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Date: Thu, 8 Feb 2024 09:38:20 +0000
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Subject: Re: [PATCH v7 13/14] MIPS: Add support for Mobileye EyeQ5
Content-Language: en-US
To: Gregory CLEMENT <gregory.clement@bootlin.com>,
 Paul Burton <paulburton@kernel.org>,
 Thomas Bogendoerfer <tsbogend@alpha.franken.de>, linux-mips@vger.kernel.org,
 Rob Herring <robh+dt@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>,
 Tawfik Bayouk <tawfik.bayouk@mobileye.com>,
 Alexandre Belloni <alexandre.belloni@bootlin.com>,
 =?UTF-8?Q?Th=C3=A9o_Lebrun?= <theo.lebrun@bootlin.com>,
 Thomas Petazzoni <thomas.petazzoni@bootlin.com>
References: <20240205153503.574468-1-gregory.clement@bootlin.com>
 <20240205153503.574468-14-gregory.clement@bootlin.com>
From: Jiaxun Yang <jiaxun.yang@flygoat.com>
Autocrypt: addr=jiaxun.yang@flygoat.com;
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In-Reply-To: <20240205153503.574468-14-gregory.clement@bootlin.com>
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在 2024/2/5 15:34, Gregory CLEMENT 写道:
> Introduce support for the MIPS based Mobileye EyeQ5 SoCs.
>
> Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>

Thanks!
- Jiaxun
> ---
>   arch/mips/Kbuild.platforms          |   1 +
>   arch/mips/Kconfig                   |  54 ++++++++++++++
>   arch/mips/configs/eyeq5_defconfig   | 108 ++++++++++++++++++++++++++++
>   arch/mips/mobileye/Makefile         |   1 +
>   arch/mips/mobileye/Platform         |  16 +++++
>   arch/mips/mobileye/board-epm5.its.S |  24 +++++++
>   arch/mips/mobileye/vmlinux.its.S    |  32 +++++++++
>   7 files changed, 236 insertions(+)
>   create mode 100644 arch/mips/configs/eyeq5_defconfig
>   create mode 100644 arch/mips/mobileye/Makefile
>   create mode 100644 arch/mips/mobileye/Platform
>   create mode 100644 arch/mips/mobileye/board-epm5.its.S
>   create mode 100644 arch/mips/mobileye/vmlinux.its.S
>
> diff --git a/arch/mips/Kbuild.platforms b/arch/mips/Kbuild.platforms
> index a2311c4bce6a6..5c145b67d3bf4 100644
> --- a/arch/mips/Kbuild.platforms
> +++ b/arch/mips/Kbuild.platforms
> @@ -17,6 +17,7 @@ platform-$(CONFIG_MACH_LOONGSON2EF)	+= loongson2ef/
>   platform-$(CONFIG_MACH_LOONGSON32)	+= loongson32/
>   platform-$(CONFIG_MACH_LOONGSON64)	+= loongson64/
>   platform-$(CONFIG_MIPS_MALTA)		+= mti-malta/
> +platform-$(CONFIG_MACH_EYEQ5)		+= mobileye/
>   platform-$(CONFIG_MACH_NINTENDO64)	+= n64/
>   platform-$(CONFIG_PIC32MZDA)		+= pic32/
>   platform-$(CONFIG_RALINK)		+= ralink/
> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> index 5549d26448941..a40eb9ecb50d5 100644
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -569,6 +569,60 @@ config MACH_PIC32
>   	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
>   	  microcontrollers.
>   
> +config MACH_EYEQ5
> +	bool "Mobileye EyeQ5 SoC"
> +	select MACH_GENERIC_CORE
> +	select ARM_AMBA
> +	select PHYSICAL_START_BOOL
> +	select ARCH_SPARSEMEM_DEFAULT if 64BIT
> +	select BOOT_RAW
> +	select BUILTIN_DTB
> +	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 HAVE_PCI
> +	select IRQ_MIPS_CPU
> +	select MIPS_AUTO_PFN_OFFSET
> +	select MIPS_CPU_SCACHE
> +	select MIPS_GIC
> +	select MIPS_L1_CACHE_SHIFT_7
> +	select PCI_DRIVERS_GENERIC
> +	select SMP_UP if SMP
> +	select SWAP_IO_SPACE
> +	select SYS_HAS_CPU_MIPS64_R6
> +	select SYS_SUPPORTS_64BIT_KERNEL
> +	select SYS_SUPPORTS_HIGHMEM
> +	select SYS_SUPPORTS_LITTLE_ENDIAN
> +	select SYS_SUPPORTS_MIPS_CPS
> +	select SYS_SUPPORTS_RELOCATABLE
> +	select SYS_SUPPORTS_ZBOOT
> +	select UHI_BOOT
> +	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
> +	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
> +	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
> +	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
> +	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
> +	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
> +	select USE_OF
> +	help
> +	  Select this to build a kernel supporting EyeQ5 SoC from Mobileye.
