diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-4.4/038-0001-ARM-dts-Enable-SRAB-switch-and-GMACs-on-5301x-DTS.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-4.4/038-0001-ARM-dts-Enable-SRAB-switch-and-GMACs-on-5301x-DTS.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-4.4/038-0001-ARM-dts-Enable-SRAB-switch-and-GMACs-on-5301x-DTS.patch b/target/linux/bcm53xx/patches-4.4/038-0001-ARM-dts-Enable-SRAB-switch-and-GMACs-on-5301x-DTS.patch new file mode 100644 index 0000000000..0210f7e2aa --- /dev/null +++ b/target/linux/bcm53xx/patches-4.4/038-0001-ARM-dts-Enable-SRAB-switch-and-GMACs-on-5301x-DTS.patch @@ -0,0 +1,63 @@ +From 59f0ce1a3ebb9288fc8c1400aa503e923621161e Mon Sep 17 00:00:00 2001 +From: Florian Fainelli <f.fainelli@gmail.com> +Date: Mon, 23 May 2016 16:38:00 -0700 +Subject: [PATCH 1/3] ARM: dts: Enable SRAB switch and GMACs on 5301x DTS + +Add the Switch Register Access Block which is a special piece of +hardware allowing us to perform indirect read/writes towards the +integrated BCM5301X Ethernet switch. + +We also add the 4 Gigabit MAC Device Tree nodes within the brcm,bus-axi +bus node to get proper binding between the BCMA instantiated core and +the Device Tree nodes. We will need that to be able to reference +Ethernet Device Tree nodes in a future patch adding the switch ports +layout. + +Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> +--- + arch/arm/boot/dts/bcm5301x.dtsi | 27 +++++++++++++++++++++++++++ + 1 file changed, 27 insertions(+) + +--- a/arch/arm/boot/dts/bcm5301x.dtsi ++++ b/arch/arm/boot/dts/bcm5301x.dtsi +@@ -239,6 +239,22 @@ + status = "disabled"; + }; + }; ++ ++ gmac0: ethernet@24000 { ++ reg = <0x24000 0x800>; ++ }; ++ ++ gmac1: ethernet@25000 { ++ reg = <0x25000 0x800>; ++ }; ++ ++ gmac2: ethernet@26000 { ++ reg = <0x26000 0x800>; ++ }; ++ ++ gmac3: ethernet@27000 { ++ reg = <0x27000 0x800>; ++ }; + }; + + lcpll0: lcpll0@1800c100 { +@@ -260,6 +276,17 @@ + "sata2"; + }; + ++ srab: srab@18007000 { ++ compatible = "brcm,bcm5301x-srab"; ++ reg = <0x18007000 0x1000>; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ status = "disabled"; ++ ++ /* ports are defined in board DTS */ ++ }; ++ + nand: nand@18028000 { + compatible = "brcm,nand-iproc", "brcm,brcmnand-v6.1", "brcm,brcmnand"; + reg = <0x18028000 0x600>, <0x1811a408 0x600>, <0x18028f00 0x20>; |