cregit-Linux how code gets into the kernel

Release 4.14 arch/x86/include/asm/apb_timer.h

/*
 * apb_timer.h: Driver for Langwell APB timer based on Synopsis DesignWare
 *
 * (C) Copyright 2009 Intel Corporation
 * Author: Jacob Pan (jacob.jun.pan@intel.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; version 2
 * of the License.
 *
 * Note:
 */

#ifndef ASM_X86_APBT_H

#define ASM_X86_APBT_H
#include <linux/sfi.h>

#ifdef CONFIG_APB_TIMER

/* default memory mapped register base */

#define LNW_SCU_ADDR           0xFF100000

#define LNW_EXT_TIMER_OFFSET   0x1B800

#define APBT_DEFAULT_BASE      (LNW_SCU_ADDR+LNW_EXT_TIMER_OFFSET)

#define LNW_EXT_TIMER_PGOFFSET         0x800

/* APBT clock speed range from PCLK to fabric base, 25-100MHz */

#define APBT_MAX_FREQ          50000000

#define APBT_MIN_FREQ          1000000

#define APBT_MMAP_SIZE         1024


#define APBT_DEV_USED  1

extern void apbt_time_init(void);
extern unsigned long apbt_quick_calibrate(void);
extern int arch_setup_apbt_irqs(int irq, int trigger, int mask, int cpu);
extern void apbt_setup_secondary_clock(void);

extern struct sfi_timer_table_entry *sfi_get_mtmr(int hint);
extern void sfi_free_mtmr(struct sfi_timer_table_entry *mtmr);
extern int sfi_mtimer_num;

#else /* CONFIG_APB_TIMER */


static inline unsigned long apbt_quick_calibrate(void) {return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Jacob jun Pan13100.00%1100.00%
Total13100.00%1100.00%


static inline void apbt_time_init(void) { }

Contributors

PersonTokensPropCommitsCommitProp
Jacob jun Pan787.50%150.00%
Jesper Juhl112.50%150.00%
Total8100.00%2100.00%

#endif #endif /* ASM_X86_APBT_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Jacob jun Pan13697.84%133.33%
Jamie Iles21.44%133.33%
Jesper Juhl10.72%133.33%
Total139100.00%3100.00%
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