Support for Enhanced Strobe mode introduced in eMMC 5.1 JESD84-B51
can be determined via EXT_CSD[184]. Along with the identification of
HS400 data rates added in commit 3969aa4804ed ("mmc_cmds: add HS400
data rates"), this allows to differentiate support for HS400/HS400ES.
Signed-off-by: Marius Strobl <marius@xxxxxxxxxxx>
---
mmc_cmds.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/mmc_cmds.c b/mmc_cmds.c
index f024079..508ddad 100644
--- a/mmc_cmds.c
+++ b/mmc_cmds.c
@@ -1628,6 +1628,9 @@ int do_read_extcsd(int nargs, char **argv)
printf("Power class [POWER_CLASS: 0x%02x]\n", ext_csd[187]);
printf("High-speed interface timing [HS_TIMING: 0x%02x]\n",
ext_csd[185]);
+ if (ext_csd_rev >= 8)
+ printf("Enhanced Strobe mode [STROBE_SUPPORT: 0x%02x]\n",
+ ext_csd[184]);
/* bus_width: ext_csd[183] not readable */
printf("Erased memory content [ERASED_MEM_CONT: 0x%02x]\n",
ext_csd[181]);
--
2.31.1
