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-rw-r--r--Documentation/northbridge/intel/sandybridge/nri_registers.md42
1 files changed, 42 insertions, 0 deletions
diff --git a/Documentation/northbridge/intel/sandybridge/nri_registers.md b/Documentation/northbridge/intel/sandybridge/nri_registers.md
index aa16644b17..8f85629061 100644
--- a/Documentation/northbridge/intel/sandybridge/nri_registers.md
+++ b/Documentation/northbridge/intel/sandybridge/nri_registers.md
@@ -1522,13 +1522,20 @@ Please handle with care !
| 24:27| tWR |
+-----------+------------------------------------------------------------------+
| 29 | Command 3-state options |
+| | |
| | - 0: Drive when channel is active, tri-state when inactive, |
+| | |
| | - 1: Always drive command bus |
+| | |
+-----------+------------------------------------------------------------------+
| 30:31| CMD stretch, |
+| | |
| | - 00b: 1N, |
+| | |
| | - 10b: 2N, |
+| | |
| | - 11b: 3N |
+| | |
+-----------+------------------------------------------------------------------+
```
@@ -1896,14 +1903,23 @@ Please handle with care !
| | plus burst length. |
+-----------+------------------------------------------------------------------+
| 8:10| PDWN_mode, selects the mode of power-down: |
+| | |
| | - 0x0: No power down, |
+| | |
| | - 0x1: APD, |
+| | |
| | - 0x2: PPD, |
+| | |
| | - 0x3: APD+PPD, |
+| | |
| | - 0x4: Reserved, |
+| | |
| | - 0x5: Reserved, |
+| | |
| | - 0x6: PPD-DLLoff, |
+| | |
| | - 0x7: APD+PPD+DLLof |
+| | |
+-----------+------------------------------------------------------------------+
```
@@ -1973,19 +1989,31 @@ Please handle with care !
| Bit | Description |
+===========+==================================================================+
| 0:1| CH_A, defines the largest channel. |
+| | |
| | - 00b: Channel 0, |
+| | |
| | - 01b: Channel 1, |
+| | |
| | - 10b: Channel 2 |
+| | |
+-----------+------------------------------------------------------------------+
| 2:3| CH_B, defines the mid-size channel. |
+| | |
| | - 00b: Channel 0, |
+| | |
| | - 01b: Channel 1, |
+| | |
| | - 10b: Channel 2 |
+| | |
+-----------+------------------------------------------------------------------+
| 2:3| CH_C, defines the smallest channel. |
+| | |
| | - 00b: Channel 0, |
+| | |
| | - 01b: Channel 1, |
+| | |
| | - 10b: Channel 2, CH_C is 10 if only 2 channels are supported |
+| | |
+-----------+------------------------------------------------------------------+
```
@@ -2002,8 +2030,11 @@ Please handle with care !
| 0:7| DIMMA size in 256 MB multiples |
+-----------+------------------------------------------------------------------+
| 16 | DIMM A select (DAS) Slot to DIMM mapping, |
+| | |
| | - 0: DIMMA, DIMMB, |
+| | |
| | - 1: DIMMB, DIMMA |
+| | |
+-----------+------------------------------------------------------------------+
| 17 | DIMM A number of ranks |
+-----------+------------------------------------------------------------------+
@@ -2025,9 +2056,13 @@ Please handle with care !
| | 20-27 to use for high rank interleave |
+-----------+------------------------------------------------------------------+
| 24:25| ECC, |
+| | |
| | - 00b: No ECC active, |
+| | |
| | - 01b: ECC is active on IO, |
+| | |
| | - 11b: ECC is active on both IO and ECC logic |
+| | |
+-----------+------------------------------------------------------------------+
```
@@ -2121,7 +2156,9 @@ Please handle with care !
| Bit | Description |
+===========+==================================================================+
| 0:31| Inject error when ECC_inj_Addr_Compare[31:0] = |
+| | |
| | ADDR[37:6] && ECC_Inj_Addr_Mask[31:0] |
+| | |
+-----------+------------------------------------------------------------------+
```
@@ -2138,7 +2175,9 @@ Please handle with care !
| 0:7| Selected multiplier: 100Mhz [7,12], 133Mhz [3,19] |
+-----------+------------------------------------------------------------------+
| 8 | - 1: 100Mhz reference clock (Ivy Bridge only) |
+| | |
| | - 0: 133Mhz reference clock |
+| | |
+-----------+------------------------------------------------------------------+
| 31 | PLL busy |
+-----------+------------------------------------------------------------------+
@@ -2155,8 +2194,11 @@ Please handle with care !
| Bit | Description |
+===========+==================================================================+
| 0:7| Active multiplier: |
+| | |
| | - 100Mhz [7,12], |
+| | |
| | - 133Mhz [3,19] |
+| | |
+-----------+------------------------------------------------------------------+
```