[9c448e1] | 1 | /* bsp.h |
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| 2 | * |
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| 3 | * This include file contains all board IO definitions. |
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| 4 | * |
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| 5 | * COPYRIGHT (c) 1989-1997. |
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| 6 | * On-Line Applications Research Corporation (OAR). |
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| 7 | * |
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| 8 | * The license and distribution terms for this file may in |
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| 9 | * the file LICENSE in this distribution or at |
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[b14e2f2] | 10 | * http://www.rtems.com/license/LICENSE. |
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[9c448e1] | 11 | * |
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| 12 | * $Id$ |
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| 13 | */ |
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| 14 | |
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| 15 | #ifndef __BSP_h |
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| 16 | #define __BSP_h |
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| 17 | |
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| 18 | #ifdef __cplusplus |
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| 19 | extern "C" { |
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| 20 | #endif |
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| 21 | |
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[d4f9cef5] | 22 | #include <bspopts.h> |
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| 23 | |
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[df49c60] | 24 | /* |
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| 25 | * confdefs.h overrides for this BSP: |
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| 26 | * - termios serial ports (defaults to 1) |
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| 27 | * - Interrupt stack space is not minimum if defined. |
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| 28 | */ |
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| 29 | |
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| 30 | #if (HAS_PMC_PSC8) |
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| 31 | #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS (4 + 4) |
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| 32 | #else |
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| 33 | #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS (4) |
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| 34 | #endif |
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| 35 | #define CONFIGURE_INTERRUPT_STACK_MEMORY (12 * 1024) |
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| 36 | |
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[9c448e1] | 37 | #ifdef ASM |
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| 38 | /* Definition of where to store registers in alignment handler */ |
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| 39 | #define ALIGN_REGS 0x0140 |
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| 40 | |
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| 41 | #else |
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| 42 | #include <rtems.h> |
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| 43 | #include <console.h> |
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| 44 | #include <clockdrv.h> |
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| 45 | #include <iosupp.h> |
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| 46 | |
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[f5e7b4c3] | 47 | /* |
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| 48 | * We no longer support the first generation board. |
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| 49 | */ |
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[9c448e1] | 50 | |
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| 51 | #include <gen2.h> |
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| 52 | |
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| 53 | /* |
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| 54 | * The following macro calculates the Baud constant. For the Z8530 chip. |
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| 55 | * |
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| 56 | * Note: baud constant = ((clock frequency / Clock_X) / (2 * Baud Rate)) - 2 |
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| 57 | * for the Score603e ((10,000,000 / 16) / (2 * Baud Rate)) - 2 |
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| 58 | */ |
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| 59 | #define _Score603e_Z8530_Baud( _frequency, _clock_by, _baud_rate ) \ |
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| 60 | ( (_frequency /( _clock_by * 2 * _baud_rate)) - 2) |
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| 61 | |
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| 62 | #define Score603e_Z8530_Chip1_Baud( _value ) \ |
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| 63 | _Score603e_Z8530_Baud( SCORE603E_85C30_1_CLOCK, \ |
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| 64 | SCORE603E_85C30_1_CLOCK_X, _value ) |
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| 65 | |
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| 66 | #define Score603e_Z8530_Chip0_Baud( _value ) \ |
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| 67 | _Score603e_Z8530_Baud( SCORE603E_85C30_0_CLOCK, \ |
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| 68 | SCORE603E_85C30_0_CLOCK_X, _value ) |
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| 69 | |
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| 70 | #define Initialize_Board_ctrl_register() \ |
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| 71 | *SCORE603E_BOARD_CTRL_REG = (*SCORE603E_BOARD_CTRL_REG | \ |
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| 72 | SCORE603E_BRD_FLASH_DISABLE_MASK) \ |
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| 73 | |
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| 74 | /* |
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| 75 | * Define the time limits for RTEMS Test Suite test durations. |
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| 76 | * Long test and short test duration limits are provided. These |
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| 77 | * values are in seconds and need to be converted to ticks for the |
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| 78 | * application. |
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| 79 | * |
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| 80 | */ |
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| 81 | |
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| 82 | #define MAX_LONG_TEST_DURATION 300 /* 5 minutes = 300 seconds */ |
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| 83 | #define MAX_SHORT_TEST_DURATION 3 /* 3 seconds */ |
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| 84 | |
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| 85 | /* |
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| 86 | * Stuff for Time Test 27 |
