您好，我想采用SPI nand启动，但是我根据客服这边的建议将emmc拆除后，贴了spi nand发现无法烧写，img我已经是将系统配置成spi nand的，烧写时log如下，还请帮忙解答一下，谢谢
CCC[2263]fes begin commit:2a3ec52022
[2266]set pll start
[2268]periph0 has been enabled
[2271]set pll end
[2274]PMU: AXP21
[2277]board init ok
[2278]beign to init dram
[2281]DRAM use external ZQ!!
[2283]chip id check OK
[2286]DRAM_VCC set to 1500 mv
[2289]trefi:7.8ms
[2291][AUTO DEBUG] single rank and full DQ!
[2296]trefi:7.8ms
[2298][AUTO DEBUG] rank 0 row = 15
[2301][AUTO DEBUG] rank 0 bank = 8
[2305][AUTO DEBUG] rank 0 page size = 2 KB
[2309]DRAM BOOT DRIVE INFO: V0.16
[2312]DRAM CLK = 936 MHz
[2314]DRAM Type = 3 (2:DDR2,3:DDR3)
[2318]DRAMC ZQ value: 0x7b7bfb
[2320]DRAM ODT value: 0x42.
[2324]DRAM SIZE =512 M
[2326]dram_tpr4:0x0
[2329]DRAM simple test OK.
[2332]rtc standby flag is 0x0, super standby flag is 0x0
[2337]init dram ok
U-Boot 2018.05-00002-g3fa945c-dirty (Aug 12 2023 - 17:06:50 +0800) Allwinner Technology
[04.767]CPU: Allwinner Family
[04.770]Model: sun8iw21
I2C: ready
[04.796]DRAM: 512 MiB
[04.799]Relocation Offset is: 1ced0000
[04.823]secure enable bit: 0
[04.826]PMU: AXP21
[04.828]PMU: pmu_axp2101 found
[04.831]BMU: AXP21
[04.832]BMU: bmu_axp2101 found
FDT ERROR:fdt_get_regulator_name:get property handle twi-supply error:FDT_ERR_INTERNAL
[04.843]gpio_bias, pc_bias: 1800, pc_supply: not set
[04.848]gpio_bias, pl_bias: -1, pl_supply: not set
[04.853]dcdc1_vol = 3300, onoff=1
[04.857]dcdc2_vol = 900, onoff=1
[04.860]dcdc5_vol = 0, onoff=0
[04.863]aldo1_vol = 1800, onoff=1
[04.867]aldo2_vol = 1800, onoff=1
[04.871]aldo3_vol = 3300, onoff=1
[04.874]aldo4_vol = 3300, onoff=1
[04.878]bldo1_vol = 1800, onoff=1
[04.881]bldo2_vol = 2800, onoff=1
[04.885]dldo1_vol = 3300, onoff=1
[04.888]dldo2_vol = 1200, onoff=1
bias_name:pc_bias bias_vol:1800
bias_name:pi_bias bias_vol:1800
[04.898]bat_vol=42, ratio=0
[04.900]safe_vol=3500, safe_ratio=1
[04.904]CPU=900 MHz,PLL6=600 Mhz,AHB=200 Mhz, APB1=24Mhz MBus=300Mhz
[04.910]gic: normal mode
sunxi flash map init
[04.914]flash init start
[04.916]workmode = 16,storage type = 0
try card 2
set card number 2
get card number 2
[04.924][mmc]: mmc driver ver uboot2018:2021-12-20 13:35:00
[04.930][mmc]: get sdc_type fail and use default host:tm4.
[04.936][mmc]: Is not Boot mode!
[04.939][mmc]: SUNXI SDMMC Controller Version:0x50400
[04.950][mmc]: Try SD card 2
[04.956][mmc]: mmc 2 cmd timeout 100 status 100
[04.960][mmc]: smc 2 err, cmd 8, RTO
[04.963][mmc]: mmc 2 close bus gating and reset
[04.968][mmc]: mmc 2 cmd timeout 100 status 100
[04.972][mmc]: smc 2 err, cmd 55, RTO
[04.976][mmc]: mmc 2 close bus gating and reset
[04.980][mmc]: Try MMC card 2
[04.989][mmc]: mmc 2 cmd timeout 100 status 100
[04.993][mmc]: smc 2 err, cmd 1, RTO
[04.996][mmc]: mmc 2 close bus gating and reset
[05.001][mmc]: Card did not respond to voltage select!
[05.005][mmc]: SD/MMC 2 init error!
[05.011][mmc]: mmc init product failed
MMC init failed
try emmc fail
[05.017]sunxi-spinand: AW SPINand MTD Layer Version: 1.8 20220106
[05.023]sunxi-spinand-phy: AW SPINand Phy Layer Version: 1.11 20211217
[05.031]sunxi-spinand-phy: request spi0 gpio ok
[05.035]sunxi-spinand-phy: request general tx dma channel ok!
[05.041]sunxi-spinand-phy: request general rx dma channel ok!
[05.046]sunxi-spinand-phy: set spic0 clk to 20 Mhz
[05.051]sunxi-spinand-phy: init spic0 clk ok
[06.055]sunxi-spinand-phy: read id failed : -110
try nand fail
[06.062]unrecognized JEDEC id bytes: ff, ff, ff
data abort
pc : [<5ff0b60a>] lr : [<5ff0b5f1>]
reloc pc : [<4303b60a>] lr : [<4303b5f1>]
sp : 5de6dc38 ip : 00000003 fp : 43000508
r10: 43031ca9 r9 : 5deafe70 r8 : 5def0678
r7 : 5ff7f308 r6 : ffffffed r5 : 5ff4fbe8 r4 : 5def06c0
r3 : 00002000 r2 : 00000001 r1 : 0000000a r0 : 00000030
Flags: nZCv IRQs on FIQs off Mode SVC_32
CCC[1976]fes begin commit:2a3ec52022
[1979]set pll start
[1981]periph0 has been enabled
[1984]set pll end
[1986]PMU: AXP21
[1989]board init ok
[1991]beign to init dram
[1993]DRAM use external ZQ!!
