78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
#ifndef __OSC_H__
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#define __OSC_H__
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#include "hal.h"
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#define OVLY_SEG(NAME) __attribute__((section(#NAME)))
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/*
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TYPES OF GENERAL EXCEPTION
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*/
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#define GE_ALIGN_CHECK 0
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#define GE_RESERVED_INST 1
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#define GE_TRAP 2
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#define GE_ARITHMETIC 3
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#define GE_PRECISE_BUS_ERR 4
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#define GE_INPRECISE_BUS_ERR 5
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#define GE_COPROCESSOR 6
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#define GE_PRIVILEGE_INST 7
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#define GE_RESERVED_VALUE 8
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#define GE_NON_EXIST_LOCAL_MEM 9
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#define GE_MPZIU_CTRL 10
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/*
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structure of overlay control registers
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Please define this structure based on your hardware design
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*/
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typedef struct
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{
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unsigned int reserved ;
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unsigned int root_size ;
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unsigned int base_addr ;
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unsigned int end_addr ;
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volatile unsigned int dma ;
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} OVLY_REGS ;
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typedef struct
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{
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unsigned long vma;
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unsigned long size;
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unsigned long lma;
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unsigned long mapped;
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} OVLY_TABLE ;
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typedef struct
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{
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unsigned int ipc;
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OVLY_REGS *povl;
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} OVL_CTRL;
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typedef struct {
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hal_queue_t queue;
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hal_thread_t th;
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OVL_CTRL povl_ctrl;
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} OSC_DRV_INFO;
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/* _novlys from overlay table in linker script stands for number of overlay regions. */
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extern int _novlys;
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extern OVLY_TABLE _ovly_table[] ;
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extern char __ovly_lmastart_OVL_RAM;
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static volatile int overlay_busy = 0;
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void __attribute__((no_prologue)) osc_init();
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int _osc_drv_init(void (*handler)(unsigned int ipc),
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void (*osc_hisr)(void *arg),
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OSC_DRV_INFO *osc_info);
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#ifdef CONFIG_OSC_DEBUG_SUPPORT
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#define OVLY_DEBUG
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#endif
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#endif
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