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2009-06-04 Xi Yang <hiyangxi@gmail.com>

Browse Source 
* .cvsignore, ChangeLog, Makefile.am, README, bsp_specs, configure.ac,
	preinstall.am, console/uarts.c, include/bsp.h, include/bspopts.h.in,
	include/tm27.h, start/start.S, startup/bspstart.c, startup/linkcmds,
	startup/memmap.c: New files.
This commit is contained in:
Joel Sherrill
2009-06-04 16:23:11 +00:00
parent efb0cf6947
commit 6e27be70e1
15 changed files with 787 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
c/src/lib/libbsp/arm/gumstix/.cvsignore Normal file
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Makefile
Makefile.in
aclocal.m4
autom4te.cache
config.cache
config.log
config.status
configure

7
c/src/lib/libbsp/arm/gumstix/ChangeLog Normal file
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2009-06-04 Xi Yang <hiyangxi@gmail.com>
* .cvsignore, ChangeLog, Makefile.am, README, bsp_specs, configure.ac,
preinstall.am, console/uarts.c, include/bsp.h, include/bspopts.h.in,
include/tm27.h, start/start.S, startup/bspstart.c, startup/linkcmds,
startup/memmap.c: New files.

62
c/src/lib/libbsp/arm/gumstix/Makefile.am Executable file
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##
## $Id$
##
ACLOCAL_AMFLAGS = -I ../../../../aclocal
include $(top_srcdir)/../../../../automake/compile.am
include $(top_srcdir)/../../bsp.am
include_bspdir = $(includedir)/bsp
dist_project_lib_DATA = bsp_specs
include_HEADERS = include/bsp.h
include_HEADERS += include/tm27.h
nodist_include_HEADERS = include/bspopts.h
nodist_include_bsp_HEADERS = ../../shared/include/bootcard.h
DISTCLEANFILES = include/bspopts.h
noinst_PROGRAMS =
nodist_include_HEADERS += ../../shared/include/coverhd.h
EXTRA_DIST = start/start.S
start.$(OBJEXT): start/start.S
$(CPPASCOMPILE) -o $@ -c $<
project_lib_DATA = start.$(OBJEXT)
dist_project_lib_DATA += startup/linkcmds
noinst_PROGRAMS += startup.rel
startup_rel_SOURCES = ../../shared/bsplibc.c ../../shared/bsppost.c \
../../shared/bsppredriverhook.c ../../shared/bspgetworkarea.c \
../../shared/bootcard.c ../../shared/sbrk.c \
../../shared/gnatinstallhandler.c ../../shared/bsppretaskinghook.c \
../../shared/bspclean.c ../../shared/bspreset.c \
startup/bspstart.c startup/memmap.c
startup_rel_CPPFLAGS = $(AM_CPPFLAGS)
startup_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
noinst_PROGRAMS += console.rel
console_rel_SOURCES = console/uarts.c ../../shared/console.c
console_rel_CPPFLAGS = $(AM_CPPFLAGS)
console_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
noinst_PROGRAMS += abort.rel
abort_rel_SOURCES = ../shared/abort/abort.c
abort_rel_CPPFLAGS = $(AM_CPPFLAGS)
abort_rel_LDFLAGS = $(RTEMS_RELLDFLAGS)
noinst_LIBRARIES = libbsp.a
libbsp_a_SOURCES =
libbsp_a_LIBADD = startup.rel console.rel abort.rel
libbsp_a_LIBADD += ../../../libcpu/@RTEMS_CPU@/shared/arm920.rel \
../../../libcpu/@RTEMS_CPU@/@RTEMS_CPU_MODEL@/clock.rel \
../../../libcpu/@RTEMS_CPU@/@RTEMS_CPU_MODEL@/timer.rel \
../../../libcpu/@RTEMS_CPU@/@RTEMS_CPU_MODEL@/ffuart.rel \
../../../libcpu/@RTEMS_CPU@/@RTEMS_CPU_MODEL@/irq.rel
include $(srcdir)/preinstall.am
include $(top_srcdir)/../../../../automake/local.am

6
c/src/lib/libbsp/arm/gumstix/README Executable file
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#
# $Id$
#
This is the BSP for GUMSTIX which has a PXA255 CPU.

