From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Mon, 19 Oct 2009 17:20:59 -0700 Subject: [PATCH 11/14] omap: Remap L3, L4 to get more kernel io address space In-Reply-To: <20091016234213.2463.61298.stgit@localhost> References: <20091016233624.2463.26653.stgit@localhost> <20091016234213.2463.61298.stgit@localhost> Message-ID: <20091020002059.GZ12576@atomide.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org * Tony Lindgren [091016 16:42]: > From: Santosh Shilimkar > > This patch remap L3 and L4 io space to get more kernel address space. > With this patch, 512 MB of IO space is reclaimed. > Some more combinations are possible but to make it uniform across > OMAP24XX, OMAP34XX and OMAP4430, these io combinations are chosen > > Once this is reviewed and tested sufficiently, a documentation entry can > be created to ease up reading and debugging. > Like "Documentation/arm/omap/io_map.txt" > > Signed-off-by: Santosh Shilimkar > Signed-off-by: Tony Lindgren > --- > arch/arm/plat-omap/include/mach/io.h | 97 ++++++++++++++++++----------- > arch/arm/plat-omap/include/mach/vmalloc.h | 2 - > 2 files changed, 60 insertions(+), 39 deletions(-) > > diff --git a/arch/arm/plat-omap/include/mach/vmalloc.h b/arch/arm/plat-omap/include/mach/vmalloc.h > index b97dfaf..9eebf62 100644 > --- a/arch/arm/plat-omap/include/mach/vmalloc.h > +++ b/arch/arm/plat-omap/include/mach/vmalloc.h > @@ -17,5 +17,5 @@ > * along with this program; if not, write to the Free Software > * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA > */ > -#define VMALLOC_END (PAGE_OFFSET + 0x18000000) > +#define VMALLOC_END (PAGE_OFFSET + 0x38000000) This vmalloc.h change causes issues on omap1. I'll update the series to ifdef this define. Then I'll split the file in the later patches into separate vmalloc.h for mach-omap1 and mach-omap2, see below. Regards, Tony