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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
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arch/mips/include/asm/octeon/cvmx-l2c.h Normal file
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/***********************license start***************
* Author: Cavium Networks
*
* Contact: support@caviumnetworks.com
* This file is part of the OCTEON SDK
*
* Copyright (c) 2003-2010 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 Level 2 Cache (L2C) control, measurement, and debugging
* facilities.
*/
#ifndef __CVMX_L2C_H__
#define __CVMX_L2C_H__
#define CVMX_L2_ASSOC cvmx_l2c_get_num_assoc() /* Deprecated macro, use function */
#define CVMX_L2_SET_BITS cvmx_l2c_get_set_bits() /* Deprecated macro, use function */
#define CVMX_L2_SETS cvmx_l2c_get_num_sets() /* Deprecated macro, use function */
#define CVMX_L2C_IDX_ADDR_SHIFT 7 /* based on 128 byte cache line size */
#define CVMX_L2C_IDX_MASK (cvmx_l2c_get_num_sets() - 1)
/* Defines for index aliasing computations */
#define CVMX_L2C_TAG_ADDR_ALIAS_SHIFT (CVMX_L2C_IDX_ADDR_SHIFT + cvmx_l2c_get_set_bits())
#define CVMX_L2C_ALIAS_MASK (CVMX_L2C_IDX_MASK << CVMX_L2C_TAG_ADDR_ALIAS_SHIFT)
#define CVMX_L2C_MEMBANK_SELECT_SIZE 4096
/* Defines for Virtualizations, valid only from Octeon II onwards. */
#define CVMX_L2C_VRT_MAX_VIRTID_ALLOWED ((OCTEON_IS_MODEL(OCTEON_CN63XX)) ? 64 : 0)
#define CVMX_L2C_VRT_MAX_MEMSZ_ALLOWED ((OCTEON_IS_MODEL(OCTEON_CN63XX)) ? 32 : 0)
union cvmx_l2c_tag {
uint64_t u64;
struct {
uint64_t reserved:28;
uint64_t V:1; /* Line valid */
uint64_t D:1; /* Line dirty */
uint64_t L:1; /* Line locked */
uint64_t U:1; /* Use, LRU eviction */
uint64_t addr:32; /* Phys mem (not all bits valid) */
} s;
};
/* Number of L2C Tag-and-data sections (TADs) that are connected to LMC. */
#define CVMX_L2C_TADS 1
/* L2C Performance Counter events. */
enum cvmx_l2c_event {
CVMX_L2C_EVENT_CYCLES = 0,
CVMX_L2C_EVENT_INSTRUCTION_MISS = 1,
CVMX_L2C_EVENT_INSTRUCTION_HIT = 2,
CVMX_L2C_EVENT_DATA_MISS = 3,
CVMX_L2C_EVENT_DATA_HIT = 4,
CVMX_L2C_EVENT_MISS = 5,
CVMX_L2C_EVENT_HIT = 6,
CVMX_L2C_EVENT_VICTIM_HIT = 7,
CVMX_L2C_EVENT_INDEX_CONFLICT = 8,
CVMX_L2C_EVENT_TAG_PROBE = 9,
CVMX_L2C_EVENT_TAG_UPDATE = 10,
CVMX_L2C_EVENT_TAG_COMPLETE = 11,
CVMX_L2C_EVENT_TAG_DIRTY = 12,
CVMX_L2C_EVENT_DATA_STORE_NOP = 13,
CVMX_L2C_EVENT_DATA_STORE_READ = 14,
CVMX_L2C_EVENT_DATA_STORE_WRITE = 15,
CVMX_L2C_EVENT_FILL_DATA_VALID = 16,
CVMX_L2C_EVENT_WRITE_REQUEST = 17,
CVMX_L2C_EVENT_READ_REQUEST = 18,
CVMX_L2C_EVENT_WRITE_DATA_VALID = 19,
CVMX_L2C_EVENT_XMC_NOP = 20,
CVMX_L2C_EVENT_XMC_LDT = 21,
CVMX_L2C_EVENT_XMC_LDI = 22,
CVMX_L2C_EVENT_XMC_LDD = 23,
CVMX_L2C_EVENT_XMC_STF = 24,
CVMX_L2C_EVENT_XMC_STT = 25,
CVMX_L2C_EVENT_XMC_STP = 26,
CVMX_L2C_EVENT_XMC_STC = 27,
CVMX_L2C_EVENT_XMC_DWB = 28,
CVMX_L2C_EVENT_XMC_PL2 = 29,
CVMX_L2C_EVENT_XMC_PSL1 = 30,
CVMX_L2C_EVENT_XMC_IOBLD = 31,
