release/src-rt-6.x/linux/linux-2.6/include/asm-m68knommu/mcfne.h

   1 /****************************************************************************/
   2
   3 /*
   4  *      mcfne.h -- NE2000 in ColdFire eval boards.
   5  *
   6  *      (C) Copyright 1999-2000, Greg Ungerer (gerg@snapgear.com)
   7  *      (C) Copyright 2000,      Lineo (www.lineo.com)
   8  *      (C) Copyright 2001,      SnapGear (www.snapgear.com)
   9  *
  10  *      19990409 David W. Miller  Converted from m5206ne.h for 5307 eval board
  11  *
  12  *      Hacked support for m5206e Cadre III evaluation board
  13  *      Fred Stevens (fred.stevens@pemstar.com) 13 April 1999
  14  */
  15
  16 /****************************************************************************/
  17 #ifndef mcfne_h
  18 #define mcfne_h
  19 /****************************************************************************/
  20
  21
  22 /*
  23  *      Support for NE2000 clones devices in ColdFire based boards.
  24  *      Not all boards address these parts the same way, some use a
  25  *      direct addressing method, others use a side-band address space
  26  *      to access odd address registers, some require byte swapping
  27  *      others do not.
  28  */
  29 #define BSWAP(w)        (((w) << 8) | ((w) >> 8))
  30 #define RSWAP(w)        (w)
  31
  32
  33 /*
  34  *      Define the basic hardware resources of NE2000 boards.
  35  */
  36
  37 #if defined(CONFIG_ARN5206)
  38 #define NE2000_ADDR             0x40000300
  39 #define NE2000_ODDOFFSET        0x00010000
  40 #define NE2000_IRQ_VECTOR       0xf0
  41 #define NE2000_IRQ_PRIORITY     2
  42 #define NE2000_IRQ_LEVEL        4
  43 #define NE2000_BYTE             volatile unsigned short
  44 #endif
  45
  46 #if defined(CONFIG_M5206eC3)
  47 #define NE2000_ADDR             0x40000300
  48 #define NE2000_ODDOFFSET        0x00010000
  49 #define NE2000_IRQ_VECTOR       0x1c
  50 #define NE2000_IRQ_PRIORITY     2
  51 #define NE2000_IRQ_LEVEL        4
  52 #define NE2000_BYTE             volatile unsigned short
  53 #endif
  54
  55 #if defined(CONFIG_M5206e) && defined(CONFIG_NETtel)
  56 #define NE2000_ADDR             0x30000300
  57 #define NE2000_IRQ_VECTOR       25
  58 #define NE2000_IRQ_PRIORITY     1
  59 #define NE2000_IRQ_LEVEL        3
  60 #define NE2000_BYTE             volatile unsigned char
  61 #endif
  62
  63 #if defined(CONFIG_CFV240)
  64 #define NE2000_ADDR             0x40010000
  65 #define NE2000_ADDR1            0x40010001
  66 #define NE2000_ODDOFFSET        0x00000000
  67 #define NE2000_IRQ              1
  68 #define NE2000_IRQ_VECTOR       0x19
  69 #define NE2000_IRQ_PRIORITY     2
  70 #define NE2000_IRQ_LEVEL        1
  71 #define NE2000_BYTE             volatile unsigned char
  72 #endif
  73
  74 #if defined(CONFIG_M5307C3)
  75 #define NE2000_ADDR             0x40000300
  76 #define NE2000_ODDOFFSET        0x00010000
  77 #define NE2000_IRQ_VECTOR       0x1b
  78 #define NE2000_BYTE             volatile unsigned short
  79 #endif
  80
  81 #if defined(CONFIG_M5272) && defined(CONFIG_NETtel)
  82 #define NE2000_ADDR             0x30600300
  83 #define NE2000_ODDOFFSET        0x00008000
  84 #define NE2000_IRQ_VECTOR       67
  85 #undef  BSWAP
  86 #define BSWAP(w)                (w)
  87 #define NE2000_BYTE             volatile unsigned short
  88 #undef  RSWAP
  89 #define RSWAP(w)                (((w) << 8) | ((w) >> 8))
  90 #endif
  91
  92 #if defined(CONFIG_M5307) && defined(CONFIG_NETtel)
  93 #define NE2000_ADDR0            0x30600300
  94 #define NE2000_ADDR1            0x30800300
  95 #define NE2000_ODDOFFSET        0x00008000
  96 #define NE2000_IRQ_VECTOR0      27
  97 #define NE2000_IRQ_VECTOR1      29
  98 #undef  BSWAP
  99 #define BSWAP(w)                (w)
 100 #define NE2000_BYTE             volatile unsigned short
 101 #undef  RSWAP
 102 #define RSWAP(w)                (((w) << 8) | ((w) >> 8))
 103 #endif
 104
 105 #if defined(CONFIG_M5307) && defined(CONFIG_SECUREEDGEMP3)
