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31952dbd1c
openwrt/target/linux/ar71xx/files/arch/mips/ath79/mach-cf-e316n-v2.c
Piotr Dymacz 31952dbd1c ar71xx: add support for COMFAST CF-E320N v2 and CF-E520N/CF-E530N 
As we already have support for CF-E316N v2 and many devices from
this vendor look similar, the support was included in existing
mach-*.c file, with few cleanups and fixes.

All 3 devices are based on Qualcomm/Atheros QCA9531 v2.

COMFAST CF-E320N v2 is a ceiling mount AP with PoE support.
Short specification:

- 650/393/216 MHz (CPU/DDR/AHB)
- 2x 10/100 Mbps Ethernet, both with PoE support
- 64 MB of RAM (DDR2)
- 16 MB of FLASH
- 2T2R 2.4 GHz, up to 22 dBm
- 2x internal antennas
- 1x RGB LED, 1x button
- UART (J1), GPIO (J9) and USB (J2) headers on PCB
- external watchdog (Pericon Technology PT7A7514)

COMFAST CF-E520N/CF-E530N are in-wall APs with USB and PoE support.
They seem to have different only the front panel.
Short specification:

- 650/393/216 MHz (CPU/DDR/AHB)
- 2x 10/100 Mbps Ethernet, WAN with PoE support
- 1x USB 2.0 (in CF-E520N covered by panel, available on PCB)
- 32 MB of RAM (DDR2)
- 8 MB of FLASH
- 2T2R 2.4 GHz, up to 22 dBm
- 2x internal antennas
- 1x LED, 1x button
- UART (J1) headers on PCB

Flash instruction:

Original firmware is based on OpenWrt.
Use sysupgrade image directly in vendor GUI.

Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
2016-11-21 10:05:40 +01:00

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/*
* Support for COMFAST boards:
* - CF-E316N v2 (AR9341)
* - CF-E320N v2 (QCA9531)
* - CF-E520N/CF-E530N (QCA9531)
*
* Copyright (C) 2016 Piotr Dymacz <pepe2k@gmail.com>
* Copyright (C) 2015 Paul Fertser <fercerpav@gmail.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/gpio.h>
#include <linux/platform_device.h>
#include <linux/timer.h>
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-wmac.h"
#include "dev-usb.h"
#include "machtypes.h"
#define CF_EXXXN_KEYS_POLL_INTERVAL 20
#define CF_EXXXN_KEYS_DEBOUNCE_INTERVAL (3 * CF_EXXXN_KEYS_POLL_INTERVAL)
/* CF-E316N v2 */
#define CF_E316N_V2_GPIO_LED_DIAG_B 0
#define CF_E316N_V2_GPIO_LED_DIAG_R 2
#define CF_E316N_V2_GPIO_LED_DIAG_G 3
#define CF_E316N_V2_GPIO_LED_WLAN 12
#define CF_E316N_V2_GPIO_LED_WAN 17
#define CF_E316N_V2_GPIO_LED_LAN 19
#define CF_E316N_V2_GPIO_EXT_WDT 16
#define CF_E316N_V2_GPIO_EXTERNAL_PA0 13
#define CF_E316N_V2_GPIO_EXTERNAL_PA1 14
#define CF_E316N_V2_GPIO_BTN_RESET 20
static struct gpio_led cf_e316n_v2_leds_gpio[] __initdata = {
{
.name = "cf-e316n-v2:blue:diag",
.gpio = CF_E316N_V2_GPIO_LED_DIAG_B,
.active_low = 0,
}, {
.name = "cf-e316n-v2:red:diag",
.gpio = CF_E316N_V2_GPIO_LED_DIAG_R,
.active_low = 0,
}, {
.name = "cf-e316n-v2:green:diag",
.gpio = CF_E316N_V2_GPIO_LED_DIAG_G,
.active_low = 0,
}, {
.name = "cf-e316n-v2:blue:wlan",
.gpio = CF_E316N_V2_GPIO_LED_WLAN,
.active_low = 1,
}, {
.name = "cf-e316n-v2:blue:wan",
.gpio = CF_E316N_V2_GPIO_LED_WAN,
.active_low = 1,
}, {
.name = "cf-e316n-v2:blue:lan",
.gpio = CF_E316N_V2_GPIO_LED_LAN,
.active_low = 1,
},
};
static struct gpio_keys_button cf_e316n_v2_gpio_keys[] __initdata = {
{
.desc = "reset",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = CF_EXXXN_KEYS_DEBOUNCE_INTERVAL,
.gpio = CF_E316N_V2_GPIO_BTN_RESET,
.active_low = 1,
},
};
/* CF-E320N v2 */
#define CF_E320N_V2_GPIO_LED_WLAN 0
#define CF_E320N_V2_GPIO_LED_WAN 2
#define CF_E320N_V2_GPIO_LED_LAN 3
#define CF_E320N_V2_GPIO_HEADER_J9_1 14
#define CF_E320N_V2_GPIO_HEADER_J9_2 12
#define CF_E320N_V2_GPIO_HEADER_J9_3 11
#define CF_E320N_V2_GPIO_HEADER_J9_4 16
#define CF_E320N_V2_GPIO_EXT_WDT 13
#define CF_E320N_V2_GPIO_BTN_RESET 17
static struct gpio_led cf_e320n_v2_leds_gpio[] __initdata = {
{
.name = "cf-e320n-v2:green:lan",
.gpio = CF_E320N_V2_GPIO_LED_LAN,
.active_low = 0,
}, {
.name = "cf-e320n-v2:red:wan",
.gpio = CF_E320N_V2_GPIO_LED_WAN,
.active_low = 0,
}, {
.name = "cf-e320n-v2:blue:wlan",
.gpio = CF_E320N_V2_GPIO_LED_WLAN,
.active_low = 0,
},
};
static struct gpio_keys_button cf_e320n_v2_gpio_keys[] __initdata = {
{
.desc = "Reset button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = CF_EXXXN_KEYS_DEBOUNCE_INTERVAL,
.gpio = CF_E320N_V2_GPIO_BTN_RESET,
.active_low = 1,
},
};
/* CF-E520N/CF-E530N */
#define CF_E5X0N_GPIO_LED_WAN 11
#define CF_E5X0N_GPIO_BTN_RESET 17
static struct gpio_led cf_e520n_leds_gpio[] __initdata = {
{
.name = "cf-e520n:blue:wan",
.gpio = CF_E5X0N_GPIO_LED_WAN,
.active_low = 1,
}
};
static struct gpio_led cf_e530n_leds_gpio[] __initdata = {
{
.name = "cf-e530n:blue:wan",
.gpio = CF_E5X0N_GPIO_LED_WAN,
.active_low = 1,
}
};
/*
* Some COMFAST devices include external hardware watchdog chip,
* Pericon Technology PT7A7514, connected to a selected GPIO
* and WiSoC RESET_L input. Watchdog time-out is ~1.6 s.
*/
#define CF_EXXXN_EXT_WDT_TIMEOUT_MS 500
static struct timer_list gpio_wdt_timer;
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(CF_EXXXN_EXT_WDT_TIMEOUT_MS));
}
static void __init cf_exxxn_common_setup(int gpio_wdt)
{
u8 *art = (u8 *) KSEG1ADDR(0x1f011000);
if (gpio_wdt > -1) {
gpio_request_one(gpio_wdt, GPIOF_OUT_INIT_HIGH,
"PT7A7514 watchdog");
setup_timer(&gpio_wdt_timer, gpio_wdt_toggle, gpio_wdt);
gpio_wdt_toggle(gpio_wdt);
}
ath79_register_m25p80(NULL);
ath79_register_wmac(art, NULL);
ath79_register_usb();
}
static void __init cf_e316n_v2_setup(void)
{
