[PATCH 0/8] Implement a new DTS Source Language
Jon Loeliger
jdl at freescale.com
Thu Sep 25 02:51:45 EST 2008
On Tue, 2008-09-23 at 21:34 -0500, Kumar Gala wrote:
> Any examples/tests of all the cool new features?
>
> - k
Here is a QAD example based on the MPC8641 DTS file
as found in the arch/powerpc/boot/dts directory today.
It is maybe not the best example, but it shows the
flavor of what can be done.
Enjoy,
jdl
/*
* MPC8641 HPCN Device Tree Source
*
* Copyright 2006 Freescale Semiconductor Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
/dts-v1/;
/define/ make_cpu(\cpu)
{
"PowerPC,8641@" % \cpu {
device_type = "cpu";
reg = < (\cpu) >;
d-cache-line-size = <32>;
i-cache-line-size = <32>;
d-cache-size = <32768>; // L1
i-cache-size = <32768>; // L1
timebase-frequency = <0>; // From uboot
bus-frequency = <0>; // From uboot
clock-frequency = <0>; // From uboot
};
}
/define/ make_i2c(\id, \addr)
{
"i2c@" % \hexstr(\addr) {
#address-cells = <1>;
#size-cells = <0>;
cell-index = <\id>;
compatible = "fsl-i2c";
reg = < (\addr) 0x100>;
interrupts = <43 2>;
interrupt-parent = <&mpic>;
dfsrr;
};
}
/define/ make_ethernet(\id, \addr)
{
"enet" % \id : "ethernet@" % \hexstr(\addr) {
cell-index = <\id>;
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = < (\addr) 0x1000>;
local-mac-address = [ 00 00 00 00 00 00 ];
if (\id == 0) {
interrupts = <29 2 30 2 34 2>;
}
if (\id == 1) {
interrupts = <35 2 36 2 40 2>;
}
if (\id == 2) {
interrupts = <31 2 32 2 33 2>;
}
if (\id == 3) {
interrupts = <37 2 38 2 39 2>;
}
interrupt-parent = <&mpic>;
phy-handle = <&("phy" % \id)>;
phy-connection-type = "rgmii-id";
};
}
/define/ make_ethernet_phy(\id)
{
"phy" % \id : "ethernet-phy@" % \id {
interrupt-parent = <&mpic>;
interrupts = <10 1>;
reg = < (\id) >;
device_type = "ethernet-phy";
};
}
/define/ make_dma_channel(\id)
{
"dma-channel@" % hexstr(\id * 0x80) {
compatible = "fsl,mpc8641-dma-channel",
"fsl,eloplus-dma-channel";
reg = < (0x80 * \id) 0x80>;
cell-index = < (\id) >;
interrupt-parent = <&mpic>;
interrupts = < (20 + \id) 2>;
};
}
/define/ make_serial(\id, \addr)
{
"serial" % \id : "serial@" % hexstr(\addr) {
cell-index = < (\id) >;
device_type = "serial";
compatible = "ns16550";
reg = < (\addr) 0x100>;
clock-frequency = <0>;
if (\id == 0) {
interrupts = <42 2>;
} else {
interrupts = <28 2>;
}
interrupt-parent = <&mpic>;
};
}
/ {
model = "MPC8641HPCN";
compatible = "fsl,mpc8641hpcn";
#address-cells = <1>;
#size-cells = <1>;
aliases {
ethernet0 = &enet0;
