kernel/2.6.29.6-aldebaran-rt/arch/mips/emma/markeins/platform.c

   1 /*
   2  *  arch/mips/emma2rh/markeins/platofrm.c
   3  *      This file sets up platform devices for EMMA2RH Mark-eins.
   4  *
   5  *  Copyright(C) MontaVista Software Inc, 2006
   6  *
   7  *  Author: dmitry pervushin <dpervushin@ru.mvista.com>
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23 #include <linux/init.h>
  24 #include <linux/kernel.h>
  25 #include <linux/types.h>
  26 #include <linux/ioport.h>
  27 #include <linux/serial_8250.h>
  28 #include <linux/mtd/physmap.h>
  29
  30 #include <asm/cpu.h>
  31 #include <asm/bootinfo.h>
  32 #include <asm/addrspace.h>
  33 #include <asm/time.h>
  34 #include <asm/bcache.h>
  35 #include <asm/irq.h>
  36 #include <asm/reboot.h>
  37 #include <asm/traps.h>
  38
  39 #include <asm/emma/emma2rh.h>
  40
  41
  42 #define I2C_EMMA2RH "emma2rh-iic" /* must be in sync with IIC driver */
  43
  44 static struct resource i2c_emma_resources_0[] = {
  45         {
  46                 .name   = NULL,
  47                 .start  = EMMA2RH_IRQ_PIIC0,
  48                 .end    = EMMA2RH_IRQ_PIIC0,
  49                 .flags  = IORESOURCE_IRQ
  50         }, {
  51                 .name   = NULL,
  52                 .start  = EMMA2RH_PIIC0_BASE,
  53                 .end    = EMMA2RH_PIIC0_BASE + 0x1000,
  54                 .flags  = 0
  55         },
  56 };
  57
  58 struct resource i2c_emma_resources_1[] = {
  59         {
  60                 .name   = NULL,
  61                 .start  = EMMA2RH_IRQ_PIIC1,
  62                 .end    = EMMA2RH_IRQ_PIIC1,
  63                 .flags  = IORESOURCE_IRQ
  64         }, {
  65                 .name   = NULL,
  66                 .start  = EMMA2RH_PIIC1_BASE,
  67                 .end    = EMMA2RH_PIIC1_BASE + 0x1000,
  68                 .flags  = 0
  69         },
  70 };
  71
  72 struct resource i2c_emma_resources_2[] = {
  73         {
  74                 .name   = NULL,
  75                 .start  = EMMA2RH_IRQ_PIIC2,
  76                 .end    = EMMA2RH_IRQ_PIIC2,
  77                 .flags  = IORESOURCE_IRQ
  78         }, {
  79                 .name   = NULL,
  80                 .start  = EMMA2RH_PIIC2_BASE,
  81                 .end    = EMMA2RH_PIIC2_BASE + 0x1000,
  82                 .flags  = 0
  83         },
  84 };
  85
  86 struct platform_device i2c_emma_devices[] = {
  87         [0] = {
  88                 .name = I2C_EMMA2RH,
  89                 .id = 0,
  90                 .resource = i2c_emma_resources_0,
  91                 .num_resources = ARRAY_SIZE(i2c_emma_resources_0),
  92         },
  93         [1] = {
  94                 .name = I2C_EMMA2RH,
  95                 .id = 1,
  96                 .resource = i2c_emma_resources_1,
  97                 .num_resources = ARRAY_SIZE(i2c_emma_resources_1),
  98         },
  99         [2] = {
 100                 .name = I2C_EMMA2RH,
 101                 .id = 2,
 102                 .resource = i2c_emma_resources_2,
 103                 .num_resources = ARRAY_SIZE(i2c_emma_resources_2),
 104         },
 105 };
 106
 107 #define EMMA2RH_SERIAL_CLOCK 18544000
 108 #define EMMA2RH_SERIAL_FLAGS UPF_BOOT_AUTOCONF | UPF_SKIP_TEST
 109
 110 static struct  plat_serial8250_port platform_serial_ports[] = {
 111         [0] = {
 112                 .membase= (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR0_BASE + 3),
 113                 .irq = EMMA2RH_IRQ_PFUR0,
