bsp/riscv: Add NOEL-V BSP

Added support for Cobham Gaisler NOEL-V systems. The NOEL-V support
is implemented as a riscv BSP. Both 32-bit and 64-bit processor
systems are supported. Cobham Gaisler's NOEL-V RISC-V processor IP
is described here:
  https://www.gaisler.com/NOELV

Compatible with the following NOEL-V FPGA example design ranges
available from Cobham Gaisler. Follow the links for free
bit-streams, DTS/DTB, user's manuals and quick-start guides:
- NOEL-ARTYA7-EX    (https://www.gaisler.com/NOEL-ARTYA7)
- NOEL-PF-EX        (https://www.gaisler.com/NOEL-PF)
- NOEL-XCKU-EX      (https://www.gaisler.com/NOEL-XCKU)

Uses the shared GRLIB APBUART console driver "apbuart_termios.c".
APBUART devices are probed using device tree.

Closes #4225.

13 files changed, 282 insertions, 0 deletions

diff --git a/spec/build/bsps/riscv/noel/abi.yml b/spec/build/bsps/riscv/noel/abi.yml
new file mode 100644
index 0000000000..f81e0c1a60
--- /dev/null
+++ b/spec/build/bsps/riscv/noel/abi.yml
@@ -0,0 +1,48 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-string: null
+- split: null
+- env-append: null
+build-type: option
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+default:
+- -march=rv32ima
+- -mabi=ilp32
+default-by-variant:
+- value:
+  - -march=rv64imafdc
+  - -mabi=lp64d
+  variants:
+  - riscv/noel64imafdc
+- value:
+  - -march=rv64imafd
+  - -mabi=lp64d
+  variants:
+  - riscv/noel64imafd
+- value:
+  - -march=rv64imac
+  - -mabi=lp64
+  variants:
+  - riscv/noel64imac
+- value:
+  - -march=rv64im
+  - -mabi=lp64
+  variants:
+  - riscv/noel64im
+- value:
+  - -march=rv32imafd
+  - -mabi=ilp32d
+  variants:
+  - riscv/noel32imafd
+- value:
+  - -march=rv32im
+  - -mabi=ilp32
+  variants:
+  - riscv/noel32im
+description: |
+  ABI flags
+enabled-by: true
+links: []
+name: ABI_FLAGS
+type: build
diff --git a/spec/build/bsps/riscv/noel/bspnoel32im.yml b/spec/build/bsps/riscv/noel/bspnoel32im.yml
new file mode 100644
index 0000000000..ab9a650ca5
--- /dev/null
+++ b/spec/build/bsps/riscv/noel/bspnoel32im.yml
@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+arch: riscv
+bsp: noel32im
+build-type: bsp
+cflags: []
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+cppflags: []
+enabled-by: true
+family: noel
+includes: []
+install: []
+links:
+- role: build-dependency
+  uid: ../../opto2
+- role: build-dependency
+  uid: grp
+source: []
+type: build
diff --git a/spec/build/bsps/riscv/noel/bspnoel32imafd.yml b/spec/build/bsps/riscv/noel/bspnoel32imafd.yml
new file mode 100644
index 0000000000..7510f182a1
--- /dev/null
+++ b/spec/build/bsps/riscv/noel/bspnoel32imafd.yml
@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+arch: riscv
+bsp: noel32imafd
+build-type: bsp
+cflags: []
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+cppflags: []
+enabled-by: true
+family: noel
+includes: []
+install: []
+links:
+- role: build-dependency
+  uid: ../../opto2
+- role: build-dependency
+  uid: grp
+source: []
+type: build
diff --git a/spec/build/bsps/riscv/noel/bspnoel64imac.yml b/spec/build/bsps/riscv/noel/bspnoel64imac.yml
new file mode 100644
index 0000000000..16e9b20fd2
--- /dev/null
+++ b/spec/build/bsps/riscv/noel/bspnoel64imac.yml
@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+arch: riscv
+bsp: noel64imac
+build-type: bsp
+cflags: []
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+cppflags: []
