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/*
* Copyright (c) 2018, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef __FWU_NVM_H__
#define __FWU_NVM_H__
#include <nvm.h>
#include <platform_def.h>
#define FIP_IMAGE_UPDATE_DONE_FLAG (0xDEADBEEF)
/*
* This is the temporary ddr address for loading backup fip.bin
* image from NVM which is used for replacing original fip.bin
* This address is chosen such that the NS_BL2U can be expanded
* in future and also considering the large size of fip.bin.
*/
#define FIP_IMAGE_TMP_DDR_ADDRESS (DRAM_BASE + 0x100000)
#define FWU_TFTF_TESTCASE_BUFFER_OFFSET \
(TFTF_NVM_OFFSET + TFTF_STATE_OFFSET(testcase_buffer))
/*
* This offset is used to corrupt data in fip.bin
* The offset is from the base where fip.bin is
* located in NVM. This particular value is chosen
* to make sure the corruption is done beyond fip header.
*/
#define FIP_CORRUPT_OFFSET (0x400)
/*
* This is the base address for backup fip.bin image in NVM
* which is used for replacing original fip.bin
* This address is chosen such that it can stay with all
* the other images in the NVM.
*/
#define FIP_BKP_ADDRESS (FLASH_BASE + 0x1000000)
/* Writes the buffer to the flash at offset with length equal to
* size
* Returns: STATUS_FAIL, STATUS_SUCCESS, STATUS_OUT_OF_RESOURCES
*/
STATUS fwu_nvm_write(unsigned long long offset, const void *buffer, size_t size);
/* Reads the flash into buffer at offset with length equal to
* size
* Returns: STATUS_FAIL, STATUS_SUCCESS, STATUS_OUT_OF_RESOURCES
*/
STATUS fwu_nvm_read(unsigned long long offset, void *buffer, size_t size);
/*
* This function is used to replace the original fip.bin
* by the backup fip.bin passed through fip_addr argument.
*/
STATUS fwu_update_fip(unsigned long fip_addr);
#endif /* __FWU_NVM_H__ */
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