13
c/src/lib/libbsp/arm/gumstix/bsp_specs Executable file
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%rename endfile old_endfile
%rename startfile old_startfile
%rename link old_link
*startfile:
%{!qrtems: %(old_startfile)} \
%{!nostdlib: %{qrtems: start.o%s crti.o%s crtbegin.o%s}}
*link:
%{!qrtems: %(old_link)} %{qrtems: -Qy -dp -Bstatic -N -e _start}
*endfile:
%{!qrtems: *(old_endfiles)} %{qrtems: crtend.o%s crtn.o%s }

23
c/src/lib/libbsp/arm/gumstix/configure.ac Executable file
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## Process this file with autoconf to produce a configure script.
##
## configure.ac,v 1.5 2003/03/11 09:39:07 ralf Exp
AC_PREREQ(2.60)
AC_INIT([rtems-c-src-lib-libbsp-arm-gumstix],[_RTEMS_VERSION],[rtems-bugs@OARcorp.com])
AC_CONFIG_SRCDIR([bsp_specs])
RTEMS_TOP(../../../../../..)
RTEMS_CANONICAL_TARGET_CPU
AM_INIT_AUTOMAKE([no-define nostdinc foreign 1.10])
RTEMS_BSP_CONFIGURE
RTEMS_PROG_CC_FOR_TARGET([-ansi -fasm])
RTEMS_CANONICALIZE_TOOLS
RTEMS_PROG_CCAS
RTEMS_CHECK_NETWORKING
AM_CONDITIONAL(HAS_NETWORKING,test "$HAS_NETWORKING" = "yes")
# Explicitly list all Makefiles here
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

71
c/src/lib/libbsp/arm/gumstix/console/uarts.c Executable file
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/*
* Console driver for GUMSTIX by Yang Xi <hiyangxi@gmail.com>
*
* This driver uses the shared console driver in
* ...../libbsp/shared/console.c
*
* Copyright (c) 2003 by Cogent Computer Systems
* Written by Jay Monkman <jtm@lopingdog.com>
*
* 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.
*
* $Id$
*/
#include <bsp.h>
#include <rtems/libio.h>
#include <termios.h>
#include <rtems/bspIo.h>
#include <pxa255.h>
#include <libchip/serial.h>
#include <libchip/sersupp.h>
/* How many serial ports? */
#define NUM_DEVS 1
/* These are used by code in console.c */
unsigned long Console_Port_Count = NUM_DEVS;
console_data Console_Port_Data[NUM_DEVS];
/* rtems console uses the following minor number */
rtems_device_minor_number Console_Port_Minor = 0;
extern console_fns ffuart_fns;
/*
* There's one item in array for each UART.
*
* Some of these fields are marked "NOT USED". They are not used
* by console.c, but may be used by drivers in libchip
*
* when we add other types of UARTS we will need to move this
* structure to a generic uart.c file with only this in it
*/
console_tbl Console_Port_Tbl[] = {
{
"/dev/console", /* sDeviceName */
SERIAL_CUSTOM, /* deviceType */
&ffuart_fns, /* pDeviceFns */
NULL, /* deviceProbe */
NULL, /* pDeviceFlow */
0, /* ulMargin - NOT USED */
0, /* ulHysteresis - NOT USED */
NULL, /* pDeviceParams */
FFUART_BASE, /* ulCtrlPort1 - Pointer to DBGU regs */
0, /* ulCtrlPort2 - NOT USED */
0, /* ulDataPort - NOT USED */
NULL, /* getRegister - NOT USED */
NULL, /* setRegister - NOT USED */
NULL, /* getData - NOT USED */
NULL, /* setData - NOT USED */
0, /* ulClock - NOT USED */
0 /* ulIntVector - NOT USED */
}};
console_tbl *BSP_get_uart_from_minor(int minor)
{
return &Console_Port_Tbl[minor];
}

