target/linux/ar71xx/files/arch/mips/ath79/mach-ap96.c

   1 /*
   2  *  Atheros AP96 board support
   3  *
   4  *  Copyright (C) 2009 Marco Porsch
   5  *  Copyright (C) 2009-2012 Gabor Juhos <juhosg@openwrt.org>
   6  *  Copyright (C) 2010 Atheros Communications
   7  *
   8  *  This program is free software; you can redistribute it and/or modify it
   9  *  under the terms of the GNU General Public License version 2 as published
  10  *  by the Free Software Foundation.
  11  */
  12
  13 #include <linux/platform_device.h>
  14 #include <linux/delay.h>
  15
  16 #include <asm/mach-ath79/ath79.h>
  17
  18 #include "dev-ap9x-pci.h"
  19 #include "dev-eth.h"
  20 #include "dev-gpio-buttons.h"
  21 #include "dev-leds-gpio.h"
  22 #include "dev-m25p80.h"
  23 #include "dev-usb.h"
  24 #include "machtypes.h"
  25
  26 #define AP96_GPIO_LED_12_GREEN          0
  27 #define AP96_GPIO_LED_3_GREEN           1
  28 #define AP96_GPIO_LED_2_GREEN           2
  29 #define AP96_GPIO_LED_WPS_GREEN         4
  30 #define AP96_GPIO_LED_5_GREEN           5
  31 #define AP96_GPIO_LED_4_ORANGE          6
  32
  33 /* Reset button - next to the power connector */
  34 #define AP96_GPIO_BTN_RESET             3
  35 /* WPS button - next to a led on right */
  36 #define AP96_GPIO_BTN_WPS               8
  37
  38 #define AP96_KEYS_POLL_INTERVAL         20      /* msecs */
  39 #define AP96_KEYS_DEBOUNCE_INTERVAL     (3 * AP96_KEYS_POLL_INTERVAL)
  40
  41 #define AP96_WMAC0_MAC_OFFSET           0x120c
  42 #define AP96_WMAC1_MAC_OFFSET           0x520c
  43 #define AP96_CALDATA0_OFFSET            0x1000
  44 #define AP96_CALDATA1_OFFSET            0x5000
  45
  46 /*
  47  * AP96 has 12 unlabeled leds in the front; these are numbered from 1 to 12
  48  * below (from left to right on the board). Led 1 seems to be on whenever the
  49  * board is powered. Led 11 shows LAN link activity actity. Led 3 is orange;
  50  * others are green.
  51  *
  52  * In addition, there is one led next to a button on the right side for WPS.
  53  */
  54 static struct gpio_led ap96_leds_gpio[] __initdata = {
  55         {
  56                 .name           = "ap96:green:led2",
  57                 .gpio           = AP96_GPIO_LED_2_GREEN,
  58                 .active_low     = 1,
  59         }, {
  60                 .name           = "ap96:green:led3",
  61                 .gpio           = AP96_GPIO_LED_3_GREEN,
  62                 .active_low     = 1,
  63         }, {
  64                 .name           = "ap96:orange:led4",
  65                 .gpio           = AP96_GPIO_LED_4_ORANGE,
  66                 .active_low     = 1,
  67         }, {
  68                 .name           = "ap96:green:led5",
  69                 .gpio           = AP96_GPIO_LED_5_GREEN,
  70                 .active_low     = 1,
  71         }, {
  72                 .name           = "ap96:green:led12",
  73                 .gpio           = AP96_GPIO_LED_12_GREEN,
  74                 .active_low     = 1,
  75         }, { /* next to a button on right */
  76                 .name           = "ap96:green:wps",
  77                 .gpio           = AP96_GPIO_LED_WPS_GREEN,
  78                 .active_low     = 1,
  79         }
  80 };
  81
  82 static struct gpio_keys_button ap96_gpio_keys[] __initdata = {
  83         {
  84                 .desc           = "reset",
  85                 .type           = EV_KEY,
  86                 .code           = KEY_RESTART,
  87                 .debounce_interval = AP96_KEYS_DEBOUNCE_INTERVAL,
  88                 .gpio           = AP96_GPIO_BTN_RESET,
  89                 .active_low     = 1,
  90         }, {
  91                 .desc           = "wps",
  92                 .type           = EV_KEY,
  93                 .code           = KEY_WPS_BUTTON,
  94                 .debounce_interval = AP96_KEYS_DEBOUNCE_INTERVAL,
  95                 .gpio           = AP96_GPIO_BTN_WPS,
  96                 .active_low     = 1,
  97         }
  98 };
  99
 100 #define AP96_WAN_PHYMASK 0x10
 101 #define AP96_LAN_PHYMASK 0x0f
 102
 103 static void __init ap96_setup(void)
 104 {
 105         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 106
 107         ath79_register_mdio(0, ~(AP96_WAN_PHYMASK | AP96_LAN_PHYMASK));
 108
 109         ath79_init_mac(ath79_eth0_data.mac_addr, art, 0);
 110         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 111         ath79_eth0_data.phy_mask = AP96_LAN_PHYMASK;
 112         ath79_eth0_data.speed = SPEED_1000;
 113         ath79_eth0_data.duplex = DUPLEX_FULL;
 114
 115         ath79_register_eth(0);
 116
 117         ath79_init_mac(ath79_eth1_data.mac_addr, art, 1);
 118         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 119         ath79_eth1_data.phy_mask = AP96_WAN_PHYMASK;
 120
 121         ath79_eth1_pll_data.pll_1000 = 0x1f000000;
 122
 123         ath79_register_eth(1);
 124
 125         ath79_register_usb();
 126
 127         ath79_register_m25p80(NULL);
 128
 129         ath79_register_leds_gpio(-1, ARRAY_SIZE(ap96_leds_gpio),
 130                                         ap96_leds_gpio);
 131
 132         ath79_register_gpio_keys_polled(-1, AP96_KEYS_POLL_INTERVAL,
 133                                          ARRAY_SIZE(ap96_gpio_keys),
 134                                          ap96_gpio_keys);
 135
 136         ap94_pci_init(art + AP96_CALDATA0_OFFSET,
 137                       art + AP96_WMAC0_MAC_OFFSET,
 138                       art + AP96_CALDATA1_OFFSET,
 139                       art + AP96_WMAC1_MAC_OFFSET);
 140 }
 141
 142 MIPS_MACHINE(ATH79_MACH_AP96, "AP96", "Atheros AP96", ap96_setup);