1 /*
2  * mrst.h: Intel Moorestown platform specific setup code
3  *
4  * (C) Copyright 2009 Intel Corporation
5  *
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
9  * of the License.
10  */
11 #ifndef _ASM_X86_MRST_H
12 #define _ASM_X86_MRST_H
13 
14 #include <linux/sfi.h>
15 
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[];
20 
21 /*
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.
27  */
28 enum mrst_cpu_type {
29 	MRST_CPU_CHIP_LINCROFT = 1,
30 	MRST_CPU_CHIP_PENWELL,
31 };
32 
33 extern enum mrst_cpu_type __mrst_cpu_chip;
mrst_identify_cpu(void)34 static inline enum mrst_cpu_type mrst_identify_cpu(void)
35 {
36 	return __mrst_cpu_chip;
37 }
38 
39 enum mrst_timer_options {
40 	MRST_TIMER_DEFAULT,
41 	MRST_TIMER_APBT_ONLY,
42 	MRST_TIMER_LAPIC_APBT,
43 };
44 
45 extern enum mrst_timer_options mrst_timer_options;
46 
47 #define SFI_MTMR_MAX_NUM 8
48 #define SFI_MRTC_MAX	8
49 
50 extern struct console early_mrst_console;
51 extern void mrst_early_console_init(void);
52 
53 extern struct console early_hsu_console;
54 extern void hsu_early_console_init(void);
55 
56 extern void intel_scu_devices_create(void);
57 extern void intel_scu_devices_destroy(void);
58 
59 /* VRTC timer */
60 #define MRST_VRTC_MAP_SZ	(1024)
61 /*#define MRST_VRTC_PGOFFSET	(0xc00) */
62 
63 extern void mrst_rtc_init(void);
64 
65 #endif /* _ASM_X86_MRST_H */
66