con_apbuart_init.c
2.24 KB
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/*
* Copyright (c) 2017, Cobham Gaisler AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdint.h>
#include <stdlib.h>
#include <bcc/bsp.h>
#include "bcc/bcc_param.h"
#include "bcc/ambapp.h"
int __bcc_con_init(void)
{
/*
* If the BSP has set a handle value at compile-time then just return.
* The rest of this function will be optimized away.
*/
if (__BSP_CON_HANDLE) {
return BCC_OK;
}
/* Skip scanning if handle was defined at link time. */
if (__bcc_con_handle) {
return BCC_OK;
}
__bcc_con_handle = ambapp_visit(
__bcc_ioarea,
VENDOR_GAISLER,
GAISLER_APBUART,
AMBAPP_VISIT_APBSLAVE,
4,
ambapp_findfirst_fn,
NULL
);
if (__bcc_con_handle) {
return BCC_OK;
} else {
return BCC_NOT_AVAILABLE;
}
}