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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2008-08-19 22:55:10 +0900
committerRalf Baechle <ralf@linux-mips.org>2008-10-11 16:18:42 +0100
commitc7b95bcb38ea492fd025008ef99501a2b90aa237 (patch)
treea7865927d4745285038903a9e0f5507ccd38846d /arch/mips/txx9
parentd10e025f0e4ba4b96d7b5786d232ac5b0b232b11 (diff)
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>
Diffstat (limited to 'arch/mips/txx9')
-rw-r--r--arch/mips/txx9/generic/setup.c11
-rw-r--r--arch/mips/txx9/generic/setup_tx3927.c5
2 files changed, 11 insertions, 5 deletions
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index fa88aefea9e..fa45f174b0e 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -68,7 +68,12 @@ 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 */
@@ -315,6 +320,12 @@ 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 4bc2f859379..06c49257607 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);