diff options
Diffstat (limited to 'dts/src/arm/intel-ixp42x-adi-coyote.dts')
| -rw-r--r-- | dts/src/arm/intel-ixp42x-adi-coyote.dts | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/dts/src/arm/intel-ixp42x-adi-coyote.dts b/dts/src/arm/intel-ixp42x-adi-coyote.dts new file mode 100644 index 0000000000..44c017b780 --- /dev/null +++ b/dts/src/arm/intel-ixp42x-adi-coyote.dts @@ -0,0 +1,110 @@ +// SPDX-License-Identifier: ISC +/* + * Device Tree file for ADI Engineering Coyote platform. + * Derived from boardfiles written by MontaVista software. + * Ethernet set-up from OpenWrt. + */ + +/dts-v1/; + +#include "intel-ixp42x.dtsi" +#include <dt-bindings/input/input.h> + +/ { + model = "ADI Engineering Coyote reference design"; + compatible = "adieng,coyote", "intel,ixp42x"; + #address-cells = <1>; + #size-cells = <1>; + + memory@0 { + /* CHECKME: 16 MB SDRAM minimum, maybe the Coyote actually has more */ + device_type = "memory"; + reg = <0x00000000 0x01000000>; + }; + + chosen { + bootargs = "console=ttyS0,115200n8 root=/dev/sda1 rw rootwait"; + stdout-path = "uart1:115200n8"; + }; + + aliases { + /* These are switched around */ + serial0 = &uart1; + serial1 = &uart0; + }; + + soc { + bus@c4000000 { + flash@0,0 { + compatible = "intel,ixp4xx-flash", "cfi-flash"; + bank-width = <2>; + /* + * 32 MB of Flash in 128 0x20000 sized blocks + * mapped in at CS0 and CS1 + */ + reg = <0 0x00000000 0x2000000>; + + /* Configure expansion bus to allow writes */ + intel,ixp4xx-eb-write-enable = <1>; + + partitions { + compatible = "redboot-fis"; + /* CHECKME: guess this is Redboot FIS */ + fis-index-block = <0x1ff>; + }; + }; + }; + + pci@c0000000 { + status = "ok"; + + /* + * Taken from Coyote PCI boardfile. + * We have slots (IDSEL) 1 and 2 with one assigned IRQ + * each handling all IRQs. + */ + interrupt-map = + /* IDSEL 1 */ + <0x0800 0 0 1 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 6 */ + <0x0800 0 0 2 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 1 is irq 6 */ + <0x0800 0 0 3 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 1 is irq 6 */ + <0x0800 0 0 4 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 1 is irq 6 */ + /* IDSEL 2 */ + <0x1000 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 11 */ + <0x1000 0 0 2 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 2 is irq 11 */ + <0x1000 0 0 3 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 2 is irq 11 */ + <0x1000 0 0 4 &gpio0 11 IRQ_TYPE_LEVEL_LOW>; /* INT D on slot 2 is irq 11 */ + }; + + /* EthB */ + ethernet@c8009000 { + status = "ok"; + queue-rx = <&qmgr 3>; + queue-txready = <&qmgr 20>; + phy-mode = "rgmii"; + phy-handle = <&phy5>; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + phy4: ethernet-phy@4 { + reg = <4>; + }; + + phy5: ethernet-phy@5 { + reg = <5>; + }; + }; + }; + + /* EthC */ + ethernet@c800a000 { + status = "ok"; + queue-rx = <&qmgr 4>; + queue-txready = <&qmgr 21>; + phy-mode = "rgmii"; + phy-handle = <&phy4>; + }; + }; +}; |