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/mtd/mtd.h>
  15 #include <linux/mtd/partitions.h>
  16 #include <linux/delay.h>
  17
  18 #include <asm/mach-ath79/ath79.h>
  19
  20 #include "dev-ap9x-pci.h"
  21 #include "dev-eth.h"
  22 #include "dev-gpio-buttons.h"
  23 #include "dev-leds-gpio.h"
  24 #include "dev-m25p80.h"
  25 #include "dev-usb.h"
  26 #include "machtypes.h"
  27
  28 #define AP96_GPIO_LED_12_GREEN          0
  29 #define AP96_GPIO_LED_3_GREEN           1
  30 #define AP96_GPIO_LED_2_GREEN           2
  31 #define AP96_GPIO_LED_WPS_GREEN         4
  32 #define AP96_GPIO_LED_5_GREEN           5
  33 #define AP96_GPIO_LED_4_ORANGE          6
  34
  35 /* Reset button - next to the power connector */
  36 #define AP96_GPIO_BTN_RESET             3
  37 /* WPS button - next to a led on right */
  38 #define AP96_GPIO_BTN_WPS               8
  39
  40 #define AP96_KEYS_POLL_INTERVAL         20      /* msecs */
  41 #define AP96_KEYS_DEBOUNCE_INTERVAL     (3 * AP96_KEYS_POLL_INTERVAL)
  42
  43 #define AP96_WMAC0_MAC_OFFSET           0x120c
  44 #define AP96_WMAC1_MAC_OFFSET           0x520c
  45 #define AP96_CALDATA0_OFFSET            0x1000
  46 #define AP96_CALDATA1_OFFSET            0x5000
  47
  48 static struct mtd_partition ap96_partitions[] = {
  49         {
  50                 .name           = "uboot",
  51                 .offset         = 0,
  52                 .size           = 0x030000,
  53                 .mask_flags     = MTD_WRITEABLE,
  54         }, {
  55                 .name           = "env",
  56                 .offset         = 0x030000,
  57                 .size           = 0x010000,
  58                 .mask_flags     = MTD_WRITEABLE,
  59         }, {
  60                 .name           = "rootfs",
  61                 .offset         = 0x040000,
  62                 .size           = 0x600000,
  63         }, {
  64                 .name           = "uImage",
  65                 .offset         = 0x640000,
  66                 .size           = 0x1b0000,
  67         }, {
  68                 .name           = "caldata",
  69                 .offset         = 0x7f0000,
  70                 .size           = 0x010000,
  71                 .mask_flags     = MTD_WRITEABLE,
  72         }
  73 };
  74
  75 static struct flash_platform_data ap96_flash_data = {
  76         .parts          = ap96_partitions,
  77         .nr_parts       = ARRAY_SIZE(ap96_partitions),
  78 };
  79
  80 /*
  81  * AP96 has 12 unlabeled leds in the front; these are numbered from 1 to 12
  82  * below (from left to right on the board). Led 1 seems to be on whenever the
  83  * board is powered. Led 11 shows LAN link activity actity. Led 3 is orange;
  84  * others are green.
  85  *
  86  * In addition, there is one led next to a button on the right side for WPS.
  87  */
  88 static struct gpio_led ap96_leds_gpio[] __initdata = {
  89         {
  90                 .name           = "ap96:green:led2",
  91                 .gpio           = AP96_GPIO_LED_2_GREEN,
  92                 .active_low     = 1,
  93         }, {
  94                 .name           = "ap96:green:led3",
  95                 .gpio           = AP96_GPIO_LED_3_GREEN,
  96                 .active_low     = 1,
  97         }, {
  98                 .name           = "ap96:orange:led4",
  99                 .gpio           = AP96_GPIO_LED_4_ORANGE,
 100                 .active_low     = 1,
 101         }, {
 102                 .name           = "ap96:green:led5",
 103                 .gpio           = AP96_GPIO_LED_5_GREEN,
 104                 .active_low     = 1,
 105         }, {
 106                 .name           = "ap96:green:led12",
 107                 .gpio           = AP96_GPIO_LED_12_GREEN,
 108                 .active_low     = 1,
 109         }, { /* next to a button on right */
 110                 .name           = "ap96:green:wps",
 111                 .gpio           = AP96_GPIO_LED_WPS_GREEN,
 112                 .active_low     = 1,
 113         }
 114 };
 115
 116 static struct gpio_keys_button ap96_gpio_keys[] __initdata = {
 117         {
 118                 .desc           = "reset",
 119                 .type           = EV_KEY,
 120                 .code           = KEY_RESTART,
 121                 .debounce_interval = AP96_KEYS_DEBOUNCE_INTERVAL,
 122                 .gpio           = AP96_GPIO_BTN_RESET,
 123                 .active_low     = 1,
 124         }, {
 125                 .desc           = "wps",
 126                 .type           = EV_KEY,
 127                 .code           = KEY_WPS_BUTTON,
 128                 .debounce_interval = AP96_KEYS_DEBOUNCE_INTERVAL,
 129                 .gpio           = AP96_GPIO_BTN_WPS,
 130                 .active_low     = 1,
 131         }
 132 };
 133
 134 #define AP96_WAN_PHYMASK 0x10
 135 #define AP96_LAN_PHYMASK 0x0f
 136
 137 static void __init ap96_setup(void)
 138 {
 139         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 140
 141         ath79_register_mdio(0, ~(AP96_WAN_PHYMASK | AP96_LAN_PHYMASK));
 142
 143         ath79_init_mac(ath79_eth0_data.mac_addr, art, 0);
 144         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 145         ath79_eth0_data.phy_mask = AP96_LAN_PHYMASK;
 146         ath79_eth0_data.speed = SPEED_1000;
 147         ath79_eth0_data.duplex = DUPLEX_FULL;
 148
 149         ath79_register_eth(0);
 150
 151         ath79_init_mac(ath79_eth1_data.mac_addr, art, 1);
 152         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 153         ath79_eth1_data.phy_mask = AP96_WAN_PHYMASK;
 154
 155         ath79_eth1_pll_data.pll_1000 = 0x1f000000;
 156
 157         ath79_register_eth(1);
 158
 159         ath79_register_usb();
 160
 161         ath79_register_m25p80(&ap96_flash_data);
 162
 163         ath79_register_leds_gpio(-1, ARRAY_SIZE(ap96_leds_gpio),
 164                                         ap96_leds_gpio);
 165
 166         ath79_register_gpio_keys_polled(-1, AP96_KEYS_POLL_INTERVAL,
 167                                          ARRAY_SIZE(ap96_gpio_keys),
 168                                          ap96_gpio_keys);
 169
 170         ap94_pci_init(art + AP96_CALDATA0_OFFSET,
 171                       art + AP96_WMAC0_MAC_OFFSET,
 172                       art + AP96_CALDATA1_OFFSET,
 173                       art + AP96_WMAC1_MAC_OFFSET);
 174 }
 175
 176 MIPS_MACHINE(ATH79_MACH_AP96, "AP96", "Atheros AP96", ap96_setup);