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openwrtv4/target/linux/ar71xx/files/arch/mips/ath79/mach-nbg6716.c
John Crispin 22c5f96c6b ar71xx: Allow to set the RXDV, RXD, TXD, TXE delays for QCA955x 
Some u-boot versions for QCA955x change the delays based on the link speed
during boot. This usually breaks the support of other linkspeeds when
OpenWrt is booted. It also conflicts with the
at803x_platform_data::fixup_rgmii_tx_delay. OpenWrt has to set its own
values in QCA955X_GMAC_REG_ETH_CFG.

The default RGMII values from the Atheros u-boot are currently used to
preset the existing mach files. These may have to be adjusted for boards
using different values but which are not currently set them explicitely in
OpenWrt.

Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
Cc: Gabor Juhos <juhosg@openwrt.org>
Cc: Imre Kaloz <kaloz@openwrt.org>
Cc: Christian Beier <cb@shoutrlabs.com>
Cc: Chris R Blake <chrisrblake93@gmail.com>
Cc: Benjamin Berg <benjamin@sipsolutions.net>
Cc: Heiner Kallweit <hkallweit1@gmail.com>
Cc: Cezary Jackiewicz <cezary.jackiewicz@gmail.com>
Cc: Matthias Schiffer <mschiffer@universe-factory.net>
Cc: Dirk Neukirchen <dirkneukirchen@web.de>
Cc: Christian Mehlis <christian@m3hlis.de>
Cc: Luka Perkov <luka@openwrt.org>
Cc: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 49029
2016-03-16 09:27:08 +00:00

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/*
* ZyXEL NBG6716/NBG6616 board support
*
* Based on the Qualcomm Atheros AP135/AP136 reference board support code
* Copyright (c) 2012 Qualcomm Atheros
* Copyright (c) 2012-2013 Gabor Juhos <juhosg@openwrt.org>
* Copyright (c) 2013 Andre Valentin <avalentin@marcant.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include <linux/platform_device.h>
#include <linux/ar8216_platform.h>
#include <linux/gpio.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/platform/ar934x_nfc.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-nfc.h"
#include "dev-m25p80.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"
#include "nvram.h"
#define NBG6716_GPIO_LED_INTERNET 18
#define NBG6716_GPIO_LED_POWER 15
#define NBG6716_GPIO_LED_USB1 4
#define NBG6716_GPIO_LED_USB2 13
#define NBG6716_GPIO_LED_WIFI2G 19
#define NBG6716_GPIO_LED_WIFI5G 17
#define NBG6716_GPIO_LED_WPS 21
#define NBG6716_GPIO_BTN_RESET 23
#define NBG6716_GPIO_BTN_RFKILL 1
#define NBG6716_GPIO_BTN_USB1 0
#define NBG6716_GPIO_BTN_USB2 14
#define NBG6716_GPIO_BTN_WPS 22
#define NBG6716_GPIO_USB_POWER 16
#define NBG6716_KEYS_POLL_INTERVAL 20 /* msecs */
#define NBG6716_KEYS_DEBOUNCE_INTERVAL (3 * NBG6716_KEYS_POLL_INTERVAL)
#define NBG6716_MAC0_OFFSET 0
#define NBG6716_MAC1_OFFSET 6
#define NBG6716_WMAC_CALDATA_OFFSET 0x1000
#define NBG6716_PCIE_CALDATA_OFFSET 0x5000
/* NBG6616 has a different GPIO usage as it does not have USB Buttons */
#define NBG6616_GPIO_LED_USB0 14
#define NBG6616_GPIO_LED_USB1 21
#define NBG6616_GPIO_LED_WPS 0
static struct gpio_led nbg6716_leds_gpio[] __initdata = {
{
.name = "nbg6716:white:internet",
.gpio = NBG6716_GPIO_LED_INTERNET,
.active_low = 1,
},
{
.name = "nbg6716:white:power",
.gpio = NBG6716_GPIO_LED_POWER,
.active_low = 1,
},
{
.name = "nbg6716:white:usb1",
.gpio = NBG6716_GPIO_LED_USB1,
.active_low = 1,
},
{
.name = "nbg6716:white:usb2",
.gpio = NBG6716_GPIO_LED_USB2,
.active_low = 1,
},
{
.name = "nbg6716:white:wifi2g",
.gpio = NBG6716_GPIO_LED_WIFI2G,
.active_low = 1,
},
{
