/**
* @file
*
* @ingroup RTEMSBSPsSPARCLEON3
*
* @brief Global BSP definitions.
*/
/* bsp.h
*
* This include file contains all SPARC simulator definitions.
*
* COPYRIGHT (c) 1989-1998.
* 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_LEON3_BSP_H
#define LIBBSP_SPARC_LEON3_BSP_H
#include <bspopts.h>
#include <bsp/default-initial-extension.h>
#include <rtems.h>
#include <leon.h>
#include <rtems/irq-extension.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup RTEMSBSPsSPARCLEON3 LEON3 and LEON4
*
* @ingroup RTEMSBSPsSPARC
*
* @brief LEON3 and LEON4 Board Support Package.
*
* @{
*/
/* SPARC CPU variant: LEON3 */
#define LEON3 1
/*
* BSP provides its own Idle thread body
*/
void *bsp_idle_thread( uintptr_t ignored );
#define BSP_IDLE_TASK_BODY bsp_idle_thread
/* Maximum supported APBUARTs by BSP */
#define BSP_NUMBER_OF_TERMIOS_PORTS 8
/*
* Network driver configuration
*/
struct rtems_bsdnet_ifconfig;
extern int rtems_leon_open_eth_driver_attach(
struct rtems_bsdnet_ifconfig *config,
int attach
);
extern int rtems_smc91111_driver_attach_leon3(
struct rtems_bsdnet_ifconfig *config,
int attach
);
extern int rtems_leon_greth_driver_attach(
struct rtems_bsdnet_ifconfig *config,
int attach
);
#define RTEMS_BSP_NETWORK_DRIVER_NAME_OPENETH "open_eth1"
#define RTEMS_BSP_NETWORK_DRIVER_ATTACH_OPENETH \
rtems_leon_open_eth_driver_attach
#define RTEMS_BSP_NETWORK_DRIVER_NAME_SMC91111 "smc_eth1"
#define RTEMS_BSP_NETWORK_DRIVER_ATTACH_SMC91111 \
rtems_smc91111_driver_attach_leon3
#define RTEMS_BSP_NETWORK_DRIVER_NAME_GRETH "gr_eth1"
#define RTEMS_BSP_NETWORK_DRIVER_ATTACH_GRETH \
rtems_leon_greth_driver_attach
#ifndef RTEMS_BSP_NETWORK_DRIVER_NAME
#define RTEMS_BSP_NETWORK_DRIVER_NAME RTEMS_BSP_NETWORK_DRIVER_NAME_GRETH
#define RTEMS_BSP_NETWORK_DRIVER_ATTACH RTEMS_BSP_NETWORK_DRIVER_ATTACH_GRETH
#endif
#define HAS_SMC91111
/* Configure GRETH driver */
#define GRETH_SUPPORTED
#define GRETH_MEM_LOAD(addr) leon_r32_no_cache((uintptr_t)addr)
extern int CPU_SPARC_HAS_SNOOPING;
/* 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 */
/* miscellaneous stuff assumed to exist */
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);
/*
* Delay for the specified number of microseconds.
*/
void rtems_bsp_delay(int usecs);
/* 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);
#if defined(RTEMS_SMP) || defined(RTEMS_MULTIPROCESSING)
/* Irq used by the shared memory driver and for inter-processor interrupts.
* The variable is weakly linked. Redefine the variable in your application
* to override the BSP default.
*/
extern const unsigned char LEON3_mp_irq;
#endif
#ifdef RTEMS_SMP
/* Weak table used to implement static interrupt CPU affinity in a SMP
* configuration. The array index is the interrupt to be looked up, and
* the array[INTERRUPT] content is the CPU number relative to boot CPU
* index that will be servicing the interrupts from the IRQ source. The
* default is to let the first CPU (the boot cpu) to handle all
* interrupts (all zeros).
*/
extern const unsigned char LEON3_irq_to_cpu[32];
#endif
/* Common driver build-time configurations. On small systems undefine
* [DRIVER]_INFO_AVAIL to avoid info routines get dragged in. It is good
* for debugging and printing information about the system, but makes the
* image bigger.
*/
#define AMBAPPBUS_INFO_AVAIL /* AMBAPP Bus driver */
#define APBUART_INFO_AVAIL /* APBUART Console driver */
#define GPTIMER_INFO_AVAIL /* GPTIMER Timer driver */
#define GRETH_INFO_AVAIL /* GRETH Ethernet driver */
#ifdef __cplusplus
}
#endif
/** @} */
#endif
