48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
#ifndef __KERNEL_ARCH_SH7305_TMU_H__
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# define __KERNEL_ARCH_SH7305_TMU_H__
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#include <stdint.h>
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#include <stddef.h>
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#include <kernel/bits/union_types.h>
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#include <kernel/bits/attributes.h>
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struct __sh7305_tmu_context
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{
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uint8_t tstr;
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struct {
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uint32_t tcor;
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uint32_t tcnt;
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uint16_t tcr;
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} timer[3];
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};
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struct timer_s
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{
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volatile uint32_t TCOR; /* Timer Constant register */
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volatile uint32_t TCNT; /* Timer Counter */
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volatile word_union(TCR, /* Timer Control Register */
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uint16_t const : 7; /* All 0 */
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uint16_t UNF : 1; /* Underflow flags */
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uint16_t const : 2; /* All 0 */
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uint16_t UNIE : 1; /* Underflow interrup control */
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uint16_t CKREG : 2; /* Input Clock edge */
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uint16_t TPSC : 3; /* Time prescaler */
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);
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GAPS(2);
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};
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struct __sh7305_tmu_s
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{
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volatile byte_union(TSTR, /* Timer Start Register */
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uint8_t const : 5; /* All 0 */
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uint8_t STR2 : 1; /* Counter start 2 */
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uint8_t STR1 : 1; /* Counter start 1 */
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uint8_t STR0 : 1; /* Counter start 0 */
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);
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GAPS(3);
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volatile struct timer_s TIMER[3]; /* Timers */
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};
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#define SH7305_TMU (*(volatile struct __sh7305_tmu_s *)0xa4490004)
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#endif /*__KERNEL_ARCH_SH7305_TMU_H__*/
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