 106 #define NE2000_ADDR             0x30600300
 107 #define NE2000_ODDOFFSET        0x00008000
 108 #define NE2000_IRQ_VECTOR       27
 109 #undef  BSWAP
 110 #define BSWAP(w)                (w)
 111 #define NE2000_BYTE             volatile unsigned short
 112 #undef  RSWAP
 113 #define RSWAP(w)                (((w) << 8) | ((w) >> 8))
 114 #endif
 115
 116 #if defined(CONFIG_ARN5307)
 117 #define NE2000_ADDR             0xfe600300
 118 #define NE2000_ODDOFFSET        0x00010000
 119 #define NE2000_IRQ_VECTOR       0x1b
 120 #define NE2000_IRQ_PRIORITY     2
 121 #define NE2000_IRQ_LEVEL        3
 122 #define NE2000_BYTE             volatile unsigned short
 123 #endif
 124
 125 #if defined(CONFIG_M5407C3)
 126 #define NE2000_ADDR             0x40000300
 127 #define NE2000_ODDOFFSET        0x00010000
 128 #define NE2000_IRQ_VECTOR       0x1b
 129 #define NE2000_BYTE             volatile unsigned short
 130 #endif
 131
 132 /****************************************************************************/
 133
 134 /*
 135  *      Side-band address space for odd address requires re-mapping
 136  *      many of the standard ISA access functions.
 137  */
 138 #ifdef NE2000_ODDOFFSET
 139
 140 #undef outb
 141 #undef outb_p
 142 #undef inb
 143 #undef inb_p
 144 #undef outsb
 145 #undef outsw
 146 #undef insb
 147 #undef insw
 148
 149 #define outb    ne2000_outb
 150 #define inb     ne2000_inb
 151 #define outb_p  ne2000_outb
 152 #define inb_p   ne2000_inb
 153 #define outsb   ne2000_outsb
 154 #define outsw   ne2000_outsw
 155 #define insb    ne2000_insb
 156 #define insw    ne2000_insw
 157
 158
 159 #ifndef COLDFIRE_NE2000_FUNCS
 160
 161 void ne2000_outb(unsigned int val, unsigned int addr);
 162 int  ne2000_inb(unsigned int addr);
 163 void ne2000_insb(unsigned int addr, void *vbuf, int unsigned long len);
 164 void ne2000_insw(unsigned int addr, void *vbuf, unsigned long len);
 165 void ne2000_outsb(unsigned int addr, void *vbuf, unsigned long len);
 166 void ne2000_outsw(unsigned int addr, void *vbuf, unsigned long len);
 167
 168 #else
 169
 170 /*
 171  *      This macro converts a conventional register address into the
 172  *      real memory pointer of the mapped NE2000 device.
 173  *      On most NE2000 implementations on ColdFire boards the chip is
 174  *      mapped in kinda funny, due to its ISA heritage.
 175  */
 176 #ifdef CONFIG_CFV240
 177 #define NE2000_PTR(addr)        (NE2000_ADDR + ((addr & 0x3f) << 1) + 1)
 178 #define NE2000_DATA_PTR(addr)   (NE2000_ADDR + ((addr & 0x3f) << 1))
 179 #else
 180 #define NE2000_PTR(addr)        ((addr&0x1)?(NE2000_ODDOFFSET+addr-1):(addr))
 181 #define NE2000_DATA_PTR(addr)   (addr)
 182 #endif
 183
 184
 185 void ne2000_outb(unsigned int val, unsigned int addr)
 186 {
 187         NE2000_BYTE     *rp;
 188
 189         rp = (NE2000_BYTE *) NE2000_PTR(addr);
 190         *rp = RSWAP(val);
 191 }
 192
 193 int ne2000_inb(unsigned int addr)
 194 {
 195         NE2000_BYTE     *rp, val;
 196
 197         rp = (NE2000_BYTE *) NE2000_PTR(addr);
 198         val = *rp;
 199         return((int) ((NE2000_BYTE) RSWAP(val)));
 200 }
 201
 202 void ne2000_insb(unsigned int addr, void *vbuf, int unsigned long len)
 203 {
 204         NE2000_BYTE     *rp, val;
 205         unsigned char   *buf;
 206
 207         buf = (unsigned char *) vbuf;
 208         rp = (NE2000_BYTE *) NE2000_DATA_PTR(addr);
 209         for (; (len > 0); len--) {
 210                 val = *rp;
 211                 *buf++ = RSWAP(val);
 212         }
 213 }
 214
 215 void ne2000_insw(unsigned int addr, void *vbuf, unsigned long len)
 216 {
 217         volatile unsigned short *rp;
 218         unsigned short          w, *buf;
 219
 220         buf = (unsigned short *) vbuf;
 221         rp = (volatile unsigned short *) NE2000_DATA_PTR(addr);
 222         for (; (len > 0); len--) {
 223                 w = *rp;
 224                 *buf++ = BSWAP(w);
 225         }
