[PATCH v2 2/3] m68k: m680x0: Initialise the debug uart

Daniel Palmer daniel at 0x0f.com
Mon Mar 9 11:51:09 CET 2026


Once the stack is ready we can init the debug uart to help
with debugging so do that.

Signed-off-by: Daniel Palmer <daniel at 0x0f.com>
---
 arch/m68k/cpu/m680x0/start.S | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/m68k/cpu/m680x0/start.S b/arch/m68k/cpu/m680x0/start.S
index 0802ca1fca2c..fdfcd66f7785 100644
--- a/arch/m68k/cpu/m680x0/start.S
+++ b/arch/m68k/cpu/m680x0/start.S
@@ -42,6 +42,11 @@ ENTRY(_start)
 	/* Setup initial stack pointer */
 	move.l	#CFG_SYS_INIT_SP_ADDR, %sp
 
+	/* Setup the debug uart if enabled */
+#ifdef CONFIG_DEBUG_UART
+	bsr.l	debug_uart_init
+#endif
+
 	/*
 	 * Allocate Global Data (GD)
 	 * board_init_f_alloc_reserve(top) returns the new top of stack in %d0
-- 
2.51.0



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