99 lines
4.1 KiB
C
99 lines
4.1 KiB
C
|
/************************************************************************************
|
||
|
|
* configs/lm3s8962-ek/src/up_ethernet.c
|
||
|
|
* arch/arm/src/board/up_ethernet.c
|
||
|
|
*
|
||
|
|
* Copyright (C) 2010 Gregory Nutt. All rights reserved.
|
||
|
|
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
||
|
|
* used to endorse or promote products derived from this software
|
||
|
|
* without specific prior written permission.
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
************************************************************************************/
|
||
|
|
|
||
|
|
/************************************************************************************
|
||
|
|
* Included Files
|
||
|
|
************************************************************************************/
|
||
|
|
|
||
|
|
#include <nuttx/config.h>
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <debug.h>
|
||
|
|
#include <assert.h>
|
||
|
|
|
||
|
|
#include <arch/board/board.h>
|
||
|
|
#include <net/ethernet.h>
|
||
|
|
|
||
|
|
#include "up_arch.h"
|
||
|
|
#include "chip.h"
|
||
|
|
|
||
|
|
/************************************************************************************
|
||
|
|
* Definitions
|
||
|
|
************************************************************************************/
|
||
|
|
|
||
|
|
/************************************************************************************
|
||
|
|
* Private Functions
|
||
|
|
************************************************************************************/
|
||
|
|
|
||
|
|
/************************************************************************************
|
||
|
|
* Public Functions
|
||
|
|
************************************************************************************/
|
||
|
|
|
||
|
|
/************************************************************************************
|
||
|
|
* Name: lm3s_ethernetmac
|
||
|
|
*
|
||
|
|
* Description:
|
||
|
|
* For the Ethernet Eval Kits, the MAC address will be stored in the non-volatile
|
||
|
|
* USER0 and USER1 registers. If CONFIG_LM3S_BOARDMAC is defined, this function
|
||
|
|
* will obtain the MAC address from these registers.
|
||
|
|
*
|
||
|
|
************************************************************************************/
|
||
|
|
|
||
|
|
#ifdef CONFIG_LM3S_BOARDMAC
|
||
|
|
void lm3s_ethernetmac(struct ether_addr *ethaddr)
|
||
|
|
{
|
||
|
|
uint32_t user0;
|
||
|
|
uint32_t user1;
|
||
|
|
|
||
|
|
/* Get the current value of the user registers */
|
||
|
|
|
||
|
|
user0 = getreg32(LM3S_FLASH_USERREG0);
|
||
|
|
user1 = getreg32(LM3S_FLASH_USERREG1);
|
||
|
|
|
||
|
|
nlldbg("user: %06x:%06x\n", user1 & 0x00ffffff, user0 & 0x00ffffff);
|
||
|
|
DEBUGASSERT(user0 != 0xffffffff && user1 != 0xffffffff);
|
||
|
|
|
||
|
|
/* Re-format that MAC address the way that uIP expects to see it */
|
||
|
|
|
||
|
|
ethaddr->ether_addr_octet[0] = ((user0 >> 0) & 0xff);
|
||
|
|
ethaddr->ether_addr_octet[1] = ((user0 >> 8) & 0xff);
|
||
|
|
ethaddr->ether_addr_octet[2] = ((user0 >> 16) & 0xff);
|
||
|
|
ethaddr->ether_addr_octet[3] = ((user1 >> 0) & 0xff);
|
||
|
|
ethaddr->ether_addr_octet[4] = ((user1 >> 8) & 0xff);
|
||
|
|
ethaddr->ether_addr_octet[5] = ((user1 >> 16) & 0xff);
|
||
|
|
}
|
||
|
|
#endif
|