ar7: add 3.18 support

this is only compile tested

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44344 3c298f89-4303-0410-b956-a3cf2f4a3e73

13 files changed, 952 insertions, 0 deletions

diff --git a/target/linux/ar7/config-3.18 b/target/linux/ar7/config-3.18
new file mode 100644
index 0000000000..c9e5b0b4aa
--- /dev/null
+++ b/target/linux/ar7/config-3.18
@@ -0,0 +1,131 @@
+CONFIG_ADM6996_PHY=y
+CONFIG_AR7=y
+CONFIG_AR7_GPIO=y
+CONFIG_AR7_TI=y
+# CONFIG_AR7_TYPE_AC49X is not set
+CONFIG_AR7_TYPE_TI=y
+CONFIG_AR7_WDT=y
+CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
+CONFIG_ARCH_DISCARD_MEMBLOCK=y
+CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
+CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
+CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
+CONFIG_BOOT_ELF32=y
+CONFIG_CEVT_R4K=y
+CONFIG_CLONE_BACKWARDS=y
+CONFIG_CMDLINE="rootfstype=squashfs,jffs2"
+CONFIG_CMDLINE_BOOL=y
+# CONFIG_CMDLINE_OVERRIDE is not set
+CONFIG_CPMAC=y
+CONFIG_CPU_GENERIC_DUMP_TLB=y
+CONFIG_CPU_HAS_PREFETCH=y
+CONFIG_CPU_HAS_SYNC=y
+CONFIG_CPU_LITTLE_ENDIAN=y
+CONFIG_CPU_MIPS32=y
+CONFIG_CPU_MIPS32_R1=y
+CONFIG_CPU_MIPSR1=y
+CONFIG_CPU_R4K_CACHE_TLB=y
+CONFIG_CPU_R4K_FPU=y
+CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_CPU_SUPPORTS_HIGHMEM=y
+CONFIG_CSRC_R4K=y
+CONFIG_DMA_NONCOHERENT=y
+CONFIG_EARLY_PRINTK=y
+CONFIG_ETHERNET_PACKET_MANGLE=y
+CONFIG_FIXED_PHY=y
+CONFIG_GENERIC_ATOMIC64=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_GENERIC_CMOS_UPDATE=y
+CONFIG_GENERIC_IO=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_GENERIC_SMP_IDLE_THREAD=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_DEVRES=y
+CONFIG_HARDWARE_WATCHPOINTS=y
+CONFIG_HAS_DMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
+CONFIG_HAVE_ARCH_JUMP_LABEL=y
+CONFIG_HAVE_ARCH_KGDB=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
+CONFIG_HAVE_CC_STACKPROTECTOR=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_CONTEXT_TRACKING=y
+CONFIG_HAVE_C_RECORDMCOUNT=y
+CONFIG_HAVE_DEBUG_KMEMLEAK=y
+CONFIG_HAVE_DEBUG_STACKOVERFLOW=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+CONFIG_HAVE_DMA_ATTRS=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_HAVE_IDE=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZ4=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_HAVE_KERNEL_XZ=y
+CONFIG_HAVE_MEMBLOCK=y
+CONFIG_HAVE_MEMBLOCK_NODE_MAP=y
+CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
+CONFIG_HAVE_NET_DSA=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
+CONFIG_HW_RANDOM=y
+CONFIG_HZ_PERIODIC=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_IP17XX_PHY=y
+CONFIG_IRQ_CPU=y
+CONFIG_IRQ_FORCED_THREADING=y
+CONFIG_IRQ_WORK=y
+CONFIG_KALLSYMS=y
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_MDIO_BOARDINFO=y
+CONFIG_MIPS=y
+# CONFIG_MIPS_HUGE_TLB_SUPPORT is not set
+CONFIG_MIPS_L1_CACHE_SHIFT=5
+# CONFIG_MIPS_MACHINE is not set
+CONFIG_MIPS_MT_DISABLED=y
+# CONFIG_MIPS_O32_FP64_SUPPORT is not set
+CONFIG_MODULES_USE_ELF_REL=y
+# CONFIG_MTD_AC49X_PARTS is not set
+CONFIG_MTD_CFI_STAA=y
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MVSWITCH_PHY=y
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_NEED_PER_CPU_KM=y
+CONFIG_NO_EXCEPT_FILL=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_PERF_USE_VMALLOC=y
+CONFIG_PHYLIB=y
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_RCU_STALL_COMMON is not set
+# CONFIG_SCSI_DMA is not set
+CONFIG_SWAP_IO_SPACE=y
+CONFIG_SWCONFIG=y
+CONFIG_SYS_HAS_CPU_MIPS32_R1=y
+CONFIG_SYS_HAS_EARLY_PRINTK=y
+CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
+CONFIG_SYS_SUPPORTS_ZBOOT=y
+CONFIG_SYS_SUPPORTS_ZBOOT_UART16550=y
+CONFIG_TICK_CPU_ACCOUNTING=y
+CONFIG_VLYNQ=y
+# CONFIG_VLYNQ_DEBUG is not set
+CONFIG_ZONE_DMA_FLAG=0
diff --git a/target/linux/ar7/patches-3.18/001-mips-ar7-fix-serial.patch b/target/linux/ar7/patches-3.18/001-mips-ar7-fix-serial.patch
new file mode 100644
index 0000000000..6896352266
--- /dev/null
+++ b/target/linux/ar7/patches-3.18/001-mips-ar7-fix-serial.patch
@@ -0,0 +1,23 @@
+From 443ab715a40881d6c9ba11b027ba154bac904cb0 Mon Sep 17 00:00:00 2001
+From: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
+Date: Sat, 10 May 2014 23:19:08 +0200
+Subject: [PATCH] MIPS/AR7: ensure that serial ports are properly set up
+
+without UPF_FIXED_TYPE, the data from the PORT_AR7 uart_config entry is
+never copied, resulting in a dead port.
