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 ---
arch/x86/dts/cougarcanyon2.dts | 2 ++ 1 file changed, 2 insertions(+)
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";