|  | /* | 
|  | * Device Tree Source for ESTeem 195E Hotfoot | 
|  | * | 
|  | * Copyright 2009 AbsoluteValue Systems <solomon@linux-wlan.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 = <1>; | 
|  | #size-cells = <1>; | 
|  | model = "est,hotfoot"; | 
|  | compatible = "est,hotfoot"; | 
|  | 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,405EP"; | 
|  | reg = <0x00000000>; | 
|  | clock-frequency = <0>; /* Filled in by zImage */ | 
|  | timebase-frequency = <0>; /* Filled in by zImage */ | 
|  | i-cache-line-size = <0x20>; | 
|  | d-cache-line-size = <0x20>; | 
|  | i-cache-size = <0x4000>; | 
|  | d-cache-size = <0x4000>; | 
|  | dcr-controller; | 
|  | dcr-access-method = "native"; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | memory { | 
|  | device_type = "memory"; | 
|  | reg = <0x00000000 0x00000000>; /* Filled in by zImage */ | 
|  | }; | 
|  |  | 
|  | UIC0: interrupt-controller { | 
|  | compatible = "ibm,uic"; | 
|  | interrupt-controller; | 
|  | cell-index = <0>; | 
|  | dcr-reg = <0x0c0 0x009>; | 
|  | #address-cells = <0>; | 
|  | #size-cells = <0>; | 
|  | #interrupt-cells = <2>; | 
|  | }; | 
|  |  | 
|  | plb { | 
|  | compatible = "ibm,plb3"; | 
|  | #address-cells = <1>; | 
|  | #size-cells = <1>; | 
|  | ranges; | 
|  | clock-frequency = <0>; /* Filled in by zImage */ | 
|  |  | 
|  | SDRAM0: memory-controller { | 
|  | compatible = "ibm,sdram-405ep"; | 
|  | dcr-reg = <0x010 0x002>; | 
|  | }; | 
|  |  | 
|  | MAL: mcmal { | 
|  | compatible = "ibm,mcmal-405ep", "ibm,mcmal"; | 
|  | dcr-reg = <0x180 0x062>; | 
|  | num-tx-chans = <4>; | 
|  | num-rx-chans = <2>; | 
|  | interrupt-parent = <&UIC0>; | 
|  | interrupts = < | 
|  | 0xb 0x4 /* TXEOB */ | 
|  | 0xc 0x4 /* RXEOB */ | 
|  | 0xa 0x4 /* SERR */ | 
|  | 0xd 0x4 /* TXDE */ | 
|  | 0xe 0x4 /* RXDE */>; | 
|  | }; | 
|  |  | 
|  | POB0: opb { | 
|  | compatible = "ibm,opb-405ep", "ibm,opb"; | 
|  | #address-cells = <1>; | 
|  | #size-cells = <1>; | 
|  | ranges = <0xef600000 0xef600000 0x00a00000>; | 
|  | dcr-reg = <0x0a0 0x005>; | 
|  | clock-frequency = <0>; /* Filled in by zImage */ | 
|  |  | 
|  | /* Hotfoot has UART0/UART1 swapped */ | 
|  |  | 
|  | UART0: serial@ef600400 { | 
|  | device_type = "serial"; | 
|  | compatible = "ns16550"; | 
|  | reg = <0xef600400 0x00000008>; | 
|  | virtual-reg = <0xef600400>; | 
|  | clock-frequency = <0>; /* Filled in by zImage */ | 
|  | current-speed = <0x9600>; | 
|  | interrupt-parent = <&UIC0>; | 
|  | interrupts = <0x1 0x4>; | 
|  | }; | 
|  |  | 
|  | UART1: serial@ef600300 { | 
|  | device_type = "serial"; | 
|  | compatible = "ns16550"; | 
|  | reg = <0xef600300 0x00000008>; | 
|  | virtual-reg = <0xef600300>; | 
|  | clock-frequency = <0>; /* Filled in by zImage */ | 
