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

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * board-sg.c -- support for the SnapGear KS8695 based boards
   4 */
   5
   6#include <linux/kernel.h>
   7#include <linux/types.h>
   8#include <linux/init.h>
   9#include <linux/platform_device.h>
  10#include <linux/mtd/mtd.h>
  11#include <linux/mtd/map.h>
  12#include <linux/mtd/physmap.h>
  13#include <linux/mtd/partitions.h>
  14#include <asm/mach-types.h>
  15#include <asm/mach/arch.h>
  16#include "devices.h"
  17#include "generic.h"
  18
  19/*
  20 * The SG310 machine type is fitted with a conventional 8MB Strataflash
  21 * device. Define its partitioning.
  22 */
  23#define FL_BASE         0x02000000
  24#define FL_SIZE         SZ_8M
  25
  26static struct mtd_partition sg_mtd_partitions[] = {
  27        [0] = {
  28                .name   = "SnapGear Boot Loader",
  29                .size   = SZ_128K,
  30        },
  31        [1] = {
  32                .name   = "SnapGear non-volatile configuration",
  33                .size   = SZ_512K,
  34                .offset = SZ_256K,
  35        },
  36        [2] = {
  37                .name   = "SnapGear image",
  38                .offset = SZ_512K + SZ_256K,
  39        },
  40        [3] = {
  41                .name   = "SnapGear StrataFlash",
  42        },
  43        [4] = {
  44                .name   = "SnapGear Boot Tags",
  45                .size   = SZ_128K,
  46                .offset = SZ_128K,
  47        },
  48};
  49
  50static struct physmap_flash_data sg_mtd_pdata = {
  51        .width          = 1,
  52        .nr_parts       = ARRAY_SIZE(sg_mtd_partitions),
  53        .parts          = sg_mtd_partitions,
  54};
  55
  56
  57static struct resource sg_mtd_resource[] = {
  58        [0] = {
  59                .start = FL_BASE,
  60                .end   = FL_BASE + FL_SIZE - 1,
  61                .flags = IORESOURCE_MEM,
  62        },
  63};
  64
  65static struct platform_device sg_mtd_device = {
  66        .name           = "physmap-flash",
  67        .id             = 0,
  68        .num_resources  = ARRAY_SIZE(sg_mtd_resource),
  69        .resource       = sg_mtd_resource,
  70        .dev            = {
  71                .platform_data = &sg_mtd_pdata,
  72        },
  73};
  74
  75static void __init sg_init(void)
  76{
  77        ks8695_add_device_lan();
  78        ks8695_add_device_wan();
  79
  80        if (machine_is_sg310())
  81                platform_device_register(&sg_mtd_device);
  82}
  83
  84#ifdef CONFIG_MACH_LITE300
  85MACHINE_START(LITE300, "SecureComputing/SG300")
  86        /* SnapGear */
  87        .atag_offset    = 0x100,
  88        .map_io         = ks8695_map_io,
  89        .init_irq       = ks8695_init_irq,
  90        .init_machine   = sg_init,
  91        .init_time      = ks8695_timer_init,
  92        .restart        = ks8695_restart,
  93MACHINE_END
  94#endif
  95
  96#ifdef CONFIG_MACH_SG310
  97MACHINE_START(SG310, "McAfee/SG310")
  98        /* SnapGear */
  99        .atag_offset    = 0x100,
 100        .map_io         = ks8695_map_io,
 101        .init_irq       = ks8695_init_irq,
 102        .init_machine   = sg_init,
 103        .init_time      = ks8695_timer_init,
 104        .restart        = ks8695_restart,
 105MACHINE_END
 106#endif
 107
 108#ifdef CONFIG_MACH_SE4200
 109MACHINE_START(SE4200, "SecureComputing/SE4200")
 110        /* SnapGear */
 111        .atag_offset    = 0x100,
 112        .map_io         = ks8695_map_io,
 113        .init_irq       = ks8695_init_irq,
 114        .init_machine   = sg_init,
 115        .init_time      = ks8695_timer_init,
 116        .restart        = ks8695_restart,
 117MACHINE_END
 118#endif
 119