diff options
Diffstat (limited to 'cvmx-bootmem.h')
| -rw-r--r-- | cvmx-bootmem.h | 65 |
1 files changed, 61 insertions, 4 deletions
diff --git a/cvmx-bootmem.h b/cvmx-bootmem.h index 2f07990e5c12f..319b2c9a401f0 100644 --- a/cvmx-bootmem.h +++ b/cvmx-bootmem.h @@ -1,5 +1,5 @@ /***********************license start*************** - * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights + * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights * reserved. * * @@ -15,7 +15,7 @@ * disclaimer in the documentation and/or other materials provided * with the distribution. - * * Neither the name of Cavium Networks nor the names of + * * Neither the name of Cavium Inc. nor the names of * its contributors may be used to endorse or promote products * derived from this software without specific prior written * permission. @@ -26,7 +26,7 @@ * countries. * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" - * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR + * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM @@ -47,7 +47,7 @@ * Simple allocate only memory allocator. Used to allocate memory at application * start time. * - * <hr>$Revision: 49448 $<hr> + * <hr>$Revision: 70030 $<hr> * */ @@ -66,6 +66,14 @@ extern "C" { #define CVMX_BOOTMEM_FLAG_END_ALLOC (1 << 0) /* Allocate from end of block instead of beginning */ #define CVMX_BOOTMEM_FLAG_NO_LOCKING (1 << 1) /* Don't do any locking. */ +/* Real physical addresses of memory regions */ +#define OCTEON_DDR0_BASE (0x0ULL) +#define OCTEON_DDR0_SIZE (0x010000000ULL) +#define OCTEON_DDR1_BASE ((OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF7XXX)) ? 0x20000000ULL : 0x410000000ULL) +#define OCTEON_DDR1_SIZE (0x010000000ULL) +#define OCTEON_DDR2_BASE ((OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF7XXX)) ? 0x30000000ULL : 0x20000000ULL) +#define OCTEON_DDR2_SIZE ((OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF7XXX)) ? 0x7d0000000ULL : 0x3e0000000ULL) +#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) /* First bytes of each free physical block of memory contain this structure, * which is used to maintain the free memory list. Since the bootloader is @@ -162,6 +170,21 @@ extern void *cvmx_bootmem_alloc(uint64_t size, uint64_t alignment); */ extern void *cvmx_bootmem_alloc_address(uint64_t size, uint64_t address, uint64_t alignment); +/** + * Allocate a block of memory from the free list that was + * passed to the application by the bootloader within a specified + * address range. This is an allocate-only algorithm, so + * freeing memory is not possible. Allocation will fail if + * memory cannot be allocated in the requested range. + * + * @param size Size in bytes of block to allocate + * @param min_addr defines the minimum address of the range + * @param max_addr defines the maximum address of the range + * @param alignment Alignment required - must be power of 2 + * @param flags Flags to control options for the allocation. + * @return pointer to block of memory, NULL on error + */ +extern void *cvmx_bootmem_alloc_range_flags(uint64_t size, uint64_t alignment, uint64_t min_addr, uint64_t max_addr, uint32_t flags); /** @@ -194,6 +217,21 @@ extern void *cvmx_bootmem_alloc_range(uint64_t size, uint64_t alignment, uint64_ */ extern void *cvmx_bootmem_alloc_named(uint64_t size, uint64_t alignment, const char *name); +/** + * Allocate a block of memory from the free list that was passed + * to the application by the bootloader, and assign it a name in the + * global named block table. (part of the cvmx_bootmem_descriptor_t structure) + * Named blocks can later be freed. + * + * @param size Size in bytes of block to allocate + * @param alignment Alignment required - must be power of 2 + * @param name name of block - must be less than CVMX_BOOTMEM_NAME_LEN bytes + * @param flags Flags to control options for the allocation. + * + * @return pointer to block of memory, NULL on error + */ +extern void *cvmx_bootmem_alloc_named_flags(uint64_t size, uint64_t alignment, const char *name, uint32_t flags); + /** @@ -231,6 +269,25 @@ extern void *cvmx_bootmem_alloc_named_address(uint64_t size, uint64_t address, c extern void *cvmx_bootmem_alloc_named_range(uint64_t size, uint64_t min_addr, uint64_t max_addr, uint64_t align, const char *name); /** + * Allocate if needed a block of memory from a specific range of the free list that was passed + * to the application by the bootloader, and assign it a name in the + * global named block table. (part of the cvmx_bootmem_descriptor_t structure) + * Named blocks can later be freed. + * If the requested name block is already allocated, return the pointer to block of memory. + * If request cannot be satisfied within the address range specified, NULL is returned + * + * @param size Size in bytes of block to allocate + * @param min_addr minimum address of range + * @param max_addr maximum address of range + * @param align Alignment of memory to be allocated. (must be a power of 2) + * @param name name of block - must be less than CVMX_BOOTMEM_NAME_LEN bytes + * @param init Initialization function + * + * @return pointer to block of memory, NULL on error + */ +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*)); + +/** * Frees a previously allocated named bootmem block. * * @param name name of block to free |