bcm27xx: add support for linux v5.15

Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

target/linux/bcm27xx/Makefile

@@ -12,6 +12,7 @@ FEATURES:=audio boot-part display ext4 fpu gpio rootfs-part rtc squashfs usb usb
 SUBTARGETS:=bcm2708 bcm2709 bcm2710 bcm2711
 
 KERNEL_PATCHVER=5.10
+KERNEL_TESTING_PATCHVER:=5.15
 
 define Target/Description
 	Build firmware image for Broadcom BCM27xx SoC devices.

target/linux/bcm27xx/bcm2708/config-5.15

@@ -0,0 +1,367 @@
+# CONFIG_AIO is not set
+CONFIG_ALIGNMENT_TRAP=y
+CONFIG_ARCH_32BIT_OFF_T=y
+CONFIG_ARCH_BCM=y
+CONFIG_ARCH_BCM2835=y
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_ARCH_KEEP_MEMBLOCK=y
+CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
+CONFIG_ARCH_MULTIPLATFORM=y
+CONFIG_ARCH_MULTI_V6=y
+CONFIG_ARCH_MULTI_V6_V7=y
+CONFIG_ARCH_NR_GPIO=0
+CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_ARM=y
+CONFIG_ARM_AMBA=y
+CONFIG_ARM_CPU_SUSPEND=y
+CONFIG_ARM_ERRATA_411920=y
+CONFIG_ARM_HAS_SG_CHAIN=y
+CONFIG_ARM_L1_CACHE_SHIFT=5
+# CONFIG_ARM_MHU_V2 is not set
+CONFIG_ARM_PATCH_PHYS_VIRT=y
+CONFIG_ARM_RASPBERRYPI_CPUFREQ=y
+CONFIG_ARM_THUMB=y
+CONFIG_ARM_TIMER_SP804=y
+CONFIG_ARM_UNWIND=y
+CONFIG_AUTO_ZRELADDR=y
+CONFIG_BCM2708_VCMEM=y
+# CONFIG_BCM2711_THERMAL is not set
+CONFIG_BCM2835_DEVGPIOMEM=y
+CONFIG_BCM2835_FAST_MEMCPY=y
+CONFIG_BCM2835_MBOX=y
+CONFIG_BCM2835_POWER=y
+# CONFIG_BCM2835_SMI is not set
+CONFIG_BCM2835_THERMAL=y
+CONFIG_BCM2835_TIMER=y
+CONFIG_BCM2835_VCHIQ=y
+# CONFIG_BCM2835_VCHIQ_MMAL is not set
+CONFIG_BCM2835_WDT=y
+CONFIG_BCM_VCIO=y
+# CONFIG_BCM_VC_SM_CMA is not set
+CONFIG_BCM_VIDEOCORE=y
+CONFIG_BINFMT_FLAT_ARGVP_ENVP_ON_STACK=y
+# CONFIG_BLK_DEV_INITRD is not set
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_BLK_DEV_SD=y
+CONFIG_BLK_PM=y
+CONFIG_BRCMSTB_L2_IRQ=y
+CONFIG_BRCM_CHAR_DRIVERS=y
+# CONFIG_CACHE_L2X0 is not set
+CONFIG_CLKSRC_MMIO=y
+CONFIG_CLK_BCM2711_DVP=y
+CONFIG_CLK_BCM2835=y
+CONFIG_CLK_RASPBERRYPI=y
+CONFIG_CLONE_BACKWARDS=y
+CONFIG_CMA=y
+CONFIG_CMA_ALIGNMENT=8
+CONFIG_CMA_AREAS=7
+# CONFIG_CMA_DEBUG is not set
+# CONFIG_CMA_DEBUGFS is not set
+CONFIG_CMA_SIZE_MBYTES=5
+# CONFIG_CMA_SIZE_SEL_MAX is not set
+CONFIG_CMA_SIZE_SEL_MBYTES=y
+# CONFIG_CMA_SIZE_SEL_MIN is not set
+# CONFIG_CMA_SIZE_SEL_PERCENTAGE is not set
+# CONFIG_CMA_SYSFS is not set
+CONFIG_COMMON_CLK=y
+CONFIG_COMPAT_32BIT_TIME=y
+CONFIG_CONFIGFS_FS=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_CONTIG_ALLOC=y
+CONFIG_CPUFREQ_DT=y
+CONFIG_CPUFREQ_DT_PLATDEV=y
