gemini: add Linux 4.4 support

Signed-off-by: Roman Yeryomin <roman@advem.lv> [Jo-Philipp Wich: change commit title] Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2016-08-22 02:36:50 +03:00 · 2016-08-22 02:36:50 +03:00 · f046737e92
commit f046737e92
parent e58c20aac3
24 changed files with 6220 additions and 0 deletions
--- a/target/linux/gemini/config-4.4
+++ b/target/linux/gemini/config-4.4
@ -0,0 +1,165 @@
+CONFIG_ALIGNMENT_TRAP=y
+CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
+CONFIG_ARCH_GEMINI=y
+CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
+CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
+CONFIG_ARCH_NR_GPIO=0
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+CONFIG_ARCH_USES_GETTIMEOFFSET=y
+CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
+CONFIG_ARM=y
+# CONFIG_ARM_CPU_SUSPEND is not set
+CONFIG_ARM_L1_CACHE_SHIFT=5
+CONFIG_ARM_NR_BANKS=8
+CONFIG_ARM_PATCH_PHYS_VIRT=y
+# CONFIG_ARPD is not set
+CONFIG_ATA=y
+CONFIG_ATAGS=y
+# CONFIG_CACHE_L2X0 is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_CLONE_BACKWARDS=y
+CONFIG_CMDLINE="root=/dev/mtdblock2 rootfstype=squashfs,jffs2 noinitrd console=ttyS0,19200 mem=32M"
+CONFIG_CMDLINE_FROM_BOOTLOADER=y
+CONFIG_CPU_32v4=y
+CONFIG_CPU_ABRT_EV4=y
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_CPU_CACHE_FA=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_FA=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
+CONFIG_CPU_FA526=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+CONFIG_CPU_PABRT_LEGACY=y
+CONFIG_CPU_TLB_FA=y
+CONFIG_CPU_USE_DOMAINS=y
+CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S"
+# CONFIG_DEBUG_USER is not set
+CONFIG_DEBUG_UART_PHYS=0x42000000
+CONFIG_DEBUG_UART_VIRT=0xf4200000
+CONFIG_DEBUG_UART_8250_SHIFT=2
+# CONFIG_DEBUG_UART_8250_WORD is not set
+# CONFIG_DEBUG_UART_8250_FLOW_CONTROL is not set
+# CONFIG_DLCI is not set
+CONFIG_DMADEVICES=y
+CONFIG_DNOTIFY=y
+# CONFIG_DW_DMAC_CORE is not set
+# CONFIG_DW_DMAC_PCI is not set
+CONFIG_FRAME_POINTER=y
+CONFIG_GEMINI_MEM_SWAP=y
+CONFIG_GEMINI_SL351X=y
+CONFIG_GEMINI_WATCHDOG=y
+CONFIG_GENERIC_ATOMIC64=y
+CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_IDLE_POLL_SETUP=y
+CONFIG_GENERIC_IO=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_GENERIC_SMP_IDLE_THREAD=y
+CONFIG_GENERIC_STRNCPY_FROM_USER=y
+CONFIG_GENERIC_STRNLEN_USER=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_DEVRES=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_HARDIRQS_SW_RESEND=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_PFN_VALID=y
+CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
+CONFIG_HAVE_BPF_JIT=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_ATTRS=y
+CONFIG_HAVE_DMA_CONTIGUOUS=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_GENERIC_DMA_COHERENT=y
+CONFIG_HAVE_GENERIC_HARDIRQS=y
+CONFIG_HAVE_IDE=y
+CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_HAVE_KERNEL_XZ=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_HAVE_MEMBLOCK=y
+CONFIG_HAVE_NET_DSA=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_HAVE_PROC_CPU=y
+CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
+CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
+CONFIG_HAVE_UID16=y
+# CONFIG_HSU_DMA_PCI is not set
+CONFIG_HWMON=y
+CONFIG_HW_RANDOM=y
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_PIMSM_V1=y
+CONFIG_IP_PIMSM_V2=y
+CONFIG_IRQ_WORK=y
+CONFIG_KTIME_SCALAR=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_MACH_NAS4220B is not set
+# CONFIG_MACH_RUT100 is not set
+CONFIG_MACH_WBD111=y
+CONFIG_MACH_WBD222=y
+CONFIG_MDIO_BITBANG=y
+CONFIG_MDIO_BOARDINFO=y
+CONFIG_MDIO_GPIO=y
+CONFIG_MIGHT_HAVE_PCI=y
+CONFIG_MODULES_USE_ELF_REL=y
+CONFIG_MTD_PHYSMAP=y
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_NEED_KUSER_HELPERS=y
+CONFIG_NEED_MACH_GPIO_H=y
+CONFIG_NEED_PER_CPU_KM=y
+CONFIG_NET_VENDOR_GEMINI=y
+# CONFIG_OF is not set
+CONFIG_OLD_SIGACTION=y
+CONFIG_OLD_SIGSUSPEND3=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PATA_GEMINI=y
+CONFIG_PCI=y
+CONFIG_PERF_USE_VMALLOC=y
+CONFIG_PHYLIB=y
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_RCU_STALL_COMMON is not set
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_GEMINI=y
+# CONFIG_SCHED_HRTICK is not set
+# CONFIG_SCSI_DMA is not set
+CONFIG_SPLIT_PTLOCK_CPUS=999999
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_TICK_CPU_ACCOUNTING=y
+CONFIG_UID16=y
+CONFIG_UIDGID_CONVERTED=y
+CONFIG_UNCOMPRESS_INCLUDE="mach/uncompress.h"
+CONFIG_USB_ARCH_HAS_XHCI=y
+CONFIG_USB_SUPPORT=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_WAN=y
+CONFIG_XZ_DEC_ARM=y
+CONFIG_XZ_DEC_BCJ=y
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZONE_DMA_FLAG=0
--- a/target/linux/gemini/files-4.4/arch/arm/mach-gemini/include/mach/gmac.h
+++ b/target/linux/gemini/files-4.4/arch/arm/mach-gemini/include/mach/gmac.h
@ -0,0 +1,21 @@
+/*
+ * Gemini GMAC specific defines
+ *
+ * Copyright (C) 2008, Paulius Zaleckas <paulius.zaleckas@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#ifndef __NET_GEMINI_PLATFORM_H__
+#define __NET_GEMINI_PLATFORM_H__
+
+#include <linux/phy.h>
+
+struct gemini_gmac_platform_data {
+	char *bus_id[2]; /* NULL means that this port is not used */
+	phy_interface_t interface[2];
+};
+
+#endif /* __NET_GEMINI_PLATFORM_H__ */
--- a/target/linux/gemini/files-4.4/arch/arm/mach-gemini/pci.c
+++ b/target/linux/gemini/files-4.4/arch/arm/mach-gemini/pci.c
@ -0,0 +1,318 @@
+/*
+ *  Support for Gemini PCI Controller
+ *
+ *  Copyright (C) 2009 Janos Laube <janos.dev@gmail.com>
+ *  Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * based on SL2312 PCI controller code
+ *   Storlink (C) 2003
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+
+#include <asm/mach/pci.h>
+
+#include <mach/irqs.h>
+#include <mach/hardware.h>
+
+#define GEMINI_PCI_IOSIZE_1M		0x0000
+
+#define GEMINI_PCI_PMC			0x40
+#define GEMINI_PCI_PMCSR		0x44
+#define GEMINI_PCI_CTRL1		0x48
+#define GEMINI_PCI_CTRL2		0x4C
+#define GEMINI_PCI_MEM1_BASE_SIZE	0x50
+#define GEMINI_PCI_MEM2_BASE_SIZE	0x54
+#define GEMINI_PCI_MEM3_BASE_SIZE	0x58
+
+#define PCI_CTRL2_INTSTS_OFFSET		28
+#define PCI_CTRL2_INTMASK_OFFSET	22
+
+#define GEMINI_PCI_DMA_MASK		0xFFF00000
+#define GEMINI_PCI_DMA_MEM1_BASE	0x00000000
+#define GEMINI_PCI_DMA_MEM2_BASE	0x00000000
+#define GEMINI_PCI_DMA_MEM3_BASE	0x00000000
+#define GEMINI_PCI_DMA_MEM1_SIZE	7
+#define GEMINI_PCI_DMA_MEM2_SIZE	6
+#define GEMINI_PCI_DMA_MEM3_SIZE	6
+
+#define PCI_CONF_ENABLE		(1 << 31)
+#define PCI_CONF_WHERE(r)	((r) & 0xFC)
+#define PCI_CONF_BUS(b)		(((b) & 0xFF) << 16)
+#define PCI_CONF_DEVICE(d)	(((d) & 0x1F) << 11)
+#define PCI_CONF_FUNCTION(f)	(((f) & 0x07) << 8)
+
+#define PCI_IOSIZE_REG	(IO_ADDRESS(GEMINI_PCI_IO_BASE))
+#define PCI_PROT_REG	(IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x04)
+#define PCI_CTRL_REG	(IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x08)
+#define PCI_SOFTRST_REG	(IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x10)
+#define PCI_CONFIG_REG	(IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x28)
+#define PCI_DATA_REG	(IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x2C)
+
+
+static DEFINE_SPINLOCK(gemini_pci_lock);
+
+static int gemini_pci_read_config(struct pci_bus* bus, unsigned int fn,
+				  int config, int size, u32* value)
+{
+	unsigned long irq_flags;
+
+	spin_lock_irqsave(&gemini_pci_lock, irq_flags);
+
+	__raw_writel(PCI_CONF_BUS(bus->number) |
+			PCI_CONF_DEVICE(PCI_SLOT(fn)) |
+			PCI_CONF_FUNCTION(PCI_FUNC(fn)) |
+			PCI_CONF_WHERE(config) |
+			PCI_CONF_ENABLE,
+			PCI_CONFIG_REG);
+
+	*value = __raw_readl(PCI_DATA_REG);
+
+	if (size == 1)
+		*value = (*value >> (8 * (config & 3))) & 0xFF;
+	else if (size == 2)
+		*value = (*value >> (8 * (config & 3))) & 0xFFFF;
+
+	spin_unlock_irqrestore(&gemini_pci_lock, irq_flags);
+
+	dev_dbg(&bus->dev,
+		"[read]  slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n",
+		PCI_SLOT(fn), PCI_FUNC(fn), config, size, *value);
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int gemini_pci_write_config(struct pci_bus* bus, unsigned int fn,
+				   int config, int size, u32 value)
+{
+	unsigned long irq_flags = 0;
+	int ret = PCIBIOS_SUCCESSFUL;
+
+	dev_dbg(&bus->dev,
+		"[write] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n",
+		PCI_SLOT(fn), PCI_FUNC(fn), config, size, value);
+
+	spin_lock_irqsave(&gemini_pci_lock, irq_flags);
+
+	__raw_writel(PCI_CONF_BUS(bus->number) |
+			PCI_CONF_DEVICE(PCI_SLOT(fn)) |
+			PCI_CONF_FUNCTION(PCI_FUNC(fn)) |
+			PCI_CONF_WHERE(config) |
+			PCI_CONF_ENABLE,
+			PCI_CONFIG_REG);
+
+	switch(size) {
+	case 4:
+		__raw_writel(value, PCI_DATA_REG);
+		break;
+	case 2:
+		__raw_writew(value, PCI_DATA_REG + (config & 3));
