diff options
Diffstat (limited to 'src/northbridge/amd/amdmct/mct_ddr3/mport_d.c')
| -rw-r--r-- | src/northbridge/amd/amdmct/mct_ddr3/mport_d.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mport_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mport_d.c new file mode 100644 index 0000000000..a1132ff7bb --- /dev/null +++ b/src/northbridge/amd/amdmct/mct_ddr3/mport_d.c @@ -0,0 +1,39 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +static void AmdMemPCIRead(SBDFO loc, u32 *Value) +{ + /* Convert SBDFO into a CF8 Address */ + loc = (loc >> 4 & 0xFFFFFF00) | (loc & 0xFF) | ((loc & 0xF00) << 16) ; + loc |= 0x80000000; + + outl(loc, 0xCF8); + + *Value = inl(0xCFC); +} + +static void AmdMemPCIWrite(SBDFO loc, u32 *Value) +{ + /* Convert SBDFO into a CF8 Address */ + loc = (loc >> 4 & 0xFFFFFF00) | (loc & 0xFF) | ((loc & 0xF00) << 16) ; + loc |= 0x80000000; + + outl(loc, 0xCF8); + outl(*Value, 0xCFC); +} |