[mynewt-core] branch master updated: mynewt-core/system_cmac: Suppress a meta-stability issue from raising a false error condition towards the controller (mainly observed in GF).

[andk]

This is an automated email from the ASF dual-hosted git repository.

andk pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/mynewt-core.git


The following commit(s) were added to refs/heads/master by this push:
     new 2d6cbf84f mynewt-core/system_cmac: Suppress a meta-stability issue 
from raising a false error condition towards the controller (mainly observed in 
GF).
2d6cbf84f is described below

commit 2d6cbf84fab6cd4942463879eb3260137062ced5
Author: ikaracha <ioannis.karachalios...@renesas.com>
AuthorDate: Mon May 8 14:56:24 2023 +0300

    mynewt-core/system_cmac: Suppress a meta-stability issue from raising a 
false error condition towards the controller (mainly observed in GF).
---
 hw/mcu/dialog/cmac/src/system_cmac.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/hw/mcu/dialog/cmac/src/system_cmac.c 
b/hw/mcu/dialog/cmac/src/system_cmac.c
index c0af58446..ec83c963c 100644
--- a/hw/mcu/dialog/cmac/src/system_cmac.c
+++ b/hw/mcu/dialog/cmac/src/system_cmac.c
@@ -28,6 +28,14 @@
 #include <ipc_cmac/diag.h>
 #include "CMAC.h"
 
+static inline void
+set_reg32_bits(uint32_t addr, uint32_t mask, uint32_t val)
+{
+    volatile uint32_t *reg = (volatile uint32_t *)addr;
+
+    *reg = (*reg & (~mask)) | (val << __builtin_ctz(mask));
+}
+
 void
 SystemInit(void)
 {
@@ -51,4 +59,6 @@ SystemInit(void)
     CMAC->CM_CTRL_REG |= CMAC_CM_CTRL_REG_CM_BS_ENABLE_Msk;
 
     cmac_timer_init();
+
+    set_reg32_bits(0x40000904, 0x0004, 1);
 }