bmips: add subtargets for each SoC

BMIPS is a generic arch that can be used for multiple Broadcom SoCs, each one
with its own specific drivers, so instead of having a huge kernel supporting
all of them, let's switch to a subtarget per SoC like other OpenWrt targets.

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

5 files changed, 347 insertions, 0 deletions

diff --git a/target/linux/bmips/bcm6328/base-files/etc/board.d/02_network b/target/linux/bmips/bcm6328/base-files/etc/board.d/02_network
new file mode 100644
index 0000000000..792926fcf2
--- /dev/null
+++ b/target/linux/bmips/bcm6328/base-files/etc/board.d/02_network
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+. /lib/functions/uci-defaults.sh
+
+board_config_update
+
+case "$(board_name)" in
+comtrend,ar-5387un)
+	ucidef_set_bridge_device switch
+	ucidef_set_interface_lan "lan1 lan2 lan3 lan4"
+	;;
+esac
+
+board_config_flush
+
+exit 0
diff --git a/target/linux/bmips/bcm6328/base-files/etc/uci-defaults/09_fix_crc b/target/linux/bmips/bcm6328/base-files/etc/uci-defaults/09_fix_crc
new file mode 100644
index 0000000000..3909947be6
--- /dev/null
+++ b/target/linux/bmips/bcm6328/base-files/etc/uci-defaults/09_fix_crc
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+. /lib/functions.sh
+
+case "$(board_name)" in
+comtrend,ar-5387un)
+	mtd fixtrx firmware
+	;;
+esac
+
+exit 0
diff --git a/target/linux/bmips/bcm6328/base-files/lib/upgrade/platform.sh b/target/linux/bmips/bcm6328/base-files/lib/upgrade/platform.sh
new file mode 100644
index 0000000000..eb1d7fd0e5
--- /dev/null
+++ b/target/linux/bmips/bcm6328/base-files/lib/upgrade/platform.sh
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+. /lib/upgrade/cfe-jffs2-nand.sh
+
+PART_NAME=firmware
+REQUIRE_IMAGE_METADATA=1
+
+platform_check_image() {
+	return 0
+}
+
+platform_do_upgrade() {
+	case "$(board_name)" in
+	*)
+		default_do_upgrade "$1"
+		;;
+	esac
+}
diff --git a/target/linux/bmips/bcm6328/config-5.15 b/target/linux/bmips/bcm6328/config-5.15
new file mode 100644
index 0000000000..ea9898782a
--- /dev/null
+++ b/target/linux/bmips/bcm6328/config-5.15
@@ -0,0 +1,293 @@
+CONFIG_ARCH_32BIT_OFF_T=y
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_ARCH_KEEP_MEMBLOCK=y
+CONFIG_ARCH_MMAP_RND_BITS_MAX=15
+CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=15
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_B53=y
+CONFIG_B53_MDIO_DRIVER=y
+CONFIG_B53_MMAP_DRIVER=y
+CONFIG_B53_SPI_DRIVER=y
+CONFIG_BCM6345_EXT_IRQ=y
+CONFIG_BCM6345_L1_IRQ=y
+# CONFIG_BCM6348_ENET is not set
+CONFIG_BCM6368_ENETSW=y
+CONFIG_BCM63XX_POWER=y
