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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-12-30 16:24:17 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-12-30 16:24:17 +0000
commit613e09b46a86d454fb53f7e9eac5e240f1e3bacf (patch)
tree60e80514c17b299f7f2c262a650d165f2f949c71 /arch/arm
parent47992cbdaef2f18a47871b2ed01ad27f568c8b73 (diff)
[ARM] footbridge: set dc21285 clock rate from command line
Allow the footbridge clock rate to be specified on the kernel command line. This allows us to work-around broken Personal Server firmware. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-footbridge/common.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-footbridge/common.c b/arch/arm/mach-footbridge/common.c
index 36ff06d4df1..26e444a3cff 100644
--- a/arch/arm/mach-footbridge/common.c
+++ b/arch/arm/mach-footbridge/common.c
@@ -34,6 +34,13 @@ unsigned int mem_fclk_21285 = 50000000;
EXPORT_SYMBOL(mem_fclk_21285);
+static void __init early_fclk(char **arg)
+{
+ mem_fclk_21285 = simple_strtoul(*arg, arg, 0);
+}
+
+__early_param("mem_fclk_21285=", early_fclk);
+
static int __init parse_tag_memclk(const struct tag *tag)
{
mem_fclk_21285 = tag->u.memclk.fmemclk;