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Date: Tue, 16 Feb 2016 16:33:38 +0100 From: Gregory CLEMENT <gregory.clement@...e-electrons.com> To: "David S. Miller" <davem@...emloft.net>, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>, Florian Fainelli <f.fainelli@...il.com> Cc: Jason Cooper <jason@...edaemon.net>, Andrew Lunn <andrew@...n.ch>, Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>, Gregory CLEMENT <gregory.clement@...e-electrons.com>, linux-arm-kernel@...ts.infradead.org, Lior Amsalem <alior@...vell.com>, Nadav Haklai <nadavh@...vell.com>, Marcin Wojtas <mw@...ihalf.com>, Simon Guinot <simon.guinot@...uanux.org>, Russell King - ARM Linux <linux@....linux.org.uk>, Willy Tarreau <w@....eu>, Timor Kardashov <timork@...vell.com>, Sebastian Careba <nitroshift@...oo.com> Subject: [PATCH v2 3/8] ARM: dts: armada-xp: add buffer manager nodes From: Marcin Wojtas <mw@...ihalf.com> 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> Signed-off-by: Gregory CLEMENT <gregory.clement@...e-electrons.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 be23196829bb..bd459360d7a6 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 { -- 2.5.0
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