/* SPDX-License-Identifier: GPL-2.0-or-later */ | |
/* | |
* Utilities for SMM setup | |
*/ | |
#include <amdblocks/acpimmio.h> | |
#include <cpu/x86/smm.h> | |
#include "smi.h" | |
/** Set the EOS bit and enable SMI generation from southbridge */ | |
void global_smi_enable(void) | |
{ | |
uint32_t reg = smi_read32(SMI_REG_SMITRIG0); | |
reg &= ~SMITRG0_SMIENB; /* Enable SMI generation */ | |
reg |= SMITRG0_EOS; /* Set EOS bit */ | |
smi_write32(SMI_REG_SMITRIG0, reg); | |
} |