diff options
Diffstat (limited to 'resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0079-northbridge-amd-amdmct-mct_ddr3-Set-SkewMemClk-when-.patch')
| -rw-r--r-- | resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0079-northbridge-amd-amdmct-mct_ddr3-Set-SkewMemClk-when-.patch | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0079-northbridge-amd-amdmct-mct_ddr3-Set-SkewMemClk-when-.patch b/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0079-northbridge-amd-amdmct-mct_ddr3-Set-SkewMemClk-when-.patch deleted file mode 100644 index d06c447..0000000 --- a/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0079-northbridge-amd-amdmct-mct_ddr3-Set-SkewMemClk-when-.patch +++ /dev/null @@ -1,114 +0,0 @@ -From 77935659fbe9426e7a65ecc5506beb4491171e7f Mon Sep 17 00:00:00 2001 -From: Timothy Pearson <tpearson@raptorengineeringinc.com> -Date: Fri, 26 Jun 2015 17:49:25 -0500 -Subject: [PATCH 079/143] northbridge/amd/amdmct/mct_ddr3: Set SkewMemClk when - both DCTs are in use - -Change-Id: Ibcce54fc53b79beba2f790994bcf87cc0354213a -Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> ---- - src/northbridge/amd/amdmct/mct_ddr3/mct_d.c | 41 +++++++++++++++++++++------ - src/northbridge/amd/amdmct/mct_ddr3/mct_d.h | 2 +- - 2 files changed, 34 insertions(+), 9 deletions(-) - -diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c -index bb5593d..f3d5cb8 100644 ---- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c -+++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c -@@ -2645,7 +2645,7 @@ static void DCTPreInit_D(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDC - - /* Reset DCT registers */ - ClearDCT_D(pMCTstat, pDCTstat, dct); -- pDCTstat->stopDCT = 1; /*preload flag with 'disable' */ -+ pDCTstat->stopDCT[dct] = 1; /* preload flag with 'disable' */ - - if (!is_fam15h()) { - /* Enable DDR3 support */ -@@ -2656,7 +2656,7 @@ static void DCTPreInit_D(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDC - - /* Read the SPD information into the data structures */ - if (mct_DIMMPresence(pMCTstat, pDCTstat, dct) < SC_StopError) { -- printk(BIOS_DEBUG, "\t\tDCTInit_D: mct_DIMMPresence Done\n"); -+ printk(BIOS_DEBUG, "\t\tDCTPreInit_D: mct_DIMMPresence Done\n"); - } - } - -@@ -2682,17 +2682,40 @@ static void DCTInit_D(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTst - printk(BIOS_DEBUG, "\t\tDCTInit_D: AutoConfig_D Done\n"); - if (PlatformSpec_D(pMCTstat, pDCTstat, dct) < SC_StopError) { - printk(BIOS_DEBUG, "\t\tDCTInit_D: PlatformSpec_D Done\n"); -- pDCTstat->stopDCT = 0; -- if (!(pMCTstat->GStatus & (1 << GSB_EnDIMMSpareNW))) { -- printk(BIOS_DEBUG, "\t\tDCTInit_D: StartupDCT_D\n"); -- StartupDCT_D(pMCTstat, pDCTstat, dct); /*yeaahhh! */ -- } -+ pDCTstat->stopDCT[dct] = 0; - } - } - } - } - -- if (pDCTstat->stopDCT) { -+ -+} -+ -+static void DCTFinalInit_D(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat, u8 dct) -+{ -+ uint32_t dword; -+ -+ /* Finalize DRAM init on a single node */ -+ if (is_fam15h()) { -+ /* Set memory clock skew if needed */ -+ if (dct == 0) { -+ if (!pDCTstat->stopDCT[0] && !pDCTstat->stopDCT[1]) { -+ dword = Get_NB32_index_wait_DCT(pDCTstat->dev_dct, dct, 0x98, 0x0d0fe00a); -+ dword |= (0x1 << 4); /* SkewMemClk = 1 */ -+ Set_NB32_index_wait_DCT(pDCTstat->dev_dct, dct, 0x98, 0x0d0fe00a, dword); -+ } -+ } -+ } -+ -+ if (!pDCTstat->stopDCT[dct]) { -+ if (!(pMCTstat->GStatus & (1 << GSB_EnDIMMSpareNW))) { -+ printk(BIOS_DEBUG, "\t\tDCTFinalInit_D: StartupDCT_D Start\n"); -+ StartupDCT_D(pMCTstat, pDCTstat, dct); -+ printk(BIOS_DEBUG, "\t\tDCTFinalInit_D: StartupDCT_D Done\n"); -+ } -+ } -+ -+ if (pDCTstat->stopDCT[dct]) { - dword = 1 << DisDramInterface; - Set_NB32_DCT(pDCTstat->dev_dct, dct, 0x94, dword); - -@@ -4350,6 +4373,7 @@ static void mct_initDCT(struct MCTStatStruc *pMCTstat, - - /* Config. DCT0 for Ganged or unganged mode */ - DCTInit_D(pMCTstat, pDCTstat, 0); -+ DCTFinalInit_D(pMCTstat, pDCTstat, 0); - if (pDCTstat->ErrCode == SC_FatalErr) { - /* Do nothing goto exitDCTInit; any fatal errors? */ - } else { -@@ -4359,6 +4383,7 @@ static void mct_initDCT(struct MCTStatStruc *pMCTstat, - err_code = pDCTstat->ErrCode; /* save DCT0 errors */ - pDCTstat->ErrCode = 0; - DCTInit_D(pMCTstat, pDCTstat, 1); -+ DCTFinalInit_D(pMCTstat, pDCTstat, 1); - if (pDCTstat->ErrCode == 2) /* DCT1 is not Running */ - pDCTstat->ErrCode = err_code; /* Using DCT0 Error code to update pDCTstat.ErrCode */ - } else { -diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.h b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.h -index 8c9da47..7bc392b 100644 ---- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.h -+++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.h -@@ -338,7 +338,7 @@ struct DCTStatStruc { /* A per Node structure*/ - u8 Node_ID; /* Node ID of current controller */ - uint8_t Internal_Node_ID; /* Internal Node ID of the current controller */ - uint8_t Dual_Node_Package; /* 1=Dual node package (G34) */ -- uint8_t stopDCT; /* Set if the DCT will be stopped */ -+ uint8_t stopDCT[2]; /* Set if the DCT will be stopped */ - u8 ErrCode; /* Current error condition of Node - 0= no error - 1= Variance Error, DCT is running but not in an optimal configuration. --- -1.7.9.5 - |