[OpenWrt-Devel] [PATCH v2 2/2] kernel: package module for SafeXcel crypto engine

[Tomasz Maciej Nowak]

Supports EIP97 and EIP197 found on Armada 37xx, 7k and 8k SoCs.
Unfortunately firmware for EIP197 is not easily obtainable, therefore
to not cause lot of user requests directed at OpenWrt, package it as
module with explanation where to obtain the firmware.

Cc: Marek Behún <marek.behun at nic.cz>
Signed-off-by: Tomasz Maciej Nowak <tomek_n at o2.pl>
---

v1 -> v2: add proper dependencies and extend module description in
result of review by Jonas Gorski

 package/kernel/linux/modules/crypto.mk | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/package/kernel/linux/modules/crypto.mk b/package/kernel/linux/modules/crypto.mk
index 9cab04c6ed..2e500f51d7 100644
--- a/package/kernel/linux/modules/crypto.mk
+++ b/package/kernel/linux/modules/crypto.mk
@@ -350,6 +350,31 @@ endef
 $(eval $(call KernelPackage,crypto-hw-padlock))
 
 
+define KernelPackage/crypto-hw-safexcel
+  TITLE:= MVEBU SafeXcel Crypto Engine module
+  DEPENDS:=@!LINUX_4_14 @(TARGET_mvebu_cortexa53||TARGET_mvebu_cortexa72) \
+	+kmod-crypto-authenc +kmod-crypto-md5 +kmod-crypto-hmac +kmod-crypto-sha256 +kmod-crypto-sha512
+  KCONFIG:= \
+	CONFIG_CRYPTO_HW=y \
+	CONFIG_CRYPTO_DEV_SAFEXCEL
+  FILES:=$(LINUX_DIR)/drivers/crypto/inside-secure/crypto_safexcel.ko
+  AUTOLOAD:=$(call AutoLoad,90,crypto_safexcel)
+  $(call AddDepends/crypto)
+endef
+
+define KernelPackage/crypto-hw-safexcel/description
+MVEBU's EIP97 and EIP197 Cryptographic Engine driver designed by
+Inside Secure. This is found on Marvell Armada 37xx/7k/8k SoCs.
+
+Particular version of these IP (EIP197B and EIP197D) require firmware.
+Unfortunately it's not freely available and needs signed Non-Disclosure
+Agreement (NDA) with Marvell. For those who have signed NDA the firmware can be
+obtained at https://extranet.marvell.com.
+endef
+
+$(eval $(call KernelPackage,crypto-hw-safexcel))
+
+
 define KernelPackage/crypto-hw-talitos
   TITLE:=Freescale integrated security engine (SEC) driver
   DEPENDS:=+kmod-crypto-manager +kmod-crypto-hash +kmod-random-core +kmod-crypto-authenc +kmod-crypto-des
-- 
2.22.0


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