Initial commit

target/linux/cns3xxx/Makefile

@@ -0,0 +1,30 @@
+#
+# Copyright (C) 2010-2012 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+
+ARCH:=arm
+BOARD:=cns3xxx
+BOARDNAME:=Cavium Networks Econa CNS3xxx
+FEATURES:=squashfs fpu gpio pcie usb usbgadget
+CPU_TYPE:=mpcore
+CPU_SUBTYPE:=vfp
+MAINTAINER:=Felix Fietkau <nbd@nbd.name>
+
+KERNEL_PATCHVER:=4.14
+
+define Target/Description
+	Build images for Cavium Networks Econa CNS3xxx based boards,
+	eg. the Gateworks Laguna family
+endef
+
+include $(INCLUDE_DIR)/target.mk
+
+KERNELNAME:=zImage
+
+DEFAULT_PACKAGES += kmod-ath9k kmod-usb2 wpad-mini
+
+$(eval $(call BuildTarget))

target/linux/cns3xxx/base-files/etc/init.d/netdev-cpu

@@ -0,0 +1,21 @@
+#!/bin/sh /etc/rc.common
+
+START=99
+
+get_irq() {
+	local name="$1"
+	grep -m 1 "$name" /proc/interrupts | cut -d: -f1 | sed 's, *,,'
+}
+
+set_irq_affinity() {
+	local name="$1"
+	local val="$2"
+	local irq="$(get_irq "$name")"
+	[ -n "$irq" ] || return
+	echo "$val" > "/proc/irq/$irq/smp_affinity"
+}
+
+start() {
+	set_irq_affinity gig_switch 2
+	set_irq_affinity gig_stat 2
+}

target/linux/cns3xxx/base-files/lib/cns3xxx.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+CNS3XXX_BOARD_NAME=
+CNS3XXX_MODEL=
+
+cns3xxx_board_detect() {
+	local machine
+	local name
+
+	machine=$(awk 'BEGIN{FS="[ \t]+:[ \t]"} /Hardware/ {print $2}' /proc/cpuinfo)
+
+	case "$machine" in
+		"Gateworks Corporation Laguna"*)
+			name="laguna"
+			;;
+		*)
+			name="generic";
+			;;
+	esac
+
+	[ -z "$CNS3XXX_BOARD_NAME" ] && CNS3XXX_BOARD_NAME="$name"
+	[ -z "$CNS3XXX_MODEL" ] && CNS3XXX_MODEL="$machine"
+
+	[ -e "/tmp/sysinfo/" ] || mkdir -p "/tmp/sysinfo/"
+
+	echo "$CNS3XXX_BOARD_NAME" > /tmp/sysinfo/board_name
+	echo "$CNS3XXX_MODEL" > /tmp/sysinfo/model
+}

target/linux/cns3xxx/base-files/lib/preinit/01_sysinfo

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+do_sysinfo_cns3xxx() {
+	. /lib/cns3xxx.sh
+
+	cns3xxx_board_detect
+}
+
+boot_hook_add preinit_main do_sysinfo_cns3xxx

target/linux/cns3xxx/base-files/lib/upgrade/platform.sh

@@ -0,0 +1,19 @@
+PART_NAME=firmware
+
+CI_BLKSZ=65536
+
+platform_check_image() {
+	local magic="$(get_magic_long "$1")"
+
+	[ "$#" -gt 1 ] && return 1
+
+	[ "$magic" != "27051956" ] && {
+		echo "Invalid image type."
+		return 1
+	}
+	return 0
+}
+
+platform_do_upgrade() {
+	default_do_upgrade "$ARGV"
+}

target/linux/cns3xxx/config-4.14

@@ -0,0 +1,383 @@
+# CONFIG_AIO is not set
+CONFIG_ALIGNMENT_TRAP=y
+CONFIG_ARCH_CLOCKSOURCE_DATA=y
+CONFIG_ARCH_CNS3XXX=y
+CONFIG_ARCH_HAS_DEBUG_VIRTUAL=y
+CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
+CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y
+CONFIG_ARCH_HAS_SET_MEMORY=y
+CONFIG_ARCH_HAS_SG_CHAIN=y
+CONFIG_ARCH_HAS_STRICT_KERNEL_RWX=y
+CONFIG_ARCH_HAS_STRICT_MODULE_RWX=y
+CONFIG_ARCH_HAS_TICK_BROADCAST=y
+CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
+CONFIG_ARCH_MULTIPLATFORM=y
+# CONFIG_ARCH_MULTI_CPU_AUTO is not set
+CONFIG_ARCH_MULTI_V6=y
+CONFIG_ARCH_MULTI_V6_V7=y
+CONFIG_ARCH_NR_GPIO=0
+CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y
+# CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
+CONFIG_ARCH_SUPPORTS_UPROBES=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_ARCH_USE_BUILTIN_BSWAP=y
+CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y
+CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
+CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
+CONFIG_ARM=y
+# CONFIG_ARM_CPU_SUSPEND is not set
+CONFIG_ARM_GIC=y
+CONFIG_ARM_HAS_SG_CHAIN=y
+CONFIG_ARM_HEAVY_MB=y
+CONFIG_ARM_L1_CACHE_SHIFT=5
+CONFIG_ARM_PATCH_PHYS_VIRT=y
+CONFIG_ARM_THUMB=y
+CONFIG_ATA=y
+CONFIG_ATAGS=y
+# CONFIG_ATA_SFF is not set
+CONFIG_ATA_VERBOSE_ERROR=y
+CONFIG_AUTO_ZRELADDR=y
+CONFIG_BCM_NET_PHYLIB=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_BLK_MQ_PCI=y
+CONFIG_BLK_SCSI_REQUEST=y
+CONFIG_BROADCOM_PHY=y
+CONFIG_CACHE_L2X0=y
+CONFIG_CC_STACKPROTECTOR=y
+# CONFIG_CC_STACKPROTECTOR_NONE is not set
+CONFIG_CC_STACKPROTECTOR_REGULAR=y
+CONFIG_CLKDEV_LOOKUP=y
+CONFIG_CLONE_BACKWARDS=y
+CONFIG_CMDLINE="console=ttyS0,115200"
+CONFIG_CMDLINE_FORCE=y
+CONFIG_CNS3XXX_ETH=y
+CONFIG_COMMON_CLK=y
+CONFIG_COREDUMP=y
+CONFIG_CPU_32v6=y
+CONFIG_CPU_32v6K=y
+CONFIG_CPU_ABRT_EV6=y
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+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_HAS_ASID=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+CONFIG_CPU_PABRT_V6=y
+CONFIG_CPU_RMAP=y
+# CONFIG_CPU_SW_DOMAIN_PAN is not set
+CONFIG_CPU_THUMB_CAPABLE=y
+CONFIG_CPU_TLB_V6=y
+CONFIG_CPU_V6K=y
+CONFIG_CRASH_DUMP=y
+CONFIG_CRC_CCITT=m
+CONFIG_CRYPTO_AEAD=y
+CONFIG_CRYPTO_AEAD2=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
+CONFIG_CRYPTO_NULL2=y
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_WORKQUEUE=y
+CONFIG_DCACHE_WORD_ACCESS=y
+CONFIG_DEBUG_ALIGN_RODATA=y
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S"
+# CONFIG_DEBUG_UART_8250 is not set
+# CONFIG_DEBUG_USER is not set
+CONFIG_DMA_CACHE_FIQ_BROADCAST=y
+CONFIG_DTC=y
+CONFIG_EDAC_ATOMIC_SCRUB=y
+CONFIG_EDAC_SUPPORT=y
+CONFIG_EEPROM_AT24=y
+CONFIG_ELF_CORE=y
+CONFIG_FIQ=y
+CONFIG_FIXED_PHY=y
+CONFIG_FIX_EARLYCON_MEM=y
+CONFIG_FRAME_POINTER=y
+CONFIG_GENERIC_ALLOCATOR=y
+CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
+CONFIG_GENERIC_CPU_AUTOPROBE=y
+CONFIG_GENERIC_EARLY_IOREMAP=y
+CONFIG_GENERIC_IDLE_POLL_SETUP=y
+CONFIG_GENERIC_IO=y
+CONFIG_GENERIC_IRQ_CHIP=y
+CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_GENERIC_SCHED_CLOCK=y
+CONFIG_GENERIC_SMP_IDLE_THREAD=y
+CONFIG_GENERIC_STRNCPY_FROM_USER=y
+CONFIG_GENERIC_STRNLEN_USER=y
+CONFIG_GLOB=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIOLIB_IRQCHIP=y
+CONFIG_GPIO_PCA953X=y
+CONFIG_GPIO_PCA953X_IRQ=y
+CONFIG_GPIO_SYSFS=y
+# CONFIG_GRO_CELLS is not set
+CONFIG_HANDLE_DOMAIN_IRQ=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_HAS_DMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT_MAP=y
+# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
+CONFIG_HAVE_ARCH_AUDITSYSCALL=y
+# CONFIG_HAVE_ARCH_BITREVERSE is not set
+CONFIG_HAVE_ARCH_JUMP_LABEL=y
+CONFIG_HAVE_ARCH_KGDB=y
+CONFIG_HAVE_ARCH_PFN_VALID=y
+CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_ARM_SCU=y
+CONFIG_HAVE_ARM_TWD=y
+# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
+CONFIG_HAVE_CC_STACKPROTECTOR=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_CLK_PREPARE=y
+CONFIG_HAVE_CONTEXT_TRACKING=y
+CONFIG_HAVE_C_RECORDMCOUNT=y
+CONFIG_HAVE_DEBUG_KMEMLEAK=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+CONFIG_HAVE_DMA_CONTIGUOUS=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_DYNAMIC_FTRACE_WITH_REGS=y
+CONFIG_HAVE_EBPF_JIT=y
+CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_HAVE_IDE=y
+CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
+CONFIG_HAVE_MEMBLOCK=y
+CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
+CONFIG_HAVE_NET_DSA=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_OPTPROBES=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_HAVE_PERF_REGS=y
+CONFIG_HAVE_PERF_USER_STACK_DUMP=y
+CONFIG_HAVE_PROC_CPU=y
+CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
+CONFIG_HAVE_SMP=y
+CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
+CONFIG_HAVE_UID16=y
+CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
+# CONFIG_HNS3 is not set
+CONFIG_HWMON=y
+CONFIG_HZ_FIXED=0
+CONFIG_HZ_PERIODIC=y
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_CNS3XXX=y
+# CONFIG_INITRAMFS_FORCE is not set
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_IOMMU_HELPER=y
+CONFIG_IP6_NF_FILTER=m
+CONFIG_IP6_NF_IPTABLES=m
+CONFIG_IP6_NF_MANGLE=m
+CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IPV6=y
+CONFIG_IPV6_MROUTE=y
+CONFIG_IPV6_MULTIPLE_TABLES=y
+# CONFIG_IPV6_PIMSM_V2 is not set
+CONFIG_IPV6_SUBTREES=y
+CONFIG_IP_NF_FILTER=m
+CONFIG_IP_NF_IPTABLES=m
+CONFIG_IP_NF_MANGLE=m
+CONFIG_IP_NF_NAT=m
+CONFIG_IP_NF_TARGET_MASQUERADE=m
+CONFIG_IP_NF_TARGET_REDIRECT=m
+CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IRQCHIP=y
+CONFIG_IRQ_DOMAIN=y
+CONFIG_IRQ_DOMAIN_HIERARCHY=y
+CONFIG_IRQ_FORCED_THREADING=y
+CONFIG_IRQ_WORK=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_UNCOMPRESSED=y
+CONFIG_LEDS_GPIO=y
+# CONFIG_LEDS_TRIGGER_NETDEV is not set
+CONFIG_LIBFDT=y
+CONFIG_LOCK_SPIN_ON_OWNER=y
+# CONFIG_MACH_CNS3420VB is not set
+CONFIG_MACH_GW2388=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_MDIO_BUS=y
+CONFIG_MDIO_DEVICE=y
+CONFIG_MIGHT_HAVE_CACHE_L2X0=y
+CONFIG_MIGHT_HAVE_PCI=y
+CONFIG_MMC=y
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_CNS3XXX=y
+# CONFIG_MMC_SDHCI_PCI is not set
+CONFIG_MMC_SDHCI_PLTFM=y
+# CONFIG_MMC_TIFM_SD is not set
+CONFIG_MODULES_USE_ELF_REL=y
+CONFIG_MPCORE_WATCHDOG=y
+CONFIG_MTD_M25P80=y
+# CONFIG_MTD_OF_PARTS is not set
+CONFIG_MTD_PHYSMAP=y
+# CONFIG_MTD_PHYSMAP_OF is not set
+CONFIG_MTD_SPI_NOR=y
+CONFIG_MTD_SPLIT_FIRMWARE=y
+CONFIG_MTD_SPLIT_UIMAGE_FW=y
+CONFIG_MULTI_IRQ_HANDLER=y
+CONFIG_MUTEX_SPIN_ON_OWNER=y
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_NETFILTER=y
+CONFIG_NETFILTER_ADVANCED=y
+CONFIG_NETFILTER_XTABLES=m
+CONFIG_NETFILTER_XT_MARK=m
+CONFIG_NETFILTER_XT_MATCH_COMMENT=m
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
+CONFIG_NETFILTER_XT_MATCH_LIMIT=m
+CONFIG_NETFILTER_XT_MATCH_MAC=m
+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
+CONFIG_NETFILTER_XT_MATCH_STATE=m
+CONFIG_NETFILTER_XT_MATCH_TIME=m
+CONFIG_NETFILTER_XT_NAT=m
+CONFIG_NETFILTER_XT_TARGET_LOG=m
+CONFIG_NETFILTER_XT_TARGET_REDIRECT=m
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
+CONFIG_NET_FLOW_LIMIT=y
+CONFIG_NF_CONNTRACK=m
+CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_NF_CONNTRACK_RTCACHE=m
+CONFIG_NF_DEFRAG_IPV4=m
+CONFIG_NF_DEFRAG_IPV6=m
+CONFIG_NF_LOG_COMMON=m
+CONFIG_NF_LOG_IPV4=m
+CONFIG_NF_LOG_IPV6=m
+CONFIG_NF_NAT=m
+CONFIG_NF_NAT_IPV4=m
+CONFIG_NF_NAT_MASQUERADE_IPV4=m
+CONFIG_NF_NAT_NEEDED=y
+CONFIG_NF_NAT_REDIRECT=m
+CONFIG_NF_REJECT_IPV4=m
+CONFIG_NF_REJECT_IPV6=m
+CONFIG_NLS=y
+CONFIG_NO_BOOTMEM=y
+CONFIG_NR_CPUS=2
+CONFIG_NTP_PPS=y
+CONFIG_NVMEM=y
+CONFIG_OF=y
+CONFIG_OF_ADDRESS=y
+CONFIG_OF_ADDRESS_PCI=y
+CONFIG_OF_EARLY_FLATTREE=y
+CONFIG_OF_FLATTREE=y
+CONFIG_OF_GPIO=y
+CONFIG_OF_IRQ=y
+CONFIG_OF_MDIO=y
+CONFIG_OF_NET=y
+CONFIG_OF_PCI=y
+CONFIG_OF_PCI_IRQ=y
+CONFIG_OF_RESERVED_MEM=y
+CONFIG_OLD_SIGACTION=y
+CONFIG_OLD_SIGSUSPEND3=y
+CONFIG_OUTER_CACHE=y
+CONFIG_OUTER_CACHE_SYNC=y
+CONFIG_PADATA=y
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PCI=y
+CONFIG_PCI_DISABLE_COMMON_QUIRKS=y
+CONFIG_PCI_DOMAINS=y
+CONFIG_PCI_DOMAINS_GENERIC=y
+# CONFIG_PCI_FTPCI100 is not set
+CONFIG_PERF_USE_VMALLOC=y
+CONFIG_PGTABLE_LEVELS=2
+CONFIG_PHYLIB=y
+CONFIG_PL310_ERRATA_588369=y
+CONFIG_PL310_ERRATA_727915=y
+CONFIG_PL310_ERRATA_753970=y
+CONFIG_PL310_ERRATA_769419=y
+CONFIG_PPP=m
+CONFIG_PPPOE=m
+CONFIG_PPP_ASYNC=m
+CONFIG_PPS=y
+CONFIG_PPS_CLIENT_GPIO=y
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
+CONFIG_PRINTK_TIME=y
+CONFIG_PROC_VMCORE=y
+CONFIG_RAID_ATTRS=y
+CONFIG_RATIONAL=y
+CONFIG_RCU_NEED_SEGCBLIST=y
+CONFIG_RCU_STALL_COMMON=y
+CONFIG_REGMAP=y
+CONFIG_REGMAP_I2C=y
+CONFIG_REGMAP_SPI=y
+CONFIG_RELAY=y
+CONFIG_RFS_ACCEL=y
+CONFIG_RPS=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_DS1672=y
+CONFIG_RTC_I2C_AND_SPI=y
+CONFIG_RTC_MC146818_LIB=y
+CONFIG_RWSEM_SPIN_ON_OWNER=y
+CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_SATA_AHCI=y
+CONFIG_SATA_AHCI_PLATFORM=y
+# CONFIG_SCHED_INFO is not set
+CONFIG_SCSI=y
+CONFIG_SENSORS_AD7418=y
+CONFIG_SERIAL_8250_FSL=y
+CONFIG_SERIAL_8250_NR_UARTS=3
+CONFIG_SERIAL_8250_RUNTIME_UARTS=3
+CONFIG_SG_POOL=y
+CONFIG_SLHC=m
+CONFIG_SMP=y
+CONFIG_SMP_ON_UP=y
+CONFIG_SPARSE_IRQ=y
+CONFIG_SPI=y
+CONFIG_SPI_BITBANG=y
+CONFIG_SPI_CNS3XXX=y
+CONFIG_SPI_MASTER=y
+CONFIG_SRCU=y
+# CONFIG_STAGING is not set
+CONFIG_SWIOTLB=y
+CONFIG_SWPHY=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_TICK_CPU_ACCOUNTING=y
+CONFIG_TIMER_OF=y
+CONFIG_TIMER_PROBE=y
+CONFIG_TREE_RCU=y
+CONFIG_TREE_SRCU=y
+CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
+CONFIG_USB=y
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
+CONFIG_USB_CNS3XXX_EHCI=y
+CONFIG_USB_CNS3XXX_OHCI=y
+CONFIG_USB_COMMON=y
+CONFIG_USB_DWC2=y
+CONFIG_USB_DWC2_HOST=y
+# CONFIG_USB_DWC2_TRACK_MISSED_SOFS is not set
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_HCD_PLATFORM=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_HCD_PLATFORM=y
+CONFIG_USB_SUPPORT=y
+CONFIG_USE_OF=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_VFP=y
+CONFIG_WATCHDOG_CORE=y
+CONFIG_WATCHDOG_NOWAYOUT=y
+CONFIG_XPS=y
+CONFIG_XZ_DEC_ARM=y
+CONFIG_XZ_DEC_BCJ=y
+CONFIG_ZBOOT_ROM_BSS=0
+CONFIG_ZBOOT_ROM_TEXT=0

