From a9d0c6ecd8b8d87eb27fbc2050d5e0bd77e6ad8e Mon Sep 17 00:00:00 2001 From: Thomas Doerfler Date: Fri, 16 Oct 2009 12:53:50 +0000 Subject: added support for COBRA5475 board --- c/src/lib/libbsp/m68k/genmcf548x/ChangeLog | 9 + c/src/lib/libbsp/m68k/genmcf548x/Makefile.am | 2 +- c/src/lib/libbsp/m68k/genmcf548x/README | 67 +++++- c/src/lib/libbsp/m68k/genmcf548x/configure.ac | 17 +- c/src/lib/libbsp/m68k/genmcf548x/console/console.c | 4 +- .../m68k/genmcf548x/make/custom/COBRA5475.cfg | 14 ++ c/src/lib/libbsp/m68k/genmcf548x/preinstall.am | 8 + c/src/lib/libbsp/m68k/genmcf548x/start/start.S | 3 +- .../lib/libbsp/m68k/genmcf548x/startup/init548x.c | 11 +- c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds | 1 - .../m68k/genmcf548x/startup/linkcmds.COBRA5475 | 230 +++++++++++++++++++++ .../startup/linkcmds.m5484FireEngine.flash | 1 - 12 files changed, 348 insertions(+), 19 deletions(-) create mode 100644 c/src/lib/libbsp/m68k/genmcf548x/make/custom/COBRA5475.cfg create mode 100644 c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.COBRA5475 diff --git a/c/src/lib/libbsp/m68k/genmcf548x/ChangeLog b/c/src/lib/libbsp/m68k/genmcf548x/ChangeLog index 63e488a0e3..fb20d64cb1 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/ChangeLog +++ b/c/src/lib/libbsp/m68k/genmcf548x/ChangeLog @@ -1,3 +1,12 @@ +2009-10-16 Thomas Doerfler + + * Makefile.am, README, configure.ac, + * console/console.c, start/start.S startup/init548x.c, + * startup/linkcmds, startup/linkcmds.m5484FireEngine.flash, + * make/custom/COBRA5475.cfg, startup/linkcmds.COBRA5475: + + Added support for COBRA5475 board + 2009-10-15 Thomas Doerfler * network/network.c: add PHY control support diff --git a/c/src/lib/libbsp/m68k/genmcf548x/Makefile.am b/c/src/lib/libbsp/m68k/genmcf548x/Makefile.am index 7b5b83d6e6..37be86268e 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/Makefile.am +++ b/c/src/lib/libbsp/m68k/genmcf548x/Makefile.am @@ -24,7 +24,7 @@ noinst_LIBRARIES = libbspstart.a libbspstart_a_SOURCES = start/start.S project_lib_DATA = start.$(OBJEXT) -dist_project_lib_DATA += startup/linkcmds +dist_project_lib_DATA += startup/linkcmds startup/linkcmds.m5484FireEngine.flash startup/linkcmds.COBRA5475 noinst_LIBRARIES += libbsp.a libbsp_a_SOURCES = diff --git a/c/src/lib/libbsp/m68k/genmcf548x/README b/c/src/lib/libbsp/m68k/genmcf548x/README index 0d4fce064f..1bb4d3def5 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/README +++ b/c/src/lib/libbsp/m68k/genmcf548x/README @@ -45,7 +45,12 @@ Description: Generic mcf548x BSP -============ + +The genmcf548x supports several boards based on the Freescale MCF547x/8x +ColdFire microcontrollers + +Supported Hardware: mcf5484FireEngine +============================= CPU: MCF548x, 200MHz XLB: 100 MHz, which is the main clock for all onchip peripherals RAM: 64M (m5484FireEngine) @@ -53,10 +58,19 @@ Boot-Flash: 2M (m5484FireEngine) Code-Flash: 16M (m5484FireEngine) Core-SRAM: 8K Core-SysRAM: 32K +Boot-Monitor:None + +Supported Hardware: COBRA5475 +============================= +CPU: MCF5475, 266MHz +XLB: 132 MHz, which is the main clock for all onchip peripherals +RAM: 128M +Boot-Flash: 32M +Core-SRAM: 8K +Core-SysRAM: 32K +Boot-Monitor:DBug -The genmcf548x supports the Fresscale m5484FireEngine EVB. - ACKNOWLEDGEMENTS: ================= This BSP is based on the @@ -74,9 +88,9 @@ and the work of BSP INFO: ========= BSP NAME: genmcf548x -BOARD: m5484FireEngine (freescale), +BOARD: various