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| 87 | */ |
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| 88 | |
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| 89 | #define MUST_WAIT_FOR_INTERRUPT 1 |
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| 90 | |
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| 91 | #define Install_tm27_vector( _handler ) \ |
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| 92 | set_vector( (_handler), PPC_IRQ_DECREMENTER, 1 ) |
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| 93 | |
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| 94 | #define Cause_tm27_intr() \ |
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| 95 | do { \ |
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| 96 | unsigned32 _clicks = 8; \ |
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| 97 | asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \ |
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| 98 | } while (0) |
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| 99 | |
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| 100 | |
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| 101 | #define Clear_tm27_intr() \ |
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| 102 | do { \ |
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| 103 | unsigned32 _clicks = 0xffffffff; \ |
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| 104 | asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \ |
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| 105 | } while (0) |
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| 106 | |
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| 107 | #define Lower_tm27_intr() \ |
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| 108 | do { \ |
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| 109 | unsigned32 _msr = 0; \ |
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| 110 | _ISR_Set_level( 0 ); \ |
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| 111 | asm volatile( "mfmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \ |
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| 112 | _msr |= 0x8002; \ |
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| 113 | asm volatile( "mtmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \ |
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| 114 | } while (0) |
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| 115 | |
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| 116 | |
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| 117 | /* Constants */ |
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| 118 | |
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| 119 | /* |
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| 120 | * Device Driver Table Entries |
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| 121 | */ |
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| 122 | |
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| 123 | /* |
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| 124 | * NOTE: Use the standard Console driver entry |
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| 125 | */ |
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| 126 | |
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| 127 | /* |
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| 128 | * NOTE: Use the standard Clock driver entry |
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| 129 | */ |
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| 130 | |
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| 131 | |
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| 132 | /* |
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| 133 | * Information placed in the linkcmds file. |
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| 134 | */ |
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| 135 | |
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| 136 | extern int RAM_START; |
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| 137 | extern int RAM_END; |
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| 138 | extern int RAM_SIZE; |
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| 139 | |
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| 140 | extern int PROM_START; |
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| 141 | extern int PROM_END; |
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| 142 | extern int PROM_SIZE; |
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| 143 | |
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| 144 | extern int CLOCK_SPEED; |
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| 145 | extern int CPU_PPC_CLICKS_PER_MS; |
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| 146 | |
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| 147 | extern int end; /* last address in the program */ |
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| 148 | |
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| 149 | /* |
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| 150 | * How many libio files we want |
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| 151 | */ |
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| 152 | |
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| 153 | #define BSP_LIBIO_MAX_FDS 20 |
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| 154 | |
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| 155 | /* functions */ |
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| 156 | |
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| 157 | void bsp_start( void ); |
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| 158 | |
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| 159 | void bsp_cleanup( void ); |
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| 160 | |
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| 161 | rtems_isr_entry set_vector( /* returns old vector */ |
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| 162 | rtems_isr_entry handler, /* isr routine */ |
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| 163 | rtems_vector_number vector, /* vector number */ |
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| 164 | int type /* RTEMS or RAW intr */ |
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| 165 | ); |
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| 166 | |
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| 167 | /* |
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| 168 | * spurious.c |
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| 169 | */ |
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| 170 | rtems_isr bsp_stub_handler( |
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| 171 | rtems_vector_number trap |
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| 172 | ); |
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| 173 | rtems_isr bsp_spurious_handler( |
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| 174 | rtems_vector_number trap |
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| 175 | ); |
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| 176 | void bsp_spurious_initialize(); |
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| 177 | |
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| 178 | /* |
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| 179 | * genvec.c |
