Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * Device Tree Source for EP405 |
| 3 | * |
| 4 | * Copyright 2007 IBM Corp. |
| 5 | * Benjamin Herrenschmidt <benh@kernel.crashing.org> |
| 6 | * |
| 7 | * This file is licensed under the terms of the GNU General Public |
| 8 | * License version 2. This program is licensed "as is" without |
| 9 | * any warranty of any kind, whether express or implied. |
| 10 | */ |
| 11 | |
| 12 | /dts-v1/; |
| 13 | |
| 14 | / { |
| 15 | #address-cells = <1>; |
| 16 | #size-cells = <1>; |
| 17 | model = "ep405"; |
| 18 | compatible = "ep405"; |
| 19 | dcr-parent = <&{/cpus/cpu@0}>; |
| 20 | |
| 21 | aliases { |
| 22 | ethernet0 = &EMAC; |
| 23 | serial0 = &UART0; |
| 24 | serial1 = &UART1; |
| 25 | }; |
| 26 | |
| 27 | cpus { |
| 28 | #address-cells = <1>; |
| 29 | #size-cells = <0>; |
| 30 | |
| 31 | cpu@0 { |
| 32 | device_type = "cpu"; |
| 33 | model = "PowerPC,405GP"; |
| 34 | reg = <0x00000000>; |
| 35 | clock-frequency = <200000000>; /* Filled in by zImage */ |
| 36 | timebase-frequency = <0>; /* Filled in by zImage */ |
| 37 | i-cache-line-size = <32>; |
| 38 | d-cache-line-size = <32>; |
| 39 | i-cache-size = <16384>; |
| 40 | d-cache-size = <16384>; |
| 41 | dcr-controller; |
| 42 | dcr-access-method = "native"; |
| 43 | }; |
| 44 | }; |
| 45 | |
| 46 | memory { |
| 47 | device_type = "memory"; |
| 48 | reg = <0x00000000 0x00000000>; /* Filled in by zImage */ |
| 49 | }; |
| 50 | |
| 51 | UIC0: interrupt-controller { |
| 52 | compatible = "ibm,uic"; |
| 53 | interrupt-controller; |
| 54 | cell-index = <0>; |
| 55 | dcr-reg = <0x0c0 0x009>; |
| 56 | #address-cells = <0>; |
| 57 | #size-cells = <0>; |
| 58 | #interrupt-cells = <2>; |
| 59 | }; |
| 60 | |
| 61 | plb { |
| 62 | compatible = "ibm,plb3"; |
| 63 | #address-cells = <1>; |
| 64 | #size-cells = <1>; |
| 65 | ranges; |
| 66 | clock-frequency = <0>; /* Filled in by zImage */ |
| 67 | |
| 68 | SDRAM0: memory-controller { |
| 69 | compatible = "ibm,sdram-405gp"; |
| 70 | dcr-reg = <0x010 0x002>; |
| 71 | }; |
| 72 | |
| 73 | MAL: mcmal { |
| 74 | compatible = "ibm,mcmal-405gp", "ibm,mcmal"; |
| 75 | dcr-reg = <0x180 0x062>; |
| 76 | num-tx-chans = <1>; |
| 77 | num-rx-chans = <1>; |
| 78 | interrupt-parent = <&UIC0>; |
| 79 | interrupts = < |
| 80 | 0xb 0x4 /* TXEOB */ |
| 81 | 0xc 0x4 /* RXEOB */ |
| 82 | 0xa 0x4 /* SERR */ |
| 83 | 0xd 0x4 /* TXDE */ |
| 84 | 0xe 0x4 /* RXDE */>; |
| 85 | }; |
| 86 | |
| 87 | POB0: opb { |
| 88 | compatible = "ibm,opb-405gp", "ibm,opb"; |
| 89 | #address-cells = <1>; |
| 90 | #size-cells = <1>; |
| 91 | ranges = <0xef600000 0xef600000 0x00a00000>; |
| 92 | dcr-reg = <0x0a0 0x005>; |
| 93 | clock-frequency = <0>; /* Filled in by zImage */ |
| 94 | |
| 95 | UART0: serial@ef600300 { |
| 96 | device_type = "serial"; |
| 97 | compatible = "ns16550"; |
| 98 | reg = <0xef600300 0x00000008>; |
| 99 | virtual-reg = <0xef600300>; |
| 100 | clock-frequency = <0>; /* Filled in by zImage */ |
| 101 | current-speed = <9600>; |
| 102 | interrupt-parent = <&UIC0>; |
| 103 | interrupts = <0x0 0x4>; |
| 104 | }; |
| 105 | |
| 106 | UART1: serial@ef600400 { |
| 107 | device_type = "serial"; |
| 108 | compatible = "ns16550"; |
| 109 | reg = <0xef600400 0x00000008>; |
| 110 | virtual-reg = <0xef600400>; |
| 111 | clock-frequency = <0>; /* Filled in by zImage */ |
| 112 | current-speed = <9600>; |
| 113 | interrupt-parent = <&UIC0>; |
| 114 | interrupts = <0x1 0x4>; |
| 115 | }; |
| 116 | |
| 117 | IIC: i2c@ef600500 { |
| 118 | compatible = "ibm,iic-405gp", "ibm,iic"; |
| 119 | reg = <0xef600500 0x00000011>; |
| 120 | interrupt-parent = <&UIC0>; |