+CONFIG_BCM7038_WDT=y
+CONFIG_BCMA=y
+CONFIG_BCMA_BLOCKIO=y
+# CONFIG_BCMA_DEBUG is not set
+# CONFIG_BCMA_DRIVER_GMAC_CMN is not set
+# CONFIG_BCMA_DRIVER_MIPS is not set
+CONFIG_BCMA_DRIVER_PCI=y
+# CONFIG_BCMA_DRIVER_PCI_HOSTMODE is not set
+CONFIG_BCMA_HOST_PCI=y
+CONFIG_BCMA_HOST_PCI_POSSIBLE=y
+# CONFIG_BCMA_HOST_SOC is not set
+CONFIG_BLK_MQ_PCI=y
+CONFIG_BLK_PM=y
+CONFIG_BMIPS_GENERIC=y
+CONFIG_CEVT_R4K=y
+# CONFIG_CLK_BCM63268_TIMER is not set
+CONFIG_CLK_BCM_63XX_GATE=y
+CONFIG_CLONE_BACKWARDS=y
+CONFIG_COMMON_CLK=y
+CONFIG_COMPAT_32BIT_TIME=y
+CONFIG_CPU_BIG_ENDIAN=y
+CONFIG_CPU_BMIPS=y
+CONFIG_CPU_BMIPS32_3300=y
+CONFIG_CPU_BMIPS4350=y
+CONFIG_CPU_BMIPS4380=y
+CONFIG_CPU_GENERIC_DUMP_TLB=y
+CONFIG_CPU_HAS_PREFETCH=y
+CONFIG_CPU_HAS_RIXI=y
+CONFIG_CPU_HAS_SYNC=y
+CONFIG_CPU_MIPS32=y
+CONFIG_CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS=y
+CONFIG_CPU_NO_EFFICIENT_FFS=y
+CONFIG_CPU_R4K_CACHE_TLB=y
+CONFIG_CPU_RMAP=y
+CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_CPU_SUPPORTS_CPUFREQ=y
+CONFIG_CPU_SUPPORTS_HIGHMEM=y
+CONFIG_CRASH_DUMP=y
+CONFIG_CRC16=y
+CONFIG_CRYPTO_DEFLATE=y
+CONFIG_CRYPTO_HASH_INFO=y
+CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC=y
+CONFIG_CRYPTO_LIB_POLY1305_RSIZE=2
+CONFIG_CRYPTO_LZO=y
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_ZSTD=y
+CONFIG_CSRC_R4K=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DMA_NONCOHERENT=y
+CONFIG_DTC=y
+# CONFIG_DT_BCM93384WVG is not set
+# CONFIG_DT_BCM93384WVG_VIPER is not set
+# CONFIG_DT_BCM96368MVWG is not set
+# CONFIG_DT_BCM97125CBMB is not set
+# CONFIG_DT_BCM97346DBSMB is not set
+# CONFIG_DT_BCM97358SVMB is not set
+# CONFIG_DT_BCM97360SVMB is not set
+# CONFIG_DT_BCM97362SVMB is not set
+# CONFIG_DT_BCM97420C is not set
+# CONFIG_DT_BCM97425SVMB is not set
+# CONFIG_DT_BCM97435SVMB is not set
+# CONFIG_DT_BCM9EJTAGPRB is not set
+# CONFIG_DT_COMTREND_VR3032U is not set
+# CONFIG_DT_NETGEAR_CVG834G is not set
+CONFIG_DT_NONE=y
+# CONFIG_DT_SFR_NEUFBOX4_SERCOMM is not set
+# CONFIG_DT_SFR_NEUFBOX6_SERCOMM is not set
+CONFIG_FIXED_PHY=y
+CONFIG_FWNODE_MDIO=y
+CONFIG_FW_LOADER_PAGED_BUF=y
+CONFIG_GENERIC_ATOMIC64=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_CMOS_UPDATE=y
+CONFIG_GENERIC_CPU_AUTOPROBE=y
+CONFIG_GENERIC_FIND_FIRST_BIT=y
+CONFIG_GENERIC_GETTIMEOFDAY=y
+CONFIG_GENERIC_IOMAP=y
+CONFIG_GENERIC_IRQ_CHIP=y
+CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_GENERIC_LIB_ASHLDI3=y
+CONFIG_GENERIC_LIB_ASHRDI3=y
+CONFIG_GENERIC_LIB_CMPDI2=y
+CONFIG_GENERIC_LIB_LSHRDI3=y
