Add 'errata' command to report what errata we workaround. Report workaround for erratum SATA-A001 on P1022/P1013.
Signed-off-by: Kumar Gala galak@kernel.crashing.org --- arch/powerpc/cpu/mpc85xx/Makefile | 1 + arch/powerpc/cpu/mpc85xx/cmd_errata.c | 51 +++++++++++++++++++++++++++++++++ include/configs/P1022DS.h | 1 + 3 files changed, 53 insertions(+), 0 deletions(-) create mode 100644 arch/powerpc/cpu/mpc85xx/cmd_errata.c
diff --git a/arch/powerpc/cpu/mpc85xx/Makefile b/arch/powerpc/cpu/mpc85xx/Makefile index a481326..4ee0e9a 100644 --- a/arch/powerpc/cpu/mpc85xx/Makefile +++ b/arch/powerpc/cpu/mpc85xx/Makefile @@ -32,6 +32,7 @@ START = start.o resetvec.o SOBJS-$(CONFIG_MP) += release.o SOBJS = $(SOBJS-y)
+COBJS-$(CONFIG_CMD_ERRATA) += cmd_errata.o COBJS-$(CONFIG_CPM2) += commproc.o
# supports ddr1 diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c new file mode 100644 index 0000000..d7835c8 --- /dev/null +++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c @@ -0,0 +1,51 @@ +/* + * Copyright 2010 Freescale Semiconductor, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <command.h> +#include <linux/compiler.h> +#include <asm/processor.h> + +static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + __maybe_unused u32 svr = get_svr(); + +#if defined(CONFIG_FSL_SATA_V2) && defined(CONFIG_FSL_SATA_ERRATUM_A001) + if (IS_SVR_REV(svr, 1, 0)) { + switch (SVR_SOC_VER(svr)) { + case SVR_P1013: + case SVR_P1013_E: + case SVR_P1022: + case SVR_P1022_E: + puts("Work-around for Erratum SATA A001 enabled\n"); + } + } +#endif + + return 0; +} + +U_BOOT_CMD( + errata, 1, 0, do_errata, + "Report errata workarounds", + "" +); diff --git a/include/configs/P1022DS.h b/include/configs/P1022DS.h index e444179..ce9a4d1 100644 --- a/include/configs/P1022DS.h +++ b/include/configs/P1022DS.h @@ -345,6 +345,7 @@ #define CONFIG_CMD_ELF #define CONFIG_CMD_IRQ #define CONFIG_CMD_SETEXPR +#define CONFIG_CMD_ERRATA
#ifdef CONFIG_PCI #define CONFIG_CMD_PCI