arm-bsp: add dunfell support for fvps, juno and gem5

Make following machines compatible with dunfell:
- foundation-armv8
- fvp-base
- juno
- gem5

Major changes include moving kernel version to 5.4 and U-BOOT version
to v2020

Change-Id: Ia59ac874de4e4c4ea02c7a4f976e39a9b6996f75
Issue-Id: SCM-833
Signed-off-by: Vineeth Raveendran <vineeth.raveendran@arm.com>
Reviewed-by: Bertrand Marquis <bertrand.marquis@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm-bsp/conf/machine/fvp-common/fvp.inc

@@ -35,9 +35,9 @@ DISK_IMG_PARTITION3_CONTENT = ""
 SERIAL_CONSOLES = "115200;ttyAMA0"
 
 PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
-PREFERRED_VERSION_linux-yocto ?= "4.19%"
+PREFERRED_VERSION_linux-yocto ?= "5.4%"
 
 EXTRA_IMAGEDEPENDS += "virtual/trusted-firmware-a u-boot"
 
 # FVP u-boot configuration
-UBOOT_MACHINE = "vexpress_aemv8a_dram_defconfig"
+UBOOT_MACHINE = "vexpress_aemv8a_semi_defconfig"

meta-arm-bsp/conf/machine/gem5-arm64.conf

@@ -20,7 +20,7 @@ SERIAL_CONSOLES = "115200;ttyAMA0"
 EXTRA_IMAGEDEPENDS += "virtual/gem5-bootloader"
 
 PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
-PREFERRED_VERSION_linux-yocto ?= "4.19%"
+PREFERRED_VERSION_linux-yocto ?= "5.4%"
 
 
 # Uncomment the following if you need to build gem5 provided bootloader, else

meta-arm-bsp/recipes-bsp/u-boot/files/fvp-common/u-boot_vexpress_fvp.patch

@@ -0,0 +1,13 @@
+diff --git a/configs/vexpress_aemv8a_semi_defconfig b/configs/vexpress_aemv8a_semi_defconfig
+index c9cec8322c..3a339be6a2 100644
+--- a/configs/vexpress_aemv8a_semi_defconfig
++++ b/configs/vexpress_aemv8a_semi_defconfig
+@@ -9,7 +9,7 @@ CONFIG_IDENT_STRING=" vexpress_aemv8a"
+ CONFIG_DISTRO_DEFAULTS=y
+ CONFIG_BOOTDELAY=1
+ CONFIG_USE_BOOTARGS=y
+-CONFIG_BOOTARGS="console=ttyAMA0 earlycon=pl011,0x1c090000 debug user_debug=31 loglevel=9"
++CONFIG_BOOTARGS="console=ttyAMA0 earlyprintk=pl011,0x1c090000 debug user_debug=31 androidboot.hardware=fvpbase root=/dev/vda2 rw rootwait loglevel=9"
+ # CONFIG_USE_BOOTCOMMAND is not set
+ # CONFIG_DISPLAY_CPUINFO is not set
+ # CONFIG_DISPLAY_BOARDINFO is not set

meta-arm-bsp/recipes-bsp/u-boot/u-boot_2019.%.bbappend

@@ -1,9 +0,0 @@
-# u-boot_2019 patch for Juno board (Adding boot env)
-
-#
-# Patch u-boot to add environment variables from Flash
-#
-
-FILESEXTRAPATHS_prepend := "${THISDIR}/files/${MACHINE}:"
-
-SRC_URI_append_juno = " file://u-boot_vexpress_uenv.patch"

meta-arm-bsp/recipes-bsp/u-boot/u-boot_2020.%.bbappend

@@ -0,0 +1,13 @@
+# u-boot_2020 patch for fvp machinesboard
+
+#
+# Patch u-boot to change kernel command line
+#
+
+FILESEXTRAPATHS_prepend_fvp-base := "${THISDIR}/files/fvp-common:"
+FILESEXTRAPATHS_prepend_foundation-armv8 := "${THISDIR}/files/fvp-common:"
+FILESEXTRAPATHS_prepend_juno := "${THISDIR}/files:"
+
+SRC_URI_append_fvp-base = " file://u-boot_vexpress_fvp.patch"
+SRC_URI_append_foundation-armv8 = " file://u-boot_vexpress_fvp.patch"
+SRC_URI_append_juno = " file://u-boot_vexpress_uenv.patch"