common/cmd_softswitch.c

   1 /*
   2  * cmd_softswitch.c - set the softswitch for bf60x
   3  *
   4  * Copyright (c) 2012 Analog Devices Inc.
   5  *
   6  * Licensed under the GPL-2 or later.
   7  */
   8
   9 #include <common.h>
  10 #include <command.h>
  11 #include <asm/blackfin.h>
  12 #include <asm/soft_switch.h>
  13
  14 int do_softswitch(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  15 {
  16         int switchaddr, value, pin, port;
  17
  18         if (argc != 5)
  19                 return CMD_RET_USAGE;
  20
  21         if (strcmp(argv[2], "GPA") == 0)
  22                 port = IO_PORT_A;
  23         else if (strcmp(argv[2], "GPB") == 0)
  24                 port = IO_PORT_B;
  25         else
  26                 return CMD_RET_USAGE;
  27
  28         switchaddr = simple_strtoul(argv[1], NULL, 16);
  29         pin = simple_strtoul(argv[3], NULL, 16);
  30         value = simple_strtoul(argv[4], NULL, 16);
  31
  32         config_switch_bit(switchaddr, port, (1 << pin), IO_PORT_OUTPUT, value);
  33
  34         return 0;
  35 }
  36
  37 U_BOOT_CMD(
  38         softswitch_output, 5, 1, do_softswitch,
  39         "switchaddr GPA/GPB pin_offset value",
  40         ""
  41 );