soc/sifive/sifive_freedom: add SiFive Freedom E310 SoC

This commit adds support for the SiFive Freedom E310 SoC for the Zephyr
Hardware Model v2.

Signed-off-by: Filip Kokosinski <fkokosinski@antmicro.com>

soc/sifive/sifive_freedom/Kconfig

@@ -0,0 +1,9 @@
+# Copyright (c) 2024 Nordic Semiconductor ASA
+# Copyright (c) 2024 Antmicro <www.antmicro.com>
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_FAMILY_SIFIVE_FREEDOM
+
+rsource "*/Kconfig"
+
+endif # SOC_FAMILY_SIFIVE_FREEDOM

soc/sifive/sifive_freedom/Kconfig.defconfig

@@ -0,0 +1,9 @@
+# Copyright (c) 2024 Nordic Semiconductor ASA
+# Copyright (c) 2024 Antmicro <www.antmicro.com>
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_FAMILY_SIFIVE_FREEDOM
+
+rsource "*/Kconfig.defconfig"
+
+endif # SOC_FAMILY_SIFIVE_FREEDOM

soc/sifive/sifive_freedom/Kconfig.soc

@@ -0,0 +1,11 @@
+# Copyright (c) 2024 Nordic Semiconductor ASA
+# Copyright (c) 2024 Antmicro <www.antmicro.com>
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_FAMILY_SIFIVE_FREEDOM
+	bool
+
+config SOC_FAMILY
+	default "sifive_freedom" if SOC_FAMILY_SIFIVE_FREEDOM
+
+rsource "*/Kconfig.soc"

soc/sifive/sifive_freedom/fe300/CMakeLists.txt

@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: Apache-2.0
 
 zephyr_sources(clock.c)
+zephyr_include_directories(.)
 
 set(SOC_LINKER_SCRIPT ${ZEPHYR_BASE}/include/zephyr/arch/riscv/common/linker.ld CACHE INTERNAL "")

soc/sifive/sifive_freedom/fe300/Kconfig

@@ -1,20 +1,19 @@
-# RISCV_SIFIVE_FREEDOM SOC configuration options
-
 # Copyright (c) 2017 Jean-Paul Etienne <fractalclone@gmail.com>
+# Copyright (c) 2024 Antmicro <www.antmicro.com>
 # SPDX-License-Identifier: Apache-2.0
 
-choice
+config SOC_SERIES_SIFIVE_FREEDOM_FE300
-	prompt "SiFive Freedom SOC implementation"
+	bool
-	depends on SOC_SERIES_SIFIVE_FREEDOM_E300
 
-config SOC_SIFIVE_FREEDOM_E340
+	# RISC-V options
-	bool "SiFive Freedom SOC implementation"
+	select RISCV
-	select ATOMIC_OPERATIONS_C
+	select RISCV_PRIVILEGED
-	select INCLUDE_RESET_VECTOR
+	select RISCV_HAS_PLIC
 	select RISCV_ISA_RV32I
 	select RISCV_ISA_EXT_M
 	select RISCV_ISA_EXT_A
 	select RISCV_ISA_EXT_ZICSR
 	select RISCV_ISA_EXT_ZIFENCEI
 
-endchoice
+	select ATOMIC_OPERATIONS_C
+	select INCLUDE_RESET_VECTOR

soc/sifive/sifive_freedom/fe300/Kconfig.defconfig

@@ -1,10 +1,8 @@
 # Copyright (c) 2017 Jean-Paul Etienne <fractalclone@gmail.com>
+# Copyright (c) 2024 Antmicro <www.antmicro.com>
 # SPDX-License-Identifier: Apache-2.0
 
-if SOC_SERIES_SIFIVE_FREEDOM_E300
+if SOC_SERIES_SIFIVE_FREEDOM_FE300
-
-config SOC_SERIES
-	default "e300"
 
 config SYS_CLOCK_HW_CYCLES_PER_SEC
 	default 32768
@@ -27,6 +25,4 @@ config MAX_IRQ_PER_AGGREGATOR
 config NUM_IRQS
 	default 64
 
-source "soc/soc_legacy/riscv/sifive_freedom/e300/Kconfig.defconfig.e*"
+endif # SOC_SERIES_SIFIVE_FREEDOM_FE300
-
-endif # SOC_SERIES_SIFIVE_FREEDOM_E300

soc/sifive/sifive_freedom/fe300/Kconfig.soc

@@ -0,0 +1,16 @@
+# Copyright (c) 2024 Antmicro <www.antmicro.com>
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_SERIES_SIFIVE_FREEDOM_FE300
+	bool
+	select SOC_FAMILY_SIFIVE_FREEDOM
+
+config SOC_SERIES
+	default "fe300" if SOC_SERIES_SIFIVE_FREEDOM_FE300
+
+config SOC_SIFIVE_FREEDOM_FE310
+	bool
+	select SOC_SERIES_SIFIVE_FREEDOM_FE300
+
+config SOC
+	default "fe310" if SOC_SIFIVE_FREEDOM_FE310

soc/sifive/sifive_freedom/soc.yml

@@ -0,0 +1,6 @@
+family:
+  - name: sifive_freedom
+    series:
+      - name: fe300
+        socs:
+          - name: fe310

soc/soc_legacy/riscv/sifive_freedom/e300/Kconfig.defconfig.e340

@@ -1,5 +0,0 @@
-# Copyright (c) 2017 Jean-Paul Etienne <fractalclone@gmail.com>
-# SPDX-License-Identifier: Apache-2.0
-
-config SOC
-	default "e340" if SOC_SIFIVE_FREEDOM_E340

soc/soc_legacy/riscv/sifive_freedom/e300/Kconfig.series

@@ -1,13 +0,0 @@
-# RISCV_SIFIVE_FREEDOM SOC implementation
-
-# Copyright (c) 2017 Jean-Paul Etienne <fractalclone@gmail.com>
-# SPDX-License-Identifier: Apache-2.0
-
-config SOC_SERIES_SIFIVE_FREEDOM_E300
-	bool "SiFive Freedom E300 SOC implementation"
-	select RISCV
-	select RISCV_PRIVILEGED
-	select RISCV_HAS_PLIC
-	select SOC_FAMILY_SIFIVE_FREEDOM
-	help
-	  Enable support for SiFive Freedom FE300 SOC