c057db94f8
Siflower SF21A6826/SF21H8898 are a family of RISC-V SoCs with: * Quad-core T-Head C908 (1.125G for SF21A6826, 1.25G for SF21H8898) * DDR3/DDR4 memory controller * 1 QSGMII 4x1G * 1 SGMII/2500Base-X 2.5G * 1 additional RGMII on SF21H8898 * Network offloading engine for L2 switching and L3 NAT * 2 PCIE Gen2 lanes, operating in either one PCIE Gen2x2 or two PCIE Gen2x1 mode * 1 USB2.0 Link: https://github.com/openwrt/openwrt/pull/17115 Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
59 lines
1.7 KiB
Diff
59 lines
1.7 KiB
Diff
From: Chuanhong Guo <gch981213@gmail.com>
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Date: Tue, 20 Aug 2024 08:32:17 +0800
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Subject: [PATCH 04/20] mips: add support for Siflower SF19A2890
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Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
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---
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arch/mips/Kconfig | 29 +++++++++++++++++++++++++++++
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arch/mips/generic/Platform | 1 +
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2 files changed, 30 insertions(+)
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--- a/arch/mips/Kconfig
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+++ b/arch/mips/Kconfig
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@@ -861,6 +861,35 @@ config SIBYTE_BIGSUR
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select ZONE_DMA32 if 64BIT
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select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
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+config MACH_SIFLOWER_MIPS
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+ bool "Siflower MIPS SoCs"
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+ select MIPS_GENERIC
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+ select ARM_AMBA
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+ select BOOT_RAW
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+ select CEVT_R4K
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+ select CLKSRC_MIPS_GIC
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+ select COMMON_CLK
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+ select CPU_MIPSR2_IRQ_EI
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+ select CPU_MIPSR2_IRQ_VI
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+ select CSRC_R4K
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+ select DMA_NONCOHERENT
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+ select IRQ_MIPS_CPU
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+ select MIPS_CPU_SCACHE
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+ select MIPS_GIC
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+ select MIPS_L1_CACHE_SHIFT_5
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+ select NO_EXCEPT_FILL
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+ select SMP_UP if SMP
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+ select SYS_HAS_CPU_MIPS32_R2
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+ select SYS_SUPPORTS_32BIT_KERNEL
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+ select SYS_SUPPORTS_LITTLE_ENDIAN
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+ select SYS_SUPPORTS_MIPS16
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+ select SYS_SUPPORTS_MIPS_CPS
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+ select SYS_SUPPORTS_MULTITHREADING
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+ select USE_OF
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+ help
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+ Select this to build a kernel which supports SoCs from Siflower
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+ with MIPS InterAptiv cores, like Siflower SF19A2890.
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+
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config SNI_RM
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bool "SNI RM200/300/400"
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select ARC_MEMORY
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--- a/arch/mips/generic/Platform
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+++ b/arch/mips/generic/Platform
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@@ -10,6 +10,7 @@
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# Note: order matters, keep the asm/mach-generic include last.
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cflags-$(CONFIG_MACH_INGENIC_SOC) += -I$(srctree)/arch/mips/include/asm/mach-ingenic
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+cflags-$(CONFIG_MACH_SIFLOWER_MIPS) += -I$(srctree)/arch/mips/include/asm/mach-siflower
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cflags-$(CONFIG_MIPS_GENERIC) += -I$(srctree)/arch/mips/include/asm/mach-generic
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load-$(CONFIG_MIPS_GENERIC) += 0xffffffff80100000
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