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Ben Dooksa21765a2007-02-11 18:31:01 +01001/* linux/arch/arm/mach-s3c2440/mach-smdk2440.c
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 *
Ben Dookse02f8662009-11-13 22:54:13 +00003 * Copyright (c) 2004-2005 Simtec Electronics
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 * 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 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070014*/
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>
Ben Dooksb6d1f542006-12-17 23:22:26 +010022#include <linux/serial_core.h>
Russell Kingd052d1b2005-10-29 19:07:23 +010023#include <linux/platform_device.h>
Russell Kingfced80c2008-09-06 12:10:45 +010024#include <linux/io.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070025
26#include <asm/mach/arch.h>
27#include <asm/mach/map.h>
28#include <asm/mach/irq.h>
29
Russell Kinga09e64f2008-08-05 16:14:15 +010030#include <mach/hardware.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070031#include <asm/irq.h>
32#include <asm/mach-types.h>
33
Ben Dooksa2b7ba92008-10-07 22:26:09 +010034#include <plat/regs-serial.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010035#include <mach/regs-gpio.h>
36#include <mach/regs-lcd.h>
Ben Dooks577189762005-10-28 15:31:47 +010037
Russell Kinga09e64f2008-08-05 16:14:15 +010038#include <mach/fb.h>
Arnd Bergmann436d42c2012-08-24 15:22:12 +020039#include <linux/platform_data/i2c-s3c2410.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070040
Ben Dooksd5120ae2008-10-07 23:09:51 +010041#include <plat/clock.h>
Ben Dooksa2b7ba92008-10-07 22:26:09 +010042#include <plat/devs.h>
43#include <plat/cpu.h>
Romain Naour7f78b6e2013-01-09 18:47:04 -080044#include <plat/samsung-time.h>
Ben Dooksd3f4c572006-04-01 18:33:42 +010045
Kukjin Kimb27b0722012-01-03 14:02:03 +010046#include "common.h"
Kukjin Kim4d512a92013-02-08 10:18:48 -080047#include "common-smdk.h"
Kukjin Kimb27b0722012-01-03 14:02:03 +010048
Linus Torvalds1da177e2005-04-16 15:20:36 -070049static struct map_desc smdk2440_iodesc[] __initdata = {
50 /* ISA IO Space map (memory space selected by A24) */
51
Ben Dookscbe69f92005-11-09 14:05:31 +000052 {
53 .virtual = (u32)S3C24XX_VA_ISA_WORD,
54 .pfn = __phys_to_pfn(S3C2410_CS2),
55 .length = 0x10000,
56 .type = MT_DEVICE,
57 }, {
58 .virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
59 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
60 .length = SZ_4M,
61 .type = MT_DEVICE,
62 }, {
63 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
64 .pfn = __phys_to_pfn(S3C2410_CS2),
65 .length = 0x10000,
66 .type = MT_DEVICE,
67 }, {
68 .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
69 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
70 .length = SZ_4M,
71 .type = MT_DEVICE,
72 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070073};
74
75#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
76#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
77#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
78
Ben Dooks66a9b492006-06-18 23:04:05 +010079static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070080 [0] = {
81 .hwport = 0,
82 .flags = 0,
83 .ucon = 0x3c5,
84 .ulcon = 0x03,
85 .ufcon = 0x51,
86 },
87 [1] = {
88 .hwport = 1,
89 .flags = 0,
90 .ucon = 0x3c5,
91 .ulcon = 0x03,
92 .ufcon = 0x51,
93 },
94 /* IR port */
95 [2] = {
96 .hwport = 2,
97 .flags = 0,
98 .ucon = 0x3c5,
99 .ulcon = 0x43,
100 .ufcon = 0x51,
101 }
102};
103
Ben Dooks577189762005-10-28 15:31:47 +0100104/* LCD driver info */
105
Krzysztof Helt09fe75f2007-10-16 01:28:56 -0700106static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = {
Ben Dooks577189762005-10-28 15:31:47 +0100107
