openwrtv3/target/linux/ar71xx/files/arch/mips/ath79/mach-mynet-rext.c
Gabor Juhos ece1323ed4 ar71xx: add kernel support for the My Net Wi-Fi Range Extender device
This patch adds a new device definition for a
Western Digital device. The hardware seems to
be based on Qualcomm Atheros DB120 design.

Patchwork: http://patchwork.openwrt.org/patch/4281/
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
[juhosg: refresh kernel patch]
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 38686
2013-11-07 22:31:52 +00:00

175 lines
4.7 KiB
C

/*
* WD My Net WI-FI Range Extender (Codename:Starfish db12x) board support
*
* Copyright (C) 2013 Christian Lamparter <chunkeey@googlemail.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/pci.h>
#include <linux/phy.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/ath9k_platform.h>
#include <linux/ar8216_platform.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
#include "dev-ap9x-pci.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-spi.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"
#include "nvram.h"
#define MYNET_REXT_GPIO_LED_POWER 11
#define MYNET_REXT_GPIO_LED_ETHERNET 12
#define MYNET_REXT_GPIO_LED_WIFI 19
#define MYNET_REXT_GPIO_LED_RF_QTY1 20
#define MYNET_REXT_GPIO_LED_RF_QTY2 21
#define MYNET_REXT_GPIO_LED_RF_QTY3 22
#define MYNET_REXT_GPIO_BTN_RESET 13
#define MYNET_REXT_GPIO_BTN_WPS 15
#define MYNET_REXT_GPIO_SW_RF 14
#define MYNET_REXT_GPIO_PHY_SWRST 16 /* disables Ethernet PHY */
#define MYNET_REXT_GPIO_PHY_INT 17
#define MYNET_REXT_GPIO_18 18
#define MYNET_REXT_KEYS_POLL_INTERVAL 20 /* msecs */
#define MYNET_REXT_KEYS_DEBOUNCE_INTERVAL (3 * MYNET_REXT_KEYS_POLL_INTERVAL)
#define MYNET_REXT_WMAC_CALDATA_OFFSET 0x1000
#define MYNET_REXT_NVRAM_ADDR 0x1f7e0010
#define MYNET_REXT_NVRAM_SIZE 0xfff0
#define MYNET_REXT_ART_ADDR 0x1f7f0000
static struct gpio_led mynet_rext_leds_gpio[] __initdata = {
{
.name = "wd:blue:power",
.gpio = MYNET_REXT_GPIO_LED_POWER,
.active_low = 0,
},
{
.name = "wd:blue:wireless",
.gpio = MYNET_REXT_GPIO_LED_WIFI,
.active_low = 1,
},
{
.name = "wd:blue:ethernet",
.gpio = MYNET_REXT_GPIO_LED_ETHERNET,
.active_low = 1,
},
{
.name = "wd:blue:quality1",
.gpio = MYNET_REXT_GPIO_LED_RF_QTY1,
.active_low = 1,
},
{
.name = "wd:blue:quality2",
.gpio = MYNET_REXT_GPIO_LED_RF_QTY2,
.active_low = 1,
},
{
.name = "wd:blue:quality3",
.gpio = MYNET_REXT_GPIO_LED_RF_QTY3,
.active_low = 1,
},
};
static struct gpio_keys_button mynet_rext_gpio_keys[] __initdata = {
{
.desc = "Reset button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
.gpio = MYNET_REXT_GPIO_BTN_RESET,
.active_low = 1,
},
{
.desc = "WPS button",
.type = EV_KEY,
.code = KEY_WPS_BUTTON,
.debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
.gpio = MYNET_REXT_GPIO_BTN_WPS,
.active_low = 1,
},
{
.desc = "RF Band switch",
.type = EV_SW,
.code = BTN_1,
.debounce_interval = MYNET_REXT_KEYS_DEBOUNCE_INTERVAL,
.gpio = MYNET_REXT_GPIO_SW_RF,
},
};
static void mynet_rext_get_mac(const char *name, char *mac)
{
u8 *nvram = (u8 *) KSEG1ADDR(MYNET_REXT_NVRAM_ADDR);
int err;
err = ath79_nvram_parse_mac_addr(nvram, MYNET_REXT_NVRAM_SIZE,
name, mac);
if (err)
pr_err("no MAC address found for %s\n", name);
}
static void __init mynet_rext_setup(void)
{
u8 *art = (u8 *) KSEG1ADDR(MYNET_REXT_ART_ADDR);
u8 tmpmac[ETH_ALEN];
ath79_register_m25p80(NULL);
/* GPIO configuration from drivers/char/GPIO8.c */
ath79_gpio_output_select(MYNET_REXT_GPIO_LED_POWER,
AR934X_GPIO_OUT_GPIO);
ath79_gpio_output_select(MYNET_REXT_GPIO_LED_WIFI,
AR934X_GPIO_OUT_GPIO);
ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY1,
AR934X_GPIO_OUT_GPIO);
ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY2,
AR934X_GPIO_OUT_GPIO);
ath79_gpio_output_select(MYNET_REXT_GPIO_LED_RF_QTY3,
AR934X_GPIO_OUT_GPIO);
ath79_gpio_output_select(MYNET_REXT_GPIO_LED_ETHERNET,
AR934X_GPIO_OUT_GPIO);
ath79_register_leds_gpio(-1, ARRAY_SIZE(mynet_rext_leds_gpio),
mynet_rext_leds_gpio);
ath79_register_gpio_keys_polled(-1, MYNET_REXT_KEYS_POLL_INTERVAL,
ARRAY_SIZE(mynet_rext_gpio_keys),
mynet_rext_gpio_keys);
mynet_rext_get_mac("wl0_hwaddr=", tmpmac);
ath79_register_wmac(art + MYNET_REXT_WMAC_CALDATA_OFFSET, tmpmac);
ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0);
ath79_register_mdio(0, 0x0);
/* LAN */
mynet_rext_get_mac("et0macaddr=", ath79_eth0_data.mac_addr);
/* GMAC0 is connected to an external PHY on Port 4 */
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ath79_eth0_data.phy_mask = BIT(4);
ath79_eth0_pll_data.pll_1000 = 0x0e000000; /* athrs_mac.c */
ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
ath79_register_eth(0);
}
MIPS_MACHINE(ATH79_MACH_MYNET_REXT, "MYNET-REXT",
"WD My Net Wi-Fi Range Extender", mynet_rext_setup);