From c2ec4604afb39904c01dfe38ca8289c446b898bb Mon Sep 17 00:00:00 2001
From: Chuanhong Guo <gch981213@gmail.com>
Date: Tue, 20 Aug 2024 08:32:17 +0800
Subject: [PATCH 1/9] mips: add support for Siflower SF19A2890

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
---
 arch/mips/Kconfig          | 29 +++++++++++++++++++++++++++++
 arch/mips/generic/Platform |  1 +
 2 files changed, 30 insertions(+)

--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -861,6 +861,35 @@ config SIBYTE_BIGSUR
 	select ZONE_DMA32 if 64BIT
 	select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
 
+config MACH_SIFLOWER_MIPS
+	bool "Siflower MIPS SoCs"
+	select MIPS_GENERIC
+	select ARM_AMBA
+	select BOOT_RAW
+	select CEVT_R4K
+	select CLKSRC_MIPS_GIC
+	select COMMON_CLK
+	select CPU_MIPSR2_IRQ_EI
+	select CPU_MIPSR2_IRQ_VI
+	select CSRC_R4K
+	select DMA_NONCOHERENT
+	select IRQ_MIPS_CPU
+	select MIPS_CPU_SCACHE
+	select MIPS_GIC
+	select MIPS_L1_CACHE_SHIFT_5
+	select NO_EXCEPT_FILL
+	select SMP_UP if SMP
+	select SYS_HAS_CPU_MIPS32_R2
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_MIPS16
+	select SYS_SUPPORTS_MIPS_CPS
+	select SYS_SUPPORTS_MULTITHREADING
+	select USE_OF
+	help
+	  Select this to build a kernel which supports SoCs from Siflower
+	  with MIPS InterAptiv cores, like Siflower SF19A2890.
+
 config SNI_RM
 	bool "SNI RM200/300/400"
 	select ARC_MEMORY
--- a/arch/mips/generic/Platform
+++ b/arch/mips/generic/Platform
@@ -10,6 +10,7 @@
 
 # Note: order matters, keep the asm/mach-generic include last.
 cflags-$(CONFIG_MACH_INGENIC_SOC)	+= -I$(srctree)/arch/mips/include/asm/mach-ingenic
+cflags-$(CONFIG_MACH_SIFLOWER_MIPS)	+= -I$(srctree)/arch/mips/include/asm/mach-siflower
 cflags-$(CONFIG_MIPS_GENERIC)	+= -I$(srctree)/arch/mips/include/asm/mach-generic
 
 load-$(CONFIG_MIPS_GENERIC)	+= 0xffffffff80100000
