brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-06-09 23:36:03 +09:00
Code Issues Projects Releases Wiki Activity

mmc: add a hs400_tuning flag

Browse Source 
Some controllers may have difference between HS200 tuning
and HS400 tuning, such as different registers setting,
different procedure, or different errata.

This patch is to add a hs400_tuning flag to identify the
tuning for HS400 mode.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
This commit is contained in:
Yangbo Lu 2020-09-01 16:58:03 +08:00 committed by Peng Fan
parent 1b5f0ba7a5
commit 8c96880814
2 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/mmc/mmc.c
View File

@ -1982,7 +1982,9 @@ static int mmc_select_hs400(struct mmc *mmc)
mmc_set_clock(mmc, mmc->tran_speed, false);
/* execute tuning if needed */
mmc->hs400_tuning = 1;
err = mmc_execute_tuning(mmc, MMC_CMD_SEND_TUNING_BLOCK_HS200);
mmc->hs400_tuning = 0;
if (err) {
debug("tuning failed\n");
return err;

1
include/mmc.h
View File

@ -707,6 +707,7 @@ struct mmc {
* accessing the boot partitions
*/
u32 quirks;
u8 hs400_tuning;
};
struct mmc_hwpart_conf {