| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Device Tree for the ARM Integrator/AP platform |
| */ |
| |
| /dts-v1/; |
| /include/ "integrator.dtsi" |
| |
| / { |
| 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>; |
| interrupt-parent = <&pic>; |
| /* These are the logical module IRQs */ |
| interrupts = <9>, <10>, <11>, <12>; |
| |
| /* |
| * 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"; |
| #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"; |
| }; |
| }; |
| }; |