arm: socfpga: arria10: Setting image magic value to romcode initswstate reg
The romcode_initswstate register need to be set with FSBL_IMAGE_IS_VALID
value if the current FSBL image is found valid, otherwise BootROM will
look for next subsequent valid FSBL image when warm reset is triggered.
Signed-off-by: Tien Fong Chee <tien.fong.chee@intel.com>
Signed-off-by: Sin Hui Kho <sin.hui.kho@intel.com>
Reviewed-by: Tien Fong Chee <tien.fong.chee@intel.com>
diff --git a/arch/arm/mach-socfpga/spl_a10.c b/arch/arm/mach-socfpga/spl_a10.c
index ecb656e..f6c4b57 100644
--- a/arch/arm/mach-socfpga/spl_a10.c
+++ b/arch/arm/mach-socfpga/spl_a10.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0+
/*
- * Copyright (C) 2012-2019 Altera Corporation <www.altera.com>
+ * Copyright (C) 2012-2021 Altera Corporation <www.altera.com>
*/
#include <common.h>
@@ -32,6 +32,7 @@
#include <memalign.h>
#define FPGA_BUFSIZ 16 * 1024
+#define FSBL_IMAGE_IS_VALID 0x49535756
DECLARE_GLOBAL_DATA_PTR;
@@ -169,3 +170,10 @@
config_dedicated_pins(gd->fdt_blob);
WATCHDOG_RESET();
}
+
+/* board specific function prior loading SSBL / U-Boot proper */
+void spl_board_prepare_for_boot(void)
+{
+ writel(FSBL_IMAGE_IS_VALID, socfpga_get_sysmgr_addr() +
+ SYSMGR_A10_ROMCODE_INITSWSTATE);
+}