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2008-09-12 Joel Sherrill <joel.sherrill@OARcorp.com>

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* Makefile.am, configure.ac, startup/bspclean.c, startup/bspstart.c:
	Now support bsp_get_work_area() and used shared implementation of it
	and bsp_pretasking_hook.
This commit is contained in:
Joel Sherrill
2008-09-12 21:18:07 +00:00
parent 02694aae95
commit 3ab13d5ce8
5 changed files with 63 additions and 108 deletions
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6
c/src/lib/libbsp/arm/csb337/ChangeLog
View File

@@ -1,3 +1,9 @@
2008-09-12 Joel Sherrill <joel.sherrill@OARcorp.com>
* Makefile.am, configure.ac, startup/bspclean.c, startup/bspstart.c:
Now support bsp_get_work_area() and used shared implementation of it
and bsp_pretasking_hook.
2008-08-21 Joel Sherrill <joel.sherrill@oarcorp.com>
* Makefile.am: No BSP should use exit.c as a file name. exit() is POSIX

6
c/src/lib/libbsp/arm/csb337/Makefile.am
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@@ -26,9 +26,9 @@ project_lib_DATA = start.$(OBJEXT)
dist_project_lib_DATA += startup/linkcmds
startup_SOURCES = ../../shared/bsplibc.c ../../shared/bsppost.c \
../../shared/bsppredriverhook.c \
startup/bspstart.c startup/bspclean.c startup/memmap.c \
../../shared/bootcard.c ../../shared/sbrk.c \
../../shared/bsppredriverhook.c ../shared/bspgetworkarea.c \
../../shared/bsppretaskinghook.c startup/bspstart.c startup/bspclean.c \
startup/memmap.c ../../shared/bootcard.c ../../shared/sbrk.c \
../../shared/gnatinstallhandler.c
console_SOURCES = console/uarts.c ../../shared/console.c
abort_SOURCES = ../shared/abort/abort.c

2
c/src/lib/libbsp/arm/csb337/configure.ac
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@@ -18,6 +18,8 @@ RTEMS_PROG_CCAS
RTEMS_CHECK_NETWORKING
AM_CONDITIONAL(HAS_NETWORKING,test "$HAS_NETWORKING" = "yes")
RTEMS_BSP_BOOTCARD_HANDLES_RAM_ALLOCATION
# Explicitly list all Makefiles here
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

3
c/src/lib/libbsp/arm/csb337/startup/bspclean.c
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@@ -10,7 +10,8 @@
*
*
* $Id$
*/
*/
#include <stdio.h>
#include <bsp.h>
#include <rtems/bspIo.h>

