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MMC write: dev # 2, block # 2, count 1024.
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(here chose your SD Card, here mmc dev 2 refers to SD3(J507) ) Type the escape character followed by C to get back, Tell kermit to transmit the file you want by doing:Ĭ-Kermit>send /path/to/file/you/want/to/loadĮscape character: Ctrl-\ (ASCII 28, FS): enabled Now escape back to the kermit shell prompt ( ctrl+\ followed by ctrl+c by default). # Ready for binary (kermit) download to 0x10800000 at 115200 bps. I2c: I2C3 SDA is low, start i2c recovery. *** Warning - bad CRC or MMC, using default environment MMC: FSL_USDHC: 0,FSL_USDHC: 1,FSL_USDHC: 2,FSL_USDHC: 3 Temperature: 43 C, calibration data 0x5534cd69īoard: i.MX6Q-SABRESD: RevC Board: 0圆3312 the command loadb load the file into the DDR ram, if you are not sure where to put the file downloaded by loadb, then use the 0x10800000 which is the kernel load address by default and there must be enough space for your u-boot image.Īfter you have downloaded the u-boot image into the DDR, then use the mmc write command, I list my operations below:ĬPU: Freescale i.MX6 family TO1.2 at 792 MHz I think the problem lies in the load address.
#U boot download serial#
How can I update my u-boot with a serial connection? What am I doing wrong? Maybe I just can't write there from the serial link? This tells me the transmission is ok, maybe there wasn't enough room there to put the ~300 kB of u-boot. I tried earlier to put the file at 0x00800000, and there I got 40 packets of size ~1000 sent. disconnected to return to kermit, and started file transfer: (is this the correct address to put u-boot?) reset the target and stop autoboot to get into u-boot setup kermit on host with the following settings: I would like to download it to target without removing the SD card, using Kermit. I have build a u-boot.imx for my im圆qsabresd.