[deliverable/linux.git] / arch / s390 / include / asm / setup.h

/*
 *  S390 version
 *    Copyright IBM Corp. 1999, 2010
 */
#ifndef _ASM_S390_SETUP_H
#define _ASM_S390_SETUP_H

#include <uapi/asm/setup.h>


#define PARMAREA		0x10400
#define MEMORY_CHUNKS		256

#ifndef __ASSEMBLY__

#include <asm/lowcore.h>
#include <asm/types.h>

#ifndef CONFIG_64BIT
#define IPL_DEVICE        (*(unsigned long *)  (0x10404))
#define INITRD_START      (*(unsigned long *)  (0x1040C))
#define INITRD_SIZE       (*(unsigned long *)  (0x10414))
#define OLDMEM_BASE	  (*(unsigned long *)  (0x1041C))
#define OLDMEM_SIZE	  (*(unsigned long *)  (0x10424))
#else /* CONFIG_64BIT */
#define IPL_DEVICE        (*(unsigned long *)  (0x10400))
#define INITRD_START      (*(unsigned long *)  (0x10408))
#define INITRD_SIZE       (*(unsigned long *)  (0x10410))
#define OLDMEM_BASE	  (*(unsigned long *)  (0x10418))
#define OLDMEM_SIZE	  (*(unsigned long *)  (0x10420))
#endif /* CONFIG_64BIT */
#define COMMAND_LINE      ((char *)            (0x10480))

#define CHUNK_READ_WRITE 0
#define CHUNK_READ_ONLY  1

struct mem_chunk {
	unsigned long addr;
	unsigned long size;
	int type;
};

extern struct mem_chunk memory_chunk[];
extern int memory_end_set;
extern unsigned long memory_end;

void detect_memory_layout(struct mem_chunk chunk[], unsigned long maxsize);
void create_mem_hole(struct mem_chunk mem_chunk[], unsigned long addr,
		     unsigned long size);

/*
 * Machine features detected in head.S
 */

#define MACHINE_FLAG_VM		(1UL << 0)
#define MACHINE_FLAG_IEEE	(1UL << 1)
#define MACHINE_FLAG_CSP	(1UL << 2)
#define MACHINE_FLAG_MVPG	(1UL << 3)
#define MACHINE_FLAG_DIAG44	(1UL << 4)
#define MACHINE_FLAG_IDTE	(1UL << 5)
#define MACHINE_FLAG_DIAG9C	(1UL << 6)
#define MACHINE_FLAG_KVM	(1UL << 8)
#define MACHINE_FLAG_ESOP	(1UL << 9)
#define MACHINE_FLAG_EDAT1	(1UL << 10)
#define MACHINE_FLAG_EDAT2	(1UL << 11)
#define MACHINE_FLAG_LPAR	(1UL << 12)
#define MACHINE_FLAG_LPP	(1UL << 13)
#define MACHINE_FLAG_TOPOLOGY	(1UL << 14)
#define MACHINE_FLAG_TE		(1UL << 15)
#define MACHINE_FLAG_RRBM	(1UL << 16)

#define MACHINE_IS_VM		(S390_lowcore.machine_flags & MACHINE_FLAG_VM)
#define MACHINE_IS_KVM		(S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
#define MACHINE_IS_LPAR		(S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)

#define MACHINE_HAS_DIAG9C	(S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
#define MACHINE_HAS_ESOP	(S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
#define MACHINE_HAS_PFMF	MACHINE_HAS_EDAT1
#define MACHINE_HAS_HPAGE	MACHINE_HAS_EDAT1

