Some mkimage features require linking with OpenSSL. Instead of linking
OpenSSL based on the individual platform symbols, create a single
Kconfig symbol which can be selected by platforms as necessary. Then,
all OpenSSL-dependent image types can be enabled at once.

Cc: Stefano Babic <sba...@denx.de>
Cc: Fabio Estevam <feste...@gmail.com>
Cc: "NXP i.MX U-Boot Team" <uboot-...@nxp.com>
Cc: Stefan Roese <s...@denx.de>
Cc: Simon Glass <s...@chromium.org>
Signed-off-by: Samuel Holland <sam...@sholland.org>
---
 arch/arm/mach-imx/mxs/Kconfig |  2 ++
 arch/arm/mach-mvebu/Kconfig   |  1 +
 common/Kconfig.boot           |  2 ++
 scripts/config_whitelist.txt  |  1 -
 tools/Kconfig                 |  3 +++
 tools/Makefile                | 22 +++++++---------------
 tools/mxsimage.c              |  3 ---
 7 files changed, 15 insertions(+), 19 deletions(-)

diff --git a/arch/arm/mach-imx/mxs/Kconfig b/arch/arm/mach-imx/mxs/Kconfig
index 9f48ffda414..f067a9c38e0 100644
--- a/arch/arm/mach-imx/mxs/Kconfig
+++ b/arch/arm/mach-imx/mxs/Kconfig
@@ -3,6 +3,7 @@ if ARCH_MX23
 config MX23
        bool
        default y
+       select MKIMAGE_LINK_OPENSSL
 
 choice
        prompt "MX23 board select"
@@ -34,6 +35,7 @@ if ARCH_MX28
 config MX28
        bool
        default y
+       select MKIMAGE_LINK_OPENSSL
 
 choice
        prompt "MX28 board select"
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index cda65f74786..2a4f861015d 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -29,6 +29,7 @@ config ARMADA_38X
        bool
        select ARMADA_32BIT
        select HAVE_MVEBU_EFUSE
+       select MKIMAGE_LINK_OPENSSL
 
 config ARMADA_38X_HS_IMPEDANCE_THRESH
        hex  "Armada 38x USB 2.0 High-Speed Impedance Threshold (0x0 - 0x7)"
diff --git a/common/Kconfig.boot b/common/Kconfig.boot
index 89a3161f1fa..7d022d1ccfa 100644
--- a/common/Kconfig.boot
+++ b/common/Kconfig.boot
@@ -80,6 +80,7 @@ config FIT_SIGNATURE
        select RSA_VERIFY
        select IMAGE_SIGN_INFO
        select FIT_FULL_CHECK
+       select MKIMAGE_LINK_OPENSSL
        help
          This option enables signature verification of FIT uImages,
          using a hash signed and verified using RSA. If
@@ -115,6 +116,7 @@ config FIT_CIPHER
        bool "Enable ciphering data in a FIT uImages"
        depends on DM
        select AES
+       select MKIMAGE_LINK_OPENSSL
        help
          Enable the feature of data ciphering/unciphering in the tool mkimage
          and in the u-boot support of the FIT image.
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 3dbcc042a8a..e013e1f26aa 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -1066,7 +1066,6 @@ CONFIG_MXC_UART_BASE
 CONFIG_MXC_USB_FLAGS
 CONFIG_MXC_USB_PORT
 CONFIG_MXC_USB_PORTSC
-CONFIG_MXS
 CONFIG_MXS_AUART
 CONFIG_MXS_AUART_BASE
 CONFIG_MXS_OCOTP
diff --git a/tools/Kconfig b/tools/Kconfig
index b2f5012240c..df3dffa9e18 100644
--- a/tools/Kconfig
+++ b/tools/Kconfig
@@ -9,4 +9,7 @@ config MKIMAGE_DTC_PATH
          some cases the system dtc may not support all required features
          and the path to a different version should be given here.
 
