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author | Haojian Zhuang <haojian.zhuang@linaro.org> | 2019-09-14 18:01:16 +0800 |
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committer | Haojian Zhuang <haojian.zhuang@linaro.org> | 2019-09-18 18:18:20 +0800 |
commit | f8631f51392f0688c70cfd53dc66422404e00e16 (patch) | |
tree | 81558c0602493f47be62eb7d498bca2278980c31 /docs | |
parent | 6129e9a643274e658a0e6f5428ad976676c7bb7a (diff) |
drivers: partition: support different block size
The block size of some storage device is 4096-byte long, such as UFS. But
PARTITION_BLOCK_SIZE is defined as 512-byte long. So replace it by
PLAT_PARTITION_BLOCK_SIZE. Make it configurable in platform.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Change-Id: Iada05f7c646d0a0f2c0d3b8545540b3cb7153de3
Diffstat (limited to 'docs')
-rw-r--r-- | docs/getting_started/porting-guide.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/getting_started/porting-guide.rst b/docs/getting_started/porting-guide.rst index 5786dd38..97ed1fa4 100644 --- a/docs/getting_started/porting-guide.rst +++ b/docs/getting_started/porting-guide.rst @@ -546,6 +546,13 @@ optionally be defined: PLAT_PARTITION_MAX_ENTRIES := 12 $(eval $(call add_define,PLAT_PARTITION_MAX_ENTRIES)) +- **PLAT_PARTITION_BLOCK_SIZE** + The size of partition block. It could be either 512 bytes or 4096 bytes. + The default value is 512. + `For example, define the build flag in platform.mk`_: + PLAT_PARTITION_BLOCK_SIZE := 4096 + $(eval $(call add_define,PLAT_PARTITION_BLOCK_SIZE)) + The following constant is optional. It should be defined to override the default behaviour of the ``assert()`` function (for example, to save memory). |