 114                 .uartclk = EMMA2RH_SERIAL_CLOCK,
 115                 .regshift = 4,
 116                 .iotype = UPIO_MEM,
 117                 .flags = EMMA2RH_SERIAL_FLAGS,
 118        }, [1] = {
 119                 .membase = (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR1_BASE + 3),
 120                 .irq = EMMA2RH_IRQ_PFUR1,
 121                 .uartclk = EMMA2RH_SERIAL_CLOCK,
 122                 .regshift = 4,
 123                 .iotype = UPIO_MEM,
 124                 .flags = EMMA2RH_SERIAL_FLAGS,
 125        }, [2] = {
 126                 .membase = (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR2_BASE + 3),
 127                 .irq = EMMA2RH_IRQ_PFUR2,
 128                 .uartclk = EMMA2RH_SERIAL_CLOCK,
 129                 .regshift = 4,
 130                 .iotype = UPIO_MEM,
 131                 .flags = EMMA2RH_SERIAL_FLAGS,
 132        }, [3] = {
 133                 .flags = 0,
 134        },
 135 };
 136
 137 static struct  platform_device serial_emma = {
 138         .name = "serial8250",
 139         .dev = {
 140                 .platform_data = &platform_serial_ports,
 141         },
 142 };
 143
 144 static struct mtd_partition markeins_parts[] = {
 145         [0] = {
 146                 .name = "RootFS",
 147                 .offset = 0x00000000,
 148                 .size = 0x00c00000,
 149         },
 150         [1] = {
 151                 .name = "boot code area",
 152                 .offset = MTDPART_OFS_APPEND,
 153                 .size = 0x00100000,
 154         },
 155         [2] = {
 156                 .name = "kernel image",
 157                 .offset = MTDPART_OFS_APPEND,
 158                 .size = 0x00300000,
 159         },
 160         [3] = {
 161                 .name = "RootFS2",
 162                 .offset = MTDPART_OFS_APPEND,
 163                 .size = 0x00c00000,
 164         },
 165         [4] = {
 166                 .name = "boot code area2",
 167                 .offset = MTDPART_OFS_APPEND,
 168                 .size = 0x00100000,
 169         },
 170         [5] = {
 171                 .name = "kernel image2",
 172                 .offset = MTDPART_OFS_APPEND,
 173                 .size = MTDPART_SIZ_FULL,
 174         },
 175 };
 176
 177 static struct physmap_flash_data markeins_flash_data = {
 178         .width          = 2,
 179         .nr_parts       = ARRAY_SIZE(markeins_parts),
 180         .parts          = markeins_parts
 181 };
 182
 183 static struct resource markeins_flash_resource = {
 184         .start          = 0x1e000000,
 185         .end            = 0x02000000,
 186         .flags          = IORESOURCE_MEM
 187 };
 188
 189 static struct platform_device markeins_flash_device = {
 190         .name           = "physmap-flash",
 191         .id             = 0,
 192         .dev            = {
 193                 .platform_data  = &markeins_flash_data,
 194         },
 195         .num_resources  = 1,
 196         .resource       = &markeins_flash_resource,
 197 };
 198
 199 static struct platform_device *devices[] = {
 200         i2c_emma_devices,
 201         i2c_emma_devices + 1,
 202         i2c_emma_devices + 2,
 203         &serial_emma,
 204         &markeins_flash_device,
 205 };
 206
 207 static int __init platform_devices_setup(void)
 208 {
 209         return platform_add_devices(devices, ARRAY_SIZE(devices));
 210 }
 211
 212 arch_initcall(platform_devices_setup);