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/*
* mrst.h: Intel Moorestown platform specific setup code
*
* (C) Copyright 2009 Intel Corporation
*
* 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.
*/
#ifndef _ASM_X86_MRST_H
#define _ASM_X86_MRST_H
#include <linux/sfi.h>
extern int pci_mrst_init(void);
extern int __init sfi_parse_mrtc(struct sfi_table_header *table);
extern int sfi_mrtc_num;
extern struct sfi_rtc_table_entry sfi_mrtc_array[];
/*
* Medfield is the follow-up of Moorestown, it combines two chip solution into
* one. Other than that it also added always-on and constant tsc and lapic
* timers. Medfield is the platform name, and the chip name is called Penwell
* we treat Medfield/Penwell as a variant of Moorestown. Penwell can be
* identified via MSRs.
*/
enum mrst_cpu_type {
MRST_CPU_CHIP_LINCROFT = 1,
MRST_CPU_CHIP_PENWELL,
};
extern enum mrst_cpu_type __mrst_cpu_chip;
#ifdef CONFIG_X86_INTEL_MID
static inline enum mrst_cpu_type mrst_identify_cpu(void)
{
return __mrst_cpu_chip;
}
#else /* !CONFIG_X86_INTEL_MID */
#define mrst_identify_cpu() (0)
#endif /* !CONFIG_X86_INTEL_MID */
enum mrst_timer_options {
MRST_TIMER_DEFAULT,
MRST_TIMER_APBT_ONLY,
MRST_TIMER_LAPIC_APBT,
};
extern enum mrst_timer_options mrst_timer_options;
/*
* Penwell uses spread spectrum clock, so the freq number is not exactly
* the same as reported by MSR based on SDM.
*/
#define PENWELL_FSB_FREQ_83SKU 83200
#define PENWELL_FSB_FREQ_100SKU 99840
#define SFI_MTMR_MAX_NUM 8
#define SFI_MRTC_MAX 8
extern struct console early_mrst_console;
extern void mrst_early_console_init(void);
extern struct console early_hsu_console;
extern void hsu_early_console_init(void);
extern void intel_scu_devices_create(void);
extern void intel_scu_devices_destroy(void);
/* VRTC timer */
#define MRST_VRTC_MAP_SZ (1024)
/*#define MRST_VRTC_PGOFFSET (0xc00) */
extern void mrst_rtc_init(void);
#endif /* _ASM_X86_MRST_H */
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