+		break;
+	case 1:
+		__raw_writeb(value, PCI_DATA_REG + (config & 3));
+		break;
+	default:
+		ret = PCIBIOS_BAD_REGISTER_NUMBER;
+	}
+
+	spin_unlock_irqrestore(&gemini_pci_lock, irq_flags);
+
+	return ret;
+}
+
+static struct pci_ops gemini_pci_ops = {
+	.read	= gemini_pci_read_config,
+	.write	= gemini_pci_write_config,
+};
+
+static struct resource gemini_pci_resource_io = {
+	.name	= "PCI I/O Space",
+	.start	= GEMINI_PCI_IO_BASE,
+	.end	= GEMINI_PCI_IO_BASE + SZ_1M - 1,
+	.flags	= IORESOURCE_IO,
+};
+
+static struct resource gemini_pci_resource_mem = {
+	.name	= "PCI Memory Space",
+	.start	= GEMINI_PCI_MEM_BASE,
+	.end	= GEMINI_PCI_MEM_BASE + SZ_128M - 1,
+	.flags	= IORESOURCE_MEM,
+};
+
+static int __init gemini_pci_request_resources(struct pci_sys_data *sys)
+{
+	if (request_resource(&ioport_resource, &gemini_pci_resource_io))
+		goto bad_resources;
+	if (request_resource(&iomem_resource, &gemini_pci_resource_mem))
+		goto bad_resources;
+
+	pci_add_resource(&sys->resources, &gemini_pci_resource_io);
+	pci_add_resource(&sys->resources, &gemini_pci_resource_mem);
+
+	return 0;
+
+bad_resources:
+	pr_err("Gemini PCI: request_resource() failed. "
+			"Abort PCI bus enumeration.\n");
+	return -1;
+}
+
+static int __init gemini_pci_setup(int nr, struct pci_sys_data *sys)
+{
+	unsigned int cmd;
+
+	pcibios_min_io = 0x100;
+	pcibios_min_mem = 0;
+
+	if ((nr > 0) || gemini_pci_request_resources(sys))
+		return 0;
+
+	/* setup I/O space to 1MB size */
+	__raw_writel(GEMINI_PCI_IOSIZE_1M, PCI_IOSIZE_REG);
+
+	/* setup hostbridge */
+	cmd = __raw_readl(PCI_CTRL_REG);
+	cmd |= PCI_COMMAND_IO;
+	cmd |= PCI_COMMAND_MEMORY;
+	cmd |= PCI_COMMAND_MASTER;
+	__raw_writel(cmd, PCI_CTRL_REG);
+
+	return 1;
+}
+
+static struct pci_bus* __init gemini_pci_scan_bus(int nr, struct pci_sys_data* sys)
+{
+	unsigned int reg = 0;
+	struct pci_bus* bus = 0;
+
+	bus = pci_scan_bus(nr, &gemini_pci_ops, sys);
+	if (bus) {
+		dev_dbg(&bus->dev, "setting up PCI DMA\n");
+		reg = (GEMINI_PCI_DMA_MEM1_BASE & GEMINI_PCI_DMA_MASK)
+			| (GEMINI_PCI_DMA_MEM1_SIZE << 16);
+		gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM1_BASE_SIZE, 4, reg);
+		reg =	(GEMINI_PCI_DMA_MEM2_BASE & GEMINI_PCI_DMA_MASK)
+			| (GEMINI_PCI_DMA_MEM2_SIZE << 16);
+		gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM2_BASE_SIZE, 4, reg);
+		reg = (GEMINI_PCI_DMA_MEM3_BASE & GEMINI_PCI_DMA_MASK)
+			| (GEMINI_PCI_DMA_MEM3_SIZE << 16);
+		gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM3_BASE_SIZE, 4, reg);
+	}
+
+	return bus;
+}
+
+/* Should work with all boards based on original Storlink EVB */
+static int __init gemini_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	if (slot < 9 || slot > 12)
+		return -1;
+
+	return PCI_IRQ_BASE + (((slot - 9) + (pin - 1)) & 0x3);
+}
+
+static struct hw_pci gemini_hw_pci __initdata = {
+	.nr_controllers	= 1,
+	.setup		= gemini_pci_setup,
+	.scan           = gemini_pci_scan_bus,
+	.map_irq	= gemini_pci_map_irq,
+};
+
+/* we need this for muxed PCI interrupts handling */
+static struct pci_bus bogus_pci_bus;
+
+static void gemini_pci_ack_irq(struct irq_data *d)
+{
+	unsigned int irq = d->irq;
+	unsigned int reg;
+
+	gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
+	reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET);
+	reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTSTS_OFFSET);
+	gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
+}
+
+static void gemini_pci_mask_irq(struct irq_data *d)
+{
+	unsigned int irq = d->irq;
+	unsigned int reg;
+
+	gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
+	reg &= ~((0xF << PCI_CTRL2_INTSTS_OFFSET)
+		| (1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET)));
+	gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
+}
+
+static void gemini_pci_unmask_irq(struct irq_data *d)
+{
+	unsigned int irq = d->irq;
+	unsigned int reg;
+
+	gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
+	reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET);
+	reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET);
+	gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
+}
+
+static void gemini_pci_irq_handler(struct irq_desc *desc)
+{
+	unsigned int pci_irq_no, irq_stat, reg, i;
+
+	gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, &reg);
+	irq_stat = reg >> PCI_CTRL2_INTSTS_OFFSET;
+
+	for (i = 0; i < 4; i++) {
+
+		if ((irq_stat & (1 << i)) == 0)
+			continue;
+
+		pci_irq_no = PCI_IRQ_BASE + i;
+
+		BUG_ON(!(irq_desc[pci_irq_no].handle_irq));
+		irq_desc[pci_irq_no].handle_irq(&irq_desc[pci_irq_no]);
+	}
+}
+
+static struct irq_chip gemini_pci_irq_chip = {
+	.name = "PCI",
+	.irq_ack = gemini_pci_ack_irq,
+	.irq_mask = gemini_pci_mask_irq,
+	.irq_unmask = gemini_pci_unmask_irq,
+};
+
+static int __init gemini_pci_init(void)
+{
+	int i;
+
+	for (i = 72; i <= 95; i++)
+		gpio_request(i, "PCI");
+
+	/* initialize our bogus bus */
+	dev_set_name(&bogus_pci_bus.dev, "PCI IRQ handler");
+	bogus_pci_bus.number = 0;
+
+	/* mask and clear all interrupts */
+	gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2 + 2, 2,
+				0xF000);
+
+	for (i = PCI_IRQ_BASE; i < PCI_IRQ_BASE + 4; i++) {
+		irq_set_chip_and_handler(i, &gemini_pci_irq_chip,
+					 handle_level_irq);
+	}
+
+	irq_set_chained_handler(IRQ_PCI, gemini_pci_irq_handler);
+
+	pci_common_init(&gemini_hw_pci);
+
+	return 0;
+}
+
+subsys_initcall(gemini_pci_init);
--- a/target/linux/gemini/files-4.4/drivers/ata/pata_gemini.c
+++ b/target/linux/gemini/files-4.4/drivers/ata/pata_gemini.c
@ -0,0 +1,234 @@
+/*
+ *  Support for Gemini PATA
+ *
+ *  Copyright (C) 2009 Janos Laube <janos.dev@gmail.com>
+ *  Copyright (C) 2010 Frederic Pecourt <opengemini@free.fr>
+ *  Copyright (C) 2011 Tobias Waldvogel <tobias.waldvogel@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/* Values of IOMUX
+ * 26:24 bits is "IDE IO Select"
+ * 111:100 - Reserved
+ * 011 - ata0 <-> sata0, sata1; bring out ata1
+ * 010 - ata1 <-> sata1, sata0; bring out ata0
+ * 001 - ata0 <-> sata0, ata1 <-> sata1; bring out ata1
+ * 000 - ata0 <-> sata0, ata1 <-> sata1; bring out ata0
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/libata.h>
+#include <linux/leds.h>
+
+#include <mach/hardware.h>
+#include <mach/global_reg.h>
+
+#define DRV_NAME		"pata-gemini"
+
+#define PATA_GEMINI_PORTS	1
+
+#define PIO_TIMING_REG		0x10
+#define MDMA_TIMING_REG		0x11
+#define UDMA_TIMING0_REG	0x12
+#define UDMA_TIMING1_REG	0x13
+#define CLK_MOD_REG		0x14
+
+#define CLK_MOD_66M_DEV0_BIT	0
+#define CLK_MOD_66M_DEV1_BIT	1
+#define CLK_MOD_UDMA_DEV0_BIT	4
+#define CLK_MOD_UDMA_DEV1_BIT	5
+
+#define CLK_MOD_66M_DEV0	(1 << CLK_MOD_66M_DEV0_BIT)
+#define CLK_MOD_66M_DEV1	(1 << CLK_MOD_66M_DEV1_BIT)
+#define CLK_MOD_UDMA_DEV0	(1 << CLK_MOD_UDMA_DEV0_BIT)
+#define CLK_MOD_UDMA_DEV1	(1 << CLK_MOD_UDMA_DEV1_BIT)
+
+#define SATA_ENABLE_PDEV_MASK		0x01
+#define SATA_ENABLE_PDEV_PM		0x02
+#define SATA_ENABLE_PDEV_ADDED		0x04
+#define SATA_ENABLE_PDEV_REMOVED	0x08
+#define SATA_ENABLE_SDEV_MASK		0x10
+#define SATA_ENABLE_SDEV_PM		0x20
+#define SATA_ENABLE_SDEV_ADDED		0x40
+#define SATA_ENABLE_SDEV_REMOVED	0x80
+
+MODULE_AUTHOR("Janos Laube <janos.dev@gmail.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRV_NAME);
+
+static unsigned char PIO_TIMING[5] = {
+	0xaa, 0xa3, 0xa1, 0x33, 0x31
+};
+
+static unsigned char TIMING_MW_DMA[4][2] = {
+	{ 0x44, 1 }, // 480        4.2
+	{ 0x42, 1 }, // 150       13.3
+	{ 0x31, 1 }, // 120       16.7
+	{ 0x21, 1 }, // 100       20
+};
+
+static unsigned char TIMING_UDMA[7][2] = {
+	{ 0x33, 0 }, //240        16.7
+	{ 0x31, 0 }, //160        25
+	{ 0x21, 0 }, //120        33.3
+	{ 0x21, 1 }, //90         44.4
+	{ 0x11, 1 }, //60         66.7
+	{ 0x11 | 0x80, 0 }, //40  100
+	{ 0x11 | 0x80, 1 }, //30  133
+};
+
+static struct scsi_host_template pata_gemini_sht = {
+	ATA_NCQ_SHT(DRV_NAME),
+	.can_queue	= 1,
+	.sg_tablesize	= 128,
+	.dma_boundary	= 0xffffU,
+};
+
+static void gemini_set_dmamode(struct ata_port *ap, struct ata_device *adev)
+{
+	void __iomem *clk_reg	= ap->ioaddr.bmdma_addr + CLK_MOD_REG;
+	void __iomem *tim_reg	= ap->ioaddr.bmdma_addr + UDMA_TIMING0_REG;
+	unsigned short udma	= adev->dma_mode;
+	unsigned short speed	= udma;
+	unsigned short devno	= adev->devno & 1;
+	unsigned short i;
+	u8 mod_udma_mask	= 1 << (CLK_MOD_UDMA_DEV0_BIT + devno);
+	u8 mod_66m_mask		= 1 << (CLK_MOD_66M_DEV0_BIT + devno);
+	u8 clk_mod;
+	u8 timing;
+
+	clk_mod = ioread8(clk_reg);
+	clk_mod &= ~mod_udma_mask;
+
+	if (speed & XFER_UDMA_0) {
+		i = speed & ~XFER_UDMA_0;
+		timing = TIMING_UDMA[i][0];
+		clk_mod |= mod_udma_mask;
+		if (TIMING_UDMA[i][1])
+			clk_mod |= mod_66m_mask;
+	} else {
+		i = speed & ~XFER_MW_DMA_0;
