| 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/mips_machine.h> |
| 19 | |
| 20 | #include <asm/mach-adm5120/adm5120_defs.h> |
| 21 | #include <asm/mach-adm5120/adm5120_platform.h> |
| 22 | #include <asm/mach-adm5120/adm5120_info.h> |
| 23 | |
| 24 | #include <prom/admboot.h> |
| 25 | |
| 26 | #define PMUGW_CONFIG_OFFSET 0x10000 |
| 27 | #define PMUGW_CONFIG_SIZE 0x1000 |
| 28 | |
| 29 | #ifdef CONFIG_MTD_PARTITIONS |
| 30 | static struct mtd_partition pmugw_partitions[] = { |
| 31 | { |
| 32 | .name = "admboot", |
| 33 | .offset = 0, |
| 34 | .size = 64*1024, |
| 35 | .mask_flags = MTD_WRITEABLE, |
| 36 | } , { |
| 37 | .name = "boardcfg", |
| 38 | .offset = MTDPART_OFS_APPEND, |
| 39 | .size = 64*1024, |
| 40 | } , { |
| 41 | .name = "firmware", |
| 42 | .offset = MTDPART_OFS_APPEND, |
| 43 | .size = MTDPART_SIZ_FULL, |
| 44 | } |
| 45 | }; |
| 46 | #endif /* CONFIG_MTD_PARTITIONS */ |
| 47 | |
| 48 | static u8 pmugw_vlans[6] __initdata = { |
| 49 | 0x41, 0x42, 0x44, 0x48, 0x50, 0x00 |
| 50 | }; |
| 51 | |
| 52 | static __init void pmugw_setup_mac(void) |
| 53 | { |
| 54 | u8 mac_base[6]; |
| 55 | int err; |
| 56 | |
| 57 | err = admboot_get_mac_base(PMUGW_CONFIG_OFFSET, |
| 58 | PMUGW_CONFIG_SIZE, mac_base); |
| 59 | |
| 60 | if ((err) || !is_valid_ether_addr(mac_base)) |
| 61 | random_ether_addr(mac_base); |
| 62 | |
| 63 | adm5120_setup_eth_macs(mac_base); |
| 64 | } |
| 65 | |
| 66 | static void switch_bank_gpio5(unsigned bank) |
| 67 | { |
| 68 | switch (bank) { |
| 69 | case 0: |
| 70 | gpio_set_value(ADM5120_GPIO_PIN5, 0); |
| 71 | break; |
| 72 | case 1: |
| 73 | gpio_set_value(ADM5120_GPIO_PIN5, 1); |
| 74 | break; |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | void __init pmugw_setup(void) |
| 79 | { |
| 80 | /* setup flash A20 line */ |
| 81 | gpio_request(ADM5120_GPIO_PIN5, NULL); |
| 82 | gpio_direction_output(ADM5120_GPIO_PIN5, 0); |
| 83 | adm5120_flash0_data.switch_bank = switch_bank_gpio5; |
| 84 | |
| 85 | #ifdef CONFIG_MTD_PARTITIONS |
| 86 | adm5120_flash0_data.nr_parts = ARRAY_SIZE(pmugw_partitions); |
| 87 | adm5120_flash0_data.parts = pmugw_partitions; |
| 88 | #endif /* CONFIG_MTD_PARTITIONS */ |
| 89 | |
| 90 | adm5120_add_device_uart(1); /* ttyS0 */ |
| 91 | adm5120_add_device_uart(0); /* ttyS1 */ |
| 92 | |
| 93 | adm5120_add_device_flash(0); |
| 94 | |
| 95 | pmugw_setup_mac(); |
| 96 | adm5120_add_device_switch(5, pmugw_vlans); |
| 97 | } |
| 98 | |
| 99 | MIPS_MACHINE(MACH_ADM5120_PMUGW, "PMUGW", "Motorola Powerline MU Gateway", |
| 100 | pmugw_setup); |
| 101 | |
