xref: /openbmc/linux/arch/mips/include/asm/sibyte/sb1250.h (revision 9cfc5c90)
1 /*
2  * Copyright (C) 2000, 2001, 2002, 2003 Broadcom Corporation
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
17  */
18 
19 #ifndef _ASM_SIBYTE_SB1250_H
20 #define _ASM_SIBYTE_SB1250_H
21 
22 /*
23  * yymmddpp: year, month, day, patch.
24  * should sync with Makefile EXTRAVERSION
25  */
26 #define SIBYTE_RELEASE 0x02111403
27 
28 #define SB1250_NR_IRQS 64
29 
30 #define BCM1480_NR_IRQS			128
31 #define BCM1480_NR_IRQS_HALF		64
32 
33 #define SB1250_DUART_MINOR_BASE		64
34 
35 #ifndef __ASSEMBLY__
36 
37 #include <asm/addrspace.h>
38 
39 /* For revision/pass information */
40 #include <asm/sibyte/sb1250_scd.h>
41 #include <asm/sibyte/bcm1480_scd.h>
42 extern unsigned int sb1_pass;
43 extern unsigned int soc_pass;
44 extern unsigned int soc_type;
45 extern unsigned int periph_rev;
46 extern unsigned int zbbus_mhz;
47 
48 extern void sb1250_time_init(void);
49 extern void sb1250_mask_irq(int cpu, int irq);
50 extern void sb1250_unmask_irq(int cpu, int irq);
51 
52 extern void bcm1480_time_init(void);
53 extern void bcm1480_mask_irq(int cpu, int irq);
54 extern void bcm1480_unmask_irq(int cpu, int irq);
55 
56 #define AT_spin \
57 	__asm__ __volatile__ (		\
58 		".set noat\n"		\
59 		"li $at, 0\n"		\
60 		"1: beqz $at, 1b\n"	\
61 		".set at\n"		\
62 		)
63 
64 #endif
65 
66 #define IOADDR(a) ((void __iomem *)(IO_BASE + (a)))
67 
68 #endif
69