sni.h
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/*
* 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
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 0x01
#define SNI_CPU_M8030 0x04
#define SNI_CPU_M8031 0x06
#define SNI_CPU_M8034 0x0f
#define SNI_CPU_M8037 0x07
#define SNI_CPU_M8040 0x05
#define SNI_CPU_M8043 0x09
#define SNI_CPU_M8050 0x0b
#define SNI_CPU_M8053 0x0d
#define SNI_PORT_BASE CKSEG1ADDR(0xb4000000)
#ifndef __MIPSEL__
/*
* ASIC PCI registers for big endian configuration.
*/
#define PCIMT_UCONF CKSEG1ADDR(0xbfff0004)
#define PCIMT_IOADTIMEOUT2 CKSEG1ADDR(0xbfff000c)
#define PCIMT_IOMEMCONF CKSEG1ADDR(0xbfff0014)
#define PCIMT_IOMMU CKSEG1ADDR(0xbfff001c)
#define PCIMT_IOADTIMEOUT1 CKSEG1ADDR(0xbfff0024)
#define PCIMT_DMAACCESS CKSEG1ADDR(0xbfff002c)
#define PCIMT_DMAHIT CKSEG1ADDR(0xbfff0034)
#define PCIMT_ERRSTATUS CKSEG1ADDR(0xbfff003c)
#define PCIMT_ERRADDR CKSEG1ADDR(0xbfff0044)
#define PCIMT_SYNDROME CKSEG1ADDR(0xbfff004c)
#define PCIMT_ITPEND CKSEG1ADDR(0xbfff0054)
#define IT_INT2 0x01
#define IT_INTD 0x02
#define IT_INTC 0x04
#define IT_INTB 0x08
#define IT_INTA 0x10
#define IT_EISA 0x20
#define IT_SCSI 0x40
#define IT_ETH 0x80
#define PCIMT_IRQSEL CKSEG1ADDR(0xbfff005c)
#define PCIMT_TESTMEM CKSEG1ADDR(0xbfff0064)
#define PCIMT_ECCREG CKSEG1ADDR(0xbfff006c)
#define PCIMT_CONFIG_ADDRESS CKSEG1ADDR(0xbfff0074)
#define PCIMT_ASIC_ID CKSEG1ADDR(0xbfff007c) /* read */
#define PCIMT_SOFT_RESET CKSEG1ADDR(0xbfff007c) /* write */
#define PCIMT_PIA_OE CKSEG1ADDR(0xbfff0084)
#define PCIMT_PIA_DATAOUT CKSEG1ADDR(0xbfff008c)
#define PCIMT_PIA_DATAIN CKSEG1ADDR(0xbfff0094)
#define PCIMT_CACHECONF CKSEG1ADDR(0xbfff009c)
#define PCIMT_INVSPACE CKSEG1ADDR(0xbfff00a4)
#else
/*
* ASIC PCI registers for little endian configuration.