50
c/src/lib/libbsp/arm/gumstix/include/bsp.h Executable file
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/*
* By Yang Xi <hiyangxi@gmail.com>.
*
* 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.
*
* $Id$
*/
#ifndef _BSP_H
#define _BSP_H
#ifdef __cplusplus
extern "C" {
#endif
#include <bspopts.h>
#include <rtems.h>
#include <rtems/console.h>
#include <rtems/clockdrv.h>
#include <libchip/serial.h>
/* What is the input clock freq in hertz */
#define BSP_MAIN_FREQ 3686400 /* 3.6864 MHz */
#define BSP_SLCK_FREQ 32768 /* 32.768 KHz */
/* What is the last interrupt */
#define BSP_MAX_INT AT91RM9200_MAX_INT
console_tbl *BSP_get_uart_from_minor(int minor);
static inline int32_t BSP_get_baud(void) {return 115200;}
/* How many serial ports? */
#define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 1
/* How big should the interrupt stack be? */
#define CONFIGURE_INTERRUPT_STACK_MEMORY (16 * 1024)
extern rtems_configuration_table Configuration;
#define ST_PIMR_PIV 33 /* 33 ticks of the 32.768Khz clock ~= 1msec */
#ifdef __cplusplus
}
#endif
#endif /* _BSP_H */

16
c/src/lib/libbsp/arm/gumstix/include/bspopts.h.in Normal file
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/* include/bspopts.h.in. Generated from configure.ac by autoheader. */
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
/* Define to the full name of this package. */
#undef PACKAGE_NAME
/* Define to the full name and version of this package. */
#undef PACKAGE_STRING
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the version of this package. */
#undef PACKAGE_VERSION

32
c/src/lib/libbsp/arm/gumstix/include/tm27.h Executable file
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/*
* tm27.h
*
* 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.
*
* $Id$
*/
#ifndef _RTEMS_TMTEST27
#error "This is an RTEMS internal file you must not include directly."
#endif
#ifndef __tm27_h
#define __tm27_h
/*
* Define the interrupt mechanism for Time Test 27
*/
#define MUST_WAIT_FOR_INTERRUPT 0
#define Install_tm27_vector( handler ) /* empty */
#define Cause_tm27_intr() /* empty */
#define Clear_tm27_intr() /* empty */
#define Lower_tm27_intr() /* empty */
#endif

67
c/src/lib/libbsp/arm/gumstix/preinstall.am Executable file
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## Automatically generated by ampolish3 - Do not edit
if AMPOLISH3
$(srcdir)/preinstall.am: Makefile.am
$(AMPOLISH3) $(srcdir)/Makefile.am > $(srcdir)/preinstall.am
endif
PREINSTALL_DIRS =
DISTCLEANFILES += $(PREINSTALL_DIRS)
all-local: $(TMPINSTALL_FILES)
TMPINSTALL_FILES =
CLEANFILES = $(TMPINSTALL_FILES)
all-am: $(PREINSTALL_FILES)
PREINSTALL_FILES =
CLEANFILES += $(PREINSTALL_FILES)
$(PROJECT_LIB)/$(dirstamp):
@$(MKDIR_P) $(PROJECT_LIB)
@: > $(PROJECT_LIB)/$(dirstamp)
PREINSTALL_DIRS += $(PROJECT_LIB)/$(dirstamp)
$(PROJECT_INCLUDE)/$(dirstamp):
@$(MKDIR_P) $(PROJECT_INCLUDE)
@: > $(PROJECT_INCLUDE)/$(dirstamp)
PREINSTALL_DIRS += $(PROJECT_INCLUDE)/$(dirstamp)
$(PROJECT_INCLUDE)/bsp/$(dirstamp):
@$(MKDIR_P) $(PROJECT_INCLUDE)/bsp
@: > $(PROJECT_INCLUDE)/bsp/$(dirstamp)
PREINSTALL_DIRS += $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(PROJECT_LIB)/bsp_specs: bsp_specs $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/bsp_specs
PREINSTALL_FILES += $(PROJECT_LIB)/bsp_specs
$(PROJECT_INCLUDE)/bsp.h: include/bsp.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp.h
$(PROJECT_INCLUDE)/tm27.h: include/tm27.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/tm27.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/tm27.h
$(PROJECT_INCLUDE)/bspopts.h: include/bspopts.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bspopts.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bspopts.h
$(PROJECT_INCLUDE)/bsp/bootcard.h: ../../shared/include/bootcard.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/bootcard.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/bootcard.h
$(PROJECT_INCLUDE)/coverhd.h: ../../shared/include/coverhd.h $(PROJECT_INCLUDE)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/coverhd.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/coverhd.h
$(PROJECT_LIB)/start.$(OBJEXT): start.$(OBJEXT) $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/start.$(OBJEXT)
TMPINSTALL_FILES += $(PROJECT_LIB)/start.$(OBJEXT)
$(PROJECT_LIB)/linkcmds: startup/linkcmds $(PROJECT_LIB)/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_LIB)/linkcmds
PREINSTALL_FILES += $(PROJECT_LIB)/linkcmds

