[PATCH v3 09/12] imx: ele_ahab: Implement display_life_cycle() for i.MX95
Alice Guo (OSS)
alice.guo at oss.nxp.com
Tue Sep 23 04:15:01 CEST 2025
From: Ye Li <ye.li at nxp.com>
The register reflects lifecycle and some lifecycle-derived state of
i.MX95 has new offset address and layout, so display_life_cycle() is
added specifically for it.
Signed-off-by: Ye Li <ye.li at nxp.com>
Signed-off-by: Alice Guo <alice.guo at nxp.com>
Reviewed-by: Peng Fan <peng.fan at nxp.com>
---
arch/arm/mach-imx/ele_ahab.c | 55 +++++++++++++++++++++++++++++++++++++++++---
1 file changed, 52 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-imx/ele_ahab.c b/arch/arm/mach-imx/ele_ahab.c
index 647daeb6562..39aba65d29e 100644
--- a/arch/arm/mach-imx/ele_ahab.c
+++ b/arch/arm/mach-imx/ele_ahab.c
@@ -411,6 +411,54 @@ static int do_authenticate(struct cmd_tbl *cmdtp, int flag, int argc,
return CMD_RET_SUCCESS;
}
+#if IS_ENABLED(CONFIG_IMX95)
+#define FSB_LC_OFFSET 0x414
+#define LC_OEM_OPEN 0x10
+static void display_life_cycle(u32 lc)
+{
+ printf("Lifecycle: 0x%08X, ", lc);
+ switch (lc) {
+ case 0x1:
+ printf("BLANK\n\n");
+ break;
+ case 0x2:
+ printf("FAB Default\n\n");
+ break;
+ case 0x4:
+ printf("FAB\n\n");
+ break;
+ case 0x8:
+ printf("NXP Provisioned\n\n");
+ break;
+ case 0x10:
+ printf("OEM Open\n\n");
+ break;
+ case 0x20:
+ printf("OEM secure world closed\n\n");
+ break;
+ case 0x40:
+ printf("OEM closed\n\n");
+ break;
+ case 0x80:
+ printf("OEM Locked\n\n");
+ break;
+ case 0x100:
+ printf("Field Return OEM\n\n");
+ break;
+ case 0x200:
+ printf("Field Return NXP\n\n");
+ break;
+ case 0x400:
+ printf("BRICKED\n\n");
+ break;
+ default:
+ printf("Unknown\n\n");
+ break;
+ }
+}
+#else
+#define FSB_LC_OFFSET 0x41c
+#define LC_OEM_OPEN 0x8
static void display_life_cycle(u32 lc)
{
printf("Lifecycle: 0x%08X, ", lc);
@@ -447,6 +495,7 @@ static void display_life_cycle(u32 lc)
break;
}
}
+#endif
static int confirm_close(void)
{
@@ -474,10 +523,10 @@ static int do_ahab_close(struct cmd_tbl *cmdtp, int flag, int argc,
if (!confirm_close())
return -EACCES;
- lc = readl(FSB_BASE_ADDR + 0x41c);
+ lc = readl(FSB_BASE_ADDR + FSB_LC_OFFSET);
lc &= 0x3ff;
- if (lc != 0x8) {
+ if (lc != LC_OEM_OPEN) {
puts("Current lifecycle is NOT OEM open, can't move to OEM closed\n");
display_life_cycle(lc);
return -EPERM;
@@ -540,7 +589,7 @@ static int do_ahab_status(struct cmd_tbl *cmdtp, int flag, int argc, char *const
u32 cnt = AHAB_MAX_EVENTS;
int ret;
- lc = readl(FSB_BASE_ADDR + 0x41c);
+ lc = readl(FSB_BASE_ADDR + FSB_LC_OFFSET);
lc &= 0x3ff;
display_life_cycle(lc);
--
2.43.0
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