arch/arm/mach-orion/wrt350n_v2-setup.c

   1 /*
   2  * arch/arm/mach-orion/dns323-setup.c
   3  *
   4  * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU Lesser General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/pci.h>
  17 #include <linux/irq.h>
  18 #include <linux/mtd/physmap.h>
  19 #include <linux/mv643xx_eth.h>
  20 #include <linux/leds.h>
  21 #include <linux/gpio_keys.h>
  22 #include <linux/input.h>
  23 #include <linux/i2c.h>
  24 #include <asm/mach-types.h>
  25 #include <asm/gpio.h>
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/pci.h>
  28 #include <asm/arch/orion.h>
  29 #include <asm/arch/platform.h>
  30 #include "common.h"
  31
  32
  33 /****************************************************************************
  34  * Ethernet
  35  */
  36
  37 static struct mv643xx_eth_platform_data wrt350n_v2_eth_data = {
  38         .phy_addr = 0,
  39 };
  40
  41 /****************************************************************************
  42  * 8MiB NOR flash
  43  *
  44  * Layout as used by Linksys:
  45  *  0x00000000-0x00760000 : "kernel"
  46  *  0x001a0000-0x00760000 : "rootfs"
  47  *  0x00760000-0x007a0000 : "lang"
  48  *  0x007a0000-0x007c0000 : "nvram"
  49  *  0x007c0000-0x00800000 : "u-boot"
  50 */
  51
  52 #define WRT350N_V2_NOR_BOOT_BASE 0xf4000000
  53 #define WRT350N_V2_NOR_BOOT_SIZE SZ_8M
  54
  55 static struct mtd_partition wrt350n_v2_partitions[] = {
  56         {
  57                 .name   = "kernel",
  58                 .size   = 0x00760000,
  59                 .offset = 0,
  60         }, {
  61                 .name   = "rootfs",
  62                 .size   = 0x005c0000,
  63                 .offset = 0x001a0000,
  64         }, {
  65                 .name   = "lang",
  66                 .size   = 0x00040000,
  67                 .offset = 0x00760000,
  68         }, {
  69                 .name   = "nvram",
  70                 .size   = 0x00020000,
  71                 .offset = 0x007a0000,
  72         }, {
  73                 .name   = "u-boot",
  74                 .size   = 0x00040000,
  75                 .offset = 0x007c0000,
  76         }
  77 };
  78
  79 static struct physmap_flash_data wrt350n_v2_nor_flash_data = {
  80         .width          = 1,
  81         .parts          = wrt350n_v2_partitions,
  82         .nr_parts       = ARRAY_SIZE(wrt350n_v2_partitions)
  83 };
  84
  85 static struct resource wrt350n_v2_nor_flash_resource = {
  86         .flags          = IORESOURCE_MEM,
  87         .start          = WRT350N_V2_NOR_BOOT_BASE,
  88         .end            = WRT350N_V2_NOR_BOOT_BASE + WRT350N_V2_NOR_BOOT_SIZE - 1,
  89 };
  90
  91 static struct platform_device wrt350n_v2_nor_flash = {
  92         .name           = "physmap-flash",
  93         .id             = 0,
  94         .dev            = { .platform_data = &wrt350n_v2_nor_flash_data, },
  95         .resource       = &wrt350n_v2_nor_flash_resource,
  96         .num_resources  = 1,
  97 };
  98
  99
 100
 101 /**************************************************************************
 102  * General Setup
 103  */
 104
 105 static struct platform_device *wrt350n_v2_plat_devices[] __initdata = {
 106         &wrt350n_v2_nor_flash,
 107 };
 108
 109 static void __init wrt350n_v2_init(void)
 110 {
 111         /* Setup basic Orion functions. Need to be called early. */
 112         orion_init();
 113
 114         /* setup flash mapping
 115          */
 116         orion_setup_cpu_win(ORION_DEV_BOOT, WRT350N_V2_NOR_BOOT_BASE,
 117                             WRT350N_V2_NOR_BOOT_SIZE, -1);
 118
 119
 120         /* set MPP as Linksys's kernel did */
 121         orion_write(MPP_0_7_CTRL, 0x00000003);
 122         orion_write(MPP_8_15_CTRL, 0x00000101);
 123         orion_write(MPP_16_19_CTRL, 0);
 124         orion_write(MPP_DEV_CTRL, 0);
 125
 126         /* register flash and other platform devices */
 127         platform_add_devices(wrt350n_v2_plat_devices,
 128                              ARRAY_SIZE(wrt350n_v2_plat_devices));
 129         orion_eth_init(&wrt350n_v2_eth_data);
 130 }
 131
 132
 133 MACHINE_START(WRT350N_V2, "Linksys WRT350N v2")
 134         /* Maintainer: No-one yet*/
 135         .phys_io        = ORION_REGS_PHYS_BASE,
 136         .io_pg_offst    = ((ORION_REGS_VIRT_BASE) >> 18) & 0xFFFC,
 137         .boot_params    = 0x00000100,
 138         .init_machine   = wrt350n_v2_init,
 139         .map_io         = orion_map_io,
 140         .init_irq       = orion_init_irq,
 141         .timer          = &orion_timer,
 142 MACHINE_END