1/* 2 * SNI specific definitions 3 * 4 * This file is subject to the terms and conditions of the GNU General Public 5 * License. See the file "COPYING" in the main directory of this archive 6 * for more details. 7 * 8 * Copyright (C) 1997, 1998 by Ralf Baechle 9 * Copyright (C) 2006 Thomas Bogendoerfer (tsbogend@alpha.franken.de) 10 */ 11#ifndef __ASM_SNI_H 12#define __ASM_SNI_H 13 14#include <linux/irqreturn.h> 15 16extern unsigned int sni_brd_type; 17 18#define SNI_BRD_10 2 19#define SNI_BRD_10NEW 3 20#define SNI_BRD_TOWER_OASIC 4 21#define SNI_BRD_MINITOWER 5 22#define SNI_BRD_PCI_TOWER 6 23#define SNI_BRD_RM200 7 24#define SNI_BRD_PCI_MTOWER 8 25#define SNI_BRD_PCI_DESKTOP 9 26#define SNI_BRD_PCI_TOWER_CPLUS 10 27#define SNI_BRD_PCI_MTOWER_CPLUS 11 28 29/* RM400 cpu types */ 30#define SNI_CPU_M8021 0x01 31#define SNI_CPU_M8030 0x04 32#define SNI_CPU_M8031 0x06 33#define SNI_CPU_M8034 0x0f 34#define SNI_CPU_M8037 0x07 35#define SNI_CPU_M8040 0x05 36#define SNI_CPU_M8043 0x09 37#define SNI_CPU_M8050 0x0b 38#define SNI_CPU_M8053 0x0d 39 40#define SNI_PORT_BASE CKSEG1ADDR(0xb4000000) 41 42#ifndef __MIPSEL__ 43/* 44 * ASIC PCI registers for big endian configuration. 45 */ 46#define PCIMT_UCONF CKSEG1ADDR(0xbfff0004) 47#define PCIMT_IOADTIMEOUT2 CKSEG1ADDR(0xbfff000c) 48#define PCIMT_IOMEMCONF CKSEG1ADDR(0xbfff0014) 49#define PCIMT_IOMMU CKSEG1ADDR(0xbfff001c) 50#define PCIMT_IOADTIMEOUT1 CKSEG1ADDR(0xbfff0024) 51#define PCIMT_DMAACCESS CKSEG1ADDR(0xbfff002c) 52#define PCIMT_DMAHIT CKSEG1ADDR(0xbfff0034) 53#define PCIMT_ERRSTATUS CKSEG1ADDR(0xbfff003c) 54#define PCIMT_ERRADDR CKSEG1ADDR(0xbfff0044) 55#define PCIMT_SYNDROME CKSEG1ADDR(0xbfff004c) 56#define PCIMT_ITPEND CKSEG1ADDR(0xbfff0054) 57#define IT_INT2 0x01 58#define IT_INTD 0x02 59#define IT_INTC 0x04 60#define IT_INTB 0x08 61#define IT_INTA 0x10 62#define IT_EISA 0x20 63#define IT_SCSI 0x40 64#define IT_ETH 0x80 65#define PCIMT_IRQSEL CKSEG1ADDR(0xbfff005c) 66#define PCIMT_TESTMEM CKSEG1ADDR(0xbfff0064) 67#define PCIMT_ECCREG CKSEG1ADDR(0xbfff006c) 68#define PCIMT_CONFIG_ADDRESS CKSEG1ADDR(0xbfff0074) 69#define PCIMT_ASIC_ID CKSEG1ADDR(0xbfff007c) /* read */ 70#define PCIMT_SOFT_RESET CKSEG1ADDR(0xbfff007c) /* write */ 71#define PCIMT_PIA_OE CKSEG1ADDR(0xbfff0084) 72#define PCIMT_PIA_DATAOUT CKSEG1ADDR(0xbfff008c) 73#define PCIMT_PIA_DATAIN CKSEG1ADDR(0xbfff0094) 74#define PCIMT_CACHECONF CKSEG1ADDR(0xbfff009c) 75#define PCIMT_INVSPACE CKSEG1ADDR(0xbfff00a4) 76#else 77/* 78 * ASIC PCI registers for little endian configuration. 