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| author | Zheng Bao <zheng.bao@amd.com> | 2010-12-02 01:50:38 +0000 |
|---|---|---|
| committer | Zheng Bao <Zheng.Bao@amd.com> | 2010-12-02 01:50:38 +0000 |
| commit | ea62e9b47db50cf3cd1551525693eddb2617bd7a (patch) | |
| tree | ce712f506b984f9710e651ef4d0b45cc57fec27a /src/northbridge/amd | |
| parent | 9c9ae3ae8fe7ae00e6826976fb4849f8e3857db3 (diff) | |
| download | coreboot-ea62e9b47db50cf3cd1551525693eddb2617bd7a.tar.xz | |
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
Diffstat (limited to 'src/northbridge/amd')
| -rw-r--r-- | src/northbridge/amd/amdmct/mct/mctsrc.c | 8 | ||||
| -rw-r--r-- | src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c | 8 |
2 files changed, 4 insertions, 12 deletions
diff --git a/src/northbridge/amd/amdmct/mct/mctsrc.c b/src/northbridge/amd/amdmct/mct/mctsrc.c index 258be0468d..6a0ae306b3 100644 --- a/src/northbridge/amd/amdmct/mct/mctsrc.c +++ b/src/northbridge/amd/amdmct/mct/mctsrc.c @@ -1023,13 +1023,9 @@ static void fenceDynTraining_D(struct MCTStatStruc *pMCTstat, dev = pDCTstat->dev_dct; for (index = 0x50; index <= 0x52; index ++) { - val = Get_NB32_index_wait(dev, index_reg, index); - val |= (FenceTrnFinDlySeed & 0x1F); + val = (FenceTrnFinDlySeed & 0x1F); if (index != 0x52) { - val &= ~(0xFF << 8); - val |= (val & 0xFF) << 8; - val &= 0xFFFF; - val |= val << 16; + val |= val << 8 | val << 16 | val << 24; } Set_NB32_index_wait(dev, index_reg, index, val); } diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c b/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c index b11da61156..76ddb88d53 100644 --- a/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c +++ b/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c @@ -972,13 +972,9 @@ static void fenceDynTraining_D(struct MCTStatStruc *pMCTstat, */ dev = pDCTstat->dev_dct; 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) { - val &= ~(0xFF << 8); - val |= (val & 0xFF) << 8; - val &= 0xFFFF; - val |= val << 16; + val |= val << 8 | val << 16 | val << 24; } Set_NB32_index_wait(dev, index_reg, index, val); } |