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nios2: set up the debug UART early

PATCH New Thomas Chou 2 participants 3 messages Dec 30, 2015 – Feb 6, 2016 NIOS2 architecture

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PATCH 1/1 nios2: set up the debug UART early

Set up the debug UART early if enabled, so that it is ready to use.

---
 arch/nios2/cpu/start.S | 7 +++++++
 1 file changed, 7 insertions(+)
arch/nios2/cpu/start.S +7 -0
index 54787c5..1caee0c 100644
@@ -106,6 +106,13 @@ _reloc:
 	stw	r0, 4(sp)
 	mov	fp, sp
 
+#ifdef CONFIG_DEBUG_UART
+	/* Set up the debug UART */
+	movhi	r2, %hi(debug_uart_init at h)
+	ori	r2, r2, %lo(debug_uart_init at h)
+	callr	r2
+#endif
+
 	/* Allocate and zero GD, update SP */
 	mov	r4, sp
 	movhi	r2, %hi(board_init_f_mem at h)
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