CVMX_L2C_EVENT_XMC_IOBST = 32,
CVMX_L2C_EVENT_XMC_IOBDMA = 33,
CVMX_L2C_EVENT_XMC_IOBRSP = 34,
CVMX_L2C_EVENT_XMC_BUS_VALID = 35,
CVMX_L2C_EVENT_XMC_MEM_DATA = 36,
CVMX_L2C_EVENT_XMC_REFL_DATA = 37,
CVMX_L2C_EVENT_XMC_IOBRSP_DATA = 38,
CVMX_L2C_EVENT_RSC_NOP = 39,
CVMX_L2C_EVENT_RSC_STDN = 40,
CVMX_L2C_EVENT_RSC_FILL = 41,
CVMX_L2C_EVENT_RSC_REFL = 42,
CVMX_L2C_EVENT_RSC_STIN = 43,
CVMX_L2C_EVENT_RSC_SCIN = 44,
CVMX_L2C_EVENT_RSC_SCFL = 45,
CVMX_L2C_EVENT_RSC_SCDN = 46,
CVMX_L2C_EVENT_RSC_DATA_VALID = 47,
CVMX_L2C_EVENT_RSC_VALID_FILL = 48,
CVMX_L2C_EVENT_RSC_VALID_STRSP = 49,
CVMX_L2C_EVENT_RSC_VALID_REFL = 50,
CVMX_L2C_EVENT_LRF_REQ = 51,
CVMX_L2C_EVENT_DT_RD_ALLOC = 52,
CVMX_L2C_EVENT_DT_WR_INVAL = 53,
CVMX_L2C_EVENT_MAX
};
/* L2C Performance Counter events for Octeon2. */
enum cvmx_l2c_tad_event {
CVMX_L2C_TAD_EVENT_NONE = 0,
CVMX_L2C_TAD_EVENT_TAG_HIT = 1,
CVMX_L2C_TAD_EVENT_TAG_MISS = 2,
CVMX_L2C_TAD_EVENT_TAG_NOALLOC = 3,
CVMX_L2C_TAD_EVENT_TAG_VICTIM = 4,
CVMX_L2C_TAD_EVENT_SC_FAIL = 5,
CVMX_L2C_TAD_EVENT_SC_PASS = 6,
CVMX_L2C_TAD_EVENT_LFB_VALID = 7,
CVMX_L2C_TAD_EVENT_LFB_WAIT_LFB = 8,
CVMX_L2C_TAD_EVENT_LFB_WAIT_VAB = 9,
CVMX_L2C_TAD_EVENT_QUAD0_INDEX = 128,
CVMX_L2C_TAD_EVENT_QUAD0_READ = 129,
CVMX_L2C_TAD_EVENT_QUAD0_BANK = 130,
CVMX_L2C_TAD_EVENT_QUAD0_WDAT = 131,
CVMX_L2C_TAD_EVENT_QUAD1_INDEX = 144,
CVMX_L2C_TAD_EVENT_QUAD1_READ = 145,
CVMX_L2C_TAD_EVENT_QUAD1_BANK = 146,
CVMX_L2C_TAD_EVENT_QUAD1_WDAT = 147,
CVMX_L2C_TAD_EVENT_QUAD2_INDEX = 160,
CVMX_L2C_TAD_EVENT_QUAD2_READ = 161,
CVMX_L2C_TAD_EVENT_QUAD2_BANK = 162,
CVMX_L2C_TAD_EVENT_QUAD2_WDAT = 163,
CVMX_L2C_TAD_EVENT_QUAD3_INDEX = 176,
CVMX_L2C_TAD_EVENT_QUAD3_READ = 177,
CVMX_L2C_TAD_EVENT_QUAD3_BANK = 178,
CVMX_L2C_TAD_EVENT_QUAD3_WDAT = 179,
CVMX_L2C_TAD_EVENT_MAX
};
/**
* Configure one of the four L2 Cache performance counters to capture event
* occurrences.
*
* @counter: The counter to configure. Range 0..3.
* @event: The type of L2 Cache event occurrence to count.
* @clear_on_read: When asserted, any read of the performance counter
* clears the counter.
*
* @note The routine does not clear the counter.
*/
void cvmx_l2c_config_perf(uint32_t counter, enum cvmx_l2c_event event, uint32_t clear_on_read);
/**
* Read the given L2 Cache performance counter. The counter must be configured
* before reading, but this routine does not enforce this requirement.
*
* @counter: The counter to configure. Range 0..3.
*
* Returns The current counter value.
*/
uint64_t cvmx_l2c_read_perf(uint32_t counter);
/**
* Return the L2 Cache way partitioning for a given core.
*
* @core: The core processor of interest.
*
* Returns The mask specifying the partitioning. 0 bits in mask indicates
* the cache 'ways' that a core can evict from.
* -1 on error
*/
int cvmx_l2c_get_core_way_partition(uint32_t core);
/**
* Partitions the L2 cache for a core
*
* @core: The core that the partitioning applies to.