target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/cns3xxx_fiq.S

@@ -0,0 +1,87 @@
+/*
+ *  Copyright (C) 2012 Gateworks Corporation
+ *      Chris Lang <clang@gateworks.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <asm/asm-offsets.h>
+
+#define D_CACHE_LINE_SIZE 32
+
+	.text
+
+/*
+ * R8  - DMA Start Address
+ * R9  - DMA Length
+ * R10 - DMA Direction
+ * R11 - DMA type
+ * R12 - fiq_buffer Address
+*/
+
+	.global	cns3xxx_fiq_end
+ENTRY(cns3xxx_fiq_start)
+	str	r8, [r13]
+
+	ldmia	r12, {r8, r9, r10}
+	and	r11, r10, #0x3000000
+	and	r10, r10, #0xff
+
+	teq	r11, #0x1000000
+	beq	cns3xxx_dma_map_area
+	teq	r11, #0x2000000
+	beq	cns3xxx_dma_unmap_area
+	/* fall through */
+cns3xxx_dma_flush_range:
+	bic	r8, r8, #D_CACHE_LINE_SIZE - 1
+1:
+	mcr	p15, 0, r8, c7, c14, 1		@ clean & invalidate D line
+	add	r8, r8, #D_CACHE_LINE_SIZE
+	cmp	r8, r9
+	blo	1b
+	/* fall through */
+cns3xxx_fiq_exit:
+	mov	r8, #0
+	str	r8, [r12, #8]
+	mcr	p15, 0, r8, c7, c10, 4		@ drain write buffer
+	subs	pc, lr, #4
+
+cns3xxx_dma_map_area:
+	add	r9, r9, r8
+	teq	r10, #DMA_FROM_DEVICE
+	beq	cns3xxx_dma_inv_range
+	teq	r10, #DMA_TO_DEVICE
+	bne	cns3xxx_dma_flush_range
+	/* fall through */
+cns3xxx_dma_clean_range:
+	bic	r8, r8, #D_CACHE_LINE_SIZE - 1
+1:
+	mcr	p15, 0, r8, c7, c10, 1		@ clean D line
+	add	r8, r8, #D_CACHE_LINE_SIZE
+	cmp	r8, r9
+	blo	1b
+	b	cns3xxx_fiq_exit
+
+cns3xxx_dma_unmap_area:
+	add	r9, r9, r8
+	teq	r10, #DMA_TO_DEVICE
+	beq	cns3xxx_fiq_exit
+	/* fall through */
+cns3xxx_dma_inv_range:
+	tst	r8, #D_CACHE_LINE_SIZE - 1
+	bic	r8, r8, #D_CACHE_LINE_SIZE - 1
+	mcrne	p15, 0, r8, c7, c10, 1		@ clean D line
+	tst	r9, #D_CACHE_LINE_SIZE - 1
+	bic	r9, r9, #D_CACHE_LINE_SIZE - 1
+	mcrne	p15, 0, r9, c7, c14, 1		@ clean & invalidate D line
+1:
+	mcr	p15, 0, r8, c7, c6, 1		@ invalidate D line
+	add	r8, r8, #D_CACHE_LINE_SIZE
+	cmp	r8, r9
+	blo	1b
+	b	cns3xxx_fiq_exit
+
+cns3xxx_fiq_end:

target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/gpio.c

@@ -0,0 +1,292 @@
+/*
+ * Copyright 2012 Gateworks Corporation
+ *     Chris Lang <clang@gateworks.com>
+ *     Tim Harvey <tharvey@gateworks.com>
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, Version 2, as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irqchip/chained_irq.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+
+#include <asm/mach/irq.h>
+
+/*
+ * Registers
+ */
+#define GPIO_INPUT                          0x04
+#define GPIO_DIR                            0x08
+#define GPIO_SET                            0x10
+#define GPIO_CLEAR                          0x14
+#define GPIO_INTERRUPT_ENABLE               0x20
+#define GPIO_INTERRUPT_RAW_STATUS           0x24
+#define GPIO_INTERRUPT_MASKED_STATUS        0x28
+#define GPIO_INTERRUPT_MASK                 0x2C
+#define GPIO_INTERRUPT_CLEAR                0x30
+#define GPIO_INTERRUPT_TRIGGER_METHOD       0x34
+#define GPIO_INTERRUPT_TRIGGER_BOTH_EDGES   0x38
+#define GPIO_INTERRUPT_TRIGGER_TYPE         0x3C
+
+#define GPIO_INTERRUPT_TRIGGER_METHOD_EDGE  0
+#define GPIO_INTERRUPT_TRIGGER_METHOD_LEVEL 1
+#define GPIO_INTERRUPT_TRIGGER_EDGE_SINGLE  0
+#define GPIO_INTERRUPT_TRIGGER_EDGE_BOTH    1
+#define GPIO_INTERRUPT_TRIGGER_TYPE_RISING  0
+#define GPIO_INTERRUPT_TRIGGER_TYPE_FALLING 1
+#define GPIO_INTERRUPT_TRIGGER_TYPE_HIGH    0
+#define GPIO_INTERRUPT_TRIGGER_TYPE_LOW     1
+
+struct cns3xxx_gpio_chip {
+	struct gpio_chip    chip;
+	struct irq_domain   *domain;
+	spinlock_t          lock;
+	void __iomem        *base;
+};
+
+static struct cns3xxx_gpio_chip cns3xxx_gpio_chips[2];
+static int cns3xxx_gpio_chip_count;
+
+static inline void
+__set_direction(struct cns3xxx_gpio_chip *cchip, unsigned pin, int input)
+{
+	u32 reg;
+
+	reg = __raw_readl(cchip->base + GPIO_DIR);
+	if (input)
+		reg &= ~(1 << pin);
+	else
+		reg |= (1 << pin);
+	__raw_writel(reg, cchip->base + GPIO_DIR);
+}
+
+/*
+ * GENERIC_GPIO primatives
+ */
+static int cns3xxx_gpio_direction_input(struct gpio_chip *chip, unsigned pin)
+{
+	struct cns3xxx_gpio_chip *cchip =
+		container_of(chip, struct cns3xxx_gpio_chip, chip);
+	unsigned long flags;
+
+	spin_lock_irqsave(&cchip->lock, flags);
+	__set_direction(cchip, pin, 1);
+	spin_unlock_irqrestore(&cchip->lock, flags);
+
+	return 0;
+}
+
+static int cns3xxx_gpio_get(struct gpio_chip *chip, unsigned pin)
+{
+	struct cns3xxx_gpio_chip *cchip =
+		container_of(chip, struct cns3xxx_gpio_chip, chip);
+	int val;
+
+	val = ((__raw_readl(cchip->base + GPIO_INPUT) >> pin) & 0x1);
+
+	return val;
+}
+
+static int cns3xxx_gpio_direction_output(struct gpio_chip *chip, unsigned pin, int level)
+{
+	struct cns3xxx_gpio_chip *cchip =
+		container_of(chip, struct cns3xxx_gpio_chip, chip);
+	unsigned long flags;
+
+	spin_lock_irqsave(&cchip->lock, flags);
+	if (level)
+		__raw_writel(1 << pin, cchip->base + GPIO_SET);
+	else
+		__raw_writel(1 << pin, cchip->base + GPIO_CLEAR);
+	__set_direction(cchip, pin, 0);
+	spin_unlock_irqrestore(&cchip->lock, flags);
+
+	return 0;
+}
+
+static void cns3xxx_gpio_set(struct gpio_chip *chip, unsigned pin,
+	int level)
+{
+	struct cns3xxx_gpio_chip *cchip =
+		container_of(chip, struct cns3xxx_gpio_chip, chip);
+
+	if (level)
+		__raw_writel(1 << pin, cchip->base + GPIO_SET);
+	else
+		__raw_writel(1 << pin, cchip->base + GPIO_CLEAR);
+}
+
+static int cns3xxx_gpio_to_irq(struct gpio_chip *chip, unsigned pin)
+{
+	struct cns3xxx_gpio_chip *cchip =
+		container_of(chip, struct cns3xxx_gpio_chip, chip);
+
+	return irq_find_mapping(cchip->domain, pin);
+}
+
+
+/*
+ * IRQ support
+ */
+
+/* one interrupt per GPIO controller (GPIOA/GPIOB)
+ * this is called in task context, with IRQs enabled
+ */
+static void cns3xxx_gpio_irq_handler(struct irq_desc *desc)
+{
+	struct cns3xxx_gpio_chip *cchip = irq_desc_get_handler_data(desc);
+	struct irq_chip *chip = irq_desc_get_chip(desc);
+	u16 i;
+	u32 reg;
+
+	chained_irq_enter(chip, desc); /* mask and ack the base interrupt */
+
+	/* see which pin(s) triggered the interrupt */
+	reg = __raw_readl(cchip->base + GPIO_INTERRUPT_RAW_STATUS);
+	for (i = 0; i < 32; i++) {
+		if (reg & (1 << i)) {
+			/* let the generic IRQ layer handle an interrupt */
+			generic_handle_irq(irq_find_mapping(cchip->domain, i));
+		}
+	}
+
+	chained_irq_exit(chip, desc); /* unmask the base interrupt */
+}
+
+static int cns3xxx_gpio_irq_set_type(struct irq_data *d, u32 irqtype)
+{
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+	struct cns3xxx_gpio_chip *cchip = gc->private;
+	u32 gpio = d->hwirq;
+	unsigned long flags;
+	u32 method, edges, type;
+
+	spin_lock_irqsave(&cchip->lock, flags);
+	method = __raw_readl(cchip->base + GPIO_INTERRUPT_TRIGGER_METHOD);
+	edges  = __raw_readl(cchip->base + GPIO_INTERRUPT_TRIGGER_BOTH_EDGES);
+	type   = __raw_readl(cchip->base + GPIO_INTERRUPT_TRIGGER_TYPE);
+	method &= ~(1 << gpio);
+	edges  &= ~(1 << gpio);
+	type   &= ~(1 << gpio);
+
+	switch(irqtype) {
+	case IRQ_TYPE_EDGE_RISING:
+		method |= (GPIO_INTERRUPT_TRIGGER_METHOD_EDGE << gpio);
+		edges  |= (GPIO_INTERRUPT_TRIGGER_EDGE_SINGLE << gpio);
+		type   |= (GPIO_INTERRUPT_TRIGGER_TYPE_RISING << gpio);
+		break;
+	case IRQ_TYPE_EDGE_FALLING:
+		method |= (GPIO_INTERRUPT_TRIGGER_METHOD_EDGE << gpio);
+		edges  |= (GPIO_INTERRUPT_TRIGGER_EDGE_SINGLE << gpio);
+		type   |= (GPIO_INTERRUPT_TRIGGER_TYPE_FALLING << gpio);
+		break;
+	case IRQ_TYPE_EDGE_BOTH:
+		method |= (GPIO_INTERRUPT_TRIGGER_METHOD_EDGE << gpio);
+		edges  |= (GPIO_INTERRUPT_TRIGGER_EDGE_BOTH << gpio);
+		break;
+	case IRQ_TYPE_LEVEL_LOW:
+		method |= (GPIO_INTERRUPT_TRIGGER_METHOD_LEVEL << gpio);
+		type   |= (GPIO_INTERRUPT_TRIGGER_TYPE_LOW << gpio);
+		break;
+	case IRQ_TYPE_LEVEL_HIGH:
+		method |= (GPIO_INTERRUPT_TRIGGER_METHOD_LEVEL << gpio);
+		type   |= (GPIO_INTERRUPT_TRIGGER_TYPE_HIGH << gpio);
+		break;
+	default:
+		printk(KERN_WARNING "No irq type\n");
+		spin_unlock_irqrestore(&cchip->lock, flags);
+		return -EINVAL;
+	}
+
+	__raw_writel(method, cchip->base + GPIO_INTERRUPT_TRIGGER_METHOD);
+	__raw_writel(edges,  cchip->base + GPIO_INTERRUPT_TRIGGER_BOTH_EDGES);
+	__raw_writel(type,   cchip->base + GPIO_INTERRUPT_TRIGGER_TYPE);
+	spin_unlock_irqrestore(&cchip->lock, flags);
+
+	if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
+		irq_set_handler_locked(d, handle_level_irq);
+	else if (type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
+		irq_set_handler_locked(d, handle_edge_irq);
+
+	return 0;
+}
+
+void __init cns3xxx_gpio_init(int gpio_base, int ngpio,
+	u32 base, int irq, int secondary_irq_base)
+{
+	struct cns3xxx_gpio_chip *cchip;
+	struct irq_chip_generic *gc;
+	struct irq_chip_type *ct;
+	char gc_label[16];
+	int irq_base;
+
+	if (cns3xxx_gpio_chip_count == ARRAY_SIZE(cns3xxx_gpio_chips))
+		return;
+
+	snprintf(gc_label, sizeof(gc_label), "cns3xxx_gpio%d",
+		cns3xxx_gpio_chip_count);
+
+	cchip = cns3xxx_gpio_chips + cns3xxx_gpio_chip_count;
+	cchip->chip.label = kstrdup(gc_label, GFP_KERNEL);
+	cchip->chip.direction_input = cns3xxx_gpio_direction_input;
+	cchip->chip.get = cns3xxx_gpio_get;
+	cchip->chip.direction_output = cns3xxx_gpio_direction_output;
+	cchip->chip.set = cns3xxx_gpio_set;
+	cchip->chip.to_irq = cns3xxx_gpio_to_irq;
+	cchip->chip.base = gpio_base;
+	cchip->chip.ngpio = ngpio;
+	cchip->chip.can_sleep = 0;
+	spin_lock_init(&cchip->lock);
+	cchip->base = (void __iomem *)base;
+
+	BUG_ON(gpiochip_add(&cchip->chip) < 0);
+	cns3xxx_gpio_chip_count++;
+
+	/* clear GPIO interrupts */
+	__raw_writel(0xffff, cchip->base + GPIO_INTERRUPT_CLEAR);
+
+	irq_base = irq_alloc_descs(-1, secondary_irq_base, ngpio,
+		numa_node_id());
+	if (irq_base < 0)
+		goto out_irqdesc_free;
+
+	cchip->domain = irq_domain_add_legacy(NULL, ngpio, irq_base, 0,
+		&irq_domain_simple_ops, NULL);
+	if (!cchip->domain)
+		goto out_irqdesc_free;
+
+	/*
+	 * IRQ chip init
+	 */
+	gc = irq_alloc_generic_chip("cns3xxx_gpio_irq", 1, irq_base,
+		cchip->base, handle_edge_irq);
+
+	gc->private = cchip;
+
+	ct = gc->chip_types;
+	ct->type = IRQ_TYPE_EDGE_FALLING;
+	ct->regs.ack = GPIO_INTERRUPT_CLEAR;
+	ct->chip.irq_ack = irq_gc_ack_set_bit;
+	ct->regs.mask = GPIO_INTERRUPT_ENABLE;
+	ct->chip.irq_enable = irq_gc_mask_set_bit;
+	ct->chip.irq_disable = irq_gc_mask_clr_bit;
+	ct->chip.irq_set_type = cns3xxx_gpio_irq_set_type;
+	ct->handler = handle_edge_irq;
+
+	irq_setup_generic_chip(gc, IRQ_MSK(ngpio), IRQ_GC_INIT_MASK_CACHE,
+		IRQ_NOREQUEST, 0);
+	irq_set_chained_handler(irq, cns3xxx_gpio_irq_handler);
+	irq_set_handler_data(irq, cchip);
+
+	return;
+
+out_irqdesc_free:
+	irq_free_descs(irq_base, ngpio);
+}

target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/headsmp.S

@@ -0,0 +1,41 @@
+/*
+ *  linux/arch/arm/mach-cns3xxx/headsmp.S
+ *
+ *  Cloned from linux/arch/arm/plat-versatile/headsmp.S
+ *
+ *  Copyright (c) 2003 ARM Limited
+ *  All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+#include <linux/init.h>
+
+/*
+ * CNS3XXX specific entry point for secondary CPUs.  This provides
+ * a "holding pen" into which all secondary cores are held until we're
+ * ready for them to initialise.
+ */
+ENTRY(cns3xxx_secondary_startup)
+	mrc	p15, 0, r0, c0, c0, 5
+	and	r0, r0, #15
+	adr	r4, 1f
+	ldmia	r4, {r5, r6}
+	sub	r4, r4, r5
+	add	r6, r6, r4
+pen:	ldr	r7, [r6]
+	cmp	r7, r0
+	bne	pen
+
+	/*
+	 * we've been released from the holding pen: secondary_stack
+	 * should now contain the SVC stack for this core
+	 */
+	b	secondary_startup
+ENDPROC(cns3xxx_secondary_startup)
+
+	.align 2
+1:	.long	.
+	.long	pen_release

