| /* |
| * Device Tree Source for IBM Embedded PPC 476 Platform |
| * |
| * Copyright © 2011 Tony Breeds IBM Corporation |
| * |
| * 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/; |
| |
| /memreserve/ 0x01f00000 0x00100000; // spin table |
| |
| / { |
| #address-cells = <2>; |
| #size-cells = <2>; |
| model = "ibm,currituck"; |
| compatible = "ibm,currituck"; |
| dcr-parent = <&{/cpus/cpu@0}>; |
| |
| aliases { |
| serial0 = &UART0; |
| }; |
| |
| cpus { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| cpu@0 { |
| device_type = "cpu"; |
| model = "PowerPC,476"; |
| reg = <0>; |
| clock-frequency = <1600000000>; // 1.6 GHz |
| timebase-frequency = <100000000>; // 100Mhz |
| i-cache-line-size = <32>; |
| d-cache-line-size = <32>; |
| i-cache-size = <32768>; |
| d-cache-size = <32768>; |
| dcr-controller; |
| dcr-access-method = "native"; |
| status = "okay"; |
| }; |
| cpu@1 { |
| device_type = "cpu"; |
| model = "PowerPC,476"; |
| reg = <1>; |
| clock-frequency = <1600000000>; // 1.6 GHz |
| timebase-frequency = <100000000>; // 100Mhz |
| i-cache-line-size = <32>; |
| d-cache-line-size = <32>; |
| i-cache-size = <32768>; |
| d-cache-size = <32768>; |
| dcr-controller; |
| dcr-access-method = "native"; |
| status = "disabled"; |
| enable-method = "spin-table"; |
| cpu-release-addr = <0x0 0x01f00000>; |
| }; |
| }; |
| |
| memory { |
| device_type = "memory"; |
| reg = <0x0 0x0 0x0 0x0>; // filled in by zImage |
| }; |
| |
| MPIC: interrupt-controller { |
| compatible = "chrp,open-pic"; |
| interrupt-controller; |
| dcr-reg = <0xffc00000 0x00040000>; |
| #address-cells = <0>; |
| #size-cells = <0>; |
| #interrupt-cells = <2>; |
| |
| }; |
| |
| plb { |
| compatible = "ibm,plb6"; |
| #address-cells = <2>; |
| #size-cells = <2>; |
| ranges; |
| clock-frequency = <200000000>; // 200Mhz |
| |
| POB0: opb { |
| compatible = "ibm,opb-4xx", "ibm,opb"; |
| #address-cells = <1>; |
| #size-cells = <1>; |
| /* Wish there was a nicer way of specifying a full |
| * 32-bit range |
| */ |
| ranges = <0x00000000 0x00000200 0x00000000 0x80000000 |
| 0x80000000 0x00000200 0x80000000 0x80000000>; |
| clock-frequency = <100000000>; |
| |
| UART0: serial@10000000 { |
| device_type = "serial"; |
| compatible = "ns16750", "ns16550"; |
| reg = <0x10000000 0x00000008>; |
| virtual-reg = <0xe1000000>; |
| clock-frequency = <1851851>; // PCIe refclk/MCGC0_CTL[UART] |
| current-speed = <115200>; |
| interrupt-parent = <&MPIC>; |
| interrupts = <34 2>; |
| }; |
| |
| FPGA0: fpga@50000000 { |
| compatible = "ibm,currituck-fpga"; |
| reg = <0x50000000 0x4>; |
| }; |
| |
| IIC0: i2c@0 { |
| compatible = "ibm,iic-currituck", "ibm,iic"; |
| reg = <0x0 0x00000014>; |
| interrupt-parent = <&MPIC>; |
| interrupts = <79 2>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| rtc@68 { |
| compatible = "st,m41t80", "m41st85"; |
| reg = <0x68>; |
| }; |
| }; |
| }; |
| |
| PCIE0: pcie@10100000000 { // 4xGBIF1 |
| device_type = "pci"; |
| #interrupt-cells = <1>; |
| #size-cells = <2>; |
| #address-cells = <3>; |
| compatible = "ibm,plb-pciex-476fpe", "ibm,plb-pciex"; |
| primary; |
| port = <0x0>; /* port number */ |
| reg = <0x00000101 0x00000000 0x0 0x10000000 /* Config space access */ |
| 0x00000100 0x00000000 0x0 0x00001000>; /* UTL Registers space access */ |
| dcr-reg = <0x80 0x20>; |
| |
| // pci_space < pci_addr > < cpu_addr > < size > |
| ranges = <0x02000000 0x00000000 0x80000000 0x00000110 0x80000000 0x0 0x80000000 |
| 0x01000000 0x0 0x0 0x00000140 0x0 0x0 0x00010000>; |
| |
| /* Inbound starting at 0 to memsize filled in by zImage */ |
| dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>; |
| |
| /* This drives busses 0 to 0xf */ |