+CONFIG_CPU_32v6=y
+CONFIG_CPU_32v6K=y
+CONFIG_CPU_ABRT_EV6=y
+CONFIG_CPU_CACHE_V6=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
+CONFIG_CPU_FREQ_GOV_ATTR_SET=y
+CONFIG_CPU_FREQ_GOV_COMMON=y
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
+CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=y
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
+CONFIG_CPU_FREQ_STAT=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_IDLE=y
+CONFIG_CPU_IDLE_GOV_LADDER=y
+CONFIG_CPU_IDLE_GOV_MENU=y
+CONFIG_CPU_PABRT_V6=y
+CONFIG_CPU_PM=y
+CONFIG_CPU_THUMB_CAPABLE=y
+CONFIG_CPU_TLB_V6=y
+CONFIG_CPU_V6K=y
+CONFIG_CRC16=y
+CONFIG_CRYPTO_CRC32=y
+CONFIG_CRYPTO_CRC32C=y
+CONFIG_CRYPTO_RNG2=y
+CONFIG_DCACHE_WORD_ACCESS=y
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S"
+CONFIG_DMABUF_HEAPS=y
+CONFIG_DMABUF_HEAPS_CMA=y
+CONFIG_DMABUF_HEAPS_SYSTEM=y
+CONFIG_DMADEVICES=y
+CONFIG_DMA_BCM2708=y
+CONFIG_DMA_BCM2835=y
+CONFIG_DMA_CMA=y
+CONFIG_DMA_ENGINE=y
+CONFIG_DMA_OF=y
+CONFIG_DMA_OPS=y
+CONFIG_DMA_REMAP=y
+CONFIG_DMA_SHARED_BUFFER=y
+CONFIG_DMA_VIRTUAL_CHANNELS=y
+CONFIG_DNOTIFY=y
+CONFIG_DTC=y
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_EDAC_ATOMIC_SCRUB=y
+CONFIG_EDAC_SUPPORT=y
+CONFIG_EXT4_FS=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_EXT4_FS_SECURITY=y
+CONFIG_F2FS_FS=y
+CONFIG_FB=y
+CONFIG_FB_BCM2708=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+CONFIG_FB_CMDLINE=y
+# CONFIG_FB_RPISENSE is not set
+CONFIG_FB_SIMPLE=y
+CONFIG_FIQ=y
+CONFIG_FIXED_PHY=y
+CONFIG_FIX_EARLYCON_MEM=y
+CONFIG_FONT_8x16=y
+CONFIG_FONT_8x8=y
+CONFIG_FONT_SUPPORT=y
+# CONFIG_FPE_FASTFPE is not set
+# CONFIG_FPE_NWFPE is not set
+CONFIG_FRAMEBUFFER_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
+CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
+CONFIG_FREEZER=y
+CONFIG_FS_IOMAP=y
+CONFIG_FS_MBCACHE=y
+CONFIG_FS_POSIX_ACL=y
+CONFIG_FWNODE_MDIO=y
+CONFIG_FW_CACHE=y
+CONFIG_FW_LOADER_PAGED_BUF=y
+CONFIG_GENERIC_ALLOCATOR=y
+CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_CPU_AUTOPROBE=y
+CONFIG_GENERIC_EARLY_IOREMAP=y
+CONFIG_GENERIC_IDLE_POLL_SETUP=y
+CONFIG_GENERIC_IRQ_CHIP=y
+CONFIG_GENERIC_IRQ_MULTI_HANDLER=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
+CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_GENERIC_PINCONF=y
+CONFIG_GENERIC_PINCTRL_GROUPS=y
+CONFIG_GENERIC_PINMUX_FUNCTIONS=y
+CONFIG_GENERIC_SCHED_CLOCK=y
+CONFIG_GENERIC_SMP_IDLE_THREAD=y
+CONFIG_GENERIC_STRNCPY_FROM_USER=y
