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ls1021atwr: caam: Enable Uboot validaion in SPL.

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caam driver model enabled in spl for secure boot.
fsl_rsa_mod_exp driver enabled in spl for validating uboot image.

Signed-off-by: Gaurav Jain <gaurav.jain@nxp.com>
This commit is contained in:
Gaurav Jain 2022-06-23 16:31:35 +05:30 committed by Peng Fan
parent 20d4c6052f
commit 47465877a5
6 changed files with 52 additions and 8 deletions
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1
MAINTAINERS
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@ -1499,5 +1499,6 @@ F: */
CAAM
M: Gaurav Jain <gaurav.jain@nxp.com>
S: Maintained
F: arch/arm/dts/ls1021a-twr-u-boot.dtsi
F: drivers/crypto/fsl/
F: include/fsl_sec.h

29
arch/arm/dts/ls1021a-twr-u-boot.dtsi Normal file
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@ -0,0 +1,29 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2022 NXP
*/
&{/soc} {
u-boot,dm-spl;
u-boot,dm-pre-reloc;
};
&crypto {
u-boot,dm-spl;
};
&sec_jr0 {
u-boot,dm-spl;
};
&sec_jr1 {
u-boot,dm-spl;
};
&sec_jr2 {
u-boot,dm-spl;
};
&sec_jr3 {
u-boot,dm-spl;
};

1
arch/arm/dts/ls1021a-twr.dtsi
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@ -6,6 +6,7 @@
*/
#include "ls1021a.dtsi"
#include "ls1021a-twr-u-boot.dtsi"
/ {
model = "LS1021A TWR Board";

6
board/freescale/common/fsl_chain_of_trust.c
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@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2015 Freescale Semiconductor, Inc.
* Copyright 2022 NXP
*/
#include <common.h>
@ -114,11 +115,6 @@ void spl_validate_uboot(uint32_t hdr_addr, uintptr_t img_addr)
fsl_secboot_handle_error(ERROR_ESBC_PAMU_INIT);
#endif
#ifdef CONFIG_FSL_CAAM
if (sec_init() < 0)
fsl_secboot_handle_error(ERROR_ESBC_SEC_INIT);
#endif
/*
* dm_init_and_scan() is called as part of common SPL framework, so no
* need to call it again but in case of powerpc platforms which currently

10
board/freescale/common/fsl_validate.c
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@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2015 Freescale Semiconductor, Inc.
* Copyright 2021 NXP
* Copyright 2021-2022 NXP
*/
#include <common.h>
@ -19,6 +19,7 @@
#ifdef CONFIG_ARCH_LS1021A
#include <asm/arch/immap_ls102xa.h>
#endif
#include <dm/lists.h>
#define SHA256_BITS 256
#define SHA256_BYTES (256/8)
@ -807,6 +808,13 @@ static int calculate_cmp_img_sig(struct fsl_secboot_img_priv *img)
prop.num_bits = key_len * 8;
prop.exp_len = key_len;
#if defined(CONFIG_SPL_BUILD)
ret = device_bind_driver(NULL, "fsl_rsa_mod_exp", "fsl_rsa_mod_exp", NULL);
if (ret) {
printf("Couldn't bind fsl_rsa_mod_exp driver (%d)\n", ret);
return -EINVAL;
}
#endif
ret = uclass_get_device(UCLASS_MOD_EXP, 0, &mod_exp_dev);
if (ret) {
printf("RSA: Can't find Modular Exp implementation\n");

13
board/freescale/ls1021atwr/ls1021atwr.c
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@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2014 Freescale Semiconductor, Inc.
* Copyright 2019, 2021 NXP
* Copyright 2019, 2021-2022 NXP
*/
#include <common.h>
@ -34,7 +34,7 @@
#include <fsl_qe.h>
#endif
#include <fsl_validate.h>
#include <dm/uclass.h>
DECLARE_GLOBAL_DATA_PTR;
@ -530,6 +530,15 @@ int board_init(void)
#if defined(CONFIG_SPL_BUILD)
void spl_board_init(void)
{
if (IS_ENABLED(CONFIG_FSL_CAAM)) {
struct udevice *dev;
int ret;
ret = uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(caam_jr), &dev);
if (ret)
printf("Failed to initialize caam_jr: %d\n", ret);
}
ls102xa_smmu_stream_id_init();
}
#endif