diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/PreserveMailbox.h')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/PreserveMailbox.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/PreserveMailbox.h b/src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/PreserveMailbox.h new file mode 100644 index 0000000000..e229eeb2b6 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/PreserveMailbox.h @@ -0,0 +1,89 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD AGESA CPU Preserve Registers used for AP Mailbox. + * + * Save and Restore the normal feature content of the registers being used for + * the AP Mailbox. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU/Feature + * @e \$Revision: 34897 $ @e \$Date: 2010-07-14 10:07:10 +0800 (Wed, 14 Jul 2010) $ + * + */ +/* + ***************************************************************************** + * + * Copyright (c) 2011, Advanced Micro Devices, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Advanced Micro Devices, Inc. nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * *************************************************************************** + * + */ + +#ifndef _PRESERVE_MAILBOX_H_ +#define _PRESERVE_MAILBOX_H_ + +/*---------------------------------------------------------------------------------------- + * M I X E D (Definitions And Macros / Typedefs, Structures, Enums) + *---------------------------------------------------------------------------------------- + */ +#define MAX_PRESERVE_REGISTER_ENTRIES 2 ///< There is room on the heap for up to this per node. + +/// Reference to a save buffer. +typedef UINT32 (*MAILBOX_REGISTER_SAVE_ENTRY) [MAX_PRESERVE_REGISTER_ENTRIES]; + +/*---------------------------------------------------------------------------------------- + * D E F I N I T I O N S A N D M A C R O S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------- + * T Y P E D E F S A N D S T R U C T U R E S + *---------------------------------------------------------------------------------------- + */ + +/** + * Descriptor for family specific save-restore. + * + * Provide a list of the register offsets to save-restore on each node. Optionally, zero the + * register instead of restoring it. + */ +typedef struct { + UINT16 Revision; ///< Interface version + // Public Data. + BOOLEAN IsZeroOnCold; ///< On a cold boot, zero the register instead of restore. + PCI_ADDR *RegisterList; ///< The list of registers, terminated by ILLEGAL_SBDFO. +} PRESERVE_MAILBOX_FAMILY_SERVICES; + + +/*---------------------------------------------------------------------------------------- + * F U N C T I O N S P R O T O T Y P E + *---------------------------------------------------------------------------------------- + */ + +#endif // _PRESERVE_MAILBOX_H_ |