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authorAlistair Popple <alistair@popple.id.au>2014-03-06 14:52:27 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2014-05-01 08:26:26 +1000
commit2a2c74b2efcb1a0ca3fdcb5fbb96ad8de6a29177 (patch)
tree46f41ff197ece8795b6c11ca5eeb2782163b4427 /arch/powerpc/boot/dcr.h
parent6b11930f726c1d8a7c054f7a293621bce4c684c5 (diff)
downloadlwn-2a2c74b2efcb1a0ca3fdcb5fbb96ad8de6a29177.tar.gz
lwn-2a2c74b2efcb1a0ca3fdcb5fbb96ad8de6a29177.zip
IBM Akebono: Add the Akebono platform
This patch adds support for the IBM Akebono board. Signed-off-by: Alistair Popple <alistair@popple.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/boot/dcr.h')
-rw-r--r--arch/powerpc/boot/dcr.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/boot/dcr.h b/arch/powerpc/boot/dcr.h
index cc73f7a95e26..bf8f4ede1928 100644
--- a/arch/powerpc/boot/dcr.h
+++ b/arch/powerpc/boot/dcr.h
@@ -15,6 +15,10 @@
asm volatile("mfdcrx %0,%1" : "=r"(rval) : "r"(rn)); \
rval; \
})
+#define mtdcrx(rn, val) \
+ ({ \
+ asm volatile("mtdcrx %0,%1" : : "r"(rn), "r" (val)); \
+ })
/* 440GP/440GX SDRAM controller DCRs */
#define DCRN_SDRAM0_CFGADDR 0x010