DS2460 not found
环境：A40i核心板+底板问题：透过OTC烧写自带景象后出现问题。
现象：
U-Boot 2014.07 (Jul 15 2021 - 00:53:26) Allwinner Technology
uboot commit : 815a1545d722876498d1bdd36e4e2a81cedb0588
i2c_init: by cpux
i2c_init ok
[ 0.349]pmbus: ready
[ 0.364]PMU: AXP221
[ 0.364]PMU: AXP22x found
[ 0.366]PMU: dcdc2 1160
[ 0.366]PMU: cpux 1008 Mhz,AXI=336 Mhz
PLL6=600 Mhz,AHB1=200 Mhz, APB1=100MhzMBus=400Mhz
set power on vol to default
dcdc1_vol = 3300, onoff=1
dcdc2_vol = 1160, onoff=1
dcdc3_vol = 1200, onoff=1
dcdc4_vol = 1100, onoff=0
aldo1_vol = 3300, onoff=1
aldo2_vol = 1800, onoff=1
aldo3_vol = 3000, onoff=1
dc1sw_vol = 3000, onoff=0
dc5ldo_vol = 1100, onoff=0
dldo1_vol = 3300, onoff=1
dldo2_vol = 3300, onoff=0
dldo3_vol = 3300, onoff=0
dldo4_vol = 2500, onoff=1
eldo1_vol = 2800, onoff=0
eldo2_vol = 1200, onoff=1
eldo3_vol = 2800, onoff=1
gpio0_vol = 3300, onoff=1
gpio1_vol = 3300, onoff=1
find power_sply to end
vbus exist
run key detect
no key found
no uart input
DRAM:1 GiB
fdt addr: 0x76e85138
Relocation Offset is: 35edc000
In: serial
Out: serial
Err: serial
gic: normal mode
[ 0.518]start
drv_disp_init
init_clocks: finish init_clocks.
pwm_request: reg = 0x1c23400. pwm = 1.
request pwm success, pwm = 1.
tv_init:
tv_probe:000
tv0 have no type1
tv0 have no type2
tv0 have no type3
no report hpd work,you need support the switch class!
screen 0 don't support TV!
screen 1 don't support TV!
screen 0 do not support VGA TYPE!
screen 1 do not support VGA TYPE!
tv_init:
drv_disp_init finish
fetch script data boot_disp.output_disp fail
fetch script data boot_disp.output_type fail
fetch script data boot_disp.output_mode fail
fetch script data boot_disp.auto_hpd fail
disp0 device type(1) enable
disp 0, clk: pll(312000000),clk(312000000),dclk(52000000) dsi_rate(52000000)
clk real:pll(600000000),clk(314181818),dclk(78545454) dsi_rate(150000000)
enable power vcc-lcd, ret=0
[ 1.318]end
workmode = 0,storage type = 2
[ 1.318]MMC: 2
: mmc driver ver 2016-07-01 15:50:00
Could not read addr=40 the EEPROM; something fundamentally wrong on the I2C bus.
DS2460 not found!!!
WARNING:Please contact Forlinx
WARNING:Please contact Forlinx 您联系一下我们销售，您用的资料和开发板不对应的
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