/** * @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 #include #include #include #include #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