arch/mips/include/asm/sibyte/sb1250.h

   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