MIPS: Add support for Mobileye EyeQ5

Introduce support for the MIPS based Mobileye EyeQ5 SoCs.

Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

diff --git a/arch/mips/Kbuild.platforms b/arch/mips/Kbuild.platforms
index a2311c4bce6a6ac17044b6a1d3ea29782abf5395..5c145b67d3bf435df52852ff68756033286ed607 100644 (file)
--- 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 04765463980a734d755d56379ab8fa915b14e6d6..aa9b0ac649f646a3edd320097c98c52193064a7a 100644 (file)
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -571,6 +571,59 @@ 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 (file)
index 0000000..c35c29a
--- /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 (file)
index 0000000..315c06b
--- /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 (file)
index 0000000..c69f811
--- /dev/null
+++ b/arch/mips/mobileye/Platform
@@ -0,0 +1,15 @@
+#
+# 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 (file)
index 0000000..08e8c4f
--- /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 (file)
index 0000000..3e25467
--- /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";
+               };
+       };
+};