ar71xx: Add support for D-Link DAP-1330 a1

D-Link DAP-1330 rev. A1 is a wall-plug N300 Wi-Fi range extender,
based on Qualcomm/Atheros QCA9533 v2.

Short specification:

- 650/393/216 MHz (CPU/DDR/AHB)
- 1x 10/100 Mbps Ethernet
- 64 MB of RAM (DDR1)
- 8 MB of FLASH
- 2T2R 2.4 GHz
- 2x external antennas
- 6x LED (2 are bi-color), 2x button
- 4 pin on pcb (looking from eth port and from left to right tx,rx,gnd,vcc)

Flash instruction: use "factory" image directly in vendor GUI.

This device has a recovery system that assign the ip addr of env
variable "serverip" via dhcp to a pc, and the "ipaddr" value to itself.
The recovery it's triggered by a not bootable firmware,
or pressing the reset button during the bootloader startup (first 30 seconds).
The recovery uses a http page to restore the firmware, and it's checking
the firmware image header, so use the "factory" image to
restore or the original firmware.

You can access vendor firmware over serial using:
- login: root
- password: linuxrocks

Image was tested only in EU version of the device, but should work
also with the same device version sold in other countries.

Signed-off-by: Nicolò Veronese <nicveronese@gmail.com>

4 files changed, 157 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 ec3c329..20c5385 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Kconfig.openwrt
@@ -2300,6 +2300,15 @@ config ATH79_MACH_QIHOO_C301
 	select ATH79_DEV_USB
 	select ATH79_NVRAM
 