MCF547x/8x based boards CPU FAMILY: ColdFire 548x -CPU: MCF5484 +CPU: MCF5475/MCF5484 FPU: MCF548x FPU, context switch supported by RTEMS multitasking EMAC: MCF548x EMAC context switch supported by RTEMS multitasking (handeld together with FPU context) @@ -85,7 +99,7 @@ PERIPHERALS TIMERS: 2 slice timers, 4 general purpose timers (SLT0 is used for RTEMS clock, SLT1 is used for diagnostic pupose) RESOLUTION: System tick 10 millieconds (via SLT0) SERIAL PORTS: Internal PSC 0-3 -NETWORKING: Internal 10/100MHz FEC (not supported yet) +NETWORKING: Internal 10/100MHz FEC on two channels DRIVER INFORMATION ================== @@ -104,9 +118,9 @@ STOP BITS: 1 MODES: Interrupt driven (polled mode alternatively) - Memory map as set up by BSP initialization +---------------------------------------------------------------------- -m5484FireEngine: + Memory map of m5484FireEngine as set up by BSP initialization: +--------------------------------------------------+ 0000 0000 | 64 MByte SDRAM (external) | 03FF FFFF @@ -148,6 +162,41 @@ FF80 0000 | External 8 MByte Flash memory | FF9F FFFF | | FFFF FFFF +--------------------------------------------------+ + +---------------------------------------------------------------------- + + Memory map for COBRA5475 as set up by DBug: + + +--------------------------------------------------+ +F000 0000 | 128 MByte SDRAM (external) | + . . + . (first 256KByte reserved for DBug) . + . . F03F FFFF +F040 0000 | | + . . + . . + . . + | | F7FF FFFF + +--------------------------------------------------+ +FC00 0000 | 32M code flash (external) | + . . + . . + . . + | | FDFF FFFF + +--------------------------------------------------+ +FE00 0000 | internal per. registers via MBAR | + . . + . . + . . + | | FE03 FFFF + +--------------------------------------------------+ +FF00 0000 | 8K core SRAM (internal) | + . . + . . + . . + | | FF00 1FFF + +--------------------------------------------------+ + ============================================================================ Interrupt map @@ -167,7 +216,7 @@ FF80 0000 | External 8 MByte Flash memory | FF9F FFFF +-----+--------+--------+--------+--------+--------+--------+--------+--------+ | 3 | PSC 0 | PSC 1 | PSC 2 | PSC 3 | | | | | +-----+--------+--------+--------+--------+--------+--------+--------+--------+ -| 2 | | | | | | | | | +| 2 | | | | | FEC0/1 | MCDMA | | | +-----+--------+--------+--------+--------+--------+--------+--------+--------+ | 1 | | | | | | | | | +-----+--------+--------+--------+--------+--------+--------+--------+--------+ diff --git a/c/src/lib/libbsp/m68k/genmcf548x/configure.ac b/c/src/lib/libbsp/m68k/genmcf548x/configure.ac index 67e48bb0a5..cf2fa8d8ff 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/configure.ac +++ b/c/src/lib/libbsp/m68k/genmcf548x/configure.ac @@ -19,15 +19,30 @@ RTEMS_CHECK_NETWORKING AM_CONDITIONAL(HAS_NETWORKING,test "$HAS_NETWORKING" = "yes") +RTEMS_BSPOPTS_SET([BSP_CPU_CLOCK_SPEED],[COBRA5475],[132000000]) RTEMS_BSPOPTS_SET([BSP_CPU_CLOCK_SPEED],[m5484FireEngine],[100000000]) RTEMS_BSPOPTS_SET([BSP_CPU_CLOCK_SPEED],[*],[100000000]) RTEMS_BSPOPTS_HELP([BSP_CPU_CLOCK_SPEED], -[Use a clock speed of 100000000 for the m5484FireEngine board]) +[The bus clock to be used inside the mcf54xx]) RTEMS_BSPOPTS_SET([M5484FIREENGINE],[m5484FireEngine],[1]) RTEMS_BSPOPTS_HELP([M5484FIREENGINE], [If defined, use custom settings for the m5484FireEngine