ar71xx: Add support for the Meraki MR12 & MR16

This patch is to add support for the Meraki MR12 and MR16 Access Points.
Currently everything is working, minus the 2nd NIC interface on the MR12
which is built into the SoC.

Signed-off-by: Chris R Blake <chrisrblake93 at gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@45726 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 115 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-mr12.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-mr12.c
new file mode 100644
index 0000000000..12c9a1cb5d
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-mr12.c
@@ -0,0 +1,115 @@
+/*
+ *  Cisco Meraki MR12 board support
+ *
+ *  Copyright (C) 2014-2015 Chris Blake <chrisrblake93@gmail.com>
+ *
+ *  Based on Atheros AP96 board support configuration
+ *
+ *  Copyright (C) 2009 Marco Porsch
+ *  Copyright (C) 2009-2012 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2010 Atheros Communications
+ *
+ *  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/platform_device.h>
+#include <linux/delay.h>
+
+#include <asm/mach-ath79/ath79.h>
+
+#include "dev-ap9x-pci.h"
+#include "dev-eth.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "machtypes.h"
+
+#define MR12_GPIO_LED_W4_GREEN		14
+#define MR12_GPIO_LED_W3_GREEN		13
+#define MR12_GPIO_LED_W2_GREEN		12
+#define MR12_GPIO_LED_W1_GREEN		11
+
+#define MR12_GPIO_LED_WAN		15
+
+#define MR12_GPIO_LED_POWER_ORANGE		16
+#define MR12_GPIO_LED_POWER_GREEN		17
+
+#define MR12_GPIO_BTN_RESET		8
+#define MR12_KEYS_POLL_INTERVAL		20	/* msecs */
+#define MR12_KEYS_DEBOUNCE_INTERVAL	(3 * MR12_KEYS_POLL_INTERVAL)
+
+#define MR12_WAN_PHYMASK    BIT(4)
+
+#define MR12_WMAC0_MAC_OFFSET           0x120c
+#define MR12_CALDATA0_OFFSET            0x1000
+
+static struct gpio_led MR12_leds_gpio[] __initdata = {
+	{
+		.name		= "mr12:green:wan",
+		.gpio		= MR12_GPIO_LED_WAN,
+		.active_low	= 1,
+	}, {
+		.name		= "mr12:orange:power",
+		.gpio		= MR12_GPIO_LED_POWER_ORANGE,
+		.active_low	= 1,
+	}, {
+		.name		= "mr12:green:power",
+		.gpio		= MR12_GPIO_LED_POWER_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "mr12:green:wifi4",
+		.gpio		= MR12_GPIO_LED_W4_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "mr12:green:wifi3",
+		.gpio		= MR12_GPIO_LED_W3_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "mr12:green:wifi2",
+		.gpio		= MR12_GPIO_LED_W2_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "mr12:green:wifi1",
+		.gpio		= MR12_GPIO_LED_W1_GREEN,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_keys_button MR12_gpio_keys[] __initdata = {
+	{
+		.desc		= "reset",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = MR12_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= MR12_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}
+};
+
+static void __init MR12_setup(void)
+{
+	u8 *mac = (u8 *) KSEG1ADDR(0xbfff0000);
+	
+	ath79_register_mdio(0,0x0);
+
+	ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
+	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
+	ath79_eth0_data.phy_mask = MR12_WAN_PHYMASK;
+	ath79_register_eth(0);
+
+	ath79_register_m25p80(NULL);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(MR12_leds_gpio),
+					MR12_leds_gpio);
+	ath79_register_gpio_keys_polled(-1, MR12_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(MR12_gpio_keys),
+					MR12_gpio_keys);
+
+	ap91_pci_init(mac + MR12_CALDATA0_OFFSET,
+				mac + MR12_WMAC0_MAC_OFFSET);
+
+}
+
+MIPS_MACHINE(ATH79_MACH_MR12, "MR12", "Meraki MR12", MR12_setup);
\ No newline at end of file