target/linux/ar71xx/files/arch/mips/ar71xx/mach-alfa-nx.c

   1 /*
   2  *  ALFA Network N2/N5 board support
   3  *
   4  *  Copyright (C) 2011 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 #include <linux/mtd/mtd.h>
  12 #include <linux/mtd/partitions.h>
  13
  14 #include <asm/mach-ar71xx/ar71xx.h>
  15
  16 #include "machtype.h"
  17 #include "devices.h"
  18 #include "dev-m25p80.h"
  19 #include "dev-ap91-pci.h"
  20 #include "dev-gpio-buttons.h"
  21 #include "dev-leds-gpio.h"
  22
  23 #define ALFA_NX_GPIO_LED_2              17
  24 #define ALFA_NX_GPIO_LED_3              16
  25 #define ALFA_NX_GPIO_LED_5              12
  26 #define ALFA_NX_GPIO_LED_6              8
  27 #define ALFA_NX_GPIO_LED_7              6
  28 #define ALFA_NX_GPIO_LED_8              7
  29
  30 #define ALFA_NX_GPIO_BTN_RESET          11
  31
  32 #define ALFA_NX_KEYS_POLL_INTERVAL      20      /* msecs */
  33 #define ALFA_NX_KEYS_DEBOUNCE_INTERVAL (3 * ALFA_NX_KEYS_POLL_INTERVAL)
  34
  35 #define ALFA_NX_MAC0_OFFSET             0
  36 #define ALFA_NX_MAC1_OFFSET             6
  37 #define ALFA_NX_CALDATA_OFFSET          0x1000
  38
  39 #ifdef CONFIG_MTD_PARTITIONS
  40 static struct mtd_partition alfa_nx_partitions[] = {
  41         {
  42                 .name           = "u-boot",
  43                 .offset         = 0,
  44                 .size           = 0x040000,
  45                 .mask_flags     = MTD_WRITEABLE,
  46         }, {
  47                 .name           = "u-boot-env",
  48                 .offset         = 0x040000,
  49                 .size           = 0x010000,
  50                 .mask_flags     = MTD_WRITEABLE,
  51         }, {
  52                 .name           = "rootfs",
  53                 .offset         = 0x050000,
  54                 .size           = 0x600000,
  55         }, {
  56                 .name           = "kernel",
  57                 .offset         = 0x650000,
  58                 .size           = 0x190000,
  59         }, {
  60                 .name           = "nvram",
  61                 .offset         = 0x7e0000,
  62                 .size           = 0x010000,
  63                 .mask_flags     = MTD_WRITEABLE,
  64         }, {
  65                 .name           = "art",
  66                 .offset         = 0x7f0000,
  67                 .size           = 0x010000,
  68                 .mask_flags     = MTD_WRITEABLE,
  69         }, {
  70                 .name           = "firmware",
  71                 .offset         = 0x050000,
  72                 .size           = 0x780000,
  73         }
  74 };
  75 #endif /* CONFIG_MTD_PARTITIONS */
  76
  77 static struct flash_platform_data alfa_nx_flash_data = {
  78 #ifdef CONFIG_MTD_PARTITIONS
  79         .parts          = alfa_nx_partitions,
  80         .nr_parts       = ARRAY_SIZE(alfa_nx_partitions),
  81 #endif
  82 };
  83
  84 static struct gpio_keys_button alfa_nx_gpio_keys[] __initdata = {
  85         {
  86                 .desc           = "Reset button",
  87                 .type           = EV_KEY,
  88                 .code           = KEY_RESTART,
  89                 .debounce_interval = ALFA_NX_KEYS_DEBOUNCE_INTERVAL,
  90                 .gpio           = ALFA_NX_GPIO_BTN_RESET,
  91                 .active_low     = 1,
  92         }
  93 };
  94
  95 static struct gpio_led alfa_nx_leds_gpio[] __initdata = {
  96         {
  97                 .name           = "alfa:green:led_2",
  98                 .gpio           = ALFA_NX_GPIO_LED_2,
  99                 .active_low     = 1,
 100         }, {
 101                 .name           = "alfa:green:led_3",
 102                 .gpio           = ALFA_NX_GPIO_LED_3,
 103                 .active_low     = 1,
 104         }, {
 105                 .name           = "alfa:red:led_5",
 106                 .gpio           = ALFA_NX_GPIO_LED_5,
 107                 .active_low     = 1,
 108         }, {
 109                 .name           = "alfa:amber:led_6",
 110                 .gpio           = ALFA_NX_GPIO_LED_6,
 111                 .active_low     = 1,
 112         }, {
 113                 .name           = "alfa:green:led_7",
 114                 .gpio           = ALFA_NX_GPIO_LED_7,
 115                 .active_low     = 1,
 116         }, {
 117                 .name           = "alfa:green:led_8",
 118                 .gpio           = ALFA_NX_GPIO_LED_8,
 119                 .active_low     = 1,
 120         }
 121 };
 122
 123 static void __init alfa_nx_setup(void)
 124 {
 125         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 126
 127         ar71xx_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
 128                                    AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
 129                                    AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
 130                                    AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
 131                                    AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
 132                                    AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
 133
 134         ar71xx_add_device_m25p80(&alfa_nx_flash_data);
 135
 136         ar71xx_add_device_leds_gpio(0, ARRAY_SIZE(alfa_nx_leds_gpio),
 137                                         alfa_nx_leds_gpio);
 138
 139         ar71xx_register_gpio_keys_polled(-1, ALFA_NX_KEYS_POLL_INTERVAL,
 140                                          ARRAY_SIZE(alfa_nx_gpio_keys),
 141                                          alfa_nx_gpio_keys);
 142
 143         ar71xx_add_device_mdio(0, 0x0);
 144
 145         ar71xx_init_mac(ar71xx_eth0_data.mac_addr,
 146                         art + ALFA_NX_MAC0_OFFSET, 0);
 147         ar71xx_init_mac(ar71xx_eth1_data.mac_addr,
 148                         art + ALFA_NX_MAC1_OFFSET, 0);
 149
 150         /* WAN port */
 151         ar71xx_add_device_eth(0);
 152         /* LAN port */
 153         ar71xx_add_device_eth(1);
 154
 155         ap91_pci_init(art + ALFA_NX_CALDATA_OFFSET, NULL);
 156 }
 157
 158 MIPS_MACHINE(AR71XX_MACH_ALFA_NX, "ALFA-NX", "ALFA Network N2/N5",
 159              alfa_nx_setup);