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.
 	 */
diff --git a/arch/arm/mach-k3/include/mach/am62_hardware.h b/arch/arm/mach-k3/include/mach/am62_hardware.h
index 90682d8..bcbc482 100644
--- a/arch/arm/mach-k3/include/mach/am62_hardware.h
+++ b/arch/arm/mach-k3/include/mach/am62_hardware.h
@@ -83,6 +83,7 @@
 #define CTRLMMR_DBOUNCE_CFG(index)		(MCU_CTRL_MMR0_BASE + 0x4080 + (index * 4))
 
 #define ROM_EXTENDED_BOOT_DATA_INFO		0x43c3f1e0
+#define K3_BOOT_PARAM_TABLE_INDEX_OCRAM		0x7000F290
 
 #define TI_SRAM_SCRATCH_BOARD_EEPROM_START	0x43c30000