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98 lines
4.1 KiB
98 lines
4.1 KiB
/************************************************************************************ |
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* configs/eagle100/src/up_ethernet.c |
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* arch/arm/src/board/up_ethernet.c |
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* |
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* Copyright (C) 2009 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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************************************************************************************/ |
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/************************************************************************************ |
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* Included Files |
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************************************************************************************/ |
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#include <nuttx/config.h> |
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#include <stdint.h> |
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#include <debug.h> |
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#include <assert.h> |
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#include <arch/board/board.h> |
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#include <net/ethernet.h> |
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#include "up_arch.h" |
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#include "chip.h" |
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/************************************************************************************ |
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* Definitions |
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************************************************************************************/ |
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/************************************************************************************ |
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* Private Functions |
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************************************************************************************/ |
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/************************************************************************************ |
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* Public Functions |
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************************************************************************************/ |
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/************************************************************************************ |
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* Name: lm3s_ethernetmac |
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* |
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* Description: |
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* For the Ethernet Eval Kits, the MAC address will be stored in the non-volatile |
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* USER0 and USER1 registers. If CONFIG_LM3S_BOARDMAC is defined, this function |
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* will obtain the MAC address from these registers. |
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* |
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************************************************************************************/ |
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#ifdef CONFIG_LM3S_BOARDMAC |
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void lm3s_ethernetmac(struct ether_addr *ethaddr) |
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{ |
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uint32_t user0; |
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uint32_t user1; |
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/* Get the current value of the user registers */ |
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user0 = getreg32(LM3S_FLASH_USERREG0); |
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user1 = getreg32(LM3S_FLASH_USERREG1); |
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nlldbg("user: %06x:%06x\n", user1 & 0x00ffffff, user0 & 0x00ffffff); |
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DEBUGASSERT(user0 != 0xffffffff && user1 != 0xffffffff); |
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/* Re-format that MAC address the way that uIP expects to see it */ |
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ethaddr->ether_addr_octet[0] = ((user0 >> 0) & 0xff); |
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ethaddr->ether_addr_octet[1] = ((user0 >> 8) & 0xff); |
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ethaddr->ether_addr_octet[2] = ((user0 >> 16) & 0xff); |
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ethaddr->ether_addr_octet[3] = ((user1 >> 0) & 0xff); |
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ethaddr->ether_addr_octet[4] = ((user1 >> 8) & 0xff); |
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ethaddr->ether_addr_octet[5] = ((user1 >> 16) & 0xff); |
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} |
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#endif
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