79 */ 80#define PCIMT_UCONF CKSEG1ADDR(0xbfff0000) 81#define PCIMT_IOADTIMEOUT2 CKSEG1ADDR(0xbfff0008) 82#define PCIMT_IOMEMCONF CKSEG1ADDR(0xbfff0010) 83#define PCIMT_IOMMU CKSEG1ADDR(0xbfff0018) 84#define PCIMT_IOADTIMEOUT1 CKSEG1ADDR(0xbfff0020) 85#define PCIMT_DMAACCESS CKSEG1ADDR(0xbfff0028) 86#define PCIMT_DMAHIT CKSEG1ADDR(0xbfff0030) 87#define PCIMT_ERRSTATUS CKSEG1ADDR(0xbfff0038) 88#define PCIMT_ERRADDR CKSEG1ADDR(0xbfff0040) 89#define PCIMT_SYNDROME CKSEG1ADDR(0xbfff0048) 90#define PCIMT_ITPEND CKSEG1ADDR(0xbfff0050) 91#define IT_INT2 0x01 92#define IT_INTD 0x02 93#define IT_INTC 0x04 94#define IT_INTB 0x08 95#define IT_INTA 0x10 96#define IT_EISA 0x20 97#define IT_SCSI 0x40 98#define IT_ETH 0x80 99#define PCIMT_IRQSEL CKSEG1ADDR(0xbfff0058) 100#define PCIMT_TESTMEM CKSEG1ADDR(0xbfff0060) 101#define PCIMT_ECCREG CKSEG1ADDR(0xbfff0068) 102#define PCIMT_CONFIG_ADDRESS CKSEG1ADDR(0xbfff0070) 103#define PCIMT_ASIC_ID CKSEG1ADDR(0xbfff0078) /* read */ 104#define PCIMT_SOFT_RESET CKSEG1ADDR(0xbfff0078) /* write */ 105#define PCIMT_PIA_OE CKSEG1ADDR(0xbfff0080) 106#define PCIMT_PIA_DATAOUT CKSEG1ADDR(0xbfff0088) 107#define PCIMT_PIA_DATAIN CKSEG1ADDR(0xbfff0090) 108#define PCIMT_CACHECONF CKSEG1ADDR(0xbfff0098) 109#define PCIMT_INVSPACE CKSEG1ADDR(0xbfff00a0) 110#endif 111 112#define PCIMT_PCI_CONF CKSEG1ADDR(0xbfff0100) 113 114/* 115 * Data port for the PCI bus in IO space 116 */ 117#define PCIMT_CONFIG_DATA 0x0cfc 118 119/* 120 * Board specific registers 121 */ 122#define PCIMT_CSMSR CKSEG1ADDR(0xbfd00000) 123#define PCIMT_CSSWITCH CKSEG1ADDR(0xbfd10000) 124#define PCIMT_CSITPEND CKSEG1ADDR(0xbfd20000) 125#define PCIMT_AUTO_PO_EN CKSEG1ADDR(0xbfd30000) 126#define PCIMT_CLR_TEMP CKSEG1ADDR(0xbfd40000) 127#define PCIMT_AUTO_PO_DIS CKSEG1ADDR(0xbfd50000) 128#define PCIMT_EXMSR CKSEG1ADDR(0xbfd60000) 129#define PCIMT_UNUSED1 CKSEG1ADDR(0xbfd70000) 130#define PCIMT_CSWCSM CKSEG1ADDR(0xbfd80000) 131#define PCIMT_UNUSED2 CKSEG1ADDR(0xbfd90000) 132#define PCIMT_CSLED CKSEG1ADDR(0xbfda0000) 133#define PCIMT_CSMAPISA CKSEG1ADDR(0xbfdb0000) 134#define PCIMT_CSRSTBP CKSEG1ADDR(0xbfdc0000) 135#define PCIMT_CLRPOFF CKSEG1ADDR(0xbfdd0000) 136#define PCIMT_CSTIMER CKSEG1ADDR(0xbfde0000) 137#define PCIMT_PWDN CKSEG1ADDR(0xbfdf0000) 138 139/* 140 * A20R based boards 141 */ 142#define A20R_PT_CLOCK_BASE CKSEG1ADDR(0xbc040000) 143#define A20R_PT_TIM0_ACK CKSEG1ADDR(0xbc050000) 144#define A20R_PT_TIM1_ACK CKSEG1ADDR(0xbc060000) 145 146#define SNI_A20R_IRQ_BASE MIPS_CPU_IRQ_BASE 147#define SNI_A20R_IRQ_TIMER (SNI_A20R_IRQ_BASE+5) 148 149#define SNI_PCIT_INT_REG CKSEG1ADDR(0xbfff000c) 150 151#define SNI_PCIT_INT_START 24 152#define SNI_PCIT_INT_END 30 153 154#define PCIT_IRQ_ETHERNET (MIPS_CPU_IRQ_BASE + 5) 