From: gregory.clement@bootlin.com (Gregory CLEMENT)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: dts: armada-3720-espressobin: wire up spi flash
Date: Fri, 06 Apr 2018 11:42:19 +0200 [thread overview]
Message-ID: <87d0zcisck.fsf@bootlin.com> (raw)
In-Reply-To: <20180325195736.19782-1-u.kleine-koenig@pengutronix.de> ("Uwe Kleine-König"'s message of "Sun, 25 Mar 2018 21:57:36 +0200")
Hi Uwe,
On dim., mars 25 2018, Uwe Kleine-K?nig <u.kleine-koenig@pengutronix.de> wrote:
> From: Ellie Reeves <ellierevves@gmail.com>
>
> This is the storage the machine boots from by default. The partitioning
> is taken from the U-Boot that is shipped with the board. There is some
> more space on the flash that isn't used.
I tested this patch and was able to read the uboot environement from
Linux.
>
> Signed-off-by: Ellie Reeves <ellierevves@gmail.com>
> Signed-off-by: Uwe Kleine-K?nig <u.kleine-koenig@pengutronix.de>
Applied on mvebu/dt64-for-4.18
Thanks,
Gregory
> ---
> .../boot/dts/marvell/armada-3720-espressobin.dts | 27 ++++++++++++++++++++++
> 1 file changed, 27 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
> index 882d6e4a04e4..5f98c2fecca4 100644
> --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
> +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
> @@ -108,6 +108,33 @@
> status = "okay";
> };
>
> +&spi0 {
> + status = "okay";
> +
> + flash at 0 {
> + reg = <0>;
> + compatible = "winbond,w25q32dw", "jedec,spi-flash";
> + spi-max-frequency = <104000000>;
> + m25p,fast-read;
> +
> + partitions {
> + compatible = "fixed-partitions";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + partition at 0 {
> + label = "uboot";
> + reg = <0 0x180000>;
> + };
> +
> + partition at 180000 {
> + label = "ubootenv";
> + reg = <0x180000 0x10000>;
> + };
> + };
> + };
> +};
> +
> /* Exported on the micro USB connector J5 through an FTDI */
> &uart0 {
> pinctrl-names = "default";
> --
> 2.16.2
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
--
Gregory Clement, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
http://bootlin.com
prev parent reply other threads:[~2018-04-06 9:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-25 19:57 [PATCH] arm64: dts: armada-3720-espressobin: wire up spi flash Uwe Kleine-König
2018-04-06 9:42 ` Gregory CLEMENT [this message]
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