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Diffstat (limited to 'bsps/m68k/uC5282/include/bsp.h')
| -rw-r--r-- | bsps/m68k/uC5282/include/bsp.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/bsps/m68k/uC5282/include/bsp.h b/bsps/m68k/uC5282/include/bsp.h new file mode 100644 index 0000000000..a887cc0385 --- /dev/null +++ b/bsps/m68k/uC5282/include/bsp.h @@ -0,0 +1,175 @@ +/* + * uC5282 BSP header file + * + * Author: W. Eric Norum <norume@aps.anl.gov> + * + * COPYRIGHT (c) 2005. + * 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. + */ + +#ifndef LIBBSP_M68K_UC5282_BSP_H +#define LIBBSP_M68K_UC5282_BSP_H + +#include <bspopts.h> +#include <bsp/default-initial-extension.h> + +#include <rtems.h> +#include <rtems/bspIo.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ +/** BSP Configuration **/ +/* + * Uncomment to use instruction/data cache + * Leave commented to use instruction-only cache + */ +#define RTEMS_MCF5282_BSP_ENABLE_DATA_CACHE + +/***************************************************************************/ +/** Hardware data structure headers **/ +#include <mcf5282/mcf5282.h> /* internal MCF5282 modules */ + +/***************************************************************************/ +/** Network driver configuration **/ +struct rtems_bsdnet_ifconfig; +extern int rtems_fec_driver_attach (struct rtems_bsdnet_ifconfig *config, int attaching ); +#define RTEMS_BSP_NETWORK_DRIVER_NAME "fs1" +#define RTEMS_BSP_NETWORK_DRIVER_ATTACH rtems_fec_driver_attach + +/***************************************************************************/ +/** User Definable configuration **/ + +/* define which port the console should use - all other ports are then defined as general purpose */ +#define CONSOLE_PORT 0 + +/* functions */ + +typedef struct { + unsigned int l; + void *v; +} bsp_mnode_t; + +#define RTEMS_BSP_PGM_ERASE_FIRST 0x1 +#define RTEMS_BSP_PGM_RESET_AFTER 0x2 +#define RTEMS_BSP_PGM_EXEC_AFTER 0x4 +#define RTEMS_BSP_PGM_HALT_AFTER 0x8 + +uint32_t bsp_get_CPU_clock_speed(void); +rtems_status_code bsp_allocate_interrupt(int level, int priority); +int bsp_sysReset(int flags); +int bsp_program(bsp_mnode_t *chain, int flags); +unsigned const char *bsp_gethwaddr(int a); +const char *bsp_getbenv(const char *a); +int bsp_flash_erase_range(volatile unsigned short *flashptr, int start, int end); +int bsp_flash_write_range(volatile unsigned short *flashptr, bsp_mnode_t *chain, int offset); + +rtems_isr_entry set_vector( + rtems_isr_entry handler, + rtems_vector_number vector, + int type +); + +/* + * Interrupt assignments + * Highest-priority listed first + */ +#define FEC_IRQ_LEVEL 4 +#define FEC_IRQ_RX_PRIORITY 7 +#define FEC_IRQ_TX_PRIORITY 6 + +#define PIT3_IRQ_LEVEL 4 +#define PIT3_IRQ_PRIORITY 0 + +#define UART0_IRQ_LEVEL 3 +#define UART0_IRQ_PRIORITY 7 +#define UART1_IRQ_LEVEL 3 +#define UART1_IRQ_PRIORITY 6 +#define UART2_IRQ_LEVEL 3 +#define UART2_IRQ_PRIORITY 5 + +/* + * Fake VME support + * This makes it easier to use EPICS driver support on this BSP. + */ +#define VME_AM_STD_SUP_ASCENDING 0x3f +#define VME_AM_STD_SUP_PGM 0x3e +#define VME_AM_STD_USR_ASCENDING 0x3b +#define VME_AM_STD_USR_PGM 0x3a +#define VME_AM_STD_SUP_DATA 0x3d +#define VME_AM_STD_USR_DATA 0x39 +#define VME_AM_EXT_SUP_ASCENDING 0x0f +#define VME_AM_EXT_SUP_PGM 0x0e +#define VME_AM_EXT_USR_ASCENDING 0x0b +#define VME_AM_EXT_USR_PGM 0x0a +#define VME_AM_EXT_SUP_DATA 0x0d +#define VME_AM_EXT_USR_DATA 0x09 +#define VME_AM_SUP_SHORT_IO 0x2d +#define VME_AM_USR_SHORT_IO 0x29 + +/* + * 'Extended' BSP support + */ +rtems_status_code bspExtInit(void); +typedef void (*BSP_VME_ISR_t)(void *usrArg, unsigned long vector); +BSP_VME_ISR_t BSP_getVME_isr(unsigned long vector, void **parg); +int BSP_installVME_isr(unsigned long vector, BSP_VME_ISR_t handler, void *usrArg); +int BSP_removeVME_isr(unsigned long vector, BSP_VME_ISR_t handler, void *usrArg); +int BSP_enableVME_int_lvl(unsigned int level); +int BSP_disableVME_int_lvl(unsigned int level); +int BSP_vme2local_adrs(unsigned am, unsigned long vmeaddr, unsigned long *plocaladdr); + +/* + * This BSP provides its own IDLE task to override the RTEMS one. + * So we prototype it and define the constant confdefs.h expects + * to configure a BSP specific one. + */ +void *bsp_idle_thread( uintptr_t ignored ); +#define BSP_IDLE_TASK_BODY bsp_idle_thread + +/* + * The custom IDLE task keeps some idle statistics. + */ +int bsp_cpu_load_percentage(void); + +/* + * This is a helper method to determine the cause of a reset. + */ +void bsp_reset_cause(char *buf, size_t capacity); + +/* + * SRAM. The BSP uses SRAM for maintaining some clock-driver data + * and for ethernet descriptors (and the initial stack during + * early boot). + */ + +typedef struct mcf5282BufferDescriptor_ { + volatile uint16_t status; + uint16_t length; + volatile void *buffer; +} mcf5282BufferDescriptor_t; + +extern struct { + uint32_t idle_counter; + uint32_t filtered_idle; + uint32_t max_idle_count; + uint32_t pitc_per_tick; + uint32_t nsec_per_pitc; + uint32_t pad[3]; /* align to 16-bytes for descriptors */ + mcf5282BufferDescriptor_t fec_descriptors[]; + /* buffer descriptors are allocated from here */ + + /* initial stack is at top of SRAM (start.S) */ +} __SRAMBASE; + +#ifdef __cplusplus +} +#endif + +#endif |