|  | current-speed = <0x9600>; | 
|  | interrupt-parent = <&UIC0>; | 
|  | interrupts = <0x0 0x4>; | 
|  | }; | 
|  |  | 
|  | IIC: i2c@ef600500 { | 
|  | #address-cells = <1>; | 
|  | #size-cells = <0>; | 
|  | compatible = "ibm,iic-405ep", "ibm,iic"; | 
|  | reg = <0xef600500 0x00000011>; | 
|  | interrupt-parent = <&UIC0>; | 
|  | interrupts = <0x2 0x4>; | 
|  |  | 
|  | rtc@68 { | 
|  | /* Actually a DS1339 */ | 
|  | compatible = "dallas,ds1307"; | 
|  | reg = <0x68>; | 
|  | }; | 
|  |  | 
|  | temp@4a { | 
|  | /* Not present on all boards */ | 
|  | compatible = "national,lm75"; | 
|  | reg = <0x4a>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | GPIO: gpio@ef600700 { | 
|  | #gpio-cells = <2>; | 
|  | compatible = "ibm,ppc4xx-gpio"; | 
|  | reg = <0xef600700 0x00000020>; | 
|  | gpio-controller; | 
|  | }; | 
|  |  | 
|  | gpio-leds { | 
|  | compatible = "gpio-leds"; | 
|  | status { | 
|  | label = "Status"; | 
|  | gpios = <&GPIO 1 0>; | 
|  | }; | 
|  | radiorx { | 
|  | label = "Rx"; | 
|  | gpios = <&GPIO 0xe 0>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | EMAC0: ethernet@ef600800 { | 
|  | linux,network-index = <0x0>; | 
|  | device_type = "network"; | 
|  | compatible = "ibm,emac-405ep", "ibm,emac"; | 
|  | interrupt-parent = <&UIC0>; | 
|  | interrupts = < | 
|  | 0xf 0x4 /* Ethernet */ | 
|  | 0x9 0x4 /* Ethernet Wake Up */>; | 
|  | local-mac-address = [000000000000]; /* Filled in by zImage */ | 
|  | reg = <0xef600800 0x00000070>; | 
|  | mal-device = <&MAL>; | 
|  | mal-tx-channel = <0>; | 
|  | mal-rx-channel = <0>; | 
|  | cell-index = <0>; | 
|  | max-frame-size = <0x5dc>; | 
|  | rx-fifo-size = <0x1000>; | 
|  | tx-fifo-size = <0x800>; | 
|  | phy-mode = "mii"; | 
|  | phy-map = <0x00000000>; | 
|  | }; | 
|  |  | 
|  | EMAC1: ethernet@ef600900 { | 
|  | linux,network-index = <0x1>; | 
|  | device_type = "network"; | 
|  | compatible = "ibm,emac-405ep", "ibm,emac"; | 
|  | interrupt-parent = <&UIC0>; | 
|  | interrupts = < | 
|  | 0x11 0x4 /* Ethernet */ | 
|  | 0x9 0x4 /* Ethernet Wake Up */>; | 
|  | local-mac-address = [000000000000]; /* Filled in by zImage */ | 
|  | reg = <0xef600900 0x00000070>; | 
|  | mal-device = <&MAL>; | 
|  | mal-tx-channel = <2>; | 
|  | mal-rx-channel = <1>; | 
|  | cell-index = <1>; | 
|  | max-frame-size = <0x5dc>; | 
|  | rx-fifo-size = <0x1000>; | 
|  | tx-fifo-size = <0x800>; | 
|  | mdio-device = <&EMAC0>; | 
|  | phy-mode = "mii"; | 
|  | phy-map = <0x0000001>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | EBC0: ebc { | 
|  | compatible = "ibm,ebc-405ep", "ibm,ebc"; | 
|  | dcr-reg = <0x012 0x002>; | 
|  | #address-cells = <2>; | 
|  | #size-cells = <1>; | 
|  |  | 
