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-rw-r--r--arch/arm/boot/dts/berlin2cd-google-chromecast.dts12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/berlin2cd-google-chromecast.dts b/arch/arm/boot/dts/berlin2cd-google-chromecast.dts
index ca24def0ce13..f1767c8a6826 100644
--- a/arch/arm/boot/dts/berlin2cd-google-chromecast.dts
+++ b/arch/arm/boot/dts/berlin2cd-google-chromecast.dts
@@ -52,7 +52,17 @@
memory@0 {
device_type = "memory";
- reg = <0x00000000 0x20000000>; /* 512 MB */
+
+ /*
+ * We're using "linux,usable-memory" instead of "reg" here
+ * because the (signed and encrypted) bootloader that shipped
+ * with this device provides an incorrect memory range in
+ * ATAG_MEM. Linux helpfully overrides the "reg" property with
+ * data from the ATAG, so we can't specify the proper range
+ * normally. Fortunately, this alternate property is checked
+ * first by the OF driver, so we can (ab)use it instead.
+ */
+ linux,usable-memory = <0x00000000 0x20000000>; /* 512 MB */
};
leds {