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mvebu: cortexa53: Enable Armada 37xx rWTM driver

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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