dc4ee6ca91
make use of it where possible. This primarily brings in support for newer hardware, and FreeBSD is not yet able to support the abundance of IRQs on new hardware and many features in the Ethernet driver. Because of the changes to IRQs in the Simple Executive, we have to maintain our own list of Octeon IRQs now, which probably can be pared-down and be specific to the CIU interrupt unit soon, and when other interrupt mechanisms are added they can maintain their own definitions. Remove unmasking of interrupts from within the UART device now that the function used is no longer present in the Simple Executive. The unmasking seems to have been gratuitous as this is more properly handled by the buses above the UART device, and seems to work on that basis.
489 lines
19 KiB
C
489 lines
19 KiB
C
/***********************license start***************
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* Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights
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* reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Cavium Inc. nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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* This Software, including technical data, may be subject to U.S. export control
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* laws, including the U.S. Export Administration Act and its associated
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* regulations, and may be subject to export or import regulations in other
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* countries.
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
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* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
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* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
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* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
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* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
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* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
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* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
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* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
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* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
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* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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***********************license end**************************************/
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/**
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* @file
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* Simple allocate only memory allocator. Used to allocate memory at application
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* start time.
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*
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* <hr>$Revision: 70030 $<hr>
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*
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*/
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#ifndef __CVMX_BOOTMEM_H__
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#define __CVMX_BOOTMEM_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define CVMX_BOOTMEM_NAME_LEN 128 /* Must be multiple of 8, changing breaks ABI */
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#define CVMX_BOOTMEM_NUM_NAMED_BLOCKS 64 /* Can change without breaking ABI */
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#define CVMX_BOOTMEM_ALIGNMENT_SIZE (16ull) /* minimum alignment of bootmem alloced blocks */
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/* Flags for cvmx_bootmem_phy_mem* functions */
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#define CVMX_BOOTMEM_FLAG_END_ALLOC (1 << 0) /* Allocate from end of block instead of beginning */
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#define CVMX_BOOTMEM_FLAG_NO_LOCKING (1 << 1) /* Don't do any locking. */
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/* Real physical addresses of memory regions */
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#define OCTEON_DDR0_BASE (0x0ULL)
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#define OCTEON_DDR0_SIZE (0x010000000ULL)
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#define OCTEON_DDR1_BASE ((OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF7XXX)) ? 0x20000000ULL : 0x410000000ULL)
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#define OCTEON_DDR1_SIZE (0x010000000ULL)
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#define OCTEON_DDR2_BASE ((OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF7XXX)) ? 0x30000000ULL : 0x20000000ULL)
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#define OCTEON_DDR2_SIZE ((OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF7XXX)) ? 0x7d0000000ULL : 0x3e0000000ULL)
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#define OCTEON_MAX_PHY_MEM_SIZE ((OCTEON_IS_MODEL(OCTEON_CN68XX)) ? 128*1024*1024*1024ULL : (OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF7XXX)) ? 32*1024*1024*1024ull : 16*1024*1024*1024ULL)
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/* First bytes of each free physical block of memory contain this structure,
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* which is used to maintain the free memory list. Since the bootloader is
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* only 32 bits, there is a union providing 64 and 32 bit versions. The
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* application init code converts addresses to 64 bit addresses before the
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* application starts.
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*/
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typedef struct
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{
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/* Note: these are referenced from assembly routines in the bootloader, so this structure
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** should not be changed without changing those routines as well. */
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uint64_t next_block_addr;
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uint64_t size;
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} cvmx_bootmem_block_header_t;
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/* Structure for named memory blocks
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** Number of descriptors
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** available can be changed without affecting compatiblity,
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** but name length changes require a bump in the bootmem
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** descriptor version
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** Note: This structure must be naturally 64 bit aligned, as a single
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** memory image will be used by both 32 and 64 bit programs.
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*/
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struct cvmx_bootmem_named_block_desc
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{
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uint64_t base_addr; /**< Base address of named block */
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uint64_t size; /**< Size actually allocated for named block (may differ from requested) */
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char name[CVMX_BOOTMEM_NAME_LEN]; /**< name of named block */
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};
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typedef struct cvmx_bootmem_named_block_desc cvmx_bootmem_named_block_desc_t;
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/* Current descriptor versions */
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#define CVMX_BOOTMEM_DESC_MAJ_VER 3 /* CVMX bootmem descriptor major version */
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#define CVMX_BOOTMEM_DESC_MIN_VER 0 /* CVMX bootmem descriptor minor version */
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/* First three members of cvmx_bootmem_desc_t are left in original
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** positions for backwards compatibility.
