diff options
| -rw-r--r-- | arch/openrisc/boot/dts/de0-nano-common.dtsi | 42 | ||||
| -rw-r--r-- | arch/openrisc/boot/dts/de0-nano.dts | 54 | ||||
| -rw-r--r-- | arch/openrisc/configs/de0_nano_defconfig | 79 |
3 files changed, 175 insertions, 0 deletions
diff --git a/arch/openrisc/boot/dts/de0-nano-common.dtsi b/arch/openrisc/boot/dts/de0-nano-common.dtsi new file mode 100644 index 000000000000..02e329e28e33 --- /dev/null +++ b/arch/openrisc/boot/dts/de0-nano-common.dtsi @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/leds/common.h> + +/ { + leds0: leds { + compatible = "gpio-leds"; + + led-heartbeat { + gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_HEARTBEAT; + linux,default-trigger = "heartbeat"; + label = "heartbeat"; + }; + }; + + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x02000000>; + }; + + /* 8 Green LEDs */ + gpio0: gpio@91000000 { + compatible = "opencores,gpio"; + reg = <0x91000000 0x1>, <0x91000001 0x1>; + reg-names = "dat", "dirout"; + gpio-controller; + #gpio-cells = <2>; + }; + + /* 4 DIP Switches */ + gpio1: gpio@92000000 { + compatible = "opencores,gpio"; + reg = <0x92000000 0x1>, <0x92000001 0x1>; + reg-names = "dat", "dirout"; + gpio-controller; + #gpio-cells = <2>; + status = "disabled"; + }; +}; diff --git a/arch/openrisc/boot/dts/de0-nano.dts b/arch/openrisc/boot/dts/de0-nano.dts new file mode 100644 index 000000000000..b5b854e7e8b4 --- /dev/null +++ b/arch/openrisc/boot/dts/de0-nano.dts @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: GPL-2.0 + +/dts-v1/; + +#include "de0-nano-common.dtsi" + +/ { + model = "Terasic DE0 Nano"; + compatible = "opencores,or1ksim"; + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&pic>; + + aliases { + uart0 = &serial0; + }; + + chosen { + stdout-path = "uart0:115200"; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "opencores,or1200-rtlsvn481"; + reg = <0>; + clock-frequency = <50000000>; + }; + }; + + /* + * OR1K PIC is built into CPU and accessed via special purpose + * registers. It is not addressable and, hence, has no 'reg' + * property. + */ + pic: pic { + compatible = "opencores,or1k-pic"; + #interrupt-cells = <1>; + interrupt-controller; + }; + + serial0: serial@90000000 { + compatible = "opencores,uart16550-rtlsvn105", "ns16550a"; + reg = <0x90000000 0x100>; + interrupts = <2>; + clock-frequency = <50000000>; + }; +}; + +&gpio1 { + status = "okay"; +}; diff --git a/arch/openrisc/configs/de0_nano_defconfig b/arch/openrisc/configs/de0_nano_defconfig new file mode 100644 index 000000000000..bc63905f9cd8 --- /dev/null +++ b/arch/openrisc/configs/de0_nano_defconfig @@ -0,0 +1,79 @@ +CONFIG_SYSVIPC=y +CONFIG_NO_HZ=y +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_BLK_DEV_INITRD=y +# CONFIG_RD_GZIP is not set +# CONFIG_RD_LZMA is not set +# CONFIG_RD_LZO is not set +# CONFIG_RD_LZ4 is not set +# CONFIG_RD_ZSTD is not set +CONFIG_EXPERT=y +# CONFIG_EPOLL is not set +# CONFIG_TIMERFD is not set +# CONFIG_EVENTFD is not set +# CONFIG_AIO is not set +CONFIG_BUILTIN_DTB_NAME="de0-nano" +# CONFIG_FPU is not set +CONFIG_HZ_100=y +# CONFIG_BLOCK is not set +CONFIG_SLUB_TINY=y +# CONFIG_COMPAT_BRK is not set +# CONFIG_VM_EVENT_COUNTERS is not set +CONFIG_NET=y +CONFIG_UNIX=y +CONFIG_UNIX_DIAG=y +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_INET_UDP_DIAG=y +CONFIG_INET_RAW_DIAG=y +CONFIG_INET_DIAG_DESTROY=y +# CONFIG_IPV6 is not set +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +# CONFIG_PREVENT_FIRMWARE_BUILD is not set +# CONFIG_FW_LOADER is not set +# CONFIG_INPUT is not set +# CONFIG_SERIO is not set +# CONFIG_VT is not set +# CONFIG_LEGACY_PTYS is not set +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_OF_PLATFORM=y +# CONFIG_HW_RANDOM is not set +CONFIG_PPS=y +CONFIG_GPIO_SYSFS=y +# CONFIG_GPIO_SYSFS_LEGACY is not set +CONFIG_GPIO_GENERIC_PLATFORM=y +# CONFIG_HWMON is not set +# CONFIG_USB_SUPPORT is not set +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_GPIO=y +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_TIMER=y +CONFIG_LEDS_TRIGGER_ONESHOT=y +CONFIG_LEDS_TRIGGER_HEARTBEAT=y +CONFIG_LEDS_TRIGGER_CPU=y +CONFIG_LEDS_TRIGGER_ACTIVITY=y +CONFIG_LEDS_TRIGGER_GPIO=y +CONFIG_LEDS_TRIGGER_DEFAULT_ON=y +CONFIG_LEDS_TRIGGER_TRANSIENT=y +CONFIG_LEDS_TRIGGER_PANIC=y +CONFIG_LEDS_TRIGGER_NETDEV=y +CONFIG_LEDS_TRIGGER_PATTERN=y +CONFIG_LEDS_TRIGGER_TTY=y +# CONFIG_VIRTIO_MENU is not set +# CONFIG_VHOST_MENU is not set +# CONFIG_DNOTIFY is not set +CONFIG_TMPFS=y +# CONFIG_XZ_DEC_X86 is not set +# CONFIG_XZ_DEC_POWERPC is not set +# CONFIG_XZ_DEC_ARM is not set +# CONFIG_XZ_DEC_ARMTHUMB is not set +# CONFIG_XZ_DEC_ARM64 is not set +# CONFIG_XZ_DEC_SPARC is not set +# CONFIG_XZ_DEC_RISCV is not set +CONFIG_PRINTK_TIME=y +# CONFIG_DEBUG_MISC is not set +# CONFIG_FTRACE is not set +# CONFIG_RUNTIME_TESTING_MENU is not set |