ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/mips/include/asm/octeon/cvmx-fau.h b/marvell/linux/arch/mips/include/asm/octeon/cvmx-fau.h
new file mode 100644
index 0000000..dafeae3
--- /dev/null
+++ b/marvell/linux/arch/mips/include/asm/octeon/cvmx-fau.h
@@ -0,0 +1,619 @@
+/***********************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**************************************/
+
+/*
+ * Interface to the hardware Fetch and Add Unit.
+ */
+
+#ifndef __CVMX_FAU_H__
+#define __CVMX_FAU_H__
+
+/*
+ * Octeon Fetch and Add Unit (FAU)
+ */
+
+#define CVMX_FAU_LOAD_IO_ADDRESS cvmx_build_io_address(0x1e, 0)
+#define CVMX_FAU_BITS_SCRADDR 63, 56
+#define CVMX_FAU_BITS_LEN 55, 48
+#define CVMX_FAU_BITS_INEVAL 35, 14
+#define CVMX_FAU_BITS_TAGWAIT 13, 13
+#define CVMX_FAU_BITS_NOADD 13, 13
+#define CVMX_FAU_BITS_SIZE 12, 11
+#define CVMX_FAU_BITS_REGISTER 10, 0
+
+typedef enum {
+ CVMX_FAU_OP_SIZE_8 = 0,
+ CVMX_FAU_OP_SIZE_16 = 1,
+ CVMX_FAU_OP_SIZE_32 = 2,
+ CVMX_FAU_OP_SIZE_64 = 3
+} cvmx_fau_op_size_t;
+
+/**
+ * Tagwait return definition. If a timeout occurs, the error
+ * bit will be set. Otherwise the value of the register before
+ * the update will be returned.
+ */
+typedef struct {
+ uint64_t error:1;
+ int64_t value:63;
+} cvmx_fau_tagwait64_t;
+
+/**
+ * Tagwait return definition. If a timeout occurs, the error
+ * bit will be set. Otherwise the value of the register before
+ * the update will be returned.
+ */
+typedef struct {
+ uint64_t error:1;
+ int32_t value:31;
+} cvmx_fau_tagwait32_t;
+
+/**
+ * Tagwait return definition. If a timeout occurs, the error
+ * bit will be set. Otherwise the value of the register before
+ * the update will be returned.
+ */
+typedef struct {
+ uint64_t error:1;
+ int16_t value:15;
+} cvmx_fau_tagwait16_t;
+
+/**
+ * Tagwait return definition. If a timeout occurs, the error
+ * bit will be set. Otherwise the value of the register before
+ * the update will be returned.
+ */
+typedef struct {
+ uint64_t error:1;
+ int8_t value:7;
+} cvmx_fau_tagwait8_t;
+
+/**
+ * Asynchronous tagwait return definition. If a timeout occurs,
+ * the error bit will be set. Otherwise the value of the
+ * register before the update will be returned.
+ */
+typedef union {
+ uint64_t u64;
+ struct {
+ uint64_t invalid:1;
+ uint64_t data:63; /* unpredictable if invalid is set */
+ } s;
+} cvmx_fau_async_tagwait_result_t;
+
+#ifdef __BIG_ENDIAN_BITFIELD
+#define SWIZZLE_8 0
+#define SWIZZLE_16 0
+#define SWIZZLE_32 0
+#else
+#define SWIZZLE_8 0x7
+#define SWIZZLE_16 0x6
+#define SWIZZLE_32 0x4
+#endif
+
+/**
+ * Builds a store I/O address for writing to the FAU
+ *
+ * @noadd: 0 = Store value is atomically added to the current value
+ * 1 = Store value is atomically written over the current value
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 2 for 16 bit access.
+ * - Step by 4 for 32 bit access.
+ * - Step by 8 for 64 bit access.
+ * Returns Address to store for atomic update
+ */
+static inline uint64_t __cvmx_fau_store_address(uint64_t noadd, uint64_t reg)
+{
+ return CVMX_ADD_IO_SEG(CVMX_FAU_LOAD_IO_ADDRESS) |
+ cvmx_build_bits(CVMX_FAU_BITS_NOADD, noadd) |
+ cvmx_build_bits(CVMX_FAU_BITS_REGISTER, reg);
+}
+
+/**
+ * Builds a I/O address for accessing the FAU
+ *
+ * @tagwait: Should the atomic add wait for the current tag switch
+ * operation to complete.
