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Merge "feat(plat/imx8m): do not release JR0 to NS if HAB is using it" into integration

This commit is contained in:
Manish Pandey 2022-05-09 10:40:00 +02:00 committed by TrustedFirmware Code Review
parent 13ce03aa8a 77850c96f2
commit 42f31f5f10
1 changed files with 10 additions and 2 deletions
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12
plat/imx/imx8m/imx8m_caam.c
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@ -1,13 +1,16 @@
/*
* Copyright (c) 2019, NXP. All rights reserved.
* Copyright (c) 2019-2022 NXP. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <common/debug.h>
#include <lib/mmio.h>
#include <imx8m_caam.h>
#define HAB_JR0_DID U(0x8011)
void imx8m_caam_init(void)
{
uint32_t sm_cmd;
@ -20,7 +23,12 @@ void imx8m_caam_init(void)
mmio_write_32(SM_CMD, sm_cmd);
/* config CAAM JRaMID set MID to Cortex A */
mmio_write_32(CAAM_JR0MID, CAAM_NS_MID);
if (mmio_read_32(CAAM_JR0MID) == HAB_JR0_DID) {
NOTICE("Do not release JR0 to NS as it can be used by HAB");
} else {
mmio_write_32(CAAM_JR0MID, CAAM_NS_MID);
}
mmio_write_32(CAAM_JR1MID, CAAM_NS_MID);
mmio_write_32(CAAM_JR2MID, CAAM_NS_MID);