1 //==========================================================================
5 // HAL platform miscellaneous functions
7 //==========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
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38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //==========================================================================
41 //#####DESCRIPTIONBEGIN####
43 // Author(s): yoshinori sato
44 // Contributors: yoshinori sato
46 // Purpose: HAL miscellaneous functions
47 // Description: This file contains miscellaneous functions provided by the
50 //####DESCRIPTIONEND####
52 //========================================================================*/
54 #include <pkgconf/hal.h>
56 #include <cyg/infra/cyg_type.h> // Base types
58 #include <cyg/hal/hal_arch.h> // architectural definitions
59 #include <cyg/hal/hal_io.h>
60 #include <cyg/hal/hal_if.h>
61 #include <cyg/hal/plf_intr.h>
62 #include <cyg/hal/var_arch.h>
64 /*------------------------------------------------------------------------*/
66 void hal_platform_init(void)
73 __asm__ ("jmp @@4\n\t");
76 /*------------------------------------------------------------------------*/
77 /* Control C ISR support */
79 #if defined(CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT)
81 struct Hal_SavedRegisters *hal_saved_interrupt_state;
85 /*------------------------------------------------------------------------*/
88 void hal_clock_initialize(cyg_uint32 period)
92 #if CYGNUM_HAL_H8300_RTC_PRESCALE == 8
95 #if CYGNUM_HAL_H8300_RTC_PRESCALE == 64
98 #if CYGNUM_HAL_H8300_RTC_PRESCALE == 8192
101 #error illigal RTC prescale setting
105 HAL_READ_UINT8(CYGARC_MSTPCRL, tmp);
107 HAL_WRITE_UINT8(CYGARC_MSTPCRL, tmp);
108 HAL_WRITE_UINT8(CYGARC_8TCORA1, period);
109 HAL_WRITE_UINT8(CYGARC_8TCNT1, 0x00);
110 HAL_WRITE_UINT8(CYGARC_8TCR1, 0x48 | prescale);
111 HAL_WRITE_UINT8(CYGARC_8TCSR1, 0x00);
114 void hal_clock_reset(cyg_uint32 vector, cyg_uint32 period)
116 HAL_WRITE_UINT8(CYGARC_8TCR1,0x00);
117 HAL_WRITE_UINT8(CYGARC_8TCSR1,0x00);
118 hal_clock_initialize(period);
121 void hal_clock_read(cyg_uint32 *pvalue)
124 HAL_READ_UINT8(CYGARC_8TCNT1,val);
128 /*------------------------------------------------------------------------*/
129 /* End of plf_misc.c */