+ * - 0 = Don't wait
+ * - 1 = Wait for tag switch to complete
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 2 for 16 bit access.
+ * - Step by 4 for 32 bit access.
+ * - Step by 8 for 64 bit access.
+ * @value: Signed value to add.
+ * Note: When performing 32 and 64 bit access, only the low
+ * 22 bits are available.
+ * Returns Address to read from for atomic update
+ */
+static inline uint64_t __cvmx_fau_atomic_address(uint64_t tagwait, uint64_t reg,
+ int64_t value)
+{
+ return CVMX_ADD_IO_SEG(CVMX_FAU_LOAD_IO_ADDRESS) |
+ cvmx_build_bits(CVMX_FAU_BITS_INEVAL, value) |
+ cvmx_build_bits(CVMX_FAU_BITS_TAGWAIT, tagwait) |
+ cvmx_build_bits(CVMX_FAU_BITS_REGISTER, reg);
+}
+
+/**
+ * Perform an atomic 64 bit add
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 8 for 64 bit access.
+ * @value: Signed value to add.
+ * Note: Only the low 22 bits are available.
+ * Returns Value of the register before the update
+ */
+static inline int64_t cvmx_fau_fetch_and_add64(cvmx_fau_reg_64_t reg,
+ int64_t value)
+{
+ return cvmx_read64_int64(__cvmx_fau_atomic_address(0, reg, value));
+}
+
+/**
+ * Perform an atomic 32 bit add
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 4 for 32 bit access.
+ * @value: Signed value to add.
+ * Note: Only the low 22 bits are available.
+ * Returns Value of the register before the update
+ */
+static inline int32_t cvmx_fau_fetch_and_add32(cvmx_fau_reg_32_t reg,
+ int32_t value)
+{
+ reg ^= SWIZZLE_32;
+ return cvmx_read64_int32(__cvmx_fau_atomic_address(0, reg, value));
+}
+
+/**
+ * Perform an atomic 16 bit add
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 2 for 16 bit access.
+ * @value: Signed value to add.
+ * Returns Value of the register before the update
+ */
+static inline int16_t cvmx_fau_fetch_and_add16(cvmx_fau_reg_16_t reg,
+ int16_t value)
+{
+ reg ^= SWIZZLE_16;
+ return cvmx_read64_int16(__cvmx_fau_atomic_address(0, reg, value));
+}
+
+/**
+ * Perform an atomic 8 bit add
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * @value: Signed value to add.
+ * Returns Value of the register before the update
+ */
+static inline int8_t cvmx_fau_fetch_and_add8(cvmx_fau_reg_8_t reg, int8_t value)
+{
+ reg ^= SWIZZLE_8;
+ return cvmx_read64_int8(__cvmx_fau_atomic_address(0, reg, value));
+}
+
+/**
+ * Perform an atomic 64 bit add after the current tag switch
+ * completes
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 8 for 64 bit access.
+ * @value: Signed value to add.
+ * Note: Only the low 22 bits are available.
+ * Returns If a timeout occurs, the error bit will be set. Otherwise
+ * the value of the register before the update will be
+ * returned
+ */
+static inline cvmx_fau_tagwait64_t
+cvmx_fau_tagwait_fetch_and_add64(cvmx_fau_reg_64_t reg, int64_t value)
+{
+ union {
+ uint64_t i64;
+ cvmx_fau_tagwait64_t t;
+ } result;
+ result.i64 =
+ cvmx_read64_int64(__cvmx_fau_atomic_address(1, reg, value));
+ return result.t;
+}
+
+/**
+ * Perform an atomic 32 bit add after the current tag switch
+ * completes
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 4 for 32 bit access.
+ * @value: Signed value to add.
+ * Note: Only the low 22 bits are available.
+ * Returns If a timeout occurs, the error bit will be set. Otherwise
+ * the value of the register before the update will be
+ * returned
+ */
+static inline cvmx_fau_tagwait32_t
+cvmx_fau_tagwait_fetch_and_add32(cvmx_fau_reg_32_t reg, int32_t value)
+{
+ union {
+ uint64_t i32;
+ cvmx_fau_tagwait32_t t;
+ } result;
+ reg ^= SWIZZLE_32;
+ result.i32 =
+ cvmx_read64_int32(__cvmx_fau_atomic_address(1, reg, value));
+ return result.t;
+}
+
+/**
+ * Perform an atomic 16 bit add after the current tag switch
+ * completes
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 2 for 16 bit access.
