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Diffstat (limited to 'arch/powerpc/mach-mpc85xx/fsl_gpio.c')
-rw-r--r--arch/powerpc/mach-mpc85xx/fsl_gpio.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/powerpc/mach-mpc85xx/fsl_gpio.c b/arch/powerpc/mach-mpc85xx/fsl_gpio.c
new file mode 100644
index 0000000000..85994dcf1b
--- /dev/null
+++ b/arch/powerpc/mach-mpc85xx/fsl_gpio.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2013 GE Intelligent Platforms, Inc.
+ *
+ * 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.
+ *
+ * Minimal GPIO support.
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <mach/gpio.h>
+#include <mach/immap_85xx.h>
+
+#ifdef CONFIG_MPC8544
+/* Enable all GPIO output pins */
+void fsl_enable_gpiout(void)
+{
+ void __iomem *gpiocr = IOMEM(MPC85xx_GUTS_ADDR + MPC85xx_GPIOCR_OFFSET);
+
+ out_be32(gpiocr, in_be32(gpiocr) | MPC85xx_GPIOCR_GPOUT);
+}
+#endif