From 362a73409103ae076172ea58f3f1c1a8fbdc6b00 Mon Sep 17 00:00:00 2001 From: Tristan Shieh Date: Wed, 6 Jun 2018 14:03:22 +0800 Subject: mediatek: Move uart, timer and cbmem code to a common directory. This patch moves uart, timer and cbmem code which can be reused into a common directory under soc/mediatek. BUG=b:80501386 BRANCH=none TEST=the refactored code works fine on the new platform (with the rest of the patches applied) and Elm platform Change-Id: I5210149b324947ee90f1a481b42f0e2e1f7cfc25 Signed-off-by: Tristan Shieh Reviewed-on: https://review.coreboot.org/26658 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi Reviewed-by: Hung-Te Lin --- src/soc/mediatek/common/cbmem.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 src/soc/mediatek/common/cbmem.c (limited to 'src/soc/mediatek/common/cbmem.c') diff --git a/src/soc/mediatek/common/cbmem.c b/src/soc/mediatek/common/cbmem.c new file mode 100644 index 0000000000..8906565bd5 --- /dev/null +++ b/src/soc/mediatek/common/cbmem.c @@ -0,0 +1,27 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 MediaTek 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 +#include +#include +#include +#include + +#define MAX_DRAM_ADDRESS ((uintptr_t)4 * GiB) + +void *cbmem_top(void) +{ + return (void *)min((uintptr_t)_dram + sdram_size(), MAX_DRAM_ADDRESS); +} -- cgit v1.2.3