Add support for Atheros AP96 reference board

This is still preliminary and not really tested much. Anyway, this
version seems to be enough to get both wired and wireless
interfaces working. Buttons and leds are also working.

mach-ap96.c is based on mach-wndr3700.c.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23125 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 186 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
index 1657ffa0a..2b4c3bdcf 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
@@ -19,6 +19,15 @@ config AR71XX_MACH_AP83
 	select AR71XX_DEV_USB
 	default n
 
+config AR71XX_MACH_AP96
+	bool "Atheros AP96 board support"
+	select AR71XX_DEV_M25P80
+	select AR71XX_DEV_AP94_PCI if PCI
+	select AR71XX_DEV_GPIO_BUTTONS
+	select AR71XX_DEV_LEDS_GPIO
+	select AR71XX_DEV_USB
+	default n
+
 config AR71XX_MACH_DIR_600_A1
 	bool "D-Link DIR-600 rev. A1 support"
 	select AR71XX_DEV_AP91_ETH
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
index b9c368e1a..81dab7c71 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_AR71XX_NVRAM)		+= nvram.o
 
 obj-$(CONFIG_AR71XX_MACH_AP81)		+= mach-ap81.o
 obj-$(CONFIG_AR71XX_MACH_AP83)		+= mach-ap83.o
+obj-$(CONFIG_AR71XX_MACH_AP96)		+= mach-ap96.o
 obj-$(CONFIG_AR71XX_MACH_AW_NR580)	+= mach-aw-nr580.o
 obj-$(CONFIG_AR71XX_MACH_DIR_600_A1)	+= mach-dir-600-a1.o
 obj-$(CONFIG_AR71XX_MACH_DIR_615_C1)	+= mach-dir-615-c1.o
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap96.c b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap96.c
new file mode 100644
index 000000000..6a7b6ff1c
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap96.c
@@ -0,0 +1,175 @@
+/*
+ *  Atheros AP96 board support
+ *
+ *  Copyright (C) 2009 Marco Porsch
+ *  Copyright (C) 2009-2010 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/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/delay.h>
+
+#include <asm/mach-ar71xx/ar71xx.h>
+
+#include "machtype.h"
+#include "devices.h"
+#include "dev-m25p80.h"
+#include "dev-ap94-pci.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-usb.h"
+
+#define AP96_GPIO_LED_12_GREEN		0
+#define AP96_GPIO_LED_3_GREEN		1
+#define AP96_GPIO_LED_2_GREEN		2
+#define AP96_GPIO_LED_WPS_GREEN		4
+#define AP96_GPIO_LED_5_GREEN		5
+#define AP96_GPIO_LED_4_ORANGE		6
+
+/* Reset button - next to the power connector */
+#define AP96_GPIO_BTN_RESET		3
+/* WPS button - next to a led on right */
+#define AP96_GPIO_BTN_WPS		8
+
+#define AP96_BUTTONS_POLL_INTERVAL    20
+
+#define AP96_WMAC0_MAC_OFFSET		0x120c
+#define AP96_WMAC1_MAC_OFFSET		0x520c
+#define AP96_CALDATA0_OFFSET		0x1000
+#define AP96_CALDATA1_OFFSET		0x5000
+
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition ap96_partitions[] = {
+	{
+		.name		= "uboot",
+		.offset		= 0,
+		.size		= 0x030000,
+		.mask_flags	= MTD_WRITEABLE,
+	} , {
+		.name		= "env",
+		.offset		= 0x030000,
+		.size		= 0x010000,
+		.mask_flags	= MTD_WRITEABLE,
+	} , {
+		.name		= "rootfs",
+		.offset		= 0x040000,
+		.size		= 0x600000,
+	} , {
+		.name		= "uImage",
+		.offset		= 0x640000,
+		.size		= 0x1b0000,
+	} , {
+		.name		= "caldata",
+		.offset		= 0x7f0000,
+		.size		= 0x010000,
+		.mask_flags	= MTD_WRITEABLE,
+	}
+};
+#endif /* CONFIG_MTD_PARTITIONS */
+
+static struct flash_platform_data ap96_flash_data = {