#ifndef CONFIG_64BIT
#define MACHINE_HAS_IEEE	(S390_lowcore.machine_flags & MACHINE_FLAG_IEEE)
#define MACHINE_HAS_CSP		(S390_lowcore.machine_flags & MACHINE_FLAG_CSP)
#define MACHINE_HAS_IDTE	(0)
#define MACHINE_HAS_DIAG44	(1)
#define MACHINE_HAS_MVPG	(S390_lowcore.machine_flags & MACHINE_FLAG_MVPG)
#define MACHINE_HAS_EDAT1	(0)
#define MACHINE_HAS_EDAT2	(0)
#define MACHINE_HAS_LPP		(0)
#define MACHINE_HAS_TOPOLOGY	(0)
#define MACHINE_HAS_TE		(0)
#define MACHINE_HAS_RRBM	(0)
#else /* CONFIG_64BIT */
#define MACHINE_HAS_IEEE	(1)
#define MACHINE_HAS_CSP		(1)
#define MACHINE_HAS_IDTE	(S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
#define MACHINE_HAS_DIAG44	(S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
#define MACHINE_HAS_MVPG	(1)
#define MACHINE_HAS_EDAT1	(S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
#define MACHINE_HAS_EDAT2	(S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
#define MACHINE_HAS_LPP		(S390_lowcore.machine_flags & MACHINE_FLAG_LPP)
#define MACHINE_HAS_TOPOLOGY	(S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
#define MACHINE_HAS_TE		(S390_lowcore.machine_flags & MACHINE_FLAG_TE)
#define MACHINE_HAS_RRBM	(S390_lowcore.machine_flags & MACHINE_FLAG_RRBM)
#endif /* CONFIG_64BIT */

/*
 * Console mode. Override with conmode=
 */
extern unsigned int console_mode;
extern unsigned int console_devno;
extern unsigned int console_irq;

extern char vmhalt_cmd[];
extern char vmpoff_cmd[];

#define CONSOLE_IS_UNDEFINED	(console_mode == 0)
#define CONSOLE_IS_SCLP		(console_mode == 1)
#define CONSOLE_IS_3215		(console_mode == 2)
#define CONSOLE_IS_3270		(console_mode == 3)
#define SET_CONSOLE_SCLP	do { console_mode = 1; } while (0)
#define SET_CONSOLE_3215	do { console_mode = 2; } while (0)
#define SET_CONSOLE_3270	do { console_mode = 3; } while (0)

#define NSS_NAME_SIZE	8
extern char kernel_nss_name[];

#ifdef CONFIG_PFAULT
extern int pfault_init(void);
extern void pfault_fini(void);
#else /* CONFIG_PFAULT */
#define pfault_init()		({-1;})
#define pfault_fini()		do { } while (0)
#endif /* CONFIG_PFAULT */

extern void cmma_init(void);

extern void (*_machine_restart)(char *command);
extern void (*_machine_halt)(void);
extern void (*_machine_power_off)(void);

#else /* __ASSEMBLY__ */

#ifndef CONFIG_64BIT
#define IPL_DEVICE        0x10404
#define INITRD_START      0x1040C
#define INITRD_SIZE       0x10414
#define OLDMEM_BASE	  0x1041C
#define OLDMEM_SIZE	  0x10424
#else /* CONFIG_64BIT */
#define IPL_DEVICE        0x10400
#define INITRD_START      0x10408
#define INITRD_SIZE       0x10410
#define OLDMEM_BASE	  0x10418
#define OLDMEM_SIZE	  0x10420
#endif /* CONFIG_64BIT */
#define COMMAND_LINE      0x10480

