d098575b0e
Signed-off-by: Zheng Bao <zheng.bao@amd.com> Acked-by: Stefan Reinauer <stepan@coreboot.org> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6277 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2010 Advanced Micro Devices, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef SB800_SMBUS_H
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#define SB800_SMBUS_H
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//#include <stdint.h>
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#define SMBHSTSTAT 0x0
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#define SMBSLVSTAT 0x1
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#define SMBHSTCTRL 0x2
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#define SMBHSTCMD 0x3
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#define SMBHSTADDR 0x4
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#define SMBHSTDAT0 0x5
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#define SMBHSTDAT1 0x6
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#define SMBHSTBLKDAT 0x7
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#define SMBSLVCTRL 0x8
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#define SMBSLVCMD_SHADOW 0x9
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#define SMBSLVEVT 0xa
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#define SMBSLVDAT 0xc
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#define AX_INDXC 0
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#define AX_INDXP 2
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#define AXCFG 4
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#define ABCFG 6
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#define RC_INDXC 1
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#define RC_INDXP 3
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#define AB_INDX 0xCD8
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#define AB_DATA (AB_INDX+4)
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/* Between 1-10 seconds, We should never timeout normally
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* Longer than this is just painful when a timeout condition occurs.
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*/
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#define SMBUS_TIMEOUT (100*1000*10)
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#define abcfg_reg(reg, mask, val) \
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alink_ab_indx((ABCFG), (reg), (mask), (val))
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#define axcfg_reg(reg, mask, val) \
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alink_ab_indx((AXCFG), (reg), (mask), (val))
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#define axindxc_reg(reg, mask, val) \
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alink_ax_indx((AX_INDXC), (reg), (mask), (val))
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#define axindxp_reg(reg, mask, val) \
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alink_ax_indx((AX_INDXP), (reg), (mask), (val))
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#define rcindxc_reg(reg, port, mask, val) \
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alink_rc_indx((RC_INDXC), (reg), (port), (mask), (val))
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#define rcindxp_reg(reg, port, mask, val) \
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alink_rc_indx((RC_INDXP), (reg), (port), (mask), (val))
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int do_smbus_read_byte(u32 smbus_io_base, u32 device, u32 address);
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int do_smbus_write_byte(u32 smbus_io_base, u32 device, u32 address, u8 val);
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int do_smbus_recv_byte(u32 smbus_io_base, u32 device);
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int do_smbus_send_byte(u32 smbus_io_base, u32 device, u8 val);
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void alink_rc_indx(u32 reg_space, u32 reg_addr, u32 port, u32 mask, u32 val);
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void alink_ab_indx(u32 reg_space, u32 reg_addr, u32 mask, u32 val);
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void alink_ax_indx(u32 space /*c or p? */ , u32 axindc, u32 mask, u32 val);
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#endif
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