v821无法烧录nor flash

indream LV 3

[520]set pll start
[522]set pll end
[524]board init ok: use hosc 40M
[527]beign to init dram
[531]DRAM use internal ZQ!!
[534]ZQ value = 0x2f
[536][AUTO DEBUG] single rank and full DQ!
[541][AUTO DEBUG] rank 0 row = 13
[544][AUTO DEBUG] rank 0 bank = 4
[547][AUTO DEBUG] rank 0 page size = 2 KB
[551]DRAM BOOT DRIVE INFO: V1.00
[554]DRAM CLK = 520 MHz
[556]DRAM Type = 2 (2:DDR2,3:DDR3)
[559]DRAMC read ODT off.
[562]DRAM ODT off.
[564]trefi: 7.8us
[566]DRAM Size = 64 MB
[579]DRAM simple test OK.
[581]init dram ok
U-Boot 2018.07 (May 04 2025 - 23:00:00 +0800) Allwinner Technology
[02.095]DRAM:  64 MiB
[02.133]Relocation Offset is: 01f29000, reloc addr is: 83f29000
[02.363]secure enable bit: 0
[02.376]CPU=614 MHz,PERI=3072 Mhz,AHB=192 Mhz, APB=96Mhz
[02.384]sunxi flash map init
SPI ALL:   ready
[02.536]init_clocks:finish
[02.539]flash init start
[02.541]workmode = 16,storage type = 0
sunxi_get_spif_mode()227 - get dtr_mode_enable fail -13
sunxi_get_spif_mode()236 - get io_mode_enable fail -13
[03.064]spif sunxi_slave->max_hz:100000000
[44.439]flash operation timed out

换了一块新的nor flash，能烧一次，断电后第二次又变成这样。

awwwwa LV 8

flash operation timed out

flash 无响应，物料型号是否是在物料表中的支持型号？另外可以尝试降频等操作

indream LV 3

@awwwwa 用的PY25Q256HA，32MB。

awwwwa LV 8

@indream 查看 https://docs.aw-ol.com/docs/soc/v821/sys_module/spi_nor

进行降频，降线测试

indream LV 3

@awwwwa 应该是flash坏了，4个flash坏了3个。第4个成功烧录