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Diffstat (limited to 'src/southbridge/amd/sb700/sb700.h')
| -rw-r--r-- | src/southbridge/amd/sb700/sb700.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/southbridge/amd/sb700/sb700.h b/src/southbridge/amd/sb700/sb700.h new file mode 100644 index 0000000000..81a358bcb1 --- /dev/null +++ b/src/southbridge/amd/sb700/sb700.h @@ -0,0 +1,52 @@ +/* + * 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 + */ + +#ifndef SB700_H +#define SB700_H + +#include <device/pci_ids.h> +#include "chip.h" + +/* Power management index/data registers */ +#define PM_INDEX 0xcd6 +#define PM_DATA 0xcd7 +#define PM2_INDEX 0xcd0 +#define PM2_DATA 0xcd1 + +extern void pm_iowrite(u8 reg, u8 value); +extern u8 pm_ioread(u8 reg); +extern void pm2_iowrite(u8 reg, u8 value); +extern u8 pm2_ioread(u8 reg); +extern void set_sm_enable_bits(device_t sm_dev, u32 reg_pos, u32 mask, u32 val); + +#define REV_SB700_A11 0x11 +#define REV_SB700_A12 0x12 +#define REV_SB700_A14 0x14 +#define REV_SB700_A15 0x15 + +/* This shouldn't be called before set_sb700_revision() is called. + * Once set_sb700_revision() is called, we use get_sb700_revision(), + * the simpler one, to get the sb700 revision ID. + * The id is 0x39 if A11, 0x3A if A12, 0x3C if A14, 0x3D if A15. + * The differentiate is 0x28, isn't it? */ +#define get_sb700_revision(sm_dev) (pci_read_config8((sm_dev), 0x08) - 0x28) + +void sb700_enable(device_t dev); + +#endif /* SB700_H */ |