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https://github.com/marqs85/ossc
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127 lines
6.3 KiB
C
127 lines
6.3 KiB
C
/******************************************************************************
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* *
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* License Agreement *
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* *
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* Copyright (c) 2015 Altera Corporation, San Jose, California, USA. *
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* All rights reserved. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the "Software"), *
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* to deal in the Software without restriction, including without limitation *
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
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* and/or sell copies of the Software, and to permit persons to whom the *
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* Software is furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in *
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* all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
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* DEALINGS IN THE SOFTWARE. *
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* *
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* This agreement shall be governed in all respects by the laws of the State *
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* of California and by the laws of the United States of America. *
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* *
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******************************************************************************/
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#ifndef __ALT_EPCQ_CONTROLLER2_H__
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#define __ALT_EPCQ_CONTROLLER2_H__
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#include "alt_types.h"
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#include "sys/alt_flash_dev.h"
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#include "sys/alt_llist.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif /* __cplusplus */
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/**
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* Description of the EPCQ controller
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*/
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typedef struct alt_epcq_controller2_dev
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{
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alt_flash_dev dev;
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alt_u32 data_base; /** base address of data slave */
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alt_u32 data_end; /** end address of data slave (not inclusive) */
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alt_u32 csr_base; /** base address of CSR slave */
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alt_u32 size_in_bytes; /** size of memory in bytes */
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alt_u32 is_epcs; /** 1 if device is an EPCS device */
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alt_u32 number_of_sectors; /** number of flash sectors */
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alt_u32 sector_size; /** size of each flash sector */
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alt_u32 page_size; /** page size */
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alt_u32 silicon_id; /** ID of silicon used with EPCQ IP */
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} alt_epcq_controller2_dev;
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/**
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* Macros used by alt_sys_init.c to create data storage for driver instance
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*/
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#define ALTERA_EPCQ_CONTROLLER2_AVL_MEM_AVL_CSR_INSTANCE(epcq_name, avl_mem, avl_csr, epcq_dev) \
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static alt_epcq_controller2_dev epcq_dev = \
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{ \
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.dev = { \
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.llist = ALT_LLIST_ENTRY, \
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.name = avl_mem##_NAME, \
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.write = alt_epcq_controller2_write, \
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.read = alt_epcq_controller2_read, \
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.get_info = alt_epcq_controller2_get_info, \
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.erase_block = alt_epcq_controller2_erase_block, \
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.write_block = alt_epcq_controller2_write_block, \
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.base_addr = ((void*)(avl_mem##_BASE)), \
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.length = ((int)(avl_mem##_SPAN)), \
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.lock = alt_epcq_controller2_lock , \
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}, \
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.data_base = ((alt_u32)(avl_mem##_BASE)), \
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.data_end = ((alt_u32)(avl_mem##_BASE) + (alt_u32)(avl_mem##_SPAN)), \
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.csr_base = ((alt_u32)(avl_csr##_BASE)), \
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.size_in_bytes = ((alt_u32)(avl_mem##_SPAN)), \
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.is_epcs = ((alt_u32)(avl_mem##_IS_EPCS)), \
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.number_of_sectors = ((alt_u32)(avl_mem##_NUMBER_OF_SECTORS)), \
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.sector_size = ((alt_u32)(avl_mem##_SECTOR_SIZE)), \
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.page_size = ((alt_u32)(avl_mem##_PAGE_SIZE)) , \
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}
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/*
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Public API
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Refer to Using Flash Devices in the
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Developing Programs Using the Hardware Abstraction Layer chapter
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of the Nios II Software Developer's Handbook.
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*/
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int alt_epcq_controller2_read(alt_flash_dev *flash_info, int offset, void *dest_addr, int length);
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int alt_epcq_controller2_get_info(alt_flash_fd *fd, flash_region **info, int *number_of_regions);
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int alt_epcq_controller2_erase_block(alt_flash_dev *flash_info, int block_offset);
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int alt_epcq_controller2_write_block(alt_flash_dev *flash_info, int block_offset, int data_offset, const void *data, int length);
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int alt_epcq_controller2_write(alt_flash_dev *flash_info, int offset, const void *src_addr, int length);
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int alt_epcq_controller2_lock(alt_flash_dev *flash_info, alt_u32 sectors_to_lock);
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/*
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* Initialization function
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*/
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extern alt_32 altera_epcq_controller2_init(alt_epcq_controller2_dev *dev);
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/*
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* alt_sys_init.c will call this macro automatically initialize the driver instance
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*/
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#define ALTERA_EPCQ_CONTROLLER2_INIT(name, dev) \
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altera_epcq_controller2_init(&dev);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __ALT_EPCQ_CONTROLLER2_H__ */
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