BSP.]) +RTEMS_BSPOPTS_SET([BSP_CONSOLE_BAUD],[COBRA5475],[19200]) +RTEMS_BSPOPTS_SET([BSP_CONSOLE_BAUD],[*],[9600]) +RTEMS_BSPOPTS_HELP([BSP_CONSOLE_BAUD],[initial baudrate for UARTs]) + +RTEMS_BSPOPTS_SET([HAS_DBUG],[COBRA5475],[1]) +RTEMS_BSPOPTS_SET([HAS_DBUG],[*],[0]) +RTEMS_BSPOPTS_HELP([HAS_DBUG], +[If defined, we will not boot from RESET, but from Freescale DBug monitor.]) + +RTEMS_BSPOPTS_SET([HAS_LOW_LEVEL_INIT],[m5484FireEngine],[1]) +RTEMS_BSPOPTS_SET([HAS_LOW_LEVEL_INIT],[*],[0]) +RTEMS_BSPOPTS_HELP([HAS_DBUG], +[If defined, we will do all the low level init of the chip (like bus/memory...).]) + RTEMS_BSP_CLEANUP_OPTIONS(0, 1) # Explicitly list all Makefiles here diff --git a/c/src/lib/libbsp/m68k/genmcf548x/console/console.c b/c/src/lib/libbsp/m68k/genmcf548x/console/console.c index 6c12079f0b..43b1a96a9f 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/console/console.c +++ b/c/src/lib/libbsp/m68k/genmcf548x/console/console.c @@ -111,7 +111,7 @@ struct IntUartInfoStruct IntUartInfo[MAX_UART_INFO]; static int GetBaud( int baudHandle ) { - int baud = 9600; + int baud = BSP_CONSOLE_BAUD; switch(baudHandle) { case B0: @@ -291,7 +291,7 @@ static int IntUartSetAttributes(int minor, const struct termios *t) { /* set default index values */ - int baud = (int)9600; + int baud = (int)BSP_CONSOLE_BAUD; int databits = (int)MCF548X_PSC_MR_BC_8; int parity = (int)MCF548X_PSC_MR_PM_NONE; int stopbits = (int)MCF548X_PSC_MR_SB_STOP_BITS_1; diff --git a/c/src/lib/libbsp/m68k/genmcf548x/make/custom/COBRA5475.cfg b/c/src/lib/libbsp/m68k/genmcf548x/make/custom/COBRA5475.cfg new file mode 100644 index 0000000000..c9ff06afc3 --- /dev/null +++ b/c/src/lib/libbsp/m68k/genmcf548x/make/custom/COBRA5475.cfg @@ -0,0 +1,14 @@ +# +# Config file for COBRA5475 module +# +# $Id$ +# + +# +# All genmcf548x configurations share the same base file, only a few +# parameters differ. +# + +RTEMS_LINKCMDS=linkcmds.COBRA5475 + +include $(RTEMS_ROOT)/make/custom/genmcf548x.cfg diff --git a/c/src/lib/libbsp/m68k/genmcf548x/preinstall.am b/c/src/lib/libbsp/m68k/genmcf548x/preinstall.am index 73323b55bf..810418081f 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/preinstall.am +++ b/c/src/lib/libbsp/m68k/genmcf548x/preinstall.am @@ -65,3 +65,11 @@ $(PROJECT_LIB)/linkcmds: startup/linkcmds $(PROJECT_LIB)/$(dirstamp) $(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds +$(PROJECT_LIB)/linkcmds.m5484FireEngine.flash: startup/linkcmds.m5484FireEngine.flash $(PROJECT_LIB)/$(dirstamp) + $(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.m5484FireEngine.flash +PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.m5484FireEngine.flash + +$(PROJECT_LIB)/linkcmds.COBRA5475: startup/linkcmds.COBRA5475 $(PROJECT_LIB)/$(dirstamp) + $(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds.COBRA5475 +PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds.COBRA5475 + diff --git a/c/src/lib/libbsp/m68k/genmcf548x/start/start.S b/c/src/lib/libbsp/m68k/genmcf548x/start/start.S index 6b7e3b10cd..190139084f 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/start/start.S +++ b/c/src/lib/libbsp/m68k/genmcf548x/start/start.S @@ -58,7 +58,6 @@ .extern mcf548x_init .extern boot_card .extern _SpInit -.extern _InitPc /*===============================================================*\ | Global symbols | @@ -77,7 +76,7 @@ PUBLIC (InterruptVectorTable) SYM(InterruptVectorTable): INITSP: .long _SpInit /* Initial SP */ -INITPC: .long _InitPc /* Initial PC */ +INITPC: .long start /* Initial