arm: mach-k3: am625: copy bootindex to OCRAM for main domain SPL

Relocate booindex to OCRAM region after it gets opened by TIFS so
the main domain bootloaders can have access to this data.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
diff --git a/arch/arm/mach-k3/am625_init.c b/arch/arm/mach-k3/am625_init.c
index 961f36e..2d31aba 100644
--- a/arch/arm/mach-k3/am625_init.c
+++ b/arch/arm/mach-k3/am625_init.c
@@ -236,6 +236,14 @@
 	}
 
 	/*
+	 * Relocate boot information to OCRAM (after TIFS has opend this
+	 * region for us) so the next bootloader stages can keep access to
+	 * primary vs backup bootmodes.
+	 */
+	if (IS_ENABLED(CONFIG_CPU_V7R))
+		writel(bootindex, K3_BOOT_PARAM_TABLE_INDEX_OCRAM);
+
+	/*
 	 * Force probe of clk_k3 driver here to ensure basic default clock
 	 * configuration is always done.
 	 */