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kernel_samsung_a34x-permissive/arch/powerpc/boot/dts/ebony.dts
Fede2782 c05564c4d8
Import A346BXXU1AWB9 kernel source 
Android 13
2024-04-28 15:49:01 +02:00

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/*
* Device Tree Source for IBM Ebony
*
* Copyright (c) 2006, 2007 IBM Corp.
* Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com>
*
* 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.
*/
/dts-v1/;
/ {
#address-cells = <2>;
#size-cells = <1>;
model = "ibm,ebony";
compatible = "ibm,ebony";
dcr-parent = <&{/cpus/cpu@0}>;
aliases {
ethernet0 = &EMAC0;
ethernet1 = &EMAC1;
serial0 = &UART0;
serial1 = &UART1;
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
device_type = "cpu";
model = "PowerPC,440GP";
reg = <0x00000000>;
clock-frequency = <0>; // Filled in by zImage
timebase-frequency = <0>; // Filled in by zImage
i-cache-line-size = <32>;
d-cache-line-size = <32>;
i-cache-size = <32768>; /* 32 kB */
d-cache-size = <32768>; /* 32 kB */
dcr-controller;
dcr-access-method = "native";
};
};
memory {
device_type = "memory";
reg = <0x00000000 0x00000000 0x00000000>; // Filled in by zImage
};
UIC0: interrupt-controller0 {
compatible = "ibm,uic-440gp", "ibm,uic";
interrupt-controller;
cell-index = <0>;
dcr-reg = <0x0c0 0x009>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
};
UIC1: interrupt-controller1 {
compatible = "ibm,uic-440gp", "ibm,uic";
interrupt-controller;
cell-index = <1>;
dcr-reg = <0x0d0 0x009>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
interrupt-parent = <&UIC0>;
};
CPC0: cpc {
compatible = "ibm,cpc-440gp";
dcr-reg = <0x0b0 0x003 0x0e0 0x010>;
// FIXME: anything else?
};
plb {
compatible = "ibm,plb-440gp", "ibm,plb4";
#address-cells = <2>;
#size-cells = <1>;
ranges;
clock-frequency = <0>; // Filled in by zImage
SDRAM0: memory-controller {
compatible = "ibm,sdram-440gp";
dcr-reg = <0x010 0x002>;
// FIXME: anything else?
};
SRAM0: sram {
compatible = "ibm,sram-440gp";
dcr-reg = <0x020 0x008 0x00a 0x001>;
};
DMA0: dma {
// FIXME: ???
compatible = "ibm,dma-440gp";
dcr-reg = <0x100 0x027>;
};
MAL0: mcmal {
compatible = "ibm,mcmal-440gp", "ibm,mcmal";
dcr-reg = <0x180 0x062>;
num-tx-chans = <4>;
num-rx-chans = <4>;
interrupt-parent = <&MAL0>;
interrupts = <0x0 0x1 0x2 0x3 0x4>;
#interrupt-cells = <1>;
#address-cells = <0>;
#size-cells = <0>;
interrupt-map = </*TXEOB*/ 0x0 &UIC0 0xa 0x4
/*RXEOB*/ 0x1 &UIC0 0xb 0x4
/*SERR*/ 0x2 &UIC1 0x0 0x4
/*TXDE*/ 0x3 &UIC1 0x1 0x4
/*RXDE*/ 0x4 &UIC1 0x2 0x4>;
interrupt-map-mask = <0xffffffff>;
};
POB0: opb {
compatible = "ibm,opb-440gp", "ibm,opb";
#address-cells = <1>;
#size-cells = <1>;
/* Wish there was a nicer way of specifying a full 32-bit
range */
ranges = <0x00000000 0x00000001 0x00000000 0x80000000
0x80000000 0x00000001 0x80000000 0x80000000>;
dcr-reg = <0x090 0x00b>;
interrupt-parent = <&UIC1>;
interrupts = <0x7 0x4>;
clock-frequency = <0>; // Filled in by zImage
EBC0: ebc {
compatible = "ibm,ebc-440gp", "ibm,ebc";
dcr-reg = <0x012 0x002>;
#address-cells = <2>;
#size-cells = <1>;
clock-frequency = <0>; // Filled in by zImage
// ranges property is supplied by zImage
// based on firmware's configuration of the
// EBC bridge
interrupts = <0x5 0x4>;
interrupt-parent = <&UIC1>;
small-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 & RTC */
compatible = "ds1743-nvram";
#bytes = <0x2000>;
reg = <0x00000001 0x00000000 0x00002000>;
};
large-flash@2,0 {
compatible = "jedec-flash";
bank-width = <1>;
reg = <0x00000002 0x00000000 0x00400000>;
