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 #include <linux/config.h>
  22
  23 /*
  24  *      Support for NE2000 clones devices in ColdFire based boards.
  25  *      Not all boards address these parts the same way, some use a
  26  *      direct addressing method, others use a side-band address space
  27  *      to access odd address registers, some require byte swapping
  28  *      others do not.
  29  */
  30 #define BSWAP(w)        (((w) << 8) | ((w) >> 8))
  31 #define RSWAP(w)        (w)
  32
  33
  34 /*
  35  *      Define the basic hardware resources of NE2000 boards.
  36  */
  37
  38 #if defined(CONFIG_M5206) && defined(CONFIG_ARNEWSH)
  39 #define NE2000_ADDR             0x40000300
  40 #define NE2000_ODDOFFSET        0x00010000
  41 #define NE2000_IRQ_VECTOR       0xf0
  42 #define NE2000_IRQ_PRIORITY     2
  43 #define NE2000_IRQ_LEVEL        4
  44 #define NE2000_BYTE             volatile unsigned short
  45 #endif
  46
  47 #if defined(CONFIG_M5206e) && defined(CONFIG_MOTOROLA)
  48 #define NE2000_ADDR             0x40000300
  49 #define NE2000_ODDOFFSET        0x00010000
  50 #define NE2000_IRQ_VECTOR       0x1c
  51 #define NE2000_IRQ_PRIORITY     2
  52 #define NE2000_IRQ_LEVEL        4
  53 #define NE2000_BYTE             volatile unsigned short
  54 #endif
  55
  56 #if defined(CONFIG_M5206e) && defined(CONFIG_NETtel)
  57 #define NE2000_ADDR             0x30000300
  58 #define NE2000_IRQ_VECTOR       25
  59 #define NE2000_IRQ_PRIORITY     1
  60 #define NE2000_IRQ_LEVEL        3
  61 #define NE2000_BYTE             volatile unsigned char
  62 #endif
  63
  64 #if defined(CONFIG_M5206e) && defined(CONFIG_CFV240)
  65 #define NE2000_ADDR             0x40010000
  66 #define NE2000_ADDR1            0x40010001
  67 #define NE2000_ODDOFFSET        0x00000000
  68 #define NE2000_IRQ              1
  69 #define NE2000_IRQ_VECTOR       0x19
  70 #define NE2000_IRQ_PRIORITY     2
  71 #define NE2000_IRQ_LEVEL        1
  72 #define NE2000_BYTE             volatile unsigned char
  73 #endif
  74
  75 #if defined(CONFIG_M5307) && defined(CONFIG_MOTOROLA)
  76 #define NE2000_ADDR             0x40000300
  77 #define NE2000_ODDOFFSET        0x00010000
  78 #define NE2000_IRQ_VECTOR       0x1b
  79 #define NE2000_BYTE             volatile unsigned short
  80 #endif
  81
  82 #if defined(CONFIG_M5272) && defined(CONFIG_NETtel)
  83 #define NE2000_ADDR             0x30600300
  84 #define NE2000_ODDOFFSET        0x00008000
  85 #define NE2000_IRQ_VECTOR       67
  86 #undef  BSWAP
  87 #define BSWAP(w)                (w)
  88 #define NE2000_BYTE             volatile unsigned short
  89 #undef  RSWAP
  90 #define RSWAP(w)                (((w) << 8) | ((w) >> 8))
  91 #endif
  92
  93 #if defined(CONFIG_M5307) && defined(CONFIG_NETtel)
  94 #define NE2000_ADDR0            0x30600300
  95 #define NE2000_ADDR1            0x30800300
  96 #define NE2000_ODDOFFSET        0x00008000
  97 #define NE2000_IRQ_VECTOR0      27
  98 #define NE2000_IRQ_VECTOR1      29
  99 #undef  BSWAP
 100 #define BSWAP(w)                (w)
 101 #define NE2000_BYTE             volatile unsigned short
 102 #undef  RSWAP
 103 #define RSWAP(w)                (((w) << 8) | ((w) >> 8))
 104 #endif
 105
 106 #if defined(CONFIG_M5307) && defined(CONFIG_SECUREEDGEMP3)
 107 #define NE2000_ADDR             0x30600300
 108 #define NE2000_ODDOFFSET        0x00008000
 109 #define NE2000_IRQ_VECTOR       27
 110 #undef  BSWAP
 111 #define BSWAP(w)                (w)
 112 #define NE2000_BYTE             volatile unsigned short
 113 #undef  RSWAP
 114 #define RSWAP(w)                (((w) << 8) | ((w) >> 8))
 115 #endif
 116
 117 #if defined(CONFIG_M5307) && defined(CONFIG_ARNEWSH)
 118 #define NE2000_ADDR             0xfe600300
 119 #define NE2000_ODDOFFSET        0x00010000
 120 #define NE2000_IRQ_VECTOR       0x1b
 121 #define NE2000_IRQ_PRIORITY     2
 122 #define NE2000_IRQ_LEVEL        3
 123 #define NE2000_BYTE             volatile unsigned short
 124 #endif
 125
 126 #if defined(CONFIG_M5407)
 127 #define NE2000_ADDR             0x40000300
 128 #define NE2000_ODDOFFSET        0x00010000
 129 #define NE2000_IRQ_VECTOR       0x1b
 130 #define NE2000_BYTE             volatile unsigned short
 131 #endif
 132
 133 /****************************************************************************/
 134
 135 /*
 136  *      Side-band address space for odd address requires re-mapping
 137  *      many of the standard ISA access functions.
