diff options
| author | Jean-Jacques Hiblot <jjhiblot@ti.com> | 2017-09-21 16:30:12 +0200 |
|---|---|---|
| committer | Jaehoon Chung <jh80.chung@samsung.com> | 2018-01-12 18:11:04 +0900 |
| commit | 9815e3ba807ddf395631be35629498e55af02fa0 (patch) | |
| tree | eccdc7d8f66570c4338da59ce27931bbea32b37f /include/mmc.h | |
| parent | bc1e3272ff3437f7cfc5e8bf1d1f2767f6d78262 (diff) | |
| download | u-boot-9815e3ba807ddf395631be35629498e55af02fa0.tar.gz | |
mmc: add a library function to send tuning command
HS200/SDR104 requires tuning command to be sent to the card.
Add a simple function to send tuning command and to read and
compare the received data with the tuning block pattern.
This function can be used by platform driver to perform DLL
tuning.
This patch is similar to
commit 996903de92f0 ("mmc: core: add core-level function for
sending tuning commands") added in linux kernel.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Diffstat (limited to 'include/mmc.h')
| -rw-r--r-- | include/mmc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/mmc.h b/include/mmc.h index c11f69859e..79be6b4bc3 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -650,6 +650,7 @@ void mmc_destroy(struct mmc *mmc); int mmc_unbind(struct udevice *dev); int mmc_initialize(bd_t *bis); int mmc_init(struct mmc *mmc); +int mmc_send_tuning(struct mmc *mmc, u32 opcode, int *cmd_error); int mmc_read(struct mmc *mmc, u64 src, uchar *dst, int size); /** |