starfive/visionfive: add cflags and kernel opts

This patch enables new kernel drivers available in 6.7. It also fine-tunes the compiler to use proper processor flags. Signed-off-by: Max Berger <[email protected]> Reviewed-by: Christian Stewart <[email protected]>
skiffos · Feb 5, 2024 · 27dff3e · 27dff3e
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diff --git a/configs/starfive/visionfive2/cflags/01-arch b/configs/starfive/visionfive2/cflags/01-arch
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+# VisionFive2 CPU Flags
+# https://wiki.gentoo.org/wiki/Embedded_Handbook/Boards/StarFive_VisionFive_2
+# /proc/cpuinfo:
+#  - isa: rv64imafdc_zicntr_zicsr_zifencei_zihpm_zba_zbb
+#  - mmu: sv39
+#  - uarch: sifive,u74-mc
+# zicntr and zihpm are not known to gcc at this time.
+-mabi=lp64d
+-march=rv64imafdc_zicsr_zifencei_zba_zbb
+-mcpu=sifive-u74
+-mtune=sifive-7-series
+--param l1-cache-size=32
+--param l2-cache-size=2048
+
diff --git a/configs/starfive/visionfive2/kernel/audio b/configs/starfive/visionfive2/kernel/audio
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+CONFIG_SND_SOC_STARFIVE=y
+CONFIG_SND_SOC_JH7110_PWMDAC=m
+CONFIG_SND_SOC_JH7110_TDM=m
diff --git a/configs/starfive/visionfive2/kernel/crypto b/configs/starfive/visionfive2/kernel/crypto
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+CONFIG_CRYPTO_DEV_JH7110=y
diff --git a/configs/starfive/visionfive2/kernel/random b/configs/starfive/visionfive2/kernel/random
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+CONFIG_HW_RANDOM_JH7110=y
diff --git a/configs/starfive/visionfive2/kernel/usb b/configs/starfive/visionfive2/kernel/usb
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+CONFIG_USB_CDNS3_STARFIVE=m