On 1/29/20 6:55 PM, Cameron Ferguson wrote: >> In the code you sent last time, it said that your addresses >> are IORESOURCE_IO. These are I/O ports, not memory-mapped ports, >> so you can't dereference a pointer and access them, but instead you >> have to use port I/O instruction, which in barebox and Linux is >> the out[bwl] family of functions. > > > I got it working. Great! Clean it up and send patches! :-) > > I included the header file "arch/x86/include/asm/io.h" and so I > thought I was using the right functions for IO operations on ports, > however it turns out that "linux/io.h" was being included before the > aforementioned header file, and so "inl" and outl" were already > defined with generic implementations instead of as specific to x86. We don't have a linux/io.h. Include order shouldn't matter, if it does, that's a bug you can send a patch to fix this as well. > > It's working. The watchdog will reboot if the Linux kernel freezes on boot up. > > Thank you for your help, Ahmad, I wouldn't have looked further into > the IO headers if you hadn't pointed me in the right direction. Cheers Ahamd > > Cameron > -- Pengutronix e.K. | | Steuerwalder Str. 21 | https://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