155#define PCIT_IRQ_INTA (SNI_PCIT_INT_START + 0) 156#define PCIT_IRQ_INTB (SNI_PCIT_INT_START + 1) 157#define PCIT_IRQ_INTC (SNI_PCIT_INT_START + 2) 158#define PCIT_IRQ_INTD (SNI_PCIT_INT_START + 3) 159#define PCIT_IRQ_SCSI0 (SNI_PCIT_INT_START + 4) 160#define PCIT_IRQ_SCSI1 (SNI_PCIT_INT_START + 5) 161 162 163/* 164 * Interrupt 0-16 are EISA interrupts. Interrupts from 16 on are assigned 165 * to the other interrupts generated by ASIC PCI. 166 * 167 * INT2 is a wired-or of the push button interrupt, high temperature interrupt 168 * ASIC PCI interrupt. 169 */ 170#define PCIMT_KEYBOARD_IRQ 1 171#define PCIMT_IRQ_INT2 24 172#define PCIMT_IRQ_INTD 25 173#define PCIMT_IRQ_INTC 26 174#define PCIMT_IRQ_INTB 27 175#define PCIMT_IRQ_INTA 28 176#define PCIMT_IRQ_EISA 29 177#define PCIMT_IRQ_SCSI 30 178 179#define PCIMT_IRQ_ETHERNET (MIPS_CPU_IRQ_BASE+6) 180 181#if 0 182#define PCIMT_IRQ_TEMPERATURE 24 183#define PCIMT_IRQ_EISA_NMI 25 184#define PCIMT_IRQ_POWER_OFF 26 185#define PCIMT_IRQ_BUTTON 27 186#endif 187 188/* 189 * Base address for the mapped 16mb EISA bus segment. 190 */ 191#define PCIMT_EISA_BASE CKSEG1ADDR(0xb0000000) 192 193/* PCI EISA Interrupt acknowledge */ 194#define PCIMT_INT_ACKNOWLEDGE CKSEG1ADDR(0xba000000) 195 196/* 197 * SNI ID PROM 198 * 199 * SNI_IDPROM_MEMSIZE Memsize in 16MB quantities 200 * SNI_IDPROM_BRDTYPE Board Type 201 * SNI_IDPROM_CPUTYPE CPU Type on RM400 202 */ 203#ifdef CONFIG_CPU_BIG_ENDIAN 204#define __SNI_END 0 205#endif 206#ifdef CONFIG_CPU_LITTLE_ENDIAN 207#define __SNI_END 3 208#endif 209#define SNI_IDPROM_BASE CKSEG1ADDR(0x1ff00000) 210#define SNI_IDPROM_MEMSIZE (SNI_IDPROM_BASE + (0x28 ^ __SNI_END)) 211#define SNI_IDPROM_BRDTYPE (SNI_IDPROM_BASE + (0x29 ^ __SNI_END)) 212#define SNI_IDPROM_CPUTYPE (SNI_IDPROM_BASE + (0x30 ^ __SNI_END)) 213 214#define SNI_IDPROM_SIZE 0x1000 215 216/* board specific init functions */ 217extern void sni_a20r_init(void); 218extern void sni_pcit_init(void); 219extern void sni_rm200_init(void); 220extern void sni_pcimt_init(void); 221 222/* board specific irq init functions */ 223extern void sni_a20r_irq_init(void); 224extern void sni_pcit_irq_init(void); 225extern void sni_pcit_cplus_irq_init(void); 226extern void sni_rm200_irq_init(void); 227extern void sni_pcimt_irq_init(void); 228 229/* eisa init for RM200/400 */ 230#ifdef CONFIG_EISA 231extern int sni_eisa_root_init(void); 232#else 233static inline int sni_eisa_root_init(void) 234{ 235 return 0; 236} 237#endif 238 239/* common irq stuff */ 240extern void (*sni_hwint)(void); 241extern irqreturn_t sni_isa_irq_handler(int dummy, void *p); 242 243#endif /* __ASM_SNI_H */ 244