u-boot/arch/blackfin/include/asm/soft_switch.h

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/*
* U-boot - main board file
*
* Copyright (c) 2008-2012 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __SOFT_SWITCH_H__
#define __SOFT_SWITCH_H__
#define IO_PORT_A 0
#define IO_PORT_B 1
#define IO_PORT_INPUT 0
#define IO_PORT_OUTPUT 1
int config_switch_bit(int num, int port, int bit, int dir, uchar value);
#endif