target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/hotplug.c

@@ -0,0 +1,130 @@
+/* linux arch/arm/mach-cns3xxx/hotplug.c
+ *
+ *  Cloned from linux/arch/arm/mach-realview/hotplug.c
+ *
+ *  Copyright (C) 2002 ARM Ltd.
+ *  All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/smp.h>
+
+#include <asm/cacheflush.h>
+
+extern volatile int pen_release;
+
+static inline void cpu_enter_lowpower(void)
+{
+	unsigned int v;
+
+	flush_cache_all();
+	asm volatile(
+	"	mcr	p15, 0, %1, c7, c5, 0\n"
+	"	mcr	p15, 0, %1, c7, c10, 4\n"
+	/*
+	 * Turn off coherency
+	 */
+	"	mrc	p15, 0, %0, c1, c0, 1\n"
+	"	bic	%0, %0, %3\n"
+	"	mcr	p15, 0, %0, c1, c0, 1\n"
+	"	mrc	p15, 0, %0, c1, c0, 0\n"
+	"	bic	%0, %0, %2\n"
+	"	mcr	p15, 0, %0, c1, c0, 0\n"
+	  : "=&r" (v)
+	  : "r" (0), "Ir" (CR_C), "Ir" (0x40)
+	  : "cc");
+}
+
+static inline void cpu_leave_lowpower(void)
+{
+	unsigned int v;
+
+	asm volatile(
+	"mrc	p15, 0, %0, c1, c0, 0\n"
+	"	orr	%0, %0, %1\n"
+	"	mcr	p15, 0, %0, c1, c0, 0\n"
+	"	mrc	p15, 0, %0, c1, c0, 1\n"
+	"	orr	%0, %0, %2\n"
+	"	mcr	p15, 0, %0, c1, c0, 1\n"
+	  : "=&r" (v)
+	  : "Ir" (CR_C), "Ir" (0x40)
+	  : "cc");
+}
+
+static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
+{
+	/*
+	 * there is no power-control hardware on this platform, so all
+	 * we can do is put the core into WFI; this is safe as the calling
+	 * code will have already disabled interrupts
+	 */
+	for (;;) {
+		/*
+		 * here's the WFI
+		 */
+		asm(".word	0xe320f003\n"
+		    :
+		    :
+		    : "memory", "cc");
+
+		if (pen_release == cpu) {
+			/*
+			 * OK, proper wakeup, we're done
+			 */
+			break;
+		}
+
+		/*
+		 * Getting here, means that we have come out of WFI without
+		 * having been woken up - this shouldn't happen
+		 *
+		 * Just note it happening - when we're woken, we can report
+		 * its occurrence.
+		 */
+		(*spurious)++;
+	}
+}
+
+int platform_cpu_kill(unsigned int cpu)
+{
+	return 1;
+}
+
+/*
+ * platform-specific code to shutdown a CPU
+ *
+ * Called with IRQs disabled
+ */
+void platform_cpu_die(unsigned int cpu)
+{
+	int spurious = 0;
+
+	/*
+	 * we're ready for shutdown now, so do it
+	 */
+	cpu_enter_lowpower();
+	platform_do_lowpower(cpu, &spurious);
+
+	/*
+	 * bring this CPU back into the world of cache
+	 * coherency, and then restore interrupts
+	 */
+	cpu_leave_lowpower();
+
+	if (spurious)
+		pr_warn("CPU%u: %u spurious wakeup calls\n", cpu, spurious);
+}
+
+int platform_cpu_disable(unsigned int cpu)
+{
+	/*
+	 * we don't allow CPU 0 to be shutdown (it is still too special
+	 * e.g. clock tick interrupts)
+	 */
+	return cpu == 0 ? -EPERM : 0;
+}

target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/include/mach/gpio.h

@@ -0,0 +1,17 @@
+/*
+ * arch/arm/mach-cns3xxx/include/mach/gpio.h
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ *
+ */
+#ifndef __ASM_ARCH_CNS3XXX_GPIO_H
+#define __ASM_ARCH_CNS3XXX_GPIO_H
+
+#include <linux/kernel.h>
+
+extern void __init cns3xxx_gpio_init(int gpio_base, int ngpio,
+	u32 base, int irq, int secondary_irq_base);
+
+#endif

target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/include/mach/smp.h

@@ -0,0 +1,8 @@
+#ifndef __MACH_SMP_H
+#define __MACH_SMP_H
+
+extern void smp_dma_map_area(const void *, size_t, int);
+extern void smp_dma_unmap_area(const void *, size_t, int);
+extern void smp_dma_flush_range(const void *, const void *);
+
+#endif

target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/platsmp.c

@@ -0,0 +1,327 @@
+/*
+ *  linux/arch/arm/mach-cns3xxx/platsmp.c
+ *
+ *  Copyright (C) 2002 ARM Ltd.
+ *  Copyright 2012 Gateworks Corporation
+ *		   Chris Lang <clang@gateworks.com>
+ *         Tim Harvey <tharvey@gateworks.com>
+ *
+ *  All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/jiffies.h>
+#include <linux/smp.h>
+#include <linux/io.h>
+
+#include <asm/cacheflush.h>
+#include <asm/smp_scu.h>
+#include <asm/unified.h>
+#include <asm/fiq.h>
+#include <mach/smp.h>
+#include "cns3xxx.h"
+
+static struct fiq_handler fh = {
+	.name = "cns3xxx-fiq"
+};
+
+struct fiq_req {
+	union {
+		struct {
+			const void *addr;
+			size_t size;
+		} map;
+		struct {
+			const void *addr;
+			size_t size;
+		} unmap;
+		struct {
+			const void *start;
+			const void *end;
+		} flush;
+	};
+	volatile uint flags;
+	void __iomem *reg;
+} ____cacheline_aligned;
+
+extern unsigned int fiq_number[2];
+
+DEFINE_PER_CPU(struct fiq_req, fiq_data);
+
+#define FIQ_ENABLED         0x80000000
+#define FIQ_GENERATE        0x00010000
+#define CNS3XXX_MAP_AREA    0x01000000
+#define CNS3XXX_UNMAP_AREA  0x02000000
+#define CNS3XXX_FLUSH_RANGE 0x03000000
+
+extern void cns3xxx_secondary_startup(void);
+extern unsigned char cns3xxx_fiq_start, cns3xxx_fiq_end;
+
+#define SCU_CPU_STATUS 0x08
+static void __iomem *scu_base;
+
+static inline void cns3xxx_set_fiq_regs(unsigned int cpu)
+{
+	struct pt_regs FIQ_regs;
+	struct fiq_req *fiq_req = &per_cpu(fiq_data, !cpu);
+
+	FIQ_regs.ARM_r8 = 0;
+	FIQ_regs.ARM_ip = (unsigned int)fiq_req;
+	FIQ_regs.ARM_sp = (int) MISC_FIQ_CPU(!cpu);
+	fiq_req->reg = MISC_FIQ_CPU(!cpu);
+
+	set_fiq_regs(&FIQ_regs);
+}
+
+static void __init cns3xxx_init_fiq(void)
+{
+	void *fiqhandler_start;
+	unsigned int fiqhandler_length;
+	int ret;
+
+	fiqhandler_start = &cns3xxx_fiq_start;
+	fiqhandler_length = &cns3xxx_fiq_end - &cns3xxx_fiq_start;
+
+	ret = claim_fiq(&fh);
+	if (ret)
+		return;
+
+	set_fiq_handler(fiqhandler_start, fiqhandler_length);
+}
+
+
+/*
+ * Write pen_release in a way that is guaranteed to be visible to all
+ * observers, irrespective of whether they're taking part in coherency
+ * or not.  This is necessary for the hotplug code to work reliably.
+ */
+static void write_pen_release(int val)
+{
+	pen_release = val;
+	smp_wmb();
+	__cpuc_flush_dcache_area((void *)&pen_release, sizeof(pen_release));
+	outer_clean_range(__pa(&pen_release), __pa(&pen_release + 1));
+}
+
+static DEFINE_SPINLOCK(boot_lock);
+
+static void cns3xxx_secondary_init(unsigned int cpu)
+{
+	/*
+	 * Setup Secondary Core FIQ regs
+	 */
+	cns3xxx_set_fiq_regs(1);
+
+	/*
+	 * let the primary processor know we're out of the
+	 * pen, then head off into the C entry point
+	 */
+	write_pen_release(-1);
+
+	/*
+	 * Synchronise with the boot thread.
+	 */
+	spin_lock(&boot_lock);
+	spin_unlock(&boot_lock);
+}
+
+static int cns3xxx_boot_secondary(unsigned int cpu, struct task_struct *idle)
+{
+	unsigned long timeout;
+
+	/*
+	 * Set synchronisation state between this boot processor
+	 * and the secondary one
+	 */
+	spin_lock(&boot_lock);
+
+	/*
+	 * The secondary processor is waiting to be released from
+	 * the holding pen - release it, then wait for it to flag
+	 * that it has been released by resetting pen_release.
+	 *
+	 * Note that "pen_release" is the hardware CPU ID, whereas
+	 * "cpu" is Linux's internal ID.
+	 */
+	write_pen_release(cpu);
+
+	/*
+	 * Send the secondary CPU a soft interrupt, thereby causing
+	 * the boot monitor to read the system wide flags register,
+	 * and branch to the address found there.
+	 */
+	arch_send_wakeup_ipi_mask(cpumask_of(cpu));;
+
+	timeout = jiffies + (1 * HZ);
+	while (time_before(jiffies, timeout)) {
+		smp_rmb();
+		if (pen_release == -1)
+			break;
+
+		udelay(10);
+	}
+
+	/*
+	 * now the secondary core is starting up let it run its
+	 * calibrations, then wait for it to finish
+	 */
+	spin_unlock(&boot_lock);
+
+	return pen_release != -1 ? -ENOSYS : 0;
+}
+
+/*
+ * Initialise the CPU possible map early - this describes the CPUs
+ * which may be present or become present in the system.
+ */
+static void __init cns3xxx_smp_init_cpus(void)
+{
+	unsigned int i, ncores;
+	unsigned int status;
+
+	scu_base = (void __iomem *) CNS3XXX_TC11MP_SCU_BASE_VIRT;
+
+	/* for CNS3xxx SCU_CPU_STATUS must be examined instead of SCU_CONFIGURATION
+	 * used in scu_get_core_count
+	 */
+	status = __raw_readl(scu_base + SCU_CPU_STATUS);
+	for (i = 0; i < NR_CPUS+1; i++) {
+		if (((status >> (i*2)) & 0x3) == 0)
+			set_cpu_possible(i, true);
+		else
+			break;
+	}
+	ncores = i;
+}
+
+static void __init cns3xxx_smp_prepare_cpus(unsigned int max_cpus)
+{
+	/*
+	 * enable SCU
+	 */
+	scu_enable(scu_base);
+
+	/*
+	 * Write the address of secondary startup into the
+	 * system-wide flags register. The boot monitor waits
+	 * until it receives a soft interrupt, and then the
+	 * secondary CPU branches to this address.
+	 */
+	__raw_writel(virt_to_phys(cns3xxx_secondary_startup),
+			(void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0600));
+
+	/*
+	 * Setup FIQ's for main cpu
+	 */
+	cns3xxx_init_fiq();
+	cns3xxx_set_fiq_regs(0);
+}
+
+extern void v6_dma_map_area(const void *, size_t, int);
+extern void v6_dma_unmap_area(const void *, size_t, int);
+extern void v6_dma_flush_range(const void *, const void *);
+extern void v6_flush_kern_dcache_area(void *, size_t);
+
+void fiq_dma_map_area(const void *addr, size_t size, int dir)
+{
+	unsigned long flags;
+	struct fiq_req *req;
+
+	raw_local_irq_save(flags);
+	/* currently, not possible to take cpu0 down, so only check cpu1 */
+	if (!cpu_online(1)) {
+		raw_local_irq_restore(flags);
+		v6_dma_map_area(addr, size, dir);
+		return;
+	}
+
+	req = this_cpu_ptr(&fiq_data);
+	req->map.addr = addr;
+	req->map.size = size;
+	req->flags = dir | CNS3XXX_MAP_AREA;
+	smp_mb();
+
+	writel_relaxed(FIQ_GENERATE, req->reg);
+
+	v6_dma_map_area(addr, size, dir);
+	while (req->flags)
+		barrier();
+
+	raw_local_irq_restore(flags);
+}
+
+void fiq_dma_unmap_area(const void *addr, size_t size, int dir)
+{
+	unsigned long flags;
+	struct fiq_req *req;
+
+	raw_local_irq_save(flags);
+	/* currently, not possible to take cpu0 down, so only check cpu1 */
+	if (!cpu_online(1)) {
+		raw_local_irq_restore(flags);
+		v6_dma_unmap_area(addr, size, dir);
+		return;
+	}
+
+	req = this_cpu_ptr(&fiq_data);
+	req->unmap.addr = addr;
+	req->unmap.size = size;
+	req->flags = dir | CNS3XXX_UNMAP_AREA;
+	smp_mb();
+
+	writel_relaxed(FIQ_GENERATE, req->reg);
+
+	v6_dma_unmap_area(addr, size, dir);
+	while (req->flags)
+		barrier();
+
+	raw_local_irq_restore(flags);
+}
+
+void fiq_dma_flush_range(const void *start, const void *end)
+{
+	unsigned long flags;
+	struct fiq_req *req;
+
+	raw_local_irq_save(flags);
+	/* currently, not possible to take cpu0 down, so only check cpu1 */
+	if (!cpu_online(1)) {
+		raw_local_irq_restore(flags);
+		v6_dma_flush_range(start, end);
+		return;
+	}
+
+	req = this_cpu_ptr(&fiq_data);
+
+	req->flush.start = start;
+	req->flush.end = end;
+	req->flags = CNS3XXX_FLUSH_RANGE;
+	smp_mb();
+
+	writel_relaxed(FIQ_GENERATE, req->reg);
+
+	v6_dma_flush_range(start, end);
+
+	while (req->flags)
+		barrier();
+
+	raw_local_irq_restore(flags);
+}
+
+void fiq_flush_kern_dcache_area(void *addr, size_t size)
+{
+	fiq_dma_flush_range(addr, addr + size);
+}
+
+struct smp_operations cns3xxx_smp_ops __initdata = {
+	.smp_init_cpus      = cns3xxx_smp_init_cpus,
+	.smp_prepare_cpus   = cns3xxx_smp_prepare_cpus,
+	.smp_secondary_init = cns3xxx_secondary_init,
+	.smp_boot_secondary = cns3xxx_boot_secondary,
+};