> +
> +	bool
> +
> +config FIT_IMAGE_FDT_EPM5
> +	bool "Include FDT for Mobileye EyeQ5 development platforms"
> +	depends on MACH_EYEQ5
> +	default n
> +	help
> +	  Enable this to include the FDT for the EyeQ5 development platforms
> +	  from Mobileye in the FIT kernel image.
> +	  This requires u-boot on the platform.
> +
> +
>   config MACH_NINTENDO64
>   	bool "Nintendo 64 console"
>   	select CEVT_R4K
> diff --git a/arch/mips/configs/eyeq5_defconfig b/arch/mips/configs/eyeq5_defconfig
> new file mode 100644
> index 0000000000000..c35c29a4d4795
> --- /dev/null
> +++ b/arch/mips/configs/eyeq5_defconfig
> @@ -0,0 +1,108 @@
> +CONFIG_SYSVIPC=y
> +CONFIG_NO_HZ_IDLE=y
> +CONFIG_HIGH_RES_TIMERS=y
> +CONFIG_BPF_SYSCALL=y
> +CONFIG_TASKSTATS=y
> +CONFIG_IKCONFIG=y
> +CONFIG_IKCONFIG_PROC=y
> +CONFIG_MEMCG=y
> +CONFIG_BLK_CGROUP=y
> +CONFIG_CFS_BANDWIDTH=y
> +CONFIG_RT_GROUP_SCHED=y
> +CONFIG_CGROUP_PIDS=y
> +CONFIG_CGROUP_FREEZER=y
> +CONFIG_CPUSETS=y
> +CONFIG_CGROUP_DEVICE=y
> +CONFIG_CGROUP_CPUACCT=y
> +CONFIG_NAMESPACES=y
> +CONFIG_USER_NS=y
> +CONFIG_SCHED_AUTOGROUP=y
> +CONFIG_BLK_DEV_INITRD=y
> +CONFIG_EXPERT=y
> +CONFIG_MACH_EYEQ5=y
> +CONFIG_FIT_IMAGE_FDT_EPM5=y
> +CONFIG_PAGE_SIZE_16KB=y
> +CONFIG_MIPS_CPS=y
> +CONFIG_CPU_HAS_MSA=y
> +CONFIG_NR_CPUS=16
> +CONFIG_MIPS_RAW_APPENDED_DTB=y
> +CONFIG_JUMP_LABEL=y
> +CONFIG_COMPAT_32BIT_TIME=y
> +CONFIG_MODULES=y
> +CONFIG_MODULE_UNLOAD=y
> +CONFIG_TRIM_UNUSED_KSYMS=y
> +# CONFIG_COMPAT_BRK is not set
> +CONFIG_SPARSEMEM_MANUAL=y
> +CONFIG_USERFAULTFD=y
> +CONFIG_NET=y
> +CONFIG_PACKET=y
> +CONFIG_UNIX=y
> +CONFIG_NET_KEY=y
> +CONFIG_INET=y
> +CONFIG_IP_PNP=y
> +CONFIG_IP_PNP_DHCP=y
> +CONFIG_NETFILTER=y
> +CONFIG_CAN=y
> +CONFIG_PCI=y
> +CONFIG_PCI_MSI=y
> +CONFIG_PCI_DEBUG=y
> +CONFIG_PCI_ENDPOINT=y
> +CONFIG_DEVTMPFS=y
> +CONFIG_DEVTMPFS_MOUNT=y
> +CONFIG_CONNECTOR=y
> +CONFIG_MTD=y
> +CONFIG_MTD_UBI=y
> +CONFIG_MTD_UBI_BLOCK=y
> +CONFIG_SCSI=y
> +CONFIG_NETDEVICES=y
> +CONFIG_MACVLAN=y
> +CONFIG_IPVLAN=y
> +CONFIG_MACB=y
> +CONFIG_MARVELL_PHY=y
> +CONFIG_MICREL_PHY=y
> +CONFIG_CAN_M_CAN=y
> +CONFIG_SERIAL_AMBA_PL011=y
> +CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
> +CONFIG_HW_RANDOM=y
> +# CONFIG_PTP_1588_CLOCK is not set
> +CONFIG_PINCTRL=y
> +CONFIG_MFD_SYSCON=y
> +CONFIG_HID_A4TECH=y
> +CONFIG_HID_BELKIN=y
> +CONFIG_HID_CHERRY=y
> +CONFIG_HID_CYPRESS=y
> +CONFIG_HID_EZKEY=y
> +CONFIG_HID_ITE=y
> +CONFIG_HID_KENSINGTON=y
> +CONFIG_HID_REDRAGON=y
> +CONFIG_HID_MICROSOFT=y
> +CONFIG_HID_MONTEREY=y
> +CONFIG_MMC=y
> +CONFIG_MMC_SDHCI=y
> +# CONFIG_IOMMU_SUPPORT is not set
> +CONFIG_RESET_CONTROLLER=y
> +# CONFIG_NVMEM is not set
> +CONFIG_EXT4_FS=y
> +CONFIG_EXT4_FS_POSIX_ACL=y
> +CONFIG_EXT4_FS_SECURITY=y
> +CONFIG_FS_ENCRYPTION=y
> +CONFIG_FUSE_FS=y
> +CONFIG_CUSE=y
> +CONFIG_MSDOS_FS=y
> +CONFIG_VFAT_FS=y
> +CONFIG_TMPFS=y
> +CONFIG_TMPFS_POSIX_ACL=y
> +CONFIG_UBIFS_FS=y
> +CONFIG_NFS_FS=y
> +CONFIG_NFS_V3_ACL=y
> +CONFIG_NFS_V4=y
