x86: cougarcanyon2: Update dts for SPI lock down
It turns out that like Braswell, Intel FSP for IvyBridge requires
SPI controller settings to be locked down, as the U-Boot ICH SPI
driver fails with the following message on Cougar Canyon 2 board:
"ICH SPI: Opcode 9f not found"
Update the SPI node property to indicate this fact.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/dts/cougarcanyon2.dts b/arch/x86/dts/cougarcanyon2.dts
index ea836ee..8c71e98 100644
--- a/arch/x86/dts/cougarcanyon2.dts
+++ b/arch/x86/dts/cougarcanyon2.dts
@@ -70,6 +70,8 @@
#address-cells = <1>;
#size-cells = <0>;
compatible = "intel,ich9-spi";
+ intel,spi-lock-down;
+
spi-flash@0 {
reg = <0>;
compatible = "winbond,w25q64bv", "spi-flash";