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