From b5a152e7ca0b2b71300c1ef7a4c80a1f729a7d05 Mon Sep 17 00:00:00 2001
From: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Date: Wed, 15 Jul 2020 22:49:00 +0530
Subject: [PATCH] board: ns3: default reset type to L3
Default "reset" from U-Boot to L3 reset.
"reset" command with argument will trigger L1 reset.
Signed-off-by: Rajesh Ravi <rajesh.ravi@broadcom.com>
Signed-off-by: Bharat Kumar Reddy Gooty <bharat.gooty@broadcom.com>
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
board/broadcom/bcmns3/ns3.c | 23 +++++++++++++++++++++--
1 file changed, 21 insertions(+), 2 deletions(-)
diff --git a/board/broadcom/bcmns3/ns3.c b/board/broadcom/bcmns3/ns3.c
index e51263f85e..6a72e28494 100644
--- a/board/broadcom/bcmns3/ns3.c
+++ b/board/broadcom/bcmns3/ns3.c
@@ -10,6 +10,9 @@
#include <asm/armv8/mmu.h>
#include <asm/arch-bcmns3/bl33_info.h>
+/* Default reset-level = 3 and strap-val = 0 */
+#define L3_RESET 30
+
static struct mm_region ns3_mem_map[] = {
{
.virt = 0x0UL,
@@ -68,7 +71,23 @@ int dram_init_banksize(void)
return 0;
}
-void reset_cpu(ulong addr)
+void reset_cpu(ulong level)
{
- psci_system_reset();
+ u32 reset_level, strap_val;
+
+ /* Default reset type is L3 reset */
+ if (!level) {
+ /*
+ * Encoding: U-Boot reset command expects decimal argument,
+ * Boot strap val: Bits[3:0]
+ * reset level: Bits[7:4]
+ */
+ strap_val = L3_RESET % 10;
+ level = L3_RESET / 10;
+ reset_level = level % 10;
+ psci_system_reset2(reset_level, strap_val);
+ } else {
+ /* U-Boot cmd "reset" with any arg will trigger L1 reset */
+ psci_system_reset();
+ }
}
--
2.39.5