|  | /* | 
|  | * Device Tree Source for IBM/AMCC Taishan | 
|  | * | 
|  | * Copyright 2007 IBM Corp. | 
|  | * Hugh Blemings <hugh@au.ibm.com> based off code by | 
|  | * Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com> | 
|  | * | 
|  | * 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 = "amcc,taishan"; | 
|  | compatible = "amcc,taishan"; | 
|  | dcr-parent = <&{/cpus/cpu@0}>; | 
|  |  | 
|  | aliases { | 
|  | ethernet0 = &EMAC2; | 
|  | ethernet1 = &EMAC3; | 
|  | serial0 = &UART0; | 
|  | serial1 = &UART1; | 
|  | }; | 
|  |  | 
|  | cpus { | 
|  | #address-cells = <1>; | 
|  | #size-cells = <0>; | 
|  |  | 
|  | cpu@0 { | 
|  | device_type = "cpu"; | 
|  | model = "PowerPC,440GX"; | 
|  | reg = <0x00000000>; | 
|  | clock-frequency = <800000000>; // 800MHz | 
|  | timebase-frequency = <0>; // Filled in by zImage | 
|  | i-cache-line-size = <50>; | 
|  | d-cache-line-size = <50>; | 
|  | 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 | 
|  | }; | 
|  |  | 
|  |  | 
|  | UICB0: interrupt-controller-base { | 
|  | compatible = "ibm,uic-440gx", "ibm,uic"; | 
|  | interrupt-controller; | 
|  | cell-index = <3>; | 
|  | dcr-reg = <0x200 0x009>; | 
|  | #address-cells = <0>; | 
|  | #size-cells = <0>; | 
|  | #interrupt-cells = <2>; | 
|  | }; | 
|  |  | 
|  |  | 
|  | UIC0: interrupt-controller0 { | 
|  | compatible = "ibm,uic-440gx", "ibm,uic"; | 
|  | interrupt-controller; | 
|  | cell-index = <0>; | 
|  | dcr-reg = <0x0c0 0x009>; | 
|  | #address-cells = <0>; | 
|  | #size-cells = <0>; | 
|  | #interrupt-cells = <2>; | 
|  | interrupts = <0x1 0x4 0x0 0x4>; /* cascade - first non-critical */ | 
|  | interrupt-parent = <&UICB0>; | 
|  |  | 
|  | }; | 
|  |  | 
|  | UIC1: interrupt-controller1 { | 
|  | compatible = "ibm,uic-440gx", "ibm,uic"; | 
|  | interrupt-controller; | 
|  | cell-index = <1>; | 
|  | dcr-reg = <0x0d0 0x009>; | 
|  | #address-cells = <0>; | 
|  | #size-cells = <0>; | 
|  | #interrupt-cells = <2>; | 
|  | interrupts = <0x3 0x4 0x2 0x4>; /* cascade */ | 
|  | interrupt-parent = <&UICB0>; | 
|  | }; | 
|  |  | 
|  | UIC2: interrupt-controller2 { | 
|  | compatible = "ibm,uic-440gx", "ibm,uic"; | 
|  | interrupt-controller; | 
|  | cell-index = <2>; /* was 1 */ | 
|  | dcr-reg = <0x210 0x009>; | 
|  | #address-cells = <0>; | 
|  | #size-cells = <0>; | 
|  | #interrupt-cells = <2>; | 
|  | interrupts = <0x5 0x4 0x4 0x4>; /* cascade */ | 
|  | interrupt-parent = <&UICB0>; | 
|  | }; | 
|  |  | 
|  |  | 
|  | CPC0: cpc { | 
|  | compatible = "ibm,cpc-440gp"; | 
|  | dcr-reg = <0x0b0 0x003 0x0e0 0x010>; | 
|  | // FIXME: anything else? | 
|  | }; | 
|  |  | 
|  | L2C0: l2c { | 
|  | compatible = "ibm,l2-cache-440gx", "ibm,l2-cache"; | 
|  | dcr-reg = <0x020 0x008			/* Internal SRAM DCR's */ | 
|  | 0x030 0x008>;		/* L2 cache DCR's */ | 
|  | cache-line-size = <32>;		/* 32 bytes */ | 
|  | cache-size = <262144>;		/* L2, 256K */ | 
|  | interrupt-parent = <&UIC2>; | 
|  | interrupts = <0x17 0x1>; | 
|  | }; | 
