int __fastcall sub_FFD8690C(int a1, int a2)
{
  int v2; // ebp
  int n15_1; // ebx
  unsigned __int8 i_4; // cl
  unsigned __int8 i_1; // al
  unsigned __int64 v6; // rdi
  int v7; // ebx
  int v8; // ebp
  _DWORD *v9; // eax
  _DWORD *v10; // esi
  unsigned int v11; // ecx
  int result; // eax
  int v13; // [esp-8h] [ebp-34h]
  char v14; // [esp+11h] [ebp-1Bh] BYREF
  unsigned __int8 i; // [esp+12h] [ebp-1Ah]
  unsigned __int8 i_3; // [esp+13h] [ebp-19h]
  unsigned int n1342177280; // [esp+14h] [ebp-18h] BYREF
  int v18; // [esp+18h] [ebp-14h]
  int v19; // [esp+1Ch] [ebp-10h]
  int n15; // [esp+20h] [ebp-Ch] BYREF
  unsigned int i_2; // [esp+24h] [ebp-8h] BYREF
  unsigned int v22; // [esp+28h] [ebp-4h] BYREF

  v2 = a2; /*0xffd86913*/
  v19 = a1; /*0xffd86915*/
  v18 = a2; /*0xffd86920*/
  DebugPrint(64, (int)"xHCI: Usb2AfeProgramming Start\n");
  sub_FFD8BE68(); /*0xffd86929*/
  sub_FFD8BB3A(v13); /*0xffd8692e*/
  sub_FFD8C909(&v22); /*0xffd86937*/
  n15_1 = sub_FFD8CBBA(0, 31, 2); /*0xffd8694b*/
  n15 = n15_1; /*0xffd86951*/
  sub_FFD8ADCC(202, 6, 16427, 0, 0, 0, &n1342177280, &v14, 6); /*0xffd86970*/
  n1342177280 |= 0x400000u; /*0xffd86975*/
  sub_FFD8ADCC(202, 7, 16427, 0, 1u, 0, &n1342177280, &v14, 7); /*0xffd86999*/
  sub_FFD8A1DE(n1342177280, v2, n15_1); /*0xffd869a9*/
  sub_FFD8ADCC(202, 6, 16385, 0, 0, 0, &n1342177280, &v14, 6); /*0xffd869cc*/
  n1342177280 |= 0x3000000u; /*0xffd869d8*/
  sub_FFD8ADCC(202, 7, 16385, 0, 1u, 0, &n1342177280, &v14, 7); /*0xffd869f5*/
  sub_FFD8A1DE(n1342177280, v2, n15_1); /*0xffd86a05*/
  sub_FFD8ADCC(202, 6, 28672, 0, 0, 0, &n1342177280, &v14, 6); /*0xffd86a2a*/
  n1342177280 = (unsigned __int16)n1342177280 | 0x50500000; /*0xffd86a41*/
  sub_FFD8ADCC(202, 7, 28672, 0, 1u, 0, &n1342177280, &v14, 7); /*0xffd86a59*/
  sub_FFD8A1DE(n1342177280, v2, n15_1); /*0xffd86a69*/
  n1342177280 = 1342177280; /*0xffd86a71*/
  sub_FFD8ADCC(202, 7, 28724, 0, 1u, 0, &n1342177280, &v14, 7); /*0xffd86a95*/
  sub_FFD8A1DE(n1342177280, v2, n15_1); /*0xffd86aa5*/
  n1342177280 = 175176950; /*0xffd86aad*/
  sub_FFD8ADCC(202, 7, 28728, 0, 1u, 0, &n1342177280, &v14, 7); /*0xffd86ad3*/
  sub_FFD8A1DE(n1342177280, v2, n15_1); /*0xffd86ae3*/
  n1342177280 = 532398080; /*0xffd86aeb*/
  sub_FFD8ADCC(202, 7, 28732, 0, 1u, 0, &n1342177280, &v14, 7); /*0xffd86b0f*/
  sub_FFD8A1DE(n1342177280, v2, n15_1); /*0xffd86b1f*/
  n1342177280 = 34432; /*0xffd86b27*/
  sub_FFD8ADCC(202, 7, 32516, 0, 1u, 0, &n1342177280, &v14, 7); /*0xffd86b4d*/
  sub_FFD8A1DE(n1342177280, v2, n15_1); /*0xffd86b5d*/
  n1342177280 = 67251212; /*0xffd86b65*/
