release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-s3c2410/mach-tct_hammer.c

   1 /* linux/arch/arm/mach-s3c2410/mach-tct_hammer.c
   2  *
   3  * Copyright (c) 2007 TinCanTools
   4  *      David Anders <danders@amltd.com>
   5
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of
   9  * the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  19  * MA 02111-1307 USA
  20  *
  21  * @History:
  22  * derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by
  23  * Ben Dooks <ben@simtec.co.uk>
  24  *
  25  ***********************************************************************/
  26
  27 #include <linux/kernel.h>
  28 #include <linux/types.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/list.h>
  31 #include <linux/timer.h>
  32 #include <linux/init.h>
  33 #include <linux/device.h>
  34 #include <linux/platform_device.h>
  35 #include <linux/serial_core.h>
  36 #include <linux/io.h>
  37
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40 #include <asm/mach/irq.h>
  41 #include <asm/mach/flash.h>
  42
  43 #include <mach/hardware.h>
  44 #include <asm/irq.h>
  45 #include <asm/mach-types.h>
  46
  47 #include <plat/regs-serial.h>
  48 #include <plat/iic.h>
  49 #include <plat/devs.h>
  50 #include <plat/cpu.h>
  51
  52 #ifdef CONFIG_MTD_PARTITIONS
  53
  54 #include <linux/mtd/mtd.h>
  55 #include <linux/mtd/partitions.h>
  56 #include <linux/mtd/map.h>
  57 #include <linux/mtd/physmap.h>
  58
  59 static struct resource tct_hammer_nor_resource = {
  60                 .start = 0x00000000,
  61                 .end   = 0x01000000 - 1,
  62                 .flags = IORESOURCE_MEM,
  63 };
  64
  65 static struct mtd_partition tct_hammer_mtd_partitions[] = {
  66         {
  67                 .name           = "System",
  68                 .size           = 0x240000,
  69                 .offset         = 0,
  70                 .mask_flags     = MTD_WRITEABLE,  /* force read-only */
  71         }, {
  72                 .name           = "JFFS2",
  73                 .size           = MTDPART_SIZ_FULL,
  74                 .offset         = MTDPART_OFS_APPEND,
  75         }
  76 };
  77
  78 static struct physmap_flash_data tct_hammer_flash_data = {
  79         .width          = 2,
  80         .parts          = tct_hammer_mtd_partitions,
  81         .nr_parts       = ARRAY_SIZE(tct_hammer_mtd_partitions),
  82 };
  83
  84 static struct platform_device tct_hammer_device_nor = {
  85         .name           = "physmap-flash",
  86         .id             = 0,
  87         .dev = {
  88                         .platform_data = &tct_hammer_flash_data,
  89                 },
  90         .num_resources  = 1,
  91         .resource       = &tct_hammer_nor_resource,
  92 };
  93
  94 #endif
  95
  96 static struct map_desc tct_hammer_iodesc[] __initdata = {
  97 };
  98
  99 #define UCON S3C2410_UCON_DEFAULT
 100 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
 101 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
 102
 103 static struct s3c2410_uartcfg tct_hammer_uartcfgs[] = {
 104         [0] = {
 105                 .hwport      = 0,
 106                 .flags       = 0,
 107                 .ucon        = UCON,
 108                 .ulcon       = ULCON,
 109                 .ufcon       = UFCON,
 110         },
 111         [1] = {
 112                 .hwport      = 1,
 113                 .flags       = 0,
 114                 .ucon        = UCON,
 115                 .ulcon       = ULCON,
 116                 .ufcon       = UFCON,
 117         },
 118         [2] = {
 119                 .hwport      = 2,
 120                 .flags       = 0,
 121                 .ucon        = UCON,
 122                 .ulcon       = ULCON,
 123                 .ufcon       = UFCON,
 124         }
 125 };
 126
 127
 128 static struct platform_device *tct_hammer_devices[] __initdata = {
 129         &s3c_device_adc,
 130         &s3c_device_wdt,
 131         &s3c_device_i2c0,
 132         &s3c_device_ohci,
 133         &s3c_device_rtc,
 134         &s3c_device_usbgadget,
 135         &s3c_device_sdi,
 136 #ifdef CONFIG_MTD_PARTITIONS
 137         &tct_hammer_device_nor,
 138 #endif
 139 };
 140
 141 static void __init tct_hammer_map_io(void)
 142 {
 143         s3c24xx_init_io(tct_hammer_iodesc, ARRAY_SIZE(tct_hammer_iodesc));
 144         s3c24xx_init_clocks(0);
 145         s3c24xx_init_uarts(tct_hammer_uartcfgs, ARRAY_SIZE(tct_hammer_uartcfgs));
 146 }
 147
 148 static void __init tct_hammer_init(void)
 149 {
 150         s3c_i2c0_set_platdata(NULL);
 151         platform_add_devices(tct_hammer_devices, ARRAY_SIZE(tct_hammer_devices));
 152 }
 153
 154 MACHINE_START(TCT_HAMMER, "TCT_HAMMER")
 155         .phys_io        = S3C2410_PA_UART,
 156         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 157         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 158         .map_io         = tct_hammer_map_io,
 159         .init_irq       = s3c24xx_init_irq,
 160         .init_machine   = tct_hammer_init,
 161         .timer          = &s3c24xx_timer,
 162 MACHINE_END