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.arm9e.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
  41 #include <linux/mtd/mtd.h>
  42 #include <linux/mtd/nand.h>
  43 #include <linux/mtd/nand_ecc.h>
  44 #include <linux/mtd/partitions.h>
  45
  46 #include <plat/clock.h>
  47 #include <plat/devs.h>
  48 #include <plat/cpu.h>
  49 #include <asm/plat-s3c24xx/mci.h>
  50
  51 static struct map_desc at2440evb_iodesc[] __initdata = {
  52         /* Nothing here */
  53 };
  54
  55 #define UCON S3C2410_UCON_DEFAULT
  56 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
  57 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
  58
  59 static struct s3c24xx_uart_clksrc at2440evb_serial_clocks[] = {
  60         [0] = {
  61                 .name           = "uclk",
  62                 .divisor        = 1,
  63                 .min_baud       = 0,
  64                 .max_baud       = 0,
  65         },
  66         [1] = {
  67                 .name           = "pclk",
  68                 .divisor        = 1,
  69                 .min_baud       = 0,
  70                 .max_baud       = 0,
  71         }
  72 };
  73
  74
  75 static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = {
  76         [0] = {
  77                 .hwport      = 0,
  78                 .flags       = 0,
  79                 .ucon        = UCON,
  80                 .ulcon       = ULCON,
  81                 .ufcon       = UFCON,
  82                 .clocks      = at2440evb_serial_clocks,
  83                 .clocks_size = ARRAY_SIZE(at2440evb_serial_clocks),
  84         },
  85         [1] = {
  86                 .hwport      = 1,
  87                 .flags       = 0,
  88                 .ucon        = UCON,
  89                 .ulcon       = ULCON,
  90                 .ufcon       = UFCON,
  91                 .clocks      = at2440evb_serial_clocks,
  92                 .clocks_size = ARRAY_SIZE(at2440evb_serial_clocks),
  93         },
  94 };
  95
  96 /* NAND Flash on AT2440EVB board */
  97
  98 static struct mtd_partition at2440evb_default_nand_part[] = {
  99         [0] = {
 100                 .name   = "Boot Agent",
 101                 .size   = SZ_256K,
 102                 .offset = 0,
 103         },
 104         [1] = {
 105                 .name   = "Kernel",
 106                 .size   = SZ_2M,
 107                 .offset = SZ_256K,
 108         },
 109         [2] = {
 110                 .name   = "Root",
 111                 .offset = SZ_256K + SZ_2M,
 112                 .size   = MTDPART_SIZ_FULL,
 113         },
 114 };
 115
 116 static struct s3c2410_nand_set at2440evb_nand_sets[] = {
 117         [0] = {
 118                 .name           = "nand",
 119                 .nr_chips       = 1,
 120                 .nr_partitions  = ARRAY_SIZE(at2440evb_default_nand_part),
 121                 .partitions     = at2440evb_default_nand_part,
 122         },
 123 };
 124
 125 static struct s3c2410_platform_nand at2440evb_nand_info = {
 126         .tacls          = 25,
 127         .twrph0         = 55,
 128         .twrph1         = 40,
 129         .nr_sets        = ARRAY_SIZE(at2440evb_nand_sets),
 130         .sets           = at2440evb_nand_sets,
 131 };
 132
 133 /* DM9000AEP 10/100 ethernet controller */
 134
 135 static struct resource at2440evb_dm9k_resource[] = {
 136         [0] = {
 137                 .start = S3C2410_CS3,
 138                 .end   = S3C2410_CS3 + 3,
 139                 .flags = IORESOURCE_MEM
 140         },
 141         [1] = {
 142                 .start = S3C2410_CS3 + 4,
 143                 .end   = S3C2410_CS3 + 7,
 144                 .flags = IORESOURCE_MEM
 145         },
 146         [2] = {
 147                 .start = IRQ_EINT7,
 148                 .end   = IRQ_EINT7,
 149                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 150         }
 151 };
 152
 153 static struct dm9000_plat_data at2440evb_dm9k_pdata = {
 154         .flags          = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
 155 };
 156
 157 static struct platform_device at2440evb_device_eth = {
 158         .name           = "dm9000",
 159         .id             = -1,
 160         .num_resources  = ARRAY_SIZE(at2440evb_dm9k_resource),
 161         .resource       = at2440evb_dm9k_resource,
 162         .dev            = {
 163                 .platform_data  = &at2440evb_dm9k_pdata,
 164         },
 165 };
 166
 167 static struct s3c24xx_mci_pdata at2440evb_mci_pdata = {
 168         .gpio_detect    = S3C2410_GPG10,
 169 };
 170
 171 /* 7" LCD panel */
 172
 173 static struct s3c2410fb_display at2440evb_lcd_cfg __initdata = {
 174
 175         .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 176                           S3C2410_LCDCON5_INVVLINE |
 177                           S3C2410_LCDCON5_INVVFRAME |
 178                           S3C2410_LCDCON5_PWREN |
 179                           S3C2410_LCDCON5_HWSWP,
 180
 181         .type           = S3C2410_LCDCON1_TFT,
 182
 183         .width          = 800,
 184         .height         = 480,
 185
 186         .pixclock       = 33333, /* HCLK 60 MHz, divisor 2 */
 187         .xres           = 800,
 188         .yres           = 480,
 189         .bpp            = 16,
 190         .left_margin    = 88,
 191         .right_margin   = 40,
 192         .hsync_len      = 128,
 193         .upper_margin   = 32,
 194         .lower_margin   = 11,
 195         .vsync_len      = 2,
 196 };
 197
 198 static struct s3c2410fb_mach_info at2440evb_fb_info __initdata = {
 199         .displays       = &at2440evb_lcd_cfg,
 200         .num_displays   = 1,
 201         .default_display = 0,
 202 };
 203
 204 static struct platform_device *at2440evb_devices[] __initdata = {
 205         &s3c_device_usb,
 206         &s3c_device_wdt,
 207         &s3c_device_adc,
 208         &s3c_device_i2c,
 209         &s3c_device_rtc,
 210         &s3c_device_nand,
 211         &s3c_device_sdi,
 212         &s3c_device_lcd,
 213         &at2440evb_device_eth,
 214 };
 215
 216 static void __init at2440evb_map_io(void)
 217 {
 218         s3c_device_nand.dev.platform_data = &at2440evb_nand_info;
 219         s3c_device_sdi.name = "s3c2440-sdi";
 220         s3c_device_sdi.dev.platform_data = &at2440evb_mci_pdata;
 221
 222         s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc));
 223         s3c24xx_init_clocks(16934400);
 224         s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs));
 225 }
 226
 227 static void __init at2440evb_init(void)
 228 {
 229         s3c24xx_fb_set_platdata(&at2440evb_fb_info);
 230         platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices));
 231 }
 232
 233
 234 MACHINE_START(AT2440EVB, "AT2440EVB")
 235         .phys_io        = S3C2410_PA_UART,
 236         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 237         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 238         .map_io         = at2440evb_map_io,
 239         .init_machine   = at2440evb_init,
 240         .init_irq       = s3c24xx_init_irq,
 241         .timer          = &s3c24xx_timer,
 242 MACHINE_END