+		timing = TIMING_MW_DMA[i][0];
+		clk_mod |= mod_udma_mask;
+		if (TIMING_MW_DMA[i][1])
+			clk_mod |= mod_66m_mask;
+	}
+
+	iowrite8(clk_mod, clk_reg);
+	iowrite8(timing, tim_reg + devno);
+	return;
+}
+
+static void gemini_set_piomode(struct ata_port *ap, struct ata_device *adev)
+{
+	void __iomem *pio_reg	= ap->ioaddr.bmdma_addr + PIO_TIMING_REG;
+	unsigned int pio	= adev->pio_mode - XFER_PIO_0;
+
+	iowrite8(PIO_TIMING[pio], pio_reg);
+}
+
+unsigned int gemini_qc_issue(struct ata_queued_cmd *qc)
+{
+	ledtrig_ide_activity();
+	return ata_bmdma_qc_issue(qc);
+}
+
+static struct ata_port_operations pata_gemini_port_ops = {
+	.inherits	= &ata_bmdma_port_ops,
+	.set_dmamode	= gemini_set_dmamode,
+	.set_piomode	= gemini_set_piomode,
+	.qc_issue	= gemini_qc_issue,
+};
+
+static struct ata_port_info pata_gemini_portinfo = {
+	.flags		= 0,
+	.udma_mask	= ATA_UDMA6,
+	.pio_mask	= ATA_PIO4,
+	.port_ops	= &pata_gemini_port_ops,
+};
+
+static const struct ata_port_info *pata_gemini_ports = &pata_gemini_portinfo;
+
+static int pata_gemini_probe(struct platform_device *pdev)
+{
+	struct ata_host *host;
+	struct resource *res;
+	unsigned int irq, i;
+	void __iomem *mmio_base;
+
+	/* standard bdma init */
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		return irq;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -ENODEV;
+
+	pr_info(DRV_NAME ": irq %d, io base 0x%08x\n", irq, res->start);
+
+	mmio_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
+
+	host = ata_host_alloc_pinfo(&pdev->dev, &pata_gemini_ports, 1);
+	if (!host)
+		return -ENOMEM;
+
+	for (i = 0; i < host->n_ports; i++) {
+		struct ata_port *ap = host->ports[i];
+		struct ata_ioports *ioaddr = &ap->ioaddr;
+
+		ioaddr->bmdma_addr		= mmio_base;
+		ioaddr->cmd_addr		= mmio_base + 0x20;
+		ioaddr->ctl_addr		= mmio_base + 0x36;
+		ioaddr->altstatus_addr		= ioaddr->ctl_addr;
+		ata_sff_std_ports(ioaddr);
+		host->ports[i]->cbl = ATA_CBL_SATA;
+	}
+
+	return ata_host_activate(host, irq, ata_bmdma_interrupt,
+		IRQF_SHARED, &pata_gemini_sht);
+}
+
+static int pata_gemini_remove(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct ata_host *host = dev_get_drvdata(dev);
+	ata_host_detach(host);
+	return 0;
+}
+
+static struct platform_driver pata_gemini_driver = {
+	.probe		= pata_gemini_probe,
+	.remove		= pata_gemini_remove,
+	.driver.owner	= THIS_MODULE,
+	.driver.name	= DRV_NAME,
+};
+
+static int __init pata_gemini_module_init(void)
+{
+	return platform_driver_probe(&pata_gemini_driver, pata_gemini_probe);
+}
+
+static void __exit pata_gemini_module_exit(void)
+{
+	platform_driver_unregister(&pata_gemini_driver);
+}
+
+module_init(pata_gemini_module_init);
+module_exit(pata_gemini_module_exit);
--- a/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/Kconfig
+++ b/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/Kconfig
@ -0,0 +1,31 @@
+#
+# Gemini device configuration
+#
+
+config NET_VENDOR_GEMINI
+	bool "Cortina Gemini devices"
+	default y
+	depends on ARCH_GEMINI
+	---help---
+	  If you have a network (Ethernet) card belonging to this class, say Y
+	  and read the Ethernet-HOWTO, available from
+	  <http://www.tldp.org/docs.html#howto>.
+
+	  Note that the answer to this question doesn't directly affect the
+	  kernel: saying N will just cause the configurator to skip all
+	  the questions about D-Link devices. If you say Y, you will be asked for
+	  your specific card in the following questions.
+
+if NET_VENDOR_GEMINI
+
+config GEMINI_SL351X
+	tristate "StorLink SL351x Gigabit Ethernet support"
+	depends on ARCH_GEMINI
+	select PHYLIB
+	select MDIO_BITBANG
+	select MDIO_GPIO
+	select CRC32
+	---help---
+	  This driver supports StorLink SL351x (Gemini) dual Gigabit Ethernet.
+
+endif # NET_VENDOR_GEMINI
--- a/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/Makefile
+++ b/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/Makefile
@ -0,0 +1,5 @@
+#
+# Makefile for the Cortina Gemini network device drivers.
+#
+
+obj-$(CONFIG_GEMINI_SL351X) += sl351x.o
--- a/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/sl351x.c
+++ b/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/sl351x.c
--- a/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/sl351x_hw.h
+++ b/target/linux/gemini/files-4.4/drivers/net/ethernet/gemini/sl351x_hw.h
--- a/target/linux/gemini/files-4.4/drivers/usb/host/ehci-fotg2.c
+++ b/target/linux/gemini/files-4.4/drivers/usb/host/ehci-fotg2.c
@ -0,0 +1,258 @@
+/*
+ *  Gemini EHCI Host Controller driver
+ *
+ *  Copyright (C) 2014 Roman Yeryomin <roman@advem.lv>
+ *  Copyright (C) 2012 Tobias Waldvogel
+ *  based on GPLd code from Sony Computer Entertainment Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ */
+#include <linux/kernel.h>
+#include <linux/hrtimer.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/usb.h>
+#include <linux/usb/hcd.h>
+#include <linux/usb/ehci_pdriver.h>
+
+#include <mach/hardware.h>
+#include <mach/global_reg.h>
+
+#include "ehci.h"
+
+#define DRV_NAME			"ehci-fotg2"
+
+#define HCD_MISC			0x40
+
+#define OTGC_SCR			0x80
+#define OTGC_INT_STS			0x84
+#define OTGC_INT_EN			0x88
+
+#define GLOBAL_ISR			0xC0
+#define GLOBAL_ICR			0xC4
+
+#define GLOBAL_INT_POLARITY		(1 << 3)
+#define GLOBAL_INT_MASK_HC		(1 << 2)
+#define GLOBAL_INT_MASK_OTG		(1 << 1)
+#define GLOBAL_INT_MASK_DEV		(1 << 0)
+
+#define OTGC_SCR_ID			(1 << 21)
+#define OTGC_SCR_CROLE			(1 << 20)
+#define OTGC_SCR_VBUS_VLD		(1 << 19)
+#define OTGC_SCR_A_SRP_RESP_TYPE	(1 << 8)
+#define OTGC_SCR_A_SRP_DET_EN		(1 << 7)
+#define OTGC_SCR_A_SET_B_HNP_EN		(1 << 6)
+#define OTGC_SCR_A_BUS_DROP		(1 << 5)
+#define OTGC_SCR_A_BUS_REQ		(1 << 4)
+
+#define OTGC_INT_APLGRMV		(1 << 12)
+#define OTGC_INT_BPLGRMV		(1 << 11)
+#define OTGC_INT_OVC			(1 << 10)
+#define OTGC_INT_IDCHG			(1 << 9)
+#define OTGC_INT_RLCHG			(1 << 8)
+#define OTGC_INT_AVBUSERR		(1 << 5)
+#define OTGC_INT_ASRPDET		(1 << 4)
+#define OTGC_INT_BSRPDN			(1 << 0)
+
+#define OTGC_INT_A_TYPE	(		\
+ 		OTGC_INT_ASRPDET |	\
+		OTGC_INT_AVBUSERR |	\
+		OTGC_INT_OVC |		\
+		OTGC_INT_RLCHG |	\
+		OTGC_INT_IDCHG |	\
+		OTGC_INT_APLGRMV	\
+	)
+#define OTGC_INT_B_TYPE	(		\
+		OTGC_INT_AVBUSERR |	\
+		OTGC_INT_OVC |		\
+		OTGC_INT_RLCHG |	\
+		OTGC_INT_IDCHG		\
+	)
+
+
+static void fotg2_otg_init(struct usb_hcd *hcd)
+{
+	u32 val;
+
+	writel(GLOBAL_INT_POLARITY | GLOBAL_INT_MASK_HC |
+	       GLOBAL_INT_MASK_OTG | GLOBAL_INT_MASK_DEV,
+		hcd->regs + GLOBAL_ICR);
+
+	val = readl(hcd->regs + OTGC_SCR);
+	val &= ~(OTGC_SCR_A_SRP_RESP_TYPE | OTGC_SCR_A_SRP_DET_EN |
+		 OTGC_SCR_A_BUS_DROP      | OTGC_SCR_A_SET_B_HNP_EN);
+	val |= OTGC_SCR_A_BUS_REQ;
+	writel(val, hcd->regs + OTGC_SCR);
+
+	writel(OTGC_INT_A_TYPE, hcd->regs + OTGC_INT_EN);
+
+	/* setup MISC register, fixes timing problems */
+	val = readl(hcd->regs + HCD_MISC);
+	val |= 0xD;
+	writel(val, hcd->regs + HCD_MISC);
+
+	writel(~0, hcd->regs + GLOBAL_ISR);
+	writel(~0, hcd->regs + OTGC_INT_STS);
+}
+
+static int fotg2_ehci_reset(struct usb_hcd *hcd)
+{
+	int retval;
+
+	retval = ehci_setup(hcd);
+	if (retval)
+		return retval;
+
+	writel(GLOBAL_INT_POLARITY, hcd->regs + GLOBAL_ICR);
+	return 0;
+}
+
+static const struct hc_driver fotg2_ehci_hc_driver = {
+	.description		= hcd_name,
+	.product_desc		= "FOTG2 EHCI Host Controller",
+	.hcd_priv_size		= sizeof(struct ehci_hcd),
+	.irq			= ehci_irq,
+	.flags			= HCD_MEMORY | HCD_USB2,
+	.reset			= fotg2_ehci_reset,
+	.start			= ehci_run,
+	.stop			= ehci_stop,
+	.shutdown		= ehci_shutdown,
+	.urb_enqueue		= ehci_urb_enqueue,
+	.urb_dequeue		= ehci_urb_dequeue,
+	.endpoint_disable	= ehci_endpoint_disable,
+	.endpoint_reset		= ehci_endpoint_reset,
+	.get_frame_number	= ehci_get_frame,
+	.hub_status_data	= ehci_hub_status_data,
+	.hub_control		= ehci_hub_control,
+#if defined(CONFIG_PM)
+	.bus_suspend		= ehci_bus_suspend,
+	.bus_resume		= ehci_bus_resume,
+#endif
+	.relinquish_port	= ehci_relinquish_port,
+	.port_handed_over	= ehci_port_handed_over,
+
+	.clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
+};
+
+static irqreturn_t fotg2_ehci_irq(int irq, void *data)
+{
+	struct usb_hcd *hcd = data;
+	u32 icr, sts;
+	irqreturn_t retval;
+
+	icr = readl(hcd->regs + GLOBAL_ICR);
+	writel(GLOBAL_INT_POLARITY | GLOBAL_INT_MASK_HC |
+	       GLOBAL_INT_MASK_OTG | GLOBAL_INT_MASK_DEV,
+		hcd->regs + GLOBAL_ICR);
+
+	retval = IRQ_NONE;
+
+	sts = ~icr;
+	sts &= GLOBAL_INT_MASK_HC | GLOBAL_INT_MASK_OTG | GLOBAL_INT_MASK_DEV;
+	sts &= readl(hcd->regs + GLOBAL_ISR);
+	writel(sts, hcd->regs + GLOBAL_ISR);
+
+	if (unlikely(sts & GLOBAL_INT_MASK_DEV)) {
+		ehci_warn(hcd_to_ehci(hcd),
+			"Received unexpected irq for device role\n");
+		retval = IRQ_HANDLED;
+	}
+
+	if (unlikely(sts & GLOBAL_INT_MASK_OTG)) {
+		u32	otg_sts;
