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authorGabor Juhos <juhosg@openwrt.org>2014-07-14 16:03:34 +0000
committerGabor Juhos <juhosg@openwrt.org>2014-07-14 16:03:34 +0000
commit51c892053a13e8808fa9987f6bb07b67ee6a29b0 (patch)
treecce3dfb5df0d0061f66d1bc1012b2e9009ca4b4f /target/linux/ar71xx/files
parentd7ae7bae575b28e4ff5c44a5fb67bbb864368d15 (diff)
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ar71xx: add kernel support for the Tube2H board
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 41649
Diffstat (limited to 'target/linux/ar71xx/files')
-rw-r--r--target/linux/ar71xx/files/arch/mips/ath79/mach-tube2h.c113
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);
+