arch/arm/mach-s3c2440/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/interrupt.h>
  18 #include <linux/list.h>
  19 #include <linux/timer.h>
  20 #include <linux/init.h>
  21 #include <linux/io.h>
  22 #include <linux/serial_core.h>
  23 #include <linux/dm9000.h>
  24 #include <linux/platform_device.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 <mach/fb.h>
  32 #include <asm/irq.h>
  33 #include <asm/mach-types.h>
  34
  35 #include <plat/regs-serial.h>
  36 #include <mach/regs-gpio.h>
  37 #include <mach/regs-mem.h>
  38 #include <mach/regs-lcd.h>
  39 #include <plat/nand.h>
  40 #include <plat/iic.h>
  41
  42 #include <linux/mtd/mtd.h>
  43 #include <linux/mtd/nand.h>
  44 #include <linux/mtd/nand_ecc.h>
  45 #include <linux/mtd/partitions.h>
  46
  47 #include <plat/clock.h>
  48 #include <plat/devs.h>
  49 #include <plat/cpu.h>
  50 #include <plat/mci.h>
  51
  52 #include "common.h"
  53
  54 static struct map_desc at2440evb_iodesc[] __initdata = {
  55         /* Nothing here */
  56 };
  57
  58 #define UCON S3C2410_UCON_DEFAULT
  59 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
  60 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
  61
  62 static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = {
  63         [0] = {
  64                 .hwport      = 0,
  65                 .flags       = 0,
  66                 .ucon        = UCON,
  67                 .ulcon       = ULCON,
  68                 .ufcon       = UFCON,
  69                 .clk_sel        = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
  70         },
  71         [1] = {
  72                 .hwport      = 1,
  73                 .flags       = 0,
  74                 .ucon        = UCON,
  75                 .ulcon       = ULCON,
  76                 .ufcon       = UFCON,
  77                 .clk_sel        = S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
  78         },
  79 };
  80
  81 /* NAND Flash on AT2440EVB board */
  82
  83 static struct mtd_partition __initdata at2440evb_default_nand_part[] = {
  84         [0] = {
  85                 .name   = "Boot Agent",
  86                 .size   = SZ_256K,
  87                 .offset = 0,
  88         },
  89         [1] = {
  90                 .name   = "Kernel",
  91                 .size   = SZ_2M,
  92                 .offset = SZ_256K,
  93         },
  94         [2] = {
  95                 .name   = "Root",
  96                 .offset = SZ_256K + SZ_2M,
  97                 .size   = MTDPART_SIZ_FULL,
  98         },
  99 };
 100
 101 static struct s3c2410_nand_set __initdata at2440evb_nand_sets[] = {
 102         [0] = {
 103                 .name           = "nand",
 104                 .nr_chips       = 1,
 105                 .nr_partitions  = ARRAY_SIZE(at2440evb_default_nand_part),
 106                 .partitions     = at2440evb_default_nand_part,
 107         },
 108 };
 109
 110 static struct s3c2410_platform_nand __initdata at2440evb_nand_info = {
 111         .tacls          = 25,
 112         .twrph0         = 55,
 113         .twrph1         = 40,
 114         .nr_sets        = ARRAY_SIZE(at2440evb_nand_sets),
 115         .sets           = at2440evb_nand_sets,
 116 };
 117
 118 /* DM9000AEP 10/100 ethernet controller */
 119
 120 static struct resource at2440evb_dm9k_resource[] = {
 121         [0] = {
 122                 .start = S3C2410_CS3,
 123                 .end   = S3C2410_CS3 + 3,
 124                 .flags = IORESOURCE_MEM
 125         },
 126         [1] = {
 127                 .start = S3C2410_CS3 + 4,
 128                 .end   = S3C2410_CS3 + 7,
 129                 .flags = IORESOURCE_MEM
 130         },
 131         [2] = {
 132                 .start = IRQ_EINT7,
 133                 .end   = IRQ_EINT7,
 134                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 135         }
 136 };
 137
 138 static struct dm9000_plat_data at2440evb_dm9k_pdata = {
 139         .flags          = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
 140 };
 141
 142 static struct platform_device at2440evb_device_eth = {
 143         .name           = "dm9000",
 144         .id             = -1,
 145         .num_resources  = ARRAY_SIZE(at2440evb_dm9k_resource),
 146         .resource       = at2440evb_dm9k_resource,
 147         .dev            = {
 148                 .platform_data  = &at2440evb_dm9k_pdata,
 149         },
 150 };
 151
 152 static struct s3c24xx_mci_pdata at2440evb_mci_pdata __initdata = {
 153         .gpio_detect    = S3C2410_GPG(10),
 154 };
 155
 156 /* 7" LCD panel */
 157
 158 static struct s3c2410fb_display at2440evb_lcd_cfg __initdata = {
 159
 160         .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 161                           S3C2410_LCDCON5_INVVLINE |
 162                           S3C2410_LCDCON5_INVVFRAME |
 163                           S3C2410_LCDCON5_PWREN |
 164                           S3C2410_LCDCON5_HWSWP,
 165
 166         .type           = S3C2410_LCDCON1_TFT,
 167
 168         .width          = 800,
 169         .height         = 480,
 170
 171         .pixclock       = 33333, /* HCLK 60 MHz, divisor 2 */
 172         .xres           = 800,
 173         .yres           = 480,
 174         .bpp            = 16,
 175         .left_margin    = 88,
 176         .right_margin   = 40,
 177         .hsync_len      = 128,
 178         .upper_margin   = 32,
 179         .lower_margin   = 11,
 180         .vsync_len      = 2,
 181 };
 182
 183 static struct s3c2410fb_mach_info at2440evb_fb_info __initdata = {
 184         .displays       = &at2440evb_lcd_cfg,
 185         .num_displays   = 1,
 186         .default_display = 0,
 187 };
 188
 189 static struct platform_device *at2440evb_devices[] __initdata = {
 190         &s3c_device_ohci,
 191         &s3c_device_wdt,
 192         &s3c_device_adc,
 193         &s3c_device_i2c0,
 194         &s3c_device_rtc,
 195         &s3c_device_nand,
 196         &s3c_device_sdi,
 197         &s3c_device_lcd,
 198         &at2440evb_device_eth,
 199 };
 200
 201 static void __init at2440evb_map_io(void)
 202 {
 203         s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc));
 204         s3c24xx_init_clocks(16934400);
 205         s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs));
 206 }
 207
 208 static void __init at2440evb_init(void)
 209 {
 210         s3c24xx_fb_set_platdata(&at2440evb_fb_info);
 211         s3c24xx_mci_set_platdata(&at2440evb_mci_pdata);
 212         s3c_nand_set_platdata(&at2440evb_nand_info);
 213         s3c_i2c0_set_platdata(NULL);
 214
 215         platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices));
 216 }
 217
 218
 219 MACHINE_START(AT2440EVB, "AT2440EVB")
 220         .atag_offset    = 0x100,
 221         .map_io         = at2440evb_map_io,
 222         .init_machine   = at2440evb_init,
 223         .init_irq       = s3c24xx_init_irq,
 224         .timer          = &s3c24xx_timer,
 225         .restart        = s3c244x_restart,
 226 MACHINE_END