ar71xx: add support for the built-in WMAC of the AR934x

Signed-off-by: Jaiganesh Narayanan <jnarayanan@atheros.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26521 3c298f89-4303-0410-b956-a3cf2f4a3e73

5 files changed, 89 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
index 79f308b13..051df4cb7 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
@@ -309,6 +309,9 @@ config AR71XX_DEV_AP94_PCI
 config AR71XX_DEV_AR913X_WMAC
 	def_bool n
 
+config AR71XX_DEV_AR934X_WMAC
+	def_bool n
+
 config AR71XX_DEV_DSA
 	def_bool n
 
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
index b0747b439..988e521a1 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_PCI)			+= pci.o
 obj-$(CONFIG_AR71XX_DEV_AP91_PCI)	+= dev-ap91-pci.o
 obj-$(CONFIG_AR71XX_DEV_AP94_PCI)	+= dev-ap94-pci.o
 obj-$(CONFIG_AR71XX_DEV_AR913X_WMAC)	+= dev-ar913x-wmac.o
+obj-$(CONFIG_AR71XX_DEV_AR934X_WMAC)	+= dev-ar934x-wmac.o
 obj-$(CONFIG_AR71XX_DEV_DSA)		+= dev-dsa.o
 obj-$(CONFIG_AR71XX_DEV_GPIO_BUTTONS)	+= dev-gpio-buttons.o
 obj-$(CONFIG_AR71XX_DEV_LEDS_GPIO)	+= dev-leds-gpio.o
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/dev-ar934x-wmac.c b/target/linux/ar71xx/files/arch/mips/ar71xx/dev-ar934x-wmac.c
new file mode 100644
index 000000000..e7d550f4a
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/dev-ar934x-wmac.c
@@ -0,0 +1,64 @@
+/*
+ *  Atheros AR934x SoC built-in WMAC device support
+ *
+ *  Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
+ *
+ *  Parts of this file are based on Atheros 2.6.31 BSP
+ *
+ *  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/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/etherdevice.h>
+#include <linux/platform_device.h>
+#include <linux/ath9k_platform.h>
+
+#include <asm/mach-ar71xx/ar71xx.h>
+
+#include "dev-ar934x-wmac.h"
+
+static struct ath9k_platform_data ar934x_wmac_data = {
+	.led_pin = -1,
+};
+
+static u8 ar934x_wmac_mac[6];
+
+static struct resource ar934x_wmac_resources[] = {
+	{
+		.start	= AR934X_WMAC_BASE,
+		.end	= AR934X_WMAC_BASE + AR934X_WMAC_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= AR71XX_CPU_IRQ_IP2,
+		.end	= AR71XX_CPU_IRQ_IP2,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device ar934x_wmac_device = {
+	.name		= "ath9k",
+	.id		= -1,
+	.resource	= ar934x_wmac_resources,
+	.num_resources	= ARRAY_SIZE(ar934x_wmac_resources),
+	.dev = {
+		.platform_data = &ar934x_wmac_data,
+	},
+};
+
+void __init ar934x_add_device_wmac(u8 *cal_data, u8 *mac_addr)
+{
+	if (cal_data)
+		memcpy(ar934x_wmac_data.eeprom_data, cal_data,
+		       sizeof(ar934x_wmac_data.eeprom_data));
+
+	if (mac_addr) {
+		memcpy(ar934x_wmac_mac, mac_addr, sizeof(ar934x_wmac_mac));
+		ar934x_wmac_data.macaddr = ar934x_wmac_mac;
+	}
+
+	platform_device_register(&ar934x_wmac_device);
+}
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/dev-ar934x-wmac.h b/target/linux/ar71xx/files/arch/mips/ar71xx/dev-ar934x-wmac.h
new file mode 100644
index 000000000..36230006a
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/dev-ar934x-wmac.h
@@ -0,0 +1,18 @@
+/*
+ *  Atheros AR934x SoC built-in WMAC device support
+ *
+ *  Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
+ *
+ *  Parts of this file are based on Atheros linux 2.6.31 BSP
+ *
+ *  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.
+ */
+
+#ifndef _AR71XX_DEV_AR934X_WMAC_H
+#define _AR71XX_DEV_AR934X_WMAC_H
+
+void ar934x_add_device_wmac(u8 *cal_data, u8 *mac_addr) __init;
+
+#endif /* _AR71XX_DEV_AR934X_WMAC_H */
diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
index e671f58ed..2a540a83e 100644
--- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
+++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
@@ -70,6 +70,9 @@
 #define AR91XX_WMAC_BASE	(AR71XX_APB_BASE + 0x000C0000)
 #define AR91XX_WMAC_SIZE	0x30000
 
+#define AR934X_WMAC_BASE	(AR71XX_APB_BASE + 0x00100000)
+#define AR934X_WMAC_SIZE	0x1ffff
+
 #define AR71XX_MEM_SIZE_MIN	0x0200000
 #define AR71XX_MEM_SIZE_MAX	0x10000000