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More explicite and straight way to set seed. 

The read-modify-write wasn't needed. This is easier to understand.

Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Acked-by: Marc Jones <marcj303@gmail.com>




git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6136 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Zheng Bao 2010-12-02 01:50:38 +00:00 committed by Zheng Bao
parent 9c9ae3ae8f
commit ea62e9b47d
2 changed files with 4 additions and 12 deletions
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8
src/northbridge/amd/amdmct/mct/mctsrc.c
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@ -1023,13 +1023,9 @@ static void fenceDynTraining_D(struct MCTStatStruc *pMCTstat,
dev = pDCTstat->dev_dct; dev = pDCTstat->dev_dct;
for (index = 0x50; index <= 0x52; index ++) { for (index = 0x50; index <= 0x52; index ++) {
val = Get_NB32_index_wait(dev, index_reg, index); val = (FenceTrnFinDlySeed & 0x1F);
val |= (FenceTrnFinDlySeed & 0x1F);
if (index != 0x52) { if (index != 0x52) {
val &= ~(0xFF << 8); val |= val << 8 | val << 16 | val << 24;
val |= (val & 0xFF) << 8;
val &= 0xFFFF;
val |= val << 16;
} }
Set_NB32_index_wait(dev, index_reg, index, val); Set_NB32_index_wait(dev, index_reg, index, val);
} }

8
src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c
View File

@ -972,13 +972,9 @@ static void fenceDynTraining_D(struct MCTStatStruc *pMCTstat,
*/ */
dev = pDCTstat->dev_dct; dev = pDCTstat->dev_dct;
for (index = 0x50; index <= 0x52; index ++) { for (index = 0x50; index <= 0x52; index ++) {
val = Get_NB32_index_wait(dev, index_reg, index) & ~0xFF; val = (FenceTrnFinDlySeed & 0x1F);
val |= (FenceTrnFinDlySeed & 0x1F);
if (index != 0x52) { if (index != 0x52) {
val &= ~(0xFF << 8); val |= val << 8 | val << 16 | val << 24;
val |= (val & 0xFF) << 8;
val &= 0xFFFF;
val |= val << 16;
} }
Set_NB32_index_wait(dev, index_reg, index, val); Set_NB32_index_wait(dev, index_reg, index, val);
} }