Le vendredi 20 mars 2015 à 17:48 +0000, Ian Campbell a écrit : > On Fri, 2015-03-20 at 18:32 +0100, Paul Kocialkowski wrote: > > Le vendredi 20 mars 2015 à 19:21 +0200, Siarhei Siamashka a écrit : > > > On Fri, 20 Mar 2015 17:51:03 +0100 > > > Paul Kocialkowski <[email protected]> wrote: > > > > > > > After investigating a bit, I found out that I was unable to boot > > > > sunxi-3.4 on A20 devices because I wasn't setting > > > > CONFIG_OLD_SUNXI_KERNEL_COMPAT the right way. > > > > > > > > What I did initially was to add it to sunxi-common.h (before any other > > > > define), but it apparently didn't get taken in account in the SPL > > > > context. Setting it in the device defconfig works for both the main > > > > U-Boot binary and SPL. This seems like a very strange behaviour to me. > > > > Would someone care to weigh-in and provide an explanation for this? I > > > > thought that sunxi-common.h was supposed to be used in both contexts. > > > > > > > > I am now looking for a way to enable it at build time, that is, through > > > > some equivalent of menuconfig, that wouldn't require any interaction (so > > > > that I can have it all scriptable). > > > > > > U-Boot uses to have separate menuconfig invocations for the SPL and the > > > main binary for a while. This turned out to be very user unfriendly and > > > confusing, but now this mishap should be already resolved: > > > > > > http://lists.denx.de/pipermail/u-boot/2015-February/205512.html > > > > > > Try to upgrade to the latest U-Boot git master branch and check if it > > > works better. > > > > I'm working off v2015.04-rc4, which is recent enough. > > > > Having this diff: > > diff --git a/include/configs/sunxi-common.h > > b/include/configs/sunxi-common.h > > index 61a45e1..14ac9db 100644 > > --- a/include/configs/sunxi-common.h > > +++ b/include/configs/sunxi-common.h > > @@ -13,6 +13,8 @@ > > #ifndef _SUNXI_COMMON_CONFIG_H > > #define _SUNXI_COMMON_CONFIG_H > > > > +#define CONFIG_OLD_SUNXI_KERNEL_COMPAT 1 > > + > > #ifdef CONFIG_OLD_SUNXI_KERNEL_COMPAT > > /* > > * The U-Boot workarounds bugs in the outdated buggy sunxi-3.4 kernels > > at the > > > > Results in this .config: > > > > grep CONFIG_OLD_SUNXI_KERNEL_COMPAT u-boot-out/.config > > # CONFIG_OLD_SUNXI_KERNEL_COMPAT is not set > > > > So this is not, in fact, specific to the SPL. Still, why does it happen? > > A #define in sunxi-common.h has no impact on the Kconfig .config file, > it works the other way around, the .config is an input to the cpp and is > included before sunxi-common.h. > > > Perhaps the fact that OLD_SUNXI_KERNEL_COMPAT is defined as a Kconfig > > option, defaulted to n, implies that a define in the config header is > > not sufficient to enable it in Kconfig? > > No #define in any header is ever sufficient to affect anything in > Kconfig.
Right, that makes sense. Now how am I to enable OLD_SUNXI_KERNEL_COMPAT through Kconfig without modifying anything on the tree and in a scriptable way (no menuconfig)? -- Paul Kocialkowski, Replicant developer Replicant is a fully free Android distribution running on several devices, a free software mobile operating system putting the emphasis on freedom and privacy/security. Website: http://www.replicant.us/ Blog: http://blog.replicant.us/ Wiki/tracker/forums: http://redmine.replicant.us/ -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
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