/*
* SNI specific definitions
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1997, 1998 by Ralf Baechle
* Copyright (C) 2006 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
*/
#ifndef __ASM_SNI_H
#define __ASM_SNI_H
#include <linux/irqreturn.h>
extern unsigned int sni_brd_type;
#define SNI_BRD_10 2
#define SNI_BRD_10NEW 3
#define SNI_BRD_TOWER_OASIC 4
#define SNI_BRD_MINITOWER 5
#define SNI_BRD_PCI_TOWER 6
#define SNI_BRD_RM200 7
#define SNI_BRD_PCI_MTOWER 8
#define SNI_BRD_PCI_DESKTOP 9
#define SNI_BRD_PCI_TOWER_CPLUS 10
#define SNI_BRD_PCI_MTOWER_CPLUS 11
/* RM400 cpu types */
#define SNI_CPU_M8021 0 x01
#define SNI_CPU_M8030 0 x04
#define SNI_CPU_M8031 0 x06
#define SNI_CPU_M8034 0 x0f
#define SNI_CPU_M8037 0 x07
#define SNI_CPU_M8040 0 x05
#define SNI_CPU_M8043 0 x09
#define SNI_CPU_M8050 0 x0b
#define SNI_CPU_M8053 0 x0d
#define SNI_PORT_BASE CKSEG1ADDR(0 xb4000000)
#ifndef __MIPSEL__
/*
* ASIC PCI registers for big endian configuration.
*/
#define PCIMT_UCONF CKSEG1ADDR(0 xbfff0004)
#define PCIMT_IOADTIMEOUT2 CKSEG1ADDR(0 xbfff000c)
#define PCIMT_IOMEMCONF CKSEG1ADDR(0 xbfff0014)
#define PCIMT_IOMMU CKSEG1ADDR(0 xbfff001c)
#define PCIMT_IOADTIMEOUT1 CKSEG1ADDR(0 xbfff0024)
#define PCIMT_DMAACCESS CKSEG1ADDR(0 xbfff002c)
#define PCIMT_DMAHIT CKSEG1ADDR(0 xbfff0034)
#define PCIMT_ERRSTATUS CKSEG1ADDR(0 xbfff003c)
#define PCIMT_ERRADDR CKSEG1ADDR(0 xbfff0044)
#define PCIMT_SYNDROME CKSEG1ADDR(0 xbfff004c)
#define PCIMT_ITPEND CKSEG1ADDR(0 xbfff0054)
#define IT_INT2 0 x01
#define IT_INTD 0 x02
#define IT_INTC 0 x04
#define IT_INTB 0 x08
#define IT_INTA 0 x10
#define IT_EISA 0 x20
#define IT_SCSI 0 x40
#define IT_ETH 0 x80
#define PCIMT_IRQSEL CKSEG1ADDR(0 xbfff005c)
#define PCIMT_TESTMEM CKSEG1ADDR(0 xbfff0064)
#define PCIMT_ECCREG CKSEG1ADDR(0 xbfff006c)
#define PCIMT_CONFIG_ADDRESS CKSEG1ADDR(0 xbfff0074)
#define PCIMT_ASIC_ID CKSEG1ADDR(0 xbfff007c) /* read */
#define PCIMT_SOFT_RESET CKSEG1ADDR(0 xbfff007c) /* write */
#define PCIMT_PIA_OE CKSEG1ADDR(0 xbfff0084)
#define PCIMT_PIA_DATAOUT CKSEG1ADDR(0 xbfff008c)
#define PCIMT_PIA_DATAIN CKSEG1ADDR(0 xbfff0094)
#define PCIMT_CACHECONF CKSEG1ADDR(0 xbfff009c)
#define PCIMT_INVSPACE CKSEG1ADDR(0 xbfff00a4)
#else
/*
* ASIC PCI registers for little endian configuration.