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*/
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typedef struct
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{
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uint32_t lock; /**< spinlock to control access to list */
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uint32_t flags; /**< flags for indicating various conditions */
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uint64_t head_addr;
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uint32_t major_version; /**< incremented changed when incompatible changes made */
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uint32_t minor_version; /**< incremented changed when compatible changes made, reset to zero when major incremented */
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uint64_t app_data_addr;
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uint64_t app_data_size;
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uint32_t named_block_num_blocks; /**< number of elements in named blocks array */
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uint32_t named_block_name_len; /**< length of name array in bootmem blocks */
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uint64_t named_block_array_addr; /**< address of named memory block descriptors */
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} cvmx_bootmem_desc_t;
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/**
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* Initialize the boot alloc memory structures. This is
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* normally called inside of cvmx_user_app_init()
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*
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* @param mem_desc_addr Address of the free memory list
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* @return
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*/
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extern int cvmx_bootmem_init(uint64_t mem_desc_addr);
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/**
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* Allocate a block of memory from the free list that was passed
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* to the application by the bootloader.
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* This is an allocate-only algorithm, so freeing memory is not possible.
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*
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* @param size Size in bytes of block to allocate
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* @param alignment Alignment required - must be power of 2
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*
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* @return pointer to block of memory, NULL on error
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*/
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extern void *cvmx_bootmem_alloc(uint64_t size, uint64_t alignment);
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/**
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* Allocate a block of memory from the free list that was
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* passed to the application by the bootloader at a specific
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* address. This is an allocate-only algorithm, so
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* freeing memory is not possible. Allocation will fail if
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* memory cannot be allocated at the specified address.
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*
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* @param size Size in bytes of block to allocate
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* @param address Physical address to allocate memory at. If this memory is not
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* available, the allocation fails.
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* @param alignment Alignment required - must be power of 2
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* @return pointer to block of memory, NULL on error
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*/
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extern void *cvmx_bootmem_alloc_address(uint64_t size, uint64_t address, uint64_t alignment);
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/**
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* Allocate a block of memory from the free list that was
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* passed to the application by the bootloader within a specified
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* address range. This is an allocate-only algorithm, so
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* freeing memory is not possible. Allocation will fail if
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* memory cannot be allocated in the requested range.
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*
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* @param size Size in bytes of block to allocate
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* @param min_addr defines the minimum address of the range
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* @param max_addr defines the maximum address of the range
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* @param alignment Alignment required - must be power of 2
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* @param flags Flags to control options for the allocation.
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* @return pointer to block of memory, NULL on error
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*/
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extern void *cvmx_bootmem_alloc_range_flags(uint64_t size, uint64_t alignment, uint64_t min_addr, uint64_t max_addr, uint32_t flags);
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/**
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* Allocate a block of memory from the free list that was
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* passed to the application by the bootloader within a specified
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* address range. This is an allocate-only algorithm, so
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* freeing memory is not possible. Allocation will fail if
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* memory cannot be allocated in the requested range.
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*
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* @param size Size in bytes of block to allocate
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* @param min_addr defines the minimum address of the range
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* @param max_addr defines the maximum address of the range
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* @param alignment Alignment required - must be power of 2
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* @return pointer to block of memory, NULL on error
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*/
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extern void *cvmx_bootmem_alloc_range(uint64_t size, uint64_t alignment, uint64_t min_addr, uint64_t max_addr);
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/**
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* Allocate a block of memory from the free list that was passed
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* to the application by the bootloader, and assign it a name in the
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* global named block table. (part of the cvmx_bootmem_descriptor_t structure)
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* Named blocks can later be freed.
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*
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* @param size Size in bytes of block to allocate
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* @param alignment Alignment required - must be power of 2
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* @param name name of block - must be less than CVMX_BOOTMEM_NAME_LEN bytes
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*
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* @return pointer to block of memory, NULL on error
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*/
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extern void *cvmx_bootmem_alloc_named(uint64_t size, uint64_t alignment, const char *name);
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/**
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* Allocate a block of memory from the free list that was passed
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* to the application by the bootloader, and assign it a name in the
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* global named block table. (part of the cvmx_bootmem_descriptor_t structure)
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* Named blocks can later be freed.
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*
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* @param size Size in bytes of block to allocate
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* @param alignment Alignment required - must be power of 2
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* @param name name of block - must be less than CVMX_BOOTMEM_NAME_LEN bytes
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* @param flags Flags to control options for the allocation.
