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ARM: mx6: make CAAM usable on the i.MX6 boards

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Even if the HAB fuse is not set we want to be able to use the Cryptographic
Accelerator and Assurance Module (CAAM) for generating random numbers. So
SYS_FSL_HAS_SEC should be selected even if IMX_HAB is not set.

arch_misc_init() has to be called to initialize the CAAM.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2020-06-26 19:57:55 +02:00 committed by Stefano Babic
parent 496cb1f274
commit 90865614b4
2 changed files with 11 additions and 1 deletions
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2
arch/arm/Kconfig
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@ -888,7 +888,7 @@ config ARCH_MX7
config ARCH_MX6
bool "Freescale MX6"
select CPU_V7A
select SYS_FSL_HAS_SEC if IMX_HAB
select SYS_FSL_HAS_SEC
select SYS_FSL_SEC_COMPAT_4
select SYS_FSL_SEC_LE
imply MXC_GPIO

10
arch/arm/mach-imx/mx6/soc.c
View file

@ -22,6 +22,7 @@
#include <asm/arch/mxc_hdmi.h>
#include <asm/arch/crm_regs.h>
#include <dm.h>
#include <fsl_sec.h>
#include <imx_thermal.h>
#include <mmc.h>
@ -691,6 +692,15 @@ void imx_setup_hdmi(void)
}
#endif
#ifdef CONFIG_ARCH_MISC_INIT
int arch_misc_init(void)
{
#ifdef CONFIG_FSL_CAAM
sec_init();
#endif
return 0;
}
#endif
/*
* gpr_init() function is common for boards using MX6S, MX6DL, MX6D,