Krzysztof Heltf28ef572007-10-16 01:28:58 -0700108 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
109 S3C2410_LCDCON5_INVVLINE |
110 S3C2410_LCDCON5_INVVFRAME |
111 S3C2410_LCDCON5_PWREN |
112 S3C2410_LCDCON5_HWSWP,
Ben Dooks577189762005-10-28 15:31:47 +0100113
Krzysztof Helt69816692007-10-16 01:29:06 -0700114 .type = S3C2410_LCDCON1_TFT,
Krzysztof Helt09fe75f2007-10-16 01:28:56 -0700115
116 .width = 240,
117 .height = 320,
118
Krzysztof Helt69816692007-10-16 01:29:06 -0700119 .pixclock = 166667, /* HCLK 60 MHz, divisor 10 */
Krzysztof Helt09fe75f2007-10-16 01:28:56 -0700120 .xres = 240,
121 .yres = 320,
122 .bpp = 16,
Krzysztof Helt1f411532007-10-16 01:28:57 -0700123 .left_margin = 20,
124 .right_margin = 8,
Krzysztof Helt93d11f52007-10-16 01:29:00 -0700125 .hsync_len = 4,
Krzysztof Helt5f20f692007-10-16 01:28:59 -0700126 .upper_margin = 8,
127 .lower_margin = 7,
Krzysztof Helt93d11f52007-10-16 01:29:00 -0700128 .vsync_len = 4,
Krzysztof Helt09fe75f2007-10-16 01:28:56 -0700129};
130
131static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
132 .displays = &smdk2440_lcd_cfg,
133 .num_displays = 1,
134 .default_display = 0,
135
Ben Dooks577189762005-10-28 15:31:47 +0100136#if 0
137 /* currently setup by downloader */
138 .gpccon = 0xaa940659,
139 .gpccon_mask = 0xffffffff,
140 .gpcup = 0x0000ffff,
141 .gpcup_mask = 0xffffffff,
142 .gpdcon = 0xaa84aaa0,
143 .gpdcon_mask = 0xffffffff,
144 .gpdup = 0x0000faff,
145 .gpdup_mask = 0xffffffff,
146#endif
147
148 .lpcsel = ((0xCE6) & ~7) | 1<<4,
Ben Dooks577189762005-10-28 15:31:47 +0100149};
150
Linus Torvalds1da177e2005-04-16 15:20:36 -0700151static struct platform_device *smdk2440_devices[] __initdata = {
Ben Dooksb8132482009-11-23 00:13:39 +0000152 &s3c_device_ohci,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153 &s3c_device_lcd,
154 &s3c_device_wdt,
Ben Dooks3e1b7762008-10-31 16:14:40 +0000155 &s3c_device_i2c0,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156 &s3c_device_iis,
157};
158
Ben Dooks5fe10ab2005-09-20 17:24:33 +0100159static void __init smdk2440_map_io(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160{
161 s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
162 s3c24xx_init_clocks(16934400);
163 s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
Romain Naour7f78b6e2013-01-09 18:47:04 -0800164 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165}
166
Ben Dooks5fe10ab2005-09-20 17:24:33 +0100167static void __init smdk2440_machine_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168{
Krzysztof Helt09fe75f2007-10-16 01:28:56 -0700169 s3c24xx_fb_set_platdata(&smdk2440_fb_info);
Ben Dooks3e1b7762008-10-31 16:14:40 +0000170 s3c_i2c0_set_platdata(NULL);
Ben Dooks577189762005-10-28 15:31:47 +0100171
Ben Dooks57e51712007-04-20 11:19:16 +0100172 platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
Ben Dooksd3f4c572006-04-01 18:33:42 +0100173 smdk_machine_init();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174}
175
176MACHINE_START(S3C2440, "SMDK2440")
Ben Dooksafdd2252010-05-07 09:24:05 +0900177 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
Nicolas Pitre69d50712011-07-05 22:38:17 -0400178 .atag_offset = 0x100,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179
Heiko Stuebnerce6c1642013-02-12 09:59:20 -0800180 .init_irq = s3c2440_init_irq,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700181 .map_io = smdk2440_map_io,
182 .init_machine = smdk2440_machine_init,
Romain Naour7f78b6e2013-01-09 18:47:04 -0800183 .init_time = samsung_timer_init,
Heiko Stuebnerc1ba5442012-03-01 13:23:32 +0900184 .restart = s3c244x_restart,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185MACHINE_END