[PATCH 5/6] imx: ele_ahab: confirm lifecycle before closing the part

[Ye Li]

Before moving the lifecycle to OEM closed, confirm the lifecycle is
OEM open, otherwise cancel to move forward the lifecycle.

Signed-off-by: Ye Li <ye.li at nxp.com>
Reviewed-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm/mach-imx/ele_ahab.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/mach-imx/ele_ahab.c b/arch/arm/mach-imx/ele_ahab.c
index da8c99b..58b6542 100644
--- a/arch/arm/mach-imx/ele_ahab.c
+++ b/arch/arm/mach-imx/ele_ahab.c
@@ -474,10 +474,20 @@ static int do_ahab_close(struct cmd_tbl *cmdtp, int flag, int argc,
 {
 	int err;
 	u32 resp;
+	u32 lc;
 
 	if (!confirm_close())
 		return -EACCES;
 
+	lc = readl(FSB_BASE_ADDR + 0x41c);
+	lc &= 0x3ff;
+
+	if (lc != 0x8) {
+		puts("Current lifecycle is NOT OEM open, can't move to OEM closed\n");
+		display_life_cycle(lc);
+		return -EPERM;
+	}
+
 	err = ahab_forward_lifecycle(8, &resp);
 	if (err != 0) {
 		printf("Error in forward lifecycle to OEM closed\n");
-- 
2.7.4