[PATCH 2/4] PowerPC 440EPx: Sequoia DTS
Valentine Barshak
vbarshak at ru.mvista.com
Thu Aug 16 02:56:54 EST 2007
David Gibson wrote:
> On Tue, Aug 14, 2007 at 10:48:43PM +0400, Valentine Barshak wrote:
>> AMCC Sequoia device tree.
>>
>> Signed-off-by: Valentine Barshak <vbarshak at ru.mvista.com>
>> ---
>> arch/powerpc/boot/dts/sequoia.dts | 289 ++++++++++++++++++++++++++++++++++++++
>> 1 files changed, 289 insertions(+)
>>
>> diff -ruN linux-2.6.orig/arch/powerpc/boot/dts/sequoia.dts linux-2.6/arch/powerpc/boot/dts/sequoia.dts
>> --- linux-2.6.orig/arch/powerpc/boot/dts/sequoia.dts 1970-01-01 03:00:00.000000000 +0300
>> +++ linux-2.6/arch/powerpc/boot/dts/sequoia.dts 2007-08-14 19:32:56.000000000 +0400
>> @@ -0,0 +1,289 @@
>> +/*
>> + * Device Tree Source for AMCC Sequoia
>> + *
>> + * Based on Bamboo code by Josh Boyer <jwboyer at linux.vnet.ibm.com>
>> + * Copyright (c) 2006, 2007 IBM Corp.
>> + *
>> + * FIXME: Draft only!
>> + *
>> + * 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.
>> + *
>> + */
>> +
>> +/ {
>> + #address-cells = <2>;
>> + #size-cells = <1>;
>> + model = "amcc,sequoia";
>> + compatible = "amcc,sequoia";
>> + dcr-parent = <&/cpus/PowerPC,440EPx at 0>;
>> +
>> + cpus {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + PowerPC,440EPx at 0 {
>> + device_type = "cpu";
>> + reg = <0>;
>> + clock-frequency = <0>; /* Filled in by zImage */
>> + timebase-frequency = <0>; /* Filled in by zImage */
>> + i-cache-line-size = <20>;
>> + d-cache-line-size = <20>;
>> + i-cache-size = <8000>;
>> + d-cache-size = <8000>;
>> + dcr-controller;
>> + dcr-access-method = "native";
>> + };
>> + };
>> +
>> + memory {
>> + device_type = "memory";
>> + reg = <0 0 0>; /* Filled in by zImage */
>> + };
>> +
>> + UIC0: interrupt-controller0 {
>> + compatible = "ibm,uic-440epx","ibm,uic";
>> + interrupt-controller;
>> + cell-index = <0>;
>> + dcr-reg = <0c0 009>;
>> + #address-cells = <0>;
>> + #size-cells = <0>;
>> + #interrupt-cells = <2>;
>> + };
>> +
>> + UIC1: interrupt-controller1 {
>> + compatible = "ibm,uic-440epx","ibm,uic";
>> + interrupt-controller;
>> + cell-index = <1>;
>> + dcr-reg = <0d0 009>;
>> + #address-cells = <0>;
>> + #size-cells = <0>;
>> + #interrupt-cells = <2>;
>> + interrupts = <1e 4 1f 4>; /* cascade */
>> + interrupt-parent = <&UIC0>;
>> + };
>> +
>> + UIC2: interrupt-controller2 {
>> + compatible = "ibm,uic-440epx","ibm,uic";
>> + interrupt-controller;
>> + cell-index = <2>;
>> + dcr-reg = <0e0 009>;
>> + #address-cells = <0>;
>> + #size-cells = <0>;
>> + #interrupt-cells = <2>;
>> + interrupts = <1c 4 1d 4>; /* cascade */
>> + interrupt-parent = <&UIC0>;
>> + };
>> +
>> + SDR0: sdr {
>> + compatible = "ibm,sdr-440epx", "ibm,sdr-440ep";
>
> Ok, I take it the 440EP really does have SDR and CPR devices with
> which the EPx variants are compatible?
Right.
