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SubjectRe: [PATCH v2 07/20] mips: Add MIPS Warrior P5600 support
On Wed, May 06, 2020 at 08:42:25PM +0300, Sergey.Semin@baikalelectronics.ru wrote:
>
> +config CPU_P5600
> + bool "MIPS Warrior P5600"
> + depends on SYS_HAS_CPU_P5600
> + select CPU_HAS_PREFETCH
> + select CPU_SUPPORTS_32BIT_KERNEL
> + select CPU_SUPPORTS_HIGHMEM
> + select CPU_SUPPORTS_MSA
> + select CPU_SUPPORTS_UNCACHED_ACCELERATED
> + select CPU_SUPPORTS_CPUFREQ
> + select CPU_MIPSR2_IRQ_VI
> + select CPU_MIPSR2_IRQ_EI
> + select HAVE_KVM
> + select MIPS_O32_FP64_SUPPORT
> + help
> + Choose this option to build a kernel for MIPS Warrior P5600 CPU.
> + It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
> + MMU with two-levels TLB, UCA, MSA, MDU core level features and system
> + level features like up to six P5600 calculation cores, CM2 with L2
> + cache, IOCU/IOMMU (though might be unused depending on the system-
> + specific IP core configuration), GIC, CPC, virtualisation module,
> + eJTAG and PDtrace.
> +
> config CPU_R3000
> bool "R3000"
> depends on SYS_HAS_CPU_R3000
> @@ -1841,7 +1863,8 @@ endchoice
> config CPU_MIPS32_3_5_FEATURES
> bool "MIPS32 Release 3.5 Features"
> depends on SYS_HAS_CPU_MIPS32_R3_5
> - depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6
> + depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
> + CPU_P5600
> help
> Choose this option to build a kernel for release 2 or later of the
> MIPS32 architecture including features from the 3.5 release such as
> @@ -1861,7 +1884,7 @@ config CPU_MIPS32_3_5_EVA
> config CPU_MIPS32_R5_FEATURES
> bool "MIPS32 Release 5 Features"
> depends on SYS_HAS_CPU_MIPS32_R5
> - depends on CPU_MIPS32_R2 || CPU_MIPS32_R5
> + depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
> help
> Choose this option to build a kernel for release 2 or later of the
> MIPS32 architecture including features from release 5 such as
> @@ -2016,6 +2039,10 @@ config SYS_HAS_CPU_MIPS64_R6
> bool
> select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
>
> +config SYS_HAS_CPU_P5600
> + bool
> + select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
> +

P5600 is CPU_MIPS_R5 so can't you select it here and drop all the || CPU_5600
above/below ?

Thomas.

--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]

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