154
c/src/lib/libbsp/arm/csb337/startup/bspstart.c
View File

@@ -34,92 +34,38 @@ extern void rtems_irq_mngt_init(void);
void bsp_libc_init( void *, uint32_t, int );
static void fix_mac_addr(void);
/**************************************************************************/
/* */
/* NAME: bsp_pretasking_hook - Function to setup system before startup */
/* */
/* DESCRIPTION: */
/* This function is called before drivers are initialized and used */
/* to setup libc and BSP extensions. */
/* */
/* RESTRICTIONS/LIMITATIONS: */
/* Since this function is setting up libc, it cannot use and libc */
/* functions. */
/* */
/**************************************************************************/
void bsp_pretasking_hook(void)
{
uint32_t heap_start;
uint32_t heap_size;
/*
* Set up the heap.
*/
heap_start = free_mem_start;
heap_size = free_mem_end - free_mem_start;
/* call rtems lib init - malloc stuff */
bsp_libc_init((void *)heap_start, heap_size, 0);
}
/**************************************************************************/
/* */
/* 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. */
/* */
/**************************************************************************/
/*
* bsp_start_default - BSP initialization function
*
* 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 */
AIC_CTL_REG(AIC_IDCR) = 0xffffffff;
/* disable interrupts */
AIC_CTL_REG(AIC_IDCR) = 0xffffffff;
/*
* Some versions of the bootloader have the MAC address
* reversed. This fixes it, if necessary.
*/
fix_mac_addr();
/*
* Some versions of the bootloader have the MAC address
* reversed. This fixes it, if necessary.
*/
fix_mac_addr();
/* Place RTEMS workspace at beginning of free memory. */
Configuration.work_space_start = (void *)&_bss_free_start;
/*
* Init rtems exceptions management
*/
rtems_exception_init_mngt();
/*
* Init rtems interrupt management
*/
rtems_irq_mngt_init();
free_mem_start = ((uint32_t)&_bss_free_start +
rtems_configuration_get_work_space_size());
free_mem_end = ((uint32_t)&_sdram_base + (uint32_t)&_sdram_size);
/*
* Init rtems exceptions management
*/
rtems_exception_init_mngt();
/*
* Init rtems interrupt management
*/
rtems_irq_mngt_init();
/*
* The following information is very useful when debugging.
*/
#if 0
printk( "work_space_size = 0x%x\n\r",
rtems_configuration_get_work_space_size() );
printk( "microseconds_per_tick = 0x%x\n\r",
rtems_configuration_get_microseconds_per_tick() );
printk( "ticks_per_timeslice = 0x%x\n\r",
rtems_configuration_get_ticks_per_timeslice() );
printk( "work_space_size = 0x%x\n\r",
rtems_configuration_get_work_space_size() );
#endif
} /* bsp_start */
/*
@@ -129,26 +75,26 @@ void bsp_start_default( void )
*/
static void fix_mac_addr(void)
{
uint8_t addr[6];
uint8_t addr[6];
/* Read the MAC address */
addr[0] = (EMAC_REG(EMAC_SA1L) >> 0) & 0xff;
addr[1] = (EMAC_REG(EMAC_SA1L) >> 8) & 0xff;
addr[2] = (EMAC_REG(EMAC_SA1L) >> 16) & 0xff;
addr[3] = (EMAC_REG(EMAC_SA1L) >> 24) & 0xff;
addr[4] = (EMAC_REG(EMAC_SA1H) >> 0) & 0xff;
addr[5] = (EMAC_REG(EMAC_SA1H) >> 8) & 0xff;
/* Read the MAC address */
addr[0] = (EMAC_REG(EMAC_SA1L) >> 0) & 0xff;
addr[1] = (EMAC_REG(EMAC_SA1L) >> 8) & 0xff;
addr[2] = (EMAC_REG(EMAC_SA1L) >> 16) & 0xff;
addr[3] = (EMAC_REG(EMAC_SA1L) >> 24) & 0xff;
addr[4] = (EMAC_REG(EMAC_SA1H) >> 0) & 0xff;
addr[5] = (EMAC_REG(EMAC_SA1H) >> 8) & 0xff;
/* Check which 3 bytes have Cogent's OUI */
if ((addr[5] == 0x00) && (addr[4] == 0x23) && (addr[3] == 0x31)) {
EMAC_REG(EMAC_SA1L) = ((addr[5] << 0) |
(addr[4] << 8) |
(addr[3] << 16) |
(addr[2] << 24));
/* Check which 3 bytes have Cogent's OUI */
if ((addr[5] == 0x00) && (addr[4] == 0x23) && (addr[3] == 0x31)) {
EMAC_REG(EMAC_SA1L) = ((addr[5] << 0) |
(addr[4] << 8) |
(addr[3] << 16) |
(addr[2] << 24));
EMAC_REG(EMAC_SA1H) = ((addr[1] << 0) |
(addr[0] << 8));
}
EMAC_REG(EMAC_SA1H) = ((addr[1] << 0) |
(addr[0] << 8));
}
}
@@ -158,7 +104,7 @@ static void fix_mac_addr(void)
*/
void bsp_start (void) __attribute__ ((weak, alias("bsp_start_default")));
/**
/*
* Reset the system.
*
* This functions enables the watchdog and waits for it to
@@ -166,12 +112,12 @@ void bsp_start (void) __attribute__ ((weak, alias("bsp_start_default")));
*/
void bsp_reset(void)
{
rtems_interrupt_level level;
rtems_interrupt_level level;
rtems_interrupt_disable(level);
rtems_interrupt_disable(level);
/* Enable the watchdog timer, then wait for the world to end. */
ST_REG(ST_WDMR) = ST_WDMR_RSTEN | 1;
/* Enable the watchdog timer, then wait for the world to end. */
ST_REG(ST_WDMR) = ST_WDMR_RSTEN | 1;
while(1);
while(1);
}