arch/arm/mach-s3c24xx/mach-at2440evb.c

   1 /* linux/arch/arm/mach-s3c2440/mach-at2440evb.c
   2  *
   3  * Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com>
   4  *      Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk>
   5  *      and modifications by SBZ <sbz@spgui.org> and
   6  *      Weibing <http://weibing.blogbus.com>
   7  *
   8  * For product information, visit http://www.arm.com/
   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 #include <linux/kernel.h>
  16 #include <linux/types.h>
  17 #include <linux/gpio.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/list.h>
  20 #include <linux/timer.h>
  21 #include <linux/init.h>
  22 #include <linux/io.h>
  23 #include <linux/serial_core.h>
  24 #include <linux/serial_s3c.h>
  25 #include <linux/dm9000.h>
  26 #include <linux/platform_device.h>
  27
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30 #include <asm/mach/irq.h>
  31
  32 #include <mach/hardware.h>
  33 #include <mach/fb.h>
  34 #include <asm/irq.h>
  35 #include <asm/mach-types.h>
  36
  37 #include <mach/regs-gpio.h>
  38 #include <mach/regs-lcd.h>
  39 #include <mach/gpio-samsung.h>
  40 #include <linux/platform_data/mtd-nand-s3c2410.h>
  41 #include <linux/platform_data/i2c-s3c2410.h>
  42
  43 #include <linux/mtd/mtd.h>
  44 #include <linux/mtd/nand.h>
  45 #include <linux/mtd/nand_ecc.h>
  46 #include <linux/mtd/partitions.h>
  47
  48 #include <plat/devs.h>
  49 #include <plat/cpu.h>
  50 #include <linux/platform_data/mmc-s3cmci.h>
  51 #include <plat/samsung-time.h>
  52
  53 #include "common.h"
  54
  55 static struct map_desc at2440evb_iodesc[] __initdata = {
  56         /* Nothing here */
  57 };
  58
  59 #define UCON S3C2410_UCON_DEFAULT
  60 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
  61 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
  62
  63 static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = {
  64         [0] = {
  65                 .hwport      = 0,
  66                 .flags       = 0,
  67                 .ucon        = UCON,
  68                 .ulcon       = ULCON,
  69                 .ufcon       = UFCON,
  70                 .clk_sel        = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
  71         },
  72         [1] = {
  73                 .hwport      = 1,
  74                 .flags       = 0,
  75                 .ucon        = UCON,
  76                 .ulcon       = ULCON,
  77                 .ufcon       = UFCON,
  78                 .clk_sel        = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
  79         },
  80 };
  81
  82 /* NAND Flash on AT2440EVB board */
  83
  84 static struct mtd_partition __initdata at2440evb_default_nand_part[] = {
  85         [0] = {
  86                 .name   = "Boot Agent",
  87                 .size   = SZ_256K,
  88                 .offset = 0,
  89         },
  90         [1] = {
  91                 .name   = "Kernel",
  92                 .size   = SZ_2M,
  93                 .offset = SZ_256K,
  94         },
  95         [2] = {
  96                 .name   = "Root",
  97                 .offset = SZ_256K + SZ_2M,
  98                 .size   = MTDPART_SIZ_FULL,
  99         },
 100 };
 101
 102 static struct s3c2410_nand_set __initdata at2440evb_nand_sets[] = {
 103         [0] = {
 104                 .name           = "nand",
 105                 .nr_chips       = 1,
 106                 .nr_partitions  = ARRAY_SIZE(at2440evb_default_nand_part),
 107                 .partitions     = at2440evb_default_nand_part,
 108         },
 109 };
 110
 111 static struct s3c2410_platform_nand __initdata at2440evb_nand_info = {
 112         .tacls          = 25,
 113         .twrph0         = 55,
 114         .twrph1         = 40,