+enabled-by: true
+family: noel
+includes: []
+install: []
+links:
+- role: build-dependency
+  uid: ../../opto2
+- role: build-dependency
+  uid: grp
+source: []
+type: build
diff --git a/spec/build/bsps/riscv/noel/bspnoel64imafd.yml b/spec/build/bsps/riscv/noel/bspnoel64imafd.yml
new file mode 100644
index 0000000000..c6a2b4f6a5
--- /dev/null
+++ b/spec/build/bsps/riscv/noel/bspnoel64imafd.yml
@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+arch: riscv
+bsp: noel64imafd
+build-type: bsp
+cflags: []
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+cppflags: []
+enabled-by: true
+family: noel
+includes: []
+install: []
+links:
+- role: build-dependency
+  uid: ../../opto2
+- role: build-dependency
+  uid: grp
+source: []
+type: build
diff --git a/spec/build/bsps/riscv/noel/bspnoel64imafdc.yml b/spec/build/bsps/riscv/noel/bspnoel64imafdc.yml
new file mode 100644
index 0000000000..9aa881ed93
--- /dev/null
+++ b/spec/build/bsps/riscv/noel/bspnoel64imafdc.yml
@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+arch: riscv
+bsp: noel64imafdc
+build-type: bsp
+cflags: []
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+cppflags: []
+enabled-by: true
+family: noel
+includes: []
+install: []
+links:
+- role: build-dependency
+  uid: ../../opto2
+- role: build-dependency
+  uid: grp
+source: []
+type: build
diff --git a/spec/build/bsps/riscv/noel/grp.yml b/spec/build/bsps/riscv/noel/grp.yml
new file mode 100644
index 0000000000..c527fd6fef
--- /dev/null
+++ b/spec/build/bsps/riscv/noel/grp.yml
@@ -0,0 +1,61 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+build-type: group
+cflags: []
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+cppflags: []
+cxxflags: []
+enabled-by: true
+includes: []
+install: []
+ldflags: []
+links:
+- role: build-dependency
+  uid: ../../obj
+- role: build-dependency
+  uid: ../../objirq
+- role: build-dependency
+  uid: ../../optclang
+- role: build-dependency
+  uid: ../../optconsolebaud
+- role: build-dependency
+  uid: ../../optgcc
+- role: build-dependency
+  uid: ../grp
+- role: build-dependency
+  uid: ../optrambegin
+- role: build-dependency
+  uid: ../optramsize
+- role: build-dependency
+  uid: abi
+- role: build-dependency
+  uid: obj
+- role: build-dependency
+  uid: objsmp
+- role: build-dependency
+  uid: ../../objmem
+- role: build-dependency
+  uid: ../optextirqmax
+- role: build-dependency
+  uid: ../../optfdtcpyro
+- role: build-dependency
+  uid: ../../optfdtmxsz
+- role: build-dependency
+  uid: ../../optfdtro
+- role: build-dependency
+  uid: ../../optfdtuboot
+- role: build-dependency
+  uid: ../../optconsoleirq
+- role: build-dependency
+  uid: ../linkcmds
+- role: build-dependency
+  uid: ../linkcmdsbase
+- role: build-dependency
+  uid: ../start
+- role: build-dependency
+  uid: ../../bspopts
+- role: build-dependency
+  uid: optapbuartmax
+type: build
+use-after: []
+use-before: []
diff --git a/spec/build/bsps/riscv/noel/obj.yml b/spec/build/bsps/riscv/noel/obj.yml
new file mode 100644
index 0000000000..e702eb334d
--- /dev/null
+++ b/spec/build/bsps/riscv/noel/obj.yml
@@ -0,0 +1,38 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+build-type: objects
+cflags: []
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+cppflags: []
+cxxflags: []
+enabled-by: true
+includes: []
+install:
+- destination: ${BSP_INCLUDEDIR}
