diff options
Diffstat (limited to 'bsp')
| -rw-r--r-- | bsp/sifive-hifive1-revb/README.md | 13 | ||||
| -rw-r--r-- | bsp/sifive-hifive1-revb/design.dts | 196 | ||||
| -rw-r--r-- | bsp/sifive-hifive1-revb/settings.mk | 3 |
3 files changed, 212 insertions, 0 deletions
diff --git a/bsp/sifive-hifive1-revb/README.md b/bsp/sifive-hifive1-revb/README.md new file mode 100644 index 0000000..0cc2af3 --- /dev/null +++ b/bsp/sifive-hifive1-revb/README.md @@ -0,0 +1,13 @@ +HiFive1 Rev B is a low-cost, Arduino-compatible development board featuring the Freedom E310. It’s the best way to start prototyping and developing your RISC‑V applications. + +This target is ideal for getting familiarize with RISC-V ISA instructions set and freedom-metal libraries. It supports: + +- 1 hart with RV32IMAC core +- 4 hardware breakpoints +- Physical Memory Protection with 8 regions +- 16 local interrupts signal that can be connected to off core complex devices +- Up to 127 PLIC interrupt signals that can be connected to off core complex devices, with 7 priority levels +- GPIO memory with 16 interrupt lines +- SPI memory with 1 interrupt line +- Serial port with 1 interrupt line +- 1 RGB LEDS diff --git a/bsp/sifive-hifive1-revb/design.dts b/bsp/sifive-hifive1-revb/design.dts new file mode 100644 index 0000000..5f1797d --- /dev/null +++ b/bsp/sifive-hifive1-revb/design.dts @@ -0,0 +1,196 @@ +/dts-v1/; + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "sifive,hifive1-revb"; + model = "sifive,hifive1-revb"; + + chosen { + stdout-path = "/soc/serial@10013000:115200"; + metal,entry = <&spi0 0x100000>; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + compatible = "sifive,fe310-g000"; + L6: cpu@0 { + clocks = <&hfclk>; + compatible = "sifive,rocket0", "riscv"; + device_type = "cpu"; + i-cache-block-size = <64>; + i-cache-sets = <128>; + i-cache-size = <16384>; + next-level-cache = <&spi0>; + reg = <0>; + riscv,isa = "rv32imac"; + sifive,dtim = <&dtim>; + status = "okay"; + timebase-frequency = <1000000>; + hardware-exec-breakpoint-count = <4>; + hlic: interrupt-controller { + #interrupt-cells = <1>; + compatible = "riscv,cpu-intc"; + interrupt-controller; + }; + }; + }; + + soc { + #address-cells = <1>; + #size-cells = <1>; + #clock-cells = <1>; + compatible = "sifive,hifive1"; + ranges; + + pmp: pmp@0 { + compatible = "riscv,pmp"; + regions = <8>; + }; + + hfxoscin: clock@0 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <16000000>; + }; + hfxoscout: clock@1 { + compatible = "sifive,fe310-g000,hfxosc"; + clocks = <&hfxoscin>; + reg = <&prci 0x4>; + reg-names = "config"; + }; + hfroscin: clock@2 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <72000000>; + }; + hfroscout: clock@3 { + compatible = "sifive,fe310-g000,hfrosc"; + clocks = <&hfroscin>; + reg = <&prci 0x0>; + reg-names = "config"; + }; + hfclk: clock@4 { + compatible = "sifive,fe310-g000,pll"; + clocks = <&hfxoscout &hfroscout>; + clock-names = "pllref", "pllsel0"; + reg = <&prci 0x8 &prci 0xc>; + reg-names = "config", "divider"; + clock-frequency = <16000000>; + }; + + lfroscin: clock@5 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32000000>; + }; + lfclk: clock@6 { + compatible = "sifive,fe310-g000,lfrosc"; + clocks = <&lfroscin>; + reg = <&aon 0x70>; + reg-names = "config"; + }; + + aon: aon@10000000 { + compatible = "sifive,aon0"; + reg = <0x10000000 0x8000>; + reg-names = "mem"; + }; + + prci: prci@10008000 { + compatible = "sifive,fe310-g000,prci"; + reg = <0x10008000 0x8000>; + reg-names = "mem"; + }; + + clint: clint@2000000 { + compatible = "riscv,clint0"; + interrupts-extended = <&hlic 3 &hlic 7>; + reg = <0x2000000 0x10000>; + reg-names = "control"; + }; + local-external-interrupts-0 { + compatible = "sifive,local-external-interrupts0"; + interrupt-parent = <&hlic>; + interrupts = <16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31>; + }; + plic: interrupt-controller@c000000 { + #interrupt-cells = <1>; + compatible = "riscv,plic0"; + interrupt-controller; + interrupts-extended = <&hlic 11>; + reg = <0xc000000 0x4000000>; + reg-names = "control"; + riscv,max-priority = <7>; + riscv,ndev = <26>; + }; + global-external-interrupts { + compatile = "sifive,global-external-interrupts0"; + interrupt-parent = <&plic>; + interrupts = <1 2 3 4>; + }; + + debug-controller@0 { + compatible = "sifive,debug-011", "riscv,debug-011"; + interrupts-extended = <&hlic 65535>; + reg = <0x0 0x100>; + reg-names = "control"; + }; + + maskrom@1000 { + reg = <0x1000 0x2000>; + reg-names = "mem"; + }; + otp@20000 { + reg = <0x20000 0x2000 0x10010000 0x1000>; + reg-names = "mem", "control"; + }; + + dtim: dtim@80000000 { + compatible = "sifive,dtim0"; + reg = <0x80000000 0x4000>; + reg-names = "mem"; + }; + + pwm@10015000 { + compatible = "sifive,pwm0"; + interrupt-parent = <&plic>; + interrupts = <23 24 25 26>; + reg = <0x10015000 0x1000>; + reg-names = "control"; + }; + gpio0: gpio@10012000 { + compatible = "sifive,gpio0"; + interrupt-parent = <&plic>; + interrupts = <7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22>; + reg = <0x10012000 0x1000>; + reg-names = "control"; + }; + uart0: serial@10013000 { + compatible = "sifive,uart0"; + interrupt-parent = <&plic>; + interrupts = <5>; + reg = <0x10013000 0x1000>; + reg-names = "control"; + clocks = <&hfclk>; + pinmux = <&gpio0 0x30000 0x30000>; + }; + spi0: spi@10014000 { + compatible = "sifive,spi0"; + interrupt-parent = <&plic>; + interrupts = <6>; + reg = <0x10014000 0x1000 0x20000000 0x20000000>; + reg-names = "control", "mem"; + clocks = <&hfclk>; + pinmux = <&gpio0 0x0003C 0x0003C>; + }; + i2c0: i2c@10016000 { + compatible = "sifive,i2c0"; + interrupt-parent = <&plic>; + interrupts = <52>; + reg = <0x10016000 0x1000>; + reg-names = "control"; + }; + }; +}; diff --git a/bsp/sifive-hifive1-revb/settings.mk b/bsp/sifive-hifive1-revb/settings.mk new file mode 100644 index 0000000..fd73559 --- /dev/null +++ b/bsp/sifive-hifive1-revb/settings.mk @@ -0,0 +1,3 @@ +RISCV_ARCH = rv32imac +RISCV_ABI = ilp32 +RISCV_CMODEL = medlow |