source: rtems/c/src/lib/libbsp/sparc/leon2/startup/bsppredriver.c @ 5a06b187

/**
 * @file
 * @ingroup sparc_leon2
 * @brief Installs BSP pre-driver hook
 */

/*  Installs the BSP pre-driver hook
 *
 *  COPYRIGHT (c) 2011
 *  Aeroflex Gaisler
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.org/license/LICENSE.
 */

#include <bsp.h>
#include <bsp/bootcard.h>

/* If RTEMS_DRVMGR_STARTUP is defined extra code is added that
 * registers the LEON2 AMBA bus driver as root driver into the
 * driver manager.
 *
 * The structues here are declared weak so that the user can override
 * the configuration and add custom cores in the RTEMS project.
 */
#ifdef RTEMS_DRVMGR_STARTUP
#include <drvmgr/drvmgr.h>
#include <drvmgr/leon2_amba_bus.h>

/* All drivers included by BSP, this is overridden by the user by including
 * the devmgr_confdefs.h. No specifc drivers needed by BSP since IRQ/TIMER/UART
 * is not drvmgr drivers.
 */
drvmgr_drv_reg_func drvmgr_drivers[] __attribute__((weak)) =
{
  NULL /* End array with NULL */
};

/* Defines what cores are avilable on the bus in addition to the standard
 * LEON2 peripherals.
 */
struct leon2_core leon2_amba_custom_cores[] __attribute__((weak)) =
{
  EMPTY_LEON2_CORE
};

/* Configure LEON2 Root bus driver */
struct leon2_bus leon2_bus_config __attribute__((weak)) =
{
  &leon2_std_cores[0], /* The standard cores, defined by driver */
  &leon2_amba_custom_cores[0],   /* custom cores, defined by us */
  DRVMGR_TRANSLATE_ONE2ONE,
  DRVMGR_TRANSLATE_ONE2ONE,
};

/* Driver resources on LEON2 AMBA bus. Used to set options for particular
 * LEON2 cores, it is up to the driver to look at the configuration paramters
 * once started.
 */
struct drvmgr_bus_res leon2_amba_res __attribute__((weak)) =
{
  .next = NULL,
  .resource = {
    DRVMGR_RES_EMPTY
  },
};
#endif /* RTEMS_DRVMGR_STARTUP */

/*
 *  bsp_predriver_hook
 *
 *  BSP predriver hook. Called just before drivers are initialized.
 *  Is used to initialize shared interrupt handling.
 */
void bsp_predriver_hook( void )
{
  bsp_spurious_initialize();

  /* Initialize shared interrupt handling, must be done after IRQ
   * controller has been found and initialized.
   */
  BSP_shared_interrupt_init();

#ifdef RTEMS_DRVMGR_STARTUP
  leon2_root_register(&leon2_bus_config, &leon2_amba_res);
#endif
}