*/
#define PCIMT_UCONF CKSEG1ADDR(0 xbfff0000)
#define PCIMT_IOADTIMEOUT2 CKSEG1ADDR(0 xbfff0008)
#define PCIMT_IOMEMCONF CKSEG1ADDR(0 xbfff0010)
#define PCIMT_IOMMU CKSEG1ADDR(0 xbfff0018)
#define PCIMT_IOADTIMEOUT1 CKSEG1ADDR(0 xbfff0020)
#define PCIMT_DMAACCESS CKSEG1ADDR(0 xbfff0028)
#define PCIMT_DMAHIT CKSEG1ADDR(0 xbfff0030)
#define PCIMT_ERRSTATUS CKSEG1ADDR(0 xbfff0038)
#define PCIMT_ERRADDR CKSEG1ADDR(0 xbfff0040)
#define PCIMT_SYNDROME CKSEG1ADDR(0 xbfff0048)
#define PCIMT_ITPEND CKSEG1ADDR(0 xbfff0050)
#define IT_INT2 0 x01
#define IT_INTD 0 x02
#define IT_INTC 0 x04
#define IT_INTB 0 x08
#define IT_INTA 0 x10
#define IT_EISA 0 x20
#define IT_SCSI 0 x40
#define IT_ETH 0 x80
#define PCIMT_IRQSEL CKSEG1ADDR(0 xbfff0058)
#define PCIMT_TESTMEM CKSEG1ADDR(0 xbfff0060)
#define PCIMT_ECCREG CKSEG1ADDR(0 xbfff0068)
#define PCIMT_CONFIG_ADDRESS CKSEG1ADDR(0 xbfff0070)
#define PCIMT_ASIC_ID CKSEG1ADDR(0 xbfff0078) /* read */
#define PCIMT_SOFT_RESET CKSEG1ADDR(0 xbfff0078) /* write */
#define PCIMT_PIA_OE CKSEG1ADDR(0 xbfff0080)
#define PCIMT_PIA_DATAOUT CKSEG1ADDR(0 xbfff0088)
#define PCIMT_PIA_DATAIN CKSEG1ADDR(0 xbfff0090)
#define PCIMT_CACHECONF CKSEG1ADDR(0 xbfff0098)
#define PCIMT_INVSPACE CKSEG1ADDR(0 xbfff00a0)
#endif
#define PCIMT_PCI_CONF CKSEG1ADDR(0 xbfff0100)
/*
* Data port for the PCI bus in IO space
*/
#define PCIMT_CONFIG_DATA 0 x0cfc
/*
* Board specific registers
*/
#define PCIMT_CSMSR CKSEG1ADDR(0 xbfd00000)
#define PCIMT_CSSWITCH CKSEG1ADDR(0 xbfd10000)
#define PCIMT_CSITPEND CKSEG1ADDR(0 xbfd20000)
#define PCIMT_AUTO_PO_EN CKSEG1ADDR(0 xbfd30000)
#define PCIMT_CLR_TEMP CKSEG1ADDR(0 xbfd40000)
#define PCIMT_AUTO_PO_DIS CKSEG1ADDR(0 xbfd50000)
#define PCIMT_EXMSR CKSEG1ADDR(0 xbfd60000)
#define PCIMT_UNUSED1 CKSEG1ADDR(0 xbfd70000)
#define PCIMT_CSWCSM CKSEG1ADDR(0 xbfd80000)
#define PCIMT_UNUSED2 CKSEG1ADDR(0 xbfd90000)
#define PCIMT_CSLED CKSEG1ADDR(0 xbfda0000)
#define PCIMT_CSMAPISA CKSEG1ADDR(0 xbfdb0000)
#define PCIMT_CSRSTBP CKSEG1ADDR(0 xbfdc0000)
#define PCIMT_CLRPOFF CKSEG1ADDR(0 xbfdd0000)
#define PCIMT_CSTIMER CKSEG1ADDR(0 xbfde0000)
#define PCIMT_PWDN CKSEG1ADDR(0 xbfdf0000)
/*
* A20R based boards
*/
#define A20R_PT_CLOCK_BASE CKSEG1ADDR(0 xbc040000)
#define A20R_PT_TIM0_ACK CKSEG1ADDR(0 xbc050000)
#define A20R_PT_TIM1_ACK CKSEG1ADDR(0 xbc060000)
#define SNI_A20R_IRQ_BASE MIPS_CPU_IRQ_BASE
#define SNI_A20R_IRQ_TIMER (SNI_A20R_IRQ_BASE+5 )
#define SNI_PCIT_INT_REG CKSEG1ADDR(0 xbfff000c)
#define SNI_PCIT_INT_START 24
#define SNI_PCIT_INT_END 30
#define PCIT_IRQ_ETHERNET (MIPS_CPU_IRQ_BASE + 5 )
#define PCIT_IRQ_INTA (SNI_PCIT_INT_START + 0 )
#define PCIT_IRQ_INTB (SNI_PCIT_INT_START + 1 )
#define PCIT_IRQ_INTC (SNI_PCIT_INT_START + 2 )
#define PCIT_IRQ_INTD (SNI_PCIT_INT_START + 3 )
#define PCIT_IRQ_SCSI0 (SNI_PCIT_INT_START + 4 )
#define PCIT_IRQ_SCSI1 (SNI_PCIT_INT_START + 5 )
/*
* Interrupt 0-16 are EISA interrupts. Interrupts from 16 on are assigned
* to the other interrupts generated by ASIC PCI.
