coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
smu.h
Go to the documentation of this file.
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/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef AMD_BLOCK_SMU_H
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#define AMD_BLOCK_SMU_H
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#include <types.h>
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#include <soc/smu.h>
/* SoC-dependent definitions for SMU access */
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/* Arguments indexed locations are contiguous; the number is SoC-dependent */
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#define SMN_SMU_MESG_ARG(x) (SMN_SMU_MESG_ARGS_BASE + ((x) * sizeof(uint32_t)))
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struct
smu_payload
{
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uint32_t
msg
[
SMU_NUM_ARGS
];
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};
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/*
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* Send a message and bi-directional payload to the SMU. The SMU's response, if any, is
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* returned via *arg. Returns CB_SUCCESS if success or CB_ERR on failure.
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*/
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enum
cb_err
send_smu_message
(
enum
smu_message_id
message_id,
struct
smu_payload
*
arg
);
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#endif
/* AMD_BLOCK_SMU_H */
cb_err
cb_err
coreboot error codes
Definition:
cb_err.h:15
SMU_NUM_ARGS
#define SMU_NUM_ARGS
Definition:
smu.h:11
smu_message_id
smu_message_id
Definition:
smu.h:13
send_smu_message
enum cb_err send_smu_message(enum smu_message_id message_id, struct smu_payload *arg)
Definition:
smu.c:40
arg
struct bootblock_arg arg
Definition:
decompressor.c:22
uint32_t
unsigned int uint32_t
Definition:
stdint.h:14
smu_payload
Definition:
smu.h:12
smu_payload::msg
uint32_t msg[SMU_NUM_ARGS]
Definition:
smu.h:13
src
soc
amd
common
block
include
amdblocks
smu.h
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