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Message-Id: <1321440940-20246-3-git-send-email-xsecute@googlemail.com>
Date: Wed, 16 Nov 2011 11:55:40 +0100
From: Rene Bolldorf <xsecute@...glemail.com>
To: Ralf Baechle <ralf@...ux-mips.org>
Cc: linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
Rene Bolldorf <xsecute@...glemail.com>
Subject: [PATCH 2/2] Initial support for the Ubiquiti Networks XM board.
Signed-off-by: Rene Bolldorf <xsecute@...glemail.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@...glemail.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
--
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