diff options
| author | Chris.Wang <chris.wang@amd.corp-partner.google.com> | 2022-12-28 17:07:48 +0800 |
|---|---|---|
| committer | Martin L Roth <gaumless@gmail.com> | 2023-01-04 07:15:10 +0000 |
| commit | ad12b4f4404f7c3473dcf85960efe3f8a016f22b (patch) | |
| tree | cc78ea24932c75081f09f975dc8b3c55eabcbb57 /src/vendorcode/amd/fsp | |
| parent | e66fcb87fed9b25be5e35eef05133ef7596edd46 (diff) | |
soc/amd/mendocino: Hook up UPD dxio_tx_vboost_enable for PCIe optimization
Add the UPD dxio_tx_vboost_enable for PCIe optimization.
It will impact the PCIe signal integrity, need to double-confirm
the SI result after enabling this setting.
BUG=b:259622787
BRANCH=none
TEST=confirm the setting has been set correspondingly with checking
the FSP log.
Signed-off-by: Chris.Wang <chris.wang@amd.corp-partner.google.com>
Change-Id: I05ae5b3091219e0cb1fe469c929fad6a725db678
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71562
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-by: Jason Glenesk <jason.glenesk@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/vendorcode/amd/fsp')
| -rw-r--r-- | src/vendorcode/amd/fsp/mendocino/FspmUpd.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vendorcode/amd/fsp/mendocino/FspmUpd.h b/src/vendorcode/amd/fsp/mendocino/FspmUpd.h index 7639ab1967..9f68101c4d 100644 --- a/src/vendorcode/amd/fsp/mendocino/FspmUpd.h +++ b/src/vendorcode/amd/fsp/mendocino/FspmUpd.h @@ -96,7 +96,8 @@ typedef struct __packed { /** Offset 0x04D7**/ uint8_t UnusedUpdSpace1; /* usb_phy_ptr is actually struct usb_phy_config *, but that won't work for 64bit coreboot */ /** Offset 0x04D8**/ uint32_t usb_phy_ptr; - /** Offset 0x04DC**/ uint8_t UnusedUpdSpace2[292]; + /** Offset 0x04DC**/ uint8_t dxio_tx_vboost_enable; + /** Offset 0x04DD**/ uint8_t UnusedUpdSpace2[291]; /** Offset 0x0600**/ uint16_t UpdTerminator; } FSP_M_CONFIG; |