+ * @value: Signed value to add.
+ * Returns If a timeout occurs, the error bit will be set. Otherwise
+ * the value of the register before the update will be
+ * returned
+ */
+static inline cvmx_fau_tagwait16_t
+cvmx_fau_tagwait_fetch_and_add16(cvmx_fau_reg_16_t reg, int16_t value)
+{
+ union {
+ uint64_t i16;
+ cvmx_fau_tagwait16_t t;
+ } result;
+ reg ^= SWIZZLE_16;
+ result.i16 =
+ cvmx_read64_int16(__cvmx_fau_atomic_address(1, reg, value));
+ return result.t;
+}
+
+/**
+ * Perform an atomic 8 bit add after the current tag switch
+ * completes
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * @value: Signed value to add.
+ * Returns If a timeout occurs, the error bit will be set. Otherwise
+ * the value of the register before the update will be
+ * returned
+ */
+static inline cvmx_fau_tagwait8_t
+cvmx_fau_tagwait_fetch_and_add8(cvmx_fau_reg_8_t reg, int8_t value)
+{
+ union {
+ uint64_t i8;
+ cvmx_fau_tagwait8_t t;
+ } result;
+ reg ^= SWIZZLE_8;
+ result.i8 = cvmx_read64_int8(__cvmx_fau_atomic_address(1, reg, value));
+ return result.t;
+}
+
+/**
+ * Builds I/O data for async operations
+ *
+ * @scraddr: Scratch pad byte address to write to. Must be 8 byte aligned
+ * @value: Signed value to add.
+ * Note: When performing 32 and 64 bit access, only the low
+ * 22 bits are available.
+ * @tagwait: Should the atomic add wait for the current tag switch
+ * operation to complete.
+ * - 0 = Don't wait
+ * - 1 = Wait for tag switch to complete
+ * @size: The size of the operation:
+ * - CVMX_FAU_OP_SIZE_8 (0) = 8 bits
+ * - CVMX_FAU_OP_SIZE_16 (1) = 16 bits
+ * - CVMX_FAU_OP_SIZE_32 (2) = 32 bits
+ * - CVMX_FAU_OP_SIZE_64 (3) = 64 bits
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 2 for 16 bit access.
+ * - Step by 4 for 32 bit access.
+ * - Step by 8 for 64 bit access.
+ * Returns Data to write using cvmx_send_single
+ */
+static inline uint64_t __cvmx_fau_iobdma_data(uint64_t scraddr, int64_t value,
+ uint64_t tagwait,
+ cvmx_fau_op_size_t size,
+ uint64_t reg)
+{
+ return CVMX_FAU_LOAD_IO_ADDRESS |
+ cvmx_build_bits(CVMX_FAU_BITS_SCRADDR, scraddr >> 3) |
+ cvmx_build_bits(CVMX_FAU_BITS_LEN, 1) |
+ cvmx_build_bits(CVMX_FAU_BITS_INEVAL, value) |
+ cvmx_build_bits(CVMX_FAU_BITS_TAGWAIT, tagwait) |
+ cvmx_build_bits(CVMX_FAU_BITS_SIZE, size) |
+ cvmx_build_bits(CVMX_FAU_BITS_REGISTER, reg);
+}
+
+/**
+ * Perform an async atomic 64 bit add. The old value is
+ * placed in the scratch memory at byte address scraddr.
+ *
+ * @scraddr: Scratch memory byte address to put response in.
+ * Must be 8 byte aligned.
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 8 for 64 bit access.
+ * @value: Signed value to add.
+ * Note: Only the low 22 bits are available.
+ * Returns Placed in the scratch pad register
+ */
+static inline void cvmx_fau_async_fetch_and_add64(uint64_t scraddr,
+ cvmx_fau_reg_64_t reg,
+ int64_t value)
+{
+ cvmx_send_single(__cvmx_fau_iobdma_data
+ (scraddr, value, 0, CVMX_FAU_OP_SIZE_64, reg));
+}
+
+/**
+ * Perform an async atomic 32 bit add. The old value is
+ * placed in the scratch memory at byte address scraddr.
