diff options
Diffstat (limited to 'bsps/sparc/leon2/include/bsp.h')
| -rw-r--r-- | bsps/sparc/leon2/include/bsp.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/bsps/sparc/leon2/include/bsp.h b/bsps/sparc/leon2/include/bsp.h new file mode 100644 index 0000000000..2028ba0db3 --- /dev/null +++ b/bsps/sparc/leon2/include/bsp.h @@ -0,0 +1,220 @@ +/** + * @file + * + * @ingroup sparc_leon2 + * + * @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_LEON2_BSP_H +#define LIBBSP_SPARC_LEON2_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 sparc_leon2 LEON2 Support + * + * @ingroup bsp_sparc + * + * @brief LEON2 Support Package + * + */ + +/* SPARC CPU variant: LEON2 */ +#define LEON2 1 + +/* + * 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_leon_open_eth_driver_attach( + struct rtems_bsdnet_ifconfig *config +); +extern int rtems_smc91111_driver_attach_leon2( + struct rtems_bsdnet_ifconfig *config +); +#define RTEMS_BSP_NETWORK_DRIVER_NAME "open_eth1" +#define RTEMS_BSP_NETWORK_DRIVER_ATTACH_OPENETH \ + rtems_leon_open_eth_driver_attach +#define RTEMS_BSP_NETWORK_DRIVER_ATTACH_SMC91111 \ + rtems_smc91111_driver_attach_leon2 + +#define HAS_SMC91111 + +/* Configure GRETH driver */ +#define GRETH_SUPPORTED +#define GRETH_MEM_LOAD(addr) leon_r32_no_cache((uintptr_t) addr) + +/* + * The synchronous trap is an arbitrarily chosen software trap. + */ + +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); + +void bsp_spurious_initialize( void ); + +/* 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 method + */ +void rtems_bsp_delay(int usecs); + +/* + * Prototypes for BSP methods that are used across file boundaries + */ +int cchip1_register(void); + +/* AT697 has PCI defined as big endian */ +#define BSP_PCI_BIG_ENDIAN + +/* 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 GPTIMER_INFO_AVAIL /* GPTIMER Timer driver */ +#define GRETH_INFO_AVAIL /* GRETH Ethernet driver */ + +#ifdef __cplusplus +} +#endif + +#endif |