diff options
Diffstat (limited to 'src/soc/amd')
-rw-r--r-- | src/soc/amd/common/block/include/amdblocks/smn.h | 1 | ||||
-rw-r--r-- | src/soc/amd/common/block/smn/smn.c | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/smn.h b/src/soc/amd/common/block/include/amdblocks/smn.h index 962c8acd82..0268926bbe 100644 --- a/src/soc/amd/common/block/include/amdblocks/smn.h +++ b/src/soc/amd/common/block/include/amdblocks/smn.h @@ -6,6 +6,7 @@ #include <types.h> uint32_t smn_read32(uint32_t reg); +uint64_t smn_read64(uint32_t reg); void smn_write32(uint32_t reg, uint32_t val); #endif /* AMD_BLOCK_SMN_H */ diff --git a/src/soc/amd/common/block/smn/smn.c b/src/soc/amd/common/block/smn/smn.c index 055f732cf7..caf6a41004 100644 --- a/src/soc/amd/common/block/smn/smn.c +++ b/src/soc/amd/common/block/smn/smn.c @@ -15,6 +15,11 @@ uint32_t smn_read32(uint32_t reg) return pci_read_config32(SOC_GNB_DEV, SMN_DATA_ADDR); } +uint64_t smn_read64(uint32_t reg) +{ + return smn_read32(reg) | (uint64_t)smn_read32(reg + 4) << 32; +} + void smn_write32(uint32_t reg, uint32_t val) { pci_write_config32(SOC_GNB_DEV, SMN_INDEX_ADDR, reg); |