+
+		otg_sts = readl(hcd->regs + OTGC_INT_STS);
+		writel(otg_sts, hcd->regs + OTGC_INT_STS);
+
+		ehci_warn(hcd_to_ehci(hcd),
+			"Received unexpected irq for OTG management\n");
+		retval = IRQ_HANDLED;
+	}
+
+	if (sts & GLOBAL_INT_MASK_HC) {
+		retval = IRQ_NONE;
+	}
+
+	writel(icr, hcd->regs + GLOBAL_ICR);
+	return retval;
+}
+
+static int fotg2_ehci_probe(struct platform_device *pdev)
+{
+	struct usb_hcd *hcd;
+	struct resource *res;
+	int irq , err;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		pr_err("no irq provided");
+		return irq;
+	}
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		pr_err("no memory resource provided");
+		return -ENXIO;
+	}
+
+	hcd = usb_create_hcd(&fotg2_ehci_hc_driver, &pdev->dev,
+			     dev_name(&pdev->dev));
+	if (!hcd)
+		return -ENOMEM;
+
+	hcd->rsrc_start = res->start;
+	hcd->rsrc_len = resource_size(res);
+
+	hcd->regs = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(hcd->regs)) {
+		err = -ENOMEM;
+		goto err_put_hcd;
+	}
+
+	hcd->has_tt = 1;
+	hcd_to_ehci(hcd)->caps = hcd->regs;
+
+	fotg2_otg_init(hcd);
+
+	err = request_irq(irq, &fotg2_ehci_irq, IRQF_SHARED, "fotg2", hcd);
+	if (err)
+		goto err_put_hcd;
+
+	err = usb_add_hcd(hcd, irq, IRQF_SHARED);
+	if (err)
+		goto err_put_hcd;
+
+	platform_set_drvdata(pdev, hcd);
+	return 0;
+
+err_put_hcd:
+	usb_put_hcd(hcd);
+	return err;
+}
+
+static int fotg2_ehci_remove(struct platform_device *pdev)
+{
+	struct usb_hcd *hcd = platform_get_drvdata(pdev);
+
+	writel(GLOBAL_INT_POLARITY | GLOBAL_INT_MASK_HC |
+	       GLOBAL_INT_MASK_OTG | GLOBAL_INT_MASK_DEV,
+		hcd->regs + GLOBAL_ICR);
+
+	free_irq(hcd->irq, hcd);
+	usb_remove_hcd(hcd);
+	usb_put_hcd(hcd);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+MODULE_ALIAS("platform:" DRV_NAME);
+
+static struct platform_driver ehci_fotg2_driver = {
+	.probe		= fotg2_ehci_probe,
+	.remove		= fotg2_ehci_remove,
+	.driver.name	= DRV_NAME,
+};
--- a/target/linux/gemini/files-4.4/drivers/watchdog/gemini_wdt.c
+++ b/target/linux/gemini/files-4.4/drivers/watchdog/gemini_wdt.c
@ -0,0 +1,378 @@
+/*
+ *  Watchdog driver for Cortina Systems Gemini SoC
+ *
+ *  Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * 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/init.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/fs.h>
+#include <linux/uaccess.h>
+#include <linux/miscdevice.h>
+#include <linux/platform_device.h>
+#include <linux/watchdog.h>
+#include <linux/slab.h>
+
+#define GEMINI_WDCOUNTER	0x0
+#define GEMINI_WDLOAD		0x4
+#define GEMINI_WDRESTART	0x8
+
+#define WDRESTART_MAGIC		0x5AB9
+
+#define GEMINI_WDCR		0xC
+
+#define WDCR_CLOCK_5MHZ		(1 << 4)
+#define WDCR_SYS_RST		(1 << 1)
+#define WDCR_ENABLE		(1 << 0)
+
+#define WDT_CLOCK		5000000		/* 5 MHz */
+#define WDT_DEFAULT_TIMEOUT	13
+#define WDT_MAX_TIMEOUT		(0xFFFFFFFF / WDT_CLOCK)
+
+/* status bits */
+#define WDT_ACTIVE		0
+#define WDT_OK_TO_CLOSE		1
+
+static unsigned int timeout = WDT_DEFAULT_TIMEOUT;
+static int nowayout = WATCHDOG_NOWAYOUT;
+
+static DEFINE_SPINLOCK(gemini_wdt_lock);
+
+static struct platform_device *gemini_wdt_dev;
+
+struct gemini_wdt_struct {
+	struct resource		*res;
+	struct device		*dev;
+	void __iomem		*base;
+	unsigned long		status;
+};
+
+static struct watchdog_info gemini_wdt_info = {
+	.identity	= "Gemini watchdog",
+	.options	= WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING |
+			  WDIOF_SETTIMEOUT,
+};
+
+/* Disable the watchdog. */
+static void gemini_wdt_stop(struct gemini_wdt_struct *gemini_wdt)
+{
+	spin_lock(&gemini_wdt_lock);
+
+	__raw_writel(0, gemini_wdt->base + GEMINI_WDCR);
+
+	clear_bit(WDT_ACTIVE, &gemini_wdt->status);
+
+	spin_unlock(&gemini_wdt_lock);
+}
+
+/* Service the watchdog */
+static void gemini_wdt_service(struct gemini_wdt_struct *gemini_wdt)
+{
+	__raw_writel(WDRESTART_MAGIC, gemini_wdt->base + GEMINI_WDRESTART);
+}
+
+/* Enable and reset the watchdog. */
+static void gemini_wdt_start(struct gemini_wdt_struct *gemini_wdt)
+{
+	spin_lock(&gemini_wdt_lock);
+
+	__raw_writel(timeout * WDT_CLOCK, gemini_wdt->base + GEMINI_WDLOAD);
+
+	gemini_wdt_service(gemini_wdt);
+
+	/* set clock before enabling */
+	__raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST,
+			gemini_wdt->base + GEMINI_WDCR);
+
+	__raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST | WDCR_ENABLE,
+			gemini_wdt->base + GEMINI_WDCR);
+
+	set_bit(WDT_ACTIVE, &gemini_wdt->status);
+
+	spin_unlock(&gemini_wdt_lock);
+}
+
+/* Watchdog device is opened, and watchdog starts running. */
+static int gemini_wdt_open(struct inode *inode, struct file *file)
+{
+	struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(gemini_wdt_dev);
+
+	if (test_bit(WDT_ACTIVE, &gemini_wdt->status))
+		return -EBUSY;
+
+	file->private_data = gemini_wdt;
+
+	gemini_wdt_start(gemini_wdt);
+
+	return nonseekable_open(inode, file);
+}
+
+/* Close the watchdog device. */
+static int gemini_wdt_close(struct inode *inode, struct file *file)
+{
+	struct gemini_wdt_struct *gemini_wdt = file->private_data;
+
+	/* Disable the watchdog if possible */
+	if (test_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status))
+		gemini_wdt_stop(gemini_wdt);
+	else
+		dev_warn(gemini_wdt->dev, "Device closed unexpectedly - timer will not stop\n");
+
+	return 0;
+}
+
+/* Handle commands from user-space. */
+static long gemini_wdt_ioctl(struct file *file, unsigned int cmd,
+			     unsigned long arg)
+{
+	struct gemini_wdt_struct *gemini_wdt = file->private_data;
+
+	int value;
+
+	switch (cmd) {
+	case WDIOC_KEEPALIVE:
+		gemini_wdt_service(gemini_wdt);
+		return 0;
+
+	case WDIOC_GETSUPPORT:
+		return copy_to_user((struct watchdog_info *)arg, &gemini_wdt_info,
+			sizeof(gemini_wdt_info)) ? -EFAULT : 0;
+
+	case WDIOC_SETTIMEOUT:
+		if (get_user(value, (int *)arg))
+			return -EFAULT;
+
+		if ((value < 1) || (value > WDT_MAX_TIMEOUT))
+			return -EINVAL;
+
+		timeout = value;
+
+		/* restart wdt to use new timeout */
+		gemini_wdt_stop(gemini_wdt);
+		gemini_wdt_start(gemini_wdt);
+
+		/* Fall through */
+	case WDIOC_GETTIMEOUT:
+		return put_user(timeout, (int *)arg);
+
+	case WDIOC_GETTIMELEFT:
+		value = __raw_readl(gemini_wdt->base + GEMINI_WDCOUNTER);
+		return put_user(value / WDT_CLOCK, (int *)arg);
+
+	default:
+		return -ENOTTY;
+	}
+}
+
+/* Refresh the watchdog whenever device is written to. */
+static ssize_t gemini_wdt_write(struct file *file, const char *data,
+						size_t len, loff_t *ppos)
+{
+	struct gemini_wdt_struct *gemini_wdt = file->private_data;
+
+	if (len) {
+		if (!nowayout) {
+			size_t i;
+
+			clear_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status);
+			for (i = 0; i != len; i++) {
+				char c;
+
+				if (get_user(c, data + i))
+					return -EFAULT;
+				if (c == 'V')
+					set_bit(WDT_OK_TO_CLOSE,
+						&gemini_wdt->status);
+			}
+		}
+		gemini_wdt_service(gemini_wdt);
+	}
+
+	return len;
+}
+
+static const struct file_operations gemini_wdt_fops = {
+	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
+	.unlocked_ioctl = gemini_wdt_ioctl,
+	.open		= gemini_wdt_open,
+	.release	= gemini_wdt_close,
+	.write		= gemini_wdt_write,
+};
+
+static struct miscdevice gemini_wdt_miscdev = {
+	.minor		= WATCHDOG_MINOR,
+	.name		= "watchdog",
+	.fops		= &gemini_wdt_fops,
+};
+
+static void gemini_wdt_shutdown(struct platform_device *pdev)
+{
+	struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
+
+	gemini_wdt_stop(gemini_wdt);
+}
+
+static int gemini_wdt_probe(struct platform_device *pdev)
+{
+	int ret;
+	int res_size;
+	struct resource *res;
+	void __iomem *base;
+	struct gemini_wdt_struct *gemini_wdt;
+	unsigned int reg;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "can't get device resources\n");
+		return -ENODEV;
+	}
+
+	res_size = resource_size(res);
+	if (!request_mem_region(res->start, res_size, res->name)) {
+		dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n",
+			res_size, res->start);
+		return -ENOMEM;
+	}
+
+	base = ioremap(res->start, res_size);
+	if (!base) {
+		dev_err(&pdev->dev, "ioremap failed\n");
+		ret = -EIO;
+		goto fail0;
+	}
+
+	gemini_wdt = kzalloc(sizeof(struct gemini_wdt_struct), GFP_KERNEL);
+	if (!gemini_wdt) {
+		dev_err(&pdev->dev, "can't allocate interface\n");
+		ret = -ENOMEM;
+		goto fail1;
+	}
+
+	/* Setup gemini_wdt driver structure */
+	gemini_wdt->base = base;
+	gemini_wdt->res = res;
+
+	/* Set up platform driver data */
+	platform_set_drvdata(pdev, gemini_wdt);
+	gemini_wdt_dev = pdev;
+
+	if (gemini_wdt_miscdev.parent) {
+		ret = -EBUSY;
+		goto fail2;
+	}
+
+	gemini_wdt_miscdev.parent = &pdev->dev;
+
+	reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
+	if (reg & WDCR_ENABLE) {
+		/* Watchdog was enabled by the bootloader, disable it. */
