summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/m68k/genmcf548x/startup
diff options
context:
space:
mode:
authorThomas Doerfler <Thomas.Doerfler@embedded-brains.de>2009-10-16 12:53:50 +0000
committerThomas Doerfler <Thomas.Doerfler@embedded-brains.de>2009-10-16 12:53:50 +0000
commita9d0c6ecd8b8d87eb27fbc2050d5e0bd77e6ad8e (patch)
tree0ec97124fe2d40368085735c188694d8dcba8b60 /c/src/lib/libbsp/m68k/genmcf548x/startup
parent2009-10-16 Ralf Corsépius <ralf.corsepius@rtems.org> (diff)
downloadrtems-a9d0c6ecd8b8d87eb27fbc2050d5e0bd77e6ad8e.tar.bz2
added support for COBRA5475 board
Diffstat (limited to 'c/src/lib/libbsp/m68k/genmcf548x/startup')
-rw-r--r--c/src/lib/libbsp/m68k/genmcf548x/startup/init548x.c11
-rw-r--r--c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds1
-rw-r--r--c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.COBRA5475230
-rw-r--r--c/src/lib/libbsp/m68k/genmcf548x/startup/linkcmds.m5484FireEngine.flash1
4 files changed, 239 insertions, 4 deletions
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 <rtems.h>
#include <bsp.h>
+#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;