ethernet1 = &enet1;
ethernet2 = &enet2;
ethernet3 = &enet3;
serial0 = &serial0;
serial1 = &serial1;
pci0 = &pci0;
pci1 = &pci1;
rapidio0 = &rapidio0;
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
make_cpu(0);
make_cpu(1);
};
memory {
device_type = "memory";
reg = <0x00000000 0x40000000>; // 1G at 0x0
};
localbus at f8005000 {
#address-cells = <2>;
#size-cells = <1>;
compatible = "fsl,mpc8641-localbus", "simple-bus";
reg = <0xf8005000 0x1000>;
interrupts = <19 2>;
interrupt-parent = <&mpic>;
ranges = <0 0 0xff800000 0x00800000
1 0 0xfe000000 0x01000000
2 0 0xf8200000 0x00100000
3 0 0xf8100000 0x00100000>;
flash at 0,0 {
compatible = "cfi-flash";
reg = <0 0 0x00800000>;
bank-width = <2>;
device-width = <2>;
#address-cells = <1>;
#size-cells = <1>;
partition at 0 {
label = "kernel";
reg = <0x00000000 0x00300000>;
};
partition at 300000 {
label = "firmware b";
reg = <0x00300000 0x00100000>;
read-only;
};
partition at 400000 {
label = "fs";
reg = <0x00400000 0x00300000>;
};
partition at 700000 {
label = "firmware a";
reg = <0x00700000 0x00100000>;
read-only;
};
};
};
soc8641 at f8000000 {
#address-cells = <1>;
#size-cells = <1>;
device_type = "soc";
compatible = "simple-bus";
ranges = <0x00000000 0xf8000000 0x00100000>;
reg = <0xf8000000 0x00001000>; // CCSRBAR
bus-frequency = <0>;
make_i2c(0, 0x3000);
make_i2c(1, 0x3100);
dma at 21300 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "fsl,mpc8641-dma", "fsl,eloplus-dma";
reg = <0x21300 0x4>;
ranges = <0x0 0x21100 0x200>;
cell-index = <0>;
for \i in 0 .. 3 {
make_dma_channel(\i);
}
};
mdio at 24520 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,gianfar-mdio";
reg = <0x24520 0x20>;
for \i in 0 .. 3 {
make_ethernet_phy(\i);
}
};
for \i in 0 .. 3 {
make_ethernet(\i, 0x24000 + \i * 0x1000);
}
make_serial(0, 0x4500);
make_serial(1, 0x4600);
mpic: pic at 40000 {
interrupt-controller;
#address-cells = <0>;
#interrupt-cells = <2>;
reg = <0x40000 0x40000>;
compatible = "chrp,open-pic";
device_type = "open-pic";
};
global-utilities at e0000 {
compatible = "fsl,mpc8641-guts";
reg = <0xe0000 0x1000>;
fsl,has-rstcr;
};
};
pci0: pcie at f8008000 {
cell-index = <0>;
compatible = "fsl,mpc8641-pcie";
device_type = "pci";
#interrupt-cells = <1>;
#size-cells = <2>;
#address-cells = <3>;
reg = <0xf8008000 0x1000>;
bus-range = <0x0 0xff>;
ranges = <0x02000000 0x0 0x80000000 0x80000000 0x0 0x20000000
0x01000000 0x0 0x00000000 0xe2000000 0x0 0x00100000>;
clock-frequency = <33333333>;
