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串口控制台打印一下信息， HELLO! BOOT0 is starting! [ 0.35]HELLO! BOOT0 is starting! [ 0.39]boot0 commit : b58d49ff80aa5ff8865ab68aa2463d4ee0fe1e7d [ 0.46]boot0 version : 4.0 [ 0.50]set pll start [ 0.54]set pll end [ 0.89]rtc[0] value = 0x00000000 [ 0.92]rtc[1] value = 0x00000000 [ 0.95]rtc[2] value = 0x00000000 [ 0.98]rtc[3] value = 0x00000000 [ 0.102]rtc[4] value = 0x00000000 [ 0.105]rtc[5] value = 0x00000000 [ 0.108]DRAMC IS FOUR [ 0.111]DRAM BOOT DRIVE INFO: V1.1 [ 0.114]Found A40 [ 0.116]Found A40 [ 0.118]Found A40 [ 0.120]Found A40 [ 0.122]Found A40 [ 0.128]PMU: [ 0.129]AXP221 [ 0.131]ddr voltage = 1500 mv [ 0.134]DRAM CLK =576 MHZ [ 0.137]DRAM Type =3 (2:DDR2,3:DDR3,6:LPDDR2,7:LPDDR3) [ 0.142]DRAM zq value: 0x003b3bfb [ 0.148]DRAM SIZE =1024 M [ 0.151]DRAM ** test OK. [ 0.153]dram size =1024 [ 0.156]rtc standby flag is 0x00000000, super standby flag is 0x00000000 [ 0.164]card no is 2 [ 0.166]sdcard 2 line count 8 [ 0.169][mmc]: mmc driver ver 2016-07-01 15:30 [ 0.173][mmc]: wrong freq 2 at spd md 2 [ 0.186][mmc]: ***Try MMC card 2*** [ 0.202][mmc]: MMC 5.0 [ 0.204][mmc]: HSSDR52/SDR25 8 bit [ 0.208][mmc]: 50000000 Hz [ 0.211][mmc]: 7264 MB [ 0.213][mmc]: ***SD/MMC 2 init OK!!!*** [ 0.287]Succeed in loading uboot from sdmmc flash. [ 0.292]Entry_name = u-boot [ 0.307]Ready to disable icache. [ 0.311]0xffffffff 0xffffffff [ 0.314]0xffffffff 0xffffffff [ 0.317]0xffffffff 0xffffffff [ 0.320]0xffffffff 0xffffffff [ 0.323]0xffffffff 0xffffffff [ 0.326]0xffffffff 0xffffffff [ 0.329]Jump to secend Boot. U-Boot 2014.07 (Oct 08 2019 - 09:29:14) Allwinner Technology uboot commit : 65b7504a61af7d8b06d7afd9b75cb593144fdcc8 i2c_init: by cpux i2c_init ok [ 0.344]pmbus: ready [ 0.358]PMU: AXP221 [ 0.358]PMU: AXP22x found [ 0.359]PMU: dcdc2 1160 [ 0.360]PMU: cpux 1008 Mhz,AXI=336 Mhz PLL6=600 Mhz,AHB1=200 Mhz, APB1=100Mhz MBus=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: 0x76e8fcd8 Relocation Offset is: 35ee6000 In: serial Out: serial Err: serial gic: normal mode [ 0.511]start drv_disp_init init_clocks: finish init_clocks. pwm_request: reg = 0x1c23400. pwm = 0. request pwm success, pwm = 0. 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(306000000),clk(306000000),dclk(51000000) dsi_rate(306000000) clk real:pll(308571428),clk(308571428),dclk(51428571) dsi_rate(0) enable power vcc-lcd, ret=0 [ 1.275]end workmode = 0,storage type = 2 [ 1.275]MMC: 2 [mmc]: mmc driver ver 2016-07-01 15:50:00 [mmc]: mmc_update_timing_para: error sdc_no 2 SUNXI SD/MMC: 2 [mmc]: 50 MHz... [mmc]: sample: 63 - 158(ps) [mmc]: ds: 63 - 158(ps) [mmc]: 100 MHz... [mmc]: sample: 33 - 151(ps) [mmc]: ds: 34 - 147(ps) [mmc]: 200 MHz... [mmc]: sample: 16 - 156(ps) [mmc]: ds: 17 - 147(ps) [mmc]: media type 0x8000000 [mmc]: ************Try MMC card 2************ [mmc]: host caps: 0x6f [mmc]: MID 000013 PSN 0ee758d6 [mmc]: PNM Q2J55L -- 0x51-32-4a-35-35 [mmc]: PRV 1.0 [mmc]: MDT m-7 y-2019 [mmc]: MMC v5.0 [mmc]: speed mode : HSSDR52/SDR25 [mmc]: clock : 50000000 Hz [mmc]: bus_width : 8 bit [mmc]: user capacity : 7264 MB [mmc]: boot capacity : 16384 KB [mmc]: rpmb capacity : 4096 KB [mmc]: ************SD/MMC 2 init OK!!!************ [mmc]: use default speed mode: 1-HSSDR52/SDR25, ifreq: 2 [mmc]: ========best spd md: 1-HSSDR52/SDR25, freq: 2-50000000 [mmc]: already at HSSDR52_SDR25 mode [mmc]: erase_grp_size : 0x400WrBlk*0x200=0x80000 Byte [mmc]: secure_feature : 0x55 [mmc]: secure_removal_type : 0x1 [mmc]: EOL Info(Rev blks): Normal [mmc]: Wear out(type A): 0%-10% life time used [mmc]: Wear out(type B): 0%-10% life time used [ 1.515]sunxi flash init ok --------fastboot partitions-------- -total partitions:6- -name- -start- -size- boot-resource: 1000000 700000 env : 1700000 400000 boot : 1b00000 1000000 rootfs : 2b00000 40000000 usr : 42b00000 9fb00000 UDISK : e2600000 0 ----------------------------------- base bootcmd=run setargs_nand boot_normal bootcmd set setargs_mmc key 0 cant find rcvy value cant find fstbt value no misc partition is found to be run cmd=run setargs_mmc boot_normal update dtb dram start update dtb dram end PowerBus = 2( 2:vBus 3:acBus other: not exist) no battery, limit to dc no battery exist EnterNormalBootMode sunxi_bmp_display-- reading bootlogo.bmp 1152054 bytes read in 31 ms (35.4 MiB/s) bmp file buffer: 0x40000000, bmp_info.buffer: 46400000 fetch script data boot_disp.output_full fail screen_id =0, screen_width =1024, screen_height =600 frame buffer address 46400036 [ 1.778]inter uboot shell Read addr=40 eeprom addrlen=1 ok!! The test ok! secret ok Hit any key to stop autoboot: 1 
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4个回答
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烧写镜像和开发板一致吗，有v1是v1.1，没v1是v1.2
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开发板是V1.2，无显示屏，烧录的镜像是sun8iw11p1_linux_OKA40i_C_uart0-1024x600.img
fetch script data boot_disp.output_full fail |
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