 	.displays	= &smdk2440_lcd_cfg,
136 	.num_displays	= 1,
137 	.default_display = 0,
138 
139 #if 0
140 	/* currently setup by downloader */
141 	.gpccon		= 0xaa940659,
142 	.gpccon_mask	= 0xffffffff,
143 	.gpcup		= 0x0000ffff,
144 	.gpcup_mask	= 0xffffffff,
145 	.gpdcon		= 0xaa84aaa0,
146 	.gpdcon_mask	= 0xffffffff,
147 	.gpdup		= 0x0000faff,
148 	.gpdup_mask	= 0xffffffff,
149 #endif
150 
151 	.lpcsel		= ((0xCE6) & ~7) | 1<<4,
152 };
153 
154 static struct platform_device *smdk2440_devices[] __initdata = {
155 	&s3c_device_ohci,
156 	&s3c_device_lcd,
157 	&s3c_device_wdt,
158 	&s3c_device_i2c0,
159 	&s3c_device_iis,
160 };
161 
smdk2440_map_io(void)162 static void __init smdk2440_map_io(void)
163 {
164 	s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
165 	s3c24xx_init_clocks(16934400);
166 	s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
167 }
168 
smdk2440_machine_init(void)169 static void __init smdk2440_machine_init(void)
170 {
171 	s3c24xx_fb_set_platdata(&smdk2440_fb_info);
172 	s3c_i2c0_set_platdata(NULL);
173 
174 	platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
175 	smdk_machine_init();
176 }
177 
178 MACHINE_START(S3C2440, "SMDK2440")
179 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
180 	.atag_offset	= 0x100,
181 
182 	.init_irq	= s3c24xx_init_irq,
183 	.map_io		= smdk2440_map_io,
184 	.init_machine	= smdk2440_machine_init,
185 	.timer		= &s3c24xx_timer,
186 	.restart	= s3c244x_restart,
187 MACHINE_END
188