common/cmd_df.c

   1 /*
   2  * Command for accessing DataFlash.
   3  *
   4  * Copyright (C) 2008 Atmel Corporation
   5  */
   6 #include <common.h>
   7 #include <df.h>
   8
   9 static int do_df(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  10 {
  11         const char *cmd;
  12
  13         /* need at least two arguments */
  14         if (argc < 2)
  15                 goto usage;
  16
  17         cmd = argv[1];
  18
  19         if (strcmp(cmd, "init") == 0) {
  20                 df_init(0, 0, 1000000);
  21                 return 0;
  22         }
  23
  24         if (strcmp(cmd, "info") == 0) {
  25                 df_show_info();
  26                 return 0;
  27         }
  28
  29 usage:
  30         return CMD_RET_USAGE;
  31 }
  32
  33 U_BOOT_CMD(
  34         sf,     2,      1,      do_serial_flash,
  35         "Serial flash sub-system",
  36         "probe [bus:]cs         - init flash device on given SPI bus and CS")