blob: 948314d2ab94d158f1b94a1d3d4e8ae51d48f023 [file] [log] [blame]
/*
* Copyright 2020 The Hafnium Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdbool.h>
#include <stdint.h>
#define FW_CFG_ID 0x01
#define FW_CFG_KERNEL_SIZE 0x08
#define FW_CFG_INITRD_SIZE 0x0b
#define FW_CFG_KERNEL_DATA 0x11
#define FW_CFG_INITRD_DATA 0x12
uint32_t fw_cfg_read_uint32(uint16_t key);
void fw_cfg_read_bytes(uint16_t key, uintptr_t destination, uint32_t length);
bool fw_cfg_read_dma(uint16_t key, uintptr_t destination, uint32_t length);