PC */ vector002: .long asm_default_interrupt /* Access Error */ vector003: .long asm_default_interrupt /* Address Error */ vector004: .long asm_default_interrupt /* Illegal Instruction */ diff --git a/c/src/lib/libbsp/m68k/genmcf548x/startup/init548x.c b/c/src/lib/libbsp/m68k/genmcf548x/startup/init548x.c index 342cd3e9f8..7c4a83605a 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/startup/init548x.c +++ b/c/src/lib/libbsp/m68k/genmcf548x/startup/init548x.c @@ -46,6 +46,7 @@ #include #include +#if defined(HAS_LOW_LEVEL_INIT) #define SYSTEM_PERIOD 10 /* system bus period in ns */ /* SDRAM Timing Parameters */ @@ -55,6 +56,7 @@ #define SDRAM_TRP 20 /* in ns */ #define SDRAM_TRFC 75 /* in ns */ #define SDRAM_TREFI 7800 /* in ns */ +#endif /* defined(HAS_LOW_LEVEL_INIT) */ extern uint8_t _DataRom[]; extern uint8_t _DataRam[]; @@ -78,8 +80,7 @@ void mcf548x_init(void) uint32_t n; uint8_t *dp, *sp; - /* set XLB arbiter timeouts */ -#ifdef M5484FIREENGINE +#if defined(HAS_LOW_LEVEL_INIT) /* set XLB arbiter timeouts */ MCF548X_XLB_ADRTO = 0x00000100; MCF548X_XLB_DATTO = 0x00000100; @@ -87,8 +88,10 @@ void mcf548x_init(void) #endif gpio_init(); +#if defined(HAS_LOW_LEVEL_INIT) fbcs_init(); sdramc_init(); +#endif /* defined(HAS_LOW_LEVEL_INIT) */ /* Copy the vector table to RAM */ if (_VectorRam != InterruptVectorTable) @@ -122,6 +125,7 @@ void mcf548x_init(void) } /********************************************************************/ +#if defined(HAS_LOW_LEVEL_INIT) void fbcs_init (void) { @@ -184,8 +188,10 @@ if(!(MCF548X_FBCS_CSMR1 & MCF548X_FBCS_CSMR_V)) #endif } +#endif defined(HAS_LOW_LEVEL_INIT) /********************************************************************/ +#if defined(HAS_LOW_LEVEL_INIT) void sdramc_init (void) { @@ -287,6 +293,7 @@ sdramc_init (void) } } +#endif /* defined(HAS_LOW_LEVEL_INIT) */ /********************************************************************/ void diff --git a/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds b/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds index 0fe1616550..a2e92a8cb0 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds +++ b/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds @@ -70,7 +70,6 @@ _DataEnd = DEFINED(_DataEnd) ? _DataEnd : _data_dest_end; _BssStart = DEFINED(_BssStart) ? _BssStart : _clear_start; _BssEnd = DEFINED(_BssEnd) ? _BssEnd : _clear_end; _SpInit = DEFINED(_SpInit) ? _SpInit : _EndInitStackSpace; -_InitPc = DEFINED(_InitPc) ? _InitPc : _SdramBase + 0x400; _InitStackSize = DEFINED(StackSize) ? StackSize : 0x800; /* 2 kB */ _TopRamReserved = DEFINED(_TopRamReserved) ? _TopRamReserved : 0; diff --git a/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.COBRA5475 b/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.COBRA5475 new file mode 100644 index 0000000000..468c41abb4 --- /dev/null +++ b/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.COBRA5475 @@ -0,0 +1,230 @@ +/*===============================================================*\ +| Project: RTEMS generic mcf548x BSP | ++-----------------------------------------------------------------+ +| File: linkcmds.COBRA5475 | ++-----------------------------------------------------------------+ +| The file contains the linker directives for the generic MCF548x | +| BSP to be used with an COBRA5475 board to load and execute | +| code in the RAM. | ++-----------------------------------------------------------------+ +| Copyright (c) 2007 | +| Embedded Brains GmbH | +| Obere Lagerstr. 