diff options
author | Tristan Shieh <tristan.shieh@mediatek.com> | 2018-06-06 14:03:22 +0800 |
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committer | Patrick Georgi <pgeorgi@google.com> | 2018-06-07 11:08:48 +0000 |
commit | 362a73409103ae076172ea58f3f1c1a8fbdc6b00 (patch) | |
tree | 3b20e392bbbc3fcea1e18bcaf71988ac38ef55e3 /src/soc/mediatek/common/cbmem.c | |
parent | 4c8d4872a56ea99feb3397619927db360b2f6339 (diff) | |
download | coreboot-362a73409103ae076172ea58f3f1c1a8fbdc6b00.tar.xz |
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 <tristan.shieh@mediatek.com>
Reviewed-on: https://review.coreboot.org/26658
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Diffstat (limited to 'src/soc/mediatek/common/cbmem.c')
-rw-r--r-- | src/soc/mediatek/common/cbmem.c | 27 |
1 files changed, 27 insertions, 0 deletions
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 <cbmem.h> +#include <stddef.h> +#include <stdlib.h> +#include <symbols.h> +#include <soc/emi.h> + +#define MAX_DRAM_ADDRESS ((uintptr_t)4 * GiB) + +void *cbmem_top(void) +{ + return (void *)min((uintptr_t)_dram + sdram_size(), MAX_DRAM_ADDRESS); +} |