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authorZheng Bao <fishbaozi@gmail.com>2015-12-07 23:01:07 +0800
committerZheng Bao <zheng.bao@amd.com>2015-12-09 02:17:08 +0100
commit1fa28095612aa1f5d2f7ae99a2137fa79fbefa9b (patch)
treef50c90d41c206e732eedc71f36ea39ed46369d2a /src
parent9731119b32ce4a5e0498cb20f47aad5069717c55 (diff)
downloadcoreboot-1fa28095612aa1f5d2f7ae99a2137fa79fbefa9b.tar.xz
AMD/bettong: Add missing uart.c for UART
Change-Id: Ie49732c6874f2b443e314eb3412ddee054d9c0bb Signed-off-by: Zheng Bao <fishbaozi@gmail.com> Reviewed-on: https://review.coreboot.org/12669 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/southbridge/amd/pi/hudson/uart.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/southbridge/amd/pi/hudson/uart.c b/src/southbridge/amd/pi/hudson/uart.c
new file mode 100644
index 0000000000..5d88204f33
--- /dev/null
+++ b/src/southbridge/amd/pi/hudson/uart.c
@@ -0,0 +1,26 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <console/uart.h>
+
+uintptr_t uart_platform_base(int idx)
+{
+ return (uintptr_t)(0xFEDC6000 + 0x2000 * (idx & 1));
+}
+
+unsigned int uart_platform_refclk(void)
+{
+ return 48000000;
+}