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*
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* @return pointer to block of memory, NULL on error
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*/
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extern void *cvmx_bootmem_alloc_named_flags(uint64_t size, uint64_t alignment, const char *name, uint32_t flags);
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/**
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* Allocate a block of memory from the free list that was passed
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* to the application by the bootloader, and assign it a name in the
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* global named block table. (part of the cvmx_bootmem_descriptor_t structure)
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* Named blocks can later be freed.
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*
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* @param size Size in bytes of block to allocate
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* @param address Physical address to allocate memory at. If this memory is not
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* available, the allocation fails.
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* @param name name of block - must be less than CVMX_BOOTMEM_NAME_LEN bytes
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*
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* @return pointer to block of memory, NULL on error
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*/
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extern void *cvmx_bootmem_alloc_named_address(uint64_t size, uint64_t address, const char *name);
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/**
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* Allocate a block of memory from a specific range of the free list that was passed
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* to the application by the bootloader, and assign it a name in the
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* global named block table. (part of the cvmx_bootmem_descriptor_t structure)
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* Named blocks can later be freed.
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* If request cannot be satisfied within the address range specified, NULL is returned
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*
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* @param size Size in bytes of block to allocate
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* @param min_addr minimum address of range
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* @param max_addr maximum address of range
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* @param align Alignment of memory to be allocated. (must be a power of 2)
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* @param name name of block - must be less than CVMX_BOOTMEM_NAME_LEN bytes
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*
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* @return pointer to block of memory, NULL on error
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*/
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extern void *cvmx_bootmem_alloc_named_range(uint64_t size, uint64_t min_addr, uint64_t max_addr, uint64_t align, const char *name);
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/**
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* Allocate if needed a block of memory from a specific range of the free list that was passed
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* to the application by the bootloader, and assign it a name in the
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* global named block table. (part of the cvmx_bootmem_descriptor_t structure)
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* Named blocks can later be freed.
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* If the requested name block is already allocated, return the pointer to block of memory.
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* If request cannot be satisfied within the address range specified, NULL is returned
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*
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* @param size Size in bytes of block to allocate
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* @param min_addr minimum address of range
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* @param max_addr maximum address of range
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* @param align Alignment of memory to be allocated. (must be a power of 2)
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* @param name name of block - must be less than CVMX_BOOTMEM_NAME_LEN bytes
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* @param init Initialization function
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*
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* @return pointer to block of memory, NULL on error
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*/
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extern void *cvmx_bootmem_alloc_named_range_once(uint64_t size, uint64_t min_addr, uint64_t max_addr, uint64_t align, const char *name, void (*init)(void*));
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/**
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* Frees a previously allocated named bootmem block.
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*
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* @param name name of block to free
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*
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* @return 0 on failure,
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* !0 on success
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*/
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extern int cvmx_bootmem_free_named(const char *name);
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/**
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* Finds a named bootmem block by name.
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*
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* @param name name of block to free
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*
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* @return pointer to named block descriptor on success
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* 0 on failure
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*/
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const cvmx_bootmem_named_block_desc_t *cvmx_bootmem_find_named_block(const char *name);
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/**
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* Returns the size of available memory in bytes, only
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* counting blocks that are at least as big as the minimum block
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* size.
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*
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* @param min_block_size
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* Minimum block size to count in total.
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*
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* @return Number of bytes available for allocation that meet the block size requirement
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*/
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uint64_t cvmx_bootmem_available_mem(uint64_t min_block_size);
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/**
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* Prints out the list of named blocks that have been allocated
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* along with their addresses and sizes.
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* This is primarily used for debugging purposes
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*/
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void cvmx_bootmem_print_named(void);
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/**
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* Allocates a block of physical memory from the free list, at (optional) requested address and alignment.
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*
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* @param req_size size of region to allocate. All requests are rounded up to be a multiple CVMX_BOOTMEM_ALIGNMENT_SIZE bytes size
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* @param address_min
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* Minimum address that block can occupy.
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* @param address_max
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* Specifies the maximum address_min (inclusive) that the allocation can use.
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* @param alignment Requested alignment of the block. If this alignment cannot be met, the allocation fails.
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* This must be a power of 2.
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* (Note: Alignment of CVMX_BOOTMEM_ALIGNMENT_SIZE bytes is required, and internally enforced. Requested alignments of
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* less than CVMX_BOOTMEM_ALIGNMENT_SIZE are set to CVMX_BOOTMEM_ALIGNMENT_SIZE.)
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* @param flags Flags to control options for the allocation.
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*
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* @return physical address of block allocated, or -1 on failure
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*/
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int64_t cvmx_bootmem_phy_alloc(uint64_t req_size, uint64_t address_min, uint64_t address_max, uint64_t alignment, uint32_t flags);
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/**
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* Allocates a named block of physical memory from the free list, at (optional) requested address and alignment.