+
+Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
+---
+ arch/mips/ar7/platform.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/arch/mips/ar7/platform.c
++++ b/arch/mips/ar7/platform.c
+@@ -581,6 +581,7 @@ static int __init ar7_register_uarts(voi
+ 	uart_port.type		= PORT_AR7;
+ 	uart_port.uartclk	= clk_get_rate(bus_clk) / 2;
+ 	uart_port.iotype	= UPIO_MEM32;
++	uart_port.flags		= UPF_FIXED_TYPE;
+ 	uart_port.regshift	= 2;
+ 
+ 	uart_port.line		= 0;
diff --git a/target/linux/ar7/patches-3.18/110-flash.patch b/target/linux/ar7/patches-3.18/110-flash.patch
new file mode 100644
index 0000000000..e12eec5f7d
--- /dev/null
+++ b/target/linux/ar7/patches-3.18/110-flash.patch
@@ -0,0 +1,22 @@
+--- a/drivers/mtd/Makefile
++++ b/drivers/mtd/Makefile
+@@ -16,7 +16,7 @@ obj-$(CONFIG_MTD_OF_PARTS)	+= ofpart.o
+ obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o
+ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdlinepart.o
+ obj-$(CONFIG_MTD_AFS_PARTS)	+= afs.o
+-obj-$(CONFIG_MTD_AR7_PARTS)	+= ar7part.o
++obj-$(CONFIG_MTD_AR7_PARTS)	+= ar7part.o titanpart.o
+ obj-$(CONFIG_MTD_BCM63XX_PARTS)	+= bcm63xxpart.o
+ obj-$(CONFIG_MTD_BCM47XX_PARTS)	+= bcm47xxpart.o
+ obj-$(CONFIG_MTD_MYLOADER_PARTS) += myloader.o
+--- a/arch/mips/ar7/platform.c
++++ b/arch/mips/ar7/platform.c
+@@ -199,7 +199,7 @@ static struct resource physmap_flash_res
+ 	.name	= "mem",
+ 	.flags	= IORESOURCE_MEM,
+ 	.start	= 0x10000000,
+-	.end	= 0x107fffff,
++	.end	= 0x11ffffff,
+ };
+ 
+ static const char *ar7_probe_types[] = { "ar7part", NULL };
diff --git a/target/linux/ar7/patches-3.18/120-gpio_chrdev.patch b/target/linux/ar7/patches-3.18/120-gpio_chrdev.patch
new file mode 100644
index 0000000000..beb0052ca1
--- /dev/null
+++ b/target/linux/ar7/patches-3.18/120-gpio_chrdev.patch
@@ -0,0 +1,28 @@
+--- a/drivers/char/Kconfig
++++ b/drivers/char/Kconfig
+@@ -452,6 +452,15 @@ config MWAVE
+ 	  To compile this driver as a module, choose M here: the
+ 	  module will be called mwave.
+ 
++config AR7_GPIO
++	tristate "TI AR7 GPIO Support"
++	depends on AR7
++	help
++	  Give userspace access to the GPIO pins on the Texas Instruments AR7
++	  processors.
++
++	  If compiled as a module, it will be called ar7_gpio.
++
+ config SCx200_GPIO
+ 	tristate "NatSemi SCx200 GPIO Support"
+ 	depends on SCx200
+--- a/drivers/char/Makefile
++++ b/drivers/char/Makefile
+@@ -42,6 +42,7 @@ obj-$(CONFIG_HW_RANDOM)		+= hw_random/
+ obj-$(CONFIG_PPDEV)		+= ppdev.o
+ obj-$(CONFIG_NWBUTTON)		+= nwbutton.o
+ obj-$(CONFIG_NWFLASH)		+= nwflash.o
++obj-$(CONFIG_AR7_GPIO)		+= ar7_gpio.o
+ obj-$(CONFIG_SCx200_GPIO)	+= scx200_gpio.o
+ obj-$(CONFIG_PC8736x_GPIO)	+= pc8736x_gpio.o
+ obj-$(CONFIG_NSC_GPIO)		+= nsc_gpio.o
diff --git a/target/linux/ar7/patches-3.18/160-vlynq_try_remote_first.patch b/target/linux/ar7/patches-3.18/160-vlynq_try_remote_first.patch
new file mode 100644
index 0000000000..841eb2307b
--- /dev/null
+++ b/target/linux/ar7/patches-3.18/160-vlynq_try_remote_first.patch
@@ -0,0 +1,300 @@
+--- a/drivers/vlynq/vlynq.c
++++ b/drivers/vlynq/vlynq.c
+@@ -119,20 +119,40 @@ static int vlynq_linked(struct vlynq_dev
+ 	return 0;
+ }
+ 
++static volatile int vlynq_delay_value_new = 0;
++
++static void vlynq_delay_wait(u32 count)
++{
++	/* Code adopted from original vlynq driver */
++	int i = 0;
++	volatile int *ptr = &vlynq_delay_value_new;
++	*ptr = 0;
++
++	/* We are assuming that the each cycle takes about
++	 * 23 assembly instructions. */
++	for(i = 0; i < (count + 23)/23; i++)
++		*ptr = *ptr + 1;
++}
++
+ static void vlynq_reset(struct vlynq_device *dev)
+ {
++	u32 rtm = readl(&dev->local->revision);
++
++	rtm = rtm < 0x00010205 || readl(&dev->local->status) & 0x800 == 0 ?
