/* bsp.h * * This include file contains all MVME162fx board IO definitions. * * COPYRIGHT (c) 1989-1998. * On-Line Applications Research Corporation (OAR). * Copyright assigned to U.S. Government, 1994. * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.OARcorp.com/rtems/license.html. * * Modifications of respective RTEMS file: COPYRIGHT (c) 1994. * EISCAT Scientific Association. M.Savitski * * This material is a part of the MVME162 Board Support Package * for the RTEMS executive. Its licensing policies are those of the * RTEMS above. * * $Id$ */ #ifndef __MVME162_h #define __MVME162_h #ifdef __cplusplus extern "C" { #endif #include #include #include #include /* * Following defines must reflect the setup of the particular MVME162 */ #define GROUP_BASE_ADDRESS 0x0000F200 #define BOARD_BASE_ADDRESS 0xFFFF0000 /* Base for local interrupters' vectors (with enable bit set) */ #define MASK_INT 0x00800000 #define VBR0 0x6 #define VBR1 0x7 /* RAM limits */ #define RAM_START 0x00100000 #define RAM_END 0x00200000 /* * ---------------------------------- */ typedef volatile struct { unsigned long slave_adr[2]; unsigned long slave_trn[2]; unsigned long slave_ctl; unsigned long mastr_adr[4]; unsigned long mastr_trn; unsigned long mastr_att; unsigned long mastr_ctl; unsigned long dma_ctl_1; unsigned long dma_ctl_2; unsigned long dma_loc_cnt; unsigned long dma_vme_cnt; unsigned long dma_byte_cnt; unsigned long dma_adr_cnt; unsigned long dma_status; unsigned long to_ctl; unsigned long timer_cmp_1; unsigned long timer_cnt_1; unsigned long timer_cmp_2; unsigned long timer_cnt_2; unsigned long board_ctl; unsigned long prescaler_cnt; unsigned long intr_stat; unsigned long intr_ena; unsigned long intr_soft_set; unsigned long intr_clear; unsigned long intr_level[4]; unsigned long vector_base; } lcsr_regs; #define lcsr ((lcsr_regs * const) 0xFFF40000) typedef volatile struct { unsigned char chipID; unsigned char chipREV; unsigned char gen_control; unsigned char vector_base; unsigned long timer_cmp_1; unsigned long timer_cnt_1; unsigned long timer_cmp_2; unsigned long timer_cnt_2; unsigned char LSB_prescaler_count; unsigned char prescaler_clock_adjust; unsigned char time_ctl_2; unsigned char time_ctl_1; unsigned char time_int_ctl_4; unsigned char time_int_ctl_3; unsigned char time_int_ctl_2; unsigned char time_int_ctl_1; unsigned char dram_err_int_ctl; unsigned char SCC_int_ctl; unsigned char time_ctl_4; unsigned char time_ctl_3; unsigned short DRAM_space_base; unsigned short SRAM_space_base; unsigned char DRAM_size; unsigned char DRAM_SRAM_opt; unsigned char SRAM_size; unsigned char reserved; unsigned char LANC_error; unsigned char reserved1; unsigned char LANC_int_ctl; unsigned char LANC_berr_ctl; unsigned char SCSI_error; unsigned char general_inputs; unsigned char MVME_162_version; unsigned char SCSI_int_ctl; unsigned long timer_cmp_3; unsigned long timer_cnt_3; unsigned long timer_cmp_4; unsigned long timer_cnt_4; unsigned char bus_clk; unsigned char PROM_acc_time_ctl; unsigned char FLASH_acc_time_ctl; unsigned char ABORT_int_ctl; unsigned char RESET_ctl; unsigned char watchdog_timer_ctl; unsigned char acc_watchdog_time_base_sel; unsigned char reserved2; unsigned char DRAM_ctl; unsigned char reserved4; unsigned char MPU_status; unsigned char reserved3; unsigned long prescaler_count; } mcchip_regs; #define mcchip ((mcchip_regs * const) 0xFFF42000) /*----------------------------------------------------------------*/ /* * SCC Z8523(0) defines and macros * ------------------------------- * Prototypes for the low-level serial io are also included here, * because such stuff is bsp-specific (yet). The function bodies * are in console.c * * NOTE from Eric Vaitl : * * I dropped RTEMS into a 162FX today (the MVME162-513). The 162FX has a * bug in the MC2 chip (revision 1) such that the SCC data register is * not accessible, it has to be accessed indirectly through the SCC * control register. */ enum {portB, portA}; rtems_boolean char_ready(int port, char *ch); char char_wait(int port); void char_put(int port, char ch); #define TX_BUFFER_EMPTY 0x04 #define RX_DATA_AVAILABLE 0x01 #define SCC_VECTOR 0x40 typedef volatile struct { unsigned char pad1; volatile unsigned char csr; unsigned char pad2; volatile unsigned char buf; } scc_regs; #define scc ((scc_regs * const) 0xFFF45000) #define ZWRITE0(port, v) (scc[port].csr = (unsigned char)(v)) #define ZREAD0(port) (scc[port].csr) #define ZREAD(port, n) (ZWRITE0(port, n), (scc[port].csr)) #define ZREADD(port) (scc[port].csr=0x08, scc[port].csr ) #define ZWRITE(port, n, v) (ZWRITE0(port, n), ZWRITE0(port, v)) #define ZWRITED(port, v) (scc[port].csr = 0x08, \ scc[port].csr = (unsigned char)(v)) /*----------------------------------------------------------------*/ /* * The following registers are located in the VMEbus short * IO space and respond to address modifier codes $29 and $2D. * On FORCE CPU use address gcsr_vme and device /dev/vme16d32. */ typedef volatile struct { unsigned char chip_revision; unsigned char chip_id; unsigned char lmsig; unsigned char board_scr; unsigned short gpr[6]; } gcsr_regs; #define gcsr_vme ((gcsr_regs * const) (GROUP_BASE_ADDRESS + BOARD_BASE_ADDRESS)) #define gcsr ((gcsr_regs * const) 0xFFF40100) /* * Define the time limits for RTEMS Test Suite test durations. * Long test and short test duration limits are provided. These * values are in seconds and need to be converted to ticks for the * application. * */ #define MAX_LONG_TEST_DURATION 300 /* 5 minutes = 300 seconds */ #define MAX_SHORT_TEST_DURATION 3 /* 3 seconds */ /* * Define the interrupt mechanism for Time Test 27 * * NOTE: We use software interrupt 0 */ #define MUST_WAIT_FOR_INTERRUPT 0 #define Install_tm27_vector( handler ) \ set_vector( (handler), VBR1 * 0x10 + 0x8, 1 ); \ lcsr->intr_level[2] |= 3; \ lcsr->intr_ena |= 0x100; #define Cause_tm27_intr() lcsr->intr_soft_set |= 0x100 #define Clear_tm27_intr() lcsr->intr_clear |= 0x100 #define Lower_tm27_intr() #ifdef M162_INIT #undef EXTERN #define EXTERN #else #undef EXTERN #define EXTERN extern #endif /* * Device Driver Table Entries */ /* * NOTE: Use the standard Console driver entry */ /* * NOTE: Use the standard Clock driver entry */ /* miscellaneous stuff assumed to exist */ extern rtems_configuration_table BSP_Configuration; extern m68k_isr_entry M68Kvec[]; /* vector table address */ /* functions */ void bsp_cleanup( void ); m68k_isr_entry set_vector( rtems_isr_entry handler, rtems_vector_number vector, int type ); #ifdef __cplusplus } #endif #endif /* end of include file */