[PATCH 2/2] Initial support for the Ubiquiti Networks XM board.

[Rene Bolldorf <xsecute@googlemail.com>]

Signed-off-by: Rene Bolldorf <xsecute@googlemail.com>
---
 arch/mips/ath79/Kconfig        |   12 ++++
 arch/mips/ath79/Makefile       |    1 +
 arch/mips/ath79/Platform       |    7 ++-
 arch/mips/ath79/mach-ubnt-xm.c |  110 ++++++++++++++++++++++++++++++++++++++++
 arch/mips/ath79/machtypes.h    |    1 +
 5 files changed, 128 insertions(+), 3 deletions(-)
 create mode 100644 arch/mips/ath79/mach-ubnt-xm.c

diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig
index 4770741..fa74e73 100644
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -23,6 +23,16 @@ config ATH79_MACH_PB44
 	  Say 'Y' here if you want your kernel to support the
 	  Atheros PB44 reference board.
 
+config ATH79_MACH_UBNT_XM
+	bool "Ubiquiti Networks XM board"
+	select SOC_AR724X
+	select ATH79_DEV_GPIO_BUTTONS
+	select ATH79_DEV_LEDS_GPIO
+	select ATH79_DEV_SPI
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Ubiquiti Networks XM board.
+
 endmenu
 
 config SOC_AR71XX
@@ -33,6 +43,8 @@ config SOC_AR71XX
 config SOC_AR724X
 	select USB_ARCH_HAS_EHCI
 	select USB_ARCH_HAS_OHCI
+	select HW_HAS_PCI
+	select PCI
 	def_bool n
 
 config SOC_AR913X
diff --git a/arch/mips/ath79/Makefile b/arch/mips/ath79/Makefile
index c33d465..ac9f375 100644
--- a/arch/mips/ath79/Makefile
+++ b/arch/mips/ath79/Makefile
@@ -26,3 +26,4 @@ obj-$(CONFIG_ATH79_DEV_SPI)		+= dev-spi.o
 #
 obj-$(CONFIG_ATH79_MACH_AP81)		+= mach-ap81.o
 obj-$(CONFIG_ATH79_MACH_PB44)		+= mach-pb44.o
+obj-$(CONFIG_ATH79_MACH_UBNT_XM)	+= mach-ubnt-xm.o
diff --git a/arch/mips/ath79/Platform b/arch/mips/ath79/Platform
index 2bd6636..aca7ab1 100644
--- a/arch/mips/ath79/Platform
+++ b/arch/mips/ath79/Platform
@@ -2,6 +2,7 @@
 # Atheros AR71xx/AR724x/AR913x
 #
 