++			0 : 0x600000;
++
+ 	writel(readl(&dev->local->control) | VLYNQ_CTRL_RESET,
+ 			&dev->local->control);
+ 
+ 	/* Wait for the devices to finish resetting */
+-	msleep(5);
++	vlynq_delay_wait(0xffffff);
+ 
+ 	/* Remove reset bit */
+-	writel(readl(&dev->local->control) & ~VLYNQ_CTRL_RESET,
++	writel(readl(&dev->local->control) & ~VLYNQ_CTRL_RESET | rtm,
+ 			&dev->local->control);
+ 
+ 	/* Give some time for the devices to settle */
+-	msleep(5);
++	vlynq_delay_wait(0xffffff);
+ }
+ 
+ static void vlynq_irq_unmask(struct irq_data *d)
+@@ -379,6 +399,61 @@ void vlynq_unregister_driver(struct vlyn
+ }
+ EXPORT_SYMBOL(vlynq_unregister_driver);
+ 
++enum vlynq_clk_src {
++	vlynq_clk_external,
++	vlynq_clk_local,
++	vlynq_clk_remote,
++	vlynq_clk_invalid,
++};
++
++static int __vlynq_set_clocks(struct vlynq_device *dev,
++				enum vlynq_clk_src clk_dir,
++				int lclk_div, int rclk_div)
++{
++	u32 reg;
++
++	if (clk_dir == vlynq_clk_invalid) {
++		printk(KERN_ERR "%s: attempt to set invalid clocking\n",
++				dev_name(&dev->dev));
++		return -EINVAL;
++	}
++
++	reg = readl(&dev->local->control);
++	if (readl(&dev->local->revision) < 0x00010205) {
++		if (clk_dir & vlynq_clk_local)
++			reg |= VLYNQ_CTRL_CLOCK_INT;
++		else
++			reg &= ~VLYNQ_CTRL_CLOCK_INT;
++	}
++	reg &= ~VLYNQ_CTRL_CLOCK_MASK;
++	reg |= VLYNQ_CTRL_CLOCK_DIV(lclk_div);
++	writel(reg, &dev->local->control);
++
++	if (!vlynq_linked(dev))
++		return -ENODEV;
++
++	printk(KERN_INFO "%s: local VLYNQ protocol rev. is 0x%08x\n",
++			dev_name(&dev->dev), readl(&dev->local->revision));
++	printk(KERN_INFO "%s: remote VLYNQ protocol rev. is 0x%08x\n",
++			dev_name(&dev->dev), readl(&dev->remote->revision));
++
++	reg = readl(&dev->remote->control);
++	if (readl(&dev->remote->revision) < 0x00010205) {
++		if (clk_dir & vlynq_clk_remote)
++			reg |= VLYNQ_CTRL_CLOCK_INT;
++		else
++			reg &= ~VLYNQ_CTRL_CLOCK_INT;
++	}
++	reg &= ~VLYNQ_CTRL_CLOCK_MASK;
++	reg |= VLYNQ_CTRL_CLOCK_DIV(rclk_div);
++	writel(reg, &dev->remote->control);
++
++	if (!vlynq_linked(dev))
++		return -ENODEV;
++
++	return 0;
++}
++
+ /*
+  * A VLYNQ remote device can clock the VLYNQ bus master
+  * using a dedicated clock line. In that case, both the
+@@ -392,29 +467,16 @@ static int __vlynq_try_remote(struct vly
+ 	int i;
+ 
+ 	vlynq_reset(dev);
+-	for (i = dev->dev_id ? vlynq_rdiv2 : vlynq_rdiv8; dev->dev_id ?
+-			i <= vlynq_rdiv8 : i >= vlynq_rdiv2;
+-		dev->dev_id ? i++ : i--) {
++	for (i = 0; i <= 7; i++) {
+ 
+ 		if (!vlynq_linked(dev))
+ 			break;
+ 
+-		writel((readl(&dev->remote->control) &
+-				~VLYNQ_CTRL_CLOCK_MASK) |
+-				VLYNQ_CTRL_CLOCK_INT |
+-				VLYNQ_CTRL_CLOCK_DIV(i - vlynq_rdiv1),
+-				&dev->remote->control);
+-		writel((readl(&dev->local->control)
+-				& ~(VLYNQ_CTRL_CLOCK_INT |
+-				VLYNQ_CTRL_CLOCK_MASK)) |
+-				VLYNQ_CTRL_CLOCK_DIV(i - vlynq_rdiv1),
+-				&dev->local->control);
+-
+-		if (vlynq_linked(dev)) {
+-			printk(KERN_DEBUG
+-				"%s: using remote clock divisor %d\n",
+-				dev_name(&dev->dev), i - vlynq_rdiv1 + 1);
+-			dev->divisor = i;
++		if (!__vlynq_set_clocks(dev, vlynq_clk_remote, i, i)) {
++			printk(KERN_INFO
++					"%s: using remote clock divisor %d\n",
++					dev_name(&dev->dev), i + 1);
++			dev->divisor = i + vlynq_rdiv1;
+ 			return 0;
+ 		} else {
+ 			vlynq_reset(dev);
+@@ -433,25 +495,17 @@ static int __vlynq_try_remote(struct vly
+  */
+ static int __vlynq_try_local(struct vlynq_device *dev)
+ {
+-	int i;
++	int i, dir = !dev->dev_id;
+ 
+ 	vlynq_reset(dev);
+ 
+-	for (i = dev->dev_id ? vlynq_ldiv2 : vlynq_ldiv8; dev->dev_id ?