target/linux/cns3xxx/files/drivers/i2c/busses/i2c-cns3xxx.c

@@ -0,0 +1,374 @@
+/*
+ * Cavium CNS3xxx I2C Host Controller
+ *
+ * Copyright 2010 Cavium Network
+ * Copyright 2012 Gateworks Corporation
+ *		  Chris Lang <clang@gateworks.com>
+ *		  Tim Harvey <tharvey@gateworks.com>
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, Version 2, as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <asm/io.h>
+#include <linux/wait.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/clk.h>
+
+/*
+ * We need the memory map
+ */
+
+#define I2C_MEM_MAP_ADDR(x)         (i2c->base + x)
+#define I2C_MEM_MAP_VALUE(x)        (*((unsigned int volatile*)I2C_MEM_MAP_ADDR(x)))
+
+#define I2C_CONTROLLER_REG                    I2C_MEM_MAP_VALUE(0x00)
+#define I2C_TIME_OUT_REG                      I2C_MEM_MAP_VALUE(0x04)
+#define I2C_SLAVE_ADDRESS_REG                 I2C_MEM_MAP_VALUE(0x08)
+#define I2C_WRITE_DATA_REG                    I2C_MEM_MAP_VALUE(0x0C)
+#define I2C_READ_DATA_REG                     I2C_MEM_MAP_VALUE(0x10)
+#define I2C_INTERRUPT_STATUS_REG              I2C_MEM_MAP_VALUE(0x14)
+#define I2C_INTERRUPT_ENABLE_REG              I2C_MEM_MAP_VALUE(0x18)
+#define I2C_TWI_OUT_DLY_REG			         			I2C_MEM_MAP_VALUE(0x1C)
+
+#define I2C_BUS_ERROR_FLAG     (0x1)
+#define I2C_ACTION_DONE_FLAG   (0x2)
+
+#define CNS3xxx_I2C_ENABLE()          (I2C_CONTROLLER_REG) |= ((unsigned int)0x1 << 31)
+#define CNS3xxx_I2C_DISABLE()         (I2C_CONTROLLER_REG) &= ~((unsigned int)0x1 << 31)
+#define CNS3xxx_I2C_ENABLE_INTR()     (I2C_INTERRUPT_ENABLE_REG) |= 0x03
+#define CNS3xxx_I2C_DISABLE_INTR()    (I2C_INTERRUPT_ENABLE_REG) &= 0xfc
+
+#define TWI_TIMEOUT         (10*HZ)
+#define I2C_100KHZ          100000
+#define I2C_200KHZ          200000
+#define I2C_300KHZ          300000
+#define I2C_400KHZ          400000
+
+#define CNS3xxx_I2C_CLK     I2C_100KHZ
+
+#define STATE_DONE		1
+#define STATE_ERROR		2
+
+struct cns3xxx_i2c {
+	struct device		*dev;
+	void __iomem		*base;		/* virtual */
+	wait_queue_head_t	wait;
+	struct i2c_adapter	adap;
+	struct i2c_msg		*msg;
+	u8			state;		/* see STATE_ */
+	u8			error;		/* see TWI_STATUS register */
+	int			rd_wr_len;
+	u8			*buf;
+};
+
+static u32 cns3xxx_i2c_func(struct i2c_adapter *adap)
+{
+	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
+}
+
+static int
+cns3xxx_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg)
+{
+	struct cns3xxx_i2c *i2c = i2c_get_adapdata(adap);
+	int i, j;
+	u8 buf[1] = { 0 };
+
+	if (msg->len == 0) {
+		/*
+		 *	We are probably doing a probe for a device here,
+		 *	so set the length to one, and data to 0
+		 */
+		msg->len = 1;
+		i2c->buf = buf;
+	} else {
+		i2c->buf = msg->buf;
+	}
+
+	if (msg->flags & I2C_M_TEN) {
+		printk
+			("%s:%d: Presently the driver does not handle extended addressing\n",
+				__FUNCTION__, __LINE__);
+		return -EINVAL;
+	}
+	i2c->msg = msg;
+
+	for (i = 0; i < msg->len; i++) {
+		if (msg->len - i >= 4)
+			i2c->rd_wr_len = 3;
+		else
+			i2c->rd_wr_len = msg->len - i - 1;
+
+		// Set Data Width	and TWI_EN
+		I2C_CONTROLLER_REG = 0x80000000 | (i2c->rd_wr_len << 2) | (i2c->rd_wr_len);
+
+		// Clear Write Reg
+		I2C_WRITE_DATA_REG = 0;
+
+		// Set the slave address
+		I2C_SLAVE_ADDRESS_REG = (msg->addr << 1);
+
+		// Are we Writing
+		if (!(msg->flags & I2C_M_RD)) {
+			I2C_CONTROLLER_REG |= (1 << 4);
+			if (i != 0) {
+				/*
+				 * We need to set the address in the first byte.
+				 * The base address is going to be in buf[0] and then
+				 * it needs to be incremented by i - 1.
+				 */
+				i2c->buf--;
+				*i2c->buf = buf[0] + i - 1;
+
+				if (i2c->rd_wr_len < 3) {
+					i += i2c->rd_wr_len;
+					i2c->rd_wr_len++;
+					I2C_CONTROLLER_REG = 0x80000000 | (1 << 4) | (i2c->rd_wr_len << 2) | (i2c->rd_wr_len);
+				} else {
+					i += i2c->rd_wr_len - 1;
+				}
+			} else {
+				i += i2c->rd_wr_len;
+				buf[0] = *i2c->buf;
+			}
+			for (j = 0; j <= i2c->rd_wr_len; j++) {
+				I2C_WRITE_DATA_REG |= ((*i2c->buf++) << (8 * j));
+			}
+		} else {
+			i += i2c->rd_wr_len;
+		}
+
+		// Start the Transfer
+		i2c->state = 0;		// Clear out the State
+		i2c->error = 0;
+		I2C_CONTROLLER_REG |= (1 << 6);
+
+		if (wait_event_timeout(i2c->wait, (i2c->state == STATE_ERROR) ||
+				(i2c->state == STATE_DONE), TWI_TIMEOUT)) {
+			if (i2c->state == STATE_ERROR) {
+				dev_dbg(i2c->dev, "controller error: 0x%2x", i2c->error);
+				return -EAGAIN; // try again
+			}
+		} else {
+			dev_err(i2c->dev, "controller timed out "
+				"waiting for start condition to finish\n");
+			return -ETIMEDOUT;
+		}
+	}
+	return 0;
+}
+
+static int
+cns3xxx_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
+{
+	int i;
+	int ret;
+	for (i = 0; i < num; i++)
+	{
+		ret = cns3xxx_i2c_xfer_msg(adap, &msgs[i]);
+		if (ret < 0) {
+			return ret;
+		}
+	}
+	return num;
+}
+
+
+static struct i2c_algorithm cns3xxx_i2c_algo = {
+	.master_xfer = cns3xxx_i2c_xfer,
+	.functionality = cns3xxx_i2c_func,
+};
+
+static struct i2c_adapter cns3xxx_i2c_adapter = {
+	.owner = THIS_MODULE,
+	.algo = &cns3xxx_i2c_algo,
+	.algo_data = NULL,
+	.nr = 0,
+	.name = "CNS3xxx I2C 0",
+	.retries = 5,
+};
+
+static void cns3xxx_i2c_adapter_init(struct cns3xxx_i2c *i2c)
+{
+	struct clk *clk;
+
+	clk = devm_clk_get(i2c->dev, "cpu");
+	if (WARN_ON(!clk))
+		return;
+
+	/* Disable the I2C */
+	I2C_CONTROLLER_REG = 0;	/* Disabled the I2C */
+
+	/* Check the Reg Dump when testing */
+	I2C_TIME_OUT_REG =
+	    (((((clk_get_rate(clk) / (2 * CNS3xxx_I2C_CLK)) -
+		1) & 0x3FF) << 8) | (1 << 7) | 0x7F);
+	I2C_TWI_OUT_DLY_REG |= 0x3;
+
+	/* Enable The Interrupt */
+	CNS3xxx_I2C_ENABLE_INTR();
+
+	/* Clear Interrupt Status (0x2 | 0x1) */
+	I2C_INTERRUPT_STATUS_REG |= (I2C_ACTION_DONE_FLAG | I2C_BUS_ERROR_FLAG);
+
+	/* Enable the I2C Controller */
+	CNS3xxx_I2C_ENABLE();
+}
+
+static irqreturn_t cns3xxx_i2c_isr(int irq, void *dev_id)
+{
+	struct cns3xxx_i2c *i2c = dev_id;
+	int i;
+	uint32_t stat = I2C_INTERRUPT_STATUS_REG;
+
+	/* Clear Interrupt */
+	I2C_INTERRUPT_STATUS_REG |= 0x1;
+
+	if (stat & I2C_BUS_ERROR_FLAG) {
+		i2c->state = STATE_ERROR;
+		i2c->error = (I2C_INTERRUPT_STATUS_REG & 0xff00)>>8;
+	} else {
+		if (i2c->msg->flags & I2C_M_RD) {
+			for (i = 0; i <= i2c->rd_wr_len; i++)
+			{
+				*i2c->buf++ = ((I2C_READ_DATA_REG >> (8 * i)) & 0xff);
+			}
+		}
+		i2c->state = STATE_DONE;
+	}
+	wake_up(&i2c->wait);
+	return IRQ_HANDLED;
+}
+
+static int cns3xxx_i2c_probe(struct platform_device *pdev)
+{
+	struct cns3xxx_i2c *i2c;
+	struct resource *res, *res2;
+	int ret;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		printk("%s: IORESOURCE_MEM not defined \n", __FUNCTION__);
+		return -ENODEV;
+	}
+
+	res2 = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!res2) {
+		printk("%s: IORESOURCE_IRQ not defined \n", __FUNCTION__);
+		return -ENODEV;
+	}
+
+	i2c = kzalloc(sizeof(*i2c), GFP_KERNEL);
+	if (!i2c)
+		return -ENOMEM;
+
+	if (!request_mem_region(res->start, res->end - res->start + 1,
+				pdev->name)) {
+		dev_err(&pdev->dev, "Memory region busy\n");
+		ret = -EBUSY;
+		goto request_mem_failed;
+	}
+
+	i2c->dev = &pdev->dev;
+	i2c->base = ioremap(res->start, res->end - res->start + 1);
+	if (!i2c->base) {
+		dev_err(&pdev->dev, "Unable to map registers\n");
+		ret = -EIO;
+		goto map_failed;
+	}
+
+	cns3xxx_i2c_adapter_init(i2c);
+
+	init_waitqueue_head(&i2c->wait);
+	ret = request_irq(res2->start, cns3xxx_i2c_isr, 0, pdev->name, i2c);
+	if (ret) {
+		dev_err(&pdev->dev, "Cannot claim IRQ\n");
+		goto request_irq_failed;
+	}
+
+	platform_set_drvdata(pdev, i2c);
+	i2c->adap = cns3xxx_i2c_adapter;
+	i2c_set_adapdata(&i2c->adap, i2c);
+	i2c->adap.dev.parent = &pdev->dev;
+
+	/* add i2c adapter to i2c tree */
+	ret = i2c_add_numbered_adapter(&i2c->adap);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to add adapter\n");
+		goto add_adapter_failed;
+	}
+
+	return 0;
+
+      add_adapter_failed:
+	free_irq(res2->start, i2c);
+      request_irq_failed:
+	iounmap(i2c->base);
+      map_failed:
+	release_mem_region(res->start, res->end - res->start + 1);
+      request_mem_failed:
+	kfree(i2c);
+
+	return ret;
+}
+
+static int cns3xxx_i2c_remove(struct platform_device *pdev)
+{
+	struct cns3xxx_i2c *i2c = platform_get_drvdata(pdev);
+	struct resource *res;
+
+	/* disable i2c logic */
+	CNS3xxx_I2C_DISABLE_INTR();
+	CNS3xxx_I2C_DISABLE();
+	/* remove adapter & data */
+	i2c_del_adapter(&i2c->adap);
+	platform_set_drvdata(pdev, NULL);
+
+	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (res)
+		free_irq(res->start, i2c);
+
+	iounmap(i2c->base);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res)
+		release_mem_region(res->start, res->end - res->start + 1);
+
+	kfree(i2c);
+
+	return 0;
+}
+
+static struct platform_driver cns3xxx_i2c_driver = {
+	.probe = cns3xxx_i2c_probe,
+	.remove = cns3xxx_i2c_remove,
+	.driver = {
+		.owner = THIS_MODULE,
+		.name = "cns3xxx-i2c",
+	},
+};
+
+static int __init cns3xxx_i2c_init(void)
+{
+	return platform_driver_register(&cns3xxx_i2c_driver);
+}
+
+static void __exit cns3xxx_i2c_exit(void)
+{
+	platform_driver_unregister(&cns3xxx_i2c_driver);
+}
+
+module_init(cns3xxx_i2c_init);
+module_exit(cns3xxx_i2c_exit);
+
+MODULE_AUTHOR("Cavium Networks");
+MODULE_DESCRIPTION("Cavium CNS3XXX I2C Controller");
+MODULE_LICENSE("GPL");

target/linux/cns3xxx/files/drivers/net/ethernet/cavium/Kconfig

@@ -0,0 +1,24 @@
+config NET_VENDOR_CAVIUM
+	bool "Cavium devices"
+	default y
+	depends on ARCH_CNS3XXX
+	---help---
+	  If you have a network (Ethernet) chipset belonging to this class,
+	  say Y.
+
+	  Note that the answer to this question does not directly affect
+	  the kernel: saying N will just case the configurator to skip all
+	  the questions regarding AMD chipsets. If you say Y, you will be asked
+	  for your specific chipset/driver in the following questions.
+
+if NET_VENDOR_CAVIUM
+
+config CNS3XXX_ETH
+	tristate "Cavium CNS3xxx Ethernet support"
+	depends on ARCH_CNS3XXX
+	select PHYLIB
+	help
+	  Say Y here if you want to use built-in Ethernet ports
+	  on CNS3XXX processor.
+
+endif

target/linux/cns3xxx/files/drivers/net/ethernet/cavium/Makefile

@@ -0,0 +1,5 @@
+#
+# Makefile for the Cavium ethernet device drivers.
+#
+
+obj-$(CONFIG_CNS3XXX_ETH) += cns3xxx_eth.o