#endif /* __ASSEMBLY__ */
#endif /* _ASM_S390_SETUP_H */
Commit	Line	Data
1da177e4	1	/*
1da177e4	2	* S390 version
a53c8fab	3	* Copyright IBM Corp. 1999, 2010
1da177e4	4	*/
1da177e4 LT	5	#ifndef _ASM_S390_SETUP_H
	6	#define _ASM_S390_SETUP_H
	7
9807f759	8	#include <uapi/asm/setup.h>
7d1362c0	9
0defa3c1	10
1da177e4	11	#define PARMAREA 0x10400
23d17421	12	#define MEMORY_CHUNKS 256
1da177e4 LT	13
	14	#ifndef __ASSEMBLY__
	15
cbb870c8 HC	16	#include <asm/lowcore.h>
	17	#include <asm/types.h>
	18
f4815ac6	19	#ifndef CONFIG_64BIT
1da177e4 LT	20	#define IPL_DEVICE ((unsigned long ) (0x10404))
	21	#define INITRD_START ((unsigned long ) (0x1040C))
	22	#define INITRD_SIZE ((unsigned long ) (0x10414))
60a0c68d MH	23	#define OLDMEM_BASE ((unsigned long ) (0x1041C))
60a0c68d MH	24	#define OLDMEM_SIZE ((unsigned long ) (0x10424))
f4815ac6	25	#else /* CONFIG_64BIT */
1da177e4 LT	26	#define IPL_DEVICE ((unsigned long ) (0x10400))
	27	#define INITRD_START ((unsigned long ) (0x10408))
	28	#define INITRD_SIZE ((unsigned long ) (0x10410))
60a0c68d MH	29	#define OLDMEM_BASE ((unsigned long ) (0x10418))
60a0c68d MH	30	#define OLDMEM_SIZE ((unsigned long ) (0x10420))
f4815ac6	31	#endif /* CONFIG_64BIT */
1da177e4 LT	32	#define COMMAND_LINE ((char *) (0x10480))
1da177e4 LT	33
36a2bd42 HC	34	#define CHUNK_READ_WRITE 0
	35	#define CHUNK_READ_ONLY 1
	36
	37	struct mem_chunk {
	38	unsigned long addr;
	39	unsigned long size;
23d17421	40	int type;
36a2bd42 HC	41	};
	42
	43	extern struct mem_chunk memory_chunk[];
23d75d9c HC	44	extern int memory_end_set;
23d75d9c HC	45	extern unsigned long memory_end;
36a2bd42	46
df1bd59c	47	void detect_memory_layout(struct mem_chunk chunk[], unsigned long maxsize);
996b4a7d HC	48	void create_mem_hole(struct mem_chunk mem_chunk[], unsigned long addr,
996b4a7d HC	49	unsigned long size);
23d17421	50
1da177e4 LT	51	/*
	52	* Machine features detected in head.S
	53	*/
1da177e4	54
2e5061e4 HC	55	#define MACHINE_FLAG_VM (1UL << 0)
2e5061e4 HC	56	#define MACHINE_FLAG_IEEE (1UL << 1)
abf09bed MS	57	#define MACHINE_FLAG_CSP (1UL << 2)
	58	#define MACHINE_FLAG_MVPG (1UL << 3)
	59	#define MACHINE_FLAG_DIAG44 (1UL << 4)
	60	#define MACHINE_FLAG_IDTE (1UL << 5)
	61	#define MACHINE_FLAG_DIAG9C (1UL << 6)
abf09bed MS	62	#define MACHINE_FLAG_KVM (1UL << 8)
abf09bed MS	63	#define MACHINE_FLAG_ESOP (1UL << 9)
3c7ef08b	64	#define MACHINE_FLAG_EDAT1 (1UL << 10)
85e9d0e5	65	#define MACHINE_FLAG_EDAT2 (1UL << 11)
27d71602	66	#define MACHINE_FLAG_LPAR (1UL << 12)
23d18e8d	67	#define MACHINE_FLAG_LPP (1UL << 13)
9186d7a9	68	#define MACHINE_FLAG_TOPOLOGY (1UL << 14)
d35339a4	69	#define MACHINE_FLAG_TE (1UL << 15)
1ae1c1d0	70	#define MACHINE_FLAG_RRBM (1UL << 16)
2e5061e4	71
25097bf1 CE	72	#define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
25097bf1 CE	73	#define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
27d71602 MS	74	#define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
27d71602 MS	75
25097bf1	76	#define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
abf09bed	77	#define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
3c7ef08b HC	78	#define MACHINE_HAS_PFMF MACHINE_HAS_EDAT1
3c7ef08b HC	79	#define MACHINE_HAS_HPAGE MACHINE_HAS_EDAT1
1da177e4	80
f4815ac6	81	#ifndef CONFIG_64BIT
25097bf1 CE	82	#define MACHINE_HAS_IEEE (S390_lowcore.machine_flags & MACHINE_FLAG_IEEE)
