/*-------------------------------------------------------------------------+
| Function: bsp_start
| Description: Called before main is invoked.
| Global Variables: None.
| Arguments: None.
| Returns: Nothing.
+--------------------------------------------------------------------------*/
void bsp_start_default( void )
{
int pci_init_retval;
/*
* We need to determine how much memory there is in the system.
*/
bsp_size_memory();
/*
* Calibrate variable for 1ms-loop (see timer.c)
*/
Calibrate_loop_1ms();
/*
* Init rtems interrupt management
*/
rtems_irq_mngt_init();
/*
* Init rtems exceptions management
*/
rtems_exception_init_mngt();
/*
* init PCI Bios interface...
*/
pci_init_retval = pci_initialize();
if (pci_init_retval != PCIB_ERR_SUCCESS) {
printk("PCI bus: could not initialize PCI BIOS interface\n");
}
bsp_ide_cmdline_init ();
} /* bsp_start */
void bsp_start_default( void )
{
/* disable interrupts */
*EP7312_INTMR1 = 0;
*EP7312_INTMR2 = 0;
Cpu_table.pretasking_hook = bsp_pretasking_hook;
Cpu_table.postdriver_hook = bsp_postdriver_hook;
/* Place RTEMS workspace at beginning of free memory. */
BSP_Configuration.work_space_start = (void *)&_bss_free_start;
free_mem_start = ((uint32_t)&_bss_free_start +
BSP_Configuration.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", BSP_Configuration.work_space_size );
printk( "maximum_extensions = 0x%x\n", BSP_Configuration.maximum_extensions );
printk( "microseconds_per_tick = 0x%x\n",
BSP_Configuration.microseconds_per_tick );
printk( "ticks_per_timeslice = 0x%x\n",
BSP_Configuration.ticks_per_timeslice );
printk( "number_of_device_drivers = 0x%x\n",
BSP_Configuration.number_of_device_drivers );
printk( "Device_driver_table = 0x%x\n",
BSP_Configuration.Device_driver_table );
/* printk( "_stack_size = 0x%x\n", _stack_size );*/
printk( "work_space_start = 0x%x\n", BSP_Configuration.work_space_start );
printk( "work_space_size = 0x%x\n", BSP_Configuration.work_space_size );
#endif
} /* bsp_start */
/*-------------------------------------------------------------------------+
| Function: bsp_start
| Description: Called before main is invoked.
| Global Variables: None.
| Arguments: None.
| Returns: Nothing.
+--------------------------------------------------------------------------*/
void bsp_start_default( void )
{
mmu_sect_map_t mem_map[] = {
{0x00000000, 0x0c000000, 1, MMU_CACHE_NONE}, /* Mirror of SDRAM for the vector handler*/
{0x0c000000, 0x0c000000, 8, MMU_CACHE_WTHROUGH}, /* SDRAM */
{0x14000000, 0x14000000, 1, MMU_CACHE_NONE}, /* Internals Regs - */
{0x15000000, 0x15000000, 1, MMU_CACHE_NONE}, /* Specials Internal Regs - */
};
/* If we don't have command line arguments set default program name. */
Cpu_table.pretasking_hook = bsp_pretasking_hook; /* init libc, etc. */
Cpu_table.predriver_hook = NULL; /* use system's */
Cpu_table.postdriver_hook = bsp_postdriver_hook;
Cpu_table.idle_task = NULL;
/* do not override system IDLE task */
Cpu_table.do_zero_of_workspace = TRUE;
Cpu_table.interrupt_stack_size = 4096;
Cpu_table.extra_mpci_receive_server_stack = 0;
/*disable interrupts */
rINTMSK=0xffffffff;//unmasked by dirvers
/* Place RTEMS workspace at beginning of free memory. */
BSP_Configuration.work_space_start = (void *)&_bss_free_start;
free_mem_start = ((unsigned32)&_bss_free_start + BSP_Configuration.work_space_size);
free_mem_end = ((unsigned32)&_sdram_base + (unsigned32)&_sdram_size);
/*enable the MMU*/
mmu_init(mem_map, (sizeof(mem_map) / sizeof(mmu_sect_map_t)));
/*
* 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", BSP_Configuration.work_space_size );
printk( "maximum_extensions = 0x%x\n", BSP_Configuration.maximum_extensions );
printk( "microseconds_per_tick = 0x%x\n",
BSP_Configuration.microseconds_per_tick );
printk( "ticks_per_timeslice = 0x%x\n",
BSP_Configuration.ticks_per_timeslice );
printk( "maximum_devices = 0x%x\n", BSP_Configuration.maximum_devices );
printk( "number_of_device_drivers = 0x%x\n",
BSP_Configuration.number_of_device_drivers );
printk( "Device_driver_table = 0x%x\n",
BSP_Configuration.Device_driver_table );
printk( "_heap_size = 0x%x\n", _heap_size );
/* printk( "_stack_size = 0x%x\n", _stack_size );*/
printk( "rtemsFreeMemStart = 0x%x\n", rtemsFreeMemStart );
printk( "work_space_start = 0x%x\n", BSP_Configuration.work_space_start );
printk( "work_space_size = 0x%x\n", BSP_Configuration.work_space_size );
#endif
} /* bsp_start */