/**
* @file
*
* @ingroup RTEMSBSPsSPARCERC32
*
* @brief Global BSP definitions.
*/
/*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* 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.
*
* Ported to ERC32 implementation of the SPARC by On-Line Applications
* Research Corporation (OAR) under contract to the European Space
* Agency (ESA).
*
* ERC32 modifications of respective RTEMS file: COPYRIGHT (c) 1995.
* European Space Agency.
*/
#ifndef LIBBSP_SPARC_ERC32_BSP_H
#define LIBBSP_SPARC_ERC32_BSP_H
/**
* @defgroup RTEMSBSPsSPARCERC32 ERC32
*
* @ingroup RTEMSBSPsSPARC
*
* @brief ERC32 Board Support Package.
*
* @{
*/
#include <bspopts.h>
#include <bsp/default-initial-extension.h>
#include <rtems.h>
#include <erc32.h>
#include <rtems/irq-extension.h>
#ifdef __cplusplus
extern "C" {
#endif
#define BSP_FEATURE_IRQ_EXTENSION
/*
* BSP provides its own Idle thread body
*/
void *bsp_idle_thread( uintptr_t ignored );
#define BSP_IDLE_TASK_BODY bsp_idle_thread
/*
* Network driver configuration
*/
struct rtems_bsdnet_ifconfig;
extern int rtems_erc32_sonic_driver_attach(
struct rtems_bsdnet_ifconfig *config
);
#define RTEMS_BSP_NETWORK_DRIVER_NAME "sonic1"
#define RTEMS_BSP_NETWORK_DRIVER_ATTACH rtems_erc32_sonic_driver_attach
/* Constants */
/*
* Information placed in the linkcmds file.
*/
extern int RAM_START;
extern int RAM_END;
extern int RAM_SIZE;
extern int PROM_START;
extern int PROM_END;
extern int PROM_SIZE;
extern int CLOCK_SPEED;
extern int end; /* last address in the program */
/* functions */
rtems_isr_entry set_vector( /* returns old vector */
rtems_isr_entry handler, /* isr routine */
rtems_vector_number vector, /* vector number */
int type /* RTEMS or RAW intr */
);
void BSP_fatal_exit(uint32_t error);
/* Interrupt Service Routine (ISR) pointer */
typedef void (*bsp_shared_isr)(void *arg);
/* Initializes the Shared System Interrupt service */
extern void BSP_shared_interrupt_init(void);
/* Called directly from IRQ trap handler TRAP[0x10..0x1F] = IRQ[0..15] */
void bsp_isr_handler(rtems_vector_number vector);
/* Registers a shared IRQ handler, and enable it at IRQ controller. Multiple
* interrupt handlers may use the same IRQ number, all ISRs will be called
* when an interrupt on that line is fired.
*
* Arguments
* irq System IRQ number
* info Optional Name of IRQ source
* isr Function pointer to the ISR
* arg Second argument to function isr
*/
static __inline__ int BSP_shared_interrupt_register
(
int irq,
const char *info,
bsp_shared_isr isr,
void *arg
)
{
return rtems_interrupt_handler_install(irq, info,
RTEMS_INTERRUPT_SHARED, isr, arg);
}
/* Unregister previously registered shared IRQ handler.
*
* Arguments
* irq System IRQ number
* isr Function pointer to the ISR
* arg Second argument to function isr
*/
static __inline__ int BSP_shared_interrupt_unregister
(
int irq,
bsp_shared_isr isr,
void *arg
)
{
return rtems_interrupt_handler_remove(irq, isr, arg);
}
/* Clear interrupt pending on IRQ controller, this is typically done on a
* level triggered interrupt source such as PCI to avoid taking double IRQs.
* In such a case the interrupt source must be cleared first on LEON, before
* acknowledging the IRQ with this function.
*
* Arguments
* irq System IRQ number
*/
extern void BSP_shared_interrupt_clear(int irq);
/* Enable Interrupt. This function will unmask the IRQ at the interrupt
* controller. This is normally done by _register(). Note that this will
* affect all ISRs on this IRQ.
*
* Arguments
* irq System IRQ number
*/
extern void BSP_shared_interrupt_unmask(int irq);
/* Disable Interrupt. This function will mask one IRQ at the interrupt
* controller. This is normally done by _unregister(). Note that this will
* affect all ISRs on this IRQ.
*
* Arguments
* irq System IRQ number
*/
extern void BSP_shared_interrupt_mask(int irq);
/*
* Delay for the specified number of microseconds.
*/
void rtems_bsp_delay(int usecs);
/*
* Prototypes for methods used across file boundaries
*/
void console_outbyte_polled(int port, unsigned char ch);
int console_inbyte_nonblocking(int port);
#ifdef __cplusplus
}
#endif
/** @} */
#endif