 138  */
 139 #ifdef NE2000_ODDOFFSET
 140
 141 #undef outb
 142 #undef outb_p
 143 #undef inb
 144 #undef inb_p
 145 #undef outsb
 146 #undef outsw
 147 #undef insb
 148 #undef insw
 149
 150 #define outb    ne2000_outb
 151 #define inb     ne2000_inb
 152 #define outb_p  ne2000_outb
 153 #define inb_p   ne2000_inb
 154 #define outsb   ne2000_outsb
 155 #define outsw   ne2000_outsw
 156 #define insb    ne2000_insb
 157 #define insw    ne2000_insw
 158
 159
 160 #ifndef COLDFIRE_NE2000_FUNCS
 161
 162 void ne2000_outb(unsigned int val, unsigned int addr);
 163 int  ne2000_inb(unsigned int addr);
 164 void ne2000_insb(unsigned int addr, void *vbuf, int unsigned long len);
 165 void ne2000_insw(unsigned int addr, void *vbuf, unsigned long len);
 166 void ne2000_outsb(unsigned int addr, void *vbuf, unsigned long len);
 167 void ne2000_outsw(unsigned int addr, void *vbuf, unsigned long len);
 168
 169 #else
 170
 171 /*
 172  *      This macro converts a conventional register address into the
 173  *      real memory pointer of the mapped NE2000 device.
 174  *      On most NE2000 implementations on ColdFire boards the chip is
 175  *      mapped in kinda funny, due to its ISA heritage.
 176  */
 177 #ifdef CONFIG_CFV240
 178 #define NE2000_PTR(addr)        (NE2000_ADDR + ((addr & 0x3f) << 1) + 1)
 179 #define NE2000_DATA_PTR(addr)   (NE2000_ADDR + ((addr & 0x3f) << 1))
 180 #else
 181 #define NE2000_PTR(addr)        ((addr&0x1)?(NE2000_ODDOFFSET+addr-1):(addr))
 182 #define NE2000_DATA_PTR(addr)   (addr)
 183 #endif
 184
 185
 186 void ne2000_outb(unsigned int val, unsigned int addr)
 187 {
 188         NE2000_BYTE     *rp;
 189
 190         rp = (NE2000_BYTE *) NE2000_PTR(addr);
 191         *rp = RSWAP(val);
 192 }
 193
 194 int ne2000_inb(unsigned int addr)
 195 {
 196         NE2000_BYTE     *rp, val;
 197
 198         rp = (NE2000_BYTE *) NE2000_PTR(addr);
 199         val = *rp;
 200         return((int) ((NE2000_BYTE) RSWAP(val)));
 201 }
 202
 203 void ne2000_insb(unsigned int addr, void *vbuf, int unsigned long len)
 204 {
 205         NE2000_BYTE     *rp, val;
 206         unsigned char   *buf;
 207
 208         buf = (unsigned char *) vbuf;
 209         rp = (NE2000_BYTE *) NE2000_DATA_PTR(addr);
 210         for (; (len > 0); len--) {
 211                 val = *rp;
 212                 *buf++ = RSWAP(val);
 213         }
 214 }
 215
 216 void ne2000_insw(unsigned int addr, void *vbuf, unsigned long len)
 217 {
 218         volatile unsigned short *rp;
 219         unsigned short          w, *buf;
 220
 221         buf = (unsigned short *) vbuf;
 222         rp = (volatile unsigned short *) NE2000_DATA_PTR(addr);
 223         for (; (len > 0); len--) {
 224                 w = *rp;
 225                 *buf++ = BSWAP(w);
 226         }
 227 }
 228
 229 void ne2000_outsb(unsigned int addr, const void *vbuf, unsigned long len)
 230 {
 231         NE2000_BYTE     *rp, val;
 232         unsigned char   *buf;
 233
 234         buf = (unsigned char *) vbuf;
 235         rp = (NE2000_BYTE *) NE2000_DATA_PTR(addr);
 236         for (; (len > 0); len--) {
 237                 val = *buf++;
 238                 *rp = RSWAP(val);
 239         }
 240 }
 241
 242 void ne2000_outsw(unsigned int addr, const void *vbuf, unsigned long len)
 243 {
 244         volatile unsigned short *rp;
 245         unsigned short          w, *buf;
 246
 247         buf = (unsigned short *) vbuf;
 248         rp = (volatile unsigned short *) NE2000_DATA_PTR(addr);
 249         for (; (len > 0); len--) {
 250                 w = *buf++