Backport (and fix [1]) the required device tree changes in order to support hardware buffer management on the Turris Omnia.
[1] https://lore.kernel.org/linux-arm-kernel/[email protected]/ Signed-off-by: Rui Salvaterra <[email protected]> --- ...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?= <[email protected]> +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 <[email protected]> +Fixes: 26ca8b52d6e1 ("ARM: dts: add support for Turris Omnia") +Cc: [email protected] +Cc: Uwe Kleine-König <[email protected]> +Cc: Jason Cooper <[email protected]> +Cc: Gregory CLEMENT <[email protected]> +Cc: Andreas Färber <[email protected]> +Cc: Andrew Lunn <[email protected]> +Cc: Rob Herring <[email protected]> +Cc: [email protected] +Signed-off-by: Gregory CLEMENT <[email protected]> +Signed-off-by: Rui Salvaterra <[email protected]> +--- + 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 */ + ð0 { + 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 _______________________________________________ openwrt-devel mailing list [email protected] https://lists.openwrt.org/mailman/listinfo/openwrt-devel