+-			i <= vlynq_ldiv8 : i >= vlynq_ldiv2;
+-		dev->dev_id ? i++ : i--) {
+-
+-		writel((readl(&dev->local->control) &
+-				~VLYNQ_CTRL_CLOCK_MASK) |
+-				VLYNQ_CTRL_CLOCK_INT |
+-				VLYNQ_CTRL_CLOCK_DIV(i - vlynq_ldiv1),
+-				&dev->local->control);
+-
+-		if (vlynq_linked(dev)) {
+-			printk(KERN_DEBUG
+-				"%s: using local clock divisor %d\n",
+-				dev_name(&dev->dev), i - vlynq_ldiv1 + 1);
+-			dev->divisor = i;
++	for (i = dir ? 7 : 0; dir ? i >= 0 : i <= 7; dir ? i-- : i++) {
++
++		if (!__vlynq_set_clocks(dev, vlynq_clk_local, i, 0)) {
++			printk(KERN_INFO
++					"%s: using local clock divisor %d\n",
++					dev_name(&dev->dev), i + 1);
++			dev->divisor = i + vlynq_ldiv1;
+ 			return 0;
+ 		} else {
+ 			vlynq_reset(dev);
+@@ -473,18 +527,10 @@ static int __vlynq_try_external(struct v
+ 	if (!vlynq_linked(dev))
+ 		return -ENODEV;
+ 
+-	writel((readl(&dev->remote->control) &
+-			~VLYNQ_CTRL_CLOCK_INT),
+-			&dev->remote->control);
+-
+-	writel((readl(&dev->local->control) &
+-			~VLYNQ_CTRL_CLOCK_INT),
+-			&dev->local->control);
+-
+-	if (vlynq_linked(dev)) {
+-		printk(KERN_DEBUG "%s: using external clock\n",
+-			dev_name(&dev->dev));
+-			dev->divisor = vlynq_div_external;
++	if (!__vlynq_set_clocks(dev, vlynq_clk_external, 0, 0)) {
++		printk(KERN_INFO "%s: using external clock\n",
++				dev_name(&dev->dev));
++				dev->divisor = vlynq_div_external;
+ 		return 0;
+ 	}
+ 
+@@ -501,24 +547,16 @@ static int __vlynq_enable_device(struct 
+ 		return result;
+ 
+ 	switch (dev->divisor) {
+-	case vlynq_div_external:
+ 	case vlynq_div_auto:
+ 		/* When the device is brought from reset it should have clock
+ 		 * generation negotiated by hardware.
+ 		 * Check which device is generating clocks and perform setup
+ 		 * accordingly */
+-		if (vlynq_linked(dev) && readl(&dev->remote->control) &
+-		   VLYNQ_CTRL_CLOCK_INT) {
+-			if (!__vlynq_try_remote(dev) ||
+-				!__vlynq_try_local(dev)  ||
+-				!__vlynq_try_external(dev))
+-				return 0;
+-		} else {
+-			if (!__vlynq_try_external(dev) ||
+-				!__vlynq_try_local(dev)    ||
+-				!__vlynq_try_remote(dev))
+-				return 0;
+-		}
++		if (!__vlynq_try_remote(dev) || !__vlynq_try_local(dev))
++			return 0;
++	case vlynq_div_external:
++		if (!__vlynq_try_external(dev))
++			return 0;
+ 		break;
+ 	case vlynq_ldiv1:
+ 	case vlynq_ldiv2:
+@@ -528,15 +566,12 @@ static int __vlynq_enable_device(struct 
+ 	case vlynq_ldiv6:
+ 	case vlynq_ldiv7:
+ 	case vlynq_ldiv8:
+-		writel(VLYNQ_CTRL_CLOCK_INT |
+-			VLYNQ_CTRL_CLOCK_DIV(dev->divisor -
+-			vlynq_ldiv1), &dev->local->control);
+-		writel(0, &dev->remote->control);
+-		if (vlynq_linked(dev)) {
+-			printk(KERN_DEBUG
+-				"%s: using local clock divisor %d\n",
+-				dev_name(&dev->dev),
+-				dev->divisor - vlynq_ldiv1 + 1);
++		if (!__vlynq_set_clocks(dev, vlynq_clk_local, dev->divisor -
++				vlynq_ldiv1, 0)) {
++			printk(KERN_INFO
++					"%s: using local clock divisor %d\n",
++					dev_name(&dev->dev),
++					dev->divisor - vlynq_ldiv1 + 1);
+ 			return 0;
+ 		}
+ 		break;
+@@ -548,20 +583,17 @@ static int __vlynq_enable_device(struct 
+ 	case vlynq_rdiv6:
+ 	case vlynq_rdiv7:
+ 	case vlynq_rdiv8:
+-		writel(0, &dev->local->control);
+-		writel(VLYNQ_CTRL_CLOCK_INT |
+-			VLYNQ_CTRL_CLOCK_DIV(dev->divisor -
+-			vlynq_rdiv1), &dev->remote->control);
+-		if (vlynq_linked(dev)) {
+-			printk(KERN_DEBUG
+-				"%s: using remote clock divisor %d\n",
+-				dev_name(&dev->dev),
+-				dev->divisor - vlynq_rdiv1 + 1);
++		if (!__vlynq_set_clocks(dev, vlynq_clk_remote, 0,
++				dev->divisor - vlynq_rdiv1)) {
++			printk(KERN_INFO
++					"%s: using remote clock divisor %d\n",
++					dev_name(&dev->dev),
++					dev->divisor - vlynq_rdiv1 + 1);