+		reg &= ~(WDCR_ENABLE);
+		__raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
+	}
+
+	ret = misc_register(&gemini_wdt_miscdev);
+	if (ret)
+		goto fail2;
+
+	return 0;
+
+fail2:
+	platform_set_drvdata(pdev, NULL);
+	kfree(gemini_wdt);
+fail1:
+	iounmap(base);
+fail0:
+	release_mem_region(res->start, res_size);
+
+	return ret;
+}
+
+static int gemini_wdt_remove(struct platform_device *pdev)
+{
+	struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
+
+	platform_set_drvdata(pdev, NULL);
+	misc_deregister(&gemini_wdt_miscdev);
+	gemini_wdt_dev = NULL;
+	iounmap(gemini_wdt->base);
+	release_mem_region(gemini_wdt->res->start, resource_size(gemini_wdt->res));
+
+	kfree(gemini_wdt);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int gemini_wdt_suspend(struct platform_device *pdev, pm_message_t message)
+{
+	struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
+	unsigned int reg;
+
+	reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
+	reg &= ~(WDCR_WDENABLE);
+	__raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
+
+	return 0;
+}
+
+static int gemini_wdt_resume(struct platform_device *pdev)
+{
+	struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
+	unsigned int reg;
+
+	if (gemini_wdt->status) {
+		reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
+		reg |= WDCR_WDENABLE;
+		__raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
+	}
+
+	return 0;
+}
+#else
+#define gemini_wdt_suspend	NULL
+#define gemini_wdt_resume	NULL
+#endif
+
+static struct platform_driver gemini_wdt_driver = {
+	.probe		= gemini_wdt_probe,
+	.remove		= gemini_wdt_remove,
+	.shutdown	= gemini_wdt_shutdown,
+	.suspend	= gemini_wdt_suspend,
+	.resume		= gemini_wdt_resume,
+	.driver		= {
+		.name	= "gemini-wdt",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init gemini_wdt_init(void)
+{
+	return platform_driver_probe(&gemini_wdt_driver, gemini_wdt_probe);
+}
+
+static void __exit gemini_wdt_exit(void)
+{
+	platform_driver_unregister(&gemini_wdt_driver);
+}
+
+module_init(gemini_wdt_init);
+module_exit(gemini_wdt_exit);
+
+module_param(timeout, uint, 0);
+MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds");
+
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
+
+MODULE_AUTHOR("Paulius Zaleckas");
+MODULE_DESCRIPTION("Watchdog driver for Gemini");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
+MODULE_ALIAS("platform:gemini-wdt");
--- a/target/linux/gemini/patches-4.4/050-gpio-to-irq.patch
+++ b/target/linux/gemini/patches-4.4/050-gpio-to-irq.patch
@ -0,0 +1,21 @@
+--- a/arch/arm/mach-gemini/gpio.c
+++ b/arch/arm/mach-gemini/gpio.c
+@@ -196,12 +196,18 @@ static int gemini_gpio_direction_output(
+ 	return 0;
+ }
+ 
+static int gemini_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+{
+	return gpio + GPIO_IRQ_BASE;
+}
+
+ static struct gpio_chip gemini_gpio_chip = {
+ 	.label			= "Gemini",
+ 	.direction_input	= gemini_gpio_direction_input,
+ 	.get			= gemini_gpio_get,
+ 	.direction_output	= gemini_gpio_direction_output,
+ 	.set			= gemini_gpio_set,
+	.to_irq			= gemini_gpio_to_irq,
+ 	.base			= 0,
+ 	.ngpio			= GPIO_PORT_NUM * 32,
+ };
--- a/target/linux/gemini/patches-4.4/060-cache-fa.diff
+++ b/target/linux/gemini/patches-4.4/060-cache-fa.diff
@ -0,0 +1,41 @@
+--- a/arch/arm/mm/cache-fa.S
+++ b/arch/arm/mm/cache-fa.S
+@@ -24,7 +24,8 @@
+ /*
+  * The size of one data cache line.
+  */
+-#define CACHE_DLINESIZE	16
+#define CACHE_DLINESIZE		16
+#define CACHE_DLINESHIFT	4
+ 
+ /*
+  * The total size of the data cache.
+@@ -169,7 +170,17 @@ ENTRY(fa_flush_kern_dcache_area)
+  *	- start  - virtual start address
+  *	- end	 - virtual end address
+  */
+__flush_whole_dcache:
+	mcr	p15, 0, r0, c7, c14, 0		@ clean/invalidate D cache
+	mov	r0, #0
+	mcr	p15, 0, r0, c7, c10, 4		@ drain write buffer
+	mov	pc, lr
+
+ fa_dma_inv_range:
+	sub	r3, r1, r0			@ calculate total size
+	cmp	r3, #CACHE_DLIMIT		@ total size >= limit?
+	bhs	__flush_whole_dcache		@ flush whole D cache
+
+ 	tst	r0, #CACHE_DLINESIZE - 1
+ 	bic	r0, r0, #CACHE_DLINESIZE - 1
+ 	mcrne	p15, 0, r0, c7, c14, 1		@ clean & invalidate D entry
+@@ -193,6 +204,10 @@ fa_dma_inv_range:
+  *	- end	 - virtual end address
+  */
+ fa_dma_clean_range:
+	sub	r3, r1, r0			@ calculate total size
+	cmp	r3, #CACHE_DLIMIT		@ total size >= limit?
+	bhs	__flush_whole_dcache		@ flush whole D cache
+
+ 	bic	r0, r0, #CACHE_DLINESIZE - 1
+ 1:	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry
+ 	add	r0, r0, #CACHE_DLINESIZE
--- a/target/linux/gemini/patches-4.4/110-watchdog-add-gemini_wdt-driver.patch
+++ b/target/linux/gemini/patches-4.4/110-watchdog-add-gemini_wdt-driver.patch
@ -0,0 +1,29 @@
+--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
+@@ -229,6 +229,16 @@ config 977_WATCHDOG
+ 
+ 	  Not sure? It's safe to say N.
+ 
+config GEMINI_WATCHDOG
+	tristate "Gemini watchdog"
+	depends on ARCH_GEMINI
+	help
+	  Say Y here if to include support for the watchdog timer
+	  embedded in the Cortina Systems Gemini family of devices.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called gemini_wdt.
+
+ config IXP4XX_WATCHDOG
+ 	tristate "IXP4xx Watchdog"
+ 	depends on ARCH_IXP4XX
+--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
+@@ -37,6 +37,7 @@ obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.
+ obj-$(CONFIG_TWL4030_WATCHDOG) += twl4030_wdt.o
+ obj-$(CONFIG_21285_WATCHDOG) += wdt285.o
+ 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_S3C2410_WATCHDOG) += s3c2410_wdt.o
--- a/target/linux/gemini/patches-4.4/111-arm-gemini-add-watchdog-device.patch
+++ b/target/linux/gemini/patches-4.4/111-arm-gemini-add-watchdog-device.patch
@ -0,0 +1,33 @@
+--- a/arch/arm/mach-gemini/devices.c
+++ b/arch/arm/mach-gemini/devices.c
+@@ -116,3 +116,20 @@ int __init platform_register_rtc(void)
+ 	return platform_device_register(&gemini_rtc_device);
+ }
+ 
+static struct resource wdt_resource = {
+	.start	= GEMINI_WAQTCHDOG_BASE,
+	.end	= GEMINI_WAQTCHDOG_BASE + 0x18,
+	.flags  = IORESOURCE_MEM,
+};
+
+static struct platform_device wdt_device = {
+	.name		= "gemini-wdt",
+	.id		= 0,
+	.resource	= &wdt_resource,
+	.num_resources	= 1,
+};
+
+int __init platform_register_watchdog(void)
+{
+	return platform_device_register(&wdt_device);
+}
+--- a/arch/arm/mach-gemini/common.h
+++ b/arch/arm/mach-gemini/common.h
+@@ -27,6 +27,7 @@ extern int platform_register_uart(void);
+ extern int platform_register_pflash(unsigned int size,
+ 				    struct mtd_partition *parts,
+ 				    unsigned int nr_parts);
+extern int platform_register_watchdog(void);
+ 
+ extern void gemini_restart(enum reboot_mode mode, const char *cmd);
+ 
--- a/target/linux/gemini/patches-4.4/112-arm-gemini-register-watchdog-devices.patch
+++ b/target/linux/gemini/patches-4.4/112-arm-gemini-register-watchdog-devices.patch
@ -0,0 +1,40 @@
+--- a/arch/arm/mach-gemini/board-nas4220b.c
+++ b/arch/arm/mach-gemini/board-nas4220b.c
+@@ -94,6 +94,7 @@ static void __init ib4220b_init(void)
+ 	platform_device_register(&ib4220b_led_device);
+ 	platform_device_register(&ib4220b_key_device);
+ 	platform_register_rtc();
+	platform_register_watchdog();
+ }
+ 
+ MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")
+--- a/arch/arm/mach-gemini/board-wbd111.c
+++ b/arch/arm/mach-gemini/board-wbd111.c
+@@ -121,6 +121,7 @@ static void __init wbd111_init(void)
+ 	platform_device_register(&wbd111_leds_device);
+ 	platform_device_register(&wbd111_keys_device);
+ 	platform_register_rtc();
+	platform_register_watchdog();
+ }
+ 
+ MACHINE_START(WBD111, "Wiliboard WBD-111")
+--- a/arch/arm/mach-gemini/board-wbd222.c
+++ b/arch/arm/mach-gemini/board-wbd222.c
+@@ -121,6 +121,7 @@ static void __init wbd222_init(void)
+ 	platform_device_register(&wbd222_leds_device);
+ 	platform_device_register(&wbd222_keys_device);
+ 	platform_register_rtc();
+	platform_register_watchdog();
+ }
+ 
+ MACHINE_START(WBD222, "Wiliboard WBD-222")
+--- a/arch/arm/mach-gemini/board-rut1xx.c
+++ b/arch/arm/mach-gemini/board-rut1xx.c
+@@ -80,6 +80,7 @@ static void __init rut1xx_init(void)
+ 	platform_device_register(&rut1xx_leds);
+ 	platform_device_register(&rut1xx_keys_device);
+ 	platform_register_rtc();
+	platform_register_watchdog();
+ }
+ 
+ MACHINE_START(RUT100, "Teltonika RUT100")
--- a/target/linux/gemini/patches-4.4/120-net-add-gemini-gmac-driver.patch
+++ b/target/linux/gemini/patches-4.4/120-net-add-gemini-gmac-driver.patch
@ -0,0 +1,20 @@
+--- a/drivers/net/ethernet/Kconfig
+++ b/drivers/net/ethernet/Kconfig
+@@ -73,6 +73,7 @@ source "drivers/net/ethernet/neterion/Kc
+ source "drivers/net/ethernet/faraday/Kconfig"
+ source "drivers/net/ethernet/freescale/Kconfig"
+ source "drivers/net/ethernet/fujitsu/Kconfig"
