release/src-rt-6.x.4708/linux/linux-2.6.36/arch/mips/include/asm/sni.h

   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 extern 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 */
 209 extern void sni_a20r_init(void);
 210 extern void sni_pcit_init(void);
 211 extern void sni_rm200_init(void);
 212 extern void sni_pcimt_init(void);
 213
 214 /* board specific irq init functions */
 215 extern void sni_a20r_irq_init(void);
 216 extern void sni_pcit_irq_init(void);
 217 extern void sni_pcit_cplus_irq_init(void);
 218 extern void sni_rm200_irq_init(void);
 219 extern void sni_pcimt_irq_init(void);
 220
 221 /* timer inits */
 222 extern void sni_cpu_time_init(void);
 223
 224 /* eisa init for RM200/400 */
 225 #ifdef CONFIG_EISA
 226 extern int sni_eisa_root_init(void);
 227 #else
 228 static inline int sni_eisa_root_init(void)
 229 {
 230         return 0;
 231 }
 232 #endif
 233
 234 /* common irq stuff */
 235 extern void (*sni_hwint)(void);
 236 extern struct irqaction sni_isa_irq;
 237
 238 #endif /* __ASM_SNI_H */