Add the rt linux 4.1.3-rt3 as base

Import the rt linux 4.1.3-rt3 as OPNFV kvm base.

It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:

commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date:   Sat Jul 25 12:13:34 2015 +0200

    Prepare v4.1.3-rt3

    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.

Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>

7 files changed, 309 insertions, 0 deletions

diff --git a/kernel/arch/arm/plat-orion/include/plat/addr-map.h b/kernel/arch/arm/plat-orion/include/plat/addr-map.h
new file mode 100644
index 000000000..b76c06569
--- /dev/null
+++ b/kernel/arch/arm/plat-orion/include/plat/addr-map.h
@@ -0,0 +1,54 @@
+/*
+ * arch/arm/plat-orion/include/plat/addr-map.h
+ *
+ * Marvell Orion SoC address map handling.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __PLAT_ADDR_MAP_H
+#define __PLAT_ADDR_MAP_H
+
+extern struct mbus_dram_target_info orion_mbus_dram_info;
+
+struct orion_addr_map_cfg {
+	const int num_wins;	/* Total number of windows */
+	const int remappable_wins;
+	void __iomem *bridge_virt_base;
+	int hw_io_coherency;
+
+	/* If NULL, the default cpu_win_can_remap will be used, using
+	   the value in remappable_wins */
+	int (*cpu_win_can_remap) (const struct orion_addr_map_cfg *cfg,
+				  const int win);
+	/* If NULL, the default win_cfg_base will be used, using the
+	   value in bridge_virt_base */
+	void __iomem *(*win_cfg_base) (const struct orion_addr_map_cfg *cfg,
+				 const int win);
+};
+
+/*
+ * Information needed to setup one address mapping.
+ */
+struct orion_addr_map_info {
+	const int win;
+	const u32 base;
+	const u32 size;
+	const u8 target;
+	const u8 attr;
+	const int remap;
+};
+
+void __init orion_config_wins(struct orion_addr_map_cfg *cfg,
+			      const struct orion_addr_map_info *info);
+
+void __init orion_setup_cpu_win(const struct orion_addr_map_cfg *cfg,
+				const int win, const u32 base,
+				const u32 size, const u8 target,
+				const u8 attr, const int remap);
+
+void __init orion_setup_cpu_mbus_target(const struct orion_addr_map_cfg *cfg,
+					const void __iomem *ddr_window_cpu_base);
+#endif
diff --git a/kernel/arch/arm/plat-orion/include/plat/common.h b/kernel/arch/arm/plat-orion/include/plat/common.h
new file mode 100644
index 000000000..d9a24f605
--- /dev/null
+++ b/kernel/arch/arm/plat-orion/include/plat/common.h
@@ -0,0 +1,113 @@
+/*
+ * arch/arm/plat-orion/include/plat/common.h
+ *
+ * Marvell Orion SoC common setup code used by different mach-/common.c
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __PLAT_COMMON_H
+#include <linux/mv643xx_eth.h>
+#include <linux/platform_data/usb-ehci-orion.h>
+
+struct dsa_platform_data;
+struct mv_sata_platform_data;
+
+void __init orion_uart0_init(void __iomem *membase,
+			     resource_size_t mapbase,
+			     unsigned int irq,
+			     struct clk *clk);
+
+void __init orion_uart1_init(void __iomem *membase,
+			     resource_size_t mapbase,
+			     unsigned int irq,
+			     struct clk *clk);
+
+void __init orion_uart2_init(void __iomem *membase,
+			     resource_size_t mapbase,
+			     unsigned int irq,
+			     struct clk *clk);
+
+void __init orion_uart3_init(void __iomem *membase,
+			     resource_size_t mapbase,
+			     unsigned int irq,
+			     struct clk *clk);
+
+void __init orion_rtc_init(unsigned long mapbase,
+			   unsigned long irq);
+
+void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data,