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "fs";
reg = <0x00000000 0x00380000>;
};
partition@380000 {
label = "firmware";
reg = <0x00380000 0x00080000>;
};
};
ir@3,0 {
reg = <0x00000003 0x00000000 0x00000010>;
};
fpga@7,0 {
compatible = "Ebony-FPGA";
reg = <0x00000007 0x00000000 0x00000010>;
virtual-reg = <0xe8300000>;
};
};
UART0: serial@40000200 {
device_type = "serial";
compatible = "ns16550";
reg = <0x40000200 0x00000008>;
virtual-reg = <0xe0000200>;
clock-frequency = <11059200>;
current-speed = <9600>;
interrupt-parent = <&UIC0>;
interrupts = <0x0 0x4>;
};
UART1: serial@40000300 {
device_type = "serial";
compatible = "ns16550";
reg = <0x40000300 0x00000008>;
virtual-reg = <0xe0000300>;
clock-frequency = <11059200>;
current-speed = <9600>;
interrupt-parent = <&UIC0>;
interrupts = <0x1 0x4>;
};
IIC0: i2c@40000400 {
/* FIXME */
compatible = "ibm,iic-440gp", "ibm,iic";
reg = <0x40000400 0x00000014>;
interrupt-parent = <&UIC0>;
interrupts = <0x2 0x4>;
};
IIC1: i2c@40000500 {
/* FIXME */
compatible = "ibm,iic-440gp", "ibm,iic";
reg = <0x40000500 0x00000014>;
interrupt-parent = <&UIC0>;
interrupts = <0x3 0x4>;
};
GPIO0: gpio@40000700 {
/* FIXME */
compatible = "ibm,gpio-440gp";
reg = <0x40000700 0x00000020>;
};
ZMII0: emac-zmii@40000780 {
compatible = "ibm,zmii-440gp", "ibm,zmii";
reg = <0x40000780 0x0000000c>;
};
EMAC0: ethernet@40000800 {
device_type = "network";
compatible = "ibm,emac-440gp", "ibm,emac";
interrupt-parent = <&UIC1>;
interrupts = <0x1c 0x4 0x1d 0x4>;
reg = <0x40000800 0x00000070>;
local-mac-address = [000000000000]; // Filled in by zImage
mal-device = <&MAL0>;
mal-tx-channel = <0 1>;
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>;
zmii-device = <&ZMII0>;
zmii-channel = <0>;
};
EMAC1: ethernet@40000900 {
device_type = "network";
compatible = "ibm,emac-440gp", "ibm,emac";
interrupt-parent = <&UIC1>;
interrupts = <0x1e 0x4 0x1f 0x4>;
reg = <0x40000900 0x00000070>;
local-mac-address = [000000000000]; // Filled in by zImage
mal-device = <&MAL0>;
mal-tx-channel = <2 3>;
mal-rx-channel = <1>;
cell-index = <1>;
max-frame-size = <1500>;
rx-fifo-size = <4096>;
tx-fifo-size = <2048>;
phy-mode = "rmii";
phy-map = <0x00000001>;
zmii-device = <&ZMII0>;
zmii-channel = <1>;
};
GPT0: gpt@40000a00 {
/* FIXME */
reg = <0x40000a00 0x000000d4>;
interrupt-parent = <&UIC0>;
interrupts = <0x12 0x4 0x13 0x4 0x14 0x4 0x15 0x4 0x16 0x4>;
};
};
PCIX0: pci@20ec00000 {
device_type = "pci";
#interrupt-cells = <1>;
#size-cells = <2>;
#address-cells = <3>;
compatible = "ibm,plb440gp-pcix", "ibm,plb-pcix";
primary;
reg = <0x00000002 0x0ec00000 0x00000008 /* Config space access */
0x00000000 0x00000000 0x00000000 /* no IACK cycles */
0x00000002 0x0ed00000 0x00000004 /* Special cycles */
0x00000002 0x0ec80000 0x000000f0 /* Internal registers */
0x00000002 0x0ec80100 0x000000fc>; /* Internal messaging registers */
/* Outbound ranges, one memory and one IO,
* later cannot be changed
*/
ranges = <0x02000000 0x00000000 0x80000000 0x00000003 0x80000000 0x00000000 0x80000000
0x01000000 0x00000000 0x00000000 0x00000002 0x08000000 0x00000000 0x00010000>;
/* Inbound 2GB range starting at 0 */
dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
/* Ebony 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 0x17 0x8
/* IDSEL 2 */
0x1000 0x0 0x0 0x0 &UIC0 0x18 0x8
/* IDSEL 3 */
0x1800 0x0 0x0 0x0 &UIC0 0x19 0x8
/* IDSEL 4 */
0x2000 0x0 0x0 0x0 &UIC0 0x1a 0x8
>;
};
};
chosen {
stdout-path = "/plb/opb/serial@40000200";
};
};
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