interrupt-parent = <&mpic>;
interrupts = <24 2>;
interrupt-map-mask = <0xff00 0 0 7>;
interrupt-map = <
/* IDSEL 0x11 func 0 - PCI slot 1 */
0x8800 0 0 1 &mpic 2 1
0x8800 0 0 2 &mpic 3 1
0x8800 0 0 3 &mpic 4 1
0x8800 0 0 4 &mpic 1 1
/* IDSEL 0x11 func 1 - PCI slot 1 */
0x8900 0 0 1 &mpic 2 1
0x8900 0 0 2 &mpic 3 1
0x8900 0 0 3 &mpic 4 1
0x8900 0 0 4 &mpic 1 1
/* IDSEL 0x11 func 2 - PCI slot 1 */
0x8a00 0 0 1 &mpic 2 1
0x8a00 0 0 2 &mpic 3 1
0x8a00 0 0 3 &mpic 4 1
0x8a00 0 0 4 &mpic 1 1
/* IDSEL 0x11 func 3 - PCI slot 1 */
0x8b00 0 0 1 &mpic 2 1
0x8b00 0 0 2 &mpic 3 1
0x8b00 0 0 3 &mpic 4 1
0x8b00 0 0 4 &mpic 1 1
/* IDSEL 0x11 func 4 - PCI slot 1 */
0x8c00 0 0 1 &mpic 2 1
0x8c00 0 0 2 &mpic 3 1
0x8c00 0 0 3 &mpic 4 1
0x8c00 0 0 4 &mpic 1 1
/* IDSEL 0x11 func 5 - PCI slot 1 */
0x8d00 0 0 1 &mpic 2 1
0x8d00 0 0 2 &mpic 3 1
0x8d00 0 0 3 &mpic 4 1
0x8d00 0 0 4 &mpic 1 1
/* IDSEL 0x11 func 6 - PCI slot 1 */
0x8e00 0 0 1 &mpic 2 1
0x8e00 0 0 2 &mpic 3 1
0x8e00 0 0 3 &mpic 4 1
0x8e00 0 0 4 &mpic 1 1
/* IDSEL 0x11 func 7 - PCI slot 1 */
0x8f00 0 0 1 &mpic 2 1
0x8f00 0 0 2 &mpic 3 1
0x8f00 0 0 3 &mpic 4 1
0x8f00 0 0 4 &mpic 1 1
/* IDSEL 0x12 func 0 - PCI slot 2 */
0x9000 0 0 1 &mpic 3 1
0x9000 0 0 2 &mpic 4 1
0x9000 0 0 3 &mpic 1 1
0x9000 0 0 4 &mpic 2 1
/* IDSEL 0x12 func 1 - PCI slot 2 */
0x9100 0 0 1 &mpic 3 1
0x9100 0 0 2 &mpic 4 1
0x9100 0 0 3 &mpic 1 1
0x9100 0 0 4 &mpic 2 1
/* IDSEL 0x12 func 2 - PCI slot 2 */
0x9200 0 0 1 &mpic 3 1
0x9200 0 0 2 &mpic 4 1
0x9200 0 0 3 &mpic 1 1
0x9200 0 0 4 &mpic 2 1
/* IDSEL 0x12 func 3 - PCI slot 2 */
0x9300 0 0 1 &mpic 3 1
0x9300 0 0 2 &mpic 4 1
0x9300 0 0 3 &mpic 1 1
0x9300 0 0 4 &mpic 2 1
/* IDSEL 0x12 func 4 - PCI slot 2 */
0x9400 0 0 1 &mpic 3 1
0x9400 0 0 2 &mpic 4 1
0x9400 0 0 3 &mpic 1 1
0x9400 0 0 4 &mpic 2 1
/* IDSEL 0x12 func 5 - PCI slot 2 */
0x9500 0 0 1 &mpic 3 1
0x9500 0 0 2 &mpic 4 1
0x9500 0 0 3 &mpic 1 1
0x9500 0 0 4 &mpic 2 1
/* IDSEL 0x12 func 6 - PCI slot 2 */
0x9600 0 0 1 &mpic 3 1
0x9600 0 0 2 &mpic 4 1
0x9600 0 0 3 &mpic 1 1
0x9600 0 0 4 &mpic 2 1
/* IDSEL 0x12 func 7 - PCI slot 2 */
0x9700 0 0 1 &mpic 3 1
0x9700 0 0 2 &mpic 4 1
0x9700 0 0 3 &mpic 1 1
0x9700 0 0 4 &mpic 2 1
// IDSEL 0x1c USB
0xe000 0 0 1 &i8259 12 2
0xe100 0 0 2 &i8259 9 2
0xe200 0 0 3 &i8259 10 2
0xe300 0 0 4 &i8259 11 2
// IDSEL 0x1d Audio
0xe800 0 0 1 &i8259 6 2
// IDSEL 0x1e Legacy
0xf000 0 0 1 &i8259 7 2
0xf100 0 0 1 &i8259 7 2
// IDSEL 0x1f IDE/SATA
0xf800 0 0 1 &i8259 14 2
0xf900 0 0 1 &i8259 5 2
>;
pcie at 0 {
