[PATCH v2 1/6] ARM: i.MX6QDL: add imxcfg helper to configure the TZASC1/2

Marco Felsch m.felsch at pengutronix.de
Thu Jun 26 07:45:22 PDT 2025


On i.MX6 platforms we need to set the bypass mode within the DCD unlike
the i.MX8M platforms which uses the PBL lowlevel code
(imx8m_tzc380_init()).

Add a helper for this to make the integration easier.

Reviewed-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
---
Changelog:
v2:
- Add Ahmad r-b
- Change subject

 include/mach/imx/imx6q-tzasc.h | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 include/mach/imx/imx6q-tzasc.h

diff --git a/include/mach/imx/imx6q-tzasc.h b/include/mach/imx/imx6q-tzasc.h
new file mode 100644
index 000000000000..968b17d5ec3f
--- /dev/null
+++ b/include/mach/imx/imx6q-tzasc.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Per default all clocks are on, except for TZASC1/2 CG11/2, so enable them
+ * before activate the modules (disable the bypass mode).
+ */
+wm 32 0x020c4070 0xffffffff
+/* Disable TZASC1/2 bypass */
+wm 32 0x020E0024 0x00000003
-- 
2.39.5




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