149
c/src/lib/libbsp/arm/gumstix/start/start.S Executable file
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/*
* By Yang Xi <hiyangxi@gmail.com>.
* Based upon CSB336
*
* 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.
*
* $Id$
*/
/* Some standard definitions...*/
.equ PSR_MODE_USR, 0x10
.equ PSR_MODE_FIQ, 0x11
.equ PSR_MODE_IRQ, 0x12
.equ PSR_MODE_SVC, 0x13
.equ PSR_MODE_ABT, 0x17
.equ PSR_MODE_UNDEF, 0x1B
.equ PSR_MODE_SYS, 0x1F
.equ PSR_I, 0x80
.equ PSR_F, 0x40
.equ PSR_T, 0x20
.text
.globl _start
_start:
/*
* Since I don't plan to return to the bootloader,
* I don't have to save the registers.
*
* I'll just set the CPSR for SVC mode, interrupts
* off, and ARM instructions.
*/
mov r0, #(PSR_MODE_SVC | PSR_I | PSR_F)
msr cpsr, r0
/* zero the bss */
ldr r1, =_bss_end_
ldr r0, =_bss_start_
_bss_init:
mov r2, #0
cmp r0, r1
strlot r2, [r0], #4
blo _bss_init /* loop while r0 < r1 */
/* --- Initialize stack pointer registers */
/* Enter IRQ mode and set up the IRQ stack pointer */
mov r0, #(PSR_MODE_IRQ | PSR_I | PSR_F) /* No interrupts */
msr cpsr, r0
ldr r1, =_irq_stack_size
ldr sp, =_irq_stack
add sp, sp, r1
/* Enter FIQ mode and set up the FIQ stack pointer */
mov r0, #(PSR_MODE_FIQ | PSR_I | PSR_F) /* No interrupts */
msr cpsr, r0
ldr r1, =_fiq_stack_size
ldr sp, =_fiq_stack
add sp, sp, r1
/* Enter ABT mode and set up the ABT stack pointer */
mov r0, #(PSR_MODE_ABT | PSR_I | PSR_F) /* No interrupts */
msr cpsr, r0
ldr r1, =_abt_stack_size
ldr sp, =_abt_stack
add sp, sp, r1
/* Set up the SVC stack pointer last and stay in SVC mode */
mov r0, #(PSR_MODE_SVC | PSR_I | PSR_F) /* No interrupts */
msr cpsr, r0
ldr r1, =_svc_stack_size
ldr sp, =_svc_stack
add sp, sp, r1
sub sp, sp, #0x64
/*
* Initialize the MMU. After we return, the MMU is enabled,
* and memory may be remapped. I hope we don't remap this
* memory away.
*/
ldr r0, =mem_map
bl mmu_init
/*
* Initialize the exception vectors. This includes the
* exceptions vectors (0x00000000-0x0000001c), and the
* pointers to the exception handlers (0x00000020-0x0000003c).
*/
mov r0, #0
adr r1, vector_block
ldmia r1!, {r2-r9}
stmia r0!, {r2-r9}
ldmia r1!, {r2-r9}
stmia r0!, {r2-r9}
/* Now we are prepared to start the BSP's C code */
bl boot_card
/*
* Theoretically, we could return to what started us up,
* but we'd have to have saved the registers and stacks.
* Instead, we'll just reset.
*/
bl bsp_reset
/* We shouldn't get here. If we do, hang */
_hang: b _hang
/*
* This is the exception vector table and the pointers to
* the functions that handle the exceptions. It's a total
* of 16 words (64 bytes)
*/
vector_block:
ldr pc, Reset_Handler
ldr pc, Undefined_Handler
ldr pc, SWI_Handler
ldr pc, Prefetch_Handler
ldr pc, Abort_Handler
nop
ldr pc, IRQ_Handler
ldr pc, FIQ_Handler
Reset_Handler: b bsp_reset
Undefined_Handler: b Undefined_Handler
SWI_Handler: b SWI_Handler
Prefetch_Handler: b Prefetch_Handler
Abort_Handler: b Abort_Handler
nop
IRQ_Handler: b IRQ_Handler
FIQ_Handler: b FIQ_Handler
.globl Reset_Handler
.globl Undefined_Handler
.globl SWI_Handler
.globl Prefetch_Handler
.globl Abort_Handler
.globl IRQ_Handler
.globl FIQ_Handler

