Hi Love, > We are seeing issue with zynq-zc770-xm011 board with NAND write. > > Below is the log snippet: > > """ > U-Boot 2026.07-rc4-00024-gbc44b6a0aeb0 (Jun 10 2026 - 20:00:05 +0530) > > CPU: Zynq 7z020 > Silicon: v3.1 > Model: Xilinx ZC770 XM011 board > DRAM: ECC disabled 1 GiB > Core: 20 devices, 15 uclasses, devicetree: board > Flash: 0 Bytes > NAND: 128 MiB > MMC: > Loading Environment from nowhere... OK > In: serial@e0001000 > Out: serial@e0001000 > Err: serial@e0001000 > Net: No ethernet found. > U-Boot 2026.07-rc4-00024-gbc44b6a0aeb0 (Jun 10 2026 - 20:00:05 > +0530)CPU: Zynq 7z020Silicon: v3.1Model: Xilinx ZC770 XM011 boardDRAM: > ECC disabled 1 GiBCore: 20 devices, 15 uclasses, devicetree: boardFlash: > 0 BytesNAND: 128 MiBMMC: Loading Environment from nowhere... OKIn: > serial@e0001000Out: serial@e0001000Err: serial@e0001000Net: No ethernet > found. > Hit any key to stop autoboot: 2 > Hit any key to stop autoboot: 0 > Zynq> nand info > nand info > > Device 0: nand0, sector size 128 KiB > Page size 2048 b > OOB size 64 b > Erase size 131072 b > ecc strength 0 bits > ecc step size 2048 b > subpagesize 2048 b > options 0x00000000 > Device 0: nand0, sector size 128 KiB Page size 2048 b OOB size 64 b > Erase size 131072 b ecc strength 0 bits ecc step size 2048 b subpagesize > 2048 b options 0x00000000 bbt options 0x00028000 > Zynq> nand erase.spread 0 0x2000000 > NAND erase.spread: device 0 offset 0x0, size 0x2000000 > Erasing at 0x1fa0000 -- 99% complete. > Erasing at 0x1fe0000 -- 100% complete. > OK > Zynq> nand write 0x80000 0 0x2000000 > > NAND write: device 0 offset 0x0, size 0x2000000 > NAND write to offset 0 failed -5 > """ > > Please have a look.
We reproduced it too. I mostly focused on the read part initially but write support matters too and my colleague Bastien in copy is working on it. Thanks, Miquèl