>
>> + dcr-reg = <00e 002>;
>> + };
>> +
>> + CPR0: cpr {
>> + compatible = "ibm,cpr-440epx", "ibm,sdr-440ep";
>> + dcr-reg = <00c 002>;
>> + };
>> +
>> + plb {
>> + compatible = "ibm,plb-440epx", "ibm,plb4";
>> + #address-cells = <2>;
>> + #size-cells = <1>;
>> + ranges;
>> + clock-frequency = <0>; /* Filled in by zImage */
>> +
>> + SDRAM0: sdram {
>> + device_type = "memory-controller";
>> + compatible = "ibm,sdram-44x-ddr2denali";
>
> Should have an ibm,sdram-440epx entry as well, just in case of chip
> specific bugs / workarounds.
OK
>
>> + dcr-reg = <010 2>;
>> + };
>> +
>> + DMA0: dma {
>> + compatible = "ibm,dma-440epx", "ibm,dma-4xx";
>> + dcr-reg = <100 027>;
>> + };
>> +
>> + MAL0: mcmal {
>> + compatible = "ibm,mcmal-440epx", "ibm,mcmal-440spe", "ibm,mcmal2";
>
> What's the 440spe entry about?
Will remove. No need in 440spe with the updated EMAC driver.
>
>> + dcr-reg = <180 62>;
>> + num-tx-chans = <4>;
>> + num-rx-chans = <4>;
>> + interrupt-parent = <&MAL0>;
>> + interrupts = <0 1 2 3 4>;
>> + #interrupt-cells = <1>;
>> + #address-cells = <0>;
>> + #size-cells = <0>;
>> + interrupt-map = </*TXEOB*/ 0 &UIC0 a 4
>> + /*RXEOB*/ 1 &UIC0 b 4
>> + /*SERR*/ 2 &UIC1 0 4
>> + /*TXDE*/ 3 &UIC1 1 4
>> + /*RXDE*/ 4 &UIC1 2 4>;
>> + interrupt-map-mask = <ffffffff>;
>> + };
>> +
>> + POB0: opb {
>> + compatible = "ibm,opb-440epx", "ibm,opb";
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + /* Bamboo is oddball in the 44x world and doesn't use the ERPN
>> + * bits.
>> + */
>
> This incorrect and outdated comment is still here.
Sorry :)
>
>> + ranges = <00000000 1 00000000 80000000
>> + 80000000 1 80000000 80000000>;
>> + interrupt-parent = <&UIC1>;
>> + interrupts = <7 4>;
>> + clock-frequency = <0>; /* Filled in by zImage */
>> +
>> + EBC0: ebc {
>> + compatible = "ibm,ebc-440epx";
>
> Should have "ibm,ebc" too.
OK
>
>> + dcr-reg = <012 2>;
>> + #address-cells = <2>;
>> + #size-cells = <1>;
>> + clock-frequency = <0>; /* Filled in by zImage */
>> + interrupts = <5 1>;
>> + interrupt-parent = <&UIC1>;
>> +
>> + nor_flash at 0,0 {
>> + device_type = "rom";
>> + compatible = "direct-mapped";
>> + probe-type = "CFI";
>> + bank-width = <2>;
>> + partitions = < 0 180000
>> + 180000 200000
>> + 380000 3aa0000
>> + 3e20000 140000
>> + 3f60000 40000
>> + 3fa0000 60000>;
>> + partition-names = "Kernel", "ramdisk", "file system",
>> + "kozio", "env", "u-boot";
>> + reg = <0 000000 4000000>;
>> + };
>> +
>> + };
>> +
>> + UART0: serial at ef600300 {
>> + device_type = "serial";
>> + compatible = "ns16550";
>> + reg = <ef600300 8>;
>> + virtual-reg = <ef600300>;
>> + clock-frequency = <0>; /* Filled in by zImage */
>> + current-speed = <1c200>;
>> + interrupt-parent = <&UIC0>;
>> + interrupts = <0 4>;
>> + };
>> +
>> + UART1: serial at ef600400 {
>> + device_type = "serial";
>> + compatible = "ns16550";
>> + reg = <ef600400 8>;
>> + virtual-reg = <ef600400>;
>> + clock-frequency = <0>;
>> + current-speed = <0>;
>> + interrupt-parent = <&UIC0>;
>> + interrupts = <1 4>;
>> + };
>> +
>> + UART2: serial at ef600500 {