|  |  | 
|  | plb { | 
|  | compatible = "ibm,plb-440gx", "ibm,plb4"; | 
|  | #address-cells = <2>; | 
|  | #size-cells = <1>; | 
|  | ranges; | 
|  | clock-frequency = <160000000>; // 160MHz | 
|  |  | 
|  | 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-440gx", "ibm,mcmal2"; | 
|  | 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-440gx", "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 = <80000000>; // 80MHz | 
|  |  | 
|  |  | 
|  | EBC0: ebc { | 
|  | compatible = "ibm,ebc-440gx", "ibm,ebc"; | 
|  | dcr-reg = <0x012 0x002>; | 
|  | #address-cells = <2>; | 
|  | #size-cells = <1>; | 
|  | clock-frequency = <80000000>; // 80MHz | 
|  |  | 
|  | /* ranges property is supplied by zImage | 
|  | * based on firmware's configuration of the | 
|  | * EBC bridge */ | 
|  |  | 
|  | interrupts = <0x5 0x4>; | 
|  | interrupt-parent = <&UIC1>; | 
|  |  | 
|  | nor_flash@0,0 { | 
|  | compatible = "cfi-flash"; | 
|  | bank-width = <4>; | 
|  | device-width = <2>; | 
|  | reg = <0x0 0x0 0x4000000>; | 
|  | #address-cells = <1>; | 
|  | #size-cells = <1>; | 
|  | partition@0 { | 
|  | label = "kernel"; | 
|  | reg = <0x0 0x180000>; | 
|  | }; | 
|  | partition@180000 { | 
|  | label = "root"; | 
|  | reg = <0x180000 0x200000>; | 
|  | }; | 
|  | partition@380000 { | 
|  | label = "user"; | 
|  | reg = <0x380000 0x3bc0000>; | 
|  | }; | 
|  | partition@3f40000 { | 
|  | label = "env"; | 
|  | reg = <0x3f40000 0x80000>; | 
|  | }; | 
|  | partition@3fc0000 { | 
|  | label = "u-boot"; | 
|  | reg = <0x3fc0000 0x40000>; | 
|  | }; | 
|  | }; | 
|  | }; | 
|  |  | 
|  |  | 
|  |  | 
|  | UART0: serial@40000200 { | 
|  | device_type = "serial"; | 
|  | compatible = "ns16550"; | 
|  | reg = <0x40000200 0x00000008>; | 
|  | virtual-reg = <0xe0000200>; | 
|  | clock-frequency = <11059200>; | 
|  | current-speed = <115200>; /* 115200 */ | 
|  | 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 = <115200>; /* 115200 */ | 
|  | 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-440gx", "ibm,zmii"; | 
|  | reg = <0x40000780 0x0000000c>; | 
|  | }; | 
|  |  | 
|  | RGMII0: emac-rgmii@40000790 { | 
|  | compatible = "ibm,rgmii"; | 
|  | reg = <0x40000790 0x00000008>; | 
|  | }; | 
|  |  | 
|  | TAH0: emac-tah@40000b50 { | 
|  | compatible = "ibm,tah-440gx", "ibm,tah"; | 
|  | reg = <0x40000b50 0x00000030>; | 
|  | }; | 
|  |  | 
|  | TAH1: emac-tah@40000d50 { | 
|  | compatible = "ibm,tah-440gx", "ibm,tah"; | 
|  | reg = <0x40000d50 0x00000030>; | 
|  | }; | 
|  |  | 
|  | EMAC0: ethernet@40000800 { | 
|  | unused = <0x1>; | 
|  | device_type = "network"; | 
|  | compatible = "ibm,emac-440gx", "ibm,emac4"; | 
|  | interrupt-parent = <&UIC1>; | 
|  | interrupts = <0x1c 0x4 0x1d 0x4>; | 
|  | reg = <0x40000800 0x00000074>; | 
|  | local-mac-address = [000000000000]; // Filled in by zImage | 
|  | mal-device = <&MAL0>; | 
|  | mal-tx-channel = <0>; | 
|  | 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 { | 
|  | unused = <0x1>; | 