+CONFIG_GENERIC_LIB_UCMPDI2=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_GENERIC_PHY=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_TIME_VSYSCALL=y
+# CONFIG_GPIO_BRCMSTB is not set
+CONFIG_GPIO_CDEV=y
+CONFIG_GPIO_GENERIC=y
+CONFIG_GPIO_GENERIC_PLATFORM=y
+CONFIG_GPIO_REGMAP=y
+CONFIG_GRO_CELLS=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_HZ_PERIODIC=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_IRQCHIP=y
+CONFIG_IRQ_DOMAIN=y
+CONFIG_IRQ_FORCED_THREADING=y
+CONFIG_IRQ_MIPS_CPU=y
+CONFIG_IRQ_WORK=y
+# CONFIG_LEDS_SERCOMM_MSP430 is not set
+CONFIG_LIBFDT=y
+CONFIG_LOCK_DEBUGGING_SUPPORT=y
+CONFIG_LZO_COMPRESS=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_MDIO_BUS=y
+CONFIG_MDIO_BUS_MUX=y
+CONFIG_MDIO_BUS_MUX_BCM6368=y
+CONFIG_MDIO_DEVICE=y
+CONFIG_MDIO_DEVRES=y
+CONFIG_MEMFD_CREATE=y
+CONFIG_MFD_SYSCON=y
+CONFIG_MIGRATION=y
+CONFIG_MIPS=y
+CONFIG_MIPS_ASID_BITS=8
+CONFIG_MIPS_ASID_SHIFT=0
+CONFIG_MIPS_CLOCK_VSYSCALL=y
+# CONFIG_MIPS_CMDLINE_FROM_BOOTLOADER is not set
+CONFIG_MIPS_CMDLINE_FROM_DTB=y
+CONFIG_MIPS_EBPF_JIT=y
+CONFIG_MIPS_EXTERNAL_TIMER=y
+CONFIG_MIPS_L1_CACHE_SHIFT=6
+CONFIG_MIPS_L1_CACHE_SHIFT_4=y
+CONFIG_MIPS_L1_CACHE_SHIFT_6=y
+CONFIG_MIPS_LD_CAN_LINK_VDSO=y
+# CONFIG_MIPS_NO_APPENDED_DTB is not set
+CONFIG_MIPS_NR_CPU_NR_MAP=2
+CONFIG_MIPS_O32_FP64_SUPPORT=y
+CONFIG_MIPS_RAW_APPENDED_DTB=y
+CONFIG_MODULES_USE_ELF_REL=y
+CONFIG_MODULE_FORCE_LOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+# CONFIG_MTD_BCM63XX_PARTS is not set
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_BE_BYTE_SWAP=y
+# CONFIG_MTD_CFI_GEOMETRY is not set
+# CONFIG_MTD_CFI_NOSWAP is not set
+CONFIG_MTD_CFI_STAA=y
+CONFIG_MTD_JEDECPROBE=y
+CONFIG_MTD_NAND_BRCMNAND=y
+CONFIG_MTD_NAND_CORE=y
+CONFIG_MTD_NAND_ECC=y
+CONFIG_MTD_NAND_ECC_SW_HAMMING=y
+# CONFIG_MTD_PARSER_IMAGETAG is not set
+CONFIG_MTD_RAW_NAND=y
+CONFIG_MTD_SPI_NOR=y
+CONFIG_MTD_SPLIT_BCM63XX_FW=y
+CONFIG_MTD_SPLIT_BCM_WFI_FW=y
+CONFIG_MTD_UBI=y
+CONFIG_MTD_UBI_BEB_LIMIT=20
+CONFIG_MTD_UBI_BLOCK=y
+CONFIG_MTD_UBI_WL_THRESHOLD=4096
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_NET_DEVLINK=y
+CONFIG_NET_DSA=y
+CONFIG_NET_DSA_TAG_BRCM=y
+CONFIG_NET_DSA_TAG_BRCM_COMMON=y
+CONFIG_NET_DSA_TAG_BRCM_LEGACY=y
+CONFIG_NET_DSA_TAG_BRCM_PREPEND=y
+CONFIG_NET_FLOW_LIMIT=y
+CONFIG_NET_SELFTESTS=y
+CONFIG_NET_SWITCHDEV=y
+CONFIG_NO_EXCEPT_FILL=y
+CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y
+CONFIG_NR_CPUS=2
+CONFIG_NVMEM=y
+CONFIG_OF=y
+CONFIG_OF_ADDRESS=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_PADATA=y
+CONFIG_PCI=y
+CONFIG_PCIEPORTBUS=y
+# CONFIG_PCIE_BCM6318 is not set
+CONFIG_PCIE_BCM6328=y
+CONFIG_PCIE_PME=y
+CONFIG_PCI_BCM6348=y
