The bootrom checks on warm reset if there is already a valid image in
ocram and boots it. Otherwise the next boot slot is loaded.
When barebox gets to this stage, mark it as successfully loaded to ocram.
Signed-off-by: Steffen Trumtrar <s.trumt...@pengutronix.de>
---
arch/arm/mach-socfpga/arria10-generic.c | 4 ++++
include/mach/socfpga/arria10-system-manager.h | 5 +++--
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-socfpga/arria10-generic.c
b/arch/arm/mach-socfpga/arria10-generic.c
index fc2ef3e292..d7ce6d84ab 100644
--- a/arch/arm/mach-socfpga/arria10-generic.c
+++ b/arch/arm/mach-socfpga/arria10-generic.c
@@ -74,6 +74,10 @@ static int arria10_generic_init(void)
pr_debug("Register restart handler\n");
restart_handler_register_fn("soc", arria10_restart_soc);
+ /* mark image in OCRAM as valid and finally disable the l4wd0 */
+ writel(ARRIA10_SYSMGR_ROM_INITSWSTATE_VALID,
ARRIA10_SYSMGR_ROM_INITSWSTATE);
+ arria10_watchdog_disable();
+
return 0;
}
postcore_initcall(arria10_generic_init);
diff --git a/include/mach/socfpga/arria10-system-manager.h
b/include/mach/socfpga/arria10-system-manager.h
index 536baf6bc3..b0654408a5 100644
--- a/include/mach/socfpga/arria10-system-manager.h
+++ b/include/mach/socfpga/arria10-system-manager.h
@@ -52,7 +52,8 @@
#define ARRIA10_SYSMGR_NOC_IDLESTATUS (ARRIA10_SYSMGR_ADDR + 0xd4)
#define ARRIA10_SYSMGR_FPGA2SOC_CTRL (ARRIA10_SYSMGR_ADDR + 0xd8)
-#define ARRIA10_SYSMGR_ROM_INITSWLASTLD (ARRIA10_SYSMGR_ADDR +
0x10)
+#define ARRIA10_SYSMGR_ROM_INITSWSTATE (ARRIA10_SYSMGR_ADDR + 0x20c)
+#define ARRIA10_SYSMGR_ROM_INITSWLASTLD (ARRIA10_SYSMGR_ADDR +
0x210)
#define ARRIA10_SYSMGR_ROM_ISW0 (ARRIA10_SYSMGR_ADDR +
0x230)
#define ARRIA10_SYSMGR_ROM_ISW1 (ARRIA10_SYSMGR_ADDR +
0x234)
#define ARRIA10_SYSMGR_ROM_ISW2 (ARRIA10_SYSMGR_ADDR +
0x238)
@@ -62,7 +63,7 @@
#define ARRIA10_SYSMGR_ROM_ISW6 (ARRIA10_SYSMGR_ADDR +
0x248)
#define ARRIA10_SYSMGR_ROM_ISW7 (ARRIA10_SYSMGR_ADDR +
0x24c)
-
+#define ARRIA10_SYSMGR_ROM_INITSWSTATE_VALID 0x49535756
#define ARRIA10_SYSMGR_BOOTINFO_BSEL_MASK 0x00007000
#define ARRIA10_SYSMGR_BOOTINFO_BSEL_SHIFT 12
--
2.43.2