+			    unsigned long mapbase,
+			    unsigned long irq,
+			    unsigned long irq_err,
+			    unsigned int tx_csum_limit);
+
+void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data,
+			    unsigned long mapbase,
+			    unsigned long irq,
+			    unsigned long irq_err,
+			    unsigned int tx_csum_limit);
+
+void __init orion_ge10_init(struct mv643xx_eth_platform_data *eth_data,
+			    unsigned long mapbase,
+			    unsigned long irq,
+			    unsigned long irq_err);
+
+void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data,
+			    unsigned long mapbase,
+			    unsigned long irq,
+			    unsigned long irq_err);
+
+void __init orion_ge00_switch_init(struct dsa_platform_data *d,
+				   int irq);
+
+void __init orion_i2c_init(unsigned long mapbase,
+			   unsigned long irq,
+			   unsigned long freq_m);
+
+void __init orion_i2c_1_init(unsigned long mapbase,
+			     unsigned long irq,
+			     unsigned long freq_m);
+
+void __init orion_spi_init(unsigned long mapbase);
+
+void __init orion_spi_1_init(unsigned long mapbase);
+
+void __init orion_wdt_init(void);
+
+void __init orion_xor0_init(unsigned long mapbase_low,
+			    unsigned long mapbase_high,
+			    unsigned long irq_0,
+			    unsigned long irq_1);
+
+void __init orion_xor1_init(unsigned long mapbase_low,
+			    unsigned long mapbase_high,
+			    unsigned long irq_0,
+			    unsigned long irq_1);
+
+void __init orion_ehci_init(unsigned long mapbase,
+			    unsigned long irq,
+			    enum orion_ehci_phy_ver phy_version);
+
+void __init orion_ehci_1_init(unsigned long mapbase,
+			      unsigned long irq);
+
+void __init orion_ehci_2_init(unsigned long mapbase,
+			      unsigned long irq);
+
+void __init orion_sata_init(struct mv_sata_platform_data *sata_data,
+			    unsigned long mapbase,
+			    unsigned long irq);
+
+void __init orion_crypto_init(unsigned long mapbase,
+			      unsigned long srambase,
+			      unsigned long sram_size,
+			      unsigned long irq);
+
+void __init orion_clkdev_add(const char *con_id, const char *dev_id,
+			     struct clk *clk);
+
+void __init orion_clkdev_init(struct clk *tclk);
+#endif
diff --git a/kernel/arch/arm/plat-orion/include/plat/irq.h b/kernel/arch/arm/plat-orion/include/plat/irq.h
new file mode 100644
index 000000000..96be19e9b
--- /dev/null
+++ b/kernel/arch/arm/plat-orion/include/plat/irq.h
@@ -0,0 +1,15 @@
+/*
+ * arch/arm/plat-orion/include/plat/irq.h
+ *
+ * Marvell Orion SoC IRQ handling.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __PLAT_IRQ_H
+#define __PLAT_IRQ_H
+
+void orion_irq_init(unsigned int irq_start, void __iomem *maskaddr);
+#endif
diff --git a/kernel/arch/arm/plat-orion/include/plat/mpp.h b/kernel/arch/arm/plat-orion/include/plat/mpp.h
new file mode 100644
index 000000000..254552fee
--- /dev/null
+++ b/kernel/arch/arm/plat-orion/include/plat/mpp.h
@@ -0,0 +1,34 @@
+/*
+ * arch/arm/plat-orion/include/plat/mpp.h
+ *
+ * Marvell Orion SoC MPP handling.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __PLAT_MPP_H
+#define __PLAT_MPP_H
+
+#define MPP_NUM(x)	((x) & 0xff)
+#define MPP_SEL(x)	(((x) >> 8) & 0xf)
+
+/* This is the generic MPP macro, without any variant information.
+   Each machine architecture is expected to extend this with further
+   bit fields indicating which MPP configurations are valid for a
+   specific variant. */
+
+#define GENERIC_MPP(_num, _sel, _in, _out) ( \
+	/* MPP number */		((_num) & 0xff) | \