target/linux/cns3xxx/files/drivers/spi/spi-cns3xxx.c

@@ -0,0 +1,448 @@
+/*******************************************************************************
+ *
+ *  CNS3XXX SPI controller driver (master mode only)
+ *
+ *  Copyright (c) 2008 Cavium Networks
+ *  Copyright 2011 Gateworks Corporation
+ *		   Chris Lang <clang@gateworks.com>
+ *
+ *  This file is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License, Version 2, as
+ *  published by the Free Software Foundation.
+ *
+ *  This file is distributed in the hope that it will be useful,
+ *  but AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
+ *  NONINFRINGEMENT.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this file; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA or
+ *  visit http://www.gnu.org/licenses/.
+ *
+ *  This file may also be available under a different license from Cavium.
+ *  Contact Cavium Networks for more information
+ *
+ ******************************************************************************/
+
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_bitbang.h>
+#include <linux/mtd/partitions.h>
+#include <linux/dma-mapping.h>
+#include <linux/slab.h>
+
+#include <asm/io.h>
+#include <asm/memory.h>
+#include <asm/dma.h>
+#include <asm/delay.h>
+#include <linux/module.h>
+
+/*
+ * define access macros
+ */
+#define SPI_MEM_MAP_VALUE(reg_offset)		(*((u32 volatile *)(hw->base + reg_offset)))
+
+#define SPI_CONFIGURATION_REG			SPI_MEM_MAP_VALUE(0x00)
+#define SPI_SERVICE_STATUS_REG			SPI_MEM_MAP_VALUE(0x04)
+#define SPI_BIT_RATE_CONTROL_REG		SPI_MEM_MAP_VALUE(0x08)
+#define SPI_TRANSMIT_CONTROL_REG		SPI_MEM_MAP_VALUE(0x0C)
+#define SPI_TRANSMIT_BUFFER_REG			SPI_MEM_MAP_VALUE(0x10)
+#define SPI_RECEIVE_CONTROL_REG			SPI_MEM_MAP_VALUE(0x14)
+#define SPI_RECEIVE_BUFFER_REG			SPI_MEM_MAP_VALUE(0x18)
+#define SPI_FIFO_TRANSMIT_CONFIG_REG		SPI_MEM_MAP_VALUE(0x1C)
+#define SPI_FIFO_TRANSMIT_CONTROL_REG		SPI_MEM_MAP_VALUE(0x20)
+#define SPI_FIFO_RECEIVE_CONFIG_REG		SPI_MEM_MAP_VALUE(0x24)
+#define SPI_INTERRUPT_STATUS_REG		SPI_MEM_MAP_VALUE(0x28)
+#define SPI_INTERRUPT_ENABLE_REG		SPI_MEM_MAP_VALUE(0x2C)
+
+#define SPI_TRANSMIT_BUFFER_REG_ADDR		(CNS3XXX_SSP_BASE +0x10)
+#define SPI_RECEIVE_BUFFER_REG_ADDR		(CNS3XXX_SSP_BASE +0x18)
+
+/* Structure for SPI controller of CNS3XXX SOCs */
+struct cns3xxx_spi {
+	/* bitbang has to be first */
+	struct spi_bitbang bitbang;
+	struct completion done;
+	wait_queue_head_t wait;
+
+	int len;
+	int count;
+	int last_in_message_list;
+
+	/* data buffers */
+	const unsigned char *tx;
+	unsigned char *rx;
+
+	void __iomem *base;
+	struct spi_master *master;
+	struct platform_device *pdev;
+	struct device *dev;
+};
+
+static inline u8 cns3xxx_spi_bus_idle(struct cns3xxx_spi *hw)
+{
+	return ((SPI_SERVICE_STATUS_REG & 0x1) ? 0 : 1);
+}
+
+static inline u8 cns3xxx_spi_tx_buffer_empty(struct cns3xxx_spi *hw)
+{
+	return ((SPI_INTERRUPT_STATUS_REG & (0x1 << 3)) ? 1 : 0);
+}
+
+static inline u8 cns3xxx_spi_rx_buffer_full(struct cns3xxx_spi *hw)
+{
+	return ((SPI_INTERRUPT_STATUS_REG & (0x1 << 2)) ? 1 : 0);
+}
+
+u8 cns3xxx_spi_tx_rx(struct cns3xxx_spi *hw, u8 tx_channel, u8 tx_eof,
+		     u32 tx_data, u32 * rx_data)
+{
+	u8 rx_channel;
+	u8 rx_eof;
+
+	while (!cns3xxx_spi_bus_idle(hw)) ;	// do nothing
+
+	while (!cns3xxx_spi_tx_buffer_empty(hw)) ;	// do nothing
+
+	SPI_TRANSMIT_CONTROL_REG &= ~(0x7);
+	SPI_TRANSMIT_CONTROL_REG |= (tx_channel & 0x3) | ((tx_eof & 0x1) << 2);
+
+	SPI_TRANSMIT_BUFFER_REG = tx_data;
+
+	while (!cns3xxx_spi_rx_buffer_full(hw)) ;	// do nothing
+
+	rx_channel = SPI_RECEIVE_CONTROL_REG & 0x3;
+	rx_eof = (SPI_RECEIVE_CONTROL_REG & (0x1 << 2)) ? 1 : 0;
+
+	*rx_data = SPI_RECEIVE_BUFFER_REG;
+
+	if ((tx_channel != rx_channel) || (tx_eof != rx_eof)) {
+		return 0;
+	} else {
+		return 1;
+	}
+}
+
+u8 cns3xxx_spi_tx(struct cns3xxx_spi *hw, u8 tx_channel, u8 tx_eof, u32 tx_data)
+{
+
+        while (!cns3xxx_spi_bus_idle(hw)) ;       // do nothing
+
+        while (!cns3xxx_spi_tx_buffer_empty(hw)) ;        // do nothing
+
+        SPI_TRANSMIT_CONTROL_REG &= ~(0x7);
+        SPI_TRANSMIT_CONTROL_REG |= (tx_channel & 0x3) | ((tx_eof & 0x1) << 2);
+
+        SPI_TRANSMIT_BUFFER_REG = tx_data;
+
+        return 1;
+}
+
+static inline struct cns3xxx_spi *to_hw(struct spi_device *sdev)
+{
+	return spi_master_get_devdata(sdev->master);
+}
+
+static int cns3xxx_spi_setup_transfer(struct spi_device *spi,
+				      struct spi_transfer *t)
+{
+	return 0;
+}
+
+static void cns3xxx_spi_chipselect(struct spi_device *spi, int value)
+{
+	struct cns3xxx_spi *hw = to_hw(spi);
+	unsigned int spi_config;
+
+	switch (value) {
+	case BITBANG_CS_INACTIVE:
+		break;
+
+	case BITBANG_CS_ACTIVE:
+		spi_config = SPI_CONFIGURATION_REG;
+
+		if (spi->mode & SPI_CPHA)
+			spi_config |= (0x1 << 13);
+		else
+			spi_config &= ~(0x1 << 13);
+
+		if (spi->mode & SPI_CPOL)
+			spi_config |= (0x1 << 14);
+		else
+			spi_config &= ~(0x1 << 14);
+
+		/* write new configration */
+		SPI_CONFIGURATION_REG = spi_config;
+
+		SPI_TRANSMIT_CONTROL_REG &= ~(0x7);
+		SPI_TRANSMIT_CONTROL_REG |= (spi->chip_select & 0x3);
+
+		break;
+	}
+}
+
+static int cns3xxx_spi_setup(struct spi_device *spi)
+{
+	if (!spi->bits_per_word)
+		spi->bits_per_word = 8;
+
+	return 0;
+}
+
+static int cns3xxx_spi_txrx(struct spi_device *spi, struct spi_transfer *t)
+{
+	struct cns3xxx_spi *hw = to_hw(spi);
+
+	dev_dbg(&spi->dev, "txrx: tx %p, rx %p, len %d\n", t->tx_buf, t->rx_buf,
+		t->len);
+
+	hw->tx = t->tx_buf;
+	hw->rx = t->rx_buf;
+	hw->len = t->len;
+	hw->count = 0;
+	hw->last_in_message_list = t->last_in_message_list;
+
+	init_completion(&hw->done);
+
+	if (hw->tx) {
+		int i;
+		u32 rx_data;
+		for (i = 0; i < (hw->len - 1); i++) {
+			dev_dbg(&spi->dev,
+				"[SPI_CNS3XXX_DEBUG] hw->tx[%02d]: 0x%02x\n", i,
+				hw->tx[i]);
+			cns3xxx_spi_tx_rx(hw, spi->chip_select, 0, hw->tx[i],
+					  &rx_data);
+			if (hw->rx) {
+				hw->rx[i] = rx_data;
+				dev_dbg(&spi->dev,
+					"[SPI_CNS3XXX_DEBUG] hw->rx[%02d]: 0x%02x\n",
+					i, hw->rx[i]);
+			}
+		}
+
+		if (t->last_in_message_list) {
+			cns3xxx_spi_tx_rx(hw, spi->chip_select, 1, hw->tx[i],
+					  &rx_data);
+			if (hw->rx) {
+				hw->rx[i] = rx_data;
+				dev_dbg(&spi->dev,
+					"[SPI_CNS3XXX_DEBUG] hw->rx[%02d]: 0x%02x\n",
+					i, hw->rx[i]);
+			}
+		} else {
+			cns3xxx_spi_tx_rx(hw, spi->chip_select, 0, hw->tx[i],
+					  &rx_data);
+		}
+		goto done;
+	}
+
+	if (hw->rx) {
+		int i;
+		u32 rx_data;
+		for (i = 0; i < (hw->len - 1); i++) {
+			cns3xxx_spi_tx_rx(hw, spi->chip_select, 0, 0xff, &rx_data);
+			hw->rx[i] = rx_data;
+			dev_dbg(&spi->dev,
+				"[SPI_CNS3XXX_DEBUG] hw->rx[%02d]: 0x%02x\n", i,
+				hw->rx[i]);
+		}
+
+		if (t->last_in_message_list) {
+			cns3xxx_spi_tx_rx(hw, spi->chip_select, 1, 0xff, &rx_data);
+		} else {
+			cns3xxx_spi_tx_rx(hw, spi->chip_select, 0, 0xff, &rx_data);
+		}
+		hw->rx[i] = rx_data;
+		dev_dbg(&spi->dev, "[SPI_CNS3XXX_DEBUG] hw->rx[%02d]: 0x%02x\n",
+			i, hw->rx[i]);
+	}
+done:
+	return hw->len;
+}
+
+static void __init cns3xxx_spi_initial(struct cns3xxx_spi *hw)
+{
+	SPI_CONFIGURATION_REG = (((0x0 & 0x3) << 0) |	/* 8bits shift length */
+				 (0x0 << 9) |	/* SPI mode */
+				 (0x0 << 10) |	/* disable FIFO */
+				 (0x1 << 11) |	/* SPI master mode */
+				 (0x0 << 12) |	/* disable SPI loopback mode */
+				 (0x1 << 13) |	/* clock phase */
+				 (0x1 << 14) |	/* clock polarity */
+				 (0x0 << 24) |	/* disable - SPI data swap */
+				 (0x1 << 29) |	/* enable - 2IO Read mode */
+				 (0x0 << 30) |	/* disable - SPI high speed read for system boot up */
+				 (0x0 << 31));	/* disable - SPI */
+
+	/* Set SPI bit rate PCLK/2 */
+	SPI_BIT_RATE_CONTROL_REG = 0x1;
+
+	/* Set SPI Tx channel 0 */
+	SPI_TRANSMIT_CONTROL_REG = 0x0;
+
+	/* Set Tx FIFO Threshold, Tx FIFO has 2 words */
+	SPI_FIFO_TRANSMIT_CONFIG_REG &= ~(0x03 << 4);
+	SPI_FIFO_TRANSMIT_CONFIG_REG |= ((0x0 & 0x03) << 4);
+
+	/* Set Rx FIFO Threshold, Rx FIFO has 2 words */
+	SPI_FIFO_RECEIVE_CONFIG_REG &= ~(0x03 << 4);
+	SPI_FIFO_RECEIVE_CONFIG_REG |= ((0x0 & 0x03) << 4);
+
+	/* Disable all interrupt */
+	SPI_INTERRUPT_ENABLE_REG = 0x0;
+
+	/* Clear spurious interrupt sources */
+	SPI_INTERRUPT_STATUS_REG = (0x0F << 4);
+
+	/* Enable SPI */
+	SPI_CONFIGURATION_REG |= (0x1 << 31);
+
+	return;
+}
+
+static int cns3xxx_spi_probe(struct platform_device *pdev)
+{
+	struct spi_master *master;
+	struct cns3xxx_spi *hw;
+	struct resource *res;
+	int err = 0;
+
+	printk("%s: setup CNS3XXX SPI Controller\n", __FUNCTION__);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -ENODEV;
+
+	/* Allocate master with space for cns3xxx_spi */
+	master = spi_alloc_master(&pdev->dev, sizeof(struct cns3xxx_spi));
+	if (master == NULL) {
+		dev_err(&pdev->dev, "No memory for spi_master\n");
+		err = -ENOMEM;
+		goto err_nomem;
+	}
+
+	hw = spi_master_get_devdata(master);
+	memset(hw, 0, sizeof(struct cns3xxx_spi));
+
+	hw->master = spi_master_get(master);
+	hw->dev = &pdev->dev;
+
+	hw->base = devm_ioremap_resource(hw->dev, res);
+	if (IS_ERR(hw->base)) {
+		dev_err(hw->dev, "Unable to map registers\n");
+		err = PTR_ERR(hw->base);
+		goto err_register;
+	}
+
+	platform_set_drvdata(pdev, hw);
+	init_completion(&hw->done);
+
+	/* setup the master state. */
+
+	master->num_chipselect = 4;
+	master->bus_num = 1;
+
+	/* setup the state for the bitbang driver */
+
+	hw->bitbang.master = hw->master;
+	hw->bitbang.setup_transfer = cns3xxx_spi_setup_transfer;
+	hw->bitbang.chipselect = cns3xxx_spi_chipselect;
+	hw->bitbang.txrx_bufs = cns3xxx_spi_txrx;
+	hw->bitbang.master->setup = cns3xxx_spi_setup;
+
+	dev_dbg(hw->dev, "bitbang at %p\n", &hw->bitbang);
+
+	/* SPI controller initializations */
+	cns3xxx_spi_initial(hw);
+
+	/* register SPI controller */
+
+	err = spi_bitbang_start(&hw->bitbang);
+	if (err) {
+		dev_err(&pdev->dev, "Failed to register SPI master\n");
+		goto err_register;
+	}
+
+	return 0;
+
+err_register:
+	spi_master_put(hw->master);;
+
+err_nomem:
+	return err;
+}
+
+static int cns3xxx_spi_remove(struct platform_device *dev)
+{
+	struct cns3xxx_spi *hw = platform_get_drvdata(dev);
+
+	platform_set_drvdata(dev, NULL);
+
+	spi_unregister_master(hw->master);
+
+	spi_master_put(hw->master);
+	return 0;
+}
+
+#ifdef CONFIG_PM
+
+static int cns3xxx_spi_suspend(struct platform_device *pdev, pm_message_t msg)
+{
+	struct cns3xxx_spi *hw = platform_get_drvdata(pdev);
+
+	return 0;
+}
+
+static int cns3xxx_spi_resume(struct platform_device *pdev)
+{
+	struct cns3xxx_spi *hw = platform_get_drvdata(pdev);
+
+	return 0;
+}
+
+#else
+#define cns3xxx_spi_suspend	NULL
+#define cns3xxx_spi_resume	NULL
+#endif
+
+static struct platform_driver cns3xxx_spi_driver = {
+	.probe		= cns3xxx_spi_probe,
+	.remove		= cns3xxx_spi_remove,
+	.suspend	= cns3xxx_spi_suspend,
+	.resume		= cns3xxx_spi_resume,
+	.driver		= {
+		.name = "cns3xxx_spi",
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init cns3xxx_spi_init(void)
+{
+	return platform_driver_register(&cns3xxx_spi_driver);
+}
+
+static void __exit cns3xxx_spi_exit(void)
+{
+	platform_driver_unregister(&cns3xxx_spi_driver);
+}
+
+module_init(cns3xxx_spi_init);
+module_exit(cns3xxx_spi_exit);
+
+MODULE_AUTHOR("Cavium Networks");
+MODULE_DESCRIPTION("CNS3XXX SPI Controller Driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:cns3xxx_spi");
+
+EXPORT_SYMBOL_GPL(cns3xxx_spi_tx_rx);

target/linux/cns3xxx/files/include/linux/platform_data/cns3xxx.h

@@ -0,0 +1,26 @@
+/*
+ * arch/arm/mach-cns3xxx/include/mach/platform.h
+ *
+ * Copyright 2011 Gateworks Corporation
+ *		  Chris Lang <clang@gateworks.com
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, Version 2, as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef __ASM_ARCH_PLATFORM_H
+#define __ASM_ARCH_PLATFORM_H
+
+#ifndef __ASSEMBLY__
+
+/* Information about built-in Ethernet MAC interfaces */
+struct cns3xxx_plat_info {
+	u8 ports; /* Bitmap of enabled Ports */
+	u8 hwaddr[4][6];
+	u32 phy[3];
+};
+
+#endif /* __ASM_ARCH_PLATFORM_H */
+#endif

target/linux/cns3xxx/image/Makefile

@@ -0,0 +1,44 @@
+#
+# Copyright (C) 2010-2012 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/image.mk
+
+define Image/Prepare
+	mkimage -A arm -O linux -T kernel -C none -a 0x20008000 -e 0x20008000 -n '$(VERSION_DIST) Linux-$(LINUX_VERSION)' -d $(KDIR)/zImage $(KDIR)/uImage
+endef
+
+LEGACY_NOR_KERNEL_SIZE = 2048k
+LEGACY_SPI_KERNEL_SIZE = 1536k
+
+# Build sysupgrade image
+define BuildFirmware/Legacy
+	dd if=$(BIN_DIR)/$(IMG_PREFIX)-$(1)-sysupgrade.bin \
+		of=$(KDIR)/uImage.pad bs=$(3) count=1
+	dd if=$(BIN_DIR)/$(IMG_PREFIX)-$(1)-sysupgrade.bin \
+		of=$(KDIR)/root.$(1).pad bs=$(3) skip=1
+	sh $(TOPDIR)/scripts/combined-image.sh \
+		$(KDIR)/uImage.pad \
+		$(KDIR)/root.$(1).pad \
+		$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-legacy-sysupgrade.bin
+endef
+
+define Image/BuildKernel/Initramfs
+	mkimage -A arm -O linux -T kernel -C none -a 0x20008000 -e 0x20008000 -n '$(VERSION_DIST) Linux-$(LINUX_VERSION)' -d $(KDIR)/zImage-initramfs $(BIN_DIR)/$(IMG_PREFIX)-initramfs-uImage
+endef
+
+define Image/Build
+	cat $(KDIR)/uImage $(KDIR)/root.$(1) > $(BIN_DIR)/$(IMG_PREFIX)-$(1)-sysupgrade.bin
+	$(call Image/Build/$(1),$(1))
+	$(call BuildFirmware/Legacy,$(1),laguna_spi,$(LEGACY_SPI_KERNEL_SIZE))
+	$(call BuildFirmware/Legacy,$(1),laguna_nor,$(LEGACY_NOR_KERNEL_SIZE))
+endef
+
+define Image/Build/squashfs
+	$(call prepare_generic_squashfs,$(BIN_DIR)/$(IMG_PREFIX)-$(1)-sysupgrade.bin)
+endef
+
+$(eval $(call BuildImage))

target/linux/cns3xxx/patches-4.14/000-cns3xxx_arch_include.patch

@@ -0,0 +1,9 @@
+--- a/arch/arm/mach-cns3xxx/Makefile
++++ b/arch/arm/mach-cns3xxx/Makefile
+@@ -1,4 +1,6 @@
+ # SPDX-License-Identifier: GPL-2.0
++ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include
++
+ obj-$(CONFIG_ARCH_CNS3XXX)		+= cns3xxx.o
+ cns3xxx-y				+= core.o pm.o
+ cns3xxx-$(CONFIG_ATAGS)			+= devices.o

target/linux/cns3xxx/patches-4.14/001-arm_openwrt_machtypes.patch

@@ -0,0 +1,10 @@
+--- a/arch/arm/tools/mach-types
++++ b/arch/arm/tools/mach-types
+@@ -448,6 +448,7 @@ gplugd			MACH_GPLUGD		GPLUGD			2625
+ qsd8x50a_st1_5		MACH_QSD8X50A_ST1_5	QSD8X50A_ST1_5		2627
+ mx23evk			MACH_MX23EVK		MX23EVK			2629
+ ap4evb			MACH_AP4EVB		AP4EVB			2630
++gw2388			MACH_GW2388		GW2388			2635
+ mityomapl138		MACH_MITYOMAPL138	MITYOMAPL138		2650
+ guruplug		MACH_GURUPLUG		GURUPLUG		2659
+ spear310		MACH_SPEAR310		SPEAR310		2660

target/linux/cns3xxx/patches-4.14/010-arm_introduce-dma-fiq-irq-broadcast.patch

@@ -0,0 +1,80 @@
+--- a/arch/arm/include/asm/glue-cache.h
++++ b/arch/arm/include/asm/glue-cache.h
+@@ -152,9 +152,15 @@ static inline void nop_dma_unmap_area(co
+ #define __cpuc_flush_user_range		__glue(_CACHE,_flush_user_cache_range)
+ #define __cpuc_coherent_kern_range	__glue(_CACHE,_coherent_kern_range)
+ #define __cpuc_coherent_user_range	__glue(_CACHE,_coherent_user_range)
+-#define __cpuc_flush_dcache_area	__glue(_CACHE,_flush_kern_dcache_area)
+ 
+-#define dmac_flush_range		__glue(_CACHE,_dma_flush_range)
++#ifndef CONFIG_DMA_CACHE_FIQ_BROADCAST
++# define __cpuc_flush_dcache_area	__glue(_CACHE,_flush_kern_dcache_area)
++# define dmac_flush_range		__glue(_CACHE,_dma_flush_range)
++#else
++# define __cpuc_flush_dcache_area	__glue(fiq,_flush_kern_dcache_area)
++# define dmac_flush_range		__glue(fiq,_dma_flush_range)
++#endif
++
+ #endif
+ 
+ #endif
+--- a/arch/arm/mm/Kconfig
++++ b/arch/arm/mm/Kconfig
+@@ -922,6 +922,17 @@ config DMA_CACHE_RWFO
+ 	  in hardware, other workarounds are needed (e.g. cache
+ 	  maintenance broadcasting in software via FIQ).
+ 
++config DMA_CACHE_FIQ_BROADCAST
++	bool "Enable fiq broadcast DMA cache maintenance"
++	depends on CPU_V6K && SMP
++	select FIQ
++	help
++	  The Snoop Control Unit on ARM11MPCore does not detect the
++	  cache maintenance operations and the dma_{map,unmap}_area()
++	  functions may leave stale cache entries on other CPUs. By
++	  enabling this option, fiq broadcast in the ARMv6
++	  DMA cache maintenance functions is performed.
++
+ config OUTER_CACHE
+ 	bool
+ 
+--- a/arch/arm/mm/flush.c
++++ b/arch/arm/mm/flush.c
+@@ -319,6 +319,7 @@ void __sync_icache_dcache(pte_t pteval)
+ void flush_dcache_page(struct page *page)
+ {
+ 	struct address_space *mapping;
++	bool skip_broadcast = true;
+ 
+ 	/*
+ 	 * The zero page is never written to, so never has any dirty
+@@ -335,7 +336,10 @@ void flush_dcache_page(struct page *page
+ 
+ 	mapping = page_mapping(page);
+ 
+-	if (!cache_ops_need_broadcast() &&
++#ifndef CONFIG_DMA_CACHE_FIQ_BROADCAST
++        skip_broadcast = !cache_ops_need_broadcast();
++#endif
++        if (skip_broadcast &&
+ 	    mapping && !page_mapcount(page))
+ 		clear_bit(PG_dcache_clean, &page->flags);
+ 	else {
+--- a/arch/arm/mm/dma.h
++++ b/arch/arm/mm/dma.h
+@@ -5,8 +5,13 @@
+ #include <asm/glue-cache.h>
+ 
+ #ifndef MULTI_CACHE
+-#define dmac_map_area			__glue(_CACHE,_dma_map_area)
+-#define dmac_unmap_area 		__glue(_CACHE,_dma_unmap_area)
++#ifndef CONFIG_DMA_CACHE_FIQ_BROADCAST
++# define dmac_map_area			__glue(_CACHE,_dma_map_area)
++# define dmac_unmap_area 		__glue(_CACHE,_dma_unmap_area)
++#else
++# define dmac_map_area			__glue(fiq,_dma_map_area)
++# define dmac_unmap_area			__glue(fiq,_dma_unmap_area)
++#endif
+ 
+ /*
+  * These are private to the dma-mapping API.  Do not use directly.

