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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",
    	""
    );