>> + device_type = "serial";
>> + compatible = "ns16550";
>> + reg = <ef600500 8>;
>> + virtual-reg = <ef600500>;
>> + clock-frequency = <0>;
>> + current-speed = <0>;
>> + interrupt-parent = <&UIC1>;
>> + interrupts = <3 4>;
>> + };
>> +
>> + UART3: serial at ef600600 {
>> + device_type = "serial";
>> + compatible = "ns16550";
>> + reg = <ef600600 8>;
>> + virtual-reg = <ef600600>;
>> + clock-frequency = <0>;
>> + current-speed = <0>;
>> + interrupt-parent = <&UIC1>;
>> + interrupts = <4 4>;
>> + };
>> +
>> + IIC0: i2c at ef600700 {
>> + device_type = "i2c";
>> + compatible = "ibm,iic-440epx", "ibm,iic";
>> + reg = <ef600700 14>;
>> + interrupt-parent = <&UIC0>;
>> + interrupts = <2 4>;
>> + };
>> +
>> + IIC1: i2c at ef600800 {
>> + device_type = "i2c";
>> + compatible = "ibm,iic-440epx", "ibm,iic";
>> + reg = <ef600800 14>;
>> + interrupt-parent = <&UIC0>;
>> + interrupts = <7 4>;
>> + };
>> +
>> + ZMII0: emac-zmii at ef600d00 {
>> + device_type = "zmii-interface";
>> + compatible = "ibm,zmii-440epx", "ibm,zmii";
>> + reg = <ef600d00 c>;
>> + };
>> +
>> + EMAC0: ethernet at ef600e00 {
>> + linux,network-index = <0>;
>> + device_type = "network";
>> + compatible = "ibm,emac-440epx", "ibm,emac-440spe", "ibm,emac4";
>
> Again what's the ibm,emac-440spe about?
It's about to be removed from here :)
>
>> + interrupt-parent = <&EMAC0>;
>> + interrupts = <0 1>;
>> + #interrupt-cells = <1>;
>> + #address-cells = <0>;
>> + #size-cells = <0>;
>> + interrupt-map = </*Status*/ 0 &UIC0 18 4
>> + /*Wake*/ 1 &UIC1 1d 4>;
>> + reg = <ef600e00 70>;
>> + local-mac-address = [000000000000];
>> + mal-device = <&MAL0>;
>> + mal-tx-channel = <0 1>;
>> + mal-rx-channel = <0>;
>> + cell-index = <0>;
>> + max-frame-size = <5dc>;
>> + rx-fifo-size = <1000>;
>> + tx-fifo-size = <800>;
>> + phy-mode = "rmii";
>> + phy-map = <00000000>;
>> + zmii-device = <&ZMII0>;
>> + zmii-channel = <0>;
>> + };
>> +
>> + EMAC1: ethernet at ef600f00 {
>> + linux,network-index = <1>;
>> + device_type = "network";
>> + compatible = "ibm,emac-440epx", "ibm,emac-440spe", "ibm,emac4";
>> + interrupt-parent = <&EMAC1>;
>> + interrupts = <0 1>;
>> + #interrupt-cells = <1>;
>> + #address-cells = <0>;
>> + #size-cells = <0>;
>> + interrupt-map = </*Status*/ 0 &UIC0 19 4
>> + /*Wake*/ 1 &UIC1 1f 4>;
>> + reg = <ef600f00 70>;
>> + local-mac-address = [000000000000];
>> + mal-device = <&MAL0>;
>> + mal-tx-channel = <2 3>;
>> + mal-rx-channel = <1>;
>> + cell-index = <1>;
>> + max-frame-size = <5dc>;
>> + rx-fifo-size = <1000>;
>> + tx-fifo-size = <800>;
>> + phy-mode = "rmii";
>> + phy-map = <00000000>;
>> + zmii-device = <&ZMII0>;
>> + zmii-channel = <1>;
>> + };
>> + };
>> + };
>> +
>> + chosen {
>> + linux,stdout-path = "/plb/opb/serial at ef600300";
>> + bootargs = "console=ttyS0,115200";
>> + };
>> +};
>> _______________________________________________
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>> Linuxppc-dev at ozlabs.org
>> https://ozlabs.org/mailman/listinfo/linuxppc-dev
>>
>
Thanks,
Valentine.
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