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