feat(versal): ddr address reservation in dtb at runtime
When the TF-A is placed in DDR memory range, the DDR memory range
needs to be explicitly reserved in the default device tree.
A new build time parameter, XILINX_OF_BOARD_DTB_ADDR, is introduced.
The TF-A will reserve the DDR memory only when a valid DTB address
is provided to XILINX_OF_BOARD_DTB_ADDR during build.
Now the user has options, either manually reserve the desired DDR
address range for TF-A in device tree or let TF-A access and modify
the device tree, to reserve the DDR address range, in runtime using
the build parameter.
Change-Id: I4442a90e1cab5a3a115f4eeb8a7e09e247189ff0
Signed-off-by: Amit Nagal <amit.nagal@amd.com>
Signed-off-by: Akshay Belsare <akshay.belsare@amd.com>
diff --git a/plat/xilinx/versal/platform.mk b/plat/xilinx/versal/platform.mk
index 0b6aea0..c936220 100644
--- a/plat/xilinx/versal/platform.mk
+++ b/plat/xilinx/versal/platform.mk
@@ -45,12 +45,17 @@
VERSAL_PLATFORM ?= silicon
$(eval $(call add_define_val,VERSAL_PLATFORM,VERSAL_PLATFORM_ID_${VERSAL_PLATFORM}))
+ifdef XILINX_OF_BOARD_DTB_ADDR
+$(eval $(call add_define,XILINX_OF_BOARD_DTB_ADDR))
+endif
+
PLAT_INCLUDES := -Iinclude/plat/arm/common/ \
-Iplat/xilinx/common/include/ \
-Iplat/xilinx/common/ipi_mailbox_service/ \
-Iplat/xilinx/versal/include/ \
-Iplat/xilinx/versal/pm_service/
+include lib/libfdt/libfdt.mk
# Include GICv3 driver files
include drivers/arm/gic/v3/gicv3.mk
include lib/xlat_tables_v2/xlat_tables.mk
@@ -80,6 +85,7 @@
lib/cpus/aarch64/cortex_a72.S \
plat/common/plat_psci_common.c \
plat/xilinx/common/ipi.c \
+ plat/xilinx/common/plat_fdt.c \
plat/xilinx/common/plat_startup.c \
plat/xilinx/common/ipi_mailbox_service/ipi_mailbox_svc.c \
plat/xilinx/common/pm_service/pm_ipi.c \
@@ -93,7 +99,9 @@
plat/xilinx/versal/sip_svc_setup.c \
plat/xilinx/versal/versal_gicv3.c \
plat/xilinx/versal/versal_ipi.c \
- plat/xilinx/versal/pm_service/pm_client.c
+ plat/xilinx/versal/pm_service/pm_client.c \
+ common/fdt_fixup.c \
+ ${LIBFDT_SRCS}
ifeq ($(HARDEN_SLS_ALL), 1)
TF_CFLAGS_aarch64 += -mharden-sls=all