[coreboot] [commit] r5758 - trunk/src/northbridge/amd/amdmct/mct_ddr3

[repository service]

Author: zbao
Date: Tue Aug 31 08:10:54 2010
New Revision: 5758
URL: https://tracker.coreboot.org/trac/coreboot/changeset/5758

Log:
Get Byte65/66 for register manufacture ID code. RegMan1Present will
be used in write levelization training.

Signed-off-by: Zheng Bao <zheng.bao at amd.com>
Acked-by: Stefan Reinauer <stepan at coresystems.de>

Modified:
   trunk/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c

Modified: trunk/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
==============================================================================
--- trunk/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c	Mon Aug 30 23:52:38 2010	(r5757)
+++ trunk/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c	Tue Aug 31 08:10:54 2010	(r5758)
@@ -2124,7 +2124,15 @@
 						pDCTstat->MirrPresU_NumRegR |= 1 << i;
 				}
 				/* Get byte62: Reference Raw Card information. We dont need it now. */
-				/* byte = mctRead_SPD(smbaddr, 62); */
+				/* byte = mctRead_SPD(smbaddr, SPD_RefRawCard); */
+				/* Get Byte65/66 for register manufacture ID code */
+				if ((0x97 == mctRead_SPD(smbaddr, SPD_RegManufactureID_H)) &&
+				    (0x80 == mctRead_SPD(smbaddr, SPD_RegManufactureID_L))) {
+					if (0x16 == mctRead_SPD(smbaddr, SPD_RegManRevID))
+						pDCTstat->RegMan2Present |= 1 << i;
+					else
+						pDCTstat->RegMan1Present |= 1 << i;
+				}
 				/* Get Control word values for RC3. We dont need it. */
 				byte = mctRead_SPD(smbaddr, 70);
 				pDCTstat->CtrlWrd3 |= (byte >> 4) << (i << 2); /* C3 = SPD byte 70 [7:4] */