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authorSimon Glass <sjg@chromium.org>2015-01-19 22:16:13 -0700
committerSimon Glass <sjg@chromium.org>2015-01-24 06:13:45 -0700
commita9aff2f46a7f7d29a662531dbc181773f16a606d (patch)
tree4c340ea0b74ccb57fae8987f13b1aae994ef77b3 /arch/x86/dts
parent146251f87eaebbd77ca9596391890b44cbda47fb (diff)
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x86: dts: Add SPI flash MRC details for chromebook_link
Correct the SPI flash compatible string, add an alias and specify the position of the MRC cache, used to store SDRAM training settings for the Memory Reference Code. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/dts')
-rw-r--r--arch/x86/dts/chromebook_link.dts15
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/x86/dts/chromebook_link.dts b/arch/x86/dts/chromebook_link.dts
index 9490b16..45ada61 100644
--- a/arch/x86/dts/chromebook_link.dts
+++ b/arch/x86/dts/chromebook_link.dts
@@ -7,6 +7,10 @@
model = "Google Link";
compatible = "google,link", "intel,celeron-ivybridge";
+ aliases {
+ spi0 = "/spi";
+ };
+
config {
silent_console = <0>;
};
@@ -150,11 +154,20 @@
spi {
#address-cells = <1>;
#size-cells = <0>;
- compatible = "intel,ich9";
+ compatible = "intel,ich-spi";
spi-flash@0 {
+ #size-cells = <1>;
+ #address-cells = <1>;
reg = <0>;
compatible = "winbond,w25q64", "spi-flash";
memory-map = <0xff800000 0x00800000>;
+ rw-mrc-cache {
+ label = "rw-mrc-cache";
+ /* Alignment: 4k (for updating) */
+ reg = <0x003e0000 0x00010000>;
+ type = "wiped";
+ wipe-value = [ff];
+ };
};
};