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*
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* @param size size of region to allocate. All requests are rounded up to be a multiple CVMX_BOOTMEM_ALIGNMENT_SIZE bytes size
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* @param min_addr
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* Minimum address that block can occupy.
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* @param max_addr
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* Specifies the maximum address_min (inclusive) that the allocation can use.
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* @param alignment Requested alignment of the block. If this alignment cannot be met, the allocation fails.
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* This must be a power of 2.
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* (Note: Alignment of CVMX_BOOTMEM_ALIGNMENT_SIZE bytes is required, and internally enforced. Requested alignments of
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* less than CVMX_BOOTMEM_ALIGNMENT_SIZE are set to CVMX_BOOTMEM_ALIGNMENT_SIZE.)
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* @param name name to assign to named block
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* @param flags Flags to control options for the allocation.
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*
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* @return physical address of block allocated, or -1 on failure
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*/
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int64_t cvmx_bootmem_phy_named_block_alloc(uint64_t size, uint64_t min_addr, uint64_t max_addr, uint64_t alignment, const char *name, uint32_t flags);
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/**
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* Finds a named memory block by name.
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* Also used for finding an unused entry in the named block table.
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*
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* @param name Name of memory block to find.
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* If NULL pointer given, then finds unused descriptor, if available.
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* @param flags Flags to control options for the allocation.
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*
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* @return Physical address of the memory block descriptor, zero if not
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* found. If zero returned when name parameter is NULL, then no
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* memory block descriptors are available.
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*/
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uint64_t cvmx_bootmem_phy_named_block_find(const char *name, uint32_t flags);
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/**
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* Returns the size of available memory in bytes, only
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* counting blocks that are at least as big as the minimum block
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* size.
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*
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* @param min_block_size
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* Minimum block size to count in total.
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*
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* @return Number of bytes available for allocation that meet the block size requirement
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*/
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uint64_t cvmx_bootmem_phy_available_mem(uint64_t min_block_size);
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/**
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* Frees a named block.
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*
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* @param name name of block to free
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* @param flags flags for passing options
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*
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* @return 0 on failure
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* 1 on success
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*/
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int cvmx_bootmem_phy_named_block_free(const char *name, uint32_t flags);
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/**
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* Frees a block to the bootmem allocator list. This must
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* be used with care, as the size provided must match the size
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* of the block that was allocated, or the list will become
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* corrupted.
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*
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* IMPORTANT: This is only intended to be used as part of named block
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* frees and initial population of the free memory list.
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* *
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*
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* @param phy_addr physical address of block
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* @param size size of block in bytes.
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* @param flags flags for passing options
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*
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* @return 1 on success,
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* 0 on failure
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*/
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int __cvmx_bootmem_phy_free(uint64_t phy_addr, uint64_t size, uint32_t flags);
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/**
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* Prints the list of currently allocated named blocks
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*
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*/
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void cvmx_bootmem_phy_named_block_print(void);
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/**
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* Prints the list of available memory.
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*
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*/
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void cvmx_bootmem_phy_list_print(void);
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/**
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* This function initializes the free memory list used by cvmx_bootmem.
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* This must be called before any allocations can be done.
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*
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* @param mem_size Total memory available, in bytes
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* @param low_reserved_bytes
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* Number of bytes to reserve (leave out of free list) at address 0x0.
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* @param desc_buffer
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* Buffer for the bootmem descriptor. This must be a 32 bit addressable
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* address.
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*
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* @return 1 on success
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* 0 on failure
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*/
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int64_t cvmx_bootmem_phy_mem_list_init(uint64_t mem_size, uint32_t low_reserved_bytes, cvmx_bootmem_desc_t *desc_buffer);
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/**
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* Locks the bootmem allocator. This is useful in certain situations
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* where multiple allocations must be made without being interrupted.
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* This should be used with the CVMX_BOOTMEM_FLAG_NO_LOCKING flag.
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*
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|
*/
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void cvmx_bootmem_lock(void);
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|
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/**
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|
* Unlocks the bootmem allocator. This is useful in certain situations
|
|
* where multiple allocations must be made without being interrupted.
|
|
* This should be used with the CVMX_BOOTMEM_FLAG_NO_LOCKING flag.
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|
*
|
|
*/
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|
void cvmx_bootmem_unlock(void);
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|
|
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/**
|
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* Internal use function to get the current descriptor pointer */
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|
void *__cvmx_bootmem_internal_get_desc_ptr(void);
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|
|
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#ifdef __cplusplus
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}
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|
#endif
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|
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#endif /* __CVMX_BOOTMEM_H__ */
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