 115         .nr_sets        = ARRAY_SIZE(at2440evb_nand_sets),
 116         .sets           = at2440evb_nand_sets,
 117         .ecc_mode       = NAND_ECC_SOFT,
 118 };
 119
 120 /* DM9000AEP 10/100 ethernet controller */
 121
 122 static struct resource at2440evb_dm9k_resource[] = {
 123         [0] = DEFINE_RES_MEM(S3C2410_CS3, 4),
 124         [1] = DEFINE_RES_MEM(S3C2410_CS3 + 4, 4),
 125         [2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, IORESOURCE_IRQ \
 126                                         | IORESOURCE_IRQ_HIGHEDGE),
 127 };
 128
 129 static struct dm9000_plat_data at2440evb_dm9k_pdata = {
 130         .flags          = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
 131 };
 132
 133 static struct platform_device at2440evb_device_eth = {
 134         .name           = "dm9000",
 135         .id             = -1,
 136         .num_resources  = ARRAY_SIZE(at2440evb_dm9k_resource),
 137         .resource       = at2440evb_dm9k_resource,
 138         .dev            = {
 139                 .platform_data  = &at2440evb_dm9k_pdata,
 140         },
 141 };
 142
 143 static struct s3c24xx_mci_pdata at2440evb_mci_pdata __initdata = {
 144         .gpio_detect    = S3C2410_GPG(10),
 145 };
 146
 147 /* 7" LCD panel */
 148
 149 static struct s3c2410fb_display at2440evb_lcd_cfg __initdata = {
 150
 151         .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 152                           S3C2410_LCDCON5_INVVLINE |
 153                           S3C2410_LCDCON5_INVVFRAME |
 154                           S3C2410_LCDCON5_PWREN |
 155                           S3C2410_LCDCON5_HWSWP,
 156
 157         .type           = S3C2410_LCDCON1_TFT,
 158
 159         .width          = 800,
 160         .height         = 480,
 161
 162         .pixclock       = 33333, /* HCLK 60 MHz, divisor 2 */
 163         .xres           = 800,
 164         .yres           = 480,
 165         .bpp            = 16,
 166         .left_margin    = 88,
 167         .right_margin   = 40,
 168         .hsync_len      = 128,
 169         .upper_margin   = 32,
 170         .lower_margin   = 11,
 171         .vsync_len      = 2,
 172 };
 173
 174 static struct s3c2410fb_mach_info at2440evb_fb_info __initdata = {
 175         .displays       = &at2440evb_lcd_cfg,
 176         .num_displays   = 1,
 177         .default_display = 0,
 178 };
 179
 180 static struct platform_device *at2440evb_devices[] __initdata = {
 181         &s3c_device_ohci,
 182         &s3c_device_wdt,
 183         &s3c_device_adc,
 184         &s3c_device_i2c0,
 185         &s3c_device_rtc,
 186         &s3c_device_nand,
 187         &s3c_device_sdi,
 188         &s3c_device_lcd,
 189         &at2440evb_device_eth,
 190 };
 191
 192 static void __init at2440evb_map_io(void)
 193 {
 194         s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc));
 195         s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs));
 196         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 197 }
 198
 199 static void __init at2440evb_init_time(void)
 200 {
 201         s3c2440_init_clocks(16934400);
 202         samsung_timer_init();
 203 }
 204
 205 static void __init at2440evb_init(void)
 206 {
 207         s3c24xx_fb_set_platdata(&at2440evb_fb_info);
 208         s3c24xx_mci_set_platdata(&at2440evb_mci_pdata);
 209         s3c_nand_set_platdata(&at2440evb_nand_info);
 210         s3c_i2c0_set_platdata(NULL);
 211
 212         platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices));
 213 }
 214
 215
 216 MACHINE_START(AT2440EVB, "AT2440EVB")
 217         .atag_offset    = 0x100,
 218         .map_io         = at2440evb_map_io,
 219         .init_machine   = at2440evb_init,
 220         .init_irq       = s3c2440_init_irq,
 221         .init_time      = at2440evb_init_time,
 222 MACHINE_END