ar71xx: adding u-boot for nbg460n

This adds u-boot for nbg460n ar71xx target,
as it is required as second stage bootloader.

Signed-off-by: Michael Kurz <michi.kurz@googlemail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24418 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 65 insertions, 0 deletions

diff --git a/package/uboot-ar71xx/files/include/asm-mips/ar71xx_gpio.h b/package/uboot-ar71xx/files/include/asm-mips/ar71xx_gpio.h
new file mode 100644
index 0000000000..c92364b881
--- /dev/null
+++ b/package/uboot-ar71xx/files/include/asm-mips/ar71xx_gpio.h
@@ -0,0 +1,65 @@
+/*
+ * (C) Copyright 2010
+ * Michael Kurz <michi.kurz@googlemail.com>.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _AR71XX_GPIO_H
+#define _AR71XX_GPIO_H
+
+#include <common.h>
+#include <asm/ar71xx.h>
+
+static inline void ar71xx_setpin(uint8_t pin, uint8_t state)
+{
+	uint32_t reg = readl(KSEG1ADDR(AR71XX_GPIO_BASE + GPIO_REG_OUT));
+
+	if (state != 0) {
+       reg |= (1 << pin);
+   } else {
+       reg &= ~(1 << pin);
+   }
+
+	writel(reg, KSEG1ADDR(AR71XX_GPIO_BASE + GPIO_REG_OUT));
+	readl(KSEG1ADDR(AR71XX_GPIO_BASE + GPIO_REG_OUT));
+}
+
+static inline uint32_t ar71xx_getpin(uint8_t pin)
+{
+    uint32_t reg = readl(KSEG1ADDR(AR71XX_GPIO_BASE + GPIO_REG_IN));
+    return (((reg & (1 << pin)) != 0) ? 1 : 0);
+}
+
+static inline void ar71xx_setpindir(uint8_t pin, uint8_t direction)
+{
+	uint32_t reg = readl(KSEG1ADDR(AR71XX_GPIO_BASE + GPIO_REG_OE));
+
+	if (direction != 0) {
+        reg |= (1 << pin);
+    } else {
+        reg &= ~(1 << pin);
+    }
+
+	writel(reg, KSEG1ADDR(AR71XX_GPIO_BASE + GPIO_REG_OE));
+	readl(KSEG1ADDR(AR71XX_GPIO_BASE + GPIO_REG_OE));
+}
+
+
+#endif /* AR71XX_GPIO_H */