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x86: cougarcanyon2: Update dts for SPI lock down

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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>
This commit is contained in:
Bin Meng 2018-06-03 19:04:16 -07:00
parent b173b4ea34
commit 80abc8165e
1 changed files with 2 additions and 0 deletions
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arch/x86/dts/cougarcanyon2.dts
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@ -70,6 +70,8 @@
#address-cells = <1>; #address-cells = <1>;
#size-cells = <0>; #size-cells = <0>;
compatible = "intel,ich9-spi"; compatible = "intel,ich9-spi";
intel,spi-lock-down;
spi-flash@0 { spi-flash@0 {
reg = <0>; reg = <0>;
compatible = "winbond,w25q64bv", "spi-flash"; compatible = "winbond,w25q64bv", "spi-flash";