[PATCH v3 07/17] x86: Support debug UART in 64-bit mode

[Simon Glass]

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 at chromium.org>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---

(no changes since v1)

 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 6a387612916..d1c3873dd6a 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
-- 
2.40.1.521.gf1e218fcd8-goog