*/
#define PCIMT_UCONF CKSEG1ADDR(0xbfff0000)
#define PCIMT_IOADTIMEOUT2 CKSEG1ADDR(0xbfff0008)
#define PCIMT_IOMEMCONF CKSEG1ADDR(0xbfff0010)
#define PCIMT_IOMMU CKSEG1ADDR(0xbfff0018)
#define PCIMT_IOADTIMEOUT1 CKSEG1ADDR(0xbfff0020)
#define PCIMT_DMAACCESS CKSEG1ADDR(0xbfff0028)
#define PCIMT_DMAHIT CKSEG1ADDR(0xbfff0030)
#define PCIMT_ERRSTATUS CKSEG1ADDR(0xbfff0038)
#define PCIMT_ERRADDR CKSEG1ADDR(0xbfff0040)
#define PCIMT_SYNDROME CKSEG1ADDR(0xbfff0048)
#define PCIMT_ITPEND CKSEG1ADDR(0xbfff0050)
#define IT_INT2 0x01
#define IT_INTD 0x02
#define IT_INTC 0x04
#define IT_INTB 0x08
#define IT_INTA 0x10
#define IT_EISA 0x20
#define IT_SCSI 0x40
#define IT_ETH 0x80
#define PCIMT_IRQSEL CKSEG1ADDR(0xbfff0058)
#define PCIMT_TESTMEM CKSEG1ADDR(0xbfff0060)
#define PCIMT_ECCREG CKSEG1ADDR(0xbfff0068)
#define PCIMT_CONFIG_ADDRESS CKSEG1ADDR(0xbfff0070)
#define PCIMT_ASIC_ID CKSEG1ADDR(0xbfff0078) /* read */
#define PCIMT_SOFT_RESET CKSEG1ADDR(0xbfff0078) /* write */
#define PCIMT_PIA_OE CKSEG1ADDR(0xbfff0080)
#define PCIMT_PIA_DATAOUT CKSEG1ADDR(0xbfff0088)
#define PCIMT_PIA_DATAIN CKSEG1ADDR(0xbfff0090)
#define PCIMT_CACHECONF CKSEG1ADDR(0xbfff0098)
#define PCIMT_INVSPACE CKSEG1ADDR(0xbfff00a0)
#endif
#define PCIMT_PCI_CONF CKSEG1ADDR(0xbfff0100)
/*
* Data port for the PCI bus in IO space
*/
#define PCIMT_CONFIG_DATA 0x0cfc
/*
* Board specific registers
*/
#define PCIMT_CSMSR CKSEG1ADDR(0xbfd00000)
#define PCIMT_CSSWITCH CKSEG1ADDR(0xbfd10000)
#define PCIMT_CSITPEND CKSEG1ADDR(0xbfd20000)
#define PCIMT_AUTO_PO_EN CKSEG1ADDR(0xbfd30000)
#define PCIMT_CLR_TEMP CKSEG1ADDR(0xbfd40000)
#define PCIMT_AUTO_PO_DIS CKSEG1ADDR(0xbfd50000)
#define PCIMT_EXMSR CKSEG1ADDR(0xbfd60000)
#define PCIMT_UNUSED1 CKSEG1ADDR(0xbfd70000)
#define PCIMT_CSWCSM CKSEG1ADDR(0xbfd80000)
#define PCIMT_UNUSED2 CKSEG1ADDR(0xbfd90000)
#define PCIMT_CSLED CKSEG1ADDR(0xbfda0000)
#define PCIMT_CSMAPISA CKSEG1ADDR(0xbfdb0000)
#define PCIMT_CSRSTBP CKSEG1ADDR(0xbfdc0000)
#define PCIMT_CLRPOFF CKSEG1ADDR(0xbfdd0000)
#define PCIMT_CSTIMER CKSEG1ADDR(0xbfde0000)
#define PCIMT_PWDN CKSEG1ADDR(0xbfdf0000)
/*
* A20R based boards
*/
#define A20R_PT_CLOCK_BASE CKSEG1ADDR(0xbc040000)
#define A20R_PT_TIM0_ACK CKSEG1ADDR(0xbc050000)
#define A20R_PT_TIM1_ACK CKSEG1ADDR(0xbc060000)
#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(0xbfff000c)
#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(0xb0000000)
/* PCI EISA Interrupt acknowledge */
#define PCIMT_INT_ACKNOWLEDGE CKSEG1ADDR(0xba000000)
/*
* 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(0x1ff00000)
#define SNI_IDPROM_MEMSIZE (SNI_IDPROM_BASE + (0x28 ^ __SNI_END))
#define SNI_IDPROM_BRDTYPE (SNI_IDPROM_BASE + (0x29 ^ __SNI_END))
#define SNI_IDPROM_CPUTYPE (SNI_IDPROM_BASE + (0x30 ^ __SNI_END))
#define SNI_IDPROM_SIZE 0x1000
/* 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);
/* timer inits */
extern void sni_cpu_time_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 struct irqaction sni_isa_irq;
#endif /* __ASM_SNI_H */