MIPS: TXx9: Runtime configuration of timeout-error
Add kernel options to control bus timeout error.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index fa88aef..fa45f17 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -68,7 +68,12 @@
unsigned int txx9_cpu_clock;
unsigned int txx9_gbus_clock;
+#ifdef CONFIG_CPU_TX39XX
+/* don't enable by default - see errata */
+int txx9_ccfg_toeon __initdata;
+#else
int txx9_ccfg_toeon __initdata = 1;
+#endif
/* Minimum CLK support */
@@ -315,6 +320,12 @@
} else if (strcmp(str, "dcdisable") == 0) {
txx9_dc_disable = 1;
continue;
+ } else if (strcmp(str, "toeoff") == 0) {
+ txx9_ccfg_toeon = 0;
+ continue;
+ } else if (strcmp(str, "toeon") == 0) {
+ txx9_ccfg_toeon = 1;
+ continue;
}
if (arcs_cmdline[0])
strcat(arcs_cmdline, " ");