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https://github.com/apache/nuttx.git
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LM3S ethernet driver development
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1811 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
@@ -168,6 +168,7 @@ Eagle100-specific Configuration Options
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CONFIG_LM3S_ETHERNET - This must be set (along with CONFIG_NET)
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to build the LM3S Ethernet driver
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CONFIG_LM3S_ETHLEDS - Enable to use Ethernet LEDs on the board.
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CONFIG_LM3S_BOARDMAC - If the board-specific logic can provide
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a MAC address (via lm3s_ethernetmac()), then this should be selected.
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@@ -138,6 +138,7 @@ extern void lm3s_boardinitialize(void);
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************************************************************************************/
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#ifdef CONFIG_LM3S_BOARDMAC
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struct ether_addr;
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extern void lm3s_ethernetmac(struct ether_addr *ethaddr);
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#endif
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@@ -0,0 +1,120 @@
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############################################################################
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# configs/eagle100/nettest/Make.defs
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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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include ${TOPDIR}/.config
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CROSSDEV = arm-elf-
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CC = $(CROSSDEV)gcc
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CXX = $(CROSSDEV)g++
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CPP = $(CROSSDEV)gcc -E
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LD = $(CROSSDEV)ld
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AR = $(CROSSDEV)ar rcs
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NM = $(CROSSDEV)nm
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OBJCOPY = $(CROSSDEV)objcopy
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OBJDUMP = $(CROSSDEV)objdump
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ARCHCCVERSION = ${shell $(CC) -v 2>&1 | sed -n '/^gcc version/p' | sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q'}
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ARCHCCMAJOR = ${shell echo $(ARCHCCVERSION) | cut -d'.' -f1}
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ARCHCFLAGS = -fno-builtin
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ARCHCXXFLAGS = -fno-builtin -fno-exceptions
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ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow
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ARCHWARNINGSXX = -Wall -Wshadow
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ifeq ("${CONFIG_DEBUG}","y")
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ARCHOPTIMIZATION = -g
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else
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ARCHOPTIMIZATION = -Os -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
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endif
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ARCHCPUFLAGS = -mtune=cortex-m3 -march=armv7-m -mfloat-abi=soft
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ARCHDEFINES =
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ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
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ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
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ARCHPICFLAGS = -fpic
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ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/nettest/ld.script
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CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
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$(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
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CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
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$(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
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CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES)
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AFLAGS = $(CFLAGS) -D__ASSEMBLY__
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OBJEXT = .o
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LIBEXT = .a
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EXEEXT =
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ifeq ("${CONFIG_DEBUG}","y")
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LDFLAGS += -g
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endif
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define PREPROCESS
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@echo "CPP: $1->$2"
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@$(CPP) $(CPPFLAGS) $1 -o $2
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endef
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define COMPILE
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@echo "CC: $1"
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@$(CC) -c $(CFLAGS) $1 -o $2
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endef
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define COMPILEXX
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@echo "CXX: $1"
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@$(CXX) -c $(CXXFLAGS) $1 -o $2
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endef
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define ASSEMBLE
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@echo "AS: $1"
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@$(CC) -c $(AFLAGS) $1 -o $2
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endef
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define ARCHIVE
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echo "AR: $2"; \
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$(AR) $1 $2 || { echo "$(AR) $1 $2 FAILED!" ; exit 1 ; }
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endef
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define CLEAN
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@rm -f *.o *.a
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endef
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MKDEP = $(TOPDIR)/tools/mkdeps.sh
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HOSTCC = gcc
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HOSTINCLUDES = -I.
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HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -g -pipe
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HOSTLDFLAGS =
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,97 @@
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/****************************************************************************
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* configs/eagle100/nettest/ld.script
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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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/* The LM3S6918 has 256Kb of FLASH beginning at address 0x0000:0000. However,
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* if the the Eagle100 Ethernet bootloader is used, then the entry point must
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* be at the following offset in FLASH (and the size of the FLASH must be
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* reduced to 248Kb):
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*/
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MEMORY
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{
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/* flash (rx) : ORIGIN = 0x00000000, LENGTH = 256K */
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flash (rx) : ORIGIN = 0x00002000, LENGTH = 248K
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sram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
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}
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OUTPUT_ARCH(arm)
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ENTRY(_stext)
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SECTIONS
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{
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.text : {
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_stext = ABSOLUTE(.);
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*(.vectors)
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*(.text)
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*(.fixup)
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*(.gnu.warning)
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*(.rodata)
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*(.rodata.str1.1)
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*(.glue_7)
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*(.glue_7t)
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*(.got) /* Global offset table */
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_etext = ABSOLUTE(.);
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} > flash
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_eronly = ABSOLUTE(.); /* See below */
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/* The LM3S6918 has 64Kb of SRAM beginning at the following address */
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.data : {
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_sdata = ABSOLUTE(.);
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*(.data)
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CONSTRUCTORS
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_edata = ABSOLUTE(.);
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} > sram AT > flash
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.bss : { /* BSS */
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_sbss = ABSOLUTE(.);
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*(.bss)
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*(COMMON)
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_ebss = ABSOLUTE(.);
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} > sram
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_info 0 : { *(.debug_info) }
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.debug_line 0 : { *(.debug_line) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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.debug_aranges 0 : { *(.debug_aranges) }
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}
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Executable
+46
@@ -0,0 +1,46 @@
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#!/bin/bash
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# configs/eagle100/nettest/setenv.sh
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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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if [ "$(basename $0)" = "setenv.sh" ] ; then
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echo "You must source this script, not run it!" 1>&2
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exit 1
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fi
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if [ -z ${PATH_ORIG} ]; then export PATH_ORIG=${PATH}; fi
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WD=`pwd`
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export BUILDROOT_BIN=${WD}/../buildroot/build_arm_nofpu/staging_dir/bin
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export PATH=${BUILDROOT_BIN}:/sbin:/usr/sbin:${PATH_ORIG}
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echo "PATH : ${PATH}"
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@@ -41,6 +41,8 @@
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#include <nuttx/config.h>
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#include <sys/types.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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@@ -71,25 +73,23 @@
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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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struct ether_addr
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{
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uint32 user0;
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uint32 user1;
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/* Get the current value of the user registers */
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user0 = getreg32();
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user1 = getreg32();
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user0 = getreg32(LM3S_FLASH_USERREG0);
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user1 = getreg32(LM3S_FLASH_USERREG1);
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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.addr[0] = ((user0 >> 0) & 0xff);
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ethaddr->ether_addr_octet.addr[1] = ((user0 >> 8) & 0xff);
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ethaddr->ether_addr_octet.addr[2] = ((user0 >> 16) & 0xff);
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ethaddr->ether_addr_octet.addr[3] = ((user1 >> 0) & 0xff);
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ethaddr->ether_addr_octet.addr[4] = ((user1 >> 8) & 0xff);
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ethaddr->ether_addr_octet.addr[5] = ((user1 >> 16) & 0xff);
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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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#endif
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