| bus-range = <0x0 0xf>; |
| |
| /* Legacy interrupts (note the weird polarity, the bridge seems |
| * to invert PCIe legacy interrupts). |
| * We are de-swizzling here because the numbers are actually for |
| * port of the root complex virtual P2P bridge. But I want |
| * to avoid putting a node for it in the tree, so the numbers |
| * below are basically de-swizzled numbers. |
| * The real slot is on idsel 0, so the swizzling is 1:1 |
| */ |
| interrupt-map-mask = <0x0 0x0 0x0 0x7>; |
| interrupt-map = < |
| 0x0 0x0 0x0 0x1 &MPIC 46 0x2 /* int A */ |
| 0x0 0x0 0x0 0x2 &MPIC 47 0x2 /* int B */ |
| 0x0 0x0 0x0 0x3 &MPIC 48 0x2 /* int C */ |
| 0x0 0x0 0x0 0x4 &MPIC 49 0x2 /* int D */>; |
| }; |
| |
| PCIE1: pcie@30100000000 { // 4xGBIF0 |
| device_type = "pci"; |
| #interrupt-cells = <1>; |
| #size-cells = <2>; |
| #address-cells = <3>; |
| compatible = "ibm,plb-pciex-476fpe", "ibm,plb-pciex"; |
| primary; |
| port = <0x1>; /* port number */ |
| reg = <0x00000301 0x00000000 0x0 0x10000000 /* Config space access */ |
| 0x00000300 0x00000000 0x0 0x00001000>; /* UTL Registers space access */ |
| dcr-reg = <0x60 0x20>; |
| |
| ranges = <0x02000000 0x00000000 0x80000000 0x00000310 0x80000000 0x0 0x80000000 |
| 0x01000000 0x0 0x0 0x00000340 0x0 0x0 0x00010000>; |
| |
| /* Inbound starting at 0 to memsize filled in by zImage */ |
| dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>; |
| |
| /* This drives busses 0 to 0xf */ |
| bus-range = <0x0 0xf>; |
| |
| /* Legacy interrupts (note the weird polarity, the bridge seems |
| * to invert PCIe legacy interrupts). |
| * We are de-swizzling here because the numbers are actually for |
| * port of the root complex virtual P2P bridge. But I want |
| * to avoid putting a node for it in the tree, so the numbers |
| * below are basically de-swizzled numbers. |
| * The real slot is on idsel 0, so the swizzling is 1:1 |
| */ |
| interrupt-map-mask = <0x0 0x0 0x0 0x7>; |
| interrupt-map = < |
| 0x0 0x0 0x0 0x1 &MPIC 38 0x2 /* int A */ |
| 0x0 0x0 0x0 0x2 &MPIC 39 0x2 /* int B */ |
| 0x0 0x0 0x0 0x3 &MPIC 40 0x2 /* int C */ |
| 0x0 0x0 0x0 0x4 &MPIC 41 0x2 /* int D */>; |
| }; |
| |
| PCIE2: pcie@38100000000 { // 2xGBIF0 |
| device_type = "pci"; |
| #interrupt-cells = <1>; |
| #size-cells = <2>; |
| #address-cells = <3>; |
| compatible = "ibm,plb-pciex-476fpe", "ibm,plb-pciex"; |
| primary; |
| port = <0x2>; /* port number */ |
| reg = <0x00000381 0x00000000 0x0 0x10000000 /* Config space access */ |
| 0x00000380 0x00000000 0x0 0x00001000>; /* UTL Registers space access */ |
| dcr-reg = <0xA0 0x20>; |
| |
| ranges = <0x02000000 0x00000000 0x80000000 0x00000390 0x80000000 0x0 0x80000000 |
| 0x01000000 0x0 0x0 0x000003C0 0x0 0x0 0x00010000>; |
| |
| /* Inbound starting at 0 to memsize filled in by zImage */ |
| dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>; |
| |
| /* This drives busses 0 to 0xf */ |
| bus-range = <0x0 0xf>; |
| |
| /* Legacy interrupts (note the weird polarity, the bridge seems |
| * to invert PCIe legacy interrupts). |
| * We are de-swizzling here because the numbers are actually for |
| * port of the root complex virtual P2P bridge. But I want |
| * to avoid putting a node for it in the tree, so the numbers |
| * below are basically de-swizzled numbers. |
| * The real slot is on idsel 0, so the swizzling is 1:1 |
| */ |
| interrupt-map-mask = <0x0 0x0 0x0 0x7>; |
| interrupt-map = < |
| 0x0 0x0 0x0 0x1 &MPIC 54 0x2 /* int A */ |
| 0x0 0x0 0x0 0x2 &MPIC 55 0x2 /* int B */ |
| 0x0 0x0 0x0 0x3 &MPIC 56 0x2 /* int C */ |
| 0x0 0x0 0x0 0x4 &MPIC 57 0x2 /* int D */>; |
| }; |
| |
| }; |
| |
| chosen { |
| stdout-path = &UART0; |
| }; |
| }; |
