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authorKumar Gala <galak@kernel.crashing.org>2010-06-09 22:59:41 -0500
committerKumar Gala <galak@kernel.crashing.org>2010-07-16 10:55:10 -0500
commit79ee3448021714db03ce9d5e6688e2c80cce253d (patch)
tree93fa2dfa9df00ae920b699580c46888396711e8a /arch
parentc59e1b4d078d5301aaeeec13b3e292d5bed05daf (diff)
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powerpc/85xx: Add command to report errata workarounds
Add 'errata' command to report what errata we workaround. Report workaround for erratum SATA-A001 on P1022/P1013. Also sorted the CONFIG_CMD_* list. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/cpu/mpc85xx/Makefile1
-rw-r--r--arch/powerpc/cpu/mpc85xx/cmd_errata.c51
2 files changed, 52 insertions, 0 deletions
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",
+ ""
+);