[PATCH v5 06/15] board: ns3: default reset type to L3

[Rayagonda Kokatanur]

Default "reset" from U-Boot to L3 reset.
"reset" command with argument will trigger L1 reset.

Signed-off-by: Rajesh Ravi <rajesh.ravi at broadcom.com>
Signed-off-by: Bharat Kumar Reddy Gooty <bharat.gooty at broadcom.com>
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur at broadcom.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
---
Changes from v4:
  -Address review comments from Simon,
   Move hash defines at top of file and add comment,
   Correct spelling mistakes.

 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();
+	}
 }
-- 
2.17.1