+CONFIG_GENERIC_STRNLEN_USER=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIOLIB_IRQCHIP=y
+# CONFIG_GPIO_BCM_VIRT is not set
+CONFIG_GPIO_CDEV=y
+# CONFIG_GPIO_FSM is not set
+CONFIG_GPIO_RASPBERRYPI_EXP=y
+CONFIG_HANDLE_DOMAIN_IRQ=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_HAS_DMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT_MAP=y
+CONFIG_HW_CONSOLE=y
+CONFIG_HW_RANDOM=y
+CONFIG_HW_RANDOM_BCM2835=y
+CONFIG_HZ_FIXED=0
+CONFIG_I2C=y
+# CONFIG_I2C_BCM2708 is not set
+CONFIG_I2C_BOARDINFO=y
+# CONFIG_I2C_BRCMSTB is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_INPUT=y
+CONFIG_INPUT_MOUSEDEV=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+CONFIG_IRQCHIP=y
+CONFIG_IRQ_DOMAIN=y
+CONFIG_IRQ_FORCED_THREADING=y
+CONFIG_IRQ_WORK=y
+CONFIG_JBD2=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_XZ is not set
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_TRIGGER_ACTPWR=y
+CONFIG_LEDS_TRIGGER_INPUT=y
+CONFIG_LIBFDT=y
+CONFIG_LOCK_DEBUGGING_SUPPORT=y
+CONFIG_LOGO=y
+CONFIG_LOGO_LINUX_CLUT224=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+CONFIG_MAC_PARTITION=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_MAILBOX=y
+# CONFIG_MAILBOX_TEST is not set
+CONFIG_MDIO_BUS=y
+CONFIG_MDIO_DEVICE=y
+CONFIG_MDIO_DEVRES=y
+CONFIG_MEMFD_CREATE=y
+CONFIG_MEMORY_ISOLATION=y
+CONFIG_MFD_CORE=y
+# CONFIG_MFD_RASPBERRYPI_POE_HAT is not set
+# CONFIG_MFD_RPISENSE_CORE is not set
+CONFIG_MFD_SYSCON=y
+CONFIG_MIGHT_HAVE_CACHE_L2X0=y
+CONFIG_MIGRATION=y
+CONFIG_MMC=y
+CONFIG_MMC_BCM2835=y
+CONFIG_MMC_BCM2835_DMA=y
+CONFIG_MMC_BCM2835_MMC=y
+CONFIG_MMC_BCM2835_PIO_DMA_BARRIER=2
+CONFIG_MMC_BCM2835_SDHOST=y
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_MINORS=32
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_PLTFM=y
+CONFIG_MODULES_USE_ELF_REL=y
+# CONFIG_MTD is not set
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_NEED_PER_CPU_KM=y
+CONFIG_NET_SELFTESTS=y
+CONFIG_NLS=y
+CONFIG_NLS_ASCII=y
+CONFIG_NOP_USB_XCEIV=y
+CONFIG_NO_HZ=y
+CONFIG_NO_HZ_COMMON=y
+CONFIG_NO_HZ_IDLE=y
+CONFIG_NVMEM=y
+CONFIG_OABI_COMPAT=y
+CONFIG_OF=y
+CONFIG_OF_ADDRESS=y
+CONFIG_OF_CONFIGFS=y
+CONFIG_OF_DYNAMIC=y
+CONFIG_OF_EARLY_FLATTREE=y
+CONFIG_OF_FLATTREE=y
+CONFIG_OF_GPIO=y
+CONFIG_OF_IRQ=y
+CONFIG_OF_KOBJ=y
+CONFIG_OF_MDIO=y
+CONFIG_OF_OVERLAY=y
+CONFIG_OF_RESOLVE=y
+CONFIG_OLD_SIGACTION=y
+CONFIG_OLD_SIGSUSPEND3=y
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PERF_USE_VMALLOC=y
+CONFIG_PGTABLE_LEVELS=2
+CONFIG_PHYLIB=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_BCM2835=y
