[PATCH] mvebu/omnia: enable hardware buffer management

[Rui Salvaterra]

Oops! Fat-fingered. I'll resend with a proper description.

On Wed, 17 Feb 2021 at 15:52, Rui Salvaterra <rsalvaterra at gmail.com> wrote:
>
> Signed-off-by: Rui Salvaterra <rsalvaterra at gmail.com>
> ---
>  ...is-omnia-enable-HW-buffer-management.patch | 83 +++++++++++++++++++
>  1 file changed, 83 insertions(+)
>  create mode 100644 target/linux/mvebu/patches-5.4/317-ARM-dts-turris-omnia-enable-HW-buffer-management.patch
>
> diff --git a/target/linux/mvebu/patches-5.4/317-ARM-dts-turris-omnia-enable-HW-buffer-management.patch b/target/linux/mvebu/patches-5.4/317-ARM-dts-turris-omnia-enable-HW-buffer-management.patch
> new file mode 100644
> index 0000000000..3420edf075
> --- /dev/null
> +++ b/target/linux/mvebu/patches-5.4/317-ARM-dts-turris-omnia-enable-HW-buffer-management.patch
> @@ -0,0 +1,83 @@
> +From 23f0ff99446cf27cdc73f794a9d767e6af05e11c Mon Sep 17 00:00:00 2001
> +From: =?UTF-8?q?Marek=20Beh=C3=BAn?= <kabel at kernel.org>
> +Date: Sun, 15 Nov 2020 14:59:17 +0100
> +Subject: [PATCH 1/2] ARM: dts: turris-omnia: enable HW buffer management
> +MIME-Version: 1.0
> +Content-Type: text/plain; charset=UTF-8
> +Content-Transfer-Encoding: 8bit
> +
> +The buffer manager is available on Turris Omnia but needs to be
> +described in device-tree to be used.
> +
> +Signed-off-by: Marek Behún <kabel at kernel.org>
> +Fixes: 26ca8b52d6e1 ("ARM: dts: add support for Turris Omnia")
> +Cc: linux-arm-kernel at lists.infradead.org
> +Cc: Uwe Kleine-König <uwe at kleine-koenig.org>
> +Cc: Jason Cooper <jason at lakedaemon.net>
> +Cc: Gregory CLEMENT <gregory.clement at bootlin.com>
> +Cc: Andreas Färber <afaerber at suse.de>
> +Cc: Andrew Lunn <andrew at lunn.ch>
> +Cc: Rob Herring <robh+dt at kernel.org>
> +Cc: devicetree at vger.kernel.org
> +Signed-off-by: Gregory CLEMENT <gregory.clement at bootlin.com>
> +Signed-off-by: Rui Salvaterra <rsalvaterra at gmail.com>
> +---
> + arch/arm/boot/dts/armada-385-turris-omnia.dts | 17 +++++++++++++++++
> + 1 file changed, 17 insertions(+)
> +
> +--- a/arch/arm/boot/dts/armada-385-turris-omnia.dts
> ++++ b/arch/arm/boot/dts/armada-385-turris-omnia.dts
> +@@ -31,7 +31,8 @@
> +               ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
> +                         MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
> +                         MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
> +-                        MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000>;
> ++                        MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000
> ++                        MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>;
> +
> +               internal-regs {
> +
> +@@ -84,12 +85,23 @@
> +       };
> + };
> +
> ++&bm {
> ++      status = "okay";
> ++};
> ++
> ++&bm_bppi {
> ++      status = "okay";
> ++};
> ++
> + /* Connected to 88E6176 switch, port 6 */
> + &eth0 {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&ge0_rgmii_pins>;
> +       status = "okay";
> +       phy-mode = "rgmii";
> ++      buffer-manager = <&bm>;
> ++      bm,pool-long = <0>;
> ++      bm,pool-short = <3>;
> +
> +       fixed-link {
> +               speed = <1000>;
> +@@ -103,6 +115,9 @@
> +       pinctrl-0 = <&ge1_rgmii_pins>;
> +       status = "okay";
> +       phy-mode = "rgmii";
> ++      buffer-manager = <&bm>;
> ++      bm,pool-long = <1>;
> ++      bm,pool-short = <3>;
> +
> +       fixed-link {
> +               speed = <1000>;
> +@@ -115,6 +130,9 @@
> +       status = "okay";
> +       phy-mode = "sgmii";
> +       phy = <&phy1>;
> ++      buffer-manager = <&bm>;
> ++      bm,pool-long = <2>;
> ++      bm,pool-short = <3>;
> + };
> +
> + &i2c0 {
> --
> 2.30.1
>