[1996]chip id check OK
[1999]DRAM_VCC set to 1500 mv
[2002]trefi:7.8ms
[2004][AUTO DEBUG] single rank and full DQ!
[2008]trefi:7.8ms
[2011][AUTO DEBUG] rank 0 row = 15
[2014][AUTO DEBUG] rank 0 bank = 8
[2017][AUTO DEBUG] rank 0 page size = 2 KB
[2021]DRAM BOOT DRIVE INFO: V0.16
[2025]DRAM CLK = 936 MHz
[2027]DRAM Type = 3 (2:DDR2,3:DDR3)
[2030]DRAMC ZQ value: 0x7b7bfb
[2033]DRAM ODT value: 0x42.
[2037]DRAM SIZE =512 M
[2039]dram_tpr4:0x0
[2042]DRAM simple test OK.
[2044]rtc standby flag is 0x0, super standby flag is 0x0
[2050]init dram ok
U-Boot 2018.05-00002-g3fa945c-dirty (Aug 12 2023 - 17:06:50 +0800) Allwinner Technology
[04.461]CPU: Allwinner Family
[04.464]Model: sun8iw21
I2C: ready
[04.490]DRAM: 512 MiB
[04.493]Relocation Offset is: 1ced0000
[04.518]secure enable bit: 0
[04.521]PMU: AXP21
[04.523]PMU: pmu_axp2101 found
[04.525]BMU: AXP21
[04.527]BMU: bmu_axp2101 found
FDT ERROR:fdt_get_regulator_name:get property handle twi-supply error:FDT_ERR_INTERNAL
[04.538]gpio_bias, pc_bias: 1800, pc_supply: not set
[04.543]gpio_bias, pl_bias: -1, pl_supply: not set
[04.548]dcdc1_vol = 3300, onoff=1
[04.552]dcdc2_vol = 900, onoff=1
[04.555]dcdc5_vol = 0, onoff=0
[04.558]aldo1_vol = 1800, onoff=1
[04.562]aldo2_vol = 1800, onoff=1
[04.565]aldo3_vol = 3300, onoff=1
[04.569]aldo4_vol = 3300, onoff=1
[04.572]bldo1_vol = 1800, onoff=1
[04.576]bldo2_vol = 2800, onoff=1
[04.579]dldo1_vol = 3300, onoff=1
[04.583]dldo2_vol = 1200, onoff=1
bias_name:pc_bias bias_vol:1800
bias_name:pi_bias bias_vol:1800
[04.593]bat_vol=634, ratio=0
[04.595]safe_vol=3500, safe_ratio=1
[04.599]CPU=900 MHz,PLL6=600 Mhz,AHB=200 Mhz, APB1=24Mhz MBus=300Mhz
[04.605]gic: normal mode
sunxi flash map init
[04.609]flash init start
[04.611]workmode = 16,storage type = 0
try card 2
set card number 2
get card number 2
[04.619][mmc]: mmc driver ver uboot2018:2021-12-20 13:35:00
[04.624][mmc]: get sdc_type fail and use default host:tm4.
[04.631][mmc]: Is not Boot mode!
[04.634][mmc]: SUNXI SDMMC Controller Version:0x50400
[04.645][mmc]: Try SD card 2
[04.650][mmc]: mmc 2 cmd timeout 100 status 100
[04.654][mmc]: smc 2 err, cmd 8, RTO
[04.658][mmc]: mmc 2 close bus gating and reset
[04.663][mmc]: mmc 2 cmd timeout 100 status 100
[04.667][mmc]: smc 2 err, cmd 55, RTO
[04.670][mmc]: mmc 2 close bus gating and reset
[04.675][mmc]: Try MMC card 2
[04.684][mmc]: mmc 2 cmd timeout 100 status 100
[04.688][mmc]: smc 2 err, cmd 1, RTO
[04.691][mmc]: mmc 2 close bus gating and reset
[04.695][mmc]: Card did not respond to voltage select!
[04.700][mmc]: SD/MMC 2 init error!
[04.705][mmc]: mmc init product failed
MMC init failed
try emmc fail
[04.712]sunxi-spinand: AW SPINand MTD Layer Version: 1.8 20220106
[04.718]sunxi-spinand-phy: AW SPINand Phy Layer Version: 1.11 20211217
[04.726]sunxi-spinand-phy: request spi0 gpio ok
[04.730]sunxi-spinand-phy: request general tx dma channel ok!
[04.736]sunxi-spinand-phy: request general rx dma channel ok!
[04.741]sunxi-spinand-phy: set spic0 clk to 20 Mhz
[04.746]sunxi-spinand-phy: init spic0 clk ok
[05.750]sunxi-spinand-phy: read id failed : -110
try nand fail
[05.757]unrecognized JEDEC id bytes: ff, ff, ff
data abort
pc : [<5ff0b60a>] lr : [<5ff0b5f1>]
reloc pc : [<4303b60a>] lr : [<4303b5f1>]
sp : 5de6dc38 ip : 0000000f fp : 43000508
r10: 43031ca9 r9 : 5deafe70 r8 : 5def0678
r7 : 5ff7f308 r6 : ffffffed r5 : 5ff4fbe8 r4 : 5def06c0
r3 : 00002000 r2 : 00000001 r1 : 0000000a r0 : 00000030
Flags: nZCv IRQs on FIQs off Mode SVC_32
