diff options
| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2015-08-27 23:37:38 -0500 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2015-12-01 16:31:02 +0100 |
| commit | 5edc6695f8fb129a89a80af592b8b3342377a871 (patch) | |
| tree | e8f0190406a76578a4f455e206c2f2d40b672538 /src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c | |
| parent | d45a3477b79df14ed13a64e580a26380ebfb2565 (diff) | |
nb/amd/mct_ddr3: Add Family 15h tristate enable codes
The Family 15h DRAM initialization did not set up the various
tristate enable codes in the MCT.
Add Family 15h tristate enable setup. This fixes multiple
DIMMs on a single channel.
Change-Id: I0278656e98461882d0a64519dfde54a6cf28ab0f
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/12060
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Diffstat (limited to 'src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c')
| -rw-r--r-- | src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c index 5deaca5cf6..f5bf9e3e6c 100644 --- a/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c +++ b/src/northbridge/amd/amdmct/mct_ddr3/mhwlc_d.c @@ -921,7 +921,7 @@ void prepareDimms(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat, * OUT * ---------------------------------------------------------------------------- */ -void programODT(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat, uint8_t dct, u8 dimm) +void programODT(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat, uint8_t dct, uint8_t dimm) { sMCTStruct *pMCTData = pDCTstat->C_MCTPtr; sDCTStruct *pDCTData = pDCTstat->C_DCTPtr[dct]; @@ -929,6 +929,10 @@ void programODT(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat, ui u8 WrLvOdt1=0; if (is_fam15h()) { + /* On Family15h processors, the value for the specific CS being targetted + * is taken from F2x238 / F2x23C as appropriate, then loaded into F2x9C_x0000_0008 + */ + /* Convert DIMM number to CS */ uint32_t dword; uint8_t cs; @@ -963,7 +967,7 @@ void programODT(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat, ui set_DCT_ADDR_Bits(pDCTData, dct, pDCTData->NodeId, FUN_DCT, DRAM_ADD_DCT_PHY_CONTROL_REG, 8, 11, (u32)WrLvOdt1); - printk(BIOS_SPEW, "Programmed DCT %d write levelling ODT pattern %08x\n", dct, WrLvOdt1); + printk(BIOS_SPEW, "Programmed DCT %d write levelling ODT pattern %08x from DIMM %d data\n", dct, WrLvOdt1, dimm); } |