OpenWrt – Rev 2

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/*
 *  Motorola Powerline MU Gateway board
 *
 *  Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
 *
 *  This program is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License version 2 as published
 *  by the Free Software Foundation.
 *
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/irq.h>
#include <linux/etherdevice.h>

#include <asm/mips_machine.h>

#include <asm/mach-adm5120/adm5120_defs.h>
#include <asm/mach-adm5120/adm5120_platform.h>
#include <asm/mach-adm5120/adm5120_info.h>

#include <prom/admboot.h>

#define PMUGW_CONFIG_OFFSET     0x10000
#define PMUGW_CONFIG_SIZE       0x1000

static struct mtd_partition pmugw_partitions[] = {
        {
                .name   = "admboot",
                .offset = 0,
                .size   = 64*1024,
                .mask_flags = MTD_WRITEABLE,
        } , {
                .name   = "boardcfg",
                .offset = MTDPART_OFS_APPEND,
                .size   = 64*1024,
        } , {
                .name   = "firmware",
                .offset = MTDPART_OFS_APPEND,
                .size   = MTDPART_SIZ_FULL,
        }
};

static u8 pmugw_vlans[6] __initdata = {
        0x41, 0x42, 0x44, 0x48, 0x50, 0x00
};

static __init void pmugw_setup_mac(void)
{
        u8 mac_base[6];
        int err;

        err = admboot_get_mac_base(PMUGW_CONFIG_OFFSET,
                                   PMUGW_CONFIG_SIZE, mac_base);

        if ((err) || !is_valid_ether_addr(mac_base))
                random_ether_addr(mac_base);

        adm5120_setup_eth_macs(mac_base);
}

static void switch_bank_gpio5(unsigned bank)
{
        switch (bank) {
        case 0:
                gpio_set_value(ADM5120_GPIO_PIN5, 0);
                break;
        case 1:
                gpio_set_value(ADM5120_GPIO_PIN5, 1);
                break;
        }
}

void __init pmugw_setup(void)
{
        /* setup flash A20 line */
        gpio_request(ADM5120_GPIO_PIN5, NULL);
        gpio_direction_output(ADM5120_GPIO_PIN5, 0);
        adm5120_flash0_data.switch_bank = switch_bank_gpio5;

        adm5120_flash0_data.nr_parts = ARRAY_SIZE(pmugw_partitions);
        adm5120_flash0_data.parts = pmugw_partitions;

        adm5120_add_device_uart(1); /* ttyAM0 */
        adm5120_add_device_uart(0); /* ttyAM1 */

        adm5120_add_device_flash(0);

        pmugw_setup_mac();
        adm5120_add_device_switch(5, pmugw_vlans);
}

MIPS_MACHINE(MACH_ADM5120_PMUGW, "PMUGW", "Motorola Powerline MU Gateway",
             pmugw_setup);