reg = <0 0 0 0 0>;
#size-cells = <2>;
#address-cells = <3>;
device_type = "pci";
ranges = <0x02000000 0x0 0x80000000
0x02000000 0x0 0x80000000
0x0 0x20000000
0x01000000 0x0 0x00000000
0x01000000 0x0 0x00000000
0x0 0x00100000>;
uli1575 at 0 {
reg = <0 0 0 0 0>;
#size-cells = <2>;
#address-cells = <3>;
ranges = <0x02000000 0x0 0x80000000
0x02000000 0x0 0x80000000
0x0 0x20000000
0x01000000 0x0 0x00000000
0x01000000 0x0 0x00000000
0x0 0x00100000>;
isa at 1e {
device_type = "isa";
#interrupt-cells = <2>;
#size-cells = <1>;
#address-cells = <2>;
reg = <0xf000 0 0 0 0>;
ranges = <1 0 0x01000000 0 0
0x00001000>;
interrupt-parent = <&i8259>;
i8259: interrupt-controller at 20 {
reg = <1 0x20 2
1 0xa0 2
1 0x4d0 2>;
interrupt-controller;
device_type = "interrupt-controller";
#address-cells = <0>;
#interrupt-cells = <2>;
compatible = "chrp,iic";
interrupts = <9 2>;
interrupt-parent = <&mpic>;
};
i8042 at 60 {
#size-cells = <0>;
#address-cells = <1>;
reg = <1 0x60 1 1 0x64 1>;
interrupts = <1 3 12 3>;
interrupt-parent =
<&i8259>;
keyboard at 0 {
reg = <0>;
compatible = "pnpPNP,303";
};
mouse at 1 {
reg = <1>;
compatible = "pnpPNP,f03";
};
};
rtc at 70 {
compatible =
"pnpPNP,b00";
reg = <1 0x70 2>;
};
gpio at 400 {
reg = <1 0x400 0x80>;
};
};
};
};
};
pci1: pcie at f8009000 {
cell-index = <1>;
compatible = "fsl,mpc8641-pcie";
device_type = "pci";
#interrupt-cells = <1>;
#size-cells = <2>;
#address-cells = <3>;
reg = <0xf8009000 0x1000>;
bus-range = <0 0xff>;
ranges = <0x02000000 0x0 0xa0000000 0xa0000000 0x0 0x20000000
0x01000000 0x0 0x00000000 0xe3000000 0x0 0x00100000>;
clock-frequency = <33333333>;
interrupt-parent = <&mpic>;
interrupts = <25 2>;
interrupt-map-mask = <0xf800 0 0 7>;
interrupt-map = <
/* IDSEL 0x0 */
0x0000 0 0 1 &mpic 4 1
0x0000 0 0 2 &mpic 5 1
0x0000 0 0 3 &mpic 6 1
0x0000 0 0 4 &mpic 7 1
>;
pcie at 0 {
reg = <0 0 0 0 0>;
#size-cells = <2>;
#address-cells = <3>;
device_type = "pci";
ranges = <0x02000000 0x0 0xa0000000
0x02000000 0x0 0xa0000000
0x0 0x20000000
0x01000000 0x0 0x00000000
0x01000000 0x0 0x00000000
0x0 0x00100000>;
};
};
rapidio0: rapidio at f80c0000 {
#address-cells = <2>;
#size-cells = <2>;
compatible = "fsl,rapidio-delta";
reg = <0xf80c0000 0x20000>;
ranges = <0 0 0xc0000000 0 0x20000000>;
interrupt-parent = <&mpic>;
/* err_irq bell_outb_irq bell_inb_irq
msg1_tx_irq msg1_rx_irq msg2_tx_irq msg2_rx_irq */
interrupts = <48 2 49 2 50 2 53 2 54 2 55 2 56 2>;
};
};
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