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U-Boot on SPI flash - discussion
zaius
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#6
12-01-2019, 11:21 AM
(11-29-2019, 04:18 PM)Arwen Wrote: We already have that, nothing to be added. Any bootable SD card installed during power on / reset will cause the eMMC U-Boot to transfer booting to the SD card. That was an update to U-Boot a few weeks ago. We would then use the SD card's OS to fix the U-Boot of the eMMC.

Not if the SPI is first in the boot order...

(11-29-2019, 04:18 PM)Arwen Wrote: Perhaps something simpler. If the SPI stage 1 sees a bootable SD card, boot off it. If the SPI stage 1 sees a non-bootable SD card, then try the alternate SPI U-Boot image. That gets us the simplicity you were looking for, and fault tolerance I was looking for.

OK   Smile
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Messages In This Thread
U-Boot on SPI flash - discussion - by Arwen - 11-29-2019, 04:18 PM
RE: U-Boot on SPI flash - discussion - by Arwen - 11-29-2019, 07:45 PM
RE: U-Boot on SPI flash - discussion - by zaius - 11-30-2019, 04:07 PM
RE: U-Boot on SPI flash - discussion - by Arwen - 11-30-2019, 04:25 PM
RE: U-Boot on SPI flash - discussion - by zaius - 12-01-2019, 11:21 AM
RE: U-Boot on SPI flash - discussion - by Arwen - 12-01-2019, 11:51 AM
RE: U-Boot on SPI flash - discussion - by zaius - 12-02-2019, 06:26 AM
RE: U-Boot on SPI flash - discussion - by Arwen - 12-02-2019, 10:34 AM
RE: U-Boot on SPI flash - discussion - by xalius - 12-02-2019, 11:09 AM
RE: U-Boot on SPI flash - discussion - by zaius - 12-02-2019, 02:01 PM
RE: U-Boot on SPI flash - discussion - by xalius - 12-02-2019, 02:17 PM
RE: U-Boot on SPI flash - discussion - by pcm720 - 12-02-2019, 10:12 PM
RE: U-Boot on SPI flash - discussion - by Wizzard - 12-03-2019, 12:48 AM
RE: U-Boot on SPI flash - discussion - by Arwen - 12-03-2019, 06:11 AM
RE: U-Boot on SPI flash - discussion - by pcm720 - 12-03-2019, 06:18 AM
RE: U-Boot on SPI flash - discussion - by Wizzard - 12-03-2019, 06:25 AM
RE: U-Boot on SPI flash - discussion - by hmuller - 01-06-2020, 08:53 PM
RE: U-Boot on SPI flash - discussion - by hmuller - 09-16-2020, 08:20 AM

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