[U-Boot] [PATCH v1 8/9] configs: colibri_imx7: enable CAAM driver

Marcel Ziswiler marcel.ziswiler at toradex.com
Sun Jan 6 23:45:09 UTC 2019


On Sun, 2019-01-06 at 22:00 +0100, Stefan Agner wrote:
> From: Stefan Agner <stefan.agner at toradex.com>
> 
> Access to CAAM in non-secure mode must be enabled by the boot
> loader first. The U-Boot CAAM driver enables access to CAAM in
> non-secure mode by default. Hence enable the CAAM driver to
> allow Linux accessing CAAM directly. This prevents error
> messages like the following on Linux boot:
>   caam 30900000.caam: Entropy delay = 3200
>   caam 30900000.caam: failed to acquire DECO 0
>   caam 30900000.caam: failed to instantiate RNG

While I noticed that I did not (yet) look closer into it. Good catch.

> Signed-off-by: Stefan Agner <stefan.agner at toradex.com>

Acked-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>

> ---
> 
>  configs/colibri_imx7_defconfig | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/configs/colibri_imx7_defconfig
> b/configs/colibri_imx7_defconfig
> index af976bab12..c6fd7f3f4e 100644
> --- a/configs/colibri_imx7_defconfig
> +++ b/configs/colibri_imx7_defconfig
> @@ -2,9 +2,11 @@ CONFIG_ARM=y
>  CONFIG_SYS_THUMB_BUILD=y
>  CONFIG_ARCH_MX7=y
>  CONFIG_SYS_TEXT_BASE=0x87800000
> +CONFIG_SECURE_BOOT=y
>  CONFIG_TARGET_COLIBRI_IMX7=y
>  CONFIG_IMX_RDC=y
>  CONFIG_IMX_BOOTAUX=y
> +# CONFIG_CMD_DEKBLOB is not set
>  CONFIG_ENV_VARS_UBOOT_CONFIG=y
>  CONFIG_NR_DRAM_BANKS=1
>  CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/toradex/colibri_imx7/imxi
> mage.cfg,MX7D"
> @@ -35,6 +37,7 @@ CONFIG_CMD_MII=y
>  CONFIG_CMD_PING=y
>  CONFIG_CMD_BMP=y
>  CONFIG_CMD_CACHE=y
> +# CONFIG_CMD_HASH is not set
>  CONFIG_CMD_EXT4=y
>  CONFIG_CMD_FAT=y
>  CONFIG_CMD_FS_GENERIC=y
> @@ -46,6 +49,7 @@ CONFIG_OF_CONTROL=y
>  CONFIG_DEFAULT_DEVICE_TREE="imx7-colibri-rawnand"
>  CONFIG_ENV_IS_IN_NAND=y
>  CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
> +CONFIG_FSL_CAAM=y
>  CONFIG_DFU_MMC=y
>  CONFIG_DM_GPIO=y
>  CONFIG_DM_I2C=y


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