Zheng Bao (zheng.bao@amd.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/12669
-gerrit
commit 5f05aef81542996384b85059031d7d7f4661fc31 Author: Zheng Bao fishbaozi@gmail.com Date: Mon Dec 7 23:01:07 2015 +0800
AMD/bettong: Add missing uart.c for UART
Change-Id: Ie49732c6874f2b443e314eb3412ddee054d9c0bb Signed-off-by: Zheng Bao fishbaozi@gmail.com --- src/southbridge/amd/pi/hudson/uart.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/src/southbridge/amd/pi/hudson/uart.c b/src/southbridge/amd/pi/hudson/uart.c new file mode 100644 index 0000000..5d88204 --- /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; +}