/*
* 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 = "ok";
};
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>;
};
IIC0: i2c@00000000 {
compatible = "ibm,iic-currituck", "ibm,iic";
reg = <0x0 0x00000014>;
interrupt-parent = <&MPIC>;
interrupts = <79 2>;
#address-cells = <1>;
#size-cells = <0>;
rtc@68 {
compatible = "stm,m41t80", "m41st85";
reg = <0x68>;
};
};
};
PCIE0: pciex@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: pciex@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: pciex@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 {
linux,stdout-path = &UART0;
};
};