*
* INT2 is a wired-or of the push button interrupt, high temperature interrupt
* ASIC PCI interrupt.
*/
#define PCIMT_KEYBOARD_IRQ 1
#define PCIMT_IRQ_INT2 24
#define PCIMT_IRQ_INTD 25
#define PCIMT_IRQ_INTC 26
#define PCIMT_IRQ_INTB 27
#define PCIMT_IRQ_INTA 28
#define PCIMT_IRQ_EISA 29
#define PCIMT_IRQ_SCSI 30
#define PCIMT_IRQ_ETHERNET (MIPS_CPU_IRQ_BASE+6 )
#if 0
#define PCIMT_IRQ_TEMPERATURE 24
#define PCIMT_IRQ_EISA_NMI 25
#define PCIMT_IRQ_POWER_OFF 26
#define PCIMT_IRQ_BUTTON 27
#endif
/*
* Base address for the mapped 16mb EISA bus segment.
*/
#define PCIMT_EISA_BASE CKSEG1ADDR(0 xb0000000)
/* PCI EISA Interrupt acknowledge */
#define PCIMT_INT_ACKNOWLEDGE CKSEG1ADDR(0 xba000000)
/*
* SNI ID PROM
*
* SNI_IDPROM_MEMSIZE Memsize in 16MB quantities
* SNI_IDPROM_BRDTYPE Board Type
* SNI_IDPROM_CPUTYPE CPU Type on RM400
*/
#ifdef CONFIG_CPU_BIG_ENDIAN
#define __SNI_END 0
#endif
#ifdef CONFIG_CPU_LITTLE_ENDIAN
#define __SNI_END 3
#endif
#define SNI_IDPROM_BASE CKSEG1ADDR(0 x1ff00000)
#define SNI_IDPROM_MEMSIZE (SNI_IDPROM_BASE + (0 x28 ^ __SNI_END))
#define SNI_IDPROM_BRDTYPE (SNI_IDPROM_BASE + (0 x29 ^ __SNI_END))
#define SNI_IDPROM_CPUTYPE (SNI_IDPROM_BASE + (0 x30 ^ __SNI_END))
#define SNI_IDPROM_SIZE 0 x1000
/* board specific init functions */
extern void sni_a20r_init(void );
extern void sni_pcit_init(void );
extern void sni_rm200_init(void );
extern void sni_pcimt_init(void );
/* board specific irq init functions */
extern void sni_a20r_irq_init(void );
extern void sni_pcit_irq_init(void );
extern void sni_pcit_cplus_irq_init(void );
extern void sni_rm200_irq_init(void );
extern void sni_pcimt_irq_init(void );
/* eisa init for RM200/400 */
#ifdef CONFIG_EISA
extern int sni_eisa_root_init(void );
#else
static inline int sni_eisa_root_init(void )
{
return 0 ;
}
#endif
/* common irq stuff */
extern void (*sni_hwint)(void );
extern irqreturn_t sni_isa_irq_handler(int dummy, void *p);
#endif /* __ASM_SNI_H */
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