30 | +| D-82178 Puchheim | +| Germany | +| rtems@embedded-brains.de | ++-----------------------------------------------------------------+ +| | +| Parts of the code has been derived from the "dBUG source code" | +| package Freescale is providing for M548X EVBs. The usage of | +| the modified or unmodified code and it's integration into the | +| generic mcf548x BSP has been done according to the Freescale | +| license terms. | +| | +| The Freescale license terms can be reviewed in the file | +| | +| Freescale_license.txt | +| | ++-----------------------------------------------------------------+ +| | +| The generic mcf548x BSP has been developed on the basic | +| structures and modules of the av5282 BSP. | +| | ++-----------------------------------------------------------------+ +| | +| The license and distribution terms for this file may be | +| found in the file LICENSE in this distribution or at | +| | +| http://www.rtems.com/license/LICENSE. | +| | ++-----------------------------------------------------------------+ +| | +| date history ID | +| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | +| 12.11.07 1.0 ras | +| 15.10.09 1.1, adapted to COBRA5475 doe | +| | +\*===============================================================*/ + +/* + * Location and size of on-chip devices + */ +_SdramBase = DEFINED(_SdramBase) ? _SdramBase : 0xf0000000; +_SdramSize = DEFINED(_SdramSize) ? _SdramSize : (128 * 1024*1024); +_SysSramBase = DEFINED(_SysSramBase) ? _SysSramBase : __MBAR + 0x00010000; +_SysSramSize = DEFINED(_SysSramSize) ? _SysSramSize : (32 * 1024); +_McdapiBase = DEFINED(_McdapiBase) ? _McdapiBase : _SysSramBase; +_McdapiSize = DEFINED(_McdapiSize) ? _McdapiSize : (12 * 1024); +_CoreSramBase0 = DEFINED(_CoreSramBase0) ? _CoreSramBase0 : 0xFF000000; +_CoreSramBase1 = DEFINED(_CoreSramBase1) ? _CoreSramBase1 : 0xFF001000; +_CoreSramSize0 = DEFINED(_CoreSramSize0) ? _CoreSramSize0 : (4 * 1024); +_CoreSramSize1 = DEFINED(_CoreSramSize1) ? _CoreSramSize1 : (4 * 1024); +_BootFlashBase = DEFINED(_BootFlashBase) ? _BootFlashBase : 0xFC000000; +_BootFlashSize = DEFINED(_BootFlashSize) ? _BootFlashSize : (32 * 1024*1024); + +_VectorRam = DEFINED(_VectorRam) ? _VectorRam : _SdramBase; +_DataRam = DEFINED(_DataRam) ? _DataRam : _data_dest_start; +_DataRom = DEFINED(_DataRom) ? _DataRom : _data_src_start; +_DataEnd = DEFINED(_DataEnd) ? _DataEnd : _data_dest_end; +_BssStart = DEFINED(_BssStart) ? _BssStart : _clear_start; +_BssEnd = DEFINED(_BssEnd) ? _BssEnd : _clear_end; +_SpInit = DEFINED(_SpInit) ? _SpInit : _EndInitStackSpace; + +_InitStackSize = DEFINED(StackSize) ? StackSize : 0x800; /* 2 kB */ +_TopRamReserved = DEFINED(_TopRamReserved) ? _TopRamReserved : 0; + +RamBase = DEFINED(_SdramBase) ? _SdramBase : _SdramBase; +RamSize = DEFINED(_SdramSize) ? _SdramSize : _SdramSize; +HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0; +_VBR = DEFINED(_VBR) ? _VBR : RamBase; + +__MBAR = DEFINED(__MBAR) ? __MBAR : 0xFE000000; + +ENTRY(start) +MEMORY +{ + sdram : ORIGIN = 0xF0040000, LENGTH = 128M - 256K + boot_flash : ORIGIN = 0xFC000000, LENGTH = 32M +} + +SECTIONS +{ + + _header_offset = 0; + + /* + * Text, data and bss segments .vectors + */ + .vectors : { + *(.vectors*) + } >sdram + .text : { + + *(.text*) + *(.ram_code) + + /* + * C++ constructors/destructors + */ + *(.gnu.linkonce.t.