[rtems commit] bsps/imxrt: Make chip start code chip specific

[Christian Mauderer]

Module:    rtems
Branch:    master
Commit:    c1a949745f9dfc35e633daf39fad746ba968e56b
Changeset: http://git.rtems.org/rtems/commit/?id=c1a949745f9dfc35e633daf39fad746ba968e56b

Author:    Christian Mauderer <christian.mauderer at embedded-brains.de>
Date:      Thu May  4 14:55:24 2023 +0200

bsps/imxrt: Make chip start code chip specific

Some parts of the startup code don't apply for all chips. Make that part
chip specific.

---

 bsps/arm/imxrt/start/bspstart.c      | 4 ++++
 bsps/arm/imxrt/start/bspstarthooks.c | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/bsps/arm/imxrt/start/bspstart.c b/bsps/arm/imxrt/start/bspstart.c
index a2c73c74bf..7398ffbe73 100644
--- a/bsps/arm/imxrt/start/bspstart.c
+++ b/bsps/arm/imxrt/start/bspstart.c
@@ -47,6 +47,7 @@ uint32_t imxrt_systick_frequency(void)
 
 static void imxrt_disable_wait_mode(void)
 {
+#if IMXRT_IS_MIMXRT10xx
   /*
    * Prevent processor from entering WAIT or SLEEP mode when a WFI is executed.
    * This would switch off the normal interrupt controller and activate an
@@ -58,6 +59,9 @@ static void imxrt_disable_wait_mode(void)
    * every WFI.
    */
   CLOCK_SetMode(kCLOCK_ModeRun);
+#else
+  #error Disabling wait mode not implemented for this chip.
+#endif
 }
 
 void bsp_start(void)
diff --git a/bsps/arm/imxrt/start/bspstarthooks.c b/bsps/arm/imxrt/start/bspstarthooks.c
index f9c4299ad7..4814373641 100644
--- a/bsps/arm/imxrt/start/bspstarthooks.c
+++ b/bsps/arm/imxrt/start/bspstarthooks.c
@@ -58,9 +58,11 @@ BSP_START_TEXT_SECTION void bsp_start_hook_1(void)
   BOARD_BootClockRUN();
   BOARD_InitDEBUG_UARTPins();
 
+#if IMXRT_IS_MIMXRT10xx
   /* Reduce frequency for I2C */
   CLOCK_SetDiv(kCLOCK_Lpi2cDiv, 5);
 
   /* Enable EDMA clock. We initialize the EDMA so we need the clock. */
   CLOCK_EnableClock(kCLOCK_Dma);
+#endif
 }