| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| /* |
| * Utilities for SMI handlers and SMM setup |
| */ |
| |
| #ifndef _SOUTHBRIDGE_AMD_PI_HUDSON_SMI_H |
| #define _SOUTHBRIDGE_AMD_PI_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_PI_HUDSON_SMI_H */ |