arm64: zynqmp: Set initrd_high to as high as possible
This patch is setting up the initrd_high to as high as possible by leaving
max stack size for u-boot so that bigger rootfs can also be loaded by
u-boot for booting kernel.
Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
index d649dab..0c331e3 100644
--- a/board/xilinx/zynqmp/zynqmp.c
+++ b/board/xilinx/zynqmp/zynqmp.c
@@ -22,6 +22,7 @@
#include <dwc3-uboot.h>
#include <zynqmppl.h>
#include <g_dnl.h>
+#include <linux/sizes.h>
#include "pm_cfg_obj.h"
@@ -530,6 +531,7 @@
char *new_targets;
char *env_targets;
int ret;
+ ulong initrd_hi;
#if defined(CONFIG_USB_ETHER) && !defined(CONFIG_USB_GADGET_DOWNLOAD)
usb_ether_init();
@@ -647,6 +649,10 @@
env_set("boot_targets", new_targets);
+ initrd_hi = gd->start_addr_sp - CONFIG_STACK_SIZE;
+ initrd_hi = round_down(initrd_hi, SZ_16M);
+ env_set_addr("initrd_high", (void *)initrd_hi);
+
reset_reason();
return 0;