File-copy from v4.4.100

This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Please refer to that tree for all history prior to this point.

Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/arch/mips/include/asm/octeon/cvmx-bootinfo.h b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
new file mode 100644
index 0000000..d92cf59
--- /dev/null
+++ b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
@@ -0,0 +1,408 @@
+/***********************license start***************
+ * Author: Cavium Networks
+ *
+ * Contact: support@caviumnetworks.com
+ * This file is part of the OCTEON SDK
+ *
+ * Copyright (c) 2003-2008 Cavium Networks
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, Version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This file is distributed in the hope that it will be useful, but
+ * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
+ * NONINFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this file; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * or visit http://www.gnu.org/licenses/.
+ *
+ * This file may also be available under a different license from Cavium.
+ * Contact Cavium Networks for more information
+ ***********************license end**************************************/
+
+/*
+ * Header file containing the ABI with the bootloader.
+ */
+
+#ifndef __CVMX_BOOTINFO_H__
+#define __CVMX_BOOTINFO_H__
+
+/*
+ * Current major and minor versions of the CVMX bootinfo block that is
+ * passed from the bootloader to the application.  This is versioned
+ * so that applications can properly handle multiple bootloader
+ * versions.
+ */
+#define CVMX_BOOTINFO_MAJ_VER 1
+#define CVMX_BOOTINFO_MIN_VER 3
+
+#if (CVMX_BOOTINFO_MAJ_VER == 1)
+#define CVMX_BOOTINFO_OCTEON_SERIAL_LEN 20
+/*
+ * This structure is populated by the bootloader.  For binary
+ * compatibility the only changes that should be made are
+ * adding members to the end of the structure, and the minor
+ * version should be incremented at that time.
+ * If an incompatible change is made, the major version
+ * must be incremented, and the minor version should be reset
+ * to 0.
+ */
+struct cvmx_bootinfo {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint32_t major_version;
+	uint32_t minor_version;
+
+	uint64_t stack_top;
+	uint64_t heap_base;
+	uint64_t heap_end;
+	uint64_t desc_vaddr;
+
+	uint32_t exception_base_addr;
+	uint32_t stack_size;
+	uint32_t flags;
+	uint32_t core_mask;
+	/* DRAM size in megabytes */
+	uint32_t dram_size;
+	/* physical address of free memory descriptor block*/
+	uint32_t phy_mem_desc_addr;
+	/* used to pass flags from app to debugger */
+	uint32_t debugger_flags_base_addr;
+
+	/* CPU clock speed, in hz */
+	uint32_t eclock_hz;
+
+	/* DRAM clock speed, in hz */
+	uint32_t dclock_hz;
+
+	uint32_t reserved0;
+	uint16_t board_type;
+	uint8_t board_rev_major;
+	uint8_t board_rev_minor;
+	uint16_t reserved1;
+	uint8_t reserved2;
+	uint8_t reserved3;
+	char board_serial_number[CVMX_BOOTINFO_OCTEON_SERIAL_LEN];
+	uint8_t mac_addr_base[6];
+	uint8_t mac_addr_count;
+#if (CVMX_BOOTINFO_MIN_VER >= 1)
+	/*
+	 * Several boards support compact flash on the Octeon boot
+	 * bus.	 The CF memory spaces may be mapped to different
+	 * addresses on different boards.  These are the physical
+	 * addresses, so care must be taken to use the correct
+	 * XKPHYS/KSEG0 addressing depending on the application's
+	 * ABI.	 These values will be 0 if CF is not present.
+	 */
+	uint64_t compact_flash_common_base_addr;
+	uint64_t compact_flash_attribute_base_addr;
+	/*
+	 * Base address of the LED display (as on EBT3000 board)
+	 * This will be 0 if LED display not present.
+	 */
+	uint64_t led_display_base_addr;
+#endif
+#if (CVMX_BOOTINFO_MIN_VER >= 2)
+	/* DFA reference clock in hz (if applicable)*/
+	uint32_t dfa_ref_clock_hz;
+
+	/*
+	 * flags indicating various configuration options.  These
+	 * flags supercede the 'flags' variable and should be used
+	 * instead if available.