.name = "nbg6716:white:wifi5g",
.gpio = NBG6716_GPIO_LED_WIFI5G,
.active_low = 1,
},
{
.name = "nbg6716:white:wps",
.gpio = NBG6716_GPIO_LED_WPS,
.active_low = 1,
}
};
static struct gpio_keys_button nbg6716_gpio_keys[] __initdata = {
{
.desc = "RESET button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = NBG6716_KEYS_DEBOUNCE_INTERVAL,
.gpio = NBG6716_GPIO_BTN_RESET,
.active_low = 1,
},
{
.desc = "RFKILL button",
.type = EV_SW,
.code = KEY_RFKILL,
.debounce_interval = NBG6716_KEYS_DEBOUNCE_INTERVAL,
.gpio = NBG6716_GPIO_BTN_RFKILL,
.active_low = 0,
},
{
.desc = "USB1 eject button",
.type = EV_KEY,
.code = BTN_1,
.debounce_interval = NBG6716_KEYS_DEBOUNCE_INTERVAL,
.gpio = NBG6716_GPIO_BTN_USB1,
.active_low = 1,
},
{
.desc = "USB2 eject button",
.type = EV_KEY,
.code = BTN_2,
.debounce_interval = NBG6716_KEYS_DEBOUNCE_INTERVAL,
.gpio = NBG6716_GPIO_BTN_USB2,
.active_low = 1,
},
{
.desc = "WPS button",
.type = EV_KEY,
.code = KEY_WPS_BUTTON,
.debounce_interval = NBG6716_KEYS_DEBOUNCE_INTERVAL,
.gpio = NBG6716_GPIO_BTN_WPS,
.active_low = 1,
},
};
static struct gpio_led nbg6616_leds_gpio[] __initdata = {
{
.name = "nbg6616:green:power",
.gpio = NBG6716_GPIO_LED_POWER,
.active_low = 1,
},
{
.name = "nbg6616:green:usb2",
.gpio = NBG6616_GPIO_LED_USB0,
.active_low = 1,
},
{
.name = "nbg6616:green:usb1",
.gpio = NBG6616_GPIO_LED_USB1,
.active_low = 1,
},
{
.name = "nbg6616:green:wifi2g",
.gpio = NBG6716_GPIO_LED_WIFI2G,
.active_low = 1,
},
{
.name = "nbg6616:green:wifi5g",
.gpio = NBG6716_GPIO_LED_WIFI5G,
.active_low = 1,
},
{
.name = "nbg6616:green:wps",
.gpio = NBG6616_GPIO_LED_WPS,
.active_low = 1,
}
};
static struct gpio_keys_button nbg6616_gpio_keys[] __initdata = {
{
.desc = "RESET button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = NBG6716_KEYS_DEBOUNCE_INTERVAL,
.gpio = NBG6716_GPIO_BTN_RESET,
.active_low = 1,
},
{
.desc = "RFKILL button",
.type = EV_KEY,
.code = KEY_RFKILL,
.debounce_interval = NBG6716_KEYS_DEBOUNCE_INTERVAL,
.gpio = NBG6716_GPIO_BTN_RFKILL,
.active_low = 1,
},
{
.desc = "WPS button",
.type = EV_KEY,
.code = KEY_WPS_BUTTON,
.debounce_interval = NBG6716_KEYS_DEBOUNCE_INTERVAL,
.gpio = NBG6716_GPIO_BTN_WPS,
.active_low = 1,
},
};
static struct ar8327_pad_cfg nbg6716_ar8327_pad0_cfg;
static struct ar8327_pad_cfg nbg6716_ar8327_pad6_cfg;
static struct ar8327_led_cfg nbg6716_ar8327_led_cfg;
static struct ar8327_platform_data nbg6716_ar8327_data = {
.pad0_cfg = &nbg6716_ar8327_pad0_cfg,
.pad6_cfg = &nbg6716_ar8327_pad6_cfg,
.port0_cfg = {
.force_link = 1,
.speed = AR8327_PORT_SPEED_1000,
.duplex = 1,
.txpause = 1,
.rxpause = 1,
},
.port6_cfg = {
.force_link = 1,
.speed = AR8327_PORT_SPEED_1000,
.duplex = 1,
.txpause = 1,
.rxpause = 1,
},
.led_cfg = &nbg6716_ar8327_led_cfg
};
static struct mdio_board_info nbg6716_mdio0_info[] = {
{
.bus_id = "ag71xx-mdio.0",
.phy_addr = 0,
.platform_data = &nbg6716_ar8327_data,
},
};
static void nbg6716_get_mac(void* nvram_addr, const char *name, char *mac)
{
u8 *nvram = (u8 *) KSEG1ADDR(nvram_addr);
int err;
err = ath79_nvram_parse_mac_addr(nvram, 0x10000,
name, mac);
if (err)
pr_err("no MAC address found for %s\n", name);
}
static void __init nbg6716_common_setup(u32 leds_num, struct gpio_led* leds,
u32 keys_num,
struct gpio_keys_button* keys,
void* art_addr, void* nvram)
{
u8 *art = (u8 *) KSEG1ADDR(art_addr);
u8 tmpmac[ETH_ALEN];
ath79_register_m25p80(NULL);
ath79_register_leds_gpio(-1, leds_num, leds);
