diff options
Diffstat (limited to 'arch/powerpc/boot/dts/walnut.dts')
| -rw-r--r-- | arch/powerpc/boot/dts/walnut.dts | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/arch/powerpc/boot/dts/walnut.dts b/arch/powerpc/boot/dts/walnut.dts new file mode 100644 index 000000000..4a9f726ad --- /dev/null +++ b/arch/powerpc/boot/dts/walnut.dts @@ -0,0 +1,246 @@ +/* + * Device Tree Source for IBM Walnut + * + * Copyright 2007 IBM Corp. + * Josh Boyer <jwboyer@linux.vnet.ibm.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without + * any warranty of any kind, whether express or implied. + */ + +/dts-v1/; + +/ { + #address-cells = <1>; + #size-cells = <1>; + model = "ibm,walnut"; + compatible = "ibm,walnut"; + dcr-parent = <&{/cpus/cpu@0}>; + + aliases { + ethernet0 = &EMAC; + serial0 = &UART0; + serial1 = &UART1; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + model = "PowerPC,405GP"; + reg = <0x00000000>; + clock-frequency = <200000000>; /* Filled in by zImage */ + timebase-frequency = <0>; /* Filled in by zImage */ + i-cache-line-size = <32>; + d-cache-line-size = <32>; + i-cache-size = <16384>; + d-cache-size = <16384>; + dcr-controller; + dcr-access-method = "native"; + }; + }; + + memory { + device_type = "memory"; + reg = <0x00000000 0x00000000>; /* Filled in by zImage */ + }; + + UIC0: interrupt-controller { + compatible = "ibm,uic"; + interrupt-controller; + cell-index = <0>; + dcr-reg = <0x0c0 0x009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + }; + + plb { + compatible = "ibm,plb3"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + clock-frequency = <0>; /* Filled in by zImage */ + + SDRAM0: memory-controller { + compatible = "ibm,sdram-405gp"; + dcr-reg = <0x010 0x002>; + }; + + MAL: mcmal { + compatible = "ibm,mcmal-405gp", "ibm,mcmal"; + dcr-reg = <0x180 0x062>; + num-tx-chans = <1>; + num-rx-chans = <1>; + interrupt-parent = <&UIC0>; + interrupts = < + 0xb 0x4 /* TXEOB */ + 0xc 0x4 /* RXEOB */ + 0xa 0x4 /* SERR */ + 0xd 0x4 /* TXDE */ + 0xe 0x4 /* RXDE */>; + }; + + POB0: opb { + compatible = "ibm,opb-405gp", "ibm,opb"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0xef600000 0xef600000 0x00a00000>; + dcr-reg = <0x0a0 0x005>; + clock-frequency = <0>; /* Filled in by zImage */ + + UART0: serial@ef600300 { + device_type = "serial"; + compatible = "ns16550"; + reg = <0xef600300 0x00000008>; + virtual-reg = <0xef600300>; + clock-frequency = <0>; /* Filled in by zImage */ + current-speed = <9600>; + interrupt-parent = <&UIC0>; + interrupts = <0x0 0x4>; + }; + + UART1: serial@ef600400 { + device_type = "serial"; + compatible = "ns16550"; + reg = <0xef600400 0x00000008>; + virtual-reg = <0xef600400>; + clock-frequency = <0>; /* Filled in by zImage */ + current-speed = <9600>; + interrupt-parent = <&UIC0>; + interrupts = <0x1 0x4>; + }; + + IIC: i2c@ef600500 { + compatible = "ibm,iic-405gp", "ibm,iic"; + reg = <0xef600500 0x00000011>; + interrupt-parent = <&UIC0>; + interrupts = <0x2 0x4>; + }; + + GPIO: gpio@ef600700 { + compatible = "ibm,gpio-405gp"; + reg = <0xef600700 0x00000020>; + }; + + EMAC: ethernet@ef600800 { + device_type = "network"; + compatible = "ibm,emac-405gp", "ibm,emac"; + interrupt-parent = <&UIC0>; + interrupts = < + 0xf 0x4 /* Ethernet */ + 0x9 0x4 /* Ethernet Wake Up */>; + local-mac-address = [000000000000]; /* Filled in by zImage */ + reg = <0xef600800 0x00000070>; + mal-device = <&MAL>; + mal-tx-channel = <0>; + mal-rx-channel = <0>; + cell-index = <0>; + max-frame-size = <1500>; + rx-fifo-size = <4096>; + tx-fifo-size = <2048>; + phy-mode = "rmii"; + phy-map = <0x00000001>; + }; + + }; + + EBC0: ebc { + compatible = "ibm,ebc-405gp", "ibm,ebc"; + dcr-reg = <0x012 0x002>; + #address-cells = <2>; + #size-cells = <1>; + /* The ranges property is supplied by the bootwrapper + * and is based on the firmware's configuration of the + * EBC bridge + */ + clock-frequency = <0>; /* Filled in by zImage */ + + sram@0,0 { + reg = <0x00000000 0x00000000 0x00080000>; + }; + + flash@0,80000 { + compatible = "jedec-flash"; + bank-width = <1>; + reg = <0x00000000 0x00080000 0x00080000>; + #address-cells = <1>; + #size-cells = <1>; + partition@0 { + label = "OpenBIOS"; + reg = <0x00000000 0x00080000>; + read-only; + }; + }; + + nvram@1,0 { + /* NVRAM and RTC */ + compatible = "ds1743-nvram"; + #bytes = <0x2000>; + reg = <0x00000001 0x00000000 0x00002000>; + }; + + keyboard@2,0 { + compatible = "intel,82C42PC"; + reg = <0x00000002 0x00000000 0x00000002>; + }; + + ir@3,0 { + compatible = "ti,TIR2000PAG"; + reg = <0x00000003 0x00000000 0x00000010>; + }; + + fpga@7,0 { + compatible = "Walnut-FPGA"; + reg = <0x00000007 0x00000000 0x00000010>; + virtual-reg = <0xf0300005>; + }; + }; + + PCI0: pci@ec000000 { + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + compatible = "ibm,plb405gp-pci", "ibm,plb-pci"; + primary; + reg = <0xeec00000 0x00000008 /* Config space access */ + 0xeed80000 0x00000004 /* IACK */ + 0xeed80000 0x00000004 /* Special cycle */ + 0xef480000 0x00000040>; /* Internal registers */ + + /* Outbound ranges, one memory and one IO, + * later cannot be changed. Chip supports a second + * IO range but we don't use it for now + */ + ranges = <0x02000000 0x00000000 0x80000000 0x80000000 0x00000000 0x20000000 + 0x01000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>; + + /* Inbound 2GB range starting at 0 */ + dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x80000000>; + + /* Walnut has all 4 IRQ pins tied together per slot */ + interrupt-map-mask = <0xf800 0x0 0x0 0x0>; + interrupt-map = < + /* IDSEL 1 */ + 0x800 0x0 0x0 0x0 &UIC0 0x1c 0x8 + + /* IDSEL 2 */ + 0x1000 0x0 0x0 0x0 &UIC0 0x1d 0x8 + + /* IDSEL 3 */ + 0x1800 0x0 0x0 0x0 &UIC0 0x1e 0x8 + + /* IDSEL 4 */ + 0x2000 0x0 0x0 0x0 &UIC0 0x1f 0x8 + >; + }; + }; + + chosen { + linux,stdout-path = "/plb/opb/serial@ef600300"; + }; +}; |