From 62a012f847ddf5b4fea207c8ff083bb99320393b Mon Sep 17 00:00:00 2001
From: Iru Cai <mytbk920423@gmail.com>
Date: Wed, 2 Jan 2019 18:44:59 +0800
Subject: set_ehci_oc_map

---
 src/northbridge/intel/haswell/mrc_frags.c | 32 +++++++++++++++++
 src/northbridge/intel/haswell/pei_usb.asm | 60 +++----------------------------
 2 files changed, 36 insertions(+), 56 deletions(-)

diff --git a/src/northbridge/intel/haswell/mrc_frags.c b/src/northbridge/intel/haswell/mrc_frags.c
index 7f07e7cacd..1b37673275 100644
--- a/src/northbridge/intel/haswell/mrc_frags.c
+++ b/src/northbridge/intel/haswell/mrc_frags.c
@@ -744,6 +744,38 @@ void frag_usb_loop3(void *ebx, u32 *esi, int count)
 	}
 }
 
+void set_ehci_oc_map(PEI_USB *upd);
+void set_ehci_oc_map(PEI_USB *upd)
+{
+	int sku = mrc_sku_type();
+	int nusb = nb_usb2_ports();
+	u32 ocmap1 = 0;
+	u32 ocmap2 = 0;
+
+	for (int i = 0; i < nusb; i++) {
+		u32 oc = upd->ehci_oc[i];
+		if (oc == 8)
+			continue;
+		if (i <= 7) {
+			if (oc > 3)
+				continue;
+			ocmap1 |= (1 << (oc * 8 + i));
+		} else {
+			if (sku != 1)
+				continue;
+			if (oc >= 4 && oc <= 7) {
+				ocmap2 |= (1 << ((oc - 4) * 8 + (i - 8)));
+			}
+		}
+	}
+	if (upd->xhci_resume_info[0] & 1) {
+		pci_write_config32(PCI_DEV(0, 0x1d, 0), 0x74, ocmap1);
+	}
+	if (sku == 1 && (upd->xhci_resume_info[1] & 1)) {
+		pci_write_config32(PCI_DEV(0, 0x1a, 0), 0x74, ocmap2);
+	}
+}
+
 /* from loc_fffaf684 to loc_fffaf75b */
 void set_usb_overcurrent(PEI_USB *upd);
 void set_usb_overcurrent(PEI_USB *upd)
diff --git a/src/northbridge/intel/haswell/pei_usb.asm b/src/northbridge/intel/haswell/pei_usb.asm
index 6d7297b77f..58c2c38837 100644
--- a/src/northbridge/intel/haswell/pei_usb.asm
+++ b/src/northbridge/intel/haswell/pei_usb.asm
@@ -21,6 +21,7 @@ extern frag_usb_loop3
 extern frag_usb_loop4
 extern frag_usb_fffaf4b1
 extern frag_usb_fffaf555
+extern set_ehci_oc_map
 
 mrc_init_usb:
 push ebp
@@ -435,62 +436,9 @@ and eax, 0xfffffffe
 mov dword [ebx + 0x80], eax
 
 loc_fffaf5ea:
-call mrc_sku_type
-mov dword [ebp - 0x34], eax
-xor esi, esi
-xor edx, edx
-xor ebx, ebx
-jmp short loc_fffaf635  ; jmp 0xfffaf635
-
-loc_fffaf5fa:
-mov eax, dword [ecx + ebx*4 + 0x6c]
-cmp eax, 8
-je short loc_fffaf634  ; je 0xfffaf634
-cmp ebx, 7
-ja short loc_fffaf61b  ; ja 0xfffaf61b
-cmp eax, 3
-ja short loc_fffaf634  ; ja 0xfffaf634
-lea ecx, [ebx + eax*8]
-mov eax, 1
-shl eax, cl
-or edx, eax
-jmp short loc_fffaf634  ; jmp 0xfffaf634
-
-loc_fffaf61b:
-cmp dword [ebp - 0x34], 1
-jne short loc_fffaf634  ; jne 0xfffaf634
-lea ecx, [eax - 4]
-cmp ecx, 3
-ja short loc_fffaf634  ; ja 0xfffaf634
-lea ecx, [ebx + eax*8 - 0x28]
-mov eax, dword [ebp - 0x34]
-shl eax, cl
-or esi, eax
-
-loc_fffaf634:
-inc ebx
-
-loc_fffaf635:
-mov dword [ebp - 0x70], edx
-call nb_usb2_ports
-movzx eax, al
-mov ecx, dword [ebp - 0x30]
-cmp ebx, eax
-mov edx, dword [ebp - 0x70]
-jb short loc_fffaf5fa  ; jb 0xfffaf5fa
-test byte [ecx + 0x55], 1
-je short loc_fffaf659  ; je 0xfffaf659
-mov eax, dword [ebp - 0x4c]
-mov dword [eax + 0xe8074], edx
-
-loc_fffaf659:
-cmp dword [ebp - 0x34], 1
-jne short loc_fffaf66e  ; jne 0xfffaf66e
-mov edx, dword [ebp - 0x30]
-test byte [edx + 0x56], 1
-je short loc_fffaf66e  ; je 0xfffaf66e
-mov ecx, dword [ebp - 0x50]
-mov dword [ecx + 0x74], esi
+push dword [ebp - 0x30]
+call set_ehci_oc_map
+add esp, 4
 
 loc_fffaf66e:
 call mrc_sku_type
-- 
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