target/linux/cns3xxx/patches-4.14/020-watchdog_support.patch

@@ -0,0 +1,185 @@
+Add a watchdog driver for ARM MPcore processors.
+
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+--- a/drivers/watchdog/Kconfig
++++ b/drivers/watchdog/Kconfig
+@@ -355,6 +355,13 @@ config KS8695_WATCHDOG
+ 	  Watchdog timer embedded into KS8695 processor. This will reboot your
+ 	  system when the timeout is reached.
+ 
++config MPCORE_WATCHDOG
++	tristate "MPcore watchdog"
++	depends on HAVE_ARM_TWD
++	select WATCHDOG_CORE
++	help
++	  Watchdog timer embedded into the MPcore system
++
+ config HAVE_S3C2410_WATCHDOG
+ 	bool
+ 	help
+--- a/drivers/watchdog/Makefile
++++ b/drivers/watchdog/Makefile
+@@ -49,6 +49,7 @@ obj-$(CONFIG_977_WATCHDOG) += wdt977.o
+ obj-$(CONFIG_GEMINI_WATCHDOG) += gemini_wdt.o
+ obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o
+ obj-$(CONFIG_KS8695_WATCHDOG) += ks8695_wdt.o
++obj-$(CONFIG_MPCORE_WATCHDOG) += mpcore_wdt.o
+ obj-$(CONFIG_S3C2410_WATCHDOG) += s3c2410_wdt.o
+ obj-$(CONFIG_SA1100_WATCHDOG) += sa1100_wdt.o
+ obj-$(CONFIG_SAMA5D4_WATCHDOG) += sama5d4_wdt.o
+--- /dev/null
++++ b/drivers/watchdog/mpcore_wdt.c
+@@ -0,0 +1,118 @@
++/*
++ * Watchdog driver for ARM MPcore
++ *
++ * Copyright (C) 2017 Felix Fietkau <nbd@nbd.name>
++ */
++
++#include <linux/export.h>
++#include <linux/module.h>
++#include <linux/kernel.h>
++#include <linux/watchdog.h>
++#include <linux/platform_device.h>
++#include <linux/io.h>
++#include <asm/smp_twd.h>
++
++static void __iomem *wdt_base;
++static int wdt_timeout = 60;
++
++static int mpcore_wdt_keepalive(struct watchdog_device *wdd)
++{
++	static int perturb;
++	u32 count;
++
++	count = (twd_timer_get_rate() / 256) * wdt_timeout;
++
++	/* Reload register needs a different value on each refresh */
++	count += perturb;
++	perturb = !perturb;
++
++	iowrite32(count, wdt_base + TWD_WDOG_LOAD);
++
++	return 0;
++}
++
++static int mpcore_wdt_start(struct watchdog_device *wdd)
++{
++	mpcore_wdt_keepalive(wdd);
++
++	/* prescale = 256, mode = 1, enable = 1 */
++	iowrite32(0x0000FF09, wdt_base + TWD_WDOG_CONTROL);
++
++	return 0;
++}
++
++static int mpcore_wdt_stop(struct watchdog_device *wdd)
++{
++	iowrite32(0x12345678, wdt_base + TWD_WDOG_DISABLE);
++	iowrite32(0x87654321, wdt_base + TWD_WDOG_DISABLE);
++	iowrite32(0x0, wdt_base + TWD_WDOG_CONTROL);
++
++	return 0;
++}
++
++static int mpcore_wdt_set_timeout(struct watchdog_device *wdd,
++				 unsigned int timeout)
++{
++	mpcore_wdt_stop(wdd);
++	wdt_timeout = timeout;
++	mpcore_wdt_start(wdd);
++
++	return 0;
++}
++
++static const struct watchdog_info mpcore_wdt_info = {
++	.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
++	.identity = "MPcore Watchdog",
++};
++
++static const struct watchdog_ops mpcore_wdt_ops = {
++	.owner = THIS_MODULE,
++	.start = mpcore_wdt_start,
++	.stop  = mpcore_wdt_stop,
++	.ping  = mpcore_wdt_keepalive,
++	.set_timeout = mpcore_wdt_set_timeout,
++};
++
++static struct watchdog_device mpcore_wdt = {
++	.info = &mpcore_wdt_info,
++	.ops = &mpcore_wdt_ops,
++	.min_timeout = 1,
++	.max_timeout = 65535,
++};
++
++static int mpcore_wdt_probe(struct platform_device *pdev)
++{
++	struct resource *res;
++	unsigned long rate = twd_timer_get_rate();
++
++	pr_info("MPCore WD init. clockrate: %u prescaler: %u countrate: %u timeout: %us\n", rate, 256, rate / 256, wdt_timeout);
++
++	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++	if (!res)
++		return -ENODEV;
++
++	wdt_base = devm_ioremap_resource(&pdev->dev, res);
++	if (IS_ERR(wdt_base))
++		return PTR_ERR(wdt_base);
++
++	watchdog_register_device(&mpcore_wdt);
++	return 0;
++}
++
++static int mpcore_wdt_remove(struct platform_device *dev)
++{
++	watchdog_unregister_device(&mpcore_wdt);
++	return 0;
++}
++
++static struct platform_driver mpcore_wdt_driver = {
++	.probe		= mpcore_wdt_probe,
++	.remove		= mpcore_wdt_remove,
++	.driver		= {
++		.name	= "mpcore_wdt",
++	},
++};
++
++module_platform_driver(mpcore_wdt_driver);
++MODULE_AUTHOR("Felix Fietkau <nbd@nbd.name>");
++MODULE_LICENSE("GPL");
+--- a/arch/arm/include/asm/smp_twd.h
++++ b/arch/arm/include/asm/smp_twd.h
+@@ -34,5 +34,6 @@ struct twd_local_timer name __initdata =
+ };
+ 
+ int twd_local_timer_register(struct twd_local_timer *);
++unsigned long twd_timer_get_rate(void);
+ 
+ #endif
+--- a/arch/arm/kernel/smp_twd.c
++++ b/arch/arm/kernel/smp_twd.c
+@@ -15,6 +15,7 @@
+ #include <linux/delay.h>
+ #include <linux/device.h>
+ #include <linux/err.h>
++#include <linux/export.h>
+ #include <linux/smp.h>
+ #include <linux/jiffies.h>
+ #include <linux/clockchips.h>
+@@ -380,6 +381,14 @@ int __init twd_local_timer_register(stru
+ 	return twd_local_timer_common_register(NULL);
+ }
+ 
++/* Needed by mpcore_wdt */
++unsigned long twd_timer_get_rate(void)
++{
++	return twd_timer_rate;
++}
++EXPORT_SYMBOL_GPL(twd_timer_get_rate);
++
++
+ #ifdef CONFIG_OF
+ static int __init twd_local_timer_of_register(struct device_node *np)
+ {

target/linux/cns3xxx/patches-4.14/025-smp_support.patch

@@ -0,0 +1,30 @@
+--- a/arch/arm/mach-cns3xxx/Makefile
++++ b/arch/arm/mach-cns3xxx/Makefile
+@@ -6,3 +6,5 @@ cns3xxx-y				+= core.o pm.o
+ cns3xxx-$(CONFIG_ATAGS)			+= devices.o
+ cns3xxx-$(CONFIG_PCI)			+= pcie.o
+ cns3xxx-$(CONFIG_MACH_CNS3420VB)	+= cns3420vb.o
++cns3xxx-$(CONFIG_SMP)			+= platsmp.o headsmp.o
++cns3xxx-$(CONFIG_HOTPLUG_CPU)		+= hotplug.o
+--- a/arch/arm/mach-cns3xxx/Kconfig
++++ b/arch/arm/mach-cns3xxx/Kconfig
+@@ -3,6 +3,9 @@ menuconfig ARCH_CNS3XXX
+ 	bool "Cavium Networks CNS3XXX family"
+ 	depends on ARCH_MULTI_V6
+ 	select ARM_GIC
++	select HAVE_ARM_SCU if SMP
++	select HAVE_ARM_TWD
++	select HAVE_SMP
+ 	help
+ 	  Support for Cavium Networks CNS3XXX platform.
+ 
+--- a/arch/arm/mach-cns3xxx/core.h
++++ b/arch/arm/mach-cns3xxx/core.h
+@@ -13,6 +13,7 @@
+ 
+ #include <linux/reboot.h>
+ 
++extern struct smp_operations cns3xxx_smp_ops;
+ extern void cns3xxx_timer_init(void);
+ 
+ #ifdef CONFIG_CACHE_L2X0

target/linux/cns3xxx/patches-4.14/030-pcie_clock.patch

@@ -0,0 +1,11 @@
+--- a/arch/arm/mach-cns3xxx/pcie.c
++++ b/arch/arm/mach-cns3xxx/pcie.c
+@@ -281,8 +281,6 @@ void __init cns3xxx_pcie_init_late(void)
+ 			"imprecise external abort");
+ 
+ 	for (i = 0; i < ARRAY_SIZE(cns3xxx_pcie); i++) {
+-		cns3xxx_pwr_clk_en(0x1 << PM_CLK_GATE_REG_OFFSET_PCIE(i));
+-		cns3xxx_pwr_soft_rst(0x1 << PM_SOFT_RST_REG_OFFST_PCIE(i));
+ 		cns3xxx_pcie_check_link(&cns3xxx_pcie[i]);
+ 		cns3xxx_pcie_hw_init(&cns3xxx_pcie[i]);
+ 		private_data = &cns3xxx_pcie[i];

target/linux/cns3xxx/patches-4.14/040-fiq_support.patch

@@ -0,0 +1,40 @@
+--- a/arch/arm/mach-cns3xxx/Kconfig
++++ b/arch/arm/mach-cns3xxx/Kconfig
+@@ -6,6 +6,7 @@ menuconfig ARCH_CNS3XXX
+ 	select HAVE_ARM_SCU if SMP
+ 	select HAVE_ARM_TWD
+ 	select HAVE_SMP
++	select FIQ
+ 	help
+ 	  Support for Cavium Networks CNS3XXX platform.
+ 
+--- a/arch/arm/mach-cns3xxx/Makefile
++++ b/arch/arm/mach-cns3xxx/Makefile
+@@ -6,5 +6,5 @@ cns3xxx-y				+= core.o pm.o
+ cns3xxx-$(CONFIG_ATAGS)			+= devices.o
+ cns3xxx-$(CONFIG_PCI)			+= pcie.o
+ cns3xxx-$(CONFIG_MACH_CNS3420VB)	+= cns3420vb.o
+-cns3xxx-$(CONFIG_SMP)			+= platsmp.o headsmp.o
++cns3xxx-$(CONFIG_SMP)			+= platsmp.o headsmp.o cns3xxx_fiq.o
+ cns3xxx-$(CONFIG_HOTPLUG_CPU)		+= hotplug.o
+--- a/arch/arm/mach-cns3xxx/cns3xxx.h
++++ b/arch/arm/mach-cns3xxx/cns3xxx.h
+@@ -261,6 +261,7 @@
+ #define MISC_PCIE_INT_MASK(x)			MISC_MEM_MAP(0x978 + (x) * 0x100)
+ #define MISC_PCIE_INT_STATUS(x)			MISC_MEM_MAP(0x97C + (x) * 0x100)
+ 
++#define MISC_FIQ_CPU(x)				MISC_MEM_MAP(0xA58 - (x) * 0x4)
+ /*
+  * Power management and clock control
+  */
+--- a/arch/arm/mm/Kconfig
++++ b/arch/arm/mm/Kconfig
+@@ -905,7 +905,7 @@ config VDSO
+ 
+ config DMA_CACHE_RWFO
+ 	bool "Enable read/write for ownership DMA cache maintenance"
+-	depends on CPU_V6K && SMP
++	depends on CPU_V6K && SMP && !ARCH_CNS3XXX
+ 	default y
+ 	help
+ 	  The Snoop Control Unit on ARM11MPCore does not detect the

target/linux/cns3xxx/patches-4.14/045-twd_base.patch

@@ -0,0 +1,43 @@
+--- a/arch/arm/mach-cns3xxx/core.c
++++ b/arch/arm/mach-cns3xxx/core.c
+@@ -17,6 +17,7 @@
+ #include <linux/platform_device.h>
+ #include <linux/usb/ehci_pdriver.h>
+ #include <linux/usb/ohci_pdriver.h>
++#include <asm/smp_twd.h>
+ #include <asm/mach/arch.h>
+ #include <asm/mach/map.h>
+ #include <asm/mach/time.h>
+@@ -26,6 +27,8 @@
+ #include "core.h"
+ #include "pm.h"
+ 
++#define IRQ_LOCALTIMER 29
++
+ static struct map_desc cns3xxx_io_desc[] __initdata = {
+ 	{
+ 		.virtual	= CNS3XXX_TC11MP_SCU_BASE_VIRT,
+@@ -198,6 +201,15 @@ static struct irqaction cns3xxx_timer_ir
+ 	.handler	= cns3xxx_timer_interrupt,
+ };
+ 
++static void __init cns3xxx_init_twd(void)
++{
++	static DEFINE_TWD_LOCAL_TIMER(cns3xx_twd_local_timer,
++		CNS3XXX_TC11MP_TWD_BASE,
++		IRQ_LOCALTIMER);
++
++	twd_local_timer_register(&cns3xx_twd_local_timer);
++}
++
+ /*
+  * Set up the clock source and clock events devices
+  */
+@@ -251,6 +263,7 @@ static void __init __cns3xxx_timer_init(
+ 	setup_irq(timer_irq, &cns3xxx_timer_irq);
+ 
+ 	cns3xxx_clockevents_init(timer_irq);
++	cns3xxx_init_twd();
+ }
+ 
+ void __init cns3xxx_timer_init(void)

target/linux/cns3xxx/patches-4.14/055-pcie_io.patch

@@ -0,0 +1,19 @@
+--- a/arch/arm/mach-cns3xxx/core.c
++++ b/arch/arm/mach-cns3xxx/core.c
+@@ -81,6 +81,16 @@ static struct map_desc cns3xxx_io_desc[]
+ 		.pfn		= __phys_to_pfn(CNS3XXX_PCIE1_CFG1_BASE),
+ 		.length		= SZ_16M,
+ 		.type		= MT_DEVICE,
++	}, {
++		.virtual	= CNS3XXX_PCIE0_IO_BASE_VIRT,
++		.pfn		= __phys_to_pfn(CNS3XXX_PCIE0_IO_BASE),
++		.length		= SZ_16M,
++		.type		= MT_DEVICE,
++	}, {
++		.virtual	= CNS3XXX_PCIE1_IO_BASE_VIRT,
++		.pfn		= __phys_to_pfn(CNS3XXX_PCIE1_IO_BASE),
++		.length		= SZ_16M,
++		.type		= MT_DEVICE,
+ #endif
+ 	},
+ };

target/linux/cns3xxx/patches-4.14/060-pcie_abort.patch

@@ -0,0 +1,109 @@
+--- a/arch/arm/mach-cns3xxx/pcie.c
++++ b/arch/arm/mach-cns3xxx/pcie.c
+@@ -86,6 +86,79 @@ static void __iomem *cns3xxx_pci_map_bus
+ 	return base + where + (devfn << 12);
+ }
+ 
++static inline int check_master_abort(struct pci_bus *bus, unsigned int devfn, int where)
++{
++	struct cns3xxx_pcie *cnspci = pbus_to_cnspci(bus);
++
++  /* check PCI-compatible status register after access */
++	if (cnspci->linked) {
++		void __iomem *host_base;
++		u32 sreg, ereg;
++
++		host_base = (void __iomem *) cnspci->cfg_bases[CNS3XXX_HOST_TYPE].virtual;
++		sreg = __raw_readw(host_base + 0x6) & 0xF900;
++		ereg = __raw_readl(host_base + 0x104); // Uncorrectable Error Status Reg
++
++		if (sreg | ereg) {
++			/* SREG:
++			 *  BIT15 - Detected Parity Error
++			 *  BIT14 - Signaled System Error
++			 *  BIT13 - Received Master Abort
++			 *  BIT12 - Received Target Abort
++			 *  BIT11 - Signaled Target Abort
++			 *  BIT08 - Master Data Parity Error
++			 *
++			 * EREG:
++			 *  BIT20 - Unsupported Request
++			 *  BIT19 - ECRC
++			 *  BIT18 - Malformed TLP
++			 *  BIT17 - Receiver Overflow
++			 *  BIT16 - Unexpected Completion
++			 *  BIT15 - Completer Abort
++			 *  BIT14 - Completion Timeout
++			 *  BIT13 - Flow Control Protocol Error
++			 *  BIT12 - Poisoned TLP
++			 *  BIT04 - Data Link Protocol Error
++			 *
++			 * TODO: see Documentation/pci-error-recovery.txt
++			 *    implement error_detected handler
++			 */
++/*
++			printk("pci error: %04d:%02x:%02x.%02x sreg=0x%04x ereg=0x%08x", pci_domain_nr(bus), bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), sreg, ereg);
++			if (sreg & BIT(15)) printk(" <PERR");
++			if (sreg & BIT(14)) printk(" >SERR");
++			if (sreg & BIT(13)) printk(" <MABRT");
++			if (sreg & BIT(12)) printk(" <TABRT");
++			if (sreg & BIT(11)) printk(" >TABRT");
++			if (sreg & BIT( 8)) printk(" MPERR");
++
++			if (ereg & BIT(20)) printk(" Unsup");
++			if (ereg & BIT(19)) printk(" ECRC");
++			if (ereg & BIT(18)) printk(" MTLP");
++			if (ereg & BIT(17)) printk(" OFLOW");
++			if (ereg & BIT(16)) printk(" Unex");
++			if (ereg & BIT(15)) printk(" ABRT");
++			if (ereg & BIT(14)) printk(" COMPTO");
++			if (ereg & BIT(13)) printk(" FLOW");
++			if (ereg & BIT(12)) printk(" PTLP");
++			if (ereg & BIT( 4)) printk(" DLINK");
++			printk("\n");
++*/
++			pr_debug("%s failed port%d sreg=0x%04x\n", __func__,
++				pci_domain_nr(bus), sreg);
++
++			/* make sure the status bits are reset */
++			__raw_writew(sreg, host_base + 6);
++			__raw_writel(ereg, host_base + 0x104);
++			return 1;
++		}
++	}
++	else
++		return 1;
++
++  return 0;
++}
++
+ static int cns3xxx_pci_read_config(struct pci_bus *bus, unsigned int devfn,
+ 				   int where, int size, u32 *val)
+ {
+@@ -95,6 +168,11 @@ static int cns3xxx_pci_read_config(struc
+ 
+ 	ret = pci_generic_config_read(bus, devfn, where, size, val);
+ 
++	if (check_master_abort(bus, devfn, where)) {
++		printk(KERN_ERR "pci error: %04d:%02x:%02x.%02x %02x(%d)= master_abort on read\n", pci_domain_nr(bus), bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where, size);
++		return PCIBIOS_DEVICE_NOT_FOUND;
++	}
++
+ 	if (ret == PCIBIOS_SUCCESSFUL && !bus->number && !devfn &&
+ 	    (where & 0xffc) == PCI_CLASS_REVISION)
+ 		/*
+@@ -257,8 +335,14 @@ static void __init cns3xxx_pcie_hw_init(
+ static int cns3xxx_pcie_abort_handler(unsigned long addr, unsigned int fsr,
+ 				      struct pt_regs *regs)
+ {
++#if 0
++/* R14_ABORT = PC+4 for XSCALE but not ARM11MPCORE
++ * ignore imprecise aborts and use PCI-compatible Status register to
++ * determine errors instead
++ */
+ 	if (fsr & (1 << 10))
+ 		regs->ARM_pc += 4;
++#endif
+ 	return 0;
+ }
+ 