u8 *mac = (u8 *) KSEG1ADDR(0x1f010000);
cf_exxxn_common_setup(CF_E316N_V2_GPIO_EXT_WDT);
ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);
ath79_register_mdio(1, 0x0);
/* GMAC0 is connected to the PHY0 of the internal switch */
ath79_switch_data.phy4_mii_en = 1;
ath79_switch_data.phy_poll_mask = BIT(0);
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
ath79_eth0_data.phy_mask = BIT(0);
ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
ath79_register_eth(0);
/* GMAC1 is connected to the internal switch */
ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
ath79_init_mac(ath79_eth1_data.mac_addr, mac, 2);
ath79_register_eth(1);
/* Enable 2x Skyworks SE2576L WLAN power amplifiers */
gpio_request_one(CF_E316N_V2_GPIO_EXTERNAL_PA0, GPIOF_OUT_INIT_HIGH,
"WLAN PA0");
gpio_request_one(CF_E316N_V2_GPIO_EXTERNAL_PA1, GPIOF_OUT_INIT_HIGH,
"WLAN PA1");
ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e316n_v2_leds_gpio),
cf_e316n_v2_leds_gpio);
ath79_register_gpio_keys_polled(1, CF_EXXXN_KEYS_POLL_INTERVAL,
ARRAY_SIZE(cf_e316n_v2_gpio_keys),
cf_e316n_v2_gpio_keys);
}
MIPS_MACHINE(ATH79_MACH_CF_E316N_V2, "CF-E316N-V2", "COMFAST CF-E316N v2",
cf_e316n_v2_setup);
static void __init cf_exxxn_qca953x_eth_setup(void)
{
u8 *mac = (u8 *) KSEG1ADDR(0x1f010000);
ath79_setup_ar933x_phy4_switch(false, false);
ath79_register_mdio(0, 0x0);
ath79_switch_data.phy4_mii_en = 1;
ath79_switch_data.phy_poll_mask |= BIT(4);
/* LAN */
ath79_eth1_data.duplex = DUPLEX_FULL;
ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
ath79_eth1_data.speed = SPEED_1000;
ath79_init_mac(ath79_eth1_data.mac_addr, mac, 2);
ath79_register_eth(1);
/* WAN */
ath79_eth0_data.duplex = DUPLEX_FULL;
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
ath79_eth0_data.speed = SPEED_100;
ath79_eth0_data.phy_mask = BIT(4);
ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
ath79_register_eth(0);
}
static void __init cf_e320n_v2_setup(void)
{
cf_exxxn_common_setup(CF_E320N_V2_GPIO_EXT_WDT);
cf_exxxn_qca953x_eth_setup();
/* Disable JTAG (enables GPIO0-3) */
ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);
ath79_gpio_direction_select(CF_E320N_V2_GPIO_LED_LAN, true);
ath79_gpio_direction_select(CF_E320N_V2_GPIO_LED_WAN, true);
ath79_gpio_direction_select(CF_E320N_V2_GPIO_LED_WLAN, true);
ath79_gpio_output_select(CF_E320N_V2_GPIO_LED_LAN, 0);
ath79_gpio_output_select(CF_E320N_V2_GPIO_LED_WAN, 0);
ath79_gpio_output_select(CF_E320N_V2_GPIO_LED_WLAN, 0);
/* Enable GPIO function for GPIOs in J9 header */
ath79_gpio_output_select(CF_E320N_V2_GPIO_HEADER_J9_1, 0);
ath79_gpio_output_select(CF_E320N_V2_GPIO_HEADER_J9_2, 0);
ath79_gpio_output_select(CF_E320N_V2_GPIO_HEADER_J9_3, 0);
ath79_gpio_output_select(CF_E320N_V2_GPIO_HEADER_J9_4, 0);
ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e320n_v2_leds_gpio),
cf_e320n_v2_leds_gpio);
ath79_register_gpio_keys_polled(-1, CF_EXXXN_KEYS_POLL_INTERVAL,
ARRAY_SIZE(cf_e320n_v2_gpio_keys),
cf_e320n_v2_gpio_keys);
}
MIPS_MACHINE(ATH79_MACH_CF_E320N_V2, "CF-E320N-V2", "COMFAST CF-E320N v2",
cf_e320n_v2_setup);
static void __init cf_e5x0n_gpio_setup(void)
{
ath79_gpio_direction_select(CF_E5X0N_GPIO_LED_WAN, true);
ath79_gpio_output_select(CF_E5X0N_GPIO_LED_WAN, 0);
ath79_register_gpio_keys_polled(-1, CF_EXXXN_KEYS_POLL_INTERVAL,
ARRAY_SIZE(cf_e320n_v2_gpio_keys),
cf_e320n_v2_gpio_keys);
}
static void __init cf_e520n_setup(void)
{
cf_exxxn_common_setup(-1);
cf_exxxn_qca953x_eth_setup();
cf_e5x0n_gpio_setup();
ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e520n_leds_gpio),
cf_e520n_leds_gpio);
}
MIPS_MACHINE(ATH79_MACH_CF_E520N, "CF-E520N", "COMFAST CF-E520N",
cf_e520n_setup);
static void __init cf_e530n_setup(void)
{
cf_exxxn_common_setup(-1);
cf_exxxn_qca953x_eth_setup();
cf_e5x0n_gpio_setup();
ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e530n_leds_gpio),
cf_e530n_leds_gpio);
}
MIPS_MACHINE(ATH79_MACH_CF_E530N, "CF-E530N", "COMFAST CF-E530N",
cf_e530n_setup);
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