diff options
| author | Iru Cai <mytbk920423@gmail.com> | 2019-06-08 17:00:16 +0800 |
|---|---|---|
| committer | Iru Cai <mytbk920423@gmail.com> | 2019-11-17 15:10:47 +0800 |
| commit | f9655b29c5f32eb204eb2eb32f5b375585310b21 (patch) | |
| tree | e636f4785624368ffdf3a8da01dd17400cda2526 | |
| parent | 00ebafeac6b0b398baef85edf1cc656d9f1419b3 (diff) | |
| download | coreboot-f9655b29c5f32eb204eb2eb32f5b375585310b21.tar.xz | |
clearify XUSB2PR and USB3_PSSEN
| -rw-r--r-- | src/northbridge/intel/haswell/pei_usb.c | 14 | ||||
| -rw-r--r-- | src/northbridge/intel/haswell/pei_usb.h | 4 |
2 files changed, 11 insertions, 7 deletions
diff --git a/src/northbridge/intel/haswell/pei_usb.c b/src/northbridge/intel/haswell/pei_usb.c index 0a2e5fa77c..626a6c4971 100644 --- a/src/northbridge/intel/haswell/pei_usb.c +++ b/src/northbridge/intel/haswell/pei_usb.c @@ -377,25 +377,27 @@ static void set_usb_overcurrent(PEI_USB *upd) } } -static void frag_usb_fffaf4b1(PEI_USB *upd, int count) +static void xhci_config_usb2_route(PEI_USB *upd, int count) { u32 v = 0; for (int i = 0; i < count; i++) { - if (upd->xhci_resume_info[3 + i] == 1) { + if (upd->usb2_route_to_xhc[i] == 1) { v |= (1 << i); } } + /* 0xd0: XUSB2PR */ pci_update_config32(PCH_XHCI_DEV, 0xd0, 0xffff8000, v); } -static void frag_usb_fffaf555(PEI_USB *upd, int count) +static void xhci_config_superspeed(PEI_USB *upd, int count) { u32 v = 0; for (int i = 0; i < count; i++) { - if (upd->xhci_resume_info[0x11 + i] == 1) { + if (upd->usb3_superspeed_en[i] == 1) { v |= (1 << i); } } + /* 0xd8: USB3_PSSEN */ pci_update_config32(PCH_XHCI_DEV, 0xd8, 0xffffffc0, v); } @@ -728,10 +730,10 @@ int mrc_init_usb(const EFI_PEI_SERVICES **pps) if ((upd->xhci_resume_info[2] & 0x10) != 0) { frag_usb_loop3(xbar, ebar_offset, xhci_usb2_count); frag_usb_loop4(xbar, ebar_offset, xhci_usb2_count); - frag_usb_fffaf4b1(upd, xhci_usb2_count); + xhci_config_usb2_route(upd, xhci_usb2_count); frag_usb_loop2(xbar, ebar_offset, xhci_usb2_count, flag); frag_usb_loop1(xbar, xbar_offset, xhci_usb3_count); - frag_usb_fffaf555(upd, xhci_usb3_count); + xhci_config_superspeed(upd, xhci_usb3_count); frag_usb_loop4(xbar, xbar_offset, xhci_usb3_count); frag_usb_loop2(xbar, xbar_offset, xhci_usb3_count, 0); diff --git a/src/northbridge/intel/haswell/pei_usb.h b/src/northbridge/intel/haswell/pei_usb.h index f46831317a..8666f92459 100644 --- a/src/northbridge/intel/haswell/pei_usb.h +++ b/src/northbridge/intel/haswell/pei_usb.h @@ -12,7 +12,9 @@ struct _PEI_USB { uint8_t v0; // 0x0 PEI_EHCI ehci_settings[14]; // 0x1 - uint8_t xhci_resume_info[23]; // 0x55 + uint8_t xhci_resume_info[3]; // 0x55 + uint8_t usb2_route_to_xhc[14]; // 0x58 + uint8_t usb3_superspeed_en[6]; // 0x66 uint32_t ehci_oc[14]; // 0x6c uint32_t xhci_oc[6]; // 0xa4 uint8_t unk; |