+CONFIG_PM=y
+CONFIG_PM_CLK=y
+CONFIG_PM_GENERIC_DOMAINS=y
+CONFIG_PM_GENERIC_DOMAINS_OF=y
+CONFIG_PM_GENERIC_DOMAINS_SLEEP=y
+CONFIG_PM_OPP=y
+CONFIG_PM_SLEEP=y
+CONFIG_POWER_SUPPLY=y
+CONFIG_PRINTK_TIME=y
+CONFIG_PTP_1588_CLOCK_OPTIONAL=y
+CONFIG_RASPBERRYPI_FIRMWARE=y
+CONFIG_RASPBERRYPI_POWER=y
+CONFIG_RATIONAL=y
+# CONFIG_RAVE_SP_CORE is not set
+CONFIG_REGMAP=y
+CONFIG_REGMAP_MMIO=y
+CONFIG_REGULATOR=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
+CONFIG_RESET_CONTROLLER=y
+# CONFIG_RESET_RASPBERRYPI is not set
+CONFIG_RESET_SIMPLE=y
+# CONFIG_RPIVID_MEM is not set
+# CONFIG_RPI_POE_POWER is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_COMMON=y
+# CONFIG_SCSI_LOWLEVEL is not set
+# CONFIG_SCSI_PROC_FS is not set
+CONFIG_SERIAL_8250_BCM2835AUX=y
+# CONFIG_SERIAL_8250_DMA is not set
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_FSL=y
+CONFIG_SERIAL_8250_NR_UARTS=1
+CONFIG_SERIAL_8250_RUNTIME_UARTS=0
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+CONFIG_SERIAL_AMBA_PL011=y
+CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
+CONFIG_SERIAL_DEV_BUS=y
+# CONFIG_SERIAL_DEV_CTRL_TTYPORT is not set
+CONFIG_SERIAL_MCTRL_GPIO=y
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_SG_POOL=y
+CONFIG_SMSC_PHY=y
+CONFIG_SPARSE_IRQ=y
+CONFIG_SRCU=y
+# CONFIG_STRIP_ASM_SYMS is not set
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+CONFIG_SWPHY=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+# CONFIG_TEXTSEARCH is not set
+CONFIG_THERMAL=y
+CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE=y
+CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS=0
+CONFIG_THERMAL_GOV_STEP_WISE=y
+CONFIG_THERMAL_OF=y
+CONFIG_TICK_CPU_ACCOUNTING=y
+CONFIG_TIMER_OF=y
+CONFIG_TIMER_PROBE=y
+CONFIG_TINY_SRCU=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_UEVENT_HELPER_PATH=""
+# CONFIG_UID16 is not set
+CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
+CONFIG_UNWINDER_ARM=y
+CONFIG_USB=y
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
+CONFIG_USB_COMMON=y
+CONFIG_USB_DWCOTG=y
+CONFIG_USB_NET_DRIVERS=y
+CONFIG_USB_NET_SMSC95XX=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_UAS=y
+CONFIG_USB_USBNET=y
+CONFIG_USE_OF=y
+CONFIG_VCHIQ_CDEV=y
+CONFIG_VFP=y
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_VT_CONSOLE_SLEEP=y
+CONFIG_VT_HW_CONSOLE_BINDING=y
+CONFIG_WATCHDOG_CORE=y
+CONFIG_XZ_DEC_ARM=y
+CONFIG_XZ_DEC_BCJ=y
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_ZBOOT_ROM_TEXT=0x0