 226 }
 227
 228 void ne2000_outsb(unsigned int addr, const void *vbuf, unsigned long len)
 229 {
 230         NE2000_BYTE     *rp, val;
 231         unsigned char   *buf;
 232
 233         buf = (unsigned char *) vbuf;
 234         rp = (NE2000_BYTE *) NE2000_DATA_PTR(addr);
 235         for (; (len > 0); len--) {
 236                 val = *buf++;
 237                 *rp = RSWAP(val);
 238         }
 239 }
 240
 241 void ne2000_outsw(unsigned int addr, const void *vbuf, unsigned long len)
 242 {
 243         volatile unsigned short *rp;
 244         unsigned short          w, *buf;
 245
 246         buf = (unsigned short *) vbuf;
 247         rp = (volatile unsigned short *) NE2000_DATA_PTR(addr);
 248         for (; (len > 0); len--) {
 249                 w = *buf++;
 250                 *rp = BSWAP(w);
 251         }
 252 }
 253
 254 #endif /* COLDFIRE_NE2000_FUNCS */
 255 #endif /* NE2000_OFFOFFSET */
 256
 257 /****************************************************************************/
 258
 259 #ifdef COLDFIRE_NE2000_FUNCS
 260
 261 /*
 262  *      Lastly the interrupt set up code...
 263  *      Minor differences between the different board types.
 264  */
 265
 266 #if defined(CONFIG_ARN5206)
 267 void ne2000_irqsetup(int irq)
 268 {
 269         volatile unsigned char  *icrp;
 270
 271         icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_ICR4);
 272         *icrp = MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI2;
 273         mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT4);
 274 }
 275 #endif
 276
 277 #if defined(CONFIG_M5206eC3)
 278 void ne2000_irqsetup(int irq)
 279 {
 280         volatile unsigned char  *icrp;
 281
 282         icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_ICR4);
 283         *icrp = MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI2 | MCFSIM_ICR_AUTOVEC;
 284         mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT4);
 285 }
 286 #endif
 287
 288 #if defined(CONFIG_CFV240)
 289 void ne2000_irqsetup(int irq)
 290 {
 291         volatile unsigned char  *icrp;
 292
 293         icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_ICR1);
 294         *icrp = MCFSIM_ICR_LEVEL1 | MCFSIM_ICR_PRI2 | MCFSIM_ICR_AUTOVEC;
 295         mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT1);
 296 }
 297 #endif
 298
 299 #if defined(CONFIG_M5206e) && defined(CONFIG_NETtel)
 300 void ne2000_irqsetup(int irq)
 301 {
 302         mcf_autovector(irq);
 303 }
 304 #endif
 305
 306 #if defined(CONFIG_M5272) && defined(CONFIG_NETtel)
 307 void ne2000_irqsetup(int irq)
 308 {
 309         volatile unsigned long  *icrp;
 310         volatile unsigned long  *pitr;
 311
 312         /* The NE2000 device uses external IRQ3 */
 313         icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
 314         *icrp = (*icrp & 0x77077777) | 0x00d00000;
 315
 316         pitr = (volatile unsigned long *) (MCF_MBAR + MCFSIM_PITR);
 317         *pitr = *pitr | 0x20000000;
 318 }
 319
 320 void ne2000_irqack(int irq)
 321 {
 322         volatile unsigned long  *icrp;
 323
 324         /* The NE2000 device uses external IRQ3 */
 325         icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
 326         *icrp = (*icrp & 0x77777777) | 0x00800000;
 327 }
 328 #endif
 329
 330 #if defined(CONFIG_M5307) || defined(CONFIG_M5407)
 331 #if defined(CONFIG_NETtel) || defined(CONFIG_SECUREEDGEMP3)
 332
 333 void ne2000_irqsetup(int irq)
 334 {
 335         mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT3);
 336         mcf_autovector(irq);
 337 }
 338
 339 #else
 340
 341 void ne2000_irqsetup(int irq)
 342 {
 343         mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT3);
 344 }
 345
 346 #endif /* ! CONFIG_NETtel || CONFIG_SECUREEDGEMP3 */
 347 #endif /* CONFIG_M5307 || CONFIG_M5407 */
 348
 349 #endif /* COLDFIRE_NE2000_FUNCS */
 350
 351 /****************************************************************************/
 352 #endif  /* mcfne_h */