target/linux/adm5120/files/arch/mips/adm5120/motorola/pmugw.c

   1 /*
   2  *  Motorola Powerline MU Gateway board
   3  *
   4  *  Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9  *
  10  */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/init.h>
  14 #include <linux/gpio.h>
  15 #include <linux/irq.h>
  16 #include <linux/etherdevice.h>
  17
  18 #include <asm/bootinfo.h>
  19
  20 #include <asm/mach-adm5120/adm5120_defs.h>
  21 #include <asm/mach-adm5120/adm5120_board.h>
  22 #include <asm/mach-adm5120/adm5120_platform.h>
  23 #include <asm/mach-adm5120/adm5120_info.h>
  24
  25 #include <prom/admboot.h>
  26
  27 #define PMUGW_CONFIG_OFFSET     0x10000
  28 #define PMUGW_CONFIG_SIZE       0x1000
  29
  30 #ifdef CONFIG_MTD_PARTITIONS
  31 static struct mtd_partition pmugw_partitions[] = {
  32         {
  33                 .name   = "admboot",
  34                 .offset = 0,
  35                 .size   = 64*1024,
  36                 .mask_flags = MTD_WRITEABLE,
  37         } , {
  38                 .name   = "boardcfg",
  39                 .offset = MTDPART_OFS_APPEND,
  40                 .size   = 64*1024,
  41         } , {
  42                 .name   = "firmware",
  43                 .offset = MTDPART_OFS_APPEND,
  44                 .size   = MTDPART_SIZ_FULL,
  45         }
  46 };
  47 #endif /* CONFIG_MTD_PARTITIONS */
  48
  49 static u8 pmugw_vlans[6] __initdata = {
  50         0x41, 0x42, 0x44, 0x48, 0x50, 0x00
  51 };
  52
  53 static __init void pmugw_setup_mac(void)
  54 {
  55         u8 mac_base[6];
  56         int err;
  57
  58         err = admboot_get_mac_base(PMUGW_CONFIG_OFFSET,
  59                                    PMUGW_CONFIG_SIZE, mac_base);
  60
  61         if ((err) || !is_valid_ether_addr(mac_base))
  62                 random_ether_addr(mac_base);
  63
  64         adm5120_setup_eth_macs(mac_base);
  65 }
  66
  67 static void switch_bank_gpio5(unsigned bank)
  68 {
  69         switch (bank) {
  70         case 0:
  71                 gpio_set_value(ADM5120_GPIO_PIN5, 0);
  72                 break;
  73         case 1:
  74                 gpio_set_value(ADM5120_GPIO_PIN5, 1);
  75                 break;
  76         }
  77 }
  78
  79 void __init pmugw_setup(void)
  80 {
  81         /* setup flash A20 line */
  82         gpio_request(ADM5120_GPIO_PIN5, NULL);
  83         gpio_direction_output(ADM5120_GPIO_PIN5, 0);
  84         adm5120_flash0_data.switch_bank = switch_bank_gpio5;
  85
  86 #ifdef CONFIG_MTD_PARTITIONS
  87         adm5120_flash0_data.nr_parts = ARRAY_SIZE(pmugw_partitions);
  88         adm5120_flash0_data.parts = pmugw_partitions;
  89 #endif /* CONFIG_MTD_PARTITIONS */
  90
  91         adm5120_add_device_uart(1); /* ttyS0 */
  92         adm5120_add_device_uart(0); /* ttyS1 */
  93
  94         adm5120_add_device_flash(0);
  95
  96         pmugw_setup_mac();
  97         adm5120_add_device_switch(5, pmugw_vlans);
  98 }
  99
 100 ADM5120_BOARD(MACH_ADM5120_PMUGW,
 101                 "Motorola Powerline MU Gateway",
 102                 pmugw_setup);