Tony/Kevin, > -----Original Message----- > From: Shilimkar, Santosh > Sent: Sunday, August 08, 2010 3:46 PM > To: linux-omap@xxxxxxxxxxxxxxx > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; Shilimkar, Santosh > Subject: [PATCH 0/3] SRAM map series > > Currently we map 1 MB section while setting up SRAM on OMAPs. > The actual physcal OCM RAM available on OMAP SOCs is in order > of KBs. On the newer ARMs with speculation, this is dangerous and can > result in untraceable aborts. > On Davinci as well because of section limitation the SRAM is > marked as MT_DEVICE > > First patch of this series addresses the section mapping limiaton and > now we can map such memories as page level granularity. > > The series is generated against latest manline commit "2d530569730" > and boot tested on OMAP4430SDP, OMAP3430SDP platforms with > omap_4430sdp_defconfig and multi-omap(omap3_defconfig) builds > > Santosh Shilimkar (3): > ARM: mmu: Setup MT_MEMORY and MT_MEMORY_NONACHED L1 entries > omap1/2/3/4: map only available SRAM > davinci: Map sram using MT_MEMORY_NONCACHED instead of MT_DEVICE > Can you please have a look at second and third patch? First patch is reviewed by Russell already > arch/arm/mach-davinci/dm355.c | 3 +-- > arch/arm/mach-davinci/dm365.c | 3 +-- > arch/arm/mach-davinci/dm644x.c | 3 +-- > arch/arm/mach-davinci/dm646x.c | 3 +-- > arch/arm/mm/mmu.c | 18 ++++++++++++++++-- > arch/arm/plat-omap/sram.c | 25 +++++-------------------- > 6 files changed, 25 insertions(+), 30 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
