ar71xx: add support for Buffalo BHR-4GRV2

Signed-off-by: FUKAUMI Naoki <naobsd@gmail.com>

4 files changed, 181 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt b/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
index db3b9bd076..ac8255b8a3 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
@@ -271,6 +271,14 @@ config ATH79_MACH_SOM9331
 	select ATH79_DEV_USB
 	select ATH79_DEV_WMAC
 
+config ATH79_MACH_BHR_4GRV2
+	bool "Buffalo BHR-4GRV2 board support"
+	select SOC_QCA955X
+	select ATH79_DEV_ETH
+	select ATH79_DEV_GPIO_BUTTONS
+	select ATH79_DEV_LEDS_GPIO
+	select ATH79_DEV_M25P80
+
 config ATH79_MACH_WHR_HP_G300N
 	bool "Buffalo WHR-HP-G300N board support"
 	select SOC_AR724X
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/Makefile b/target/linux/ar71xx/files/arch/mips/ath79/Makefile
index 580d2e249f..78e242a6fb 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Makefile
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Makefile
@@ -59,6 +59,7 @@ obj-$(CONFIG_ATH79_MACH_AP96)			+= mach-ap96.o
 obj-$(CONFIG_ATH79_MACH_ARCHER_C7)		+= mach-archer-c7.o
 obj-$(CONFIG_ATH79_MACH_ARDUINO_YUN)		+= mach-arduino-yun.o
 obj-$(CONFIG_ATH79_MACH_AW_NR580)		+= mach-aw-nr580.o
+obj-$(CONFIG_ATH79_MACH_BHR_4GRV2)		+= mach-bhr-4grv2.o
 obj-$(CONFIG_ATH79_MACH_BHU_BXU2000N2_A)	+= mach-bhu-bxu2000n2-a.o
 obj-$(CONFIG_ATH79_MACH_BSB)			+= mach-bsb.o
 obj-$(CONFIG_ATH79_MACH_C55)			+= mach-c55.o
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-bhr-4grv2.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-bhr-4grv2.c
new file mode 100644
index 0000000000..5b4cf5ff2f
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-bhr-4grv2.c
@@ -0,0 +1,171 @@
+/*
+ * Buffalo BHR-4GRV2 board support
+ *
+ * Copyright (c) 2012 Qualcomm Atheros
+ * Copyright (c) 2012-2013 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (c) 2016 FUKAUMI Naoki <naobsd@gmail.com>
+ *
+ * Based on mach-ap136.c and mach-wzr-450hp2.c
+ *
+ * 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 <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 "machtypes.h"
+
+#define BHR_4GRV2_GPIO_LED_VPN_RED	3
+#define BHR_4GRV2_GPIO_LED_VPN_GREEN	18
+#define BHR_4GRV2_GPIO_LED_POWER_GREEN	19
+#define BHR_4GRV2_GPIO_LED_DIAG_RED	20
+
+#define BHR_4GRV2_GPIO_BTN_RESET	17
+#define BHR_4GRV2_GPIO_BTN_ECO		21
+
+#define BHR_4GRV2_KEYS_POLL_INTERVAL	20	/* msecs */
+#define BHR_4GRV2_KEYS_DEBOUNCE_INTERVAL	(3 * BHR_4GRV2_KEYS_POLL_INTERVAL)
+#define BHR_4GRV2_MAC0_OFFSET		0
+#define BHR_4GRV2_MAC1_OFFSET		6
+
+static struct gpio_led bhr_4grv2_leds_gpio[] __initdata = {
+	{
+		.name		= "buffalo:red:vpn",
+		.gpio		= BHR_4GRV2_GPIO_LED_VPN_RED,
+		.active_low	= 1,
+	},
+	{
+		.name		= "buffalo:green:vpn",
+		.gpio		= BHR_4GRV2_GPIO_LED_VPN_GREEN,
+		.active_low	= 1,
+	},
+	{
+		.name		= "buffalo:green:power",
+		.gpio		= BHR_4GRV2_GPIO_LED_POWER_GREEN,
+		.active_low	= 1,
+	},
+	{
+		.name		= "buffalo:red:diag",
