2 * This file is part of the LinuxBIOS project.
4 * Copyright (C) 2004 Tyan Computer
5 * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer.
6 * Copyright (C) 2006,2007 AMD
7 * Written by Yinghai Lu <yinghai.lu@amd.com> for AMD.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
24 #if HT_CHAIN_END_UNITID_BASE != 0x20
25 #define MCP55_DEVN_BASE HT_CHAIN_END_UNITID_BASE
27 #define MCP55_DEVN_BASE HT_CHAIN_UNITID_BASE
30 #define EHCI_BAR_INDEX 0x10
31 #define EHCI_BAR 0xFEF00000
32 #define EHCI_DEBUG_OFFSET 0x98
34 static void set_debug_port(unsigned port)
37 dword = pci_read_config32(PCI_DEV(0, MCP55_DEVN_BASE+2, 1), 0x74);
40 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+2, 1), 0x74, dword);
44 static void mcp55_enable_usbdebug_direct(unsigned port)
47 pci_write_config32(PCI_DEV(0, MCP55_DEVN_BASE+2, 1), EHCI_BAR_INDEX, EHCI_BAR);
48 pci_write_config8(PCI_DEV(0, MCP55_DEVN_BASE+2, 1), 0x04, 0x2); // mem space enabe