| 121 | interrupts = <0x2 0x4>; |
| 122 | }; |
| 123 | |
| 124 | GPIO: gpio@ef600700 { |
| 125 | compatible = "ibm,gpio-405gp"; |
| 126 | reg = <0xef600700 0x00000020>; |
| 127 | }; |
| 128 | |
| 129 | EMAC: ethernet@ef600800 { |
| 130 | linux,network-index = <0x0>; |
| 131 | device_type = "network"; |
| 132 | compatible = "ibm,emac-405gp", "ibm,emac"; |
| 133 | interrupt-parent = <&UIC0>; |
| 134 | interrupts = < |
| 135 | 0xf 0x4 /* Ethernet */ |
| 136 | 0x9 0x4 /* Ethernet Wake Up */>; |
| 137 | local-mac-address = [000000000000]; /* Filled in by zImage */ |
| 138 | reg = <0xef600800 0x00000070>; |
| 139 | mal-device = <&MAL>; |
| 140 | mal-tx-channel = <0>; |
| 141 | mal-rx-channel = <0>; |
| 142 | cell-index = <0>; |
| 143 | max-frame-size = <1500>; |
| 144 | rx-fifo-size = <4096>; |
| 145 | tx-fifo-size = <2048>; |
| 146 | phy-mode = "rmii"; |
| 147 | phy-map = <0x00000000>; |
| 148 | }; |
| 149 | |
| 150 | }; |
| 151 | |
| 152 | EBC0: ebc { |
| 153 | compatible = "ibm,ebc-405gp", "ibm,ebc"; |
| 154 | dcr-reg = <0x012 0x002>; |
| 155 | #address-cells = <2>; |
| 156 | #size-cells = <1>; |
| 157 | |
| 158 | |
| 159 | /* The ranges property is supplied by the bootwrapper |
| 160 | * and is based on the firmware's configuration of the |
| 161 | * EBC bridge |
| 162 | */ |
| 163 | clock-frequency = <0>; /* Filled in by zImage */ |
| 164 | |
| 165 | /* NVRAM and RTC */ |
| 166 | nvrtc@4,200000 { |
| 167 | compatible = "ds1742"; |
| 168 | reg = <0x00000004 0x00200000 0x00000000>; /* size fixed up by zImage */ |
| 169 | }; |
| 170 | |
| 171 | /* "BCSR" CPLD contains a PCI irq controller */ |
| 172 | bcsr@4,0 { |
| 173 | compatible = "ep405-bcsr"; |
| 174 | reg = <0x00000004 0x00000000 0x00000010>; |
| 175 | interrupt-controller; |
| 176 | /* Routing table */ |
| 177 | irq-routing = [ 00 /* SYSERR */ |
| 178 | 01 /* STTM */ |
| 179 | 01 /* RTC */ |
| 180 | 01 /* FENET */ |
| 181 | 02 /* NB PCIIRQ mux ? */ |
| 182 | 03 /* SB Winbond 8259 ? */ |
| 183 | 04 /* Serial Ring */ |
| 184 | 05 /* USB (ep405pc) */ |
| 185 | 06 /* XIRQ 0 */ |
| 186 | 06 /* XIRQ 1 */ |
| 187 | 06 /* XIRQ 2 */ |
| 188 | 06 /* XIRQ 3 */ |
| 189 | 06 /* XIRQ 4 */ |
| 190 | 06 /* XIRQ 5 */ |
| 191 | 06 /* XIRQ 6 */ |
| 192 | 07]; /* Reserved */ |
| 193 | }; |
| 194 | }; |
| 195 | |
| 196 | PCI0: pci@ec000000 { |
| 197 | device_type = "pci"; |
| 198 | #interrupt-cells = <1>; |
| 199 | #size-cells = <2>; |
| 200 | #address-cells = <3>; |
| 201 | compatible = "ibm,plb405gp-pci", "ibm,plb-pci"; |
| 202 | primary; |
| 203 | reg = <0xeec00000 0x00000008 /* Config space access */ |
| 204 | 0xeed80000 0x00000004 /* IACK */ |
| 205 | 0xeed80000 0x00000004 /* Special cycle */ |
| 206 | 0xef480000 0x00000040>; /* Internal registers */ |
| 207 | |
| 208 | /* Outbound ranges, one memory and one IO, |
| 209 | * later cannot be changed. Chip supports a second |
| 210 | * IO range but we don't use it for now |
| 211 | */ |
| 212 | ranges = <0x02000000 0x00000000 0x80000000 0x80000000 0x00000000 0x20000000 |
| 213 | 0x01000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>; |
| 214 | |
| 215 | /* Inbound 2GB range starting at 0 */ |
| 216 | dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x80000000>; |
| 217 | |
| 218 | /* That's all I know about IRQs on that thing ... */ |
| 219 | interrupt-map-mask = <0xf800 0x0 0x0 0x0>; |
| 220 | interrupt-map = < |
| 221 | /* USB */ |
| 222 | 0x7000 0x0 0x0 0x0 &UIC0 0x1e 0x8 /* IRQ5 */ |
| 223 | >; |
| 224 | }; |
| 225 | }; |
| 226 | |
| 227 | chosen { |
| 228 | linux,stdout-path = "/plb/opb/serial@ef600300"; |
| 229 | }; |
| 230 | }; |