25097bf1 CE	83	#define MACHINE_HAS_CSP (S390_lowcore.machine_flags & MACHINE_FLAG_CSP)
2e5061e4	84	#define MACHINE_HAS_IDTE (0)
abdba61a	85	#define MACHINE_HAS_DIAG44 (1)
25097bf1	86	#define MACHINE_HAS_MVPG (S390_lowcore.machine_flags & MACHINE_FLAG_MVPG)
3c7ef08b	87	#define MACHINE_HAS_EDAT1 (0)
85e9d0e5	88	#define MACHINE_HAS_EDAT2 (0)
23d18e8d	89	#define MACHINE_HAS_LPP (0)
9186d7a9	90	#define MACHINE_HAS_TOPOLOGY (0)
1ae1c1d0 GS	91	#define MACHINE_HAS_TE (0)
1ae1c1d0 GS	92	#define MACHINE_HAS_RRBM (0)
f4815ac6	93	#else /* CONFIG_64BIT */
1da177e4 LT	94	#define MACHINE_HAS_IEEE (1)
1da177e4 LT	95	#define MACHINE_HAS_CSP (1)
25097bf1 CE	96	#define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
25097bf1 CE	97	#define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
2e5061e4	98	#define MACHINE_HAS_MVPG (1)
3c7ef08b	99	#define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
85e9d0e5	100	#define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
23d18e8d	101	#define MACHINE_HAS_LPP (S390_lowcore.machine_flags & MACHINE_FLAG_LPP)
9186d7a9	102	#define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
d35339a4	103	#define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE)
1ae1c1d0	104	#define MACHINE_HAS_RRBM (S390_lowcore.machine_flags & MACHINE_FLAG_RRBM)
f4815ac6	105	#endif /* CONFIG_64BIT */
1da177e4	106
1da177e4 LT	107	/*
	108	* Console mode. Override with conmode=
	109	*/
	110	extern unsigned int console_mode;
	111	extern unsigned int console_devno;
	112	extern unsigned int console_irq;
	113
2b67fc46 HC	114	extern char vmhalt_cmd[];
	115	extern char vmpoff_cmd[];
	116
1da177e4 LT	117	#define CONSOLE_IS_UNDEFINED (console_mode == 0)
	118	#define CONSOLE_IS_SCLP (console_mode == 1)
	119	#define CONSOLE_IS_3215 (console_mode == 2)
	120	#define CONSOLE_IS_3270 (console_mode == 3)
	121	#define SET_CONSOLE_SCLP do { console_mode = 1; } while (0)
	122	#define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
	123	#define SET_CONSOLE_3270 do { console_mode = 3; } while (0)
	124
fe355b7f	125	#define NSS_NAME_SIZE 8
fe355b7f HY	126	extern char kernel_nss_name[];
fe355b7f HY	127
a0616cde DH	128	#ifdef CONFIG_PFAULT
	129	extern int pfault_init(void);
	130	extern void pfault_fini(void);
	131	#else /* CONFIG_PFAULT */
	132	#define pfault_init() ({-1;})
	133	#define pfault_fini() do { } while (0)
	134	#endif /* CONFIG_PFAULT */
	135
	136	extern void cmma_init(void);
	137
	138	extern void (_machine_restart)(char command);
	139	extern void (*_machine_halt)(void);
	140	extern void (*_machine_power_off)(void);
	141
0defa3c1	142	#else /* __ASSEMBLY__ */
1da177e4	143
f4815ac6	144	#ifndef CONFIG_64BIT
1da177e4 LT	145	#define IPL_DEVICE 0x10404
	146	#define INITRD_START 0x1040C
	147	#define INITRD_SIZE 0x10414
60a0c68d MH	148	#define OLDMEM_BASE 0x1041C
60a0c68d MH	149	#define OLDMEM_SIZE 0x10424
f4815ac6	150	#else /* CONFIG_64BIT */
1da177e4 LT	151	#define IPL_DEVICE 0x10400
	152	#define INITRD_START 0x10408
	153	#define INITRD_SIZE 0x10410
60a0c68d MH	154	#define OLDMEM_BASE 0x10418
60a0c68d MH	155	#define OLDMEM_SIZE 0x10420
f4815ac6	156	#endif /* CONFIG_64BIT */
1da177e4 LT	157	#define COMMAND_LINE 0x10480
1da177e4 LT	158
0defa3c1	159	#endif /* __ASSEMBLY__ */
0defa3c1	160	#endif /* _ASM_S390_SETUP_H */