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

   1 /*
   2  *  Atheros AP96 board support
   3  *
   4  *  Copyright (C) 2009 Marco Porsch
   5  *  Copyright (C) 2009-2010 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-ar71xx/ar71xx.h>
  19
  20 #include "machtype.h"
  21 #include "devices.h"
  22 #include "dev-m25p80.h"
  23 #include "dev-ap94-pci.h"
  24 #include "dev-gpio-buttons.h"
  25 #include "dev-leds-gpio.h"
  26 #include "dev-usb.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_BUTTONS_POLL_INTERVAL    20
  41
  42 #define AP96_WMAC0_MAC_OFFSET           0x120c
  43 #define AP96_WMAC1_MAC_OFFSET           0x520c
  44 #define AP96_CALDATA0_OFFSET            0x1000
  45 #define AP96_CALDATA1_OFFSET            0x5000
  46
  47 #ifdef CONFIG_MTD_PARTITIONS
  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 #endif /* CONFIG_MTD_PARTITIONS */
  75
  76 static struct flash_platform_data ap96_flash_data = {
  77 #ifdef CONFIG_MTD_PARTITIONS
  78         .parts          = ap96_partitions,
  79         .nr_parts       = ARRAY_SIZE(ap96_partitions),
  80 #endif
  81 };
  82
  83 /*
  84  * AP96 has 12 unlabeled leds in the front; these are numbered from 1 to 12
  85  * below (from left to right on the board). Led 1 seems to be on whenever the
  86  * board is powered. Led 11 shows LAN link activity actity. Led 3 is orange;
  87  * others are green.
  88  *
  89  * In addition, there is one led next to a button on the right side for WPS.
  90  */
  91 static struct gpio_led ap96_leds_gpio[] __initdata = {
  92         {
  93                 .name           = "ap96:green:led2",
  94                 .gpio           = AP96_GPIO_LED_2_GREEN,
  95                 .active_low     = 1,
  96         }, {
  97                 .name           = "ap96:green:led3",
  98                 .gpio           = AP96_GPIO_LED_3_GREEN,
  99                 .active_low     = 1,
 100         }, {
 101                 .name           = "ap96:orange:led4",
 102                 .gpio           = AP96_GPIO_LED_4_ORANGE,
 103                 .active_low     = 1,
 104         }, {
 105                 .name           = "ap96:green:led5",
 106                 .gpio           = AP96_GPIO_LED_5_GREEN,
 107                 .active_low     = 1,
 108         }, {
 109                 .name           = "ap96:green:led12",
 110                 .gpio           = AP96_GPIO_LED_12_GREEN,
 111                 .active_low     = 1,
 112         }, { /* next to a button on right */
 113                 .name           = "ap96:green:wps",
 114                 .gpio           = AP96_GPIO_LED_WPS_GREEN,
 115                 .active_low     = 1,
 116         }
 117 };
 118
 119 static struct gpio_button ap96_gpio_buttons[] __initdata = {
 120         {
 121                 .desc           = "reset",
 122                 .type           = EV_KEY,
 123                 .code           = KEY_RESTART,
 124                 .threshold      = 3,
 125                 .gpio           = AP96_GPIO_BTN_RESET,
 126                 .active_low     = 1,
 127         }, {
 128                 .desc           = "wps",
 129                 .type           = EV_KEY,
 130                 .code           = KEY_WPS_BUTTON,
 131                 .threshold      = 3,
 132                 .gpio           = AP96_GPIO_BTN_WPS,
 133                 .active_low     = 1,
 134         }
 135 };
 136
 137 #define AP96_WAN_PHYMASK 0x10
 138 #define AP96_LAN_PHYMASK 0x0f
 139
 140 static void __init ap96_setup(void)
 141 {
 142         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 143
 144         ar71xx_add_device_mdio(~(AP96_WAN_PHYMASK | AP96_LAN_PHYMASK));
 145
 146         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, art, 0);
 147         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 148         ar71xx_eth0_data.phy_mask = AP96_LAN_PHYMASK;
 149         ar71xx_eth0_data.speed = SPEED_1000;
 150         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 151
 152         ar71xx_add_device_eth(0);
 153
 154         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, art, 1);
 155         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 156         ar71xx_eth1_data.phy_mask = AP96_WAN_PHYMASK;
 157
 158         ar71xx_eth1_pll_data.pll_1000 = 0x1f000000;
 159
 160         ar71xx_add_device_eth(1);
 161
 162         ar71xx_add_device_usb();
 163
 164         ar71xx_add_device_m25p80(&ap96_flash_data);
 165
 166         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(ap96_leds_gpio),
 167                                     ap96_leds_gpio);
 168
 169         ar71xx_add_device_gpio_buttons(-1, AP96_BUTTONS_POLL_INTERVAL,
 170                                       ARRAY_SIZE(ap96_gpio_buttons),
 171                                       ap96_gpio_buttons);
 172
 173         ap94_pci_init(art + AP96_CALDATA0_OFFSET,
 174                       art + AP96_WMAC0_MAC_OFFSET,
 175                       art + AP96_CALDATA1_OFFSET,
 176                       art + AP96_WMAC1_MAC_OFFSET);
 177 }
 178
 179 MIPS_MACHINE(AR71XX_MACH_AP96, "AP96", "Atheros AP96", ap96_setup);