From afa3d90c08242790dad21ac27a412067bcbfcb49 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Thu, 4 May 2023 16:50:51 -0600
Subject: [PATCH] x86: Support debug UART in 64-bit mode
The debug UART is already set up in SPL, so there is no need to do
anything here. We must provide the (empty) function though.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---
arch/x86/cpu/x86_64/cpu.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/x86/cpu/x86_64/cpu.c b/arch/x86/cpu/x86_64/cpu.c
index 6a38761291..d1c3873dd6 100644
--- a/arch/x86/cpu/x86_64/cpu.c
+++ b/arch/x86/cpu/x86_64/cpu.c
@@ -50,3 +50,10 @@ int x86_cpu_init_f(void)
{
return 0;
}
+
+#ifdef CONFIG_DEBUG_UART_BOARD_INIT
+void board_debug_uart_init(void)
+{
+ /* this was already done in SPL */
+}
+#endif
--
2.39.5