+#ifdef CONFIG_MTD_PARTITIONS
+        .parts          = ap96_partitions,
+        .nr_parts       = ARRAY_SIZE(ap96_partitions),
+#endif
+};
+
+/*
+ * AP96 has 12 unlabeled leds in the front; these are numbered from 1 to 12
+ * below (from left to right on the board). Led 1 seems to be on whenever the
+ * board is powered. Led 11 shows LAN link activity actity. Led 3 is orange;
+ * others are green.
+ *
+ * In addition, there is one led next to a button on the right side for WPS.
+ */
+static struct gpio_led ap96_leds_gpio[] __initdata = {
+	{
+		.name		= "ap96:green:led2",
+		.gpio		= AP96_GPIO_LED_2_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "ap96:green:led3",
+		.gpio		= AP96_GPIO_LED_3_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "ap96:orange:led4",
+		.gpio		= AP96_GPIO_LED_4_ORANGE,
+		.active_low	= 1,
+	}, {
+		.name		= "ap96:green:led5",
+		.gpio		= AP96_GPIO_LED_5_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "ap96:green:led12",
+		.gpio		= AP96_GPIO_LED_12_GREEN,
+		.active_low	= 1,
+	}, { /* next to a button on right */
+		.name		= "ap96:green:wps",
+		.gpio		= AP96_GPIO_LED_WPS_GREEN,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_button ap96_gpio_buttons[] __initdata = {
+	{
+		.desc		= "reset",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.threshold	= 3,
+		.gpio		= AP96_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}, {
+		.desc		= "wps",
+		.type		= EV_KEY,
+		.code		= KEY_WPS_BUTTON,
+		.threshold	= 3,
+		.gpio		= AP96_GPIO_BTN_WPS,
+		.active_low	= 1,
+	}
+};
+
+static void __init ap96_setup(void)
+{
+	u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
+
+	ar71xx_add_device_mdio(0xfffffffe);
+
+	ar71xx_init_mac(ar71xx_eth0_data.mac_addr, art, 0);
+	ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
+	ar71xx_eth0_data.phy_mask = 0x1;
+
+	ar71xx_add_device_eth(0);
+
+	ar71xx_init_mac(ar71xx_eth1_data.mac_addr, art, 1);
+	ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
+	ar71xx_eth1_data.speed = SPEED_1000;
+	ar71xx_eth1_data.duplex = DUPLEX_FULL;
+
+	ar71xx_eth1_pll_data.pll_1000 = 0x1f000000;
+
+	ar71xx_add_device_eth(1);
+
+	ar71xx_add_device_usb();
+
+	ar71xx_add_device_m25p80(&ap96_flash_data);
+
+        ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(ap96_leds_gpio),
+				    ap96_leds_gpio);
+
+	ar71xx_add_device_gpio_buttons(-1, AP96_BUTTONS_POLL_INTERVAL,
+				      ARRAY_SIZE(ap96_gpio_buttons),
+				      ap96_gpio_buttons);
+
+	ap94_pci_init(art + AP96_CALDATA0_OFFSET,
+		      art + AP96_WMAC0_MAC_OFFSET,
+		      art + AP96_CALDATA1_OFFSET,
+		      art + AP96_WMAC1_MAC_OFFSET);
+}
+
+MIPS_MACHINE(AR71XX_MACH_AP96, "AP96", "Atheros AP96", ap96_setup);
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/machtype.h b/target/linux/ar71xx/files/arch/mips/ar71xx/machtype.h
index b530abfe4..fde4717a9 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/machtype.h
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/machtype.h
@@ -58,6 +58,7 @@ enum ar71xx_mach_type {
 	AR71XX_MACH_EAP7660D,	/* Senao EAP7660D */
 	AR71XX_MACH_ZCN_1523H_2, /* Zcomax ZCN-1523H-2-xx */
 	AR71XX_MACH_ZCN_1523H_5, /* Zcomax ZCN-1523H-5-xx */
+	AR71XX_MACH_AP96,	/* Atheros AP96 */
 };
 
 #endif /* _AR71XX_MACHTYPE_H */