[PATCH 1/2] ARM: i.MX: fusemap-ocotp: add sec fuses for i.MX8M

Ahmad Fatoum a.fatoum at pengutronix.de
Mon Oct 2 02:20:42 PDT 2023


From: Rouven Czerwinski <r.czerwinski at pengutronix.de>

For i.MX8M devices, the security config 1 fuse was moved to 0x470[25].
Additionally, all devices except the i.MX8MQ have the DIR_BT_DIS fused
within the factory, see [1].

[1]: https://community.nxp.com/t5/i-MX-Processors/DIR-BT-DIS-and-others/m-p/1220615/highlight/true#M168363

Signed-off-by: Rouven Czerwinski <r.czerwinski at pengutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
 include/mach/imx/ocotp-fusemap.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/mach/imx/ocotp-fusemap.h b/include/mach/imx/ocotp-fusemap.h
index 6ba794c16619..02ac5d8e73bb 100644
--- a/include/mach/imx/ocotp-fusemap.h
+++ b/include/mach/imx/ocotp-fusemap.h
@@ -53,5 +53,9 @@
 #define OCOTP_GP1			(OCOTP_WORD(0x660) | OCOTP_BIT(0) | OCOTP_WIDTH(32))
 #define OCOTP_GP2			(OCOTP_WORD(0x670) | OCOTP_BIT(0) | OCOTP_WIDTH(32))
 #define OCOTP_PAD_SETTINGS		(OCOTP_WORD(0x6d0) | OCOTP_BIT(0) | OCOTP_WIDTH(6))
+/* i.MX8M moved the security related fuses */
+#define MX8M_OCOTP_SEC_CONFIG_1		(OCOTP_WORD(0x470) | OCOTP_BIT(25) | OCOTP_WIDTH(1))
+/* Only MX8MQ requires fusing of DIR_BT_DIS */
+#define MX8MQ_OCOTP_DIR_BT_DIS		(OCOTP_WORD(0x470) | OCOTP_BIT(27) | OCOTP_WIDTH(1))
 
 #endif /* __MACH_IMX_OCOTP_FUSEMAP_H */
-- 
2.39.2




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