+config ATH79_MACH_DAP_1330_A1
+	bool "D-Link DAP-1330 rev. A1 support"
+	select SOC_QCA953X
+	select ATH79_DEV_ETH
+	select ATH79_DEV_GPIO_BUTTONS
+	select ATH79_DEV_LEDS_GPIO
+	select ATH79_DEV_M25P80
+	select ATH79_DEV_WMAC
+
 config ATH79_MACH_DAP_2695_A1
 	bool "D-Link DAP-2695 rev. A1 support"
 	select SOC_QCA955X
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/Makefile b/target/linux/ar71xx/files/arch/mips/ath79/Makefile
index 62d7317..d549dd3 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/Makefile
+++ b/target/linux/ar71xx/files/arch/mips/ath79/Makefile
@@ -89,6 +89,7 @@ obj-$(CONFIG_ATH79_MACH_CPE830)			+= mach-ap90q.o
 obj-$(CONFIG_ATH79_MACH_CPE870)			+= mach-cpe870.o
 obj-$(CONFIG_ATH79_MACH_CR3000)			+= mach-cr3000.o
 obj-$(CONFIG_ATH79_MACH_CR5000)			+= mach-cr5000.o
+obj-$(CONFIG_ATH79_MACH_DAP_1330_A1)		+= mach-dap-1330-a1.o
 obj-$(CONFIG_ATH79_MACH_DAP_2695_A1)		+= mach-dap-2695-a1.o
 obj-$(CONFIG_ATH79_MACH_DB120)			+= mach-db120.o
 obj-$(CONFIG_ATH79_MACH_DGL_5500_A1)		+= mach-dgl-5500-a1.o
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-dap-1330-a1.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-dap-1330-a1.c
new file mode 100644
index 0000000..9c50bc7
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-dap-1330-a1.c
@@ -0,0 +1,146 @@
+/*
+ * D-Link DAP-1330
+ *
+ * Copyright (c) 2013-2015 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017 Nicolò Veronese <nicveronese@gmail.com>
+ * Copyright (c) 2017 Federico Cappon <dududede371@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/gpio.h>
+#include <linux/platform_device.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 "machtypes.h"
+#include "nvram.h"
+
+#include <linux/kernel.h>
+#include <linux/vmalloc.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/string.h>
+
+#define DAP_1330_GPIO_LED_GREEN_POWER	13
+#define DAP_1330_GPIO_LED_RED_POWER	3
+#define DAP_1330_GPIO_LED_GREEN_WIFI	14
+#define DAP_1330_GPIO_LED_RED_WIFI	11
+#define DAP_1330_GPIO_LED_SIGNAL1	15
+#define DAP_1330_GPIO_LED_SIGNAL2	16
+
+#define DAP_1330_GPIO_BTN_WPS		2
+#define DAP_1330_GPIO_BTN_RESET		17
+
+#define DAP_1330_KEYS_POLL_INTERVAL	20	/* msecs */
+#define DAP_1330_KEYS_DEBOUNCE_INTERVAL	(3 * DAP_1330_KEYS_POLL_INTERVAL)
+
+#define DAP1330_MAC_ADDR		0x1f020001
+
+#define DAP1330_WMAC_CALDATA_ADDR	0x1f010000
+#define DAP_1330_WMAC_CALDATA_OFFSET	0x1000
+
+static struct gpio_led dap_1330_leds_gpio[] __initdata = {
+		{
+				.name		= "d-link:green:power",
+				.gpio		= DAP_1330_GPIO_LED_GREEN_POWER,
+				.active_low	= 1,
+		},
+		{
+				.name		= "d-link:red:power",
+				.gpio		= DAP_1330_GPIO_LED_RED_POWER,
+				.active_low	= 1,
+		},
+		{
+				.name		= "d-link:green:wifi",
+				.gpio		= DAP_1330_GPIO_LED_GREEN_WIFI,
+				.active_low	= 1,
+		},
+		{
+				.name		= "d-link:red:wifi",
+				.gpio		= DAP_1330_GPIO_LED_RED_WIFI,
+				.active_low	= 1,
+		},
+		{
+				.name		= "d-link:green:signal1",
+				.gpio		= DAP_1330_GPIO_LED_SIGNAL1,
+				.active_low	= 1,
+		},
+		{
+				.name		= "d-link:green:signal2",
+				.gpio		= DAP_1330_GPIO_LED_SIGNAL2,
+				.active_low	= 1,
+		}
+};
+
+static struct gpio_keys_button dap_1330_gpio_keys[] __initdata = {
+	{
+		.desc		= "WPS button",
+		.type		= EV_KEY,
+		.code		= KEY_WPS_BUTTON,
+		.debounce_interval = DAP_1330_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= DAP_1330_GPIO_BTN_WPS,
+		.active_low	= 1,
+	},
+	{
+		.desc		= "Reset button",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = DAP_1330_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= DAP_1330_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}
+};
+
+static void __init dap_1330_setup(void)
+{
+	u8 *art = (u8 *) KSEG1ADDR(DAP1330_WMAC_CALDATA_ADDR);
+	u8 *mac_ptr = (u8 *) KSEG1ADDR(DAP1330_MAC_ADDR);
+	u8 mac[ETH_ALEN];
+
+	ath79_parse_ascii_mac((char *) mac_ptr, mac);
+
+	ath79_register_m25p80(NULL);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(dap_1330_leds_gpio),
+		dap_1330_leds_gpio);
+
+	ath79_register_gpio_keys_polled(-1, DAP_1330_KEYS_POLL_INTERVAL,
+			ARRAY_SIZE(dap_1330_gpio_keys),
+			dap_1330_gpio_keys);
+
+	ath79_register_wmac(art + DAP_1330_WMAC_CALDATA_OFFSET, mac);
+
+	ath79_register_mdio(0, 0x0);
+
+	ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
+
+	/* LAN ports */
+	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
+	ath79_eth1_data.speed = SPEED_1000;
+	ath79_eth1_data.duplex = DUPLEX_FULL;
+	ath79_switch_data.phy_poll_mask |= BIT(4);
+	ath79_switch_data.phy4_mii_en = 1;
+	ath79_register_eth(1);
+}
+
+MIPS_MACHINE(ATH79_MACH_DAP_1330_A1, "DAP-1330-A1",
+             "D-Link DAP-1330 Rev. A1", dap_1330_setup);
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
index de7298f..f57ce6a 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
+++ b/target/linux/ar71xx/files/arch/mips/ath79/machtypes.h
@@ -78,6 +78,7 @@ enum ath79_mach_type {
 	ATH79_MACH_CPE870,			/* YunCore CPE870 */
 	ATH79_MACH_CR3000,			/* PowerCloud CR3000 */
 	ATH79_MACH_CR5000,			/* PowerCloud CR5000 */
+	ATH79_MACH_DAP_1330_A1,			/* D-Link DAP-1330 rev. A1 */
 	ATH79_MACH_DAP_2695_A1,			/* D-Link DAP-2695 rev. A1 */
 	ATH79_MACH_DB120,			/* Atheros DB120 reference board */
 	ATH79_MACH_DGL_5500_A1,			/* D-link DGL-5500 rev. A1 */