+	 */
+	uint32_t config_flags;
+#endif
+#if (CVMX_BOOTINFO_MIN_VER >= 3)
+	/*
+	 * Address of the OF Flattened Device Tree structure
+	 * describing the board.
+	 */
+	uint64_t fdt_addr;
+#endif
+#else				/* __BIG_ENDIAN */
+	/*
+	 * Little-Endian: When the CPU mode is switched to
+	 * little-endian, the view of the structure has some of the
+	 * fields swapped.
+	 */
+	uint32_t minor_version;
+	uint32_t major_version;
+
+	uint64_t stack_top;
+	uint64_t heap_base;
+	uint64_t heap_end;
+	uint64_t desc_vaddr;
+
+	uint32_t stack_size;
+	uint32_t exception_base_addr;
+
+	uint32_t core_mask;
+	uint32_t flags;
+
+	uint32_t phy_mem_desc_addr;
+	uint32_t dram_size;
+
+	uint32_t eclock_hz;
+	uint32_t debugger_flags_base_addr;
+
+	uint32_t reserved0;
+	uint32_t dclock_hz;
+
+	uint8_t reserved3;
+	uint8_t reserved2;
+	uint16_t reserved1;
+	uint8_t board_rev_minor;
+	uint8_t board_rev_major;
+	uint16_t board_type;
+
+	char board_serial_number[CVMX_BOOTINFO_OCTEON_SERIAL_LEN];
+	uint8_t mac_addr_base[6];
+	uint8_t mac_addr_count;
+	uint8_t pad[5];
+
+#if (CVMX_BOOTINFO_MIN_VER >= 1)
+	uint64_t compact_flash_common_base_addr;
+	uint64_t compact_flash_attribute_base_addr;
+	uint64_t led_display_base_addr;
+#endif
+#if (CVMX_BOOTINFO_MIN_VER >= 2)
+	uint32_t config_flags;
+	uint32_t dfa_ref_clock_hz;
+#endif
+#if (CVMX_BOOTINFO_MIN_VER >= 3)
+	uint64_t fdt_addr;
+#endif
+#endif
+};
+
+#define CVMX_BOOTINFO_CFG_FLAG_PCI_HOST			(1ull << 0)
+#define CVMX_BOOTINFO_CFG_FLAG_PCI_TARGET		(1ull << 1)
+#define CVMX_BOOTINFO_CFG_FLAG_DEBUG			(1ull << 2)
+#define CVMX_BOOTINFO_CFG_FLAG_NO_MAGIC			(1ull << 3)
+/* This flag is set if the TLB mappings are not contained in the
+ * 0x10000000 - 0x20000000 boot bus region. */
+#define CVMX_BOOTINFO_CFG_FLAG_OVERSIZE_TLB_MAPPING	(1ull << 4)
+#define CVMX_BOOTINFO_CFG_FLAG_BREAK			(1ull << 5)
+
+#endif /*   (CVMX_BOOTINFO_MAJ_VER == 1) */
+
+/* Type defines for board and chip types */
+enum cvmx_board_types_enum {
+	CVMX_BOARD_TYPE_NULL = 0,
+	CVMX_BOARD_TYPE_SIM = 1,
+	CVMX_BOARD_TYPE_EBT3000 = 2,
+	CVMX_BOARD_TYPE_KODAMA = 3,
+	CVMX_BOARD_TYPE_NIAGARA = 4,
+	CVMX_BOARD_TYPE_NAC38 = 5,	/* formerly NAO38 */
+	CVMX_BOARD_TYPE_THUNDER = 6,
+	CVMX_BOARD_TYPE_TRANTOR = 7,
+	CVMX_BOARD_TYPE_EBH3000 = 8,
+	CVMX_BOARD_TYPE_EBH3100 = 9,
+	CVMX_BOARD_TYPE_HIKARI = 10,
+	CVMX_BOARD_TYPE_CN3010_EVB_HS5 = 11,
+	CVMX_BOARD_TYPE_CN3005_EVB_HS5 = 12,
+	CVMX_BOARD_TYPE_KBP = 13,