* @mask: The partitioning of the ways expressed as a binary
* mask. A 0 bit allows the core to evict cache lines from
* a way, while a 1 bit blocks the core from evicting any
* lines from that way. There must be at least one allowed
* way (0 bit) in the mask.
*
* @note If any ways are blocked for all cores and the HW blocks, then
* those ways will never have any cache lines evicted from them.
* All cores and the hardware blocks are free to read from all
* ways regardless of the partitioning.
*/
int cvmx_l2c_set_core_way_partition(uint32_t core, uint32_t mask);
/**
* Return the L2 Cache way partitioning for the hw blocks.
*
* Returns The mask specifying the reserved way. 0 bits in mask indicates
* the cache 'ways' that a core can evict from.
* -1 on error
*/
int cvmx_l2c_get_hw_way_partition(void);
/**
* Partitions the L2 cache for the hardware blocks.
*
* @mask: The partitioning of the ways expressed as a binary
* mask. A 0 bit allows the core to evict cache lines from
* a way, while a 1 bit blocks the core from evicting any
* lines from that way. There must be at least one allowed
* way (0 bit) in the mask.
*
* @note If any ways are blocked for all cores and the HW blocks, then
* those ways will never have any cache lines evicted from them.
* All cores and the hardware blocks are free to read from all
* ways regardless of the partitioning.
*/
int cvmx_l2c_set_hw_way_partition(uint32_t mask);
/**
* Locks a line in the L2 cache at the specified physical address
*
* @addr: physical address of line to lock
*
* Returns 0 on success,
* 1 if line not locked.
*/
int cvmx_l2c_lock_line(uint64_t addr);
/**
* Locks a specified memory region in the L2 cache.
*
* Note that if not all lines can be locked, that means that all
* but one of the ways (associations) available to the locking
* core are locked. Having only 1 association available for
* normal caching may have a significant adverse affect on performance.
* Care should be taken to ensure that enough of the L2 cache is left
* unlocked to allow for normal caching of DRAM.
*
* @start: Physical address of the start of the region to lock
* @len: Length (in bytes) of region to lock
*
* Returns Number of requested lines that where not locked.
* 0 on success (all locked)
*/
int cvmx_l2c_lock_mem_region(uint64_t start, uint64_t len);
/**
* Unlock and flush a cache line from the L2 cache.
* IMPORTANT: Must only be run by one core at a time due to use
* of L2C debug features.
* Note that this function will flush a matching but unlocked cache line.
* (If address is not in L2, no lines are flushed.)
*
* @address: Physical address to unlock
*
* Returns 0: line not unlocked
* 1: line unlocked
*/
int cvmx_l2c_unlock_line(uint64_t address);
/**
* Unlocks a region of memory that is locked in the L2 cache
*
* @start: start physical address
* @len: length (in bytes) to unlock
*
* Returns Number of locked lines that the call unlocked
*/
int cvmx_l2c_unlock_mem_region(uint64_t start, uint64_t len);
/**
* Read the L2 controller tag for a given location in L2
*
* @association:
* Which association to read line from
* @index: Which way to read from.
*
* Returns l2c tag structure for line requested.
*/
union cvmx_l2c_tag cvmx_l2c_get_tag(uint32_t association, uint32_t index);
/* Wrapper providing a deprecated old function name */
static inline union cvmx_l2c_tag cvmx_get_l2c_tag(uint32_t association, uint32_t index) __attribute__((deprecated));
static inline union cvmx_l2c_tag cvmx_get_l2c_tag(uint32_t association, uint32_t index)
{
return cvmx_l2c_get_tag(association, index);
}
/**
* Returns the cache index for a given physical address
*
* @addr: physical address
*
* Returns L2 cache index
*/
uint32_t cvmx_l2c_address_to_index(uint64_t addr);
/**
* Flushes (and unlocks) the entire L2 cache.
* IMPORTANT: Must only be run by one core at a time due to use
* of L2C debug features.
*/
void cvmx_l2c_flush(void);
/**
*
* Returns Returns the size of the L2 cache in bytes,
* -1 on error (unrecognized model)
*/
int cvmx_l2c_get_cache_size_bytes(void);
/**
* Return the number of sets in the L2 Cache
*
* Returns
*/
int cvmx_l2c_get_num_sets(void);
/**
* Return log base 2 of the number of sets in the L2 cache
* Returns
*/
int cvmx_l2c_get_set_bits(void);
/**
* Return the number of associations in the L2 Cache
*
* Returns
*/
int cvmx_l2c_get_num_assoc(void);
/**
* Flush a line from the L2 cache
* This should only be called from one core at a time, as this routine
* sets the core to the 'debug' core in order to flush the line.
*
* @assoc: Association (or way) to flush
* @index: Index to flush
*/
void cvmx_l2c_flush_line(uint32_t assoc, uint32_t index);
#endif /* __CVMX_L2C_H__ */