| 1 | /* |
| 2 | * Cellvision/SparkLAN boards |
| 3 | * |
| 4 | * Copyright (C) 2007-2008 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 "cellvision.h" |
| 13 | |
| 14 | #include <prom/admboot.h> |
| 15 | |
| 16 | #define CELLVISION_GPIO_FLASH_A20 ADM5120_GPIO_PIN5 |
| 17 | #define CELLVISION_GPIO_DEV_MASK (1 << CELLVISION_GPIO_FLASH_A20) |
| 18 | |
| 19 | #define CELLVISION_CONFIG_OFFSET 0x8000 |
| 20 | #define CELLVISION_CONFIG_SIZE 0x1000 |
| 21 | |
| 22 | #ifdef CONFIG_MTD_PARTITIONS |
| 23 | static struct mtd_partition cas6xx_partitions[] = { |
| 24 | { |
| 25 | .name = "admboot", |
| 26 | .offset = 0, |
| 27 | .size = 32*1024, |
| 28 | .mask_flags = MTD_WRITEABLE, |
| 29 | } , { |
| 30 | .name = "config", |
| 31 | .offset = MTDPART_OFS_APPEND, |
| 32 | .size = 32*1024, |
| 33 | } , { |
| 34 | .name = "nvfs1", |
| 35 | .offset = MTDPART_OFS_APPEND, |
| 36 | .size = 64*1024, |
| 37 | } , { |
| 38 | .name = "nvfs2", |
| 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 | |
| 48 | static struct mtd_partition cas7xx_partitions[] = { |
| 49 | { |
| 50 | .name = "admboot", |
| 51 | .offset = 0, |
| 52 | .size = 32*1024, |
| 53 | .mask_flags = MTD_WRITEABLE, |
| 54 | } , { |
| 55 | .name = "config", |
| 56 | .offset = MTDPART_OFS_APPEND, |
| 57 | .size = 32*1024, |
| 58 | } , { |
| 59 | .name = "nvfs", |
| 60 | .offset = MTDPART_OFS_APPEND, |
| 61 | .size = 128*1024, |
| 62 | } , { |
| 63 | .name = "firmware", |
| 64 | .offset = MTDPART_OFS_APPEND, |
| 65 | .size = MTDPART_SIZ_FULL, |
| 66 | } |
| 67 | }; |
| 68 | #endif /* CONFIG_MTD_PARTITIONS */ |
| 69 | |
| 70 | static void switch_bank_gpio5(unsigned bank) |
| 71 | { |
| 72 | switch (bank) { |
| 73 | case 0: |
| 74 | gpio_set_value(CELLVISION_GPIO_FLASH_A20, 0); |
| 75 | break; |
| 76 | case 1: |
| 77 | gpio_set_value(CELLVISION_GPIO_FLASH_A20, 1); |
| 78 | break; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | static void __init cellvision_flash_setup(void) |
| 83 | { |
| 84 | /* setup flash A20 line */ |
| 85 | gpio_request(CELLVISION_GPIO_FLASH_A20, NULL); |
| 86 | gpio_direction_output(CELLVISION_GPIO_FLASH_A20, 0); |
| 87 | |
| 88 | adm5120_flash0_data.switch_bank = switch_bank_gpio5; |
| 89 | adm5120_add_device_flash(0); |
| 90 | } |
| 91 | |
| 92 | void __init cellvision_mac_setup(void) |
| 93 | { |
| 94 | u8 mac_base[6]; |
| 95 | int err; |
| 96 | |
| 97 | err = admboot_get_mac_base(CELLVISION_CONFIG_OFFSET, |
| 98 | CELLVISION_CONFIG_SIZE, mac_base); |
| 99 | |
| 100 | if ((err) || !is_valid_ether_addr(mac_base)) |
| 101 | random_ether_addr(mac_base); |
| 102 | |
| 103 | adm5120_setup_eth_macs(mac_base); |
| 104 | } |
| 105 | |
| 106 | void __init cas6xx_flash_setup(void) |
| 107 | { |
| 108 | #ifdef CONFIG_MTD_PARTITIONS |
| 109 | adm5120_flash0_data.nr_parts = ARRAY_SIZE(cas6xx_partitions); |
| 110 | adm5120_flash0_data.parts = cas6xx_partitions; |
| 111 | #endif /* CONFIG_MTD_PARTITIONS */ |
| 112 | |
| 113 | cellvision_flash_setup(); |
| 114 | } |
| 115 | |
| 116 | void __init cas7xx_flash_setup(void) |
| 117 | { |
| 118 | #ifdef CONFIG_MTD_PARTITIONS |
| 119 | adm5120_flash0_data.nr_parts = ARRAY_SIZE(cas7xx_partitions); |
| 120 | adm5120_flash0_data.parts = cas7xx_partitions; |
| 121 | #endif /* CONFIG_MTD_PARTITIONS */ |
| 122 | |
| 123 | cellvision_flash_setup(); |
| 124 | } |
| 125 | |
| 126 | void __init cas6xx_setup(void) |
| 127 | { |
| 128 | cas6xx_flash_setup(); |
| 129 | adm5120_add_device_uart(0); |
| 130 | adm5120_add_device_uart(1); |
| 131 | adm5120_add_device_switch(1, NULL); |
| 132 | } |
| 133 | |
| 134 | MIPS_MACHINE(MACH_ADM5120_CAS630, "Cellvision CAS-630/630W", cas6xx_setup); |
| 135 | MIPS_MACHINE(MACH_ADM5120_CAS670, "Cellvision CAS-670/670W", cas6xx_setup); |
| 136 | |
| 137 | void __init cas7xx_setup(void) |
| 138 | { |
| 139 | cas7xx_flash_setup(); |
| 140 | cellvision_mac_setup(); |
| 141 | adm5120_add_device_uart(0); |
| 142 | adm5120_add_device_uart(1); |
| 143 | adm5120_add_device_switch(1, NULL); |
| 144 | } |
| 145 | |
| 146 | #if 0 |
| 147 | MIPS_MACHINE(MACH_ADM5120_CAS700, "Cellvision CAS-700/700W", cas7xx_setup); |
| 148 | MIPS_MACHINE(MACH_ADM5120_CAS790, "Cellvision CAS-790", cas7xx_setup); |
| 149 | MIPS_MACHINE(MACH_ADM5120_CAS861, "Cellvision CAS-861/861W", cas7xx_setup); |
| 150 | #endif |
| 151 | |