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/*
* This file is part of the coreboot project.
*
* 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.
*/
#ifndef __AMDBLOCKS_BIOSRAM_H__
#define __AMDBLOCKS_BIOSRAM_H__
#include <stdint.h>
/* BiosRam Ranges at 0xfed80500 or I/O 0xcd4/0xcd5 */
#define BIOSRAM_AP_ENTRY 0xe8 /* 8 bytes */
#define BIOSRAM_CBMEM_TOP 0xf0 /* 4 bytes */
#define BIOSRAM_UMA_SIZE 0xf4 /* 4 bytes */
#define BIOSRAM_UMA_BASE 0xf8 /* 8 bytes */
/* Returns the bootblock C entry point for APs */
void *get_ap_entry_ptr(void);
/* Used by BSP to store the bootblock entry point for APs */
void set_ap_entry_ptr(void *entry);
/* Saves the UMA size returned by AGESA */
void save_uma_size(uint32_t size);
/* Saves the UMA base address returned by AGESA */
void save_uma_base(uint64_t base);
/* Returns the saved UMA size */
uint32_t get_uma_size(void);
/* Returns the saved UMA base */
uint64_t get_uma_base(void);
#endif
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