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Date: Sun, 22 Nov 2015 08:53:58 +0100 From: Marcin Wojtas <mw@...ihalf.com> To: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org Cc: davem@...emloft.net, linux@....linux.org.uk, sebastian.hesselbarth@...il.com, andrew@...n.ch, jason@...edaemon.net, thomas.petazzoni@...e-electrons.com, gregory.clement@...e-electrons.com, simon.guinot@...uanux.org, nadavh@...vell.com, alior@...vell.com, xswang@...vell.com, myair@...vell.com, nitroshift@...oo.com, mw@...ihalf.com, jaz@...ihalf.com, tn@...ihalf.com Subject: [PATCH 12/13] ARM: mvebu: add buffer manager nodes to armada-xp.dtsi 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@...00) 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@...ihalf.com> --- arch/arm/boot/dts/armada-xp.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi index be23196..bd45936 100644 --- 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@...00 { + compatible = "marvell,armada-380-neta-bm"; + reg = <0xc0000 0xac>; + clocks = <&gateclk 13>; + internal-mem = <&bm_bppi>; + status = "disabled"; + }; + xor@...00 { compatible = "marvell,orion-xor"; reg = <0xF0900 0x100 @@ -291,6 +299,16 @@ #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>; + status = "disabled"; + }; }; clocks { -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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