arch/powerpc/cpu/mpc85xx/cmd_errata.c

   1 /*
   2  * Copyright 2010 Freescale Semiconductor, Inc.
   3  *
   4  * See file CREDITS for list of people who contributed to this
   5  * project.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20  * MA 02111-1307 USA
  21  */
  22
  23 #include <common.h>
  24 #include <command.h>
  25 #include <linux/compiler.h>
  26 #include <asm/processor.h>
  27
  28 static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  29 {
  30         __maybe_unused u32 svr = get_svr();
  31
  32 #if defined(CONFIG_FSL_SATA_V2) && defined(CONFIG_FSL_SATA_ERRATUM_A001)
  33         if (IS_SVR_REV(svr, 1, 0)) {
  34                 switch (SVR_SOC_VER(svr)) {
  35                 case SVR_P1013:
  36                 case SVR_P1013_E:
  37                 case SVR_P1022:
  38                 case SVR_P1022_E:
  39                         puts("Work-around for Erratum SATA A001 enabled\n");
  40                 }
  41         }
  42 #endif
  43
  44         return 0;
  45 }
  46
  47 U_BOOT_CMD(
  48         errata, 1, 0,   do_errata,
  49         "Report errata workarounds",
  50         ""
  51 );