+ 			return 0;
+ 		}
+ 		break;
+ 	}
+-
++	vlynq_reset(dev);
+ 	ops->off(dev);
+ 	return -ENODEV;
+ }
+@@ -732,14 +764,14 @@ static int vlynq_probe(struct platform_d
+ 	platform_set_drvdata(pdev, dev);
+ 
+ 	printk(KERN_INFO "%s: regs 0x%p, irq %d, mem 0x%p\n",
+-	       dev_name(&dev->dev), (void *)dev->regs_start, dev->irq,
+-	       (void *)dev->mem_start);
++			dev_name(&dev->dev), (void *)dev->regs_start,
++			dev->irq, (void *)dev->mem_start);
+ 
+ 	dev->dev_id = 0;
+ 	dev->divisor = vlynq_div_auto;
+-	result = __vlynq_enable_device(dev);
+-	if (result == 0) {
++	if (!__vlynq_enable_device(dev)) {
+ 		dev->dev_id = readl(&dev->remote->chip);
++		vlynq_reset(dev);
+ 		((struct plat_vlynq_ops *)(dev->dev.platform_data))->off(dev);
+ 	}
+ 	if (dev->dev_id)
diff --git a/target/linux/ar7/patches-3.18/200-free-mem-below-kernel-offset.patch b/target/linux/ar7/patches-3.18/200-free-mem-below-kernel-offset.patch
new file mode 100644
index 0000000000..4011942d79
--- /dev/null
+++ b/target/linux/ar7/patches-3.18/200-free-mem-below-kernel-offset.patch
@@ -0,0 +1,15 @@
+--- a/arch/mips/ar7/memory.c
++++ b/arch/mips/ar7/memory.c
+@@ -66,5 +66,11 @@ void __init prom_meminit(void)
+ 
+ void __init prom_free_prom_memory(void)
+ {
+-	/* Nothing to free */
++	/* adapted from arch/mips/txx9/generic/setup.c */
++	unsigned long saddr = PHYS_OFFSET + PAGE_SIZE;
++	unsigned long eaddr = __pa_symbol(&_text);
++
++	/* free memory between prom-record and kernel _text base */
++	if (saddr < eaddr)
++		free_init_pages("prom memory", saddr, eaddr);
+ }
diff --git a/target/linux/ar7/patches-3.18/300-add-ac49x-platform.patch b/target/linux/ar7/patches-3.18/300-add-ac49x-platform.patch
new file mode 100644
index 0000000000..92bd4f3b8c
--- /dev/null
+++ b/target/linux/ar7/patches-3.18/300-add-ac49x-platform.patch
@@ -0,0 +1,85 @@
+--- a/arch/mips/ar7/Platform
++++ b/arch/mips/ar7/Platform
+@@ -3,4 +3,9 @@
+ #
+ platform-$(CONFIG_AR7)		+= ar7/
+ cflags-$(CONFIG_AR7)		+= -I$(srctree)/arch/mips/include/asm/mach-ar7
+-load-$(CONFIG_AR7)		+= 0xffffffff94100000
++load-$(CONFIG_AR7_TI)		+= 0xffffffff94100000
++
++#
++# AudioCodes AC49x
++#
++load-$(CONFIG_AR7_AC49X)	+= 0xffffffff945ca000
+--- a/arch/mips/ar7/setup.c
++++ b/arch/mips/ar7/setup.c
+@@ -69,6 +69,10 @@ const char *get_system_type(void)
+ 			return "TI AR7 (TNETV1056)";
+ 		case TITAN_CHIP_1060:
+ 			return "TI AR7 (TNETV1060)";
++		case TITAN_CHIP_AC495:
++			return "AudioCodes AC495";
++		case TITAN_CHIP_AC496:
++			return "AudioCodes AC496";
+ 		}
+ 	default:
+ 		return "TI AR7 (unknown)";
+--- a/arch/mips/include/asm/mach-ar7/ar7.h
++++ b/arch/mips/include/asm/mach-ar7/ar7.h
+@@ -92,6 +92,8 @@
+ #define TITAN_CHIP_1055 0x0e
+ #define TITAN_CHIP_1056 0x0d
+ #define TITAN_CHIP_1060 0x07
++#define TITAN_CHIP_AC495	0x00
++#define TITAN_CHIP_AC496	0x02
+ 
+ /* Interrupts */
+ #define AR7_IRQ_UART0	15
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -89,7 +89,7 @@ config AR7
+ 	select HAVE_CLK
+ 	help
+ 	  Support for the Texas Instruments AR7 System-on-a-Chip
+-	  family: TNETD7100, 7200 and 7300.
++	  family: TI TNETD7100, 7200, 7300 and AudioCodes AC49x.
+ 
+ config ATH79
+ 	bool "Atheros AR71XX/AR724X/AR913X based boards"
+@@ -796,6 +796,7 @@ config NLM_XLP_BOARD
+ endchoice
+ 
+ source "arch/mips/alchemy/Kconfig"
++source "arch/mips/ar7/Kconfig"
+ source "arch/mips/ath79/Kconfig"
+ source "arch/mips/bcm47xx/Kconfig"
+ source "arch/mips/bcm63xx/Kconfig"
+--- /dev/null
++++ b/arch/mips/ar7/Kconfig
+@@ -0,0 +1,26 @@
++if AR7
++
++config AR7_TI
++	bool
++
++config AR7_AC49X
++	bool
++
++choice
++	prompt "AR7 SoC family selection"
++	default AR7_TYPE_TI
++	depends on AR7
++	help
++	  Select AR7 MIPS SoC implementation.
