diff options
| author | Seunghwan Kim <sh_.kim@samsung.com> | 2019-01-24 16:17:44 +0900 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-01-29 12:31:03 +0000 |
| commit | f7fd9b145e52d83fa2da16644e11538da17bd430 (patch) | |
| tree | e9f924ee593838d8c550547fa9af40ce82e553df /src | |
| parent | 1e504f7811273b5a6a94bb82b94031112069dd56 (diff) | |
| download | coreboot-f7fd9b145e52d83fa2da16644e11538da17bd430.tar.xz | |
soc/intel/apollolake: Add GLK usb2eye configuration override
Now we have usb2eye configuration register in FSPUPD, so we need
to add an interface to override usb2eye setting.
BRANCH=octopus
BUG=NONE
TEST=Verified usb2eye custom setting works
Change-Id: I5c500964658072eaaf59364242aa928df25d99d1
Signed-off-by: Seunghwan Kim <sh_.kim@samsung.com>
Reviewed-on: https://review.coreboot.org/c/31060
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/apollolake/chip.c | 16 | ||||
| -rw-r--r-- | src/soc/intel/apollolake/include/soc/usb.h | 1 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c index afbb45cd04..a3ce48383d 100644 --- a/src/soc/intel/apollolake/chip.c +++ b/src/soc/intel/apollolake/chip.c @@ -593,6 +593,22 @@ static void glk_fsp_silicon_init_params_cb( struct soc_intel_apollolake_config *cfg, FSP_S_CONFIG *silconfig) { #if IS_ENABLED(CONFIG_SOC_INTEL_GLK) + uint8_t port; + + for (port = 0; port < APOLLOLAKE_USB2_PORT_MAX; port++) { + if (!cfg->usb2eye[port].Usb20OverrideEn) + continue; + + silconfig->Usb2AfePehalfbit[port] = + cfg->usb2eye[port].Usb20PerPortTxPeHalf; + silconfig->Usb2AfePetxiset[port] = + cfg->usb2eye[port].Usb20PerPortPeTxiSet; + silconfig->Usb2AfeTxiset[port] = + cfg->usb2eye[port].Usb20PerPortTxiSet; + silconfig->Usb2AfePredeemp[port] = + cfg->usb2eye[port].Usb20IUsbTxEmphasisEn; + } + silconfig->Gmm = 0; /* On Geminilake, we need to override the default FSP PCIe de-emphasis diff --git a/src/soc/intel/apollolake/include/soc/usb.h b/src/soc/intel/apollolake/include/soc/usb.h index 7dd9ec089a..28cad37f58 100644 --- a/src/soc/intel/apollolake/include/soc/usb.h +++ b/src/soc/intel/apollolake/include/soc/usb.h @@ -30,6 +30,7 @@ struct usb2_eye_per_port { uint8_t Usb20IUsbTxEmphasisEn; uint8_t Usb20PerPortRXISet; uint8_t Usb20HsNpreDrvSel; + uint8_t Usb20OverrideEn; }; #endif /* _SOC_APOLLOLAKE_USB_H_ */ |