From: Simon Glass <sjg@chromium.org>
Date: Thu, 4 May 2023 22:50:51 +0000 (-0600)
Subject: x86: Support debug UART in 64-bit mode
X-Git-Url: http://git.dujemihanovic.xyz/html/static/git-logo.png?a=commitdiff_plain;h=afa3d90c08242790dad21ac27a412067bcbfcb49;p=u-boot.git

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>
---

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