Hi Vineet, Corentin, > -----Original Message----- > From: Vineet Gupta <[email protected]> > Sent: Tuesday, February 5, 2019 7:42 PM > To: Eugeniy Paltsev <[email protected]>; [email protected] > Cc: [email protected]; [email protected]; > [email protected]; linux-snps- > [email protected] > Subject: Re: [PATCH 2/2] arc: hsdk_defconfig: enable CONFIG_ARC_UBOOT_SUPPORT > > On 2/5/19 3:42 AM, Eugeniy Paltsev wrote: > > Hi Corentin, > > > > In case of devboards (like HSDK) we really often disable bootloader and load > > Linux image in memory via JTAG. Enabling CONFIG_ARC_UBOOT_SUPPORT by > > default will break it as we will try to interpret some junk in a registers > > as a pointers to bootargs/etc which aren't set by anyone in case of JTAG > > using. > > > > So it isn't a good idea to have CONFIG_ARC_UBOOT_SUPPORT enabled by default. > > Right. > > It is difficult to accommodate everyone's needs (often conflicting) in a > single > defconfig. > Can you folks create an out-of-tree defconfig or some such.
I do think there's a proper solution which [hopefully] makes both parties happy. Eugeniy is about to send-out a patch which allows us to not care about garbage in R0/R2 when running after U-Boot. -Alexey
