xref: /OK3568_Linux_fs/kernel/arch/mips/include/asm/sibyte/sb1250.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2000, 2001, 2002, 2003 Broadcom Corporation
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #ifndef _ASM_SIBYTE_SB1250_H
7*4882a593Smuzhiyun #define _ASM_SIBYTE_SB1250_H
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun /*
10*4882a593Smuzhiyun  * yymmddpp: year, month, day, patch.
11*4882a593Smuzhiyun  * should sync with Makefile EXTRAVERSION
12*4882a593Smuzhiyun  */
13*4882a593Smuzhiyun #define SIBYTE_RELEASE 0x02111403
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #define SB1250_NR_IRQS 64
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #define BCM1480_NR_IRQS			128
18*4882a593Smuzhiyun #define BCM1480_NR_IRQS_HALF		64
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #define SB1250_DUART_MINOR_BASE		64
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #ifndef __ASSEMBLY__
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #include <asm/addrspace.h>
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun /* For revision/pass information */
27*4882a593Smuzhiyun #include <asm/sibyte/sb1250_scd.h>
28*4882a593Smuzhiyun #include <asm/sibyte/bcm1480_scd.h>
29*4882a593Smuzhiyun extern unsigned int sb1_pass;
30*4882a593Smuzhiyun extern unsigned int soc_pass;
31*4882a593Smuzhiyun extern unsigned int soc_type;
32*4882a593Smuzhiyun extern unsigned int periph_rev;
33*4882a593Smuzhiyun extern unsigned int zbbus_mhz;
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun extern void sb1250_time_init(void);
36*4882a593Smuzhiyun extern void sb1250_mask_irq(int cpu, int irq);
37*4882a593Smuzhiyun extern void sb1250_unmask_irq(int cpu, int irq);
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun extern void bcm1480_time_init(void);
40*4882a593Smuzhiyun extern void bcm1480_mask_irq(int cpu, int irq);
41*4882a593Smuzhiyun extern void bcm1480_unmask_irq(int cpu, int irq);
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun #define AT_spin \
44*4882a593Smuzhiyun 	__asm__ __volatile__ (		\
45*4882a593Smuzhiyun 		".set noat\n"		\
46*4882a593Smuzhiyun 		"li $at, 0\n"		\
47*4882a593Smuzhiyun 		"1: beqz $at, 1b\n"	\
48*4882a593Smuzhiyun 		".set at\n"		\
49*4882a593Smuzhiyun 		)
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #endif
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun #define IOADDR(a) ((void __iomem *)(IO_BASE + (a)))
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun #endif
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