7309282c90
Moorestown platform doesn't have a m146818 RTC device like traditional x86 PC, but a firmware emulated virtual RTC device(vrtc), which provides some basic RTC functions like get/set time. vrtc serves as the only wall clock device on Moorestown platform. [ tglx: Changed the exports to _GPL ] Signed-off-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> LKML-Reference: <20101110172837.3311.40483.stgit@localhost.localdomain> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
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* mrst.h: Intel Moorestown platform specific setup code
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*
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* (C) Copyright 2009 Intel Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; version 2
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* of the License.
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*/
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#ifndef _ASM_X86_MRST_H
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#define _ASM_X86_MRST_H
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#include <linux/sfi.h>
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extern int pci_mrst_init(void);
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extern int __init sfi_parse_mrtc(struct sfi_table_header *table);
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extern int sfi_mrtc_num;
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extern struct sfi_rtc_table_entry sfi_mrtc_array[];
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/*
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* Medfield is the follow-up of Moorestown, it combines two chip solution into
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* one. Other than that it also added always-on and constant tsc and lapic
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* timers. Medfield is the platform name, and the chip name is called Penwell
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* we treat Medfield/Penwell as a variant of Moorestown. Penwell can be
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* identified via MSRs.
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*/
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enum mrst_cpu_type {
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MRST_CPU_CHIP_LINCROFT = 1,
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MRST_CPU_CHIP_PENWELL,
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};
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extern enum mrst_cpu_type __mrst_cpu_chip;
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static inline enum mrst_cpu_type mrst_identify_cpu(void)
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{
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return __mrst_cpu_chip;
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}
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enum mrst_timer_options {
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MRST_TIMER_DEFAULT,
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MRST_TIMER_APBT_ONLY,
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MRST_TIMER_LAPIC_APBT,
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};
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extern enum mrst_timer_options mrst_timer_options;
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#define SFI_MTMR_MAX_NUM 8
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#define SFI_MRTC_MAX 8
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extern struct console early_mrst_console;
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extern void mrst_early_console_init(void);
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extern struct console early_hsu_console;
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extern void hsu_early_console_init(void);
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extern void intel_scu_devices_create(void);
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extern void intel_scu_devices_destroy(void);
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/* VRTC timer */
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#define MRST_VRTC_MAP_SZ (1024)
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/*#define MRST_VRTC_PGOFFSET (0xc00) */
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extern void mrst_rtc_init(void);
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#endif /* _ASM_X86_MRST_H */
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