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mvebu: cortexa53: Enable Armada 37xx rWTM driver 

Enabling Armada 37xx rWTM driver. This gives the kernel access to random
number generator, if provided by the rWTM firmware.

Note that the driver is called turris-mox-rwtm because it was initially
written for Turris MOX, but will also work on other Armada 37xx
platforms, if they use rWTM firmware from CZ.NIC [1].

It makes sense to have this driver built-in, so that kernel has access
to random number generator without needing to load any drivers.

[1] https://gitlab.nic.cz/turris/mox-boot-builder

Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andre Heider <a.heider@gmail.com>
This commit is contained in:
Marek Behún 2022-01-09 22:01:41 +01:00 committed by Christian Lamparter
parent bf991fa357
commit 43659a7d74
1 changed files with 4 additions and 0 deletions
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4
target/linux/mvebu/cortexa53/config-5.10
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@ -18,6 +18,7 @@ CONFIG_ARM64_TAGGED_ADDR_ABI=y
CONFIG_ARM64_VA_BITS=39
CONFIG_ARM64_VA_BITS_39=y
CONFIG_ARMADA_37XX_CLK=y
CONFIG_ARMADA_37XX_RWTM_MBOX=y
CONFIG_ARMADA_AP806_SYSCON=y
CONFIG_ARMADA_AP_CP_HELPER=y
CONFIG_ARMADA_CP110_SYSCON=y
@ -40,6 +41,8 @@ CONFIG_GENERIC_CSUM=y
CONFIG_GENERIC_PINCONF=y
CONFIG_HOLES_IN_ZONE=y
CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
CONFIG_MAILBOX=y
# CONFIG_MAILBOX_TEST is not set
CONFIG_MFD_SYSCON=y
CONFIG_MMC_SDHCI_XENON=y
CONFIG_MODULES_USE_ELF_RELA=y
@ -74,6 +77,7 @@ CONFIG_SWIOTLB=y
CONFIG_SYSCTL_EXCEPTION_TRACE=y
CONFIG_SYS_SUPPORTS_HUGETLBFS=y
CONFIG_THREAD_INFO_IN_TASK=y
CONFIG_TURRIS_MOX_RWTM=y
CONFIG_UNMAP_KERNEL_AT_EL0=y
CONFIG_VMAP_STACK=y
CONFIG_ZONE_DMA32=y