diff options
Diffstat (limited to 'src/northbridge/amd')
| -rw-r--r-- | src/northbridge/amd/lx/raminit.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/src/northbridge/amd/lx/raminit.c b/src/northbridge/amd/lx/raminit.c index 0c8fd801ee..54618c314b 100644 --- a/src/northbridge/amd/lx/raminit.c +++ b/src/northbridge/amd/lx/raminit.c @@ -194,7 +194,7 @@ static void checkDDRMax(void) } /* Turn SPD ns time into MHZ. Check what the asm does to this math. */ - speed = 2 * ((10000 / (((spd_byte0 >> 4) * 10) + (spd_byte0 & 0x0F)))); + speed = 20000 / (((spd_byte0 >> 4) * 10) + (spd_byte0 & 0x0F)); /* current speed > max speed? */ if (GeodeLinkSpeed() > speed) { @@ -274,15 +274,14 @@ static void setCAS(void) spd_byte = spd_read_byte(DIMM0, SPD_SDRAM_CYCLE_TIME_2ND); if (spd_byte != 0) { /* Turn SPD ns time into MHZ. Check what the asm does to this math. */ - dimm_speed = 2 * (10000 / (((spd_byte >> 4) * 10) + - (spd_byte & 0x0F))); + dimm_speed = 20000 / (((spd_byte >> 4) * 10) + (spd_byte & 0x0F)); if (dimm_speed >= glspeed) { casmap_shift = 1; /* -.5 is a shift of 1 */ /* IF -1 timing is supported, check -1 timing > GeodeLink */ spd_byte = spd_read_byte(DIMM0, SPD_SDRAM_CYCLE_TIME_3RD); if (spd_byte != 0) { /* Turn SPD ns time into MHZ. Check what the asm does to this math. */ - dimm_speed = 2 * (10000 / (((spd_byte >> 4) * 10) + (spd_byte & 0x0F))); + dimm_speed = 20000 / (((spd_byte >> 4) * 10) + (spd_byte & 0x0F)); if (dimm_speed >= glspeed) { casmap_shift = 2; /* -1 is a shift of 2 */ } @@ -306,14 +305,14 @@ static void setCAS(void) spd_byte = spd_read_byte(DIMM1, SPD_SDRAM_CYCLE_TIME_2ND); if (spd_byte != 0) { /* Turn SPD ns time into MHZ. Check what the asm does to this math. */ - dimm_speed = 2 * (10000 / (((spd_byte >> 4) * 10) + (spd_byte & 0x0F))); + dimm_speed = 20000 / (((spd_byte >> 4) * 10) + (spd_byte & 0x0F)); if (dimm_speed >= glspeed) { casmap_shift = 1; /* -.5 is a shift of 1 */ /* IF -1 timing is supported, check -1 timing > GeodeLink */ spd_byte = spd_read_byte(DIMM1, SPD_SDRAM_CYCLE_TIME_3RD); if (spd_byte != 0) { /* Turn SPD ns time into MHZ. Check what the asm does to this math. */ - dimm_speed = 2 * (10000 / (((spd_byte >> 4) * 10) + (spd_byte & 0x0F))); + dimm_speed = 20000 / (((spd_byte >> 4) * 10) + (spd_byte & 0x0F)); if (dimm_speed >= glspeed) { casmap_shift = 2; /* -1 is a shift of 2 */ } |