+ *
+ * @scraddr: Scratch memory byte address to put response in.
+ * Must be 8 byte aligned.
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 4 for 32 bit access.
+ * @value: Signed value to add.
+ * Note: Only the low 22 bits are available.
+ * Returns Placed in the scratch pad register
+ */
+static inline void cvmx_fau_async_fetch_and_add32(uint64_t scraddr,
+ cvmx_fau_reg_32_t reg,
+ int32_t value)
+{
+ cvmx_send_single(__cvmx_fau_iobdma_data
+ (scraddr, value, 0, CVMX_FAU_OP_SIZE_32, reg));
+}
+
+/**
+ * Perform an async atomic 16 bit add. The old value is
+ * placed in the scratch memory at byte address scraddr.
+ *
+ * @scraddr: Scratch memory byte address to put response in.
+ * Must be 8 byte aligned.
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 2 for 16 bit access.
+ * @value: Signed value to add.
+ * Returns Placed in the scratch pad register
+ */
+static inline void cvmx_fau_async_fetch_and_add16(uint64_t scraddr,
+ cvmx_fau_reg_16_t reg,
+ int16_t value)
+{
+ cvmx_send_single(__cvmx_fau_iobdma_data
+ (scraddr, value, 0, CVMX_FAU_OP_SIZE_16, reg));
+}
+
+/**
+ * Perform an async atomic 8 bit add. The old value is
+ * placed in the scratch memory at byte address scraddr.
+ *
+ * @scraddr: Scratch memory byte address to put response in.
+ * Must be 8 byte aligned.
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * @value: Signed value to add.
+ * Returns Placed in the scratch pad register
+ */
+static inline void cvmx_fau_async_fetch_and_add8(uint64_t scraddr,
+ cvmx_fau_reg_8_t reg,
+ int8_t value)
+{
+ cvmx_send_single(__cvmx_fau_iobdma_data
+ (scraddr, value, 0, CVMX_FAU_OP_SIZE_8, reg));
+}
+
+/**
+ * Perform an async atomic 64 bit add after the current tag
+ * switch completes.
+ *
+ * @scraddr: Scratch memory byte address to put response in. Must be
+ * 8 byte aligned. If a timeout occurs, the error bit (63)
+ * will be set. Otherwise the value of the register before
+ * the update will be returned
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 8 for 64 bit access.
+ * @value: Signed value to add.
+ * Note: Only the low 22 bits are available.
+ * Returns Placed in the scratch pad register
+ */
+static inline void cvmx_fau_async_tagwait_fetch_and_add64(uint64_t scraddr,
+ cvmx_fau_reg_64_t reg,
+ int64_t value)
+{
+ cvmx_send_single(__cvmx_fau_iobdma_data
+ (scraddr, value, 1, CVMX_FAU_OP_SIZE_64, reg));
+}
+
+/**
+ * Perform an async atomic 32 bit add after the current tag
+ * switch completes.
+ *
+ * @scraddr: Scratch memory byte address to put response in. Must be
+ * 8 byte aligned. If a timeout occurs, the error bit (63)
+ * will be set. Otherwise the value of the register before
+ * the update will be returned
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 4 for 32 bit access.
+ * @value: Signed value to add.
+ * Note: Only the low 22 bits are available.
+ * Returns Placed in the scratch pad register
+ */
+static inline void cvmx_fau_async_tagwait_fetch_and_add32(uint64_t scraddr,
+ cvmx_fau_reg_32_t reg,
+ int32_t value)
+{
+ cvmx_send_single(__cvmx_fau_iobdma_data
+ (scraddr, value, 1, CVMX_FAU_OP_SIZE_32, reg));
+}
+
+/**
+ * Perform an async atomic 16 bit add after the current tag
+ * switch completes.
+ *
+ * @scraddr: Scratch memory byte address to put response in. Must be
+ * 8 byte aligned. If a timeout occurs, the error bit (63)
+ * will be set. Otherwise the value of the register before
+ * the update will be returned
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 2 for 16 bit access.
+ * @value: Signed value to add.
