target/linux/ar71xx/files/arch/mips/ath79/mach-alfa-nx.c

   1 /*
   2  *  ALFA Network N2/N5 board support
   3  *
   4  *  Copyright (C) 2011-2012 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-ath79/ar71xx_regs.h>
  15 #include <asm/mach-ath79/ath79.h>
  16
  17 #include "common.h"
  18 #include "dev-eth.h"
  19 #include "dev-ap9x-pci.h"
  20 #include "dev-gpio-buttons.h"
  21 #include "dev-leds-gpio.h"
  22 #include "dev-m25p80.h"
  23 #include "machtypes.h"
  24
  25 #define ALFA_NX_GPIO_LED_2              17
  26 #define ALFA_NX_GPIO_LED_3              16
  27 #define ALFA_NX_GPIO_LED_5              12
  28 #define ALFA_NX_GPIO_LED_6              8
  29 #define ALFA_NX_GPIO_LED_7              6
  30 #define ALFA_NX_GPIO_LED_8              7
  31
  32 #define ALFA_NX_GPIO_BTN_RESET          11
  33
  34 #define ALFA_NX_KEYS_POLL_INTERVAL      20      /* msecs */
  35 #define ALFA_NX_KEYS_DEBOUNCE_INTERVAL (3 * ALFA_NX_KEYS_POLL_INTERVAL)
  36
  37 #define ALFA_NX_MAC0_OFFSET             0
  38 #define ALFA_NX_MAC1_OFFSET             6
  39 #define ALFA_NX_CALDATA_OFFSET          0x1000
  40
  41 static struct mtd_partition alfa_nx_partitions[] = {
  42         {
  43                 .name           = "u-boot",
  44                 .offset         = 0,
  45                 .size           = 0x040000,
  46                 .mask_flags     = MTD_WRITEABLE,
  47         }, {
  48                 .name           = "u-boot-env",
  49                 .offset         = 0x040000,
  50                 .size           = 0x010000,
  51                 .mask_flags     = MTD_WRITEABLE,
  52         }, {
  53                 .name           = "rootfs",
  54                 .offset         = 0x050000,
  55                 .size           = 0x600000,
  56         }, {
  57                 .name           = "kernel",
  58                 .offset         = 0x650000,
  59                 .size           = 0x190000,
  60         }, {
  61                 .name           = "nvram",
  62                 .offset         = 0x7e0000,
  63                 .size           = 0x010000,
  64                 .mask_flags     = MTD_WRITEABLE,
  65         }, {
  66                 .name           = "art",
  67                 .offset         = 0x7f0000,
  68                 .size           = 0x010000,
  69                 .mask_flags     = MTD_WRITEABLE,
  70         }, {
  71                 .name           = "firmware",
  72                 .offset         = 0x050000,
  73                 .size           = 0x780000,
  74         }
  75 };
  76
  77 static struct flash_platform_data alfa_nx_flash_data = {
  78         .parts          = alfa_nx_partitions,
  79         .nr_parts       = ARRAY_SIZE(alfa_nx_partitions),
  80 };
  81
  82 static struct gpio_keys_button alfa_nx_gpio_keys[] __initdata = {
  83         {
  84                 .desc           = "Reset button",
  85                 .type           = EV_KEY,
  86                 .code           = KEY_RESTART,
  87                 .debounce_interval = ALFA_NX_KEYS_DEBOUNCE_INTERVAL,
  88                 .gpio           = ALFA_NX_GPIO_BTN_RESET,
  89                 .active_low     = 1,
  90         }
  91 };
  92
  93 static struct gpio_led alfa_nx_leds_gpio[] __initdata = {
  94         {
  95                 .name           = "alfa:green:led_2",
  96                 .gpio           = ALFA_NX_GPIO_LED_2,
  97                 .active_low     = 1,
  98         }, {
  99                 .name           = "alfa:green:led_3",
 100                 .gpio           = ALFA_NX_GPIO_LED_3,
 101                 .active_low     = 1,
 102         }, {
 103                 .name           = "alfa:red:led_5",
 104                 .gpio           = ALFA_NX_GPIO_LED_5,
 105                 .active_low     = 1,
 106         }, {
 107                 .name           = "alfa:amber:led_6",
 108                 .gpio           = ALFA_NX_GPIO_LED_6,
 109                 .active_low     = 1,
 110         }, {
 111                 .name           = "alfa:green:led_7",
 112                 .gpio           = ALFA_NX_GPIO_LED_7,
 113                 .active_low     = 1,
 114         }, {
 115                 .name           = "alfa:green:led_8",
 116                 .gpio           = ALFA_NX_GPIO_LED_8,
 117                 .active_low     = 1,
 118         }
 119 };
 120
 121 static void __init alfa_nx_setup(void)
 122 {
 123         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 124
 125         ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
 126                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
 127                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
 128                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
 129                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
 130                                   AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
 131
 132         ath79_register_m25p80(&alfa_nx_flash_data);
 133
 134         ath79_register_leds_gpio(0, ARRAY_SIZE(alfa_nx_leds_gpio),
 135                                  alfa_nx_leds_gpio);
 136
 137         ath79_register_gpio_keys_polled(-1, ALFA_NX_KEYS_POLL_INTERVAL,
 138                                         ARRAY_SIZE(alfa_nx_gpio_keys),
 139                                         alfa_nx_gpio_keys);
 140
 141         ath79_register_mdio(0, 0x0);
 142
 143         ath79_init_mac(ath79_eth0_data.mac_addr,
 144                        art + ALFA_NX_MAC0_OFFSET, 0);
 145         ath79_init_mac(ath79_eth1_data.mac_addr,
 146                        art + ALFA_NX_MAC1_OFFSET, 0);
 147
 148         /* WAN port */
 149         ath79_register_eth(0);
 150         /* LAN port */
 151         ath79_register_eth(1);
 152
 153         ap91_pci_init(art + ALFA_NX_CALDATA_OFFSET, NULL);
 154 }
 155
 156 MIPS_MACHINE(ATH79_MACH_ALFA_NX, "ALFA-NX", "ALFA Network N2/N5",
 157              alfa_nx_setup);