|  | device_type = "network"; | 
|  | compatible = "ibm,emac-440gx", "ibm,emac4"; | 
|  | interrupt-parent = <&UIC1>; | 
|  | interrupts = <0x1e 0x4 0x1f 0x4>; | 
|  | reg = <0x40000900 0x00000074>; | 
|  | local-mac-address = [000000000000]; // Filled in by zImage | 
|  | mal-device = <&MAL0>; | 
|  | mal-tx-channel = <1>; | 
|  | 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>; | 
|  | }; | 
|  |  | 
|  | EMAC2: ethernet@40000c00 { | 
|  | device_type = "network"; | 
|  | compatible = "ibm,emac-440gx", "ibm,emac4"; | 
|  | interrupt-parent = <&UIC2>; | 
|  | interrupts = <0x0 0x4 0x1 0x4>; | 
|  | reg = <0x40000c00 0x00000074>; | 
|  | local-mac-address = [000000000000]; // Filled in by zImage | 
|  | mal-device = <&MAL0>; | 
|  | mal-tx-channel = <2>; | 
|  | mal-rx-channel = <2>; | 
|  | cell-index = <2>; | 
|  | max-frame-size = <9000>; | 
|  | rx-fifo-size = <4096>; | 
|  | tx-fifo-size = <2048>; | 
|  | phy-mode = "rgmii"; | 
|  | phy-map = <0x00000001>; | 
|  | rgmii-device = <&RGMII0>; | 
|  | rgmii-channel = <0>; | 
|  | zmii-device = <&ZMII0>; | 
|  | zmii-channel = <2>; | 
|  | tah-device = <&TAH0>; | 
|  | tah-channel = <0>; | 
|  | }; | 
|  |  | 
|  | EMAC3: ethernet@40000e00 { | 
|  | device_type = "network"; | 
|  | compatible = "ibm,emac-440gx", "ibm,emac4"; | 
|  | interrupt-parent = <&UIC2>; | 
|  | interrupts = <0x2 0x4 0x3 0x4>; | 
|  | reg = <0x40000e00 0x00000074>; | 
|  | local-mac-address = [000000000000]; // Filled in by zImage | 
|  | mal-device = <&MAL0>; | 
|  | mal-tx-channel = <3>; | 
|  | mal-rx-channel = <3>; | 
|  | cell-index = <3>; | 
|  | max-frame-size = <9000>; | 
|  | rx-fifo-size = <4096>; | 
|  | tx-fifo-size = <2048>; | 
|  | phy-mode = "rgmii"; | 
|  | phy-map = <0x00000003>; | 
|  | rgmii-device = <&RGMII0>; | 
|  | rgmii-channel = <1>; | 
|  | zmii-device = <&ZMII0>; | 
|  | zmii-channel = <3>; | 
|  | tah-device = <&TAH1>; | 
|  | tah-channel = <0>; | 
|  | }; | 
|  |  | 
|  |  | 
|  | 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; | 
|  | large-inbound-windows; | 
|  | enable-msi-hole; | 
|  | reg = <0x00000002 0x0ec00000   0x00000008	/* Config space access */ | 
|  | 0x00000000 0x00000000 0x00000000		/* no IACK cycles */ | 
|  | 0x00000002 0x0ed00000   0x00000004   /* Special cycles */ | 
|  | 0x00000002 0x0ec80000 0x00000100	/* 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>; | 
|  |  | 
|  | interrupt-map-mask = <0xf800 0x0 0x0 0x7>; | 
|  | interrupt-map = < | 
|  | /* IDSEL 1 */ | 
|  | 0x800 0x0 0x0 0x1 &UIC0 0x17 0x8 | 
|  | 0x800 0x0 0x0 0x2 &UIC0 0x18 0x8 | 
|  | 0x800 0x0 0x0 0x3 &UIC0 0x19 0x8 | 
|  | 0x800 0x0 0x0 0x4 &UIC0 0x1a 0x8 | 
|  |  | 
|  | /* IDSEL 2 */ | 
|  | 0x1000 0x0 0x0 0x1 &UIC0 0x18 0x8 | 
|  | 0x1000 0x0 0x0 0x2 &UIC0 0x19 0x8 | 
|  | 0x1000 0x0 0x0 0x3 &UIC0 0x1a 0x8 | 
|  | 0x1000 0x0 0x0 0x4 &UIC0 0x17 0x8 | 
|  | >; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | chosen { | 
|  | linux,stdout-path = "/plb/opb/serial@40000300"; | 
|  | }; | 
|  | }; |