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bootloader/u-boot_2015_04/common/cmd_softswitch.c 866 Bytes
6b13f685e   김민수   BSP 최초 추가
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  /*
   * cmd_softswitch.c - set the softswitch for bf60x
   *
   * Copyright (c) 2012 Analog Devices Inc.
   *
   * Licensed under the GPL-2 or later.
   */
  
  #include <common.h>
  #include <command.h>
  #include <asm/blackfin.h>
  #include <asm/soft_switch.h>
  
  int do_softswitch(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  {
  	int switchaddr, value, pin, port;
  
  	if (argc != 5)
  		return CMD_RET_USAGE;
  
  	if (strcmp(argv[2], "GPA") == 0)
  		port = IO_PORT_A;
  	else if (strcmp(argv[2], "GPB") == 0)
  		port = IO_PORT_B;
  	else
  		return CMD_RET_USAGE;
  
  	switchaddr = simple_strtoul(argv[1], NULL, 16);
  	pin = simple_strtoul(argv[3], NULL, 16);
  	value = simple_strtoul(argv[4], NULL, 16);
  
  	config_switch_bit(switchaddr, port, (1 << pin), IO_PORT_OUTPUT, value);
  
  	return 0;
  }
  
  U_BOOT_CMD(
  	softswitch_output, 5, 1, do_softswitch,
  	"switchaddr GPA/GPB pin_offset value",
  	""
  );