+	/* MPP select value */		(((_sel) & 0xf) << 8) | \
+	/* may be input signal */	((!!(_in)) << 12) | \
+	/* may be output signal */	((!!(_out)) << 13))
+
+#define MPP_INPUT_MASK		GENERIC_MPP(0, 0x0, 1, 0)
+#define MPP_OUTPUT_MASK		GENERIC_MPP(0, 0x0, 0, 1)
+
+void __init orion_mpp_conf(unsigned int *mpp_list, unsigned int variant_mask,
+			   unsigned int mpp_max, void __iomem *dev_bus);
+
+#endif
diff --git a/kernel/arch/arm/plat-orion/include/plat/orion-gpio.h b/kernel/arch/arm/plat-orion/include/plat/orion-gpio.h
new file mode 100644
index 000000000..e856b073a
--- /dev/null
+++ b/kernel/arch/arm/plat-orion/include/plat/orion-gpio.h
@@ -0,0 +1,39 @@
+/*
+ * arch/arm/plat-orion/include/plat/orion-gpio.h
+ *
+ * Marvell Orion SoC GPIO handling.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __PLAT_GPIO_H
+#define __PLAT_GPIO_H
+
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/irqdomain.h>
+
+struct gpio_desc;
+
+/*
+ * Orion-specific GPIO API extensions.
+ */
+void orion_gpio_set_unused(unsigned pin);
+void orion_gpio_set_blink(unsigned pin, int blink);
+int orion_gpio_led_blink_set(struct gpio_desc *desc, int state,
+	unsigned long *delay_on, unsigned long *delay_off);
+
+#define GPIO_INPUT_OK		(1 << 0)
+#define GPIO_OUTPUT_OK		(1 << 1)
+void orion_gpio_set_valid(unsigned pin, int mode);
+
+/* Initialize gpiolib. */
+void __init orion_gpio_init(struct device_node *np,
+			    int gpio_base, int ngpio,
+			    void __iomem *base, int mask_offset,
+			    int secondary_irq_base,
+			    int irq[4]);
+
+#endif
diff --git a/kernel/arch/arm/plat-orion/include/plat/pcie.h b/kernel/arch/arm/plat-orion/include/plat/pcie.h
new file mode 100644
index 000000000..fe5b9e862
--- /dev/null
+++ b/kernel/arch/arm/plat-orion/include/plat/pcie.h
@@ -0,0 +1,34 @@
+/*
+ * arch/arm/plat-orion/include/plat/pcie.h
+ *
+ * Marvell Orion SoC PCIe handling.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __PLAT_PCIE_H
+#define __PLAT_PCIE_H
+
+struct pci_bus;
+
+u32 orion_pcie_dev_id(void __iomem *base);
+u32 orion_pcie_rev(void __iomem *base);
+int orion_pcie_link_up(void __iomem *base);
+int orion_pcie_x4_mode(void __iomem *base);
+int orion_pcie_get_local_bus_nr(void __iomem *base);
+void orion_pcie_set_local_bus_nr(void __iomem *base, int nr);
+void orion_pcie_reset(void __iomem *base);
+void orion_pcie_setup(void __iomem *base);
+int orion_pcie_rd_conf(void __iomem *base, struct pci_bus *bus,
+		       u32 devfn, int where, int size, u32 *val);
+int orion_pcie_rd_conf_tlp(void __iomem *base, struct pci_bus *bus,
+			   u32 devfn, int where, int size, u32 *val);
+int orion_pcie_rd_conf_wa(void __iomem *wa_base, struct pci_bus *bus,
+			  u32 devfn, int where, int size, u32 *val);
+int orion_pcie_wr_conf(void __iomem *base, struct pci_bus *bus,
+		       u32 devfn, int where, int size, u32 val);
+
+
+#endif
diff --git a/kernel/arch/arm/plat-orion/include/plat/time.h b/kernel/arch/arm/plat-orion/include/plat/time.h
new file mode 100644
index 000000000..07527e417
--- /dev/null
+++ b/kernel/arch/arm/plat-orion/include/plat/time.h
@@ -0,0 +1,20 @@
+/*
+ * arch/arm/plat-orion/include/plat/time.h
+ *
+ * Marvell Orion SoC time handling.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __PLAT_TIME_H
+#define __PLAT_TIME_H
+
+void orion_time_set_base(void __iomem *timer_base);
+
+void orion_time_init(void __iomem *bridge_base, u32 bridge_timer1_clr_mask,
+		     unsigned int irq, unsigned int tclk);
+
+
+#endif