meta-arm-bsp: Introduce the scp-firmware-juno recipe

The scp-firmware-juno recipe is used to fetch the System Control
Processor (SCP) firmware in binary form for Juno.

Also update the trusted-firmware-a for juno to make usage of
the the SCP firmware binary from scp-firmware-juno recipe.

Change-Id: I2a7e517e06c3bbac6b0ffa3f28e0848d8f30589f
Issue-Id: SCM-754 SCM-888
Signed-off-by: Diego Sueiro <diego.sueiro@arm.com>
Reviewed-By: Bertrand Marquis <bertrand.marquis@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm-bsp/recipes-bsp/firmware/scp-firmware-juno_19.06.bb

@@ -0,0 +1,38 @@
+DESCRIPTION = "System Control Processor (SCP) firmware for Juno"
+HOMEPAGE = "https://github.com/ARM-software/SCP-firmware"
+LICENSE = "BSD-3-Clause"
+SECTION = "firmware"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/BSD-3-Clause;md5=550794465ba0ec5312d6919e203a55f9"
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+COMPATIBLE_MACHINE = "juno"
+
+PROVIDES += "virtual/scp-firmware"
+
+# For now, for juno we retrieve the SCP firmware in binary format
+# from Linaro Releases.
+SRC_URI = "http://releases.linaro.org/members/arm/platforms/${PV}/juno-latest-oe-uboot.zip;subdir=${UNPACK_DIR}"
+
+SRC_URI[md5sum] = "01b662b81fa409d55ff298238ad24003"
+SRC_URI[sha256sum] = "b8a3909bb3bc4350a8771b863193a3e33b358e2a727624a77c9ecf13516cec82"
+
+UNPACK_DIR = "juno-firmware"
+
+S = "${WORKDIR}/${UNPACK_DIR}"
+
+SCP_FIRMWARE_BINARIES = "scp_bl1.bin scp_bl2.bin"
+
+inherit nopackages
+
+do_configure[noexec] = "1"
+do_configure[compile] = "1"
+
+do_install() {
+    install -d ${D}/firmware
+    for file in ${SCP_FIRMWARE_BINARIES}; do
+        install -m 644 ${S}/SOFTWARE/${file} ${D}/firmware
+    done
+}
+
+SYSROOT_DIRS += "/firmware"

meta-arm-bsp/recipes-bsp/trusted-firmware-a/trusted-firmware-a-juno.inc

@@ -23,8 +23,10 @@ SRC_URI_append_juno = " \
 	file://images-r2.txt \
 	file://uEnv.txt \
 	"
+# Juno needs the System Control Processor Firmware
+DEPENDS += "virtual/scp-firmware"
 
-EXTRA_OEMAKE_append_juno = " SCP_BL2=${WORKDIR}/juno-oe-uboot/SOFTWARE/scp_bl2.bin"
+EXTRA_OEMAKE_append = " SCP_BL2=${RECIPE_SYSROOT}/firmware/scp_bl2.bin"
 
 # Build dependencies only for Juno and add them
 # doing it with do_deploy_juno[depends] does not work