[meta-xilinx] Is qspi-nor flash broken in meta-xilinx layer for zcu102-zynqmp?

[Martin Lund]

Hi,

Is the qspi-nor flash feature broken in the meta-xilinx layer for zcu102-zynqmp ?

We've been trying to test and verify the qspi-nor flash feature on a ZynqMP zcu102 rev 1.0 development board only to find out that basic reading/writing to the qspi-nor flash is failing.

We are building and testing with core-image-minimal on latest rocko branch (commit 7935ef724c, stock/clean meta-xilinx, no petalinux) with the following patch/fix added to avoid the zynqmp_clk_get_periphial_rate error which prevents the u-boot SPL from booting:
https://lists.yoctoproject.org/pipermail/meta-xilinx/2017-December/003464.html

This is how we test and see the qspi-flash fail:

root at zcu102-zynqmp:~# cat /proc/mtd
dev:    size   erasesize  name
mtd0: 00100000 00002000 "qspi-fsbl-uboot"
mtd1: 00500000 00002000 "qspi-linux"
mtd2: 00020000 00002000 "qspi-device-tree"
mtd3: 005e0000 00002000 "qspi-rootfs"

root at zcu102-zynqmp:~# flash_erase /dev/mtd3 0 0
Erasing 8 Kibyte @ 2000 --  0 % complete [  103.966880] random: crng init done
Erasing 8 Kibyte @ 5de000 -- 100 % complete

root at zcu102-zynqmp:~# dd if=/dev/urandom of=./sample.bin bs=1024 count=4096
4096+0 records in
4096+0 records out

root at zcu102-zynqmp:~# flashcp -v ./sample.bin /dev/mtd3
Erasing blocks: 512/512 (100%)
Writing data: 4096k/4096k (100%)
Verifying data: 10k/4096k (0%)File does not seem to match flash data. First mismatch at 0x00000000-0x00002800

Any ideas what might be wrong in the meta-xilinx layer that would make the qpsi-nor flash fail like that?

Thanks.

/Martin