-platform-$(CONFIG_ATH79)	+= ath79/
-cflags-$(CONFIG_ATH79)		+= -I$(srctree)/arch/mips/include/asm/mach-ath79
-load-$(CONFIG_ATH79)		= 0xffffffff80060000
+platform-$(CONFIG_ATH79)		+= ath79/
+cflags-$(CONFIG_ATH79)			+= -I$(srctree)/arch/mips/include/asm/mach-ath79
+load-$(CONFIG_ATH79)			= 0xffffffff80060000
+load-$(CONFIG_ATH79_MACH_UBNT_XM)	= 0xffffffff80002000
diff --git a/arch/mips/ath79/mach-ubnt-xm.c b/arch/mips/ath79/mach-ubnt-xm.c
new file mode 100644
index 0000000..150a0a0
--- /dev/null
+++ b/arch/mips/ath79/mach-ubnt-xm.c
@@ -0,0 +1,110 @@
+/*
+ *  Ubiquiti Networks XM board support
+ *
+ *  Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com>
+ *
+ *  Derived from: mach-pb44.c
+ *
+ *  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/init.h>
+#include <linux/pci.h>
+#include <linux/ath9k_platform.h>
+
+#include "machtypes.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-spi.h"
+
+#define UBNT_XM_GPIO_LED_L1		0
+#define UBNT_XM_GPIO_LED_L2		1
+#define UBNT_XM_GPIO_LED_L3		11
+#define UBNT_XM_GPIO_LED_L4		7
+
+#define UBNT_XM_GPIO_BTN_RESET		12
+
+#define UBNT_XM_KEYS_POLL_INTERVAL	20
+#define UBNT_XM_KEYS_DEBOUNCE_INTERVAL	(3 * UBNT_XM_KEYS_POLL_INTERVAL)
+
+#define UBNT_XM_PCI_IRQ			48
+#define UBNT_XM_EEPROM_ADDR		(u8 *) KSEG1ADDR(0x1fff1000)
+
+static struct gpio_led ubnt_xm_leds_gpio[] __initdata = {
+	{
+		.name		= "signal:poor",
+		.gpio		= UBNT_XM_GPIO_LED_L1,
+		.active_low	= 0,
+	}, {
+		.name		= "signal:bad",
+		.gpio		= UBNT_XM_GPIO_LED_L2,
+		.active_low	= 0,
+	}, {
+		.name		= "signal:good",
+		.gpio		= UBNT_XM_GPIO_LED_L3,
+		.active_low	= 0,
+	}, {
+		.name		= "signal:excellent",
+		.gpio		= UBNT_XM_GPIO_LED_L4,
+		.active_low	= 0,
+	},
+};
+
+static struct gpio_keys_button ubnt_xm_gpio_keys[] __initdata = {
+	{
+		.desc		= "reset",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = UBNT_XM_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= UBNT_XM_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}
+};
+
+static struct spi_board_info ubnt_xm_spi_info[] = {
+	{
+		.bus_num	= 0,
+		.chip_select	= 0,
+		.max_speed_hz	= 25000000,
+		.modalias	= "mx25l6405d",
+	}
+};
+
+static struct ath79_spi_platform_data ubnt_xm_spi_data = {
+	.bus_num		= 0,
+	.num_chipselect		= 1,
+};
+
+static struct ath9k_platform_data ubnt_xm_eeprom_data;
+
+int __init pcibios_map_irq(const struct pci_dev *dev, uint8_t slot, uint8_t pin)
+{
+	return UBNT_XM_PCI_IRQ;
+}
+
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+	dev->dev.platform_data = &ubnt_xm_eeprom_data;
+
+	return 0;
+}
+
+static void __init ubnt_xm_init(void)
+{
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(ubnt_xm_leds_gpio),
+				 ubnt_xm_leds_gpio);
+
+	ath79_register_gpio_keys_polled(-1, UBNT_XM_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(ubnt_xm_gpio_keys),
+					ubnt_xm_gpio_keys);
+
+	ath79_register_spi(&ubnt_xm_spi_data, ubnt_xm_spi_info,
+			   ARRAY_SIZE(ubnt_xm_spi_info));
+
+	memcpy(ubnt_xm_eeprom_data.eeprom_data, UBNT_XM_EEPROM_ADDR,
+	       sizeof(ubnt_xm_eeprom_data.eeprom_data));
+}
+
+MIPS_MACHINE(ATH79_MACH_UBNT_XM, "UBNT-XM", "Ubiquiti Networks XM board", ubnt_xm_init);
diff --git a/arch/mips/ath79/machtypes.h b/arch/mips/ath79/machtypes.h
index 3940fe4..1bb0747 100644
--- a/arch/mips/ath79/machtypes.h
+++ b/arch/mips/ath79/machtypes.h
@@ -18,6 +18,7 @@ enum ath79_mach_type {
 	ATH79_MACH_GENERIC = 0,
 	ATH79_MACH_AP81,		/* Atheros AP81 reference board */
 	ATH79_MACH_PB44,		/* Atheros PB44 reference board */
+	ATH79_MACH_UBNT_XM,		/* Ubiquiti Networks XM board */
 };
 
 #endif /* _ATH79_MACHTYPE_H */
-- 
1.7.7.1