ath79_register_gpio_keys_polled(-1, NBG6716_KEYS_POLL_INTERVAL,
keys_num, keys);
ath79_nfc_set_ecc_mode(AR934X_NFC_ECC_HW);
ath79_register_nfc();
gpio_request_one(NBG6716_GPIO_USB_POWER,
GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
"USB power");
ath79_register_usb();
nbg6716_get_mac(nvram, "ethaddr=", tmpmac);
ath79_register_pci();
ath79_register_wmac(art + NBG6716_WMAC_CALDATA_OFFSET, tmpmac);
ath79_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN, 3, 3, 0, 0);
ath79_register_mdio(0, 0x0);
ath79_init_mac(ath79_eth0_data.mac_addr, tmpmac, 2);
ath79_init_mac(ath79_eth1_data.mac_addr, tmpmac, 3);
mdiobus_register_board_info(nbg6716_mdio0_info,
ARRAY_SIZE(nbg6716_mdio0_info));
/* GMAC0 is connected to the RMGII interface */
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;
ath79_register_eth(0);
/* GMAC1 is connected to the SGMII interface */
ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
ath79_eth1_data.speed = SPEED_1000;
ath79_eth1_data.duplex = DUPLEX_FULL;
ath79_register_eth(1);
}
static void __init nbg6716_010_setup(void)
{
/* GMAC0 of the AR8337 switch is connected to GMAC0 via RGMII */
nbg6716_ar8327_pad0_cfg.mode = AR8327_PAD_MAC_RGMII;
nbg6716_ar8327_pad0_cfg.txclk_delay_en = true;
nbg6716_ar8327_pad0_cfg.rxclk_delay_en = true;
nbg6716_ar8327_pad0_cfg.txclk_delay_sel = AR8327_CLK_DELAY_SEL1;
nbg6716_ar8327_pad0_cfg.rxclk_delay_sel = AR8327_CLK_DELAY_SEL2;
/* GMAC6 of the AR8337 switch is connected to GMAC1 via SGMII */
nbg6716_ar8327_pad6_cfg.mode = AR8327_PAD_MAC_SGMII;
nbg6716_ar8327_pad6_cfg.rxclk_delay_en = true;
nbg6716_ar8327_pad6_cfg.rxclk_delay_sel = AR8327_CLK_DELAY_SEL0;
ath79_eth0_pll_data.pll_1000 = 0xa6000000;
ath79_eth1_pll_data.pll_1000 = 0x03000101;
nbg6716_ar8327_led_cfg.open_drain = 0;
nbg6716_ar8327_led_cfg.led_ctrl0 = 0xffb7ffb7;
nbg6716_ar8327_led_cfg.led_ctrl1 = 0xffb7ffb7;
nbg6716_ar8327_led_cfg.led_ctrl2 = 0xffb7ffb7;
nbg6716_ar8327_led_cfg.led_ctrl3 = 0x03ffff00;
nbg6716_common_setup(ARRAY_SIZE(nbg6716_leds_gpio), nbg6716_leds_gpio,
ARRAY_SIZE(nbg6716_gpio_keys), nbg6716_gpio_keys,
(void*) 0x1f050000, (void*) 0x1f040000);
}
static void __init nbg6616_010_setup(void)
{
/* GMAC0 of the AR8337 switch is connected to GMAC0 via RGMII */
nbg6716_ar8327_pad0_cfg.mode = AR8327_PAD_MAC_RGMII;
nbg6716_ar8327_pad0_cfg.txclk_delay_en = true;
nbg6716_ar8327_pad0_cfg.rxclk_delay_en = true;
nbg6716_ar8327_pad0_cfg.txclk_delay_sel = AR8327_CLK_DELAY_SEL1;
nbg6716_ar8327_pad0_cfg.rxclk_delay_sel = AR8327_CLK_DELAY_SEL2;
/* GMAC6 of the AR8337 switch is connected to GMAC1 via SGMII */
nbg6716_ar8327_pad6_cfg.mode = AR8327_PAD_MAC_SGMII;
nbg6716_ar8327_pad6_cfg.rxclk_delay_en = true;
nbg6716_ar8327_pad6_cfg.rxclk_delay_sel = AR8327_CLK_DELAY_SEL0;
ath79_eth0_pll_data.pll_1000 = 0xa6000000;
ath79_eth1_pll_data.pll_1000 = 0x03000101;
nbg6716_ar8327_led_cfg.open_drain = 0;
nbg6716_ar8327_led_cfg.led_ctrl0 = 0xffb7ffb7;
nbg6716_ar8327_led_cfg.led_ctrl1 = 0xffb7ffb7;
nbg6716_ar8327_led_cfg.led_ctrl2 = 0xffb7ffb7;
nbg6716_ar8327_led_cfg.led_ctrl3 = 0x03ffff00;
nbg6716_common_setup(ARRAY_SIZE(nbg6616_leds_gpio), nbg6616_leds_gpio,
ARRAY_SIZE(nbg6616_gpio_keys), nbg6616_gpio_keys,
(void*) 0x1f040000, (void*) 0x1f030000);
}
MIPS_MACHINE(ATH79_MACH_NBG6716, "NBG6716",
"Zyxel NBG6716",
nbg6716_010_setup);
MIPS_MACHINE(ATH79_MACH_NBG6616, "NBG6616",
"Zyxel NBG6616",
nbg6616_010_setup);
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