+source "drivers/net/ethernet/gemini/Kconfig"
+ source "drivers/net/ethernet/hisilicon/Kconfig"
+ source "drivers/net/ethernet/hp/Kconfig"
+ source "drivers/net/ethernet/ibm/Kconfig"
+--- a/drivers/net/ethernet/Makefile
+++ b/drivers/net/ethernet/Makefile
+@@ -36,6 +36,7 @@ obj-$(CONFIG_NET_VENDOR_EXAR) += neterio
+ obj-$(CONFIG_NET_VENDOR_FARADAY) += faraday/
+ obj-$(CONFIG_NET_VENDOR_FREESCALE) += freescale/
+ obj-$(CONFIG_NET_VENDOR_FUJITSU) += fujitsu/
+obj-$(CONFIG_NET_VENDOR_GEMINI) += gemini/
+ obj-$(CONFIG_NET_VENDOR_HISILICON) += hisilicon/
+ obj-$(CONFIG_NET_VENDOR_HP) += hp/
+ obj-$(CONFIG_NET_VENDOR_IBM) += ibm/
--- a/target/linux/gemini/patches-4.4/121-arm-gemini-add-gmac-device.patch
+++ b/target/linux/gemini/patches-4.4/121-arm-gemini-add-gmac-device.patch
@ -0,0 +1,85 @@
+--- a/arch/arm/mach-gemini/common.h
+++ b/arch/arm/mach-gemini/common.h
+@@ -15,6 +15,7 @@
+ #include <linux/reboot.h>
+ 
+ struct mtd_partition;
+struct gemini_gmac_platform_data;
+ 
+ extern void gemini_map_io(void);
+ extern void gemini_init_irq(void);
+@@ -28,6 +29,7 @@ extern int platform_register_pflash(unsi
+ 				    struct mtd_partition *parts,
+ 				    unsigned int nr_parts);
+ extern int platform_register_watchdog(void);
+extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
+ 
+ extern void gemini_restart(enum reboot_mode mode, const char *cmd);
+ 
+--- a/arch/arm/mach-gemini/devices.c
+++ b/arch/arm/mach-gemini/devices.c
+@@ -17,6 +17,7 @@
+ #include <mach/irqs.h>
+ #include <mach/hardware.h>
+ #include <mach/global_reg.h>
+#include <mach/gmac.h>
+ 
+ static struct plat_serial8250_port serial_platform_data[] = {
+ 	{
+@@ -133,3 +134,56 @@ int __init platform_register_watchdog(vo
+ {
+ 	return platform_device_register(&wdt_device);
+ }
+
+static struct resource gmac_resources[] = {
+	{
+		.start	= GEMINI_TOE_BASE,
+		.end	= GEMINI_TOE_BASE + 0xffff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= IRQ_GMAC0,
+		.end	= IRQ_GMAC0,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= IRQ_GMAC1,
+		.end	= IRQ_GMAC1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static u64 gmac_dmamask = 0xffffffffUL;
+
+static struct platform_device ethernet_device = {
+	.name	= "gmac-gemini",
+	.id	= 0,
+	.dev	= {
+		.dma_mask		= &gmac_dmamask,
+		.coherent_dma_mask	= 0xffffffff,
+	},
+	.num_resources	= ARRAY_SIZE(gmac_resources),
+	.resource	= gmac_resources,
+};
+
+int platform_register_ethernet(struct gemini_gmac_platform_data *pdata)
+{
+	unsigned int reg;
+
+	reg = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_MISC_CTRL));
+
+	reg &= ~(GMAC_GMII | GMAC_1_ENABLE);
+
+	if (pdata->bus_id[1])
+		reg |= GMAC_1_ENABLE;
+	else if (pdata->interface[0] == PHY_INTERFACE_MODE_GMII)
+		reg |= GMAC_GMII;
+
+	writel(reg, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_MISC_CTRL));
+
+	ethernet_device.dev.platform_data = pdata;
+
+	return platform_device_register(&ethernet_device);
+}
--- a/target/linux/gemini/patches-4.4/122-arm-gemini-register-ethernet.patch
+++ b/target/linux/gemini/patches-4.4/122-arm-gemini-register-ethernet.patch
@ -0,0 +1,227 @@
+--- a/arch/arm/mach-gemini/board-nas4220b.c
+++ b/arch/arm/mach-gemini/board-nas4220b.c
+@@ -19,6 +19,7 @@
+ #include <linux/input.h>
+ #include <linux/gpio_keys.h>
+ #include <linux/io.h>
+#include <linux/platform_data/mdio-gpio.h>
+ 
+ #include <asm/setup.h>
+ #include <asm/mach-types.h>
+@@ -27,9 +28,27 @@
+ 
+ #include <mach/hardware.h>
+ #include <mach/global_reg.h>
+#include <mach/gmac.h>
+ 
+ #include "common.h"
+ 
+static struct mdio_gpio_platform_data ib4220b_mdio = {
+	.mdc		= 22,
+	.mdio		= 21,
+	.phy_mask	= ~(1 << 1),
+};
+
+static struct platform_device ib4220b_phy_device = {
+	.name	= "mdio-gpio",
+	.id	= 0,
+	.dev	= { .platform_data = &ib4220b_mdio, },
+};
+
+static struct gemini_gmac_platform_data ib4220b_gmac_data = {
+	.bus_id[0]	= "gpio-0:01",
+	.interface[0]	= PHY_INTERFACE_MODE_RGMII,
+};
+
+ static struct gpio_led ib4220b_leds[] = {
+ 	{
+ 		.name			= "nas4220b:orange:hdd",
+@@ -86,15 +105,47 @@ static struct platform_device ib4220b_ke
+ 	},
+ };
+ 
+static void __init ib4220b_gmac_init(void)
+{
+	unsigned int val;
+
+	val = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_IO_DRIVING_CTRL));
+	val |= (0x3 << GMAC0_PADS_SHIFT) | (0x3 << GMAC1_PADS_SHIFT);
+	writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_IO_DRIVING_CTRL));
+
+	val = (0x0 << GMAC0_RXDV_SKEW_SHIFT) | (0xf << GMAC0_RXC_SKEW_SHIFT) |
+		(0x7 << GMAC0_TXEN_SKEW_SHIFT) | (0xb << GMAC0_TXC_SKEW_SHIFT) |
+		(0x0 << GMAC1_RXDV_SKEW_SHIFT) | (0xf << GMAC1_RXC_SKEW_SHIFT) |
+		(0x7 << GMAC1_TXEN_SKEW_SHIFT) | (0xa << GMAC1_TXC_SKEW_SHIFT);
+	writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_GMAC_CTRL_SKEW_CTRL));
+
+	writel(0x77777777, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_GMAC0_DATA_SKEW_CTRL));
+	writel(0x77777777, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_GMAC1_DATA_SKEW_CTRL));
+
+	val = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_ARBITRATION1_CTRL)) & ~BURST_LENGTH_MASK;
+	val |= (0x20 << BURST_LENGTH_SHIFT) | GMAC0_HIGH_PRIO | GMAC1_HIGH_PRIO;
+	writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_ARBITRATION1_CTRL));
+}
+
+ static void __init ib4220b_init(void)
+ {
+ 	gemini_gpio_init();
+	ib4220b_gmac_init();
+ 	platform_register_uart();
+ 	platform_register_pflash(SZ_16M, NULL, 0);
+ 	platform_device_register(&ib4220b_led_device);
+ 	platform_device_register(&ib4220b_key_device);
+ 	platform_register_rtc();
+ 	platform_register_watchdog();
+	platform_device_register(&ib4220b_phy_device);
+	platform_register_ethernet(&ib4220b_gmac_data);
+ }
+ 
+ MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")
+--- a/arch/arm/mach-gemini/board-wbd111.c
+++ b/arch/arm/mach-gemini/board-wbd111.c
+@@ -17,13 +17,34 @@
+ #include <linux/gpio_keys.h>
+ #include <linux/mtd/mtd.h>
+ #include <linux/mtd/partitions.h>
+#include <linux/platform_data/mdio-gpio.h>
+ #include <asm/mach-types.h>
+ #include <asm/mach/arch.h>
+ #include <asm/mach/time.h>
+ 
+#include <mach/gmac.h>
+ 
+ #include "common.h"
+ 
+static struct mdio_gpio_platform_data wbd111_mdio = {
+	.mdc		= 22,
+	.mdio		= 21,
+	.phy_mask	= ~(1 << 1),
+};
+
+static struct platform_device wbd111_phy_device = {
+	.name	= "mdio-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &wbd111_mdio,
+	},
+};
+
+static struct gemini_gmac_platform_data gmac_data = {
+	.bus_id[0] = "gpio-0:01",
+	.interface[0] = PHY_INTERFACE_MODE_MII,
+};
+
+ static struct gpio_keys_button wbd111_keys[] = {
+ 	{
+ 		.code		= KEY_SETUP,
+@@ -122,6 +143,8 @@ static void __init wbd111_init(void)
+ 	platform_device_register(&wbd111_keys_device);
+ 	platform_register_rtc();
+ 	platform_register_watchdog();
+	platform_device_register(&wbd111_phy_device);
+	platform_register_ethernet(&gmac_data);
+ }
+ 
+ MACHINE_START(WBD111, "Wiliboard WBD-111")
+--- a/arch/arm/mach-gemini/board-wbd222.c
+++ b/arch/arm/mach-gemini/board-wbd222.c
+@@ -17,13 +17,36 @@
+ #include <linux/gpio_keys.h>
+ #include <linux/mtd/mtd.h>
+ #include <linux/mtd/partitions.h>
+#include <linux/platform_data/mdio-gpio.h>
+ #include <asm/mach-types.h>
+ #include <asm/mach/arch.h>
+ #include <asm/mach/time.h>
+ 
+#include <mach/gmac.h>
+ 
+ #include "common.h"
+ 
+static struct mdio_gpio_platform_data wbd222_mdio = {
+	.mdc		= 22,
+	.mdio		= 21,
+	.phy_mask	= ~((1 << 1) | (1 << 3)),
+};
+
+static struct platform_device wbd222_phy_device = {
+	.name	= "mdio-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &wbd222_mdio,
+	},
+};
+
+static struct gemini_gmac_platform_data gmac_data = {
+	.bus_id[0] = "gpio-0:01",
+	.interface[0] = PHY_INTERFACE_MODE_MII,
+	.bus_id[1] = "gpio-0:03",
+        .interface[1] = PHY_INTERFACE_MODE_MII,
+};
+
+ static struct gpio_keys_button wbd222_keys[] = {
+ 	{
+ 		.code		= KEY_SETUP,
+@@ -122,6 +145,8 @@ static void __init wbd222_init(void)
+ 	platform_device_register(&wbd222_keys_device);
+ 	platform_register_rtc();
+ 	platform_register_watchdog();
+	platform_device_register(&wbd222_phy_device);
+	platform_register_ethernet(&gmac_data);
+ }
+ 
+ MACHINE_START(WBD222, "Wiliboard WBD-222")
+--- a/arch/arm/mach-gemini/board-rut1xx.c
+++ b/arch/arm/mach-gemini/board-rut1xx.c
+@@ -15,13 +15,35 @@
+ #include <linux/input.h>
+ #include <linux/gpio_keys.h>
+ #include <linux/sizes.h>
+#include <linux/platform_data/mdio-gpio.h>
+ 
+ #include <asm/mach-types.h>
+ #include <asm/mach/arch.h>
+ #include <asm/mach/time.h>
+ 
+#include <mach/gmac.h>
+
+ #include "common.h"
+ 
+static struct mdio_gpio_platform_data rut1xx_mdio = {
+	.mdc		= 22,
+	.mdio		= 21,
+	.phy_mask	= ~(1 << 1),
+};
+
+static struct platform_device rut1xx_phy_device = {
+	.name	= "mdio-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &rut1xx_mdio,
