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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>
This commit is contained in:
Atsushi Nemoto 2008-08-19 22:55:10 +09:00 committed by Ralf Baechle
parent d10e025f0e
commit c7b95bcb38
2 changed files with 11 additions and 5 deletions
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11
arch/mips/txx9/generic/setup.c
View File

@ -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, " ");

5
arch/mips/txx9/generic/setup_tx3927.c
View File

@ -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);