I am using sdk ti-processor-sdk-rtos-j721e-evm-08_00_00_12.
I stop u-boot counting when u-boot start.Then I start to use sf command (of u-boot).
But it shows sf probe error and sf erase error:
U-Boot SPL 2021.01-dirty (Oct 27 2021 - 21:53:18 -0700)
Model: Texas Instruments K3 J721E SoC
Board: J721EX-EAIK rev E2
SYSFW ABI: 3.1 (firmware rev 0x0015 '21.5.0--v2021.05 (Terrific Llam')
Trying to boot from MMC2
Starting ATF on ARM64 core...
NOTICE: BL31: v2.5(release):08.00.00.004-dirty
NOTICE: BL31: Built : 22:30:09, Aug 4 2021
U-Boot SPL 2021.01-dirty (Oct 27 2021 - 21:53:12 -0700)
Model: Texas Instruments K3 J721E SoC
Board: J721EX-EAIK rev E2
SYSFW ABI: 3.1 (firmware rev 0x0015 '21.5.0--v2021.05 (Terrific Llam')
Trying to boot from MMC2
U-Boot 2021.01-dirty (Oct 27 2021 - 21:53:12 -0700)
SoC: J721E SR2.0
Model: Texas Instruments K3 J721E SoC
Board: J721EX-EAIK rev E2
DRAM: 4 GiB
Flash: 0 Bytes
MMC: sdhci@4f80000: 0, sdhci@4fb0000: 1
In: serial@2800000
Out: serial@2800000
Err: serial@2800000
Net: am65_cpsw_nuss_slave ethernet@46000000: K3 CPSW: nuss_ver: 0x6BA00101 cpsw_ver: 0x6BA80100 ale_ver: 0x00293904 Ports:1 mdio_freq:1000000
eth0: ethernet@46000000
Hit any key to stop autoboot: 0
=> sf probe
cadence_spi spi@47040000: Can't get reset: -2
jedec_spi_nor flash@0: non-uniform erase sector maps are not supported yet.
k3-navss-ringacc ringacc@2b800000: Ring Accelerator probed rings:286, gp-rings[96,20] sci-dev-id:235
k3-navss-ringacc ringacc@2b800000: dma-ring-reset-quirk: disabled
SF: Detected s28hs512t with page size 256 Bytes, erase size 256 KiB, total 64 MiB
=> sf erase 0 20000
SF: 131072 bytes @ 0x0 Erased: ERROR
=>
Could anyone tell me what is wrong with the software(or hardware) configuration?