++
++	config AR7_TYPE_TI
++		bool "Texas Instruments AR7"
++		select AR7_TI
++
++	config AR7_TYPE_AC49X
++		bool "AudioCodes AC49X"
++		select AR7_AC49X
++
++endchoice
++
++endif
diff --git a/target/linux/ar7/patches-3.18/310-ac49x-prom-support.patch b/target/linux/ar7/patches-3.18/310-ac49x-prom-support.patch
new file mode 100644
index 0000000000..dddf22106a
--- /dev/null
+++ b/target/linux/ar7/patches-3.18/310-ac49x-prom-support.patch
@@ -0,0 +1,20 @@
+--- a/arch/mips/ar7/prom.c
++++ b/arch/mips/ar7/prom.c
+@@ -70,6 +70,7 @@ struct psbl_rec {
+ };
+ 
+ static const char psp_env_version[] __initconst = "TIENV0.8";
++static const char psp_env_version_ac49x[] __initconst = "MaxENV0.2";
+ 
+ struct psp_env_chunk {
+ 	u8	num;
+@@ -186,7 +187,8 @@ static void __init ar7_init_env(struct e
+ 	struct psbl_rec *psbl = (struct psbl_rec *)(KSEG1ADDR(0x14000300));
+ 	void *psp_env = (void *)KSEG1ADDR(psbl->env_base);
+ 
+-	if (strcmp(psp_env, psp_env_version) == 0) {
++	if (strcmp(psp_env, psp_env_version) == 0 ||
++	    strcmp(psp_env, psp_env_version_ac49x) == 0) {
+ 		parse_psp_env(psp_env);
+ 	} else {
+ 		for (i = 0; i < MAX_ENTRY; i++, env++)
diff --git a/target/linux/ar7/patches-3.18/320-ac49x-mtd-partitions.patch b/target/linux/ar7/patches-3.18/320-ac49x-mtd-partitions.patch
new file mode 100644
index 0000000000..e6b08d669a
--- /dev/null
+++ b/target/linux/ar7/patches-3.18/320-ac49x-mtd-partitions.patch
@@ -0,0 +1,35 @@
+--- a/drivers/mtd/Kconfig
++++ b/drivers/mtd/Kconfig
+@@ -169,6 +169,11 @@ config MTD_OF_PARTS
+ 	  the partition map from the children of the flash node,
+ 	  as described in Documentation/devicetree/booting-without-of.txt.
+ 
++config MTD_AC49X_PARTS
++	tristate "AudioCodes AC49X partitioning support"
++	---help---
++	  AudioCodes AC49X partitioning support
++
+ config MTD_AR7_PARTS
+ 	tristate "TI AR7 partitioning support"
+ 	---help---
+--- a/drivers/mtd/Makefile
++++ b/drivers/mtd/Makefile
+@@ -15,6 +15,7 @@ mtd-$(CONFIG_MTD_SPLIT_LZMA_FW) += mtdsp
+ obj-$(CONFIG_MTD_OF_PARTS)	+= ofpart.o
+ obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o
+ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdlinepart.o
++obj-$(CONFIG_MTD_AC49X_PARTS)	+= ac49xpart.o
+ obj-$(CONFIG_MTD_AFS_PARTS)	+= afs.o
+ obj-$(CONFIG_MTD_AR7_PARTS)	+= ar7part.o titanpart.o
+ obj-$(CONFIG_MTD_BCM63XX_PARTS)	+= bcm63xxpart.o
+--- a/arch/mips/ar7/platform.c
++++ b/arch/mips/ar7/platform.c
+@@ -202,7 +202,7 @@ static struct resource physmap_flash_res
+ 	.end	= 0x11ffffff,
+ };
+ 
+-static const char *ar7_probe_types[] = { "ar7part", NULL };
++static const char *ar7_probe_types[] = { "ac49xpart", "ar7part", NULL };
+ 
+ static struct physmap_flash_data physmap_flash_data = {
+ 	.width	= 2,
diff --git a/target/linux/ar7/patches-3.18/500-serial_kludge.patch b/target/linux/ar7/patches-3.18/500-serial_kludge.patch
new file mode 100644
index 0000000000..e5d5a914a3
--- /dev/null
+++ b/target/linux/ar7/patches-3.18/500-serial_kludge.patch
@@ -0,0 +1,28 @@
+--- a/drivers/tty/serial/8250/8250_core.c
++++ b/drivers/tty/serial/8250/8250_core.c
+@@ -323,6 +323,13 @@ static const struct serial8250_config ua
+ 		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+ 		.flags		= UART_CAP_FIFO | UART_CAP_AFE,
+ 	},
++	[PORT_AR7] = {
++		.name		= "TI-AR7",
++		.fifo_size	= 16,
++		.tx_loadsz	= 16,
++		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_00,
++		.flags		= UART_CAP_FIFO | UART_CAP_AFE,
++	},
+ };
+ 
+ /* Uart divisor latch read */
+@@ -2861,7 +2868,11 @@ static void serial8250_console_putchar(s
+ 	struct uart_8250_port *up =
+ 		container_of(port, struct uart_8250_port, port);
+ 
++#ifdef CONFIG_AR7
++	wait_for_xmitr(up, BOTH_EMPTY);
++#else
+ 	wait_for_xmitr(up, UART_LSR_THRE);
++#endif
+ 	serial_port_out(port, UART_TX, ch);
+ }
+ 
diff --git a/target/linux/ar7/patches-3.18/920-ar7part.patch b/target/linux/ar7/patches-3.18/920-ar7part.patch