+	},
+};
+
+static struct gemini_gmac_platform_data gmac_data = {
+	.bus_id[0] = "gpio-0:01",
+	.interface[0] = PHY_INTERFACE_MODE_MII,
+};
+
+ static struct gpio_keys_button rut1xx_keys[] = {
+ 	{
+ 		.code		= KEY_SETUP,
+@@ -81,6 +103,8 @@ static void __init rut1xx_init(void)
+ 	platform_device_register(&rut1xx_keys_device);
+ 	platform_register_rtc();
+ 	platform_register_watchdog();
+	platform_device_register(&rut1xx_phy_device);
+	platform_register_ethernet(&gmac_data);
+ }
+ 
+ MACHINE_START(RUT100, "Teltonika RUT100")
--- a/target/linux/gemini/patches-4.4/130-usb-ehci-add-fot2g-driver.patch
+++ b/target/linux/gemini/patches-4.4/130-usb-ehci-add-fot2g-driver.patch
@ -0,0 +1,133 @@
+--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
+@@ -352,11 +352,13 @@ static void ehci_silence_controller(stru
+ 	ehci->rh_state = EHCI_RH_HALTED;
+ 	ehci_turn_off_all_ports(ehci);
+ 
+#ifndef CONFIG_ARCH_GEMINI
+ 	/* make BIOS/etc use companion controller during reboot */
+ 	ehci_writel(ehci, 0, &ehci->regs->configured_flag);
+ 
+ 	/* unblock posted writes */
+ 	ehci_readl(ehci, &ehci->regs->configured_flag);
+#endif
+ 	spin_unlock_irq(&ehci->lock);
+ }
+ 
+@@ -608,7 +610,9 @@ static int ehci_run (struct usb_hcd *hcd
+ 	// Philips, Intel, and maybe others need CMD_RUN before the
+ 	// root hub will detect new devices (why?); NEC doesn't
+ 	ehci->command &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET);
+#ifndef CONFIG_ARCH_GEMINI
+ 	ehci->command |= CMD_RUN;
+#endif
+ 	ehci_writel(ehci, ehci->command, &ehci->regs->command);
+ 	dbg_cmd (ehci, "init", ehci->command);
+ 
+@@ -628,9 +632,11 @@ static int ehci_run (struct usb_hcd *hcd
+ 	 */
+ 	down_write(&ehci_cf_port_reset_rwsem);
+ 	ehci->rh_state = EHCI_RH_RUNNING;
+#ifndef CONFIG_ARCH_GEMINI
+ 	ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
+ 	ehci_readl(ehci, &ehci->regs->command);	/* unblock posted writes */
+ 	msleep(5);
+#endif
+ 	up_write(&ehci_cf_port_reset_rwsem);
+ 	ehci->last_periodic_enable = ktime_get_real();
+ 
+@@ -768,9 +774,10 @@ static irqreturn_t ehci_irq (struct usb_
+ 		pcd_status = status;
+ 
+ 		/* resume root hub? */
+#ifndef CONFIG_ARCH_GEMINI
+ 		if (ehci->rh_state == EHCI_RH_SUSPENDED)
+ 			usb_hcd_resume_root_hub(hcd);
+-
+#endif
+ 		/* get per-port change detect bits */
+ 		if (ehci->has_ppcd)
+ 			ppcd = status >> 16;
+@@ -1296,6 +1303,11 @@ MODULE_LICENSE ("GPL");
+ #define	PLATFORM_DRIVER		ehci_hcd_sead3_driver
+ #endif
+ 
+#ifdef CONFIG_ARCH_GEMINI
+#include "ehci-fotg2.c"
+#define PLATFORM_DRIVER		ehci_fotg2_driver
+#endif
+
+ static int __init ehci_hcd_init(void)
+ {
+ 	int retval = 0;
+--- a/drivers/usb/host/ehci-timer.c
+++ b/drivers/usb/host/ehci-timer.c
+@@ -208,7 +208,9 @@ static void ehci_handle_controller_death
+ 
+ 	/* Clean up the mess */
+ 	ehci->rh_state = EHCI_RH_HALTED;
+#ifndef CONFIG_ARCH_GEMINI
+ 	ehci_writel(ehci, 0, &ehci->regs->configured_flag);
+#endif
+ 	ehci_writel(ehci, 0, &ehci->regs->intr_enable);
+ 	ehci_work(ehci);
+ 	end_unlink_async(ehci);
+--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
+@@ -657,7 +657,12 @@ static inline unsigned int
+ ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
+ {
+ 	if (ehci_is_TDI(ehci)) {
+-		switch ((portsc >> (ehci->has_hostpc ? 25 : 26)) & 3) {
+#ifdef CONFIG_ARCH_GEMINI
+		portsc = readl(ehci_to_hcd(ehci)->regs + 0x80);
+		switch ((portsc>>22)&3) {
+#else
+		switch ((portsc>>26)&3) {
+#endif
+ 		case 0:
+ 			return 0;
+ 		case 1:
+--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
+@@ -1076,6 +1076,11 @@ int ehci_hub_control(
+ 			/* see what we found out */
+ 			temp = check_reset_complete (ehci, wIndex, status_reg,
+ 					ehci_readl(ehci, status_reg));
+#ifdef CONFIG_ARCH_GEMINI
+			/* restart schedule */
+		 	ehci->command |= CMD_RUN;
+			ehci_writel(ehci, ehci->command, &ehci->regs->command);
+#endif
+ 		}
+ 
+ 		/* transfer dedicated ports to the companion hc */
+--- a/include/linux/usb/ehci_def.h
+++ b/include/linux/usb/ehci_def.h
+@@ -112,8 +112,13 @@ struct ehci_regs {
+ 	u32		frame_list;	/* points to periodic list */
+ 	/* ASYNCLISTADDR: offset 0x18 */
+ 	u32		async_next;	/* address of next async queue head */
+-
+#ifndef CONFIG_ARCH_GEMINI
+ 	u32		reserved1[2];
+#else
+	u32		reserved1;
+	/* PORTSC: offset 0x20 for Faraday OTG */
+	u32		port_status[1];
+#endif
+ 
+ 	/* TXFILLTUNING: offset 0x24 */
+ 	u32		txfill_tuning;	/* TX FIFO Tuning register */
+@@ -125,8 +130,11 @@ struct ehci_regs {
+ 	u32		configured_flag;
+ #define FLAG_CF		(1<<0)		/* true: we'll support "high speed" */
+ 
+#ifndef CONFIG_ARCH_GEMINI
+ 	/* PORTSC: offset 0x44 */
+ 	u32		port_status[0];	/* up to N_PORTS */
+#endif
+
+ /* EHCI 1.1 addendum */
+ #define PORTSC_SUSPEND_STS_ACK 0
+ #define PORTSC_SUSPEND_STS_NYET 1
--- a/target/linux/gemini/patches-4.4/131-arm-gemini-add-usb-device.patch
+++ b/target/linux/gemini/patches-4.4/131-arm-gemini-add-usb-device.patch
@ -0,0 +1,77 @@
+--- a/arch/arm/mach-gemini/devices.c
+++ b/arch/arm/mach-gemini/devices.c
+@@ -187,3 +187,64 @@ int platform_register_ethernet(struct ge
+ 
+ 	return platform_device_register(&ethernet_device);
+ }
+
+static struct resource usb0_resources[] = {
+	{
+		.start  = GEMINI_USB0_BASE,
+		.end    = GEMINI_USB0_BASE + 0xfff,
+		.flags  = IORESOURCE_MEM,
+	},
+	{
+		.start  = IRQ_USB0,
+		.end    = IRQ_USB0,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct resource usb1_resources[] = {
+	{
+		.start  = GEMINI_USB1_BASE,
+		.end    = GEMINI_USB1_BASE + 0xfff,
+		.flags  = IORESOURCE_MEM,
+	},
+	{
+		.start  = IRQ_USB1,
+		.end    = IRQ_USB1,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static u64 usb0_dmamask = 0xffffffffUL;
+static u64 usb1_dmamask = 0xffffffffUL;
+
+static struct platform_device usb_device[] = {
+	{
+		.name   = "ehci-fotg2",
+		.id     = 0,
+		.dev    = {
+			.dma_mask = &usb0_dmamask,
+			.coherent_dma_mask = 0xffffffff,
+		},
+		.num_resources  = ARRAY_SIZE(usb0_resources),
+		.resource       = usb0_resources,
+	},
+	{
+		.name   = "ehci-fotg2",
+		.id     = 1,
+		.dev    = {
+			.dma_mask = &usb1_dmamask,
+			.coherent_dma_mask = 0xffffffff,
+		},
+		.num_resources  = ARRAY_SIZE(usb1_resources),
+		.resource       = usb1_resources,
+	},
+};
+
+int __init platform_register_usb(unsigned int id)
+{
+	if (id > 1)
+		return -EINVAL;
+
+	return platform_device_register(&usb_device[id]);
+}
+
+--- a/arch/arm/mach-gemini/common.h
+++ b/arch/arm/mach-gemini/common.h
+@@ -30,6 +30,7 @@ extern int platform_register_pflash(unsi
+ 				    unsigned int nr_parts);
+ extern int platform_register_watchdog(void);
+ extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
+extern int platform_register_usb(unsigned int id);
+ 
+ extern void gemini_restart(enum reboot_mode mode, const char *cmd);
+ 
--- a/target/linux/gemini/patches-4.4/132-arm-gemini-register-usb.patch
+++ b/target/linux/gemini/patches-4.4/132-arm-gemini-register-usb.patch
@ -0,0 +1,65 @@
+--- a/arch/arm/mach-gemini/board-wbd111.c
+++ b/arch/arm/mach-gemini/board-wbd111.c
+@@ -145,6 +145,7 @@ static void __init wbd111_init(void)
+ 	platform_register_watchdog();
+ 	platform_device_register(&wbd111_phy_device);
+ 	platform_register_ethernet(&gmac_data);
+	platform_register_usb(0);
+ }
+ 
+ MACHINE_START(WBD111, "Wiliboard WBD-111")
+--- a/arch/arm/mach-gemini/board-wbd222.c
+++ b/arch/arm/mach-gemini/board-wbd222.c
+@@ -147,6 +147,7 @@ static void __init wbd222_init(void)
+ 	platform_register_watchdog();
+ 	platform_device_register(&wbd222_phy_device);
+ 	platform_register_ethernet(&gmac_data);
+	platform_register_usb(0);
+ }
+ 
+ MACHINE_START(WBD222, "Wiliboard WBD-222")
+--- a/arch/arm/mach-gemini/board-rut1xx.c
+++ b/arch/arm/mach-gemini/board-rut1xx.c
+@@ -105,6 +105,7 @@ static void __init rut1xx_init(void)
+ 	platform_register_watchdog();
+ 	platform_device_register(&rut1xx_phy_device);
+ 	platform_register_ethernet(&gmac_data);
+	platform_register_usb(0);
+ }
+ 
+ MACHINE_START(RUT100, "Teltonika RUT100")
+--- a/arch/arm/mach-gemini/board-nas4220b.c
+++ b/arch/arm/mach-gemini/board-nas4220b.c
+@@ -134,10 +134,23 @@ static void __init ib4220b_gmac_init(voi
+ 		GLOBAL_ARBITRATION1_CTRL));
+ }
+ 
+static void __init usb_ib4220b_init(void)
+{
+	unsigned int val;
+
+	val = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_MISC_CTRL));
+	val &= ~(USB0_PLUG_MINIB | USB1_PLUG_MINIB);
+	val |= USB0_VBUS_ON | USB1_VBUS_ON;
+	writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_MISC_CTRL));
+}
+
+ static void __init ib4220b_init(void)
+ {
+ 	gemini_gpio_init();
+ 	ib4220b_gmac_init();
+	usb_ib4220b_init();
+ 	platform_register_uart();
+ 	platform_register_pflash(SZ_16M, NULL, 0);
