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
48static 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
78static 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
105static 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
130static 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
150static 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
158static 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
165static void __init smdk2440_init_time(void)
166{
167	s3c2440_init_clocks(16934400);
168	samsung_timer_init();
169}
170
171static 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
180MACHINE_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,
188MACHINE_END
189