target/linux/cns3xxx/patches-4.14/065-pcie_skip_inactive.patch

@@ -0,0 +1,11 @@
+--- a/arch/arm/mach-cns3xxx/pcie.c
++++ b/arch/arm/mach-cns3xxx/pcie.c
+@@ -366,6 +366,8 @@ void __init cns3xxx_pcie_init_late(void)
+ 
+ 	for (i = 0; i < ARRAY_SIZE(cns3xxx_pcie); i++) {
+ 		cns3xxx_pcie_check_link(&cns3xxx_pcie[i]);
++		if (!cns3xxx_pcie[i].linked)
++			continue;
+ 		cns3xxx_pcie_hw_init(&cns3xxx_pcie[i]);
+ 		private_data = &cns3xxx_pcie[i];
+ 		pci_common_init(&hw_pci);

target/linux/cns3xxx/patches-4.14/070-i2c_support.patch

@@ -0,0 +1,31 @@
+--- a/drivers/i2c/busses/Kconfig
++++ b/drivers/i2c/busses/Kconfig
+@@ -474,6 +474,18 @@ config I2C_CBUS_GPIO
+ 	  This driver can also be built as a module.  If so, the module
+ 	  will be called i2c-cbus-gpio.
+ 
++config I2C_CNS3XXX
++	tristate "Cavium CNS3xxx I2C driver"
++	depends on ARCH_CNS3XXX
++	help
++	  Support for Cavium CNS3xxx I2C controller driver.
++
++	  This driver can also be built as a module.  If so, the module
++	  will be called i2c-cns3xxx.
++
++	  Please note that this driver might be needed to bring up other
++	  devices such as Cavium CNS3xxx Ethernet.
++
+ config I2C_CPM
+ 	tristate "Freescale CPM1 or CPM2 (MPC8xx/826x)"
+ 	depends on CPM1 || CPM2
+--- a/drivers/i2c/busses/Makefile
++++ b/drivers/i2c/busses/Makefile
+@@ -128,6 +128,7 @@ obj-$(CONFIG_I2C_VIPERBOARD)	+= i2c-vipe
+ obj-$(CONFIG_I2C_ACORN)		+= i2c-acorn.o
+ obj-$(CONFIG_I2C_BCM_KONA)	+= i2c-bcm-kona.o
+ obj-$(CONFIG_I2C_BRCMSTB)	+= i2c-brcmstb.o
++obj-$(CONFIG_I2C_CNS3XXX)	+= i2c-cns3xxx.o
+ obj-$(CONFIG_I2C_CROS_EC_TUNNEL)	+= i2c-cros-ec-tunnel.o
+ obj-$(CONFIG_I2C_ELEKTOR)	+= i2c-elektor.o
+ obj-$(CONFIG_I2C_MLXCPLD)	+= i2c-mlxcpld.o

target/linux/cns3xxx/patches-4.14/075-spi_support.patch

@@ -0,0 +1,51 @@
+--- a/drivers/spi/Kconfig
++++ b/drivers/spi/Kconfig
+@@ -206,6 +206,13 @@ config SPI_CLPS711X
+ 	  This enables dedicated general purpose SPI/Microwire1-compatible
+ 	  master mode interface (SSI1) for CLPS711X-based CPUs.
+ 
++config SPI_CNS3XXX
++	tristate "CNS3XXX SPI controller"
++	depends on ARCH_CNS3XXX && SPI_MASTER
++	select SPI_BITBANG
++	help
++	  This enables using the CNS3XXX SPI controller in master mode.
++
+ config SPI_COLDFIRE_QSPI
+ 	tristate "Freescale Coldfire QSPI controller"
+ 	depends on (M520x || M523x || M5249 || M525x || M527x || M528x || M532x)
+--- a/drivers/spi/Makefile
++++ b/drivers/spi/Makefile
+@@ -31,6 +31,7 @@ obj-$(CONFIG_SPI_BITBANG)		+= spi-bitban
+ obj-$(CONFIG_SPI_BUTTERFLY)		+= spi-butterfly.o
+ obj-$(CONFIG_SPI_CADENCE)		+= spi-cadence.o
+ obj-$(CONFIG_SPI_CLPS711X)		+= spi-clps711x.o
++obj-$(CONFIG_SPI_CNS3XXX)		+= spi-cns3xxx.o
+ obj-$(CONFIG_SPI_COLDFIRE_QSPI)		+= spi-coldfire-qspi.o
+ obj-$(CONFIG_SPI_DAVINCI)		+= spi-davinci.o
+ obj-$(CONFIG_SPI_DLN2)			+= spi-dln2.o
+--- a/include/linux/spi/spi.h
++++ b/include/linux/spi/spi.h
+@@ -799,6 +799,10 @@ struct spi_transfer {
+ 	u32		speed_hz;
+ 
+ 	struct list_head transfer_list;
++
++#ifdef CONFIG_ARCH_CNS3XXX
++	unsigned	last_in_message_list;
++#endif
+ };
+ 
+ /**
+--- a/drivers/spi/spi.c
++++ b/drivers/spi/spi.c
+@@ -1041,6 +1041,9 @@ static int spi_transfer_one_message(stru
+ 	list_for_each_entry(xfer, &msg->transfers, transfer_list) {
+ 		trace_spi_transfer_start(msg, xfer);
+ 
++		xfer->last_in_message_list =
++			list_is_last(&xfer->transfer_list, &msg->transfers);
++
+ 		spi_statistics_add_transfer_stats(statm, xfer, ctlr);
+ 		spi_statistics_add_transfer_stats(stats, xfer, ctlr);
+ 

target/linux/cns3xxx/patches-4.14/080-sata_support.patch

@@ -0,0 +1,26 @@
+--- a/drivers/ata/ahci_platform.c
++++ b/drivers/ata/ahci_platform.c
+@@ -37,12 +37,23 @@ static struct scsi_host_template ahci_pl
+ 	AHCI_SHT(DRV_NAME),
+ };
+ 
++static const struct ata_port_info cns3xxx_port_info = {
++	.flags		= AHCI_FLAG_COMMON,
++	.pio_mask	= ATA_PIO4,
++	.udma_mask	= ATA_UDMA6,
++	.port_ops	= &ahci_pmp_retry_srst_ops,
++};
++
+ static int ahci_probe(struct platform_device *pdev)
+ {
+ 	struct device *dev = &pdev->dev;
+ 	struct ahci_host_priv *hpriv;
++	const struct ata_port_info *info = &ahci_port_info;
+ 	int rc;
+ 
++	if (IS_ENABLED(CONFIG_ARCH_CNS3XXX))
++		info = &cns3xxx_port_info;
++
+ 	hpriv = ahci_platform_get_resources(pdev);
+ 	if (IS_ERR(hpriv))
+ 		return PTR_ERR(hpriv);

target/linux/cns3xxx/patches-4.14/090-timers.patch

@@ -0,0 +1,103 @@
+--- a/arch/arm/mach-cns3xxx/core.c
++++ b/arch/arm/mach-cns3xxx/core.c
+@@ -138,6 +138,7 @@ static int cns3xxx_set_oneshot(struct cl
+ 
+ 	/* period set, and timer enabled in 'next_event' hook */
+ 	ctrl |= (1 << 2) | (1 << 9);
++	writel(0, cns3xxx_tmr1 + TIMER1_AUTO_RELOAD_OFFSET);
+ 	writel(ctrl, cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
+ 	return 0;
+ }
+@@ -148,7 +149,7 @@ static int cns3xxx_set_periodic(struct c
+ 	int pclk = cns3xxx_cpu_clock() / 8;
+ 	int reload;
+ 
+-	reload = pclk * 20 / (3 * HZ) * 0x25000;
++	reload = pclk * 1000000 / HZ;
+ 	writel(reload, cns3xxx_tmr1 + TIMER1_AUTO_RELOAD_OFFSET);
+ 	ctrl |= (1 << 0) | (1 << 2) | (1 << 9);
+ 	writel(ctrl, cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
+@@ -175,7 +176,7 @@ static struct clock_event_device cns3xxx
+ 	.set_state_oneshot	= cns3xxx_set_oneshot,
+ 	.tick_resume		= cns3xxx_shutdown,
+ 	.set_next_event		= cns3xxx_timer_set_next_event,
+-	.rating			= 350,
++	.rating			= 300,
+ 	.cpumask		= cpu_all_mask,
+ };
+ 
+@@ -220,6 +221,32 @@ static void __init cns3xxx_init_twd(void
+ 	twd_local_timer_register(&cns3xx_twd_local_timer);
+ }
+ 
++static u64 cns3xxx_get_cycles(struct clocksource *cs)
++{
++  u64 val;
++
++  val = readl(cns3xxx_tmr1 + TIMER_FREERUN_CONTROL_OFFSET);
++  val &= 0xffff;
++
++  return ((val << 32) | readl(cns3xxx_tmr1 + TIMER_FREERUN_OFFSET));
++}
++
++static struct clocksource clocksource_cns3xxx = {
++	.name = "freerun",
++	.rating = 200,
++	.read = cns3xxx_get_cycles,
++	.mask = CLOCKSOURCE_MASK(48),
++	.flags  = CLOCK_SOURCE_IS_CONTINUOUS,
++};
++
++static void __init cns3xxx_clocksource_init(void)
++{
++	/* Reset the FreeRunning counter */
++	writel((1 << 16), cns3xxx_tmr1 + TIMER_FREERUN_CONTROL_OFFSET);
++
++	clocksource_register_khz(&clocksource_cns3xxx, 100);
++}
++
+ /*
+  * Set up the clock source and clock events devices
+  */
+@@ -237,13 +264,12 @@ static void __init __cns3xxx_timer_init(
+ 	/* stop free running timer3 */
+ 	writel(0, cns3xxx_tmr1 + TIMER_FREERUN_CONTROL_OFFSET);
+ 
+-	/* timer1 */
+-	writel(0x5C800, cns3xxx_tmr1 + TIMER1_COUNTER_OFFSET);
+-	writel(0x5C800, cns3xxx_tmr1 + TIMER1_AUTO_RELOAD_OFFSET);
+-
+ 	writel(0, cns3xxx_tmr1 + TIMER1_MATCH_V1_OFFSET);
+ 	writel(0, cns3xxx_tmr1 + TIMER1_MATCH_V2_OFFSET);
+ 
++	val = (cns3xxx_cpu_clock() >> 3) * 1000000 / HZ;
++	writel(val, cns3xxx_tmr1 + TIMER1_COUNTER_OFFSET);
++
+ 	/* mask irq, non-mask timer1 overflow */
+ 	irq_mask = readl(cns3xxx_tmr1 + TIMER1_2_INTERRUPT_MASK_OFFSET);
+ 	irq_mask &= ~(1 << 2);
+@@ -255,23 +281,9 @@ static void __init __cns3xxx_timer_init(
+ 	val |= (1 << 9);
+ 	writel(val, cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
+ 
+-	/* timer2 */
+-	writel(0, cns3xxx_tmr1 + TIMER2_MATCH_V1_OFFSET);
+-	writel(0, cns3xxx_tmr1 + TIMER2_MATCH_V2_OFFSET);
+-
+-	/* mask irq */
+-	irq_mask = readl(cns3xxx_tmr1 + TIMER1_2_INTERRUPT_MASK_OFFSET);
+-	irq_mask |= ((1 << 3) | (1 << 4) | (1 << 5));
+-	writel(irq_mask, cns3xxx_tmr1 + TIMER1_2_INTERRUPT_MASK_OFFSET);
+-
+-	/* down counter */
+-	val = readl(cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
+-	val |= (1 << 10);
+-	writel(val, cns3xxx_tmr1 + TIMER1_2_CONTROL_OFFSET);
+-
+-	/* Make irqs happen for the system timer */
+ 	setup_irq(timer_irq, &cns3xxx_timer_irq);
+ 
++	cns3xxx_clocksource_init();
+ 	cns3xxx_clockevents_init(timer_irq);
+ 	cns3xxx_init_twd();
+ }

target/linux/cns3xxx/patches-4.14/093-add-virt-pci-io-mapping.patch

@@ -0,0 +1,41 @@
+--- a/arch/arm/mach-cns3xxx/cns3xxx.h
++++ b/arch/arm/mach-cns3xxx/cns3xxx.h
+@@ -162,11 +162,13 @@
+ #define CNS3XXX_L2C_BASE			0x92000000	/* L2 Cache Control */
+ 
+ #define CNS3XXX_PCIE0_MEM_BASE			0xA0000000	/* PCIe Port 0 IO/Memory Space */
++#define CNS3XXX_PCIE0_MEM_BASE_VIRT		0xE0000000
+ 
+ #define CNS3XXX_PCIE0_HOST_BASE			0xAB000000	/* PCIe Port 0 RC Base */
+ #define CNS3XXX_PCIE0_HOST_BASE_VIRT		0xE1000000
+ 
+ #define CNS3XXX_PCIE0_IO_BASE			0xAC000000	/* PCIe Port 0 */
++#define CNS3XXX_PCIE0_IO_BASE_VIRT		0xE2000000
+ 
+ #define CNS3XXX_PCIE0_CFG0_BASE			0xAD000000	/* PCIe Port 0 CFG Type 0 */
+ #define CNS3XXX_PCIE0_CFG0_BASE_VIRT		0xE3000000
+@@ -175,13 +177,16 @@
+ #define CNS3XXX_PCIE0_CFG1_BASE_VIRT		0xE4000000
+ 
+ #define CNS3XXX_PCIE0_MSG_BASE			0xAF000000	/* PCIe Port 0 Message Space */
++#define CNS3XXX_PCIE0_MSG_BASE_VIRT		0xE5000000
+ 
+ #define CNS3XXX_PCIE1_MEM_BASE			0xB0000000	/* PCIe Port 1 IO/Memory Space */
++#define CNS3XXX_PCIE1_MEM_BASE_VIRT		0xE8000000
+ 
+ #define CNS3XXX_PCIE1_HOST_BASE			0xBB000000	/* PCIe Port 1 RC Base */
+ #define CNS3XXX_PCIE1_HOST_BASE_VIRT		0xE9000000
+ 
+ #define CNS3XXX_PCIE1_IO_BASE			0xBC000000	/* PCIe Port 1 */
++#define CNS3XXX_PCIE1_IO_BASE_VIRT		0xEA000000
+ 
+ #define CNS3XXX_PCIE1_CFG0_BASE			0xBD000000	/* PCIe Port 1 CFG Type 0 */
+ #define CNS3XXX_PCIE1_CFG0_BASE_VIRT		0xEB000000
+@@ -190,6 +195,7 @@
+ #define CNS3XXX_PCIE1_CFG1_BASE_VIRT		0xEC000000
+ 
+ #define CNS3XXX_PCIE1_MSG_BASE			0xBF000000	/* PCIe Port 1 Message Space */
++#define CNS3XXX_PCIE1_MSG_BASE_VIRT		0xED000000
+ 
+ /*
+  * Testchip peripheral and fpga gic regions

target/linux/cns3xxx/patches-4.14/095-gpio_support.patch

@@ -0,0 +1,67 @@
+--- a/arch/arm/mach-cns3xxx/cns3420vb.c
++++ b/arch/arm/mach-cns3xxx/cns3420vb.c
+@@ -223,6 +223,10 @@ static void __init cns3420_init(void)
+ 
+ 	cns3xxx_ahci_init();
+ 	cns3xxx_sdhci_init();
++	cns3xxx_gpio_init( 0, 32, CNS3XXX_GPIOA_BASE_VIRT, IRQ_CNS3XXX_GPIOA,
++		NR_IRQS_CNS3XXX);
++	cns3xxx_gpio_init(32, 32, CNS3XXX_GPIOB_BASE_VIRT, IRQ_CNS3XXX_GPIOB,
++		NR_IRQS_CNS3XXX + 32);
+ 
+ 	pm_power_off = cns3xxx_power_off;
+ }
+--- a/arch/arm/mach-cns3xxx/Kconfig
++++ b/arch/arm/mach-cns3xxx/Kconfig
+@@ -3,6 +3,8 @@ menuconfig ARCH_CNS3XXX
+ 	bool "Cavium Networks CNS3XXX family"
+ 	depends on ARCH_MULTI_V6
+ 	select ARM_GIC
++	select ARCH_REQUIRE_GPIOLIB
++	select GENERIC_IRQ_CHIP
+ 	select HAVE_ARM_SCU if SMP
+ 	select HAVE_ARM_TWD
+ 	select HAVE_SMP
+--- a/arch/arm/mach-cns3xxx/Makefile
++++ b/arch/arm/mach-cns3xxx/Makefile
+@@ -2,7 +2,7 @@
+ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include
+ 
+ obj-$(CONFIG_ARCH_CNS3XXX)		+= cns3xxx.o
+-cns3xxx-y				+= core.o pm.o
++cns3xxx-y				+= core.o pm.o gpio.o
+ cns3xxx-$(CONFIG_ATAGS)			+= devices.o
+ cns3xxx-$(CONFIG_PCI)			+= pcie.o
+ cns3xxx-$(CONFIG_MACH_CNS3420VB)	+= cns3420vb.o
+--- a/arch/arm/mach-cns3xxx/cns3xxx.h
++++ b/arch/arm/mach-cns3xxx/cns3xxx.h
+@@ -68,8 +68,10 @@
+ #define SMC_PCELL_ID_3_OFFSET			0xFFC
+ 
+ #define CNS3XXX_GPIOA_BASE			0x74000000	/* GPIO port A */
++#define CNS3XXX_GPIOA_BASE_VIRT			0xFB006000
+ 
+ #define CNS3XXX_GPIOB_BASE			0x74800000	/* GPIO port B */
++#define CNS3XXX_GPIOB_BASE_VIRT			0xFB007000
+ 
+ #define CNS3XXX_RTC_BASE			0x75000000	/* Real Time Clock */
+ 
+--- a/arch/arm/mach-cns3xxx/core.c
++++ b/arch/arm/mach-cns3xxx/core.c
+@@ -50,6 +50,16 @@ static struct map_desc cns3xxx_io_desc[]
+ 		.pfn		= __phys_to_pfn(CNS3XXX_PM_BASE),
+ 		.length		= SZ_4K,
+ 		.type		= MT_DEVICE,
++	}, {
++		.virtual	= CNS3XXX_GPIOA_BASE_VIRT,
++		.pfn		= __phys_to_pfn(CNS3XXX_GPIOA_BASE),
++		.length		= SZ_4K,
++		.type		= MT_DEVICE,
++	}, {
++		.virtual	= CNS3XXX_GPIOB_BASE_VIRT,
++		.pfn		= __phys_to_pfn(CNS3XXX_GPIOB_BASE),
++		.length		= SZ_4K,
++		.type		= MT_DEVICE,
+ #ifdef CONFIG_PCI
+ 	}, {
+ 		.virtual	= CNS3XXX_PCIE0_HOST_BASE_VIRT,