new file mode 100644
index 0000000000..84f68d82ab
--- /dev/null
+++ b/target/linux/ar7/patches-3.18/920-ar7part.patch
@@ -0,0 +1,118 @@
+--- a/drivers/mtd/ar7part.c
++++ b/drivers/mtd/ar7part.c
+@@ -30,11 +30,14 @@
+ 
+ #include <uapi/linux/magic.h>
+ 
++#include <asm/mach-ar7/prom.h>
++
+ #define AR7_PARTS	4
+ #define ROOT_OFFSET	0xe0000
+ 
+ #define LOADER_MAGIC1	le32_to_cpu(0xfeedfa42)
+ #define LOADER_MAGIC2	le32_to_cpu(0xfeed1281)
++#define LOADER_MAGIC3	le32_to_cpu(0x434d4d4c)
+ 
+ struct ar7_bin_rec {
+ 	unsigned int checksum;
+@@ -42,12 +45,16 @@ struct ar7_bin_rec {
+ 	unsigned int address;
+ };
+ 
++int create_titan_partitions(struct mtd_info *master,
++        struct mtd_partition **pparts,
++        struct mtd_part_parser_data *data);
++
+ static int create_mtd_partitions(struct mtd_info *master,
+ 				 struct mtd_partition **pparts,
+ 				 struct mtd_part_parser_data *data)
+ {
+ 	struct ar7_bin_rec header;
+-	unsigned int offset;
++	unsigned int offset, mtd_start, mtd_end;
+ 	size_t len;
+ 	unsigned int pre_size = master->erasesize, post_size = 0;
+ 	unsigned int root_offset = ROOT_OFFSET;
+@@ -55,6 +62,16 @@ static int create_mtd_partitions(struct 
+ 	int retries = 10;
+ 	struct mtd_partition *ar7_parts;
+ 
++	const char *prom_str = prom_getenv("ProductID");
++	char mtd_name[] = "mtd1";
++	if(prom_str &&
++		(strcmp(prom_str, "CYWL")==0 ||
++		strcmp(prom_str, "CYWM")==0 ||
++		strcmp(prom_str, "CYLM")==0 ||
++		strcmp(prom_str, "CYLL")==0)){
++		return create_titan_partitions(master, pparts, data);
++	}
++
+ 	ar7_parts = kzalloc(sizeof(*ar7_parts) * AR7_PARTS, GFP_KERNEL);
+ 	if (!ar7_parts)
+ 		return -ENOMEM;
+@@ -83,34 +100,39 @@ static int create_mtd_partitions(struct 
+ 
+ 	pre_size = offset;
+ 
+-	if (!ar7_parts[1].offset) {
+-		ar7_parts[1].offset = master->size - master->erasesize;
+-		post_size = master->erasesize;
+-	}
+-
+ 	switch (header.checksum) {
+-	case LOADER_MAGIC1:
+-		while (header.length) {
+-			offset += sizeof(header) + header.length;
+-			mtd_read(master, offset, sizeof(header), &len,
+-				 (uint8_t *)&header);
+-		}
+-		root_offset = offset + sizeof(header) + 4;
+-		break;
+ 	case LOADER_MAGIC2:
++		for (retries = 0; retries <= 9; retries++) {
++			mtd_name[3] = '0' + retries;
++			prom_str = prom_getenv(mtd_name);
++			if (prom_str == NULL)
++				continue;
++			sscanf(prom_str, "%i,%i", &mtd_start, &mtd_end);
++			if (pre_size == (mtd_start & 0x1ffffff)) {
++				ar7_parts[1].offset = mtd_end &= 0x1ffffff;
++				ar7_parts[1].size = post_size = master->size - mtd_end;
++				break;
++			}
++		}
++	case LOADER_MAGIC1:
++		root_offset = (header.checksum == LOADER_MAGIC1) ? 4 : 0;
+ 		while (header.length) {
+ 			offset += sizeof(header) + header.length;
+ 			mtd_read(master, offset, sizeof(header), &len,
+ 				 (uint8_t *)&header);
+ 		}
+-		root_offset = offset + sizeof(header) + 4 + 0xff;
+-		root_offset &= ~(uint32_t)0xff;
++		root_offset += offset + sizeof(header);
+ 		break;
+ 	default:
+ 		printk(KERN_WARNING "Unknown magic: %08x\n", header.checksum);
+ 		break;
+ 	}
+ 
++	if (!ar7_parts[1].offset) {
++		post_size = master->erasesize;
++		ar7_parts[1].offset = master->size - post_size;
++	}
++
+ 	mtd_read(master, root_offset, sizeof(header), &len, (u8 *)&header);
+ 	if (header.checksum != SQUASHFS_MAGIC) {
+ 		root_offset += master->erasesize - 1;
+--- a/drivers/mtd/titanpart.c
++++ b/drivers/mtd/titanpart.c
+@@ -149,7 +149,7 @@ static void titan_add_partition(char * e
+ }
+ int create_titan_partitions(struct mtd_info *master,
+ 	struct mtd_partition **pparts,
+-	unsigned long origin)
++	struct mtd_part_parser_data *data)
+ {
+ 	struct nsp_img_hdr_head		hdr;
+ 	struct nsp_img_hdr_section_info	sect_info;
diff --git a/target/linux/ar7/patches-3.18/925-actiontec_leds.patch b/target/linux/ar7/patches-3.18/925-actiontec_leds.patch
new file mode 100644