> +CONFIG_NFS_V4_1=y
> +CONFIG_NFS_V4_2=y
> +CONFIG_ROOT_NFS=y
> +CONFIG_CRYPTO_CRC32_MIPS=y
> +CONFIG_FRAME_WARN=1024
> +CONFIG_DEBUG_FS=y
> +# CONFIG_RCU_TRACE is not set
> +# CONFIG_FTRACE is not set
> +CONFIG_CMDLINE_BOOL=y
> +CONFIG_CMDLINE="earlycon"
> diff --git a/arch/mips/mobileye/Makefile b/arch/mips/mobileye/Makefile
> new file mode 100644
> index 0000000000000..315c06b689cfb
> --- /dev/null
> +++ b/arch/mips/mobileye/Makefile
> @@ -0,0 +1 @@
> +# SPDX-License-Identifier: GPL-2.0-or-later
> diff --git a/arch/mips/mobileye/Platform b/arch/mips/mobileye/Platform
> new file mode 100644
> index 0000000000000..43b6f4644592f
> --- /dev/null
> +++ b/arch/mips/mobileye/Platform
> @@ -0,0 +1,16 @@
> +#
> +# Copyright (C) 2016 Imagination Technologies
> +# Author: Paul Burton <paul.burton@mips.com>
> +#
> +# This program is free software; you can redistribute it and/or modify it
> +# under the terms of the GNU General Public License as published by the
> +# Free Software Foundation;  either version 2 of the  License, or (at your
> +# option) any later version.
> +#
> +
> +load-$(CONFIG_MACH_EYEQ5)	= 0xa800000808000000
> +all-$(CONFIG_MACH_EYEQ5)	+= vmlinux.gz.itb
> +
> +its-y					:= vmlinux.its.S
> +its-$(CONFIG_FIT_IMAGE_FDT_EPM5)	+= board-epm5.its.S
> +
> diff --git a/arch/mips/mobileye/board-epm5.its.S b/arch/mips/mobileye/board-epm5.its.S
> new file mode 100644
> index 0000000000000..08e8c4f183d63
> --- /dev/null
> +++ b/arch/mips/mobileye/board-epm5.its.S
> @@ -0,0 +1,24 @@
> +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
> +/ {
> +	images {
> +		fdt-mobileye-epm5 {
> +			description = "Mobileeye MP5 Device Tree";
> +			data = /incbin/("boot/dts/mobileye/eyeq5-epm5.dtb");
> +			type = "flat_dt";
> +			arch = "mips";
> +			compression = "none";
> +			hash {
> +				algo = "sha1";
> +			};
> +		};
> +	};
> +
> +    configurations {
> +		default = "conf-1";
> +		conf-1 {
> +			description = "Mobileye EPM5 Linux kernel";
> +			kernel = "kernel";
> +			fdt = "fdt-mobileye-epm5";
> +		};
> +	};
> +};
> diff --git a/arch/mips/mobileye/vmlinux.its.S b/arch/mips/mobileye/vmlinux.its.S
> new file mode 100644
> index 0000000000000..3e254676540f4
> --- /dev/null
> +++ b/arch/mips/mobileye/vmlinux.its.S
> @@ -0,0 +1,32 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/dts-v1/;
> +
> +/ {
> +	description = KERNEL_NAME;
> +	#address-cells = <ADDR_CELLS>;
> +
> +	images {
> +		kernel {
> +			description = KERNEL_NAME;
> +			data = /incbin/(VMLINUX_BINARY);
> +			type = "kernel";
> +			arch = "mips";
> +			os = "linux";
> +			compression = VMLINUX_COMPRESSION;
> +			load = /bits/ ADDR_BITS <VMLINUX_LOAD_ADDRESS>;
> +			entry = /bits/ ADDR_BITS <VMLINUX_ENTRY_ADDRESS>;
> +			hash {
> +				algo = "sha1";
> +			};
> +		};
> +	};
> +
> +	configurations {
> +		default = "conf-default";
> +
> +		conf-default {
> +			description = "Generic Linux kernel";
> +			kernel = "kernel";
> +		};
> +	};
> +};

-- 
---
Jiaxun Yang