Changes between Version 2 and Version 3 of venice/SDP


Ignore:
Timestamp:
08/02/2023 07:13:17 PM (16 months ago)
Author:
Ryan Erbstoesser
Comment:

try to clarify instructions

Legend:

Unmodified
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  • venice/SDP

    v2 v3  
    2121
    2222Examples:
    23  * list SDP devices on the USB bus:
     23First, activate SDP in the bootloader on the Gateworks SBC:
     24 * Invoke SDP while in U-Boot on the Gateworks SBC:
     25{{{#!bash
     26u-boot=> sdp 0
     27SDP: initialize...
     28SDP: handle requests...
     29}}}
     30
     31 * List SDP devices on the USB bus on the Linux host PC (desktop/laptop):
    2432{{{#!bash
    2533$ uuu -lsusb # list compatible devices on the USB bus in SDP mode
     
    3240}}}
    3341 * Boot Venice U-Boot over SDP (using flash.bin and u-boot.itb):
    34   - linux host:
     42  - Linux host:
    3543{{{#!bash
    3644$ sudo uuu flash.bin && sudo uuu SDPV: write -f u-boot.itb -addr 0x42000000 && sudo uuu SDPV: jump -addr 0x42000000
     
    6169Okay
    6270}}}
    63   - target
     71  - Target
    6472{{{#!bash
    6573U-Boot SPL 2021.07-00066-g7cc5a04f34ab (Dec 06 2021 - 14:56:21 -0800)
     
    117125u-boot=>
    118126}}}
    119  * invoke SDP while in U-Boot
    120 {{{#!bash
    121 u-boot=> sdp 0
    122 SDP: initialize...
    123 SDP: handle requests...
    124 }}}
     127
    125128
    126129Note in order to force booting from SDP you must erase the eMMC SPL code (ie 'mmc dev 2 && mmc erase 0 8000) as the default boot cfg fuses are set to boot from eMMC.