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// SPDX-License-Identifier: GPL-2.0
/*
* (C) Copyright 2018 Xilinx, Inc.
* Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
*
* Copyright (C) 2023 Weidmueller Interface GmbH & Co. KG <oss@weidmueller.com>
* Christian Taedcke <christian.taedcke@weidmueller.com>
*/
#include <mach/zynqmp_aes.h>
#include <linux/errno.h>
#include <asm/arch/sys_proto.h>
#include <cpu_func.h>
#include <memalign.h>
#include <zynqmp_firmware.h>
int zynqmp_aes_operation(struct zynqmp_aes *aes)
{
u32 ret_payload[PAYLOAD_ARG_CNT];
int ret;
if (zynqmp_firmware_version() <= PMUFW_V1_0)
return -ENOENT;
if (aes->srcaddr && aes->ivaddr && aes->dstaddr) {
flush_dcache_range(aes->srcaddr,
aes->srcaddr +
roundup(aes->len, ARCH_DMA_MINALIGN));
flush_dcache_range(aes->ivaddr,
aes->ivaddr +
roundup(IV_SIZE, ARCH_DMA_MINALIGN));
flush_dcache_range(aes->dstaddr,
aes->dstaddr +
roundup(aes->len, ARCH_DMA_MINALIGN));
}
if (aes->keysrc == 0) {
if (aes->keyaddr == 0)
return -EINVAL;
flush_dcache_range(aes->keyaddr,
aes->keyaddr +
roundup(KEY_PTR_LEN, ARCH_DMA_MINALIGN));
}
flush_dcache_range((ulong)aes, (ulong)(aes) +
roundup(sizeof(struct zynqmp_aes), ARCH_DMA_MINALIGN));
ret = xilinx_pm_request(PM_SECURE_AES, upper_32_bits((ulong)aes),
lower_32_bits((ulong)aes), 0, 0, ret_payload);
if (ret || ret_payload[1]) {
printf("Failed: AES op status:0x%x, errcode:0x%x\n",
ret, ret_payload[1]);
return -EIO;
}
return 0;
}
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