1/*
2 *  S390 version
3 *    Copyright IBM Corp. 1999, 2010
4 */
5#ifndef _ASM_S390_SETUP_H
6#define _ASM_S390_SETUP_H
7
8#include <linux/const.h>
9#include <uapi/asm/setup.h>
10
11
12#define PARMAREA		0x10400
13
14/*
15 * Machine features detected in head.S
16 */
17
18#define MACHINE_FLAG_VM		_BITUL(0)
19#define MACHINE_FLAG_IEEE	_BITUL(1)
20#define MACHINE_FLAG_CSP	_BITUL(2)
21#define MACHINE_FLAG_MVPG	_BITUL(3)
22#define MACHINE_FLAG_DIAG44	_BITUL(4)
23#define MACHINE_FLAG_IDTE	_BITUL(5)
24#define MACHINE_FLAG_DIAG9C	_BITUL(6)
25#define MACHINE_FLAG_KVM	_BITUL(8)
26#define MACHINE_FLAG_ESOP	_BITUL(9)
27#define MACHINE_FLAG_EDAT1	_BITUL(10)
28#define MACHINE_FLAG_EDAT2	_BITUL(11)
29#define MACHINE_FLAG_LPAR	_BITUL(12)
30#define MACHINE_FLAG_LPP	_BITUL(13)
31#define MACHINE_FLAG_TOPOLOGY	_BITUL(14)
32#define MACHINE_FLAG_TE		_BITUL(15)
33#define MACHINE_FLAG_TLB_LC	_BITUL(17)
34#define MACHINE_FLAG_VX		_BITUL(18)
35#define MACHINE_FLAG_CAD	_BITUL(19)
36
37#define LPP_MAGIC		_BITUL(31)
38#define LPP_PFAULT_PID_MASK	_AC(0xffffffff, UL)
39
40#ifndef __ASSEMBLY__
41
42#include <asm/lowcore.h>
43#include <asm/types.h>
44
45#define IPL_DEVICE        (*(unsigned long *)  (0x10400))
46#define INITRD_START      (*(unsigned long *)  (0x10408))
47#define INITRD_SIZE       (*(unsigned long *)  (0x10410))
48#define OLDMEM_BASE	  (*(unsigned long *)  (0x10418))
49#define OLDMEM_SIZE	  (*(unsigned long *)  (0x10420))
50#define COMMAND_LINE      ((char *)            (0x10480))
51
52extern int memory_end_set;
53extern unsigned long memory_end;
54extern unsigned long max_physmem_end;
55
56extern void detect_memory_memblock(void);
57
58#define MACHINE_IS_VM		(S390_lowcore.machine_flags & MACHINE_FLAG_VM)
59#define MACHINE_IS_KVM		(S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
60#define MACHINE_IS_LPAR		(S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
61
62#define MACHINE_HAS_DIAG9C	(S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
63#define MACHINE_HAS_ESOP	(S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
64#define MACHINE_HAS_PFMF	MACHINE_HAS_EDAT1
65#define MACHINE_HAS_HPAGE	MACHINE_HAS_EDAT1
66
67#define MACHINE_HAS_IDTE	(S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
68#define MACHINE_HAS_DIAG44	(S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
69#define MACHINE_HAS_EDAT1	(S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
70#define MACHINE_HAS_EDAT2	(S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
71#define MACHINE_HAS_LPP		(S390_lowcore.machine_flags & MACHINE_FLAG_LPP)
72#define MACHINE_HAS_TOPOLOGY	(S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
73#define MACHINE_HAS_TE		(S390_lowcore.machine_flags & MACHINE_FLAG_TE)
74#define MACHINE_HAS_TLB_LC	(S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC)
75#define MACHINE_HAS_VX		(S390_lowcore.machine_flags & MACHINE_FLAG_VX)
76#define MACHINE_HAS_CAD		(S390_lowcore.machine_flags & MACHINE_FLAG_CAD)
77
78/*
79 * Console mode. Override with conmode=
80 */
81extern unsigned int console_mode;
82extern unsigned int console_devno;
83extern unsigned int console_irq;
84
85extern char vmhalt_cmd[];
86extern char vmpoff_cmd[];
87
88#define CONSOLE_IS_UNDEFINED	(console_mode == 0)
89#define CONSOLE_IS_SCLP		(console_mode == 1)
90#define CONSOLE_IS_3215		(console_mode == 2)
91#define CONSOLE_IS_3270		(console_mode == 3)
92#define SET_CONSOLE_SCLP	do { console_mode = 1; } while (0)
93#define SET_CONSOLE_3215	do { console_mode = 2; } while (0)
94#define SET_CONSOLE_3270	do { console_mode = 3; } while (0)
95
96#define NSS_NAME_SIZE	8
97extern char kernel_nss_name[];
98
99#ifdef CONFIG_PFAULT
100extern int pfault_init(void);
101extern void pfault_fini(void);
102#else /* CONFIG_PFAULT */
103#define pfault_init()		({-1;})
104#define pfault_fini()		do { } while (0)
105#endif /* CONFIG_PFAULT */
106
107extern void cmma_init(void);
108
109extern void (*_machine_restart)(char *command);
110extern void (*_machine_halt)(void);
111extern void (*_machine_power_off)(void);
112
113#else /* __ASSEMBLY__ */
114
115#define IPL_DEVICE        0x10400
116#define INITRD_START      0x10408
117#define INITRD_SIZE       0x10410
118#define OLDMEM_BASE	  0x10418
119#define OLDMEM_SIZE	  0x10420
120#define COMMAND_LINE      0x10480
121
122#endif /* __ASSEMBLY__ */
123#endif /* _ASM_S390_SETUP_H */
124