lede/target/linux/ar71xx/files/arch/mips/ath79/mach-sbr-ac1750.c
2019-01-16 12:30:37 +08:00

242 lines
6.5 KiB
C

/*
* Arris sbr-ac1750 support
*
* Copyright (c) 2012 Qualcomm Atheros
* Copyright (c) 2012-2013 Gabor Juhos <juhosg@openwrt.org>
* Copyright (c) 2019 Mleaf <mleaf90@gmail.com>
*
* 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/version.h>
#include <linux/platform_device.h>
#include <linux/ar8216_platform.h>
#include <linux/mtd/mtd.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,14,0)
#include <linux/mtd/nand.h>
#else
#include <linux/mtd/rawnand.h>
#endif
#include <linux/platform/ar934x_nfc.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include <linux/gpio.h>
#include <linux/delay.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-nfc.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"
#define SBR_AC1750_GPIO_LED_WLAN_2G 2
#define SBR_AC1750_GPIO_LED_WLAN_5G 21
#define SBR_AC1750_GPIO_LED_WPS 23
#define SBR_AC1750_GPIO_LED_USB 22
#define SBR_AC1750_GPIO_BTN_RESET 17
#define SBR_AC1750_GPIO_BTN_WPS 19
#define SBR_AC1750_KEYS_POLL_INTERVAL 20 /* msecs */
#define SBR_AC1750_KEYS_DEBOUNCE_INTERVAL (3 * SBR_AC1750_KEYS_POLL_INTERVAL)
#define SBR_AC1750_MAC0_OFFSET 0
#define SBR_AC1750_MAC1_OFFSET 6
#define SBR_AC1750_WMAC_OFFSET 12
#define SBR_AC1750_WMAC_CALDATA_OFFSET 0x1000
#define SBR_AC1750_PCIE_CALDATA_OFFSET 0x5000
#define SBR_AC1750_EXT_WDT_TIMEOUT_MS 200
#define SBR_AC1750_GPIO_EXT_WDT 18
static struct timer_list gpio_wdt_timer;
static struct gpio_led sbr_ac1750_leds_gpio[] __initdata = {
{
.name = "sbr-ac1750:blue:wlan-2g",
.gpio = SBR_AC1750_GPIO_LED_WLAN_2G,
.active_low = 1,
},
{
.name = "sbr-ac1750:blue:wlan-5g",
.gpio = SBR_AC1750_GPIO_LED_WLAN_5G,
.active_low = 1,
},
{
.name = "sbr-ac1750:blue:wps",
.gpio = SBR_AC1750_GPIO_LED_WPS,
.active_low = 1,
},
{
.name = "sbr-ac1750:blue:usb",
.gpio = SBR_AC1750_GPIO_LED_USB,
.active_low = 1,
}
};
static struct gpio_keys_button sbr_ac1750_gpio_keys[] __initdata = {
{
.desc = "WPS button",
.type = EV_KEY,
.code = KEY_WPS_BUTTON,
.debounce_interval = SBR_AC1750_KEYS_DEBOUNCE_INTERVAL,
.gpio = SBR_AC1750_GPIO_BTN_WPS,
.active_low = 1,
},
{
.desc = "Reset button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = SBR_AC1750_KEYS_DEBOUNCE_INTERVAL,
.gpio = SBR_AC1750_GPIO_BTN_RESET,
.active_low = 1,
}
};
/* GMAC6 of the QCA8337 switch is connected to the QCA9558 SoC via SGMII */
static struct ar8327_pad_cfg sbr_ac1750_qca8337_pad6_cfg = {
.mode = AR8327_PAD_MAC_SGMII,
.sgmii_delay_en = true,
.rxclk_delay_sel = AR8327_CLK_DELAY_SEL0,
};
/* GMAC0 of the QCA8337 switch is connected to the QCA9558 SoC via RGMII */
static struct ar8327_pad_cfg sbr_ac1750_qca8337_pad0_cfg = {
.mode = AR8327_PAD_MAC_RGMII,
.txclk_delay_en = true,
.rxclk_delay_en = true,
.txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
.rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
};
static struct ar8327_led_cfg sbr_ac1750_ar8327_led_cfg = {
.led_ctrl0 = 0x0000cc35,
.led_ctrl1 = 0x0000ca35,
.led_ctrl2 = 0x0000c935,
.led_ctrl3 = 0x03ffff00,
.open_drain = true,
};
static struct ar8327_platform_data sbr_ac1750_qca8337_data = {
.pad0_cfg = &sbr_ac1750_qca8337_pad0_cfg,
.pad6_cfg = &sbr_ac1750_qca8337_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 = &sbr_ac1750_ar8327_led_cfg,
};
static struct mdio_board_info sbr_ac1750_mdio0_info[] = {
{
.bus_id = "ag71xx-mdio.0",
.mdio_addr = 0,
.platform_data = &sbr_ac1750_qca8337_data,
},
};
/*
* SBR_AC1750 devices include external hardware watchdog chip,
* watchdog chip connected to a selected GPIO
* and WiSoC RESET_L input. Watchdog time-out is ~1.6 s.
*/
static void gpio_wdt_toggle(unsigned long gpio)
{
static int state;
state = !state;
gpio_set_value(gpio, state);
mod_timer(&gpio_wdt_timer,
jiffies + msecs_to_jiffies(SBR_AC1750_EXT_WDT_TIMEOUT_MS));
}
static void init_sbr_ac1750_wdt(int gpio_wdt){
if (gpio_wdt >= 0) {
gpio_request_one(gpio_wdt, GPIOF_OUT_INIT_HIGH, "watchdog");
gpio_set_value(gpio_wdt, 0);
ndelay(1000);
gpio_set_value(gpio_wdt, 1);
setup_timer(&gpio_wdt_timer, gpio_wdt_toggle, gpio_wdt);
gpio_wdt_toggle(gpio_wdt);
}
}
static void __init sbr_ac1750_setup(void)
{
u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
init_sbr_ac1750_wdt(SBR_AC1750_GPIO_EXT_WDT);
ath79_register_leds_gpio(-1, ARRAY_SIZE(sbr_ac1750_leds_gpio),
sbr_ac1750_leds_gpio);
ath79_register_gpio_keys_polled(-1, SBR_AC1750_KEYS_POLL_INTERVAL,
ARRAY_SIZE(sbr_ac1750_gpio_keys),
sbr_ac1750_gpio_keys);
ath79_register_usb();
ath79_nfc_set_ecc_mode(AR934X_NFC_ECC_HW);
ath79_register_nfc();
ath79_register_pci();
ath79_register_wmac_simple();
ath79_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN);
ath79_register_mdio(0, 0x0);
ath79_init_mac(ath79_eth0_data.mac_addr, art + SBR_AC1750_MAC0_OFFSET, 0);
ath79_init_mac(ath79_eth1_data.mac_addr, art + SBR_AC1750_MAC1_OFFSET, 0);
mdiobus_register_board_info(sbr_ac1750_mdio0_info,
ARRAY_SIZE(sbr_ac1750_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_eth0_pll_data.pll_1000 = 0x56000000;
ath79_register_eth(0);
/* GMAC1 is connected tot eh 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_eth1_pll_data.pll_1000 = 0x03000101;
ath79_register_eth(1);
}
MIPS_MACHINE(ATH79_MACH_ARRIS_SBR_AC1750, "SBR-AC1750",
"ARRIS SBR-AC1750",
sbr_ac1750_setup);