refactor(zynqmp): use common code for prepare_dtb
use common code definition and remove zynqmp local definition
for prepare_dtb in dtb flows.
Change-Id: I362b90b96852e9afccc8a2e23d3b7f709280fba7
Signed-off-by: Amit Nagal <amit.nagal@amd.com>
diff --git a/plat/xilinx/zynqmp/bl31_zynqmp_setup.c b/plat/xilinx/zynqmp/bl31_zynqmp_setup.c
index 7bdaf18..32bb982 100644
--- a/plat/xilinx/zynqmp/bl31_zynqmp_setup.c
+++ b/plat/xilinx/zynqmp/bl31_zynqmp_setup.c
@@ -21,6 +21,7 @@
#include <plat/common/platform.h>
#include <custom_svc.h>
+#include <plat_fdt.h>
#include <plat_private.h>
#include <plat_startup.h>
#include <zynqmp_def.h>
@@ -183,55 +184,9 @@
}
#endif
-#if (defined(XILINX_OF_BOARD_DTB_ADDR) && !IS_TFA_IN_OCM(BL31_BASE))
-static void prepare_dtb(void)
-{
- void *dtb = (void *)XILINX_OF_BOARD_DTB_ADDR;
- int ret;
-
- /* Return if no device tree is detected */
- if (fdt_check_header(dtb) != 0) {
- NOTICE("Can't read DT at %p\n", dtb);
- return;
- }
-
- ret = fdt_open_into(dtb, dtb, XILINX_OF_BOARD_DTB_MAX_SIZE);
- if (ret < 0) {
- ERROR("Invalid Device Tree at %p: error %d\n", dtb, ret);
- return;
- }
-
- if (dt_add_psci_node(dtb)) {
- ERROR("Failed to add PSCI Device Tree node\n");
- return;
- }
-
- if (dt_add_psci_cpu_enable_methods(dtb)) {
- ERROR("Failed to add PSCI cpu enable methods in Device Tree\n");
- return;
- }
-
- /* Reserve memory used by Trusted Firmware. */
- if (fdt_add_reserved_memory(dtb, "tf-a", BL31_BASE,
- (size_t) (BL31_LIMIT - BL31_BASE))) {
- WARN("Failed to add reserved memory nodes for BL31 to DT.\n");
- }
-
- ret = fdt_pack(dtb);
- if (ret < 0) {
- ERROR("Failed to pack Device Tree at %p: error %d\n", dtb, ret);
- }
-
- clean_dcache_range((uintptr_t)dtb, fdt_blob_size(dtb));
- INFO("Changed device tree to advertise PSCI and reserved memories.\n");
-}
-#endif
-
void bl31_platform_setup(void)
{
-#if (defined(XILINX_OF_BOARD_DTB_ADDR) && !IS_TFA_IN_OCM(BL31_BASE))
prepare_dtb();
-#endif
/* Initialize the gic cpu and distributor interfaces */
plat_arm_gic_driver_init();
diff --git a/plat/xilinx/zynqmp/platform.mk b/plat/xilinx/zynqmp/platform.mk
index 9c79855..e20cb22 100644
--- a/plat/xilinx/zynqmp/platform.mk
+++ b/plat/xilinx/zynqmp/platform.mk
@@ -127,6 +127,7 @@
${LIBFDT_SRCS} \
plat/xilinx/common/ipi_mailbox_service/ipi_mailbox_svc.c \
plat/xilinx/common/plat_startup.c \
+ plat/xilinx/common/plat_fdt.c \
plat/xilinx/zynqmp/bl31_zynqmp_setup.c \
plat/xilinx/zynqmp/plat_psci.c \
plat/xilinx/zynqmp/plat_zynqmp.c \