+		.gpio		= BHR_4GRV2_GPIO_LED_DIAG_RED,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_keys_button bhr_4grv2_gpio_keys[] __initdata = {
+	{
+		.desc		= "Reset button",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = BHR_4GRV2_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= BHR_4GRV2_GPIO_BTN_RESET,
+		.active_low	= 1,
+	},
+	{
+		.desc		= "ECO button",
+		.type		= EV_KEY,
+		.code		= BTN_0,
+		.debounce_interval = BHR_4GRV2_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= BHR_4GRV2_GPIO_BTN_ECO,
+		.active_low	= 1,
+	},
+};
+
+/* GMAC0 of the AR8327 switch is connected to GMAC1 via SGMII */
+static struct ar8327_pad_cfg bhr_4grv2_ar8327_pad0_cfg = {
+	.mode = AR8327_PAD_MAC_SGMII,
+	.sgmii_delay_en = true,
+};
+
+/* GMAC6 of the AR8327 switch is connected to GMAC0 via RGMII */
+static struct ar8327_pad_cfg bhr_4grv2_ar8327_pad6_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_platform_data bhr_4grv2_ar8327_data = {
+	.pad0_cfg = &bhr_4grv2_ar8327_pad0_cfg,
+	.pad6_cfg = &bhr_4grv2_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,
+	},
+};
+
+static struct mdio_board_info bhr_4grv2_mdio0_info[] = {
+	{
+		.bus_id = "ag71xx-mdio.0",
+		.phy_addr = 0,
+		.platform_data = &bhr_4grv2_ar8327_data,
+	},
+};
+
+static void __init bhr_4grv2_setup(void)
+{
+	u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
+
+	ath79_register_m25p80(NULL);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(bhr_4grv2_leds_gpio),
+				 bhr_4grv2_leds_gpio);
+	ath79_register_gpio_keys_polled(-1, BHR_4GRV2_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(bhr_4grv2_gpio_keys),
+					bhr_4grv2_gpio_keys);
+
+	mdiobus_register_board_info(bhr_4grv2_mdio0_info,
+				    ARRAY_SIZE(bhr_4grv2_mdio0_info));
+	ath79_register_mdio(0, 0x0);
+
+	ath79_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN);
+
+	/* GMAC0 is connected to the RGMII 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_init_mac(ath79_eth0_data.mac_addr, art + BHR_4GRV2_MAC0_OFFSET, 0);
+	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_eth1_pll_data.pll_1000 = 0x03000101;
+
+	ath79_init_mac(ath79_eth1_data.mac_addr, art + BHR_4GRV2_MAC1_OFFSET, 0);
+	ath79_register_eth(1);
+}
+
+MIPS_MACHINE(ATH79_MACH_BHR_4GRV2, "BHR-4GRV2",
+	     "Buffalo BHR-4GRV2", bhr_4grv2_setup);
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
index 3ebcbc0de5..dec3d6014b 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
+++ b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
@@ -44,6 +44,7 @@ enum ath79_mach_type {
 	ATH79_MACH_ARCHER_C7_V2,		/* TP-LINK Archer C7 V2 board */
 	ATH79_MACH_ARDUINO_YUN,			/* Yun */
 	ATH79_MACH_AW_NR580,			/* AzureWave AW-NR580 */
+	ATH79_MACH_BHR_4GRV2,			/* Buffalo BHR-4GRV2 */
 	ATH79_MACH_BHU_BXU2000N2_A1,		/* BHU BXU2000n-2 A1 */
 	ATH79_MACH_BSB,				/* Smart Electronics Black Swift board */
 	ATH79_MACH_C55,				/* AirTight Networks C-55 */