diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/Mem/Main/mmflow.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/Mem/Main/mmflow.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Mem/Main/mmflow.c b/src/vendorcode/amd/agesa/f14/Proc/Mem/Main/mmflow.c index 392b7fc87c..cf3942b08e 100644 --- a/src/vendorcode/amd/agesa/f14/Proc/Mem/Main/mmflow.c +++ b/src/vendorcode/amd/agesa/f14/Proc/Mem/Main/mmflow.c @@ -64,6 +64,7 @@ #include "mm.h" #include "mn.h" #include "mt.h" +#include "mtspd3.h" #include "mu.h" #include "heapManager.h" #include "Filecode.h" @@ -101,6 +102,16 @@ MemSPDDataProcess ( IN OUT MEM_DATA_STRUCT *MemPtr ); +#if (CONFIG(CPU_AMD_AGESA_OPENSOURCE_MEM_CUSTOM)) + +VOID +STATIC +AgesaCustomMemoryProfileSPD ( + IN OUT UINT8 *Buffer + ); + +#endif + /*---------------------------------------------------------------------------- * EXPORTED FUNCTIONS * @@ -293,6 +304,60 @@ AmdMemAuto ( return Retval; } +#if (CONFIG(CPU_AMD_AGESA_OPENSOURCE_MEM_CUSTOM)) + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function modifies a SPD buffer with the custom SPD values set up in coreboot's config. + * + * @param[in,out] *Buffer - Pointer to the UINT8 + * + */ + +VOID +STATIC +AgesaCustomMemoryProfileSPD ( + IN OUT UINT8 *Buffer + ) +{ + UINT16 Offset; + // + // Modify a SPD buffer. + // + Buffer[SPD_DIVIDENT] = CONFIG_CUSTOM_SPD_DIVIDENT; + Buffer[SPD_DIVISOR] = CONFIG_CUSTOM_SPD_DIVISOR; + Buffer[SPD_TCK] = CONFIG_CUSTOM_SPD_TCK; + Buffer[SPD_CASLO] = CONFIG_CUSTOM_SPD_CASLO; + Buffer[SPD_CASHI] = CONFIG_CUSTOM_SPD_CASHI; + Buffer[SPD_TAA] = CONFIG_CUSTOM_SPD_TAA; + Buffer[SPD_TWR] = CONFIG_CUSTOM_SPD_TWR; + Buffer[SPD_TRCD] = CONFIG_CUSTOM_SPD_TRCD; + Buffer[SPD_TRRD] = CONFIG_CUSTOM_SPD_TRRD; + Buffer[SPD_TRP] = CONFIG_CUSTOM_SPD_TRP; + // + // SPD_UPPER_TRC and SPD_UPPER_TRAS are the same index but different bits: + // SPD_UPPER_TRC - [7:4], SPD_UPPER_TRAS - [3:0]. + // + Buffer[SPD_UPPER_TRAS] = (CONFIG_CUSTOM_SPD_UPPER_TRC << 4) + CONFIG_CUSTOM_SPD_UPPER_TRAS; + Buffer[SPD_TRAS] = CONFIG_CUSTOM_SPD_TRAS; + Buffer[SPD_TRC] = CONFIG_CUSTOM_SPD_TRC; + Buffer[SPD_TWTR] = CONFIG_CUSTOM_SPD_TWTR; + Buffer[SPD_TRTP] = CONFIG_CUSTOM_SPD_TRTP; + Buffer[SPD_UPPER_TFAW] = CONFIG_CUSTOM_SPD_UPPER_TFAW; + Buffer[SPD_TFAW] = CONFIG_CUSTOM_SPD_TFAW; + // + // Print a SPD buffer. + // + printk(BIOS_SPEW, "***** SPD BUFFER *****\n"); + for (Offset = 0; Offset < 256; Offset++) { + printk(BIOS_SPEW, "Buffer[%d] = 0x%02X\n", Offset, Buffer[Offset]); + } + printk(BIOS_SPEW, "**********************\n"); +} + +#endif /* -----------------------------------------------------------------------------*/ /** @@ -369,6 +434,9 @@ MemSPDDataProcess ( if (AgesaStatus == AGESA_SUCCESS) { DimmSPDPtr->DimmPresent = TRUE; IDS_HDT_CONSOLE (MEM_FLOW, "SPD Socket %d Channel %d Dimm %d: %08x\n", Socket, Channel, Dimm, SpdParam.Buffer); + #if (CONFIG(CPU_AMD_AGESA_OPENSOURCE_MEM_CUSTOM)) + AgesaCustomMemoryProfileSPD(SpdParam.Buffer); + #endif } else { DimmSPDPtr->DimmPresent = FALSE; } |