Decode EXT_CSD of eMMC 5.0 device
Display new attributes in Extended CSD register introduced by eMMC 5.0:
'mmc extcsd read /dev/mmcblk0' returns for eMMC 5.0 device:
=============================================
Extended CSD rev 1.7 (MMC 5.0)
=============================================
Card Supported Command sets [S_CMD_SET: 0x01]
...
Extended partition attribute support [EXT_SUPPORT: 0x03]
Supported modes [SUPPORTED_MODES: 0x01]
FFU features [FFU_FEATURES: 0x00]
Operation codes timeout [OPERATION_CODE_TIMEOUT: 0x00]
FFU Argument [FFU_ARG: 0x00000000]
Number of FW sectors correctly programmed [NUMBER_OF_FW_SECTORS_CORRECTLY_PROGRAMMED: 0]
Vendor proprietary health report:
[VENDOR_PROPRIETARY_HEALTH_REPORT[301]]: 0x00
...
[VENDOR_PROPRIETARY_HEALTH_REPORT[270]]: 0x00
Device life time estimation type B [DEVICE_LIFE_TIME_EST_TYP_B: 0x01]
i.e. 0% - 10% device life time used
Device life time estimation type B [DEVICE_LIFE_TIME_EST_TYP_A: 0x01]
i.e. 0% - 10% device life time used
Pre EOL information [PRE_EOL_INFO: 0x01]
i.e. Normal
Optimal read size [OPTIMAL_READ_SIZE: 0x00]
Optimal write size [OPTIMAL_WRITE_SIZE: 0x10]
Optimal trim unit size [OPTIMAL_TRIM_UNIT_SIZE: 0x01]
Device version [DEVICE_VERSION: 0x00 - 0x00]
Firmware version:
[FIRMWARE_VERSION[261]]: 0x00
...
[FIRMWARE_VERSION[254]]: 0x05
Power class for 200MHz, DDR at VCC= 3.6V [PWR_CL_DDR_200_360: 0x00]
Generic CMD6 Timer [GENERIC_CMD6_TIME: 0x0a]
Power off notification [POWER_OFF_LONG_TIME: 0x3c]
Cache Size [CACHE_SIZE] is 65536 KiB
...
BUG=None
TEST=No impact on pre eMMC 5.0 device
TEST=Decode properly a 5.0 device.
Change-Id: Iac7c6ca672b5932cd4bd25943e4ec8d9690bd2bc
Reviewed-on: https://chromium-review.googlesource.com/184175
Reviewed-by: Grant Grundler <grundler@chromium.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Commit-Queue: Gwendal Grignou <gwendal@chromium.org>
1 file changed