*) + + /* + * Initialization and finalization code. + * + * Various files can provide initialization and finalization + * functions. crtbegin.o and crtend.o are two instances. The + * body of these functions are in .init and .fini sections. We + * accumulate the bodies here, and prepend function prologues + * from crti.o and function epilogues from crtn.o. crti.o must + * be linked first; crtn.o must be linked last. Because these + * are wildcards, it doesn't matter if the user does not + * actually link against crti.o and crtn.o; the linker won't + * look for a file to match a wildcard. The wildcard also + * means that it doesn't matter which directory crti.o and + * crtn.o are in. + */ + PROVIDE (_init = .); + *crti.o(.init) + *(.init) + *crtn.o(.init) + PROVIDE (_fini = .); + *crti.o(.fini) + *(.fini) + *crtn.o(.fini) + + /* + * Special FreeBSD sysctl sections. + */ + . = ALIGN (16); + __start_set_sysctl_set = .; + *(set_sysctl_*); + __stop_set_sysctl_set = ABSOLUTE(.); + *(set_domain_*); + *(set_pseudo_*); + + + /* + * C++ constructors/destructors + * + * gcc uses crtbegin.o to find the start of the constructors + * and destructors so we make sure it is first. Because this + * is a wildcard, it doesn't matter if the user does not + * actually link against crtbegin.o; the linker won't look for + * a file to match a wildcard. The wildcard also means that + * it doesn't matter which directory crtbegin.o is in. The + * constructor and destructor list are terminated in + * crtend.o. The same comments apply to it. + */ + . = ALIGN (16); + *crtbegin.o(.ctors) + *(.ctors) + *crtend.o(.ctors) + *crtbegin.o(.dtors) + *(.dtors) + *crtend.o(.dtors) + + /* + * Exception frame info + */ + . = ALIGN (16); + *(.eh_frame) + + /* + * Read-only data + */ + . = ALIGN (16); + _rodata_start = . ; + *(.rodata*) + *(.gnu.linkonce.r*) + + . = ALIGN (16); + + *(.console_gdb_xfer) + *(.bootstrap_data) + . = ALIGN(16); + _estuff = .; + PROVIDE (_etext = .); + } >sdram + + .data : { + /*.data : {*/ + PROVIDE( _data_dest_start = . ); + PROVIDE( _copy_start = .); + *(.data*) + *(.gnu.linkonce.d*) + *(.gcc_except_table*) + *(.jcr) + . = ALIGN (16); + PROVIDE (_edata = .); + PROVIDE (_copy_end = .); + PROVIDE (_data_dest_end = . ); + } >sdram + + _data_src_start = _etext; /*LOADADDR(.data);*/ + _data_src_end = _data_src_start + SIZEOF(.data); + + .bss : { + PROVIDE (_clear_start = .); + *(.bss*) + *(COMMON) + . = ALIGN (16); + PROVIDE (end = .); + PROVIDE (_clear_end = .); + . = ALIGN (4); + PROVIDE (_StartInitStackSpace = .); + /*. = _StartInitStackSpace + _InitStackSize;*/ + . += _InitStackSize; + PROVIDE (_EndInitStackSpace = .); + PROVIDE (WorkAreaBase = .); + } >sdram + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + +PROVIDE (end_of_all = .); +} diff --git a/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine.flash b/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine.flash index a0ee240c75..d08470730f 100644 --- a/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine.flash +++ b/c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine.flash @@ -70,7 +70,6 @@ _DataEnd = DEFINED(_DataEnd) ? _DataEnd : _data_dest_end; _BssStart = DEFINED(_BssStart) ? _BssStart : _clear_start; _BssEnd = DEFINED(_BssEnd) ? _BssEnd : _clear_end; _SpInit = DEFINED(_SpInit) ? _SpInit : _EndInitStackSpace; -_InitPc = DEFINED(_InitPc) ? _InitPc : _SdramBase + 0x400; _InitStackSize = DEFINED(StackSize) ? StackSize : 0x2000; /* 8 kB */ _TopRamReserved= DEFINED(_TopRamReserved) ? _TopRamReserved : 0; -- cgit v1.2.3