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author | Felix Fietkau <nbd@nbd.name> | 2016-07-04 20:27:45 +0200 |
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committer | Zoltan HERPAI <wigyori@uid0.hu> | 2016-07-04 20:27:45 +0200 |
commit | 852e45af41eab639ed5572c81d62612db17a0269 (patch) | |
tree | 17a98e75dc2bd1fbc3561f47c26d40d35acb8cb7 /target/linux/mvebu/patches-4.4/052-ARM-dts-armada-xp-add-buffer-manager-nodes.patch | |
parent | b891669e69814d0df951706fa5035348e9c8ba24 (diff) | |
download | master-187ad058-852e45af41eab639ed5572c81d62612db17a0269.tar.gz master-187ad058-852e45af41eab639ed5572c81d62612db17a0269.tar.bz2 master-187ad058-852e45af41eab639ed5572c81d62612db17a0269.zip |
mvebu: backport upstream ethernet driver improvements and enable buffer manager support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/mvebu/patches-4.4/052-ARM-dts-armada-xp-add-buffer-manager-nodes.patch')
-rw-r--r-- | target/linux/mvebu/patches-4.4/052-ARM-dts-armada-xp-add-buffer-manager-nodes.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-4.4/052-ARM-dts-armada-xp-add-buffer-manager-nodes.patch b/target/linux/mvebu/patches-4.4/052-ARM-dts-armada-xp-add-buffer-manager-nodes.patch new file mode 100644 index 0000000000..65fafd7101 --- /dev/null +++ b/target/linux/mvebu/patches-4.4/052-ARM-dts-armada-xp-add-buffer-manager-nodes.patch @@ -0,0 +1,53 @@ +From: Marcin Wojtas <mw@semihalf.com> +Date: Mon, 14 Mar 2016 09:38:59 +0100 +Subject: [PATCH] ARM: dts: armada-xp: add buffer manager nodes + +Armada XP network controller supports hardware buffer management (BM). +Since it is now enabled in mvneta driver, appropriate nodes can be added +to armada-xp.dtsi - for the actual common BM unit (bm@c0000) and its +internal SRAM (bm-bppi), which is used for indirect access to buffer +pointer ring residing in DRAM. + +Pools - ports mapping, bm-bppi entry in 'soc' node's ranges and optional +parameters are supposed to be set in board files. + +Signed-off-by: Marcin Wojtas <mw@semihalf.com> +Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + +--- a/arch/arm/boot/dts/armada-xp.dtsi ++++ b/arch/arm/boot/dts/armada-xp.dtsi +@@ -253,6 +253,14 @@ + marvell,crypto-sram-size = <0x800>; + }; + ++ bm: bm@c0000 { ++ compatible = "marvell,armada-380-neta-bm"; ++ reg = <0xc0000 0xac>; ++ clocks = <&gateclk 13>; ++ internal-mem = <&bm_bppi>; ++ status = "disabled"; ++ }; ++ + xor@f0900 { + compatible = "marvell,orion-xor"; + reg = <0xF0900 0x100 +@@ -291,6 +299,17 @@ + #size-cells = <1>; + ranges = <0 MBUS_ID(0x09, 0x05) 0 0x800>; + }; ++ ++ bm_bppi: bm-bppi { ++ compatible = "mmio-sram"; ++ reg = <MBUS_ID(0x0c, 0x04) 0 0x100000>; ++ ranges = <0 MBUS_ID(0x0c, 0x04) 0 0x100000>; ++ #address-cells = <1>; ++ #size-cells = <1>; ++ clocks = <&gateclk 13>; ++ no-memory-wc; ++ status = "disabled"; ++ }; + }; + + clocks { |