  sub_FFD8ADCC(202, 7, 28712, 0, 1u, 0, &n1342177280, &v14, 7); /*0xffd86b8b*/
  sub_FFD8A1DE(n1342177280, v2, n15_1); /*0xffd86b9b*/
  n1342177280 = 184552192; /*0xffd86ba9*/
  sub_FFD8ADCC(202, 7, 32515, 0, 1u, 0, &n1342177280, &v14, 7); /*0xffd86bc9*/
  sub_FFD8A1DE(n1342177280, v2, n15_1); /*0xffd86bd9*/
  i_4 = sub_FFD8C035(); /*0xffd86be6*/
  i_1 = 1; /*0xffd86be8*/
  i_3 = i_4; /*0xffd86bea*/
  for ( i = 1; i_1 <= i_3; i = i_1 ) /*0xffd86bf4*/
  {
    i_2 = i_1; /*0xffd86c07*/
    v6 = (unsigned __int64)(i_1 | 0x40u) << 8; /*0xffd86c25*/
    sub_FFD8ADCC(202, 6, v6, SHIDWORD(v6), 0, 0, &n1342177280, &v14, 6); /*0xffd86c2c*/
    v7 = 2 * i; /*0xffd86c3d*/
    n1342177280 = n1342177280 & 0xFFFF80FF /*0xffd86c87*/
                | ((*(_BYTE *)(v19 + 16 * i - 3) & 7
                  | (8 * (*(_BYTE *)(v19 + 16 * i - 4) & 7 | (8 * (*(_BYTE *)(v19 + 16 * i - 1) & 1))))) << 8)
                | 0xFC000010;
    sub_FFD8ADCC(202, 7, v6, SHIDWORD(v6), 1u, 0, &n1342177280, &v14, 7); /*0xffd86c93*/
    sub_FFD8A1DE(n1342177280, v18, n15); /*0xffd86ca9*/
    v8 = (unsigned __int64)i_2 >> 24; /*0xffd86cb9*/
    LODWORD(v6) = i_2 << 8; /*0xffd86cbd*/
    HIDWORD(v6) = (i_2 << 8) | 0x4026; /*0xffd86cca*/
    n1342177280 = 0; /*0xffd86cd8*/
    sub_FFD8ADCC(202, 6, SHIDWORD(v6), v8, 0, 0, &n1342177280, &v14, 6); /*0xffd86ce2*/
    n1342177280 ^= (n1342177280 ^ (*(unsigned __int8 *)(v19 + 8 * v7 - 2) << 23)) & 0x1800000; /*0xffd86d0b*/
    sub_FFD8ADCC(202, 7, SHIDWORD(v6), v8, 1u, 0, &n1342177280, &v14, 7); /*0xffd86d22*/
    n15_1 = n15; /*0xffd86d27*/
    sub_FFD8A1DE(n1342177280, v18, n15); /*0xffd86d39*/
    LODWORD(v6) = v6 | 0x4008; /*0xffd86d47*/
    sub_FFD8ADCC(202, 6, v6, v8, 0, 0, &n1342177280, &v14, 6); /*0xffd86d61*/
    n1342177280 = n1342177280 & 0xFFFFC17F | 0x1A80; /*0xffd86d7c*/
    sub_FFD8ADCC(202, 7, v6, v8, 1u, 0, &n1342177280, &v14, 7); /*0xffd86d94*/
    v2 = v18; /*0xffd86d99*/
    sub_FFD8A1DE(n1342177280, v18, n15_1); /*0xffd86da8*/
    i_1 = i + 1; /*0xffd86db4*/
  }
  if ( sub_FFD8BE68() == 2 ) /*0xffd86dcc*/
  {
    i_3 = sub_FFD89FDC(&i_2); /*0xffd86ddd*/
    v9 = (_DWORD *)sub_FFD8A048(); /*0xffd86de1*/
    v10 = v9; /*0xffd86de6*/
    if ( v9 ) /*0xffd86dea*/
    {
      v11 = i_2 + *v9; /*0xffd86df2*/
      n15 = 15; /*0xffd86df8*/
      sub_FFD8D51B(v11, &n15, 4); /*0xffd86e00*/
      *v10 += 4; /*0xffd86e05*/
      if ( i_3 == 1 ) /*0xffd86e0e*/
        sub_FFD8A02F(n15_1); /*0xffd86e12*/
    }
  }
  sub_FFD8A2C4(v2, n15_1); /*0xffd86e1b*/
  result = *(_DWORD *)(v22 + 24) | 0x20000000; /*0xffd86e2a*/
  *(_DWORD *)(v22 + 24) = result; /*0xffd86e2f*/
  return result; /*0xffd86e24*/
}