On Wed, 2024-01-31 at 16:41 +0800, Delphine CC Chiu wrote:
> Revise quad mode to dual mode to avoid WP pin influnece the SPI
What do you mean by this? Can you unpack what's going on a little more
in the commit message?
Andrew
>
> Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
> ---
> .../arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> index f8bfdefbefc6..23006dca5f26 100644
> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> @@ -149,15 +149,17 @@ flash@0 {
> status = "okay";
> m25p,fast-read;
> label = "bmc";
> - spi-rx-bus-width = <4>;
> + spi-tx-bus-width = <2>;
> + spi-rx-bus-width = <2>;
> spi-max-frequency = <50000000>;
> -#include "openbmc-flash-layout-64.dtsi"
> +#include "openbmc-flash-layout-128.dtsi"
> };
> flash@1 {
> status = "okay";
> m25p,fast-read;
> label = "bmc2";
> - spi-rx-bus-width = <4>;
> + spi-tx-bus-width = <2>;
> + spi-rx-bus-width = <2>;
> spi-max-frequency = <50000000>;
> };
> };