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2010-12-29 Sebastian Huber <sebastian.huber@embedded-brains.de>

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* Makefile.am, preinstall.am, startup/start.S: Use standard zero
	function.
	* startup/linkcmds.base: Reserve enough space for the exception
	minimum prologues.  Changed start section name.
	* startup/bspstart.c: Removed superfluous cache initialization.
	* configure.ac: Fixed option default values.
This commit is contained in:
Sebastian Huber
2010-12-29 10:54:57 +00:00
parent 47b0230107
commit 6175176562
7 changed files with 22 additions and 39 deletions
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6
c/src/lib/libbsp/powerpc/mpc55xxevb/ChangeLog
View File

@@ -1,7 +1,11 @@
2010-12-29 Sebastian Huber <sebastian.huber@embedded-brains.de>
* Makefile.am, preinstall.am, startup/start.S: Use standard zero
function.
* startup/linkcmds.base: Reserve enough space for the exception
minimum prologues.
minimum prologues. Changed start section name.
* startup/bspstart.c: Removed superfluous cache initialization.
* configure.ac: Fixed option default values.
2010-12-22 Sebastian Huber <sebastian.huber@embedded-brains.de>

4
c/src/lib/libbsp/powerpc/mpc55xxevb/Makefile.am
View File

@@ -42,13 +42,15 @@ include_bsp_HEADERS = include/mpc55xxevb.h \
../../shared/include/irq-generic.h \
../../shared/include/irq-info.h \
../../shared/include/utility.h \
../shared/include/start.h \
../shared/include/tictac.h
# startup
libbsp_a_SOURCES += ../../shared/bsplibc.c ../../shared/bsppost.c \
../../shared/bootcard.c ../shared/src/tictac.c ../../shared/bspclean.c \
../shared/startup/bspidle.c startup/bspstart.c startup/bspgetworkarea.c \
../../shared/bsppretaskinghook.c
../../shared/bsppretaskinghook.c \
../shared/src/bsp-start-zero.S
# clock
libbsp_a_SOURCES += clock/clock-config.c

8
c/src/lib/libbsp/powerpc/mpc55xxevb/configure.ac
View File

@@ -23,21 +23,21 @@ RTEMS_PROG_CCAS
RTEMS_CHECK_NETWORKING
AM_CONDITIONAL(HAS_NETWORKING,test "$HAS_NETWORKING" = "yes")
RTEMS_BSPOPTS_SET([DATA_CACHE_ENABLE],[gwlcfm],[0])
RTEMS_BSPOPTS_SET([DATA_CACHE_ENABLE],[gwlcfm],[])
RTEMS_BSPOPTS_SET([DATA_CACHE_ENABLE],[mpc5566evb],[1])
RTEMS_BSPOPTS_SET([DATA_CACHE_ENABLE],[*],[1])
RTEMS_BSPOPTS_HELP([DATA_CACHE_ENABLE],
[If defined, the data cache will be enabled after address translation
is turned on.])
RTEMS_BSPOPTS_SET([INSTRUCTION_CACHE_ENABLE],[gwlcfm],[0])
RTEMS_BSPOPTS_SET([INSTRUCTION_CACHE_ENABLE],[gwlcfm],[])
RTEMS_BSPOPTS_SET([INSTRUCTION_CACHE_ENABLE],[mpc5566evb],[1])
RTEMS_BSPOPTS_SET([INSTRUCTION_CACHE_ENABLE],[*],[1])
RTEMS_BSPOPTS_HELP([INSTRUCTION_CACHE_ENABLE],
[If defined, the instruction cache will be enabled after address translation
is turned on.])
RTEMS_BSPOPTS_SET([UARTS_USE_TERMIOS],[*],[0])
RTEMS_BSPOPTS_SET([UARTS_USE_TERMIOS],[*],[])
RTEMS_BSPOPTS_HELP([UARTS_USE_TERMIOS],
[Define to 1 if you want termios support for every port.
Termios support is independent of the choice of UART I/O mode.])
@@ -49,7 +49,7 @@ RTEMS_BSPOPTS_HELP([CONSOLE_MINOR],
device will be registered as /dev/console.])
RTEMS_BSPOPTS_SET([UARTS_IO_MODE],[gwlcfm],[1])
RTEMS_BSPOPTS_SET([UARTS_IO_MODE],[*] ,[0])
RTEMS_BSPOPTS_SET([UARTS_IO_MODE],[*] ,[])
RTEMS_BSPOPTS_HELP([UARTS_IO_MODE],
[Define to 1 if you want interrupt-driven I/O for the SCI ports.])

4
c/src/lib/libbsp/powerpc/mpc55xxevb/preinstall.am
View File

@@ -109,6 +109,10 @@ $(PROJECT_INCLUDE)/bsp/utility.h: ../../shared/include/utility.h $(PROJECT_INCLU
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/utility.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/utility.h
$(PROJECT_INCLUDE)/bsp/start.h: ../shared/include/start.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/start.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/start.h
$(PROJECT_INCLUDE)/bsp/tictac.h: ../shared/include/tictac.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/tictac.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/tictac.h

10
c/src/lib/libbsp/powerpc/mpc55xxevb/startup/bspstart.c
View File

@@ -646,14 +646,4 @@ void bsp_start(void)
/* Initialize eMIOS */
mpc55xx_emios_initialize( MPC55XX_EMIOS_PRESCALER);
/*
* Enable instruction and data caches. Do not force writethrough mode.
*/
#if INSTRUCTION_CACHE_ENABLE
rtems_cache_enable_instruction();
#endif
#if DATA_CACHE_ENABLE
rtems_cache_enable_data();
#endif
}

5
c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.base
View File

@@ -19,7 +19,8 @@ SECTIONS
/*
* BSP: System startup entry
*/
KEEP (*(.entry))
KEEP (*(.bsp_start_text))
KEEP (*(.bsp_start_data))
/*
* BSP: Moved into .text from .init
@@ -98,7 +99,7 @@ SECTIONS
/*
* BSP: Reserve space for exception handler
*/
. = . + 0x230;
. = . + 0x130;
. = ALIGN (bsp_section_align);
} > REGION_VECTORS

24
c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start.S
View File

@@ -28,7 +28,7 @@
#include <mpc55xx/reg-defs.h>
#include <bspopts.h>
.section ".entry", "ax"
.section ".bsp_start_text", "ax"
PUBLIC_VAR (start)
.globl fmpll_syncr_vals
bam_rchw:
@@ -127,28 +127,10 @@ start:
/* Addresses */
LA r3, bsp_ram_start
LA r4, bsp_ram_end
/* Assert: Proper alignment of destination start */
andi. r6, r3, 0x3f
bne twiddle
/* Assert: Proper alignment of destination end */
andi. r6, r4, 0x3f
bne twiddle
/* Data size = destination end - destination start */
subf r4, r3, r4
/* Save time */
mftb r24
LA r4, bsp_ram_size
/* Zero */
bl SYM (mpc55xx_zero_32)
/* Save time and get time delta */
mftb r25
subf r24, r24, r25
bl SYM (bsp_start_zero)
/*
* Copy data