ar71xx: add kernel support for the TP-LINK Archer C7 board

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36788 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 241 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-archer-c7.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-archer-c7.c
new file mode 100644
index 0000000000..7a3ffd3c96
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-archer-c7.c
@@ -0,0 +1,241 @@
+/*
+ * TP-LINK Archer C7 board support
+ *
+ * Copyright (c) 2013 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * Based on the Qualcomm Atheros AP135/AP136 reference board support code
+ *   Copyright (c) 2012 Qualcomm Atheros
+ *
+ * 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/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-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 "pci.h"
+
+#define ARCHER_C7_GPIO_LED_WLAN2G	12
+#define ARCHER_C7_GPIO_LED_SYSTEM	14
+#define ARCHER_C7_GPIO_LED_QSS		15
+#define ARCHER_C7_GPIO_LED_WLAN5G	17
+#define ARCHER_C7_GPIO_LED_USB1		18
+#define ARCHER_C7_GPIO_LED_USB2		19
+
+#define ARCHER_C7_GPIO_BTN_RFKILL	13
+#define ARCHER_C7_GPIO_BTN_RESET	16
+
+#define ARCHER_C7_GPIO_USB1_POWER	22
+#define ARCHER_C7_GPIO_USB2_POWER	21
+
+#define ARCHER_C7_KEYS_POLL_INTERVAL	20	/* msecs */
+#define ARCHER_C7_KEYS_DEBOUNCE_INTERVAL (3 * ARCHER_C7_KEYS_POLL_INTERVAL)
+
+#define ARCHER_C7_WMAC_CALDATA_OFFSET	0x1000
+
+static const char *archer_c7_part_probes[] = {
+	"tp-link",
+	NULL,
+};
+
+static struct flash_platform_data archer_c7_flash_data = {
+	.part_probes	= archer_c7_part_probes,
+};
+
+static struct gpio_led archer_c7_leds_gpio[] __initdata = {
+	{
+		.name		= "tp-link:blue:qss",
+		.gpio		= ARCHER_C7_GPIO_LED_QSS,
+		.active_low	= 1,
+	},
+	{
+		.name		= "tp-link:blue:system",
+		.gpio		= ARCHER_C7_GPIO_LED_SYSTEM,
+		.active_low	= 1,
+	},
+	{
+		.name		= "tp-link:blue:wlan2g",
+		.gpio		= ARCHER_C7_GPIO_LED_WLAN2G,
+		.active_low	= 1,
+	},
+	{
+		.name		= "tp-link:blue:wlan5g",
+		.gpio		= ARCHER_C7_GPIO_LED_WLAN5G,
+		.active_low	= 1,
+	},
+	{
+		.name		= "tp-link:green:usb1",
+		.gpio		= ARCHER_C7_GPIO_LED_USB1,
+		.active_low	= 1,
+	},
+	{
+		.name		= "tp-link:green:usb2",
+		.gpio		= ARCHER_C7_GPIO_LED_USB2,
+		.active_low	= 1,
+	},
+};
+
+static struct gpio_keys_button archer_c7_gpio_keys[] __initdata = {
+	{
+		.desc		= "Reset button",
+		.type		= EV_KEY,
+		.code		= KEY_WPS_BUTTON,
+		.debounce_interval = ARCHER_C7_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= ARCHER_C7_GPIO_BTN_RESET,
+		.active_low	= 1,
+	},
+	{
+		.desc		= "RFKILL switch",
+		.type		= EV_SW,
+		.code		= KEY_RFKILL,
+		.debounce_interval = ARCHER_C7_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= ARCHER_C7_GPIO_BTN_RFKILL,
+	},
+};
+
+/* GMAC0 of the AR8327 switch is connected to the QCA9558 SoC via SGMII */
+static struct ar8327_pad_cfg archer_c7_ar8327_pad0_cfg = {
+	.mode = AR8327_PAD_MAC_SGMII,
+	.sgmii_delay_en = true,
+};
+
+/* GMAC6 of the AR8327 switch is connected to the QCA9558 SoC via RGMII */
+static struct ar8327_pad_cfg archer_c7_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_led_cfg archer_c7_ar8327_led_cfg = {
+	.led_ctrl0 = 0xc737c737,
+	.led_ctrl1 = 0x00000000,
+	.led_ctrl2 = 0x00000000,
+	.led_ctrl3 = 0x0030c300,
+	.open_drain = false,
+};
+
+static struct ar8327_platform_data archer_c7_ar8327_data = {
+	.pad0_cfg = &archer_c7_ar8327_pad0_cfg,
+	.pad6_cfg = &archer_c7_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 = &archer_c7_ar8327_led_cfg,
+};
+
+static struct mdio_board_info archer_c7_mdio0_info[] = {
+	{
+		.bus_id = "ag71xx-mdio.0",
+		.phy_addr = 0,
+		.platform_data = &archer_c7_ar8327_data,
+	},
+};
+
+static void __init archer_c7_gmac_setup(void)
+{
+	void __iomem *base;
+	u32 t;
+
+	base = ioremap(QCA955X_GMAC_BASE, QCA955X_GMAC_SIZE);
+
+	t = __raw_readl(base + QCA955X_GMAC_REG_ETH_CFG);
+
+	t &= ~(QCA955X_ETH_CFG_RGMII_EN | QCA955X_ETH_CFG_GE0_SGMII);
+	t |= QCA955X_ETH_CFG_RGMII_EN;
+
+	__raw_writel(t, base + QCA955X_GMAC_REG_ETH_CFG);
+
+	iounmap(base);
+}
+
+static void __init archer_c7_setup(void)
+{
+	u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
+	u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
+	u8 tmpmac[ETH_ALEN];
+
+	ath79_register_m25p80(&archer_c7_flash_data);
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(archer_c7_leds_gpio),
+				 archer_c7_leds_gpio);
+	ath79_register_gpio_keys_polled(-1, ARCHER_C7_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(archer_c7_gpio_keys),
+					archer_c7_gpio_keys);
+
+	ath79_init_mac(tmpmac, mac, -1);
+	ath79_register_wmac(art + ARCHER_C7_WMAC_CALDATA_OFFSET, tmpmac);
+
+	ath79_register_pci();
+
+	mdiobus_register_board_info(archer_c7_mdio0_info,
+				    ARRAY_SIZE(archer_c7_mdio0_info));
+	ath79_register_mdio(0, 0x0);
+
+	archer_c7_gmac_setup();
+
+	/* 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_init_mac(ath79_eth0_data.mac_addr, mac, 1);
+	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, mac, 0);
+	ath79_register_eth(1);
+
+	gpio_request_one(ARCHER_C7_GPIO_USB1_POWER,
+			 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
+			 "USB1 power");
+	gpio_request_one(ARCHER_C7_GPIO_USB2_POWER,
+			 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
+			 "USB2 power");
+	ath79_register_usb();
+}
+
+MIPS_MACHINE(ATH79_MACH_ARCHER_C7, "ARCHER-C7", "TP-LINK Archer C7",
+	     archer_c7_setup);