[Buildroot] [PATCH v2 3/3] boot/xilinx-prebuilt: install pld.pdi to target

[Neal Frager]

With the Versal Segmented Configuration, it is possible to load a PL bitstream
at run-time using the Linux fpgautil application.  Whenever Segmented
Configuration is used, both the boot.pdi and pld.pdi files will be available
to Buildroot.  For this reason, this patch improves the user experience by
installing the pld.pdi file to the target file system for run-time loading
whenever Versal Segemented Configuration is used.

Please note that the fpgautil application is required for loading the pld.pdi
file.  The source code for this application can be found below.  Users are
required to build it and include it in the target file system for loading the
pld.pdi file and thus programming the FPGA.

https://github.com/Xilinx/meta-xilinx/blob/master/meta-xilinx-core/recipes-bsp/fpga-manager-script/files/fpgautil.c

Signed-off-by: Neal Frager <neal.frager at amd.com>
---
V1->V2:
- new to patch series
---
 boot/xilinx-prebuilt/xilinx-prebuilt.mk | 28 ++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/boot/xilinx-prebuilt/xilinx-prebuilt.mk b/boot/xilinx-prebuilt/xilinx-prebuilt.mk
index e6817f4bd7..212247d331 100644
--- a/boot/xilinx-prebuilt/xilinx-prebuilt.mk
+++ b/boot/xilinx-prebuilt/xilinx-prebuilt.mk
@@ -19,7 +19,7 @@ XILINX_PREBUILT_LICENSE = MIT
 XILINX_PREBUILT_LICENSE_FILES = LICENSE
 endif # BR2_TARGET_XILINX_PREBUILT_VERSAL_XSA
 
-XILINX_PREBUILT_INSTALL_TARGET = NO
+XILINX_PREBUILT_INSTALL_TARGET = YES
 XILINX_PREBUILT_INSTALL_IMAGES = YES
 
 XILINX_PREBUILT_FAMILY = $(call qstrip,$(BR2_TARGET_XILINX_PREBUILT_FAMILY))
@@ -48,6 +48,17 @@ define XILINX_PREBUILT_INSTALL_VERSAL_XSA_BOOT_PDI
 			$(BINARIES_DIR)/boot.pdi
 	)
 endef
+
+# Install pld.pdi in target file system for run-time loading when using
+# Segmented Configuration.
+define XILINX_PREBUILT_INSTALL_VERSAL_XSA_PLD_PDI
+	$(if $(wildcard $(@D)/*boot*.pdi),
+		mkdir -p $(TARGET_DIR)/lib/firmware && \
+		$(INSTALL) -D -m 0755 $(@D)/*pld*.pdi \
+			$(TARGET_DIR)/lib/firmware
+	)
+endef
+
 else # BR2_TARGET_XILINX_PREBUILT_VERSAL_XSA
 XILINX_PREBUILT_PLM = $(XILINX_PREBUILT_BOARD_DIR)/plm.elf
 XILINX_PREBUILT_PSMFW = $(XILINX_PREBUILT_BOARD_DIR)/psmfw.elf
@@ -63,6 +74,16 @@ define XILINX_PREBUILT_INSTALL_VERSAL_BOOT_PDI
 			$(BINARIES_DIR)/boot.pdi
 	)
 endef
+
+# Install pld.pdi in target file system for run-time loading when using
+# Segmented Configuration.
+define XILINX_PREBUILT_INSTALL_VERSAL_PLD_PDI
+	$(if $(wildcard $(XILINX_PREBUILT_BOARD_DIR)/*boot*.pdi),
+		mkdir -p $(TARGET_DIR)/lib/firmware && \
+		$(INSTALL) -D -m 0755 $(XILINX_PREBUILT_BOARD_DIR)/*pld*.pdi \
+			$(TARGET_DIR)/lib/firmware
+	)
+endef
 endif # BR2_TARGET_XILINX_PREBUILT_VERSAL_XSA
 
 ifneq ($(BR2_TARGET_XILINX_EMBEDDEDSW_VERSAL_PLM),y)
@@ -96,4 +117,9 @@ define XILINX_PREBUILT_INSTALL_IMAGES_CMDS
 	$(XILINX_PREBUILT_INSTALL_ZYNQMP_PMUFW)
 endef
 
+define XILINX_PREBUILT_INSTALL_TARGET_CMDS
+	$(XILINX_PREBUILT_INSTALL_VERSAL_PLD_PDI)
+	$(XILINX_PREBUILT_INSTALL_VERSAL_XSA_PLD_PDI)
+endef
+
 $(eval $(generic-package))
-- 
2.25.1