From e423a5a5fe5cc3553e3097cff37470b2c5212991 Mon Sep 17 00:00:00 2001 From: patacongo Date: Wed, 20 May 2009 20:56:38 +0000 Subject: Get MAC address from USER registers git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1810 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/configs/eagle100/README.txt | 5 ++ nuttx/configs/eagle100/src/Makefile | 2 +- nuttx/configs/eagle100/src/up_ethernet.c | 95 ++++++++++++++++++++++++++++++++ 3 files changed, 101 insertions(+), 1 deletion(-) create mode 100644 nuttx/configs/eagle100/src/up_ethernet.c (limited to 'nuttx/configs/eagle100') diff --git a/nuttx/configs/eagle100/README.txt b/nuttx/configs/eagle100/README.txt index fe72213c7..a3a33aa47 100644 --- a/nuttx/configs/eagle100/README.txt +++ b/nuttx/configs/eagle100/README.txt @@ -166,6 +166,11 @@ Eagle100-specific Configuration Options CONFIG_UARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity CONFIG_UARTn_2STOP - Two stop bits + CONFIG_LM3S_ETHERNET - This must be set (along with CONFIG_NET) + to build the LM3S Ethernet driver + CONFIG_LM3S_BOARDMAC - If the board-specific logic can provide + a MAC address (via lm3s_ethernetmac()), then this should be selected. + Configurations ^^^^^^^^^^^^^^ diff --git a/nuttx/configs/eagle100/src/Makefile b/nuttx/configs/eagle100/src/Makefile index 80f3d2741..e79c84163 100644 --- a/nuttx/configs/eagle100/src/Makefile +++ b/nuttx/configs/eagle100/src/Makefile @@ -39,7 +39,7 @@ CFLAGS += -I$(TOPDIR)/sched ASRCS = AOBJS = $(ASRCS:.S=$(OBJEXT)) -CSRCS = up_boot.c up_leds.c +CSRCS = up_boot.c up_leds.c up_ethernet.c COBJS = $(CSRCS:.c=$(OBJEXT)) SRCS = $(ASRCS) $(CSRCS) diff --git a/nuttx/configs/eagle100/src/up_ethernet.c b/nuttx/configs/eagle100/src/up_ethernet.c new file mode 100644 index 000000000..4dfbeae3f --- /dev/null +++ b/nuttx/configs/eagle100/src/up_ethernet.c @@ -0,0 +1,95 @@ +/************************************************************************************ + * configs/eagle100/src/up_ethernet.c + * arch/arm/src/board/up_ethernet.c + * + * Copyright (C) 2009 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 +#include + +#include +#include + +#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) +{ +struct ether_addr +{ + uint32 user0; + uint32 user1; + + /* Get the current value of the user registers */ + + user0 = getreg32(); + user1 = getreg32(); + DEBUGASSERT(user0 != 0xffffffff && user1 == 0xffffffff); + + /* Re-format that MAC address the way that uIP expects to see it */ + + ethaddr->ether_addr_octet.addr[0] = ((user0 >> 0) & 0xff); + ethaddr->ether_addr_octet.addr[1] = ((user0 >> 8) & 0xff); + ethaddr->ether_addr_octet.addr[2] = ((user0 >> 16) & 0xff); + ethaddr->ether_addr_octet.addr[3] = ((user1 >> 0) & 0xff); + ethaddr->ether_addr_octet.addr[4] = ((user1 >> 8) & 0xff); + ethaddr->ether_addr_octet.addr[5] = ((user1 >> 16) & 0xff); +} +#endif \ No newline at end of file -- cgit v1.2.3