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| 180 | */ |
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| 181 | rtems_isr_entry set_EE_vector( |
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| 182 | rtems_isr_entry handler, /* isr routine */ |
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| 183 | rtems_vector_number vector /* vector number */ |
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| 184 | ); |
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| 185 | void initialize_external_exception_vector (); |
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| 186 | |
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| 187 | /* |
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| 188 | * console.c |
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| 189 | */ |
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| 190 | void DEBUG_puts( char *string ); |
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| 191 | |
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| 192 | void BSP_fatal_return( void ); |
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| 193 | |
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| 194 | /* |
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| 195 | * Hwr_init.c |
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| 196 | */ |
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| 197 | void init_PCI(); |
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| 198 | void instruction_cache_enable (); |
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| 199 | void data_cache_enable (); |
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| 200 | |
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| 201 | |
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| 202 | void initialize_PCI_bridge (); |
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| 203 | rtems_unsigned16 read_and_clear_irq (); |
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| 204 | void set_irq_mask( |
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| 205 | rtems_unsigned16 value |
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| 206 | ); |
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| 207 | rtems_unsigned16 get_irq_mask(); |
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| 208 | |
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| 209 | /* |
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| 210 | * universe.c |
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| 211 | */ |
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| 212 | void initialize_universe(); |
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| 213 | |
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| 214 | void set_irq_mask( |
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| 215 | rtems_unsigned16 value |
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| 216 | ); |
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| 217 | |
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| 218 | rtems_unsigned16 get_irq_mask(); |
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| 219 | |
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| 220 | void unmask_irq( |
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| 221 | rtems_unsigned16 irq_idx |
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| 222 | ); |
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| 223 | |
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| 224 | void init_irq_data_register(); |
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| 225 | |
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| 226 | rtems_unsigned16 read_and_clear_PMC_irq( |
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| 227 | rtems_unsigned16 irq |
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| 228 | ); |
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| 229 | |
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| 230 | rtems_boolean Is_PMC_IRQ( |
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| 231 | rtems_unsigned32 pmc_irq, |
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| 232 | rtems_unsigned16 status_word |
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| 233 | ); |
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| 234 | |
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| 235 | rtems_unsigned16 read_and_clear_irq(); |
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| 236 | |
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| 237 | /* |
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| 238 | * FPGA.c |
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| 239 | */ |
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| 240 | void initialize_PCI_bridge (); |
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| 241 | |
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| 242 | /* flash.c */ |
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| 243 | |
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| 244 | unsigned int SCORE603e_FLASH_Disable( |
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| 245 | rtems_unsigned32 unused |
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| 246 | ); |
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| 247 | unsigned int SCORE603e_FLASH_verify_enable(); |
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| 248 | unsigned int SCORE603e_FLASH_Enable_writes( |
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| 249 | rtems_unsigned32 area /* Unused */ |
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| 250 | ); |
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| 251 | |
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| 252 | #define Convert_Endian_32( _data ) \ |
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| 253 | ( ((_data&0x000000ff)<<24) | ((_data&0x0000ff00)<<8) | \ |
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| 254 | ((_data&0x00ff0000)>>8) | ((_data&0xff000000)>>24) ) |
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| 255 | |
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| 256 | #define Convert_Endian_16( _data ) \ |
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| 257 | ( ((_data&0x00ff)<<8) | ((_data&0xff00)>>8) ) |
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| 258 | |
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| 259 | extern rtems_configuration_table BSP_Configuration; /* owned by BSP */ |
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| 260 | extern rtems_cpu_table Cpu_table; /* owned by BSP */ |
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| 261 | extern rtems_unsigned32 bsp_isr_level; |
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| 262 | |
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| 263 | #endif /* ASM */ |
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| 264 | |
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| 265 | #ifdef __cplusplus |
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| 266 | } |
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| 267 | #endif |
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| 268 | |
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| 269 | #endif |
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| 270 | /* end of include file */ |
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| 271 | |
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