From c19d82486216b1c674208f76fed6b9eb4ee45ad3 Mon Sep 17 00:00:00 2001
From: Vinh Nguyen Huu Tuong
Date: Mon, 2 Jul 2012 22:52:30 +0000
Subject: 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>
---
 arch/powerpc/boot/dts/bluestone.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'arch/powerpc/boot')

diff --git a/arch/powerpc/boot/dts/bluestone.dts b/arch/powerpc/boot/dts/bluestone.dts
index 9d4917aebe6b..7daaca324c01 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>;
-- 
cgit v1.2.3