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Date: Thu, 8 Feb 2024 09:38:20 +0000
From: Jiaxun Yang <jiaxun.yang@...goat.com>
To: Gregory CLEMENT <gregory.clement@...tlin.com>,
Paul Burton <paulburton@...nel.org>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>, linux-mips@...r.kernel.org,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>,
Tawfik Bayouk <tawfik.bayouk@...ileye.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Théo Lebrun <theo.lebrun@...tlin.com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v7 13/14] MIPS: Add support for Mobileye EyeQ5
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@...tlin.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@...goat.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@...s.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
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