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/*
* EnGenius EPG5000 board support
*
* Copyright (c) 2014 Jon Suphammer <jon@suphammer.net>
* Copyright (c) 2015 Christian Beier <cb@shoutrlabs.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include <linux/platform_device.h>
#include <linux/ar8216_platform.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
#include "pci.h"
#include "dev-ap9x-pci.h"
#include "dev-gpio-buttons.h"
#include "dev-eth.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"
#include "nvram.h"
#define EPG5000_GPIO_LED_WLAN_5G 23
#define EPG5000_GPIO_LED_WLAN_2G 13
#define EPG5000_GPIO_LED_POWER_AMBER 2
#define EPG5000_GPIO_LED_WPS_AMBER 22
#define EPG5000_GPIO_LED_WPS_BLUE 19
#define EPG5000_GPIO_BTN_WPS 16
#define EPG5000_GPIO_BTN_RESET 17
#define EPG5000_KEYS_POLL_INTERVAL 20 /* msecs */
#define EPG5000_KEYS_DEBOUNCE_INTERVAL (3 * EPG5000_KEYS_POLL_INTERVAL)
#define EPG5000_CALDATA_ADDR 0x1fff0000
#define EPG5000_WMAC_CALDATA_OFFSET 0x1000
#define EPG5000_PCIE_CALDATA_OFFSET 0x5000
#define EPG5000_NVRAM_ADDR 0x1f030000
#define EPG5000_NVRAM_SIZE 0x10000
static struct gpio_led epg5000_leds_gpio[] __initdata = {
{
.name = "epg5000:amber:power",
.gpio = EPG5000_GPIO_LED_POWER_AMBER,
.active_low = 1,
},
{
.name = "epg5000:blue:wps",
.gpio = EPG5000_GPIO_LED_WPS_BLUE,
.active_low = 1,
},
{
.name = "epg5000:amber:wps",
.gpio = EPG5000_GPIO_LED_WPS_AMBER,
.active_low = 1,
},
{
.name = "epg5000:blue:wlan-2g",
.gpio = EPG5000_GPIO_LED_WLAN_2G,
.active_low = 1,
},
{
.name = "epg5000:blue:wlan-5g",
.gpio = EPG5000_GPIO_LED_WLAN_5G,
.active_low = 1,
}
};
static struct gpio_keys_button epg5000_gpio_keys[] __initdata = {
{
.desc = "WPS button",
.type = EV_KEY,
.code = KEY_WPS_BUTTON,
.debounce_interval = EPG5000_KEYS_DEBOUNCE_INTERVAL,
.gpio = EPG5000_GPIO_BTN_WPS,
.active_low = 1,
},
{
.desc = "Reset button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = EPG5000_KEYS_DEBOUNCE_INTERVAL,
.gpio = EPG5000_GPIO_BTN_RESET,
.active_low = 1,
},
};
static struct ar8327_pad_cfg epg5000_ar8327_pad0_cfg = {
.mode = AR8327_PAD_MAC_RGMII,
.txclk_delay_en = true,
.rxclk_delay_en = true,
.txclk_delay_sel = AR8327_CLK_DELAY_SEL2,
.rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
};
static struct ar8327_platform_data epg5000_ar8327_data = {
.pad0_cfg = &epg5000_ar8327_pad0_cfg,
.port0_cfg = {
.force_link = 1,
.speed = AR8327_PORT_SPEED_1000,
.duplex = 1,
.txpause = 1,
.rxpause = 1,
},
};
static struct mdio_board_info epg5000_mdio0_info[] = {
{
.bus_id = "ag71xx-mdio.0",
.phy_addr = 0,
.platform_data = &epg5000_ar8327_data,
},
};
static int epg5000_get_mac(const char *name, char *mac)
{
u8 *nvram = (u8 *) KSEG1ADDR(EPG5000_NVRAM_ADDR);
int err;
err = ath79_nvram_parse_mac_addr(nvram, EPG5000_NVRAM_SIZE,
name, mac);
if (err) {
pr_err("no MAC address found for %s\n", name);
return false;
}
return true;
}
static void __init epg5000_setup(void)
{
u8 *caldata = (u8 *) KSEG1ADDR(EPG5000_CALDATA_ADDR);
u8 mac1[ETH_ALEN];
ath79_register_m25p80(NULL);
ath79_register_leds_gpio(-1, ARRAY_SIZE(epg5000_leds_gpio),
epg5000_leds_gpio);
ath79_register_gpio_keys_polled(-1, EPG5000_KEYS_POLL_INTERVAL,
ARRAY_SIZE(epg5000_gpio_keys),
epg5000_gpio_keys);
ath79_register_usb();
ath79_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN);
ath79_register_mdio(0, 0x0);
mdiobus_register_board_info(epg5000_mdio0_info,
ARRAY_SIZE(epg5000_mdio0_info));
/* GMAC0 is connected to an QCA8327N switch */
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ath79_eth0_data.phy_mask = BIT(0);
ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
if (epg5000_get_mac("ethaddr=", mac1))
ath79_init_mac(ath79_eth0_data.mac_addr, mac1, 0);
ath79_eth0_pll_data.pll_1000 = 0xa6000000;
ath79_register_eth(0);
ath79_register_wmac(caldata + EPG5000_WMAC_CALDATA_OFFSET, mac1);
ath79_register_pci();
}
MIPS_MACHINE(ATH79_MACH_EPG5000, "EPG5000",
"EnGenius EPG5000",
epg5000_setup);
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