+	/* Deprecated, CVMX_BOARD_TYPE_CN3010_EVB_HS5 supports the CN3020 */
+	CVMX_BOARD_TYPE_CN3020_EVB_HS5 = 14,
+	CVMX_BOARD_TYPE_EBT5800 = 15,
+	CVMX_BOARD_TYPE_NICPRO2 = 16,
+	CVMX_BOARD_TYPE_EBH5600 = 17,
+	CVMX_BOARD_TYPE_EBH5601 = 18,
+	CVMX_BOARD_TYPE_EBH5200 = 19,
+	CVMX_BOARD_TYPE_BBGW_REF = 20,
+	CVMX_BOARD_TYPE_NIC_XLE_4G = 21,
+	CVMX_BOARD_TYPE_EBT5600 = 22,
+	CVMX_BOARD_TYPE_EBH5201 = 23,
+	CVMX_BOARD_TYPE_EBT5200 = 24,
+	CVMX_BOARD_TYPE_CB5600	= 25,
+	CVMX_BOARD_TYPE_CB5601	= 26,
+	CVMX_BOARD_TYPE_CB5200	= 27,
+	/* Special 'generic' board type, supports many boards */
+	CVMX_BOARD_TYPE_GENERIC = 28,
+	CVMX_BOARD_TYPE_EBH5610 = 29,
+	CVMX_BOARD_TYPE_LANAI2_A = 30,
+	CVMX_BOARD_TYPE_LANAI2_U = 31,
+	CVMX_BOARD_TYPE_EBB5600 = 32,
+	CVMX_BOARD_TYPE_EBB6300 = 33,
+	CVMX_BOARD_TYPE_NIC_XLE_10G = 34,
+	CVMX_BOARD_TYPE_LANAI2_G = 35,
+	CVMX_BOARD_TYPE_EBT5810 = 36,
+	CVMX_BOARD_TYPE_NIC10E = 37,
+	CVMX_BOARD_TYPE_EP6300C = 38,
+	CVMX_BOARD_TYPE_EBB6800 = 39,
+	CVMX_BOARD_TYPE_NIC4E = 40,
+	CVMX_BOARD_TYPE_NIC2E = 41,
+	CVMX_BOARD_TYPE_EBB6600 = 42,
+	CVMX_BOARD_TYPE_REDWING = 43,
+	CVMX_BOARD_TYPE_NIC68_4 = 44,
+	CVMX_BOARD_TYPE_NIC10E_66 = 45,
+	CVMX_BOARD_TYPE_MAX,
+
+	/*
+	 * The range from CVMX_BOARD_TYPE_MAX to
+	 * CVMX_BOARD_TYPE_CUST_DEFINED_MIN is reserved for future
+	 * SDK use.
+	 */
+
+	/*
+	 * Set aside a range for customer boards.  These numbers are managed
+	 * by Cavium.
+	 */
+	CVMX_BOARD_TYPE_CUST_DEFINED_MIN = 10000,
+	CVMX_BOARD_TYPE_CUST_WSX16 = 10001,
+	CVMX_BOARD_TYPE_CUST_NS0216 = 10002,
+	CVMX_BOARD_TYPE_CUST_NB5 = 10003,
+	CVMX_BOARD_TYPE_CUST_WMR500 = 10004,
+	CVMX_BOARD_TYPE_CUST_ITB101 = 10005,
+	CVMX_BOARD_TYPE_CUST_NTE102 = 10006,
+	CVMX_BOARD_TYPE_CUST_AGS103 = 10007,
+	CVMX_BOARD_TYPE_CUST_GST104 = 10008,
+	CVMX_BOARD_TYPE_CUST_GCT105 = 10009,
+	CVMX_BOARD_TYPE_CUST_AGS106 = 10010,
+	CVMX_BOARD_TYPE_CUST_SGM107 = 10011,
+	CVMX_BOARD_TYPE_CUST_GCT108 = 10012,
+	CVMX_BOARD_TYPE_CUST_AGS109 = 10013,
+	CVMX_BOARD_TYPE_CUST_GCT110 = 10014,
+	CVMX_BOARD_TYPE_CUST_L2_AIR_SENDER = 10015,
+	CVMX_BOARD_TYPE_CUST_L2_AIR_RECEIVER = 10016,
+	CVMX_BOARD_TYPE_CUST_L2_ACCTON2_TX = 10017,
+	CVMX_BOARD_TYPE_CUST_L2_ACCTON2_RX = 10018,
+	CVMX_BOARD_TYPE_CUST_L2_WSTRNSNIC_TX = 10019,
+	CVMX_BOARD_TYPE_CUST_L2_WSTRNSNIC_RX = 10020,
+	CVMX_BOARD_TYPE_CUST_L2_ZINWELL = 10021,
+	CVMX_BOARD_TYPE_CUST_DEFINED_MAX = 20000,
+
+	/*
+	 * Set aside a range for customer private use.	The SDK won't
+	 * use any numbers in this range.
