diff options
Diffstat (limited to 'drivers/net/npe/IxOsalIoMem.c')
| -rw-r--r-- | drivers/net/npe/IxOsalIoMem.c | 307 |
1 files changed, 0 insertions, 307 deletions
diff --git a/drivers/net/npe/IxOsalIoMem.c b/drivers/net/npe/IxOsalIoMem.c deleted file mode 100644 index bf3acdc..0000000 --- a/drivers/net/npe/IxOsalIoMem.c +++ /dev/null @@ -1,307 +0,0 @@ -/** - * @file IxOsalIoMem.c - * - * @brief OS-independent IO/Mem implementation - * - * - * @par - * IXP400 SW Release version 2.0 - * - * -- Copyright Notice -- - * - * @par - * Copyright 2001-2005, Intel Corporation. - * All rights reserved. - * - * @par - * SPDX-License-Identifier: BSD-3-Clause - * @par - * -- End of Copyright Notice -- - */ - -/* Access to the global mem map is only allowed in this file */ -#define IxOsalIoMem_C - -#include "IxOsal.h" - -#define SEARCH_PHYSICAL_ADDRESS (1) -#define SEARCH_VIRTUAL_ADDRESS (2) - -/* - * Searches for map using one of the following criteria: - * - * - enough room to include a zone starting with the physical "requestedAddress" of size "size" (for mapping) - * - includes the virtual "requestedAddress" in its virtual address space (already mapped, for unmapping) - * - correct coherency - * - * Returns a pointer to the map or NULL if a suitable map is not found. - */ -PRIVATE IxOsalMemoryMap * -ixOsalMemMapFind (UINT32 requestedAddress, - UINT32 size, UINT32 searchCriteria, UINT32 requestedEndianType) -{ - UINT32 mapIndex; - - UINT32 numMapElements = ARRAY_SIZE(ixOsalGlobalMemoryMap); - - for (mapIndex = 0; mapIndex < numMapElements; mapIndex++) - { - IxOsalMemoryMap *map = &ixOsalGlobalMemoryMap[mapIndex]; - - if (searchCriteria == SEARCH_PHYSICAL_ADDRESS - && requestedAddress >= map->physicalAddress - && (requestedAddress + size) <= (map->physicalAddress + map->size) - && (map->mapEndianType & requestedEndianType) != 0) - { - return map; - } - else if (searchCriteria == SEARCH_VIRTUAL_ADDRESS - && requestedAddress >= map->virtualAddress - && requestedAddress <= (map->virtualAddress + map->size) - && (map->mapEndianType & requestedEndianType) != 0) - { - return map; - } - else if (searchCriteria == SEARCH_PHYSICAL_ADDRESS) - { - ixOsalLog (IX_OSAL_LOG_LVL_DEBUG3, - IX_OSAL_LOG_DEV_STDOUT, - "Osal: Checking [phys addr 0x%x:size 0x%x:endianType %d]\n", - map->physicalAddress, map->size, map->mapEndianType, 0, 0, 0); - } - } - - /* - * not found - */ - return NULL; -} - -/* - * This function maps an I/O mapped physical memory zone of the given size - * into a virtual memory zone accessible by the caller and returns a cookie - - * the start address of the virtual memory zone. - * IX_OSAL_MMAP_PHYS_TO_VIRT should NOT therefore be used on the returned - * virtual address. - * The memory zone is to be unmapped using ixOsalMemUnmap once the caller has - * finished using this zone (e.g. on driver unload) using the cookie as - * parameter. - * The IX_OSAL_READ/WRITE_LONG/SHORT macros should be used to read and write - * the mapped memory, adding the necessary offsets to the address cookie. - * - * Note: this function is not to be used directly. Use IX_OSAL_MEM_MAP - * instead. - */ -PUBLIC void * -ixOsalIoMemMap (UINT32 requestedAddress, - UINT32 size, IxOsalMapEndianessType requestedEndianType) -{ - IxOsalMemoryMap *map; - - ixOsalLog (IX_OSAL_LOG_LVL_DEBUG3, - IX_OSAL_LOG_DEV_STDOUT, - "OSAL: Mapping [addr 0x%x:size 0x%x:endianType %d]\n", - requestedAddress, size, requestedEndianType, 0, 0, 0); - - if (requestedEndianType == IX_OSAL_LE) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, - IX_OSAL_LOG_DEV_STDOUT, - "ixOsalIoMemMap: Please specify component coherency mode to use MEM functions \n", - 0, 0, 0, 0, 0, 0); - return (NULL); - } - map = ixOsalMemMapFind (requestedAddress, - size, SEARCH_PHYSICAL_ADDRESS, requestedEndianType); - if (map != NULL) - { - UINT32 offset = requestedAddress - map->physicalAddress; - - ixOsalLog (IX_OSAL_LOG_LVL_DEBUG3, - IX_OSAL_LOG_DEV_STDOUT, "OSAL: Found map [", 0, 0, 0, 0, 0, 0); - ixOsalLog (IX_OSAL_LOG_LVL_DEBUG3, - IX_OSAL_LOG_DEV_STDOUT, map->name, 0, 0, 0, 0, 0, 0); - ixOsalLog (IX_OSAL_LOG_LVL_DEBUG3, - IX_OSAL_LOG_DEV_STDOUT, - ":addr 0x%x: virt 0x%x:size 0x%x:ref %d:endianType %d]\n", - map->physicalAddress, map->virtualAddress, - map->size, map->refCount, map->mapEndianType, 0); - - if (map->type == IX_OSAL_DYNAMIC_MAP && map->virtualAddress == 0) - { - if (map->mapFunction != NULL) - { - map->mapFunction (map); - - if (map->virtualAddress == 0) - { - /* - * failed - */ - ixOsalLog (IX_OSAL_LOG_LVL_FATAL, - IX_OSAL_LOG_DEV_STDERR, - "OSAL: Remap failed - [addr 0x%x:size 0x%x:endianType %d]\n", - requestedAddress, size, requestedEndianType, 0, 0, 0); - return NULL; - } - } - else - { - /* - * error, no map function for a dynamic map - */ - ixOsalLog (IX_OSAL_LOG_LVL_FATAL, - IX_OSAL_LOG_DEV_STDERR, - "OSAL: No map function for a dynamic map - " - "[addr 0x%x:size 0x%x:endianType %d]\n", - requestedAddress, size, requestedEndianType, 0, 0, 0); - - return NULL; - } - } - - /* - * increment reference count - */ - map->refCount++; - - return (void *) (map->virtualAddress + offset); - } - - /* - * requested address is not described in the global memory map - */ - ixOsalLog (IX_OSAL_LOG_LVL_FATAL, - IX_OSAL_LOG_DEV_STDERR, - "OSAL: No mapping found - [addr 0x%x:size 0x%x:endianType %d]\n", - requestedAddress, size, requestedEndianType, 0, 0, 0); - return NULL; -} - -/* - * This function unmaps a previously mapped I/O memory zone using - * the cookie obtained in the mapping operation. The memory zone in question - * becomes unavailable to the caller once unmapped and the cookie should be - * discarded. - * - * This function cannot fail if the given parameter is correct and does not - * return a value. - * - * Note: this function is not to be used directly. Use IX_OSAL_MEM_UNMAP - * instead. - */ -PUBLIC void -ixOsalIoMemUnmap (UINT32 requestedAddress, UINT32 endianType) -{ - IxOsalMemoryMap *map; - - if (endianType == IX_OSAL_LE) - { - ixOsalLog (IX_OSAL_LOG_LVL_ERROR, - IX_OSAL_LOG_DEV_STDOUT, - "ixOsalIoMemUnmap: Please specify component coherency mode to use MEM functions \n", - 0, 0, 0, 0, 0, 0); - return; - } - - if (requestedAddress == 0) - { - /* - * invalid virtual address - */ - return; - } - - map = - ixOsalMemMapFind (requestedAddress, 0, SEARCH_VIRTUAL_ADDRESS, - endianType); - - if (map != NULL) - { - if (map->refCount > 0) - { - /* - * decrement reference count - */ - map->refCount--; - - if (map->refCount == 0) - { - /* - * no longer used, deallocate - */ - if (map->type == IX_OSAL_DYNAMIC_MAP - && map->unmapFunction != NULL) - { - map->unmapFunction (map); - } - } - } - } - else - { - ixOsalLog (IX_OSAL_LOG_LVL_WARNING, - IX_OSAL_LOG_DEV_STDERR, - "OSAL: ixOsServMemUnmap didn't find the requested map " - "[virt addr 0x%x: endianType %d], ignoring call\n", - requestedAddress, endianType, 0, 0, 0, 0); - } -} - -/* - * This function Converts a virtual address into a physical - * address, including the dynamically mapped memory. - * - * Parameters virtAddr - virtual address to convert - * Return value: corresponding physical address, or NULL - * if there is no physical address addressable - * by the given virtual address - * OS: VxWorks, Linux, WinCE, QNX, eCos - * Reentrant: Yes - * IRQ safe: Yes - */ -PUBLIC UINT32 -ixOsalIoMemVirtToPhys (UINT32 virtualAddress, UINT32 requestedCoherency) -{ - IxOsalMemoryMap *map = - ixOsalMemMapFind (virtualAddress, 0, SEARCH_VIRTUAL_ADDRESS, - requestedCoherency); - - if (map != NULL) - { - return map->physicalAddress + virtualAddress - map->virtualAddress; - } - else - { - return (UINT32) IX_OSAL_MMU_VIRT_TO_PHYS (virtualAddress); - } -} - -/* - * This function Converts a virtual address into a physical - * address, including the dynamically mapped memory. - * - * Parameters virtAddr - virtual address to convert - * Return value: corresponding physical address, or NULL - * if there is no physical address addressable - * by the given virtual address - * OS: VxWorks, Linux, WinCE, QNX, eCos - * Reentrant: Yes - * IRQ safe: Yes - */ -PUBLIC UINT32 -ixOsalIoMemPhysToVirt (UINT32 physicalAddress, UINT32 requestedCoherency) -{ - IxOsalMemoryMap *map = - ixOsalMemMapFind (physicalAddress, 0, SEARCH_PHYSICAL_ADDRESS, - requestedCoherency); - - if (map != NULL) - { - return map->virtualAddress + physicalAddress - map->physicalAddress; - } - else - { - return (UINT32) IX_OSAL_MMU_PHYS_TO_VIRT (physicalAddress); - } -} |