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| author | Eric Biederman <ebiederm@xmission.com> | 2004-10-23 03:00:02 +0000 |
|---|---|---|
| committer | Eric Biederman <ebiederm@xmission.com> | 2004-10-23 03:00:02 +0000 |
| commit | 8e2847c28ef57cf1ee49653dabee6bd3ed1f2525 (patch) | |
| tree | fd936a31ab5705f975ac4fd116621477be33aa13 /src/northbridge | |
| parent | 60216355d21fae62daf00afa66443b03ed743e2a (diff) | |
| download | coreboot-8e2847c28ef57cf1ee49653dabee6bd3ed1f2525.tar.xz | |
- For now use port 0x80 based delays in for the e7501 memory initialization.
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1712 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/e7501/raminit.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/northbridge/intel/e7501/raminit.c b/src/northbridge/intel/e7501/raminit.c index 09743ba5fd..ef231666e3 100644 --- a/src/northbridge/intel/e7501/raminit.c +++ b/src/northbridge/intel/e7501/raminit.c @@ -492,8 +492,11 @@ static void write_8dwords(uint32_t src_addr, uint32_t dst_addr) { } } -//#define SLOW_DOWN_IO inb(0x80); +#if 1 +#define SLOW_DOWN_IO inb(0x80); +#else #define SLOW_DOWN_IO udelay(40); +#endif static void ram_set_rcomp_regs(const struct mem_controller *ctrl) { uint32_t dword; @@ -1978,10 +1981,17 @@ static void mem_err { /* Estimate that SLOW_DOWN_IO takes about 50&76us*/ /* delay for 200us */ +#if 1 +static void do_delay(void) +{ + int i; + for(i = 0; i < 16; i++) { SLOW_DOWN_IO } +} +#define DO_DELAY do_delay(); +#else #define DO_DELAY \ udelay(200); -// for(i=0; i<16;i++) { SLOW_DOWN_IO } - +#endif #define EXTRA_DELAY DO_DELAY |