| /* SPDX-License-Identifier: BSD-3-Clause |
| * |
| * Copyright(c) 2022 Intel Corporation. All rights reserved. |
| * |
| * Author: Bartosz Kokoszko <bartoszx.kokoszko@linux.intel.com> |
| */ |
| |
| #ifdef __PLATFORM_LIB_MEMORY_H__ |
| |
| #ifndef __ACE_LIB_MEMORY_H__ |
| #define __ACE_LIB_MEMORY_H__ |
| |
| #include <sof/common.h> |
| #include <rtos/cache.h> |
| #if !defined(__ASSEMBLER__) && !defined(LINKER) |
| #include <sof/lib/cpu.h> |
| #endif |
| |
| #define SRAM_BANK_SIZE (128 * 1024) |
| |
| #define EBB_BANKS_IN_SEGMENT 32 |
| |
| /* data cache line alignment */ |
| #define PLATFORM_DCACHE_ALIGN DCACHE_LINE_SIZE |
| |
| /** |
| * \brief Data shared between different cores. |
| * Placed into dedicated section, which should be accessed through |
| * uncached memory region. SMP platforms without uncache can simply |
| * align to cache line size instead. |
| */ |
| #define SHARED_DATA |
| |
| #define PLATFORM_LPSRAM_EBB_COUNT (DT_REG_SIZE(DT_NODELABEL(sram1)) / SRAM_BANK_SIZE) |
| #define PLATFORM_HPSRAM_EBB_COUNT (DT_REG_SIZE(DT_NODELABEL(sram0)) / SRAM_BANK_SIZE) |
| |
| #define SRAM_CACHED_BASE 0xA0000000 |
| #define SRAM_BASE 0x40000000 |
| #define SRAM_ALIAS_MASK 0xF0000000 |
| #define SRAM_ALIAS_OFFSET 0x60000000 |
| |
| #if !defined UNIT_TEST |
| static inline void __sparse_cache *uncache_to_cache(void *address) |
| { |
| return (void __sparse_cache *)(((uintptr_t)(address) & ~SRAM_ALIAS_MASK) | |
| SRAM_CACHED_BASE); |
| } |
| |
| static inline void *cache_to_uncache(void __sparse_cache *address) |
| { |
| return (void *)(((uintptr_t)(address) & ~SRAM_ALIAS_MASK) | SRAM_BASE); |
| } |
| |
| #define is_uncached(address) \ |
| (((uint32_t)(address) & SRAM_ALIAS_MASK) == SRAM_BASE) |
| #else |
| #define uncache_to_cache(address) address |
| #define cache_to_uncache(address) address |
| #define is_uncached(address) 0 |
| #endif |
| |
| /** |
| * \brief Returns pointer to the memory shared by multiple cores. |
| * \param[in,out] ptr Initial pointer to the allocated memory. |
| * \param[in] bytes Size of the allocated memory |
| * \return Appropriate pointer to the shared memory. |
| * |
| * This function is called only once right after allocation of shared memory. |
| * Platforms with uncached memory region should return aliased address. |
| * On platforms without such region simple invalidate is enough. |
| */ |
| static inline void *platform_shared_get(void *ptr, int bytes) |
| { |
| return ptr; |
| } |
| |
| #endif /* __ACE_LIB_MEMORY_H__ */ |
| |
| #else |
| |
| #error "This file shouldn't be included from outside of platform/lib/memory.h" |
| |
| #endif /* __PLATFORM_LIB_MEMORY_H__ */ |
