From aedeeb1874e872189927c3c73cc039a2eb250586 Mon Sep 17 00:00:00 2001
From: florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Wed, 26 Nov 2008 18:41:01 +0000
Subject: Flatten brcm63xx patches, should make our life easier to patch files
 now ;)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13368 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 .../linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c  | 98 ++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c

(limited to 'target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c')

diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c b/target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c
new file mode 100644
index 000000000..2c203a69e
--- /dev/null
+++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/gpio.c
@@ -0,0 +1,98 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_gpio.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+
+static DEFINE_SPINLOCK(bcm63xx_gpio_lock);
+
+void bcm63xx_gpio_set_dataout(int gpio, int val)
+{
+	u32 reg;
+	u32 mask;
+	u32 tmp;
+	unsigned long flags;
+
+	if (gpio >= BCM63XX_GPIO_COUNT)
+		BUG();
+
+	if (gpio < 32) {
+		reg = GPIO_DATA_LO_REG;
+		mask = 1 << gpio;
+	} else {
+		reg = GPIO_DATA_HI_REG;
+		mask = 1 << (gpio - 32);
+	}
+
+	spin_lock_irqsave(&bcm63xx_gpio_lock, flags);
+	tmp = bcm_gpio_readl(reg);
+	if (val)
+		tmp |= mask;
+	else
+		tmp &= ~mask;
+	bcm_gpio_writel(tmp, reg);
+	spin_unlock_irqrestore(&bcm63xx_gpio_lock, flags);
+}
+
+EXPORT_SYMBOL(bcm63xx_gpio_set_dataout);
+
+int bcm63xx_gpio_get_datain(int gpio)
+{
+	u32 reg;
+	u32 mask;
+
+	if (gpio >= BCM63XX_GPIO_COUNT)
+		BUG();
+
+	if (gpio < 32) {
+		reg = GPIO_DATA_LO_REG;
+		mask = 1 << gpio;
+	} else {
+		reg = GPIO_DATA_HI_REG;
+		mask = 1 << (gpio - 32);
+	}
+
+	return !!(bcm_gpio_readl(reg) & mask);
+}
+
+EXPORT_SYMBOL(bcm63xx_gpio_get_datain);
+
+void bcm63xx_gpio_set_direction(int gpio, int dir)
+{
+	u32 reg;
+	u32 mask;
+	u32 tmp;
+	unsigned long flags;
+
+	if (gpio >= BCM63XX_GPIO_COUNT)
+		BUG();
+
+	if (gpio < 32) {
+		reg = GPIO_CTL_LO_REG;
+		mask = 1 << gpio;
+	} else {
+		reg = GPIO_CTL_HI_REG;
+		mask = 1 << (gpio - 32);
+	}
+
+	spin_lock_irqsave(&bcm63xx_gpio_lock, flags);
+	tmp = bcm_gpio_readl(reg);
+	if (dir == GPIO_DIR_IN)
+		tmp &= ~mask;
+	else
+		tmp |= mask;
+	bcm_gpio_writel(tmp, reg);
+	spin_unlock_irqrestore(&bcm63xx_gpio_lock, flags);
+}
+
+EXPORT_SYMBOL(bcm63xx_gpio_set_direction);
-- 
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