+	 */
+	CVMX_BOARD_TYPE_CUST_PRIVATE_MIN = 20001,
+	CVMX_BOARD_TYPE_UBNT_E100 = 20002,
+	CVMX_BOARD_TYPE_CUST_DSR1000N = 20006,
+	CVMX_BOARD_TYPE_KONTRON_S1901 = 21901,
+	CVMX_BOARD_TYPE_CUST_PRIVATE_MAX = 30000,
+
+	/* The remaining range is reserved for future use. */
+};
+
+enum cvmx_chip_types_enum {
+	CVMX_CHIP_TYPE_NULL = 0,
+	CVMX_CHIP_SIM_TYPE_DEPRECATED = 1,
+	CVMX_CHIP_TYPE_OCTEON_SAMPLE = 2,
+	CVMX_CHIP_TYPE_MAX,
+};
+
+/* Compatibility alias for NAC38 name change, planned to be removed
+ * from SDK 1.7 */
+#define CVMX_BOARD_TYPE_NAO38	CVMX_BOARD_TYPE_NAC38
+
+/* Functions to return string based on type */
+#define ENUM_BRD_TYPE_CASE(x) \
+	case x: return(#x + 16);	/* Skip CVMX_BOARD_TYPE_ */
+static inline const char *cvmx_board_type_to_string(enum
+						    cvmx_board_types_enum type)
+{
+	switch (type) {
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NULL)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_SIM)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBT3000)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KODAMA)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NIAGARA)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NAC38)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_THUNDER)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_TRANTOR)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH3000)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH3100)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_HIKARI)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CN3010_EVB_HS5)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CN3005_EVB_HS5)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KBP)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CN3020_EVB_HS5)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBT5800)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NICPRO2)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH5600)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH5601)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH5200)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_BBGW_REF)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NIC_XLE_4G)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBT5600)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH5201)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBT5200)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CB5600)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CB5601)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CB5200)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_GENERIC)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBH5610)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_LANAI2_A)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_LANAI2_U)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBB5600)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBB6300)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NIC_XLE_10G)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_LANAI2_G)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBT5810)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NIC10E)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EP6300C)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBB6800)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NIC4E)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NIC2E)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_EBB6600)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_REDWING)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NIC68_4)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_NIC10E_66)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_MAX)
+
+			/* Customer boards listed here */
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DEFINED_MIN)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_WSX16)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_NS0216)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_NB5)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_WMR500)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_ITB101)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_NTE102)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_AGS103)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_GST104)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_GCT105)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_AGS106)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_SGM107)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_GCT108)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_AGS109)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_GCT110)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_L2_AIR_SENDER)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_L2_AIR_RECEIVER)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_L2_ACCTON2_TX)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_L2_ACCTON2_RX)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_L2_WSTRNSNIC_TX)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_L2_WSTRNSNIC_RX)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_L2_ZINWELL)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DEFINED_MAX)
+
+		    /* Customer private range */
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MIN)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E100)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DSR1000N)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KONTRON_S1901)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX)
+	}
+	return "Unsupported Board";
+}
+
+#define ENUM_CHIP_TYPE_CASE(x) \
+	case x: return(#x + 15);	/* Skip CVMX_CHIP_TYPE */
+static inline const char *cvmx_chip_type_to_string(enum
+						   cvmx_chip_types_enum type)
+{
+	switch (type) {
+		ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_NULL)
+		ENUM_CHIP_TYPE_CASE(CVMX_CHIP_SIM_TYPE_DEPRECATED)
+		ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_OCTEON_SAMPLE)
+		ENUM_CHIP_TYPE_CASE(CVMX_CHIP_TYPE_MAX)
+	}
+	return "Unsupported Chip";
+}
+
+#endif /* __CVMX_BOOTINFO_H__ */