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skrzyp |
//==========================================================================
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//
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// legacy_api.c
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//
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// Legacy API implementation on top of the new API
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//
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//==========================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 2004, 2009 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): Andrew Lunn
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// Contributors: Andrew Lunn
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// Date: 2004-07-02
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// Purpose:
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// Description: Implement an interface to the legacy device drivers
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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#include <pkgconf/system.h>
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#include <pkgconf/io_flash.h>
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#include <cyg/io/flash.h>
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int
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flash_init(_printf *pf)
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{
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cyg_flash_set_global_printf(pf);
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return cyg_flash_init(NULL);
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}
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int
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flash_verify_addr(void *target)
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{
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return cyg_flash_verify_addr((cyg_flashaddr_t) target);
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}
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int
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flash_get_limits(void *target, void **start, void **end)
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{
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int err;
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cyg_flash_info_t info;
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err = cyg_flash_get_info(0, &info);
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if (err != CYG_FLASH_ERR_OK) {
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return err;
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}
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*start = (void *)info.start;
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*end = (void *)info.end;
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return CYG_FLASH_ERR_OK;
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}
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int
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flash_get_block_info(int *block_size, int *blocks)
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{
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size_t biggest_size=0;
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cyg_uint32 i;
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cyg_flash_info_t info;
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int err;
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err = cyg_flash_get_info(0, &info);
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if (err != CYG_FLASH_ERR_OK) {
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return err;
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}
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// Find the biggest size of blocks
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for (i=0; i < info.num_block_infos; i++) {
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if (info.block_info[i].block_size > biggest_size) {
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biggest_size = info.block_info[i].block_size;
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}
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}
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// Calculate the number of biggest size blocks
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*block_size = biggest_size;
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*blocks = 0;
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for (i=0; i < info.num_block_infos; i++) {
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*blocks += (info.block_info[i].block_size *
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info.block_info[i].blocks) /
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biggest_size;
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}
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return CYG_FLASH_ERR_OK;
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}
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int
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flash_erase(void *addr, int len, void **err_addr)
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{
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return cyg_flash_erase((cyg_flashaddr_t)addr, len,
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(cyg_flashaddr_t *)err_addr);
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}
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#ifdef CYGHWR_IO_FLASH_BLOCK_LOCKING
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int
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flash_lock(void *addr, int len, void **err_addr)
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{
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return cyg_flash_lock((cyg_flashaddr_t)addr, len,
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(cyg_flashaddr_t *)err_addr);
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}
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int
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flash_unlock(void *addr, int len, void **err_addr)
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{
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return cyg_flash_unlock((cyg_flashaddr_t)addr, len,
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(cyg_flashaddr_t *)err_addr);
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}
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#endif
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int flash_program(void *flash_base, void *ram_base, int len,
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void **err_address)
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{
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return cyg_flash_program((cyg_flashaddr_t)flash_base, ram_base,
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len, (cyg_flashaddr_t *)err_address);
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}
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int flash_read(void *flash_base, void *ram_base, int len, void **err_address)
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{
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return cyg_flash_read((cyg_flashaddr_t)flash_base, ram_base,
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len, (cyg_flashaddr_t *)err_address);
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}
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char *flash_errmsg(int err)
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{
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return (char *)cyg_flash_errmsg(err);
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}
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// EOF legacy_api.c
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