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authorMichal Simek <monstr@monstr.eu>2009-03-27 14:25:42 +0100
committerMichal Simek <monstr@monstr.eu>2009-03-27 14:25:42 +0100
commita1a741e4143a971dafe66f54defdea2ad9a5be5a (patch)
treed1cca08d7a9baa19b8725c1d7239e8befba20900 /arch/microblaze
parent407f99912bd6e264340dd432c85d4e9c53d34579 (diff)
downloadlwn-a1a741e4143a971dafe66f54defdea2ad9a5be5a.tar.gz
lwn-a1a741e4143a971dafe66f54defdea2ad9a5be5a.zip
microblaze_v8: gpio.h, serial.h
Reviewed-by: Ingo Molnar <mingo@elte.hu> Acked-by: John Linn <john.linn@xilinx.com> Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze')
-rw-r--r--arch/microblaze/include/asm/gpio.h56
-rw-r--r--arch/microblaze/include/asm/serial.h14
2 files changed, 70 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/gpio.h b/arch/microblaze/include/asm/gpio.h
new file mode 100644
index 000000000000..ea04632399d8
--- /dev/null
+++ b/arch/microblaze/include/asm/gpio.h
@@ -0,0 +1,56 @@
+/*
+ * Generic GPIO API implementation for PowerPC.
+ *
+ * Copyright (c) 2007-2008 MontaVista Software, Inc.
+ *
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
+ *
+ * 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.
+ */
+
+#ifndef __ASM_POWERPC_GPIO_H
+#define __ASM_POWERPC_GPIO_H
+
+#include <linux/errno.h>
+#include <asm-generic/gpio.h>
+
+#ifdef CONFIG_GPIOLIB
+
+/*
+ * We don't (yet) implement inlined/rapid versions for on-chip gpios.
+ * Just call gpiolib.
+ */
+static inline int gpio_get_value(unsigned int gpio)
+{
+ return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned int gpio, int value)
+{
+ __gpio_set_value(gpio, value);
+}
+
+static inline int gpio_cansleep(unsigned int gpio)
+{
+ return __gpio_cansleep(gpio);
+}
+
+/*
+ * Not implemented, yet.
+ */
+static inline int gpio_to_irq(unsigned int gpio)
+{
+ return -ENOSYS;
+}
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+ return -EINVAL;
+}
+
+#endif /* CONFIG_GPIOLIB */
+
+#endif /* __ASM_POWERPC_GPIO_H */
diff --git a/arch/microblaze/include/asm/serial.h b/arch/microblaze/include/asm/serial.h
new file mode 100644
index 000000000000..39bfc8ce6af5
--- /dev/null
+++ b/arch/microblaze/include/asm/serial.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2009 Michal Simek <monstr@monstr.eu>
+ *
+ * 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.
+ */
+
+#ifndef _ASM_MICROBLAZE_SERIAL_H
+#define _ASM_MICROBLAZE_SERIAL_H
+
+# define BASE_BAUD (1843200 / 16)
+
+#endif /* _ASM_MICROBLAZE_SERIAL_H */