+  source:
+  - bsps/riscv/noel/include/bsp.h
+  - bsps/riscv/noel/include/tm27.h
+- destination: ${BSP_INCLUDEDIR}/bsp
+  source:
+  - bsps/riscv/noel/include/bsp/irq.h
+  - bsps/riscv/noel/include/bsp/riscv.h
+links: []
+source:
+- bsps/riscv/riscv/clock/clockdrv.c
+- bsps/riscv/noel/console/console-config.c
+- bsps/riscv/riscv/irq/irq.c
+- bsps/riscv/noel/start/bsp_fatal_halt.c
+- bsps/riscv/riscv/start/bspstart.c
+- bsps/riscv/shared/start/bspgetworkarea.c
+- bsps/shared/cache/nocache.c
+- bsps/shared/dev/btimer/btimer-cpucounter.c
+- bsps/shared/dev/getentropy/getentropy-cpucounter.c
+- bsps/shared/dev/serial/console-termios.c
+- bsps/shared/irq/irq-default-handler.c
+- bsps/shared/start/bsp-fdt.c
+- bsps/shared/start/bspfatal-default.c
+- bsps/shared/start/bspreset-empty.c
+- bsps/shared/start/gettargethash-default.c
+- bsps/shared/grlib/uart/apbuart_polled.c
+- bsps/shared/grlib/uart/apbuart_termios.c
+type: build
diff --git a/spec/build/bsps/riscv/noel/objsmp.yml b/spec/build/bsps/riscv/noel/objsmp.yml
new file mode 100644
index 0000000000..46369f977e
--- /dev/null
+++ b/spec/build/bsps/riscv/noel/objsmp.yml
@@ -0,0 +1,15 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+build-type: objects
+cflags: []
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+cppflags: []
+cxxflags: []
+enabled-by:
+- RTEMS_SMP
+includes: []
+install: []
+links: []
+source:
+- bsps/riscv/riscv/start/bspsmp.c
+type: build
diff --git a/spec/build/bsps/riscv/noel/optapbuartmax.yml b/spec/build/bsps/riscv/noel/optapbuartmax.yml
new file mode 100644
index 0000000000..c120816868
--- /dev/null
+++ b/spec/build/bsps/riscv/noel/optapbuartmax.yml
@@ -0,0 +1,16 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-integer: null
+- define: null
+build-type: option
+copyrights:
+- Copyright (C) 2022 Cobham Gaisler AB
+default: 2
+default-by-variant: []
+description: |
+  maximum number of APBUART devices supported by the console driver (2 by default)
+enabled-by: true
+format: '{}'
+links: []
+name: RISCV_CONSOLE_MAX_APBUART_DEVICES
+type: build
diff --git a/spec/build/bsps/riscv/optrambegin.yml b/spec/build/bsps/riscv/optrambegin.yml
index 2073926dac..4a867a1921 100644
--- a/spec/build/bsps/riscv/optrambegin.yml
+++ b/spec/build/bsps/riscv/optrambegin.yml
@@ -16,6 +16,9 @@ default-by-variant:
 - value: 1879048192
   variants:
   - riscv/rv64.*
+- value: 0
+  variants:
+  - riscv/noel.*
 - value: 1073741824
   variants:
   - riscv/griscv
diff --git a/spec/build/cpukit/optarchbits.yml b/spec/build/cpukit/optarchbits.yml
index ac9a1f19cd..f7b652cc60 100644
--- a/spec/build/cpukit/optarchbits.yml
+++ b/spec/build/cpukit/optarchbits.yml
@@ -11,11 +11,13 @@ default-by-variant:
 - value:
   - '64'
   variants:
+  - riscv/noel64.*
   - riscv/rv64.*
 - value:
   - '32'
   variants:
   - riscv/griscv
+  - riscv/noel32.*
   - riscv/rv32.*
 description: The architecture word bits for the clang target triple.
 enabled-by:
diff --git a/spec/build/cpukit/optsmp.yml b/spec/build/cpukit/optsmp.yml
index b4a2d2c771..a9e62bf8b9 100644
--- a/spec/build/cpukit/optsmp.yml
+++ b/spec/build/cpukit/optsmp.yml
@@ -31,6 +31,10 @@ enabled-by:
 - riscv/griscv
 - riscv/grv32imac
 - riscv/grv32imafdc
+- riscv/noel32imafd
+- riscv/noel64imac
+- riscv/noel64imafdc
+- riscv/noel64imafd
 - riscv/rv32iac
 - riscv/rv32imac
 - riscv/rv32imafc