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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Alexandru Gagniuc <mr.nuke.me@gmail.com>
*
* 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, either version 2 of the License, or
* (at your option) any later version.
*
* 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 SOUTHBRIDGE_VIA_K8T890_K8X8XX_H
#define SOUTHBRIDGE_VIA_K8T890_K8X8XX_H
#include <cpu/x86/msr.h>
#include <cpu/amd/mtrr.h>
#ifndef __PRE_RAM__
#include <device/device.h>
#endif
#include "k8t890.h"
struct k8x8xx_vt8237_mirrored_regs {
u16 low_top_address;
u8 rom_shadow_ctrl_pg_c,
rom_shadow_ctrl_pg_d,
rom_shadow_ctrl_pg_e_memhole_smi_decoding,
rom_shadow_ctrl_pg_f_memhole,
smm_apic_decoding,
shadow_mem_ctrl;
};
static inline void k8x8xx_vt8237_mirrored_regs_fill(struct k8x8xx_vt8237_mirrored_regs *regs){
msr_t msr;
regs->rom_shadow_ctrl_pg_c = 0xff;
regs->rom_shadow_ctrl_pg_d = 0xff;
regs->rom_shadow_ctrl_pg_e_memhole_smi_decoding = 0xff;
regs->rom_shadow_ctrl_pg_f_memhole = 0x30;
regs->smm_apic_decoding = 0x19;
msr = rdmsr(TOP_MEM);
regs->shadow_mem_ctrl = msr.lo >> 24;
regs->low_top_address = msr.lo >> 16;
}
#ifndef __PRE_RAM__
void k8x8xx_vt8237r_cfg(struct device *, struct device *);
#endif
#endif /* SOUTHBRIDGE_VIA_K8T890_K8X8XX_H */
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