| Message ID | 1319449593-2427-2-git-send-email-macpaul@andestech.com |
|---|---|
| State | Accepted |
| Commit | 466e73b19b34a1500303faffc4b17d849438fad0 |
| Delegated to: | Macpaul Lin |
| Headers | show |
On Mon, Oct 24, 2011 at 2:46 AM, Macpaul Lin <macpaul@andestech.com> wrote: > Add ARCH_DMA_MINALIGN definition to asm/cache.h > > Signed-off-by: Macpaul Lin <macpaul@andestech.com> Acked-by: Anton Staaf <robotboy@chromium.org> > --- > arch/nds32/include/asm/cache.h | 11 +++++++++++ > 1 files changed, 11 insertions(+), 0 deletions(-) > > diff --git a/arch/nds32/include/asm/cache.h b/arch/nds32/include/asm/cache.h > index d769196..fc22c7b 100644 > --- a/arch/nds32/include/asm/cache.h > +++ b/arch/nds32/include/asm/cache.h > @@ -51,4 +51,15 @@ DEFINE_GET_SYS_REG(DCM_CFG); > #define DCM_CFG_OFF_DSZ 6 /* D-cache line size */ > #define DCM_CFG_MSK_DSZ (0x7UL << DCM_CFG_OFF_DSZ) > > +/* > + * The current upper bound for NDS32 L1 data cache line sizes is 32 bytes. > + * We use that value for aligning DMA buffers unless the board config has > + * specified an alternate cache line size. > + */ > +#ifdef CONFIG_SYS_CACHELINE_SIZE > +#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE > +#else > +#define ARCH_DMA_MINALIGN 32 > +#endif > + > #endif /* _ASM_CACHE_H */ > -- > 1.7.3.5 > >
Hi Wolfgang, 2011/10/25 Anton Staaf <robotboy@chromium.org>: > On Mon, Oct 24, 2011 at 2:46 AM, Macpaul Lin <macpaul@andestech.com> wrote: >> Add ARCH_DMA_MINALIGN definition to asm/cache.h >> >> Signed-off-by: Macpaul Lin <macpaul@andestech.com> > > Acked-by: Anton Staaf <robotboy@chromium.org> > Since the NDS32 has been come into mainline. Could I pick up this kind of simple changes of reviewed patches which are related to NDS32 only by myself, and then send pull-request to you? Hope this could reducing your loading and gain some benefits Thanks.
On Friday 28 October 2011 00:46:38 馬克泡 wrote: > Since the NDS32 has been come into mainline. > Could I pick up this kind of simple changes of reviewed patches which > are related to NDS32 only by myself, > and then send pull-request to you? > Hope this could reducing your loading and gain some benefits you've got a maintainer tree now: http://git.denx.de/?p=u-boot/u-boot-nds32.git so you should be gathering all the NDS32 patches and pushing to wolfgang. please see the documentation here for the process: http://www.denx.de/wiki/U-Boot/DevelopmentProcess short answer: - fixes should get pushed at any time - everything else should get pushed during merge window -mike
Hi Mike, 2011/10/31 Mike Frysinger <vapier@gentoo.org>: > On Friday 28 October 2011 00:46:38 馬克泡 wrote: > you've got a maintainer tree now: > http://git.denx.de/?p=u-boot/u-boot-nds32.git > > so you should be gathering all the NDS32 patches and pushing to wolfgang. > please see the documentation here for the process: > http://www.denx.de/wiki/U-Boot/DevelopmentProcess > > short answer: > - fixes should get pushed at any time > - everything else should get pushed during merge window > -mike > Thanks for your hint. Will do patch collections soon.
Hi Macpaul, 2011/10/25 Anton Staaf <robotboy@chromium.org>: > On Mon, Oct 24, 2011 at 2:46 AM, Macpaul Lin <macpaul@andestech.com> wrote: >> Add ARCH_DMA_MINALIGN definition to asm/cache.h >> >> Signed-off-by: Macpaul Lin <macpaul@andestech.com> > > Acked-by: Anton Staaf <robotboy@chromium.org> > Applied to u-boot-nds32/master, thanks. Best regards, Macpaul Lin
diff --git a/arch/nds32/include/asm/cache.h b/arch/nds32/include/asm/cache.h index d769196..fc22c7b 100644 --- a/arch/nds32/include/asm/cache.h +++ b/arch/nds32/include/asm/cache.h @@ -51,4 +51,15 @@ DEFINE_GET_SYS_REG(DCM_CFG); #define DCM_CFG_OFF_DSZ 6 /* D-cache line size */ #define DCM_CFG_MSK_DSZ (0x7UL << DCM_CFG_OFF_DSZ) +/* + * The current upper bound for NDS32 L1 data cache line sizes is 32 bytes. + * We use that value for aligning DMA buffers unless the board config has + * specified an alternate cache line size. + */ +#ifdef CONFIG_SYS_CACHELINE_SIZE +#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE +#else +#define ARCH_DMA_MINALIGN 32 +#endif + #endif /* _ASM_CACHE_H */
Add ARCH_DMA_MINALIGN definition to asm/cache.h Signed-off-by: Macpaul Lin <macpaul@andestech.com> --- arch/nds32/include/asm/cache.h | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-)