target/linux/cns3xxx/patches-4.14/097-l2x0_cmdline_disable.patch

@@ -0,0 +1,69 @@
+--- a/arch/arm/mach-cns3xxx/core.c
++++ b/arch/arm/mach-cns3xxx/core.c
+@@ -307,13 +307,26 @@ void __init cns3xxx_timer_init(void)
+ 
+ #ifdef CONFIG_CACHE_L2X0
+ 
+-void __init cns3xxx_l2x0_init(void)
++static int cns3xxx_l2x0_enable = 1;
++
++static int __init cns3xxx_l2x0_disable(char *s)
++{
++	cns3xxx_l2x0_enable = 0;
++	return 1;
++}
++__setup("nol2x0", cns3xxx_l2x0_disable);
++
++static int __init cns3xxx_l2x0_init(void)
+ {
+-	void __iomem *base = ioremap(CNS3XXX_L2C_BASE, SZ_4K);
++	void __iomem *base;
+ 	u32 val;
+ 
++	if (!cns3xxx_l2x0_enable)
++		return 0;
++
++	base = ioremap(CNS3XXX_L2C_BASE, SZ_4K);
+ 	if (WARN_ON(!base))
+-		return;
++		return 0;
+ 
+ 	/*
+ 	 * Tag RAM Control register
+@@ -343,7 +356,10 @@ void __init cns3xxx_l2x0_init(void)
+ 
+ 	/* 32 KiB, 8-way, parity disable */
+ 	l2x0_init(base, 0x00500000, 0xfe0f0fff);
++
++	return 0;
+ }
++arch_initcall(cns3xxx_l2x0_init);
+ 
+ #endif /* CONFIG_CACHE_L2X0 */
+ 
+--- a/arch/arm/mach-cns3xxx/cns3420vb.c
++++ b/arch/arm/mach-cns3xxx/cns3420vb.c
+@@ -217,8 +217,6 @@ static struct platform_device *cns3420_p
+ 
+ static void __init cns3420_init(void)
+ {
+-	cns3xxx_l2x0_init();
+-
+ 	platform_add_devices(cns3420_pdevs, ARRAY_SIZE(cns3420_pdevs));
+ 
+ 	cns3xxx_ahci_init();
+--- a/arch/arm/mach-cns3xxx/core.h
++++ b/arch/arm/mach-cns3xxx/core.h
+@@ -16,12 +16,6 @@
+ extern struct smp_operations cns3xxx_smp_ops;
+ extern void cns3xxx_timer_init(void);
+ 
+-#ifdef CONFIG_CACHE_L2X0
+-void __init cns3xxx_l2x0_init(void);
+-#else
+-static inline void cns3xxx_l2x0_init(void) {}
+-#endif /* CONFIG_CACHE_L2X0 */
+-
+ #ifdef CONFIG_PCI
+ extern void __init cns3xxx_pcie_init_late(void);
+ #else

target/linux/cns3xxx/patches-4.14/100-laguna_support.patch

@@ -0,0 +1,46 @@
+--- a/arch/arm/mach-cns3xxx/Kconfig
++++ b/arch/arm/mach-cns3xxx/Kconfig
+@@ -23,4 +23,12 @@ config MACH_CNS3420VB
+ 	  This is a platform with an on-board ARM11 MPCore and has support
+ 	  for USB, USB-OTG, MMC/SD/SDIO, SATA, PCI-E, etc.
+ 
++config MACH_GW2388
++	bool "Support for Gateworks Laguna Platform"
++	help
++	  Include support for the Gateworks Laguna Platform
++
++	  This is a platform with an on-board ARM11 MPCore and has support
++	  for USB, USB-OTG, MMC/SD/SDIO, SATA, PCI-E, I2C, GIG, etc.
++
+ endif
+--- a/arch/arm/mach-cns3xxx/Makefile
++++ b/arch/arm/mach-cns3xxx/Makefile
+@@ -8,3 +8,5 @@ cns3xxx-$(CONFIG_PCI)			+= pcie.o
+ cns3xxx-$(CONFIG_MACH_CNS3420VB)	+= cns3420vb.o
+ cns3xxx-$(CONFIG_SMP)			+= platsmp.o headsmp.o cns3xxx_fiq.o
+ cns3xxx-$(CONFIG_HOTPLUG_CPU)		+= hotplug.o
++cns3xxx-$(CONFIG_MACH_GW2388)		+= laguna.o
++
+--- a/arch/arm/mach-cns3xxx/devices.c
++++ b/arch/arm/mach-cns3xxx/devices.c
+@@ -16,6 +16,7 @@
+ #include <linux/compiler.h>
+ #include <linux/dma-mapping.h>
+ #include <linux/platform_device.h>
++#include <asm/mach-types.h>
+ #include "cns3xxx.h"
+ #include "pm.h"
+ #include "core.h"
+@@ -101,7 +102,11 @@ void __init cns3xxx_sdhci_init(void)
+ 	u32 gpioa_pins = __raw_readl(gpioa);
+ 
+ 	/* MMC/SD pins share with GPIOA */
+-	gpioa_pins |= 0x1fff0004;
++	if (machine_is_gw2388()) {
++		gpioa_pins |= 0x1fff0000;
++	} else {
++		gpioa_pins |= 0x1fff0004;
++	}
+ 	__raw_writel(gpioa_pins, gpioa);
+ 
+ 	cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(SDIO));

target/linux/cns3xxx/patches-4.14/101-laguna_sdhci_card_detect.patch

@@ -0,0 +1,14 @@
+--- a/drivers/mmc/host/sdhci-cns3xxx.c
++++ b/drivers/mmc/host/sdhci-cns3xxx.c
+@@ -88,9 +88,9 @@ static const struct sdhci_pltfm_data sdh
+ 	.ops = &sdhci_cns3xxx_ops,
+ 	.quirks = SDHCI_QUIRK_BROKEN_DMA |
+ 		  SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
+-		  SDHCI_QUIRK_INVERTED_WRITE_PROTECT |
+ 		  SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
+-		  SDHCI_QUIRK_BROKEN_TIMEOUT_VAL,
++		  SDHCI_QUIRK_BROKEN_TIMEOUT_VAL |
++		  SDHCI_QUIRK_BROKEN_CARD_DETECTION,
+ };
+ 
+ static int sdhci_cns3xxx_probe(struct platform_device *pdev)

target/linux/cns3xxx/patches-4.14/110-pci_isolated_interrupts.patch

@@ -0,0 +1,95 @@
+--- a/arch/arm/mach-cns3xxx/pcie.c
++++ b/arch/arm/mach-cns3xxx/pcie.c
+@@ -18,6 +18,7 @@
+ #include <linux/io.h>
+ #include <linux/ioport.h>
+ #include <linux/interrupt.h>
++#include <linux/irq.h>
+ #include <linux/ptrace.h>
+ #include <asm/mach/map.h>
+ #include "cns3xxx.h"
+@@ -27,7 +28,7 @@ struct cns3xxx_pcie {
+ 	void __iomem *host_regs; /* PCI config registers for host bridge */
+ 	void __iomem *cfg0_regs; /* PCI Type 0 config registers */
+ 	void __iomem *cfg1_regs; /* PCI Type 1 config registers */
+-	unsigned int irqs[2];
++	unsigned int irqs[5];
+ 	struct resource res_io;
+ 	struct resource res_mem;
+ 	int port;
+@@ -95,7 +96,7 @@ static inline int check_master_abort(str
+ 		void __iomem *host_base;
+ 		u32 sreg, ereg;
+ 
+-		host_base = (void __iomem *) cnspci->cfg_bases[CNS3XXX_HOST_TYPE].virtual;
++		host_base = (void __iomem *) cnspci->host_regs;
+ 		sreg = __raw_readw(host_base + 0x6) & 0xF900;
+ 		ereg = __raw_readl(host_base + 0x104); // Uncorrectable Error Status Reg
+ 
+@@ -209,7 +210,7 @@ static struct pci_ops cns3xxx_pcie_ops =
+ static int cns3xxx_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+ {
+ 	struct cns3xxx_pcie *cnspci = pdev_to_cnspci(dev);
+-	int irq = cnspci->irqs[!!dev->bus->number];
++	int irq = cnspci->irqs[!!dev->bus->number + pin - 1];
+ 
+ 	pr_info("PCIe map irq: %04d:%02x:%02x.%02x slot %d, pin %d, irq: %d\n",
+ 		pci_domain_nr(dev->bus), dev->bus->number, PCI_SLOT(dev->devfn),
+@@ -235,7 +236,13 @@ static struct cns3xxx_pcie cns3xxx_pcie[
+ 			.end = CNS3XXX_PCIE0_HOST_BASE - 1, /* 176 MiB */
+ 			.flags = IORESOURCE_MEM,
+ 		},
+-		.irqs = { IRQ_CNS3XXX_PCIE0_RC, IRQ_CNS3XXX_PCIE0_DEVICE, },
++		.irqs = {
++			IRQ_CNS3XXX_PCIE0_RC,
++			IRQ_CNS3XXX_PCIE0_DEVICE,
++			IRQ_CNS3XXX_PCIE0_DEVICE,
++			IRQ_CNS3XXX_PCIE0_DEVICE,
++			IRQ_CNS3XXX_PCIE0_DEVICE,
++		},
+ 		.port = 0,
+ 	},
+ 	[1] = {
+@@ -254,7 +261,13 @@ static struct cns3xxx_pcie cns3xxx_pcie[
+ 			.end = CNS3XXX_PCIE1_HOST_BASE - 1, /* 176 MiB */
+ 			.flags = IORESOURCE_MEM,
+ 		},
+-		.irqs = { IRQ_CNS3XXX_PCIE1_RC, IRQ_CNS3XXX_PCIE1_DEVICE, },
++		.irqs = {
++			IRQ_CNS3XXX_PCIE1_RC,
++			IRQ_CNS3XXX_PCIE1_DEVICE,
++			IRQ_CNS3XXX_PCIE1_DEVICE,
++			IRQ_CNS3XXX_PCIE1_DEVICE,
++			IRQ_CNS3XXX_PCIE1_DEVICE,
++		},
+ 		.port = 1,
+ 	},
+ };
+@@ -346,6 +359,14 @@ static int cns3xxx_pcie_abort_handler(un
+ 	return 0;
+ }
+ 
++void __init cns3xxx_pcie_set_irqs(int bus, int *irqs)
++{
++	int i;
++
++	for (i = 0; i < 4; i++)
++		cns3xxx_pcie[bus].irqs[i + 1] = irqs[i];
++}
++
+ void __init cns3xxx_pcie_init_late(void)
+ {
+ 	int i;
+--- a/arch/arm/mach-cns3xxx/core.h
++++ b/arch/arm/mach-cns3xxx/core.h
+@@ -18,8 +18,10 @@ extern void cns3xxx_timer_init(void);
+ 
+ #ifdef CONFIG_PCI
+ extern void __init cns3xxx_pcie_init_late(void);
++extern void __init cns3xxx_pcie_set_irqs(int bus, int *irqs);
+ #else
+ static inline void __init cns3xxx_pcie_init_late(void) {}
++static inline void cns3xxx_pcie_set_irqs(int bus, int *irqs) {}
+ #endif
+ 
+ void __init cns3xxx_map_io(void);

target/linux/cns3xxx/patches-4.14/130-Extend-PCIE_BUS_PEER2PEER-to-set-MRSS-128-to-fix-CNS3xxx-BM-DMA..patch

@@ -0,0 +1,23 @@
+--- a/drivers/pci/probe.c
++++ b/drivers/pci/probe.c
+@@ -2330,7 +2330,8 @@ static void pcie_write_mrrs(struct pci_d
+ 	/* In the "safe" case, do not configure the MRRS.  There appear to be
+ 	 * issues with setting MRRS to 0 on a number of devices.
+ 	 */
+-	if (pcie_bus_config != PCIE_BUS_PERFORMANCE)
++	if (pcie_bus_config != PCIE_BUS_PERFORMANCE &&
++	    pcie_bus_config != PCIE_BUS_PEER2PEER)
+ 		return;
+ 
+ 	/* For Max performance, the MRRS must be set to the largest supported
+--- a/include/linux/pci.h
++++ b/include/linux/pci.h
+@@ -847,7 +847,7 @@ enum pcie_bus_config_types {
+ 	PCIE_BUS_DEFAULT,	/* ensure MPS matches upstream bridge */
+ 	PCIE_BUS_SAFE,		/* use largest MPS boot-time devices support */
+ 	PCIE_BUS_PERFORMANCE,	/* use MPS and MRRS for best performance */
+-	PCIE_BUS_PEER2PEER,	/* set MPS = 128 for all devices */
++	PCIE_BUS_PEER2PEER,	/* set MPS and MRSS to 128 for all devices */
+ };
+ 
+ extern enum pcie_bus_config_types pcie_bus_config;

target/linux/cns3xxx/patches-4.14/200-broadcom_phy_reinit.patch

@@ -0,0 +1,15 @@
+--- a/drivers/net/phy/broadcom.c
++++ b/drivers/net/phy/broadcom.c
+@@ -417,7 +417,11 @@ static int bcm5481_config_aneg(struct ph
+ 	ret = genphy_config_aneg(phydev);
+ 
+ 	/* Then we can set up the delay. */
+-	bcm5481x_config(phydev);
++	//bcm5481x_config(phydev);
++
++	phy_write(phydev, 0x18, 0xf1e7);
++	phy_write(phydev, 0x1c, 0x8e00);
++	phy_write(phydev, 0x1c, 0xa41f);
+ 
+ 	if (of_property_read_bool(np, "enet-phy-lane-swap")) {
+ 		/* Lane Swap - Undocumented register...magic! */

target/linux/cns3xxx/patches-4.14/210-dwc2_defaults.patch

@@ -0,0 +1,63 @@
+--- a/drivers/usb/dwc2/params.c
++++ b/drivers/usb/dwc2/params.c
+@@ -136,6 +136,36 @@ static void dwc2_set_stm32f4x9_fsotg_par
+ 	p->activate_stm_fs_transceiver = true;
+ }
+ 
++static void dwc2_set_cns3xxx_params(struct dwc2_hsotg *hsotg)
++{
++	struct dwc2_core_params *p = &hsotg->params;
++
++	p->otg_cap			= DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE;	/* non-HNP/non-SRP capable */
++	p->host_dma			= 1;
++	p->dma_desc_enable		= 0;
++	p->speed			= DWC2_SPEED_PARAM_HIGH;	/* High Speed */
++	p->enable_dynamic_fifo		= 1;
++	p->en_multiple_tx_fifo		= 1;
++	p->host_rx_fifo_size		= 658;	/* 774 DWORDs */
++	p->host_nperio_tx_fifo_size	= 128;	/* 256 DWORDs */
++	p->host_perio_tx_fifo_size	= 658;	/* 512 DWORDs */
++	p->max_transfer_size		= 65535,
++	p->max_packet_count		= 511;
++	p->host_channels		= 16;
++	p->phy_type			= DWC2_PHY_TYPE_PARAM_UTMI;	/* UTMI */
++	p->phy_utmi_width		= 16;	/* 8 bits */
++	p->phy_ulpi_ddr			= 0;	/* Single */
++	p->phy_ulpi_ext_vbus		= 0;
++	p->i2c_enable			= 0;
++	p->ulpi_fs_ls			= 0;
++	p->host_support_fs_ls_low_power	= 0;
++	p->host_ls_low_power_phy_clk	= 0;	/* 48 MHz */
++	p->ts_dline			= 0;
++	p->reload_ctl			= 0;
++	p->ahbcfg			= 0x10;
++	p->uframe_sched			= false;
++}
++
+ const struct of_device_id dwc2_of_match_table[] = {
+ 	{ .compatible = "brcm,bcm2835-usb", .data = dwc2_set_bcm_params },
+ 	{ .compatible = "hisilicon,hi6220-usb", .data = dwc2_set_his_params  },
+@@ -710,17 +740,23 @@ int dwc2_get_hwparams(struct dwc2_hsotg
+ 
+ int dwc2_init_params(struct dwc2_hsotg *hsotg)
+ {
++	/*
+ 	const struct of_device_id *match;
+ 	void (*set_params)(struct dwc2_hsotg *data);
++	*/
+ 
+ 	dwc2_set_default_params(hsotg);
+ 	dwc2_get_device_properties(hsotg);
+ 
++	/*
+ 	match = of_match_device(dwc2_of_match_table, hsotg->dev);
+ 	if (match && match->data) {
+ 		set_params = match->data;
+ 		set_params(hsotg);
+ 	}
++	*/
++
++	dwc2_set_cns3xxx_params(hsotg);
+ 
+ 	dwc2_check_params(hsotg);
+