+config MKIMAGE_LINK_OPENSSL
+       bool
+
 endmenu
diff --git a/tools/Makefile b/tools/Makefile
index d020c55d664..8843185703c 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -75,9 +75,10 @@ ECDSA_OBJS-$(CONFIG_FIT_SIGNATURE) := $(addprefix 
lib/ecdsa/, ecdsa-libcrypto.o)
 AES_OBJS-$(CONFIG_FIT_CIPHER) := $(addprefix lib/aes/, \
                                        aes-encrypt.o aes-decrypt.o)
 
-# Cryptographic helpers that depend on openssl/libcrypto
-LIBCRYPTO_OBJS-$(CONFIG_FIT_SIGNATURE) := $(addprefix lib/, \
-                                       fdt-libcrypto.o)
+# Cryptographic helpers and image types that depend on openssl/libcrypto
+OPENSSL_OBJS-$(CONFIG_MKIMAGE_LINK_OPENSSL) := \
+                       lib/fdt-libcrypto.o \
+                       mxsimage.o \
 
 ROCKCHIP_OBS = lib/rc4.o rkcommon.o rkimage.o rksd.o rkspi.o
 
@@ -101,7 +102,6 @@ dumpimage-mkimage-objs := aisimage.o \
                        kwbimage.o \
                        lib/md5.o \
                        lpc32xximage.o \
-                       mxsimage.o \
                        omapimage.o \
                        os_support.o \
                        pblimage.o \
@@ -121,7 +121,7 @@ dumpimage-mkimage-objs := aisimage.o \
                        zynqimage.o \
                        zynqmpimage.o \
                        zynqmpbif.o \
-                       $(LIBCRYPTO_OBJS-y) \
+                       $(OPENSSL_OBJS-y) \
                        $(LIBFDT_OBJS) \
                        gpimage.o \
                        gpimage-common.o \
@@ -136,12 +136,7 @@ fit_info-objs   := $(dumpimage-mkimage-objs) fit_info.o
 fit_check_sign-objs   := $(dumpimage-mkimage-objs) fit_check_sign.o
 file2include-objs := file2include.o
 
-ifneq ($(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_FIT_SIGNATURE),)
-# Add CONFIG_MXS into host CFLAGS, so we can check whether or not register
-# the mxsimage support within tools/mxsimage.c .
-HOSTCFLAGS_mxsimage.o += -DCONFIG_MXS
-endif
-
+ifneq ($(CONFIG_MKIMAGE_LINK_OPENSSL),)
 ifdef CONFIG_FIT_SIGNATURE
 # This affects include/image.h, but including the board config file
 # is tricky, so manually define this options here.
@@ -159,12 +154,9 @@ ifdef CONFIG_SYS_U_BOOT_OFFS
 HOSTCFLAGS_kwbimage.o += -DCONFIG_SYS_U_BOOT_OFFS=$(CONFIG_SYS_U_BOOT_OFFS)
 endif
 
-ifneq ($(CONFIG_ARMADA_38X),)
+# Enable image features which depend on OpenSSL.
 HOSTCFLAGS_kwbimage.o += -DCONFIG_KWB_SECURE
-endif
 
-# MXSImage needs LibSSL
-ifneq 
($(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_ARMADA_38X)$(CONFIG_FIT_SIGNATURE)$(CONFIG_FIT_CIPHER),)
 HOSTCFLAGS_kwbimage.o += \
        $(shell pkg-config --cflags libssl libcrypto 2> /dev/null || echo "")
 HOSTLDLIBS_mkimage += \
diff --git a/tools/mxsimage.c b/tools/mxsimage.c
index 002f4b525aa..2bfbb421eb6 100644
--- a/tools/mxsimage.c
+++ b/tools/mxsimage.c
@@ -5,8 +5,6 @@
  * Copyright (C) 2012-2013 Marek Vasut <ma...@denx.de>
  */
 
-#ifdef CONFIG_MXS
-
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
@@ -2363,4 +2361,3 @@ U_BOOT_IMAGE_TYPE(
        NULL,
        mxsimage_generate
 );
-#endif
-- 
2.31.1

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