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soc/mediatek/common: Get storage type from mainboard

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Add common definitions and `mainboard_get_storage_type` API for
determining the storage type from mainboard.

TEST=emerge-rauru coreboot

Change-Id: I5dba2b54b29a701b825fb9bfcac74eb45a563d71
Signed-off-by: Yidi Lin <yidilin@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85878
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Yidi Lin 2025-01-07 14:48:22 +08:00
commit 8a62f239bd
1 changed files with 24 additions and 0 deletions
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src/soc/mediatek/common/include/soc/storage.h Normal file
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/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
#ifndef SOC_MEDIATEK_COMMON_STORAGE_H
#define SOC_MEDIATEK_COMMON_STORAGE_H
/* Bits [31:28] for base type (e.g. UFS, NVMe). */
#define _BASE_TYPE_SHIFT 28
#define _BASE_TYPE_MASK (0xf << _BASE_TYPE_SHIFT)
#define _BASE_TYPE(x) (((x) & 0xf) << _BASE_TYPE_SHIFT)
#define _BASE_TYPE_UFS _BASE_TYPE(0x1)
#define _BASE_TYPE_NVME _BASE_TYPE(0x2)
enum mtk_storage_type {
STORAGE_UNKNOWN = 0,
STORAGE_UFS_31 = _BASE_TYPE_UFS | 0x310,
STORAGE_UFS_40 = _BASE_TYPE_UFS | 0x400,
STORAGE_UFS_40_HS = _BASE_TYPE_UFS | 0x401,
STORAGE_NVME = _BASE_TYPE_NVME,
};
enum mtk_storage_type mainboard_get_storage_type(void);
#endif /* SOC_MEDIATEK_COMMON_STORAGE_H */