+ *
+ * Returns Placed in the scratch pad register
+ */
+static inline void cvmx_fau_async_tagwait_fetch_and_add16(uint64_t scraddr,
+ cvmx_fau_reg_16_t reg,
+ int16_t value)
+{
+ cvmx_send_single(__cvmx_fau_iobdma_data
+ (scraddr, value, 1, CVMX_FAU_OP_SIZE_16, reg));
+}
+
+/**
+ * Perform an async atomic 8 bit add after the current tag
+ * switch completes.
+ *
+ * @scraddr: Scratch memory byte address to put response in. Must be
+ * 8 byte aligned. If a timeout occurs, the error bit (63)
+ * will be set. Otherwise the value of the register before
+ * the update will be returned
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * @value: Signed value to add.
+ *
+ * Returns Placed in the scratch pad register
+ */
+static inline void cvmx_fau_async_tagwait_fetch_and_add8(uint64_t scraddr,
+ cvmx_fau_reg_8_t reg,
+ int8_t value)
+{
+ cvmx_send_single(__cvmx_fau_iobdma_data
+ (scraddr, value, 1, CVMX_FAU_OP_SIZE_8, reg));
+}
+
+/**
+ * Perform an atomic 64 bit add
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 8 for 64 bit access.
+ * @value: Signed value to add.
+ */
+static inline void cvmx_fau_atomic_add64(cvmx_fau_reg_64_t reg, int64_t value)
+{
+ cvmx_write64_int64(__cvmx_fau_store_address(0, reg), value);
+}
+
+/**
+ * Perform an atomic 32 bit add
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 4 for 32 bit access.
+ * @value: Signed value to add.
+ */
+static inline void cvmx_fau_atomic_add32(cvmx_fau_reg_32_t reg, int32_t value)
+{
+ reg ^= SWIZZLE_32;
+ cvmx_write64_int32(__cvmx_fau_store_address(0, reg), value);
+}
+
+/**
+ * Perform an atomic 16 bit add
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 2 for 16 bit access.
+ * @value: Signed value to add.
+ */
+static inline void cvmx_fau_atomic_add16(cvmx_fau_reg_16_t reg, int16_t value)
+{
+ reg ^= SWIZZLE_16;
+ cvmx_write64_int16(__cvmx_fau_store_address(0, reg), value);
+}
+
+/**
+ * Perform an atomic 8 bit add
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * @value: Signed value to add.
+ */
+static inline void cvmx_fau_atomic_add8(cvmx_fau_reg_8_t reg, int8_t value)
+{
+ reg ^= SWIZZLE_8;
+ cvmx_write64_int8(__cvmx_fau_store_address(0, reg), value);
+}
+
+/**
+ * Perform an atomic 64 bit write
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 8 for 64 bit access.
+ * @value: Signed value to write.
+ */
+static inline void cvmx_fau_atomic_write64(cvmx_fau_reg_64_t reg, int64_t value)
+{
+ cvmx_write64_int64(__cvmx_fau_store_address(1, reg), value);
+}
+
+/**
+ * Perform an atomic 32 bit write
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 4 for 32 bit access.
+ * @value: Signed value to write.
+ */
+static inline void cvmx_fau_atomic_write32(cvmx_fau_reg_32_t reg, int32_t value)
+{
+ reg ^= SWIZZLE_32;
+ cvmx_write64_int32(__cvmx_fau_store_address(1, reg), value);
+}
+
+/**
+ * Perform an atomic 16 bit write
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * - Step by 2 for 16 bit access.
+ * @value: Signed value to write.
+ */
+static inline void cvmx_fau_atomic_write16(cvmx_fau_reg_16_t reg, int16_t value)
+{
+ reg ^= SWIZZLE_16;
+ cvmx_write64_int16(__cvmx_fau_store_address(1, reg), value);
+}
+
+/**
+ * Perform an atomic 8 bit write
+ *
+ * @reg: FAU atomic register to access. 0 <= reg < 2048.
+ * @value: Signed value to write.
+ */
+static inline void cvmx_fau_atomic_write8(cvmx_fau_reg_8_t reg, int8_t value)
+{
+ reg ^= SWIZZLE_8;
+ cvmx_write64_int8(__cvmx_fau_store_address(1, reg), value);
+}
+
+#endif /* __CVMX_FAU_H__ */