smi.h

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
/*
 * Utilities for SMI handlers and SMM setup
 */
 
#ifndef _SOUTHBRIDGE_AMD_AGESA_HUDSON_SMI_H
#define _SOUTHBRIDGE_AMD_AGESA_HUDSON_SMI_H
 
#include <device/mmio.h>
 
/* ACPI_MMIO_BASE + 0x200 -- leave this string here so grep catches it.
 * This is defined by AGESA, but we dpn't include AGESA headers to avoid
 * polluting the namesace.
 */
#define SMI_BASE 0xfed80200
 
#define SMI_REG_SMITRIG0        0x98
#define SMITRG0_EOS             (1 << 28)
#define SMITRG0_SMIENB          (1 << 31)
 
#define SMI_REG_CONTROL0        0xa0
 
enum smi_mode {
        SMI_MODE_DISABLE = 0,
        SMI_MODE_SMI = 1,
        SMI_MODE_NMI = 2,
        SMI_MODE_IRQ13 = 3,
};
 
enum smi_lvl {
        SMI_LVL_LOW = 0,
        SMI_LVL_HIGH = 1,
};
 
void hudson_configure_gevent_smi(uint8_t gevent, uint8_t mode, uint8_t level);
void hudson_disable_gevent_smi(uint8_t gevent);
void hudson_enable_acpi_cmd_smi(void);
 
#endif /* _SOUTHBRIDGE_AMD_AGESA_HUDSON_SMI_H */