+CONFIG_PCI_DOMAINS=y
+CONFIG_PCI_DRIVERS_LEGACY=y
+CONFIG_PERF_USE_VMALLOC=y
+CONFIG_PGTABLE_LEVELS=2
+CONFIG_PHYLIB=y
+CONFIG_PHYLINK=y
+CONFIG_PHYSICAL_START=0x80010000
+CONFIG_PHY_BCM63XX_USBH=y
+# CONFIG_PHY_BRCM_SATA is not set
+CONFIG_PINCTRL=y
+# CONFIG_PINCTRL_BCM6318 is not set
+# CONFIG_PINCTRL_BCM63268 is not set
+CONFIG_PINCTRL_BCM6328=y
+# CONFIG_PINCTRL_BCM6358 is not set
+# CONFIG_PINCTRL_BCM6362 is not set
+# CONFIG_PINCTRL_BCM6368 is not set
+CONFIG_PINCTRL_BCM63XX=y
+CONFIG_PM=y
+CONFIG_PM_CLK=y
+CONFIG_PM_GENERIC_DOMAINS=y
+CONFIG_PM_GENERIC_DOMAINS_OF=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_POSIX_MQUEUE_SYSCTL=y
+CONFIG_POWER_RESET=y
+CONFIG_POWER_RESET_SYSCON=y
+CONFIG_POWER_SUPPLY=y
+CONFIG_PROC_VMCORE=y
+CONFIG_PTP_1588_CLOCK_OPTIONAL=y
+CONFIG_QUEUED_RWLOCKS=y
+CONFIG_QUEUED_SPINLOCKS=y
+CONFIG_RATIONAL=y
+CONFIG_REGMAP=y
+CONFIG_REGMAP_MMIO=y
+CONFIG_RELAY=y
+CONFIG_RESET_BCM6345=y
+CONFIG_RESET_CONTROLLER=y
+CONFIG_RFS_ACCEL=y
+CONFIG_RPS=y
+# CONFIG_SERIAL_8250 is not set
+CONFIG_SERIAL_BCM63XX=y
+CONFIG_SERIAL_BCM63XX_CONSOLE=y
+CONFIG_SGL_ALLOC=y
+CONFIG_SMP=y
+CONFIG_SMP_UP=y
+CONFIG_SOCK_RX_QUEUE_MAPPING=y
+CONFIG_SOC_BCM63XX=y
+CONFIG_SPI=y
+# CONFIG_SPI_BCM63XX is not set
+CONFIG_SPI_BCM63XX_HSSPI=y
+CONFIG_SPI_MASTER=y
+CONFIG_SPI_MEM=y
+CONFIG_SRCU=y
+CONFIG_SWAP_IO_SPACE=y
+CONFIG_SWPHY=y
+CONFIG_SYNC_R4K=y
+CONFIG_SYSCTL_EXCEPTION_TRACE=y
+CONFIG_SYS_HAS_CPU_BMIPS=y
+CONFIG_SYS_HAS_CPU_BMIPS32_3300=y
+CONFIG_SYS_HAS_CPU_BMIPS4350=y
+CONFIG_SYS_HAS_CPU_BMIPS4380=y
+CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y
+CONFIG_SYS_SUPPORTS_HOTPLUG_CPU=y
+CONFIG_SYS_SUPPORTS_SMP=y
+CONFIG_TARGET_ISA_REV=0
+CONFIG_TICK_CPU_ACCOUNTING=y
+CONFIG_TREE_RCU=y
+CONFIG_TREE_SRCU=y
+CONFIG_UBIFS_FS=y
+CONFIG_USB_EHCI_BIG_ENDIAN_DESC=y
+CONFIG_USB_EHCI_BIG_ENDIAN_MMIO=y
+CONFIG_USB_OHCI_BIG_ENDIAN_DESC=y
+CONFIG_USB_OHCI_BIG_ENDIAN_MMIO=y
+CONFIG_USB_SUPPORT=y
+CONFIG_USE_OF=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_WATCHDOG_CORE=y
+CONFIG_WATCHDOG_NOWAYOUT=y
+CONFIG_WEAK_ORDERING=y
+CONFIG_XPS=y
+CONFIG_XXHASH=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZSTD_COMPRESS=y
+CONFIG_ZSTD_DECOMPRESS=y
diff --git a/target/linux/bmips/bcm6328/target.mk b/target/linux/bmips/bcm6328/target.mk
new file mode 100644
index 0000000000..a514130fc7
--- /dev/null
+++ b/target/linux/bmips/bcm6328/target.mk
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+SUBTARGET:=bcm6328
+BOARDNAME:=BCM6328 based boards
+FEATURES+=nand
+
+define Target/Description
+  Build firmware images for Broadcom BCM6328 based boards.
+endef