2 * mrst.h: Intel Moorestown platform specific setup code
4 * (C) Copyright 2009 Intel Corporation
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; version 2
11 #ifndef _ASM_X86_MRST_H
12 #define _ASM_X86_MRST_H
14 #include <linux/sfi.h>
16 extern int pci_mrst_init(void);
17 extern int __init sfi_parse_mrtc(struct sfi_table_header *table);
18 extern int sfi_mrtc_num;
19 extern struct sfi_rtc_table_entry sfi_mrtc_array[];
22 * Medfield is the follow-up of Moorestown, it combines two chip solution into
23 * one. Other than that it also added always-on and constant tsc and lapic
24 * timers. Medfield is the platform name, and the chip name is called Penwell
25 * we treat Medfield/Penwell as a variant of Moorestown. Penwell can be
26 * identified via MSRs.
29 /* 1 was Moorestown */
30 MRST_CPU_CHIP_PENWELL = 2,
33 extern enum mrst_cpu_type __mrst_cpu_chip;
35 #ifdef CONFIG_X86_INTEL_MID
37 static inline enum mrst_cpu_type mrst_identify_cpu(void)
39 return __mrst_cpu_chip;
42 #else /* !CONFIG_X86_INTEL_MID */
44 #define mrst_identify_cpu() (0)
46 #endif /* !CONFIG_X86_INTEL_MID */
48 enum mrst_timer_options {
51 MRST_TIMER_LAPIC_APBT,
54 extern enum mrst_timer_options mrst_timer_options;
57 * Penwell uses spread spectrum clock, so the freq number is not exactly
58 * the same as reported by MSR based on SDM.
60 #define PENWELL_FSB_FREQ_83SKU 83200
61 #define PENWELL_FSB_FREQ_100SKU 99840
63 #define SFI_MTMR_MAX_NUM 8
64 #define SFI_MRTC_MAX 8
66 extern struct console early_mrst_console;
67 extern void mrst_early_console_init(void);
69 extern struct console early_hsu_console;
70 extern void hsu_early_console_init(const char *);
72 extern void intel_scu_devices_create(void);
73 extern void intel_scu_devices_destroy(void);
76 #define MRST_VRTC_MAP_SZ (1024)
77 /*#define MRST_VRTC_PGOFFSET (0xc00) */
79 extern void mrst_rtc_init(void);
81 #endif /* _ASM_X86_MRST_H */