|  | /* The ranges property is supplied by the bootwrapper | 
|  | * and is based on the firmware's configuration of the | 
|  | * EBC bridge | 
|  | */ | 
|  | clock-frequency = <0>; /* Filled in by zImage */ | 
|  |  | 
|  | nor_flash@0 { | 
|  | compatible = "cfi-flash"; | 
|  | bank-width = <2>; | 
|  | reg = <0x0 0xff800000 0x00800000>; | 
|  | #address-cells = <1>; | 
|  | #size-cells = <1>; | 
|  |  | 
|  | /* This mapping is for the 8M flash | 
|  | 4M flash has all ofssets -= 4M, | 
|  | and FeatFS partition is not present */ | 
|  | partition@0 { | 
|  | label = "Bootloader"; | 
|  | reg = <0x7c0000 0x40000>; | 
|  | /* read-only; */ | 
|  | }; | 
|  | partition@1 { | 
|  | label = "Env_and_Config_Primary"; | 
|  | reg = <0x400000 0x10000>; | 
|  | }; | 
|  | partition@2 { | 
|  | label = "Kernel"; | 
|  | reg = <0x420000 0x100000>; | 
|  | }; | 
|  | partition@3 { | 
|  | label = "Filesystem"; | 
|  | reg = <0x520000 0x2a0000>; | 
|  | }; | 
|  | partition@4 { | 
|  | label = "Env_and_Config_Secondary"; | 
|  | reg = <0x410000 0x10000>; | 
|  | }; | 
|  | partition@5 { | 
|  | label = "FeatFS"; | 
|  | reg = <0x000000 0x400000>; | 
|  | }; | 
|  | partition@6 { | 
|  | label = "Bootloader_Env"; | 
|  | reg = <0x7d0000 0x10000>; | 
|  | }; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | PCI0: pci@ec000000 { | 
|  | device_type = "pci"; | 
|  | #interrupt-cells = <1>; | 
|  | #size-cells = <2>; | 
|  | #address-cells = <3>; | 
|  | compatible = "ibm,plb405ep-pci", "ibm,plb-pci"; | 
|  | primary; | 
|  | reg = <0xeec00000 0x00000008    /* Config space access */ | 
|  | 0xeed80000 0x00000004    /* IACK */ | 
|  | 0xeed80000 0x00000004    /* Special cycle */ | 
|  | 0xef480000 0x00000040>;  /* Internal registers */ | 
|  |  | 
|  | /* Outbound ranges, one memory and one IO, | 
|  | * later cannot be changed. Chip supports a second | 
|  | * IO range but we don't use it for now | 
|  | */ | 
|  | ranges = <0x02000000 0x00000000 0x80000000 0x80000000 0x00000000 0x20000000 | 
|  | 0x01000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>; | 
|  |  | 
|  | /* Inbound 2GB range starting at 0 */ | 
|  | dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x80000000>; | 
|  |  | 
|  | interrupt-parent = <&UIC0>; | 
|  | interrupt-map-mask = <0xf800 0x0 0x0 0x7>; | 
|  | interrupt-map = < | 
|  | /* IDSEL 3 -- slot1 (optional) 27/29 A/B IRQ2/4 */ | 
|  | 0x1800 0x0 0x0 0x1 &UIC0 0x1b 0x8 | 
|  | 0x1800 0x0 0x0 0x2 &UIC0 0x1d 0x8 | 
|  |  | 
|  | /* IDSEL 4 -- slot0, 26/28 A/B IRQ1/3 */ | 
|  | 0x2000 0x0 0x0 0x1 &UIC0 0x1a 0x8 | 
|  | 0x2000 0x0 0x0 0x2 &UIC0 0x1c 0x8 | 
|  | >; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | chosen { | 
|  | linux,stdout-path = &UART0; | 
|  | }; | 
|  | }; |