+ 	platform_device_register(&ib4220b_led_device);
+@@ -146,6 +159,8 @@ static void __init ib4220b_init(void)
+ 	platform_register_watchdog();
+ 	platform_device_register(&ib4220b_phy_device);
+ 	platform_register_ethernet(&ib4220b_gmac_data);
+	platform_register_usb(0);
+	platform_register_usb(1);
+ }
+ 
+ MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")
--- a/target/linux/gemini/patches-4.4/140-arm-gemini-add-pci-support.patch
+++ b/target/linux/gemini/patches-4.4/140-arm-gemini-add-pci-support.patch
@ -0,0 +1,66 @@
+--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
+@@ -399,6 +399,7 @@ config ARCH_GEMINI
+ 	select CLKSRC_MMIO
+ 	select CPU_FA526
+ 	select GENERIC_CLOCKEVENTS
+	select MIGHT_HAVE_PCI
+ 	help
+ 	  Support for the Cortina Systems Gemini family SoCs
+ 
+--- a/arch/arm/mach-gemini/include/mach/hardware.h
+++ b/arch/arm/mach-gemini/include/mach/hardware.h
+@@ -68,4 +68,9 @@
+  */
+ #define IO_ADDRESS(x)	IOMEM((((x) & 0xFFF00000) >> 4) | ((x) & 0x000FFFFF) | 0xF0000000)
+ 
+/*
+ * PCI subsystem macros
+ */
+#define pcibios_assign_all_busses()	1
+
+ #endif
+--- a/arch/arm/mach-gemini/include/mach/irqs.h
+++ b/arch/arm/mach-gemini/include/mach/irqs.h
+@@ -43,11 +43,14 @@
+ 
+ #define NORMAL_IRQ_NUM	32
+ 
+-#define GPIO_IRQ_BASE	NORMAL_IRQ_NUM
+#define PCI_IRQ_BASE	NORMAL_IRQ_NUM
+#define PCI_IRQ_NUM	4
+
+#define GPIO_IRQ_BASE	(NORMAL_IRQ_NUM + PCI_IRQ_NUM)
+ #define GPIO_IRQ_NUM	(3 * 32)
+ 
+ #define ARCH_TIMER_IRQ	IRQ_TIMER2
+ 
+-#define NR_IRQS		(NORMAL_IRQ_NUM + GPIO_IRQ_NUM)
+#define NR_IRQS		(NORMAL_IRQ_NUM + PCI_IRQ_NUM + GPIO_IRQ_NUM)
+ 
+ #endif /* __MACH_IRQS_H__ */
+--- a/arch/arm/mach-gemini/Makefile
+++ b/arch/arm/mach-gemini/Makefile
+@@ -6,6 +6,8 @@
+ 
+ obj-y			:= irq.o mm.o time.o devices.o gpio.o idle.o reset.o
+ 
+obj-$(CONFIG_PCI)	+= pci.o
+
+ # Board-specific support
+ obj-$(CONFIG_MACH_NAS4220B)	+= board-nas4220b.o
+ obj-$(CONFIG_MACH_RUT100)	+= board-rut1xx.o
+--- a/arch/arm/mach-gemini/mm.c
+++ b/arch/arm/mach-gemini/mm.c
+@@ -59,6 +59,11 @@ static struct map_desc gemini_io_desc[]
+ 		.length		= SZ_512K,
+ 		.type 		= MT_DEVICE,
+ 	}, {
+		.virtual	= (unsigned long)IO_ADDRESS(GEMINI_PCI_IO_BASE),
+		.pfn		= __phys_to_pfn(GEMINI_PCI_IO_BASE),
+		.length		= SZ_512K,
+		.type 		= MT_DEVICE,
+	}, {
+ 		.virtual	= (unsigned long)IO_ADDRESS(GEMINI_FLASH_CTRL_BASE),
+ 		.pfn		= __phys_to_pfn(GEMINI_FLASH_CTRL_BASE),
+ 		.length		= SZ_512K,
--- a/target/linux/gemini/patches-4.4/150-gemini-pata.patch
+++ b/target/linux/gemini/patches-4.4/150-gemini-pata.patch
@ -0,0 +1,192 @@
+--- a/arch/arm/mach-gemini/include/mach/global_reg.h
+++ b/arch/arm/mach-gemini/include/mach/global_reg.h
+@@ -227,7 +227,13 @@
+ #define USB0_PLUG_MINIB			(1 << 29)
+ #define GMAC_GMII			(1 << 28)
+ #define GMAC_1_ENABLE			(1 << 27)
+-/* TODO: define ATA/SATA bits */
+/* 011 - ata0 <-> sata0, sata1; bring out ata1
+ * 010 - ata1 <-> sata1, sata0; bring out ata0
+ * 001 - ata0 <-> sata0, ata1 <-> sata1; bring out ata1
+ * 000 - ata0 <-> sata0, ata1 <-> sata1; bring out ata0 */
+#define IDE_IOMUX_MASK			(7 << 24)
+#define IDE_IOMUX_SATA1_SATA0	(2 << 24)
+#define IDE_IOMUX_SATA0_SATA1	(3 << 24)
+ #define USB1_VBUS_ON			(1 << 23)
+ #define USB0_VBUS_ON			(1 << 22)
+ #define APB_CLKOUT_ENABLE		(1 << 21)
+--- a/arch/arm/mach-gemini/irq.c
+++ b/arch/arm/mach-gemini/irq.c
+@@ -89,6 +89,9 @@ void __init gemini_init_irq(void)
+ 			irq_set_handler(i, handle_edge_irq);
+ 			mode |= 1 << i;
+ 			level |= 1 << i;
+ 		} else if (i >= IRQ_IDE0 && i <= IRQ_IDE1) {
+ 			irq_set_handler(i, handle_edge_irq);
+ 			mode |= 1 << i;
+ 		} else {			
+ 			irq_set_handler(i, handle_level_irq);
+ 		}
+--- a/arch/arm/mach-gemini/common.h
+++ b/arch/arm/mach-gemini/common.h
+@@ -31,6 +31,7 @@ extern int platform_register_pflash(unsi
+ extern int platform_register_watchdog(void);
+ extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
+ extern int platform_register_usb(unsigned int id);
+extern int platform_register_pata(unsigned int id);
+ 
+ extern void gemini_restart(enum reboot_mode mode, const char *cmd);
+ 
+--- a/arch/arm/mach-gemini/devices.c
+++ b/arch/arm/mach-gemini/devices.c
+@@ -248,3 +248,67 @@ int __init platform_register_usb(unsigne
+ 	return platform_device_register(&usb_device[id]);
+ }
+ 
+static u64 pata_gemini_dmamask0 = 0xffffffffUL;
+static u64 pata_gemini_dmamask1 = 0xffffffffUL;
+
+static struct resource pata_gemini_resources0[] =
+{
+	[0] =	{
+			.start	= GEMINI_IDE0_BASE,
+			.end	= GEMINI_IDE0_BASE + 0x40,
+			.flags	= IORESOURCE_MEM,
+		},
+	[1] =	{
+			.start	= IRQ_IDE0,
+			.end	= IRQ_IDE0,
+			.flags  = IORESOURCE_IRQ,
+		},
+};
+
+static struct resource pata_gemini_resources1[] =
+{
+	[0] =	{
+			.start	= GEMINI_IDE1_BASE,
+			.end	= GEMINI_IDE1_BASE + 0x40,
+			.flags	= IORESOURCE_MEM,
+		},
+	[1] =	{
+			.start  = IRQ_IDE1,
+			.end    = IRQ_IDE1,
+			.flags  = IORESOURCE_IRQ,
+		},
+};
+
+static struct platform_device pata_gemini_devices[] =
+{
+	{
+		.name		= "pata-gemini",
+		.id		= 0,
+		.dev		=
+		{
+			.dma_mask		= &pata_gemini_dmamask0,
+			.coherent_dma_mask	= 0xffffffff,
+		},
+		.num_resources	= ARRAY_SIZE(pata_gemini_resources0),
+		.resource	= pata_gemini_resources0,
+	},
+	{
+		.name		= "pata-gemini",
+		.id		= 1,
+		.dev		=
+		{
+			.dma_mask		= &pata_gemini_dmamask1,
+			.coherent_dma_mask	= 0xffffffff,
+		},
+		.num_resources	= ARRAY_SIZE(pata_gemini_resources1),
+		.resource	= pata_gemini_resources1,
+	},
+};
+
+int __init platform_register_pata(unsigned int id)
+{
+	if (id > 1)
+		return -EINVAL;
+
+	return platform_device_register(&pata_gemini_devices[id]);
+}
+--- a/arch/arm/mach-gemini/mm.c
+++ b/arch/arm/mach-gemini/mm.c
+@@ -24,6 +24,11 @@ static struct map_desc gemini_io_desc[]
+ 		.length		= SZ_512K,
+ 		.type 		= MT_DEVICE,
+ 	}, {
+		.virtual	= (unsigned long)IO_ADDRESS(GEMINI_SATA_BASE),
+		.pfn		= __phys_to_pfn(GEMINI_SATA_BASE),
+		.length		= SZ_512K,
+		.type		= MT_DEVICE,
+	}, {
+ 		.virtual	= (unsigned long)IO_ADDRESS(GEMINI_UART_BASE),
+ 		.pfn		= __phys_to_pfn(GEMINI_UART_BASE),
+ 		.length		= SZ_512K,
+--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
+@@ -564,6 +564,16 @@ config PATA_EP93XX
+ 
+ 	  If unsure, say N.
+ 
+config PATA_GEMINI
+	tristate "Gemini PATA support (Experimental)"
+	depends on ARCH_GEMINI
+	help
+	  This option enables support for the Gemini PATA-Controller.
+	  Note that the Gemini SoC has no native SATA-Controller but an
+	  onboard PATA-SATA bridge.
+
+	  If unsure, say N.
+
+ config PATA_HPT366
+ 	tristate "HPT 366/368 PATA support"
+ 	depends on PCI
+--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
+@@ -56,6 +56,7 @@ obj-$(CONFIG_PATA_CS5536)	+= pata_cs5536
+ obj-$(CONFIG_PATA_CYPRESS)	+= pata_cypress.o
+ obj-$(CONFIG_PATA_EFAR)		+= pata_efar.o
+ obj-$(CONFIG_PATA_EP93XX)	+= pata_ep93xx.o
+obj-$(CONFIG_PATA_GEMINI)	+= pata_gemini.o
+ obj-$(CONFIG_PATA_HPT366)	+= pata_hpt366.o
+ obj-$(CONFIG_PATA_HPT37X)	+= pata_hpt37x.o
+ obj-$(CONFIG_PATA_HPT3X2N)	+= pata_hpt3x2n.o
+--- a/arch/arm/mach-gemini/board-nas4220b.c
+++ b/arch/arm/mach-gemini/board-nas4220b.c
+@@ -146,11 +146,28 @@ static void __init usb_ib4220b_init(void
+ 		GLOBAL_MISC_CTRL));
+ }
+ 
+static void __init sata_ib4220b_init(void)
+{
+	unsigned val;
+
+	val = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_MISC_CTRL));
+	val &= ~(IDE_IOMUX_MASK | PFLASH_PADS_DISABLE);
+	val |= IDE_PADS_ENABLE;
+	writel(val, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_MISC_CTRL));
+
+	/* enabling ports for presence detection, master only */
+	writel(0x00000001, (void __iomem*)(IO_ADDRESS(GEMINI_SATA_BASE) + 0x18));
+	writel(0x00000001, (void __iomem*)(IO_ADDRESS(GEMINI_SATA_BASE) + 0x1c));
+}
+
+ static void __init ib4220b_init(void)
+ {
+ 	gemini_gpio_init();
+ 	ib4220b_gmac_init();
+ 	usb_ib4220b_init();
+	sata_ib4220b_init();
+ 	platform_register_uart();
+ 	platform_register_pflash(SZ_16M, NULL, 0);
+ 	platform_device_register(&ib4220b_led_device);
+@@ -161,6 +178,8 @@ static void __init ib4220b_init(void)
+ 	platform_register_ethernet(&ib4220b_gmac_data);
+ 	platform_register_usb(0);
+ 	platform_register_usb(1);
+	platform_register_pata(0);
+	platform_register_pata(1);
+ }
+ 
+ MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")
--- a/target/linux/gemini/raidsonic/config-4.4
+++ b/target/linux/gemini/raidsonic/config-4.4
@ -0,0 +1,5 @@
+CONFIG_CMDLINE="rootfstype=squashfs,jffs2 noinitrd console=ttyS0,19200 mem=128M mtdparts=physmap-flash.0:128k(BOOT),3072k(Kern),6144k(Ramdisk),6144k(Application),128k(VCTL),640k(CurConf),128k(FIS-directory),12288k@0x320000(rootfs),15360k@0x20000(firmware) root=/dev/mtdblock7"
+CONFIG_MACH_NAS4220B=y
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_SPLIT_FIRMWARE=y