arch/arm/mach-ks8695/board-sg.c

   1 /*
   2  * board-sg.c -- support for the SnapGear KS8695 based boards
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 #include <linux/kernel.h>
  10 #include <linux/types.h>
  11 #include <linux/init.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/mtd/mtd.h>
  14 #include <linux/mtd/map.h>
  15 #include <linux/mtd/physmap.h>
  16 #include <linux/mtd/partitions.h>
  17 #include <asm/mach-types.h>
  18 #include <asm/mach/arch.h>
  19 #include "devices.h"
  20 #include "generic.h"
  21
  22 /*
  23  * The SG310 machine type is fitted with a conventional 8MB Strataflash
  24  * device. Define its partitioning.
  25  */
  26 #define FL_BASE         0x02000000
  27 #define FL_SIZE         SZ_8M
  28
  29 static struct mtd_partition sg_mtd_partitions[] = {
  30         [0] = {
  31                 .name   = "SnapGear Boot Loader",
  32                 .size   = SZ_128K,
  33         },
  34         [1] = {
  35                 .name   = "SnapGear non-volatile configuration",
  36                 .size   = SZ_512K,
  37                 .offset = SZ_256K,
  38         },
  39         [2] = {
  40                 .name   = "SnapGear image",
  41                 .offset = SZ_512K + SZ_256K,
  42         },
  43         [3] = {
  44                 .name   = "SnapGear StrataFlash",
  45         },
  46         [4] = {
  47                 .name   = "SnapGear Boot Tags",
  48                 .size   = SZ_128K,
  49                 .offset = SZ_128K,
  50         },
  51 };
  52
  53 static struct physmap_flash_data sg_mtd_pdata = {
  54         .width          = 1,
  55         .nr_parts       = ARRAY_SIZE(sg_mtd_partitions),
  56         .parts          = sg_mtd_partitions,
  57 };
  58
  59
  60 static struct resource sg_mtd_resource[] = {
  61         [0] = {
  62                 .start = FL_BASE,
  63                 .end   = FL_BASE + FL_SIZE - 1,
  64                 .flags = IORESOURCE_MEM,
  65         },
  66 };
  67
  68 static struct platform_device sg_mtd_device = {
  69         .name           = "physmap-flash",
  70         .id             = 0,
  71         .num_resources  = ARRAY_SIZE(sg_mtd_resource),
  72         .resource       = sg_mtd_resource,
  73         .dev            = {
  74                 .platform_data = &sg_mtd_pdata,
  75         },
  76 };
  77
  78 static void __init sg_init(void)
  79 {
  80         ks8695_add_device_lan();
  81         ks8695_add_device_wan();
  82
  83         if (machine_is_sg310())
  84                 platform_device_register(&sg_mtd_device);
  85 }
  86
  87 #ifdef CONFIG_MACH_LITE300
  88 MACHINE_START(LITE300, "SecureComputing/SG300")
  89         /* SnapGear */
  90         .atag_offset    = 0x100,
  91         .map_io         = ks8695_map_io,
  92         .init_irq       = ks8695_init_irq,
  93         .init_machine   = sg_init,
  94         .init_time      = ks8695_timer_init,
  95         .restart        = ks8695_restart,
  96 MACHINE_END
  97 #endif
  98
  99 #ifdef CONFIG_MACH_SG310
 100 MACHINE_START(SG310, "McAfee/SG310")
 101         /* SnapGear */
 102         .atag_offset    = 0x100,
 103         .map_io         = ks8695_map_io,
 104         .init_irq       = ks8695_init_irq,
 105         .init_machine   = sg_init,
 106         .init_time      = ks8695_timer_init,
 107         .restart        = ks8695_restart,
 108 MACHINE_END
 109 #endif
 110
 111 #ifdef CONFIG_MACH_SE4200
 112 MACHINE_START(SE4200, "SecureComputing/SE4200")
 113         /* SnapGear */
 114         .atag_offset    = 0x100,
 115         .map_io         = ks8695_map_io,
 116         .init_irq       = ks8695_init_irq,
 117         .init_machine   = sg_init,
 118         .init_time      = ks8695_timer_init,
 119         .restart        = ks8695_restart,
 120 MACHINE_END
 121 #endif