sawdust questions

sawdust answers

• How to write new MLO and u-boot.img to an SD card without erasing the OS
• Can u-boot support more than one ethernet port?
• Why shouldn't I use ioremap on system memory for ARMv6+?
• embedded linux ARM booting address
• U-Boot hangs while loading kernel?
• unable to export a gpio pin
• Identification of packets in a byte stream
• Why there is `gpio_request` instead of `request_region` in raspberry pi driver?
• How to properly set up serial communication on Linux
• Driver code in kernel module doesn't execute?