index 0000000000..41af2cb54f
--- /dev/null
+++ b/target/linux/ar7/patches-3.18/925-actiontec_leds.patch
@@ -0,0 +1,95 @@
+--- a/arch/mips/ar7/platform.c
++++ b/arch/mips/ar7/platform.c
+@@ -465,31 +465,22 @@ static struct gpio_led fb_fon_leds[] = {
+ 	},
+ };
+ 
+-static struct gpio_led gt701_leds[] = {
++static struct gpio_led actiontec_leds[] = {
+ 	{
+ 		.name			= "inet:green",
+ 		.gpio			= 13,
+-		.active_low		= 1,
+-	},
+-	{
+-		.name			= "usb",
+-		.gpio			= 12,
+-		.active_low		= 1,
+ 	},
+ 	{
+ 		.name			= "inet:red",
+ 		.gpio			= 9,
+-		.active_low		= 1,
+ 	},
+ 	{
+-		.name			= "power:red",
++		.name			= "power:green",
+ 		.gpio			= 7,
+-		.active_low		= 1,
+ 	},
+ 	{
+-		.name			= "power:green",
++		.name			= "power:red",
+ 		.gpio			= 8,
+-		.active_low		= 1,
+ 		.default_trigger	= "default-on",
+ 	},
+ 	{
+@@ -497,6 +488,44 @@ static struct gpio_led gt701_leds[] = {
+ 		.gpio			= 10,
+ 		.active_low		= 1,
+ 	},
++	{
++		.name			= "wifi",
++		.gpio			= 6,
++		.active_low		= 1,
++	},
++	{
++		.name			= "wifi:red",
++		.gpio			= 3,
++	},
++	{
++		.name			= "standby",
++		.gpio			= 4,
++	},
++	{
++		.name			= "wps",
++		.gpio			= 16,
++		.active_low		= 1,
++	},
++	{
++		.name			= "usb",
++		.gpio			= 12,
++		.active_low		= 1,
++	},
++	{
++		.name			= "voip",
++		.gpio			= 15,
++		.active_low		= 1,
++        },
++        {
++                .name			= "line1",
++                .gpio			= 23,
++                .active_low		= 1,
++	},
++	{
++		.name			= "line2",
++		.gpio			= 25,
++		.active_low		= 1,
++	},
+ };
+ 
+ static struct gpio_led_platform_data ar7_led_data;
+@@ -540,9 +569,9 @@ static void __init detect_leds(void)
+ 	} else if (strstr(prid, "CYWM") || strstr(prid, "CYWL")) {
+ 		ar7_led_data.num_leds = ARRAY_SIZE(titan_leds);
+ 		ar7_led_data.leds = titan_leds;
+-	} else if (strstr(prid, "GT701")) {
+-		ar7_led_data.num_leds = ARRAY_SIZE(gt701_leds);
+-		ar7_led_data.leds = gt701_leds;
++	} else if (strstr(prid, "GT7") || strstr(prid, "PK5000")) {
++		ar7_led_data.num_leds = ARRAY_SIZE(actiontec_leds);
++		ar7_led_data.leds = actiontec_leds;
+ 	}
+ }
+ 
diff --git a/target/linux/ar7/patches-3.18/950-cpmac_titan.patch b/target/linux/ar7/patches-3.18/950-cpmac_titan.patch
new file mode 100644
index 0000000000..1d76e9fd78
--- /dev/null
+++ b/target/linux/ar7/patches-3.18/950-cpmac_titan.patch
@@ -0,0 +1,52 @@
+--- a/drivers/net/ethernet/ti/cpmac.c
++++ b/drivers/net/ethernet/ti/cpmac.c
+@@ -1154,6 +1154,8 @@ static int cpmac_probe(struct platform_d
+ 		goto fail;
+ 	}
+ 
++	ar7_device_reset(pdata->reset_bit);
++
+ 	dev->irq = platform_get_irq_byname(pdev, "irq");
+ 
+ 	dev->netdev_ops = &cpmac_netdev_ops;
+@@ -1232,7 +1234,7 @@ int cpmac_init(void)
+ 	cpmac_mii->reset = cpmac_mdio_reset;
+ 	cpmac_mii->irq = mii_irqs;
+ 
+-	cpmac_mii->priv = ioremap(AR7_REGS_MDIO, 256);
++	cpmac_mii->priv = ioremap(ar7_is_titan() ? TITAN_REGS_MDIO : AR7_REGS_MDIO, 256);
+ 
+ 	if (!cpmac_mii->priv) {
+ 		printk(KERN_ERR "Can't ioremap mdio registers\n");
+@@ -1243,10 +1245,16 @@ int cpmac_init(void)
+ #warning FIXME: unhardcode gpio&reset bits
+ 	ar7_gpio_disable(26);
+ 	ar7_gpio_disable(27);
+-	ar7_device_reset(AR7_RESET_BIT_CPMAC_LO);
+-	ar7_device_reset(AR7_RESET_BIT_CPMAC_HI);
++
++	if (!ar7_is_titan()) {
++		ar7_device_reset(AR7_RESET_BIT_CPMAC_LO);
++		ar7_device_reset(AR7_RESET_BIT_CPMAC_HI);
++	}
+ 	ar7_device_reset(AR7_RESET_BIT_EPHY);
+ 
++	if (ar7_is_titan())
++		ar7_device_reset(TITAN_RESET_BIT_EPHY1);
++
+ 	cpmac_mii->reset(cpmac_mii);
+ 
+ 	for (i = 0; i < 300; i++) {
+@@ -1263,7 +1271,11 @@ int cpmac_init(void)
+ 		mask = 0;
+ 	}
+ 
+-	cpmac_mii->phy_mask = ~(mask | 0x80000000);
++	if (ar7_is_titan())
++		cpmac_mii->phy_mask = ~(mask | 0x80000000 | 0x40000000);
++	else
++		cpmac_mii->phy_mask = ~(mask | 0x80000000);
++
+ 	snprintf(cpmac_mii->id, MII_BUS_ID_SIZE, "cpmac-1");
+ 
+ 	res = mdiobus_register(cpmac_mii);