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authorStefan Reinauer <stepan@coresystems.de>2009-01-20 22:39:31 +0000
committerStefan Reinauer <stepan@openbios.org>2009-01-20 22:39:31 +0000
commitebb763fecf31e4bde782edb8ee96f15e1e45a3f0 (patch)
treef9719e8fbcd453cf6bce54f3614849d6b35bed52 /src/northbridge/intel/i945
parent23b655f3b0fe4121e7d91fb309364fac14beea0b (diff)
put in a little comment (trivial)
Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3884 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/northbridge/intel/i945')
-rw-r--r--src/northbridge/intel/i945/udelay.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/northbridge/intel/i945/udelay.c b/src/northbridge/intel/i945/udelay.c
index 9740c0870f..3a96c79aae 100644
--- a/src/northbridge/intel/i945/udelay.c
+++ b/src/northbridge/intel/i945/udelay.c
@@ -30,8 +30,8 @@ static void udelay(u32 us)
tsc_t tsc, tsc1, tscd;
msr_t msr;
u32 fsb = 0, divisor;
- u32 d;
- u32 dn = 0x1000000 / 2;
+ u32 d; /* ticks per us */
+ u32 dn = 0x1000000 / 2; /* how many us before we need to use hi */
msr = rdmsr(0xcd);
switch (msr.lo & 0x07) {