Add kernel options to control bus timeout error.
Signed-off-by: Atsushi Nemoto <anemo@xxxxxxxxxxxxx>
---
arch/mips/txx9/generic/setup.c | 11 +++++++++++
arch/mips/txx9/generic/setup_tx3927.c | 5 -----
2 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 48aba94..7021215 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -67,7 +67,12 @@ unsigned int txx9_master_clock;
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 */
@@ -314,6 +319,12 @@ static void __init preprocess_cmdline(void)
} 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, " ");
diff --git a/arch/mips/txx9/generic/setup_tx3927.c b/arch/mips/txx9/generic/setup_tx3927.c
index 4bc2f85..06c4925 100644
--- a/arch/mips/txx9/generic/setup_tx3927.c
+++ b/arch/mips/txx9/generic/setup_tx3927.c
@@ -32,11 +32,6 @@ void __init tx3927_setup(void)
int i;
unsigned int conf;
- /* don't enable - see errata */
- txx9_ccfg_toeon = 0;
- if (strstr(prom_getcmdline(), "toeon") != NULL)
- txx9_ccfg_toeon = 1;
-
txx9_reg_res_init(TX3927_REV_PCODE(), TX3927_REG_BASE,
TX3927_REG_SIZE);
--
1.5.6.3
