diff options
Diffstat (limited to 'src/northbridge/amd')
| -rw-r--r-- | src/northbridge/amd/amdfam10/raminit_amdmct.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdfam10/raminit_amdmct.c b/src/northbridge/amd/amdfam10/raminit_amdmct.c index 02dc956306..6a71cd5508 100644 --- a/src/northbridge/amd/amdfam10/raminit_amdmct.c +++ b/src/northbridge/amd/amdfam10/raminit_amdmct.c @@ -204,3 +204,43 @@ static void raminit_amdmct(struct sys_info *sysinfo) printk(BIOS_DEBUG, "raminit_amdmct end:\n"); } + +static void amdmct_cbmem_store_info(struct sys_info *sysinfo) +{ + /* Save memory info structures for use in ramstage */ + size_t i; + struct MCTStatStruc *pMCTstat = &(sysinfo->MCTstat); + struct DCTStatStruc *pDCTstatA = NULL; + + if (pMCTstat && sysinfo->DCTstatA) { + /* Allocate memory */ + struct amdmct_memory_info* mem_info; + mem_info = cbmem_add(CBMEM_ID_AMDMCT_MEMINFO, sizeof(struct amdmct_memory_info)); + if (!mem_info) + return; + + printk(BIOS_DEBUG, "%s: Storing AMDMCT configuration in CBMEM\n", __func__); + + /* Initialize memory */ + memset(mem_info, 0, sizeof(struct amdmct_memory_info)); + + /* Copy data */ + memcpy(&mem_info->mct_stat, &(sysinfo->MCTstat), sizeof(struct MCTStatStruc)); + for (i = 0; i < MAX_NODES_SUPPORTED; i++) { + pDCTstatA = sysinfo->DCTstatA + i; + memcpy(&mem_info->dct_stat[i], pDCTstatA, sizeof(struct DCTStatStruc)); + } + mem_info->ecc_enabled = mctGet_NVbits(NV_ECC_CAP); + mem_info->ecc_scrub_rate = mctGet_NVbits(NV_DramBKScrub); + + /* Zero out invalid/unused pointers */ +#if IS_ENABLED(CONFIG_DIMM_DDR3) + + for (i = 0; i < MAX_NODES_SUPPORTED; i++) { + mem_info->dct_stat[i].C_MCTPtr = NULL; + mem_info->dct_stat[i].C_DCTPtr[0] = NULL; + mem_info->dct_stat[i].C_DCTPtr[1] = NULL; + } +#endif + } +} |