// SPDX-License-Identifier: GPL-2.0 /* * Device Tree for the ARM Integrator/AP platform */ /dts-v1/; #include "integrator.dtsi" #include #include / { model = "ARM Integrator/AP"; compatible = "arm,integrator-ap"; cpus { #address-cells = <1>; #size-cells = <0>; cpu@0 { device_type = "cpu"; /* * Since the board has pluggable CPU modules, we * cannot define a proper compatible here. Let the * boot loader fill in the apropriate compatible * string if necessary. */ /* compatible = "arm,arm926ej-s"; */ reg = <0>; /* * The documentation in ARM DUI 0138E page 3-12 states * that the maximum frequency for this clock is 200 MHz * but painful trial-and-error has proved to me that it * is actually just hanging the system above 71 MHz. * Sad but true. */ /* kHz uV */ operating-points = <71000 0 66000 0 60000 0 48000 0 36000 0 24000 0 12000 0>; clocks = <&cmosc>; clock-names = "cpu"; clock-latency = <1000000>; /* 1 ms */ }; }; aliases { arm,timer-primary = &timer2; arm,timer-secondary = &timer1; }; chosen { bootargs = "root=/dev/ram0 console=ttyAM0,38400n8 earlyprintk"; }; /* 24 MHz chrystal on the Integrator/AP development board */ xtal24mhz: xtal24mhz@24M { #clock-cells = <0>; compatible = "fixed-clock"; clock-frequency = <24000000>; }; pclk: pclk@0 { #clock-cells = <0>; compatible = "fixed-factor-clock"; clock-div = <1>; clock-mult = <1>; clocks = <&xtal24mhz>; }; /* The UART clock is 14.74 MHz divided by an ICS525 */ uartclk: uartclk@14.74M { #clock-cells = <0>; compatible = "fixed-clock"; clock-frequency = <14745600>; clocks = <&xtal24mhz>; }; core-module@10000000 { /* 24 MHz chrystal on the core module */ cm24mhz: cm24mhz@24M { #clock-cells = <0>; compatible = "fixed-clock"; clock-frequency = <24000000>; }; /* Oscillator on the core module, clocks the CPU core */ cmosc: cmosc@24M { compatible = "arm,syscon-icst525-integratorap-cm"; #clock-cells = <0>; lock-offset = <0x14>; vco-offset = <0x08>; clocks = <&cm24mhz>; }; /* Auxilary oscillator on the core module, 32.369MHz at boot */ auxosc: auxosc@24M { compatible = "arm,syscon-icst525"; #clock-cells = <0>; lock-offset = <0x14>; vco-offset = <0x1c>; clocks = <&cm24mhz>; }; }; syscon { compatible = "arm,integrator-ap-syscon", "syscon"; reg = <0x11000000 0x100>; /* * SYSCLK clocks PCIv3 bridge, system controller and the * logic modules. */ sysclk: apsys@24M { compatible = "arm,syscon-icst525-integratorap-sys"; #clock-cells = <0>; lock-offset = <0x1c>; vco-offset = <0x04>; clocks = <&xtal24mhz>; }; /* One-bit control for the PCI bus clock (33 or 25 MHz) */ pciclk: pciclk@24M { compatible = "arm,syscon-icst525-integratorap-pci"; #clock-cells = <0>; lock-offset = <0x1c>; vco-offset = <0x04>; clocks = <&xtal24mhz>; }; }; timer0: timer@13000000 { compatible = "arm,integrator-timer"; clocks = <&xtal24mhz>; }; timer1: timer@13000100 { compatible = "arm,integrator-timer"; clocks = <&xtal24mhz>; }; timer2: timer@13000200 { compatible = "arm,integrator-timer"; clocks = <&xtal24mhz>; }; pic: pic@14000000 { valid-mask = <0x003fffff>; }; pci: pciv3@62000000 { compatible = "arm,integrator-ap-pci", "v3,v360epc-pci"; device_type = "pci"; #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; /* Bridge registers and config access space */ reg = <0x62000000 0x10000>, <0x61000000 0x01000000>; interrupt-parent = <&pic>; interrupts = <17>; /* Bus error IRQ */ clocks = <&pciclk>; bus-range = <0x00 0xff>; ranges = <0x01000000 0 0x0000000 /* I/O space @00000000 */ 0x60000000 0 0x00010000 /* 64 KB @ LB 60000000 */ 0x02000000 0 0x40000000 /* non-prefectable memory @40000000 */ 0x40000000 0 0x10000000 /* 256 MiB @ LB 40000000 1:1 */ 0x42000000 0 0x50000000 /* prefetchable memory @50000000 */ 0x50000000 0 0x10000000>; /* 256 MiB @ LB 50000000 1:1 */ dma-ranges = <0x02000000 0 0x20000000 /* EBI memory space */ 0x20000000 0 0x20000000 /* 512 MB @ LB 20000000 1:1 */ 0x02000000 0 0x80000000 /* Core module alias memory */ 0x80000000 0 0x40000000>; /* 1GB @ LB 80000000 */ interrupt-map-mask = <0xf800 0 0 0x7>; interrupt-map = < /* IDSEL 9 */ 0x4800 0 0 1 &pic 13 /* INT A on slot 9 is irq 13 */ 0x4800 0 0 2 &pic 14 /* INT B on slot 9 is irq 14 */ 0x4800 0 0 3 &pic 15 /* INT C on slot 9 is irq 15 */ 0x4800 0 0 4 &pic 16 /* INT D on slot 9 is irq 16 */ /* IDSEL 10 */ 0x5000 0 0 1 &pic 14 /* INT A on slot 10 is irq 14 */ 0x5000 0 0 2 &pic 15 /* INT B on slot 10 is irq 15 */ 0x5000 0 0 3 &pic 16 /* INT C on slot 10 is irq 16 */ 0x5000 0 0 4 &pic 13 /* INT D on slot 10 is irq 13 */ /* IDSEL 11 */ 0x5800 0 0 1 &pic 15 /* INT A on slot 11 is irq 15 */ 0x5800 0 0 2 &pic 16 /* INT B on slot 11 is irq 16 */ 0x5800 0 0 3 &pic 13 /* INT C on slot 11 is irq 13 */ 0x5800 0 0 4 &pic 14 /* INT D on slot 11 is irq 14 */ /* IDSEL 12 */ 0x6000 0 0 1 &pic 16 /* INT A on slot 12 is irq 16 */ 0x6000 0 0 2 &pic 13 /* INT B on slot 12 is irq 13 */ 0x6000 0 0 3 &pic 14 /* INT C on slot 12 is irq 14 */ 0x6000 0 0 4 &pic 15 /* INT D on slot 12 is irq 15 */ >; }; fpga { /* * The Integator/AP predates the idea to have magic numbers * identifying the PrimeCell in hardware, thus we have to * supply these from the device tree. */ rtc: rtc@15000000 { compatible = "arm,pl030", "arm,primecell"; arm,primecell-periphid = <0x00041030>; clocks = <&pclk>; clock-names = "apb_pclk"; }; uart0: uart@16000000 { compatible = "arm,pl010", "arm,primecell"; arm,primecell-periphid = <0x00041010>; clocks = <&uartclk>, <&pclk>; clock-names = "uartclk", "apb_pclk"; }; uart1: uart@17000000 { compatible = "arm,pl010", "arm,primecell"; arm,primecell-periphid = <0x00041010>; clocks = <&uartclk>, <&pclk>; clock-names = "uartclk", "apb_pclk"; }; kmi0: kmi@18000000 { compatible = "arm,pl050", "arm,primecell"; arm,primecell-periphid = <0x00041050>; clocks = <&xtal24mhz>, <&pclk>; clock-names = "KMIREFCLK", "apb_pclk"; }; kmi1: kmi@19000000 { compatible = "arm,pl050", "arm,primecell"; arm,primecell-periphid = <0x00041050>; clocks = <&xtal24mhz>, <&pclk>; clock-names = "KMIREFCLK", "apb_pclk"; }; }; /* * Logic module bus, we support up to 4 logical modules * They appear at 0xc0000000, 0xd0000000, 0xe0000000 and 0xf0000000 * and use interrupts 9, 10, 11 and 12 respectively. */ bus@c0000000 { compatible = "arm,integrator-ap-lm"; #address-cells = <1>; #size-cells = <1>; ranges = <0xc0000000 0xc0000000 0x40000000>; dma-ranges; lm0: bus@c0000000 { compatible = "simple-bus"; ranges = <0x00000000 0xc0000000 0x10000000>; dma-ranges = <0x00000000 0x80000000 0x10000000>; reg = <0xc0000000 0x10000000>; #address-cells = <1>; #size-cells = <1>; }; lm1: bus@d0000000 { compatible = "simple-bus"; ranges = <0x00000000 0xd0000000 0x10000000>; dma-ranges = <0x00000000 0x80000000 0x10000000>; reg = <0xd0000000 0x10000000>; #address-cells = <1>; #size-cells = <1>; }; lm2: bus@e0000000 { compatible = "simple-bus"; ranges = <0x00000000 0xe0000000 0x10000000>; dma-ranges = <0x00000000 0x80000000 0x10000000>; reg = <0xe0000000 0x10000000>; #address-cells = <1>; #size-cells = <1>; }; lm3: bus@f0000000 { compatible = "simple-bus"; ranges = <0x00000000 0xf0000000 0x10000000>; dma-ranges = <0x00000000 0x80000000 0x10000000>; reg = <0xf0000000 0x10000000>; #address-cells = <1>; #size-cells = <1>; }; }; };