ar71xx: add kernel support for the Tube2H board

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 41649

1 files changed, 113 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-tube2h.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-tube2h.c
new file mode 100644
index 0000000000..b8addad397
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-tube2h.c
@@ -0,0 +1,113 @@
+/*
+ *  ALFA NETWORK Tube2H board support
+ *
+ *  Copyright (C) 2014 Gabor Juhos <juhosg@openwrt.org>
+ *
+ *  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/gpio.h>
+
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+
+#include "common.h"
+#include "dev-eth.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "dev-wmac.h"
+#include "machtypes.h"
+
+#define TUBE2H_GPIO_LED_SIGNAL4		0
+#define TUBE2H_GPIO_LED_SIGNAL3		1
+#define TUBE2H_GPIO_LED_SIGNAL2		13
+#define TUBE2H_GPIO_LED_LAN		17
+#define TUBE2H_GPIO_LED_SIGNAL1		27
+
+#define TUBE2H_GPIO_BTN_RESET		12
+
+#define TUBE2H_KEYS_POLL_INTERVAL	20	/* msecs */
+#define TUBE2H_KEYS_DEBOUNCE_INTERVAL	(3 * TUBE2H_KEYS_POLL_INTERVAL)
+
+#define TUBE2H_ART_ADDRESS		0x1f7f0000
+#define TUBE2H_LAN_MAC_OFFSET		0x06
+#define TUBE2H_CALDATA_OFFSET		0x1000
+
+static struct gpio_led tube2h_leds_gpio[] __initdata = {
+	{
+		.name		= "alfa:blue:lan",
+		.gpio		= TUBE2H_GPIO_LED_LAN,
+		.active_low	= 1,
+	},
+	{
+		.name		= "alfa:red:signal1",
+		.gpio		= TUBE2H_GPIO_LED_SIGNAL1,
+		.active_low	= 1,
+	},
+	{
+		.name		= "alfa:orange:signal2",
+		.gpio		= TUBE2H_GPIO_LED_SIGNAL2,
+		.active_low	= 0,
+	},
+	{
+		.name		= "alfa:green:signal3",
+		.gpio		= TUBE2H_GPIO_LED_SIGNAL3,
+		.active_low	= 0,
+	},
+	{
+		.name		= "alfa:green:signal4",
+		.gpio		= TUBE2H_GPIO_LED_SIGNAL4,
+		.active_low	= 0,
+	},
+};
+
+static struct gpio_keys_button tube2h_gpio_keys[] __initdata = {
+	{
+		.desc		= "Reset button",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = TUBE2H_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= TUBE2H_GPIO_BTN_RESET,
+		.active_low	= 1,
+	},
+};
+
+static void __init tube2h_setup(void)
+{
+	u8 *art = (u8 *) KSEG1ADDR(TUBE2H_ART_ADDRESS);
+	u32 t;
+
+	ath79_gpio_function_disable(AR933X_GPIO_FUNC_JTAG_DISABLE |
+				    AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
+				    AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
+				    AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
+				    AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
+				    AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
+
+	/* Ensure that GPIO26 and GPIO27 are controllable by software */
+	t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
+	t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN;
+	ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t);
+
+	ath79_register_wmac(art + TUBE2H_CALDATA_OFFSET, NULL);
+
+	ath79_register_m25p80(NULL);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(tube2h_leds_gpio),
+				 tube2h_leds_gpio);
+	ath79_register_gpio_keys_polled(-1, TUBE2H_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(tube2h_gpio_keys),
+					tube2h_gpio_keys);
+
+	ath79_init_mac(ath79_eth0_data.mac_addr,
+		       art + TUBE2H_LAN_MAC_OFFSET, 0);
+	ath79_register_mdio(0, 0x0);
+	ath79_register_eth(0);
+}
+
+MIPS_MACHINE(ATH79_MACH_TUBE2H, "TUBE2H", "ALFA NETWORK Tube2H",
+	     tube2h_setup);
+