45
c/src/lib/libbsp/arm/gumstix/startup/bspstart.c Executable file
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/*
* By Yang Xi <hiyangxi@gmail.com>.
*
* 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.
*
* $Id$
*/
#include <bsp.h>
#include <rtems/libcsupport.h>
#include <rtems/libio.h>
#include <pxa255.h>
/* Function prototypes */
extern void rtems_irq_mngt_init(void);
/*
*
* NAME: bsp_start_default - BSP initialization function
*
* DESCRIPTION:
* This function is called before RTEMS is initialized and used
* adjust the kernel's configuration.
*
* This function also configures the CPU's memory protection unit.
*
* RESTRICTIONS/LIMITATIONS:
* Since RTEMS is not configured, no RTEMS functions can be called.
*
*/
void bsp_start_default( void )
{
/* disable interrupts */
XSCALE_INT_ICMR = 0x0;
rtems_exception_init_mngt();
rtems_irq_mngt_init();
} /* bsp_start */
/*
* By making this a weak alias for bsp_start_default, a brave soul
* can override the actual bsp_start routine used.
*/
void bsp_start (void) __attribute__ ((weak, alias("bsp_start_default")));

219
c/src/lib/libbsp/arm/gumstix/startup/linkcmds Executable file
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/*
* GUMSTIX linkcmd by Yang Xi <hiyangxi@gmail.com>. Borrow form CSB337 linkcmd.
*
* 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.
*
*
* $Id$
*/
OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm",
"elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(_start)
MEMORY
{
sdram : ORIGIN = 0xA0000000, LENGTH = 64M
sram : ORIGIN = 0x00000000, LENGTH = 16K
}
/*
* Declare some sizes.
*/
_sdram_base = DEFINED(_sdram_base) ? _sdram_base : 0xA0000000;
_sdram_size = DEFINED(_sdram_size) ? _sdram_size : 64M;
RamBase = _sdram_base;
RamSize = _sdram_size;
HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0;
_sram_base = DEFINED(_sram_base) ? _sram_base : 0x00000000;
_sram_size = DEFINED(_sram_size) ? _sram_size : 16K;
_irq_stack_size = DEFINED(_irq_stack_size) ? _irq_stack_size : 0x1000;
_fiq_stack_size = DEFINED(_fiq_stack_size) ? _fiq_stack_size : 0x400;
_abt_stack_size = DEFINED(_abt_stack_size) ? _abt_stack_size : 0x100;
_svc_stack_size = DEFINED(_svc_stack_size) ? _svc_stack_size : 0x1000;
/* Do we need any of these for elf?
__DYNAMIC = 0; */
SECTIONS
{
.base :
{
arm_exception_table = .;
. += 64;
} > sdram
/* } > sram*/
.init :
{
KEEP (*(.init))
} > sdram /*=0*/
.text :
{
_text_start = .;
CREATE_OBJECT_SYMBOLS
*(.text)
*(.text.*)
/*
* Special FreeBSD sysctl sections.
*/
. = ALIGN (16);
__start_set_sysctl_set = .;
*(set_sysctl_*);
__stop_set_sysctl_set = ABSOLUTE(.);
*(set_domain_*);
*(set_pseudo_*);
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.gnu.linkonce.t*)
*(.glue_7)
*(.glue_7t)
/* I think these come from the ld docs: */
___CTOR_LIST__ = .;
LONG((___CTOR_END__ - ___CTOR_LIST__) / 4 - 2)
*(.ctors)
LONG(0)
___CTOR_END__ = .;
___DTOR_LIST__ = .;
LONG((___DTOR_END__ - ___DTOR_LIST__) / 4 - 2)
*(.dtors)
LONG(0)
___DTOR_END__ = .;
_etext = .;
PROVIDE (etext = .);
} > sdram
.fini :
{
KEEP (*(.fini))
} > sdram /*=0*/
.data :
{
*(.data)
*(.data.*)
*(.gnu.linkonce.d*)
*(.jcr)
SORT(CONSTRUCTORS)
_edata = .;
} > sdram
.eh_frame : { *(.eh_frame) } > sdram
.data1 : { *(.data1) } > sdram
.eh_frame : { *(.eh_frame) } > sdram
.gcc_except_table : { *(.gcc_except_table) } > sdram
.rodata :
{
*(.rodata)
*(.rodata.*)
*(.gnu.linkonce.r*)
} > sdram
.bss :
{
_bss_start_ = .;
_clear_start = .;
*(.bss)
*(.bss.*)
*(.gnu.linkonce.b.*)
*(COMMON)
. = ALIGN(64);
_clear_end = .;
. = ALIGN (256);
_abt_stack = .;
. += _abt_stack_size;
. = ALIGN (256);
_irq_stack = .;
. += _irq_stack_size;
. = ALIGN (256);
_fiq_stack = .;
. += _fiq_stack_size;
. = ALIGN (256);
_svc_stack = .;
. += _svc_stack_size;
_bss_end_ = .;
_end = .;
__end = .;
/*
* Ideally, the MMU's translation table would be in SRAM. But we need
* 16K which is the size of SRAM. If we do the mapping right, the TLB
* should be big enough that to hold all the translations that matter,
* so keeping the table in SDRAM won't be a problem.
*/
. = ALIGN (16 * 1024);
_ttbl_base = .;
. += (16 * 1024);
. = ALIGN (1024);
_bss_free_start = .;
WorkAreaBase = .;
} > sdram
/* Debugging stuff follows? */
/* 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) }
/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
of the section so we begin them at 0. */
/* DWARF 1 */
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/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info) }
.debug_abbrev 0 : { *(.debug_abbrev) }
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/* SGI/MIPS DWARF 2 extensions */
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
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/* .stack 0x80000 : { _stack = .; *(.stack) }*/
/* These must appear regardless of . */
}

19
c/src/lib/libbsp/arm/gumstix/startup/memmap.c Executable file
View File

@@ -0,0 +1,19 @@
/*
* Gumstix Memory Map
* 2008 By Yang Xi <hiyangxi@gmail.com>
* Copyright (c) 2004 by Cogent Computer Systems
* Written by Jay Monkman <jtm@lopingdog.com>
*
* $Id$
*/
#include <rtems.h>
#include <libcpu/mmu.h>
mmu_sect_map_t mem_map[] = {
/* <phys addr> <virt addr> <size> <flags> */
{0x40000000, 0x40000000, 20, MMU_CACHE_NONE}, /*Map I/O*/
{0xA0000000, 0x00000000, 1, MMU_CACHE_NONE}, /*sram*/
{0xA0000000, 0xA0000000, 64, MMU_CACHE_WBACK}, /* SDRAM */
{0x00000000, 0x00000000, 0, 0} /* The end */
};