diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0043-amd-amdmct-mct_ddr3-Improve-SPD-DIMM-detect-reliabil.patch')
| -rw-r--r-- | resources/libreboot/patch/kgpe-d16/0043-amd-amdmct-mct_ddr3-Improve-SPD-DIMM-detect-reliabil.patch | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0043-amd-amdmct-mct_ddr3-Improve-SPD-DIMM-detect-reliabil.patch b/resources/libreboot/patch/kgpe-d16/0043-amd-amdmct-mct_ddr3-Improve-SPD-DIMM-detect-reliabil.patch deleted file mode 100644 index 8445869f..00000000 --- a/resources/libreboot/patch/kgpe-d16/0043-amd-amdmct-mct_ddr3-Improve-SPD-DIMM-detect-reliabil.patch +++ /dev/null @@ -1,49 +0,0 @@ -From 3333f1b6ab84234f51aa901ec29cdc6d7f0998c5 Mon Sep 17 00:00:00 2001 -From: Timothy Pearson <tpearson@raptorengineeringinc.com> -Date: Thu, 4 Jun 2015 00:10:03 -0500 -Subject: [PATCH 043/143] amd/amdmct/mct_ddr3: Improve SPD DIMM detect - reliability - -Change-Id: Ifab63eca2233c63a6a42ab8b7e742f8e47fb2a09 -Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> ---- - src/northbridge/amd/amdmct/mct_ddr3/mct_d.c | 13 ++++++++++++- - 1 file changed, 12 insertions(+), 1 deletion(-) - -diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c -index 5344ff9..e60adb7 100644 ---- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c -+++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c -@@ -3657,6 +3657,7 @@ static u8 DIMMPresence_D(struct MCTStatStruc *pMCTstat, - u8 devwidth; - u16 DimmSlots; - u8 byte = 0, bytex; -+ uint8_t crc_status; - - /* preload data structure with addrs */ - mctGet_DIMMAddr(pDCTstat, pDCTstat->Node_ID); -@@ -3677,10 +3678,20 @@ static u8 DIMMPresence_D(struct MCTStatStruc *pMCTstat, - int status; - smbaddr = Get_DIMMAddress_D(pDCTstat, i); - status = mctRead_SPD(smbaddr, SPD_ByteUse); -+ if (status >= 0) { -+ /* Verify result */ -+ status = mctRead_SPD(smbaddr, SPD_ByteUse); -+ } - if (status >= 0) { /* SPD access is ok */ - pDCTstat->DIMMPresent |= 1 << i; - read_spd_bytes(pMCTstat, pDCTstat, i); -- if (crcCheck(pDCTstat, i)) { /* CRC is OK */ -+ crc_status = crcCheck(pDCTstat, i); -+ if (!crc_status) { -+ /* Try again in case there was a transient glitch */ -+ read_spd_bytes(pMCTstat, pDCTstat, i); -+ crc_status = crcCheck(pDCTstat, i); -+ } -+ if (crc_status) { /* CRC is OK */ - byte = pDCTstat->spd_data.spd_bytes[i][SPD_TYPE]; - if (byte == JED_DDR3SDRAM) { - /*Dimm is 'Present'*/ --- -1.7.9.5 - |