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authorVinh Nguyen Huu Tuong <vhtnguyen@apm.com>2012-07-02 22:52:30 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-01-10 15:08:37 +1100
commitc19d82486216b1c674208f76fed6b9eb4ee45ad3 (patch)
treeddaa0f230e5be8b84e349c1aed873410e190c00a /arch/powerpc/boot
parent0388c79c99ccb43f711af57d2e14fcd6a5f45a06 (diff)
downloadlinaro-lsk-c19d82486216b1c674208f76fed6b9eb4ee45ad3.tar.gz
powerpc/44x: Support OCM(On Chip Memory) for APM821xx SoC and Bluestone board
This patch consists of: - Add driver for OCM component - Export OCM Information at /sys/kernel/debug/ppc4xx_ocm/info Signed-off-by: Vinh Nguyen Huu Tuong <vhtnguyen@apm.com> Acked-by: Josh Boyer <jwboyer@gmail.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/boot')
-rw-r--r--arch/powerpc/boot/dts/bluestone.dts8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/boot/dts/bluestone.dts b/arch/powerpc/boot/dts/bluestone.dts
index 9d4917aebe6..7daaca324c0 100644
--- a/arch/powerpc/boot/dts/bluestone.dts
+++ b/arch/powerpc/boot/dts/bluestone.dts
@@ -107,6 +107,14 @@
interrupt-parent = <&UIC0>;
};
+ OCM: ocm@400040000 {
+ compatible = "ibm,ocm";
+ status = "ok";
+ cell-index = <1>;
+ /* configured in U-Boot */
+ reg = <4 0x00040000 0x8000>; /* 32K */
+ };
+
SDR0: sdr {
compatible = "ibm,sdr-apm821xx";
dcr-reg = <0x00e 0x002>;