| /* $NoKeywords:$ */ |
| /** |
| * @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: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ |
| * |
| */ |
| /* |
| ****************************************************************************** |
| * |
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| ****************************************************************************** |
| */ |
| |
| #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 |
| *---------------------------------------------------------------------------------------- |
| */ |
| |
| /** |
| * Family specific mailbox register descriptor. |
| * |
| * Describes a register and bits within the register used as the mailbox. |
| */ |
| typedef struct { |
| PCI_ADDR Register; ///< The PCI address of a mailbox register. |
| UINT32 Mask; ///< The mask of bits used in Register as the mailbox. |
| } PRESERVE_MAILBOX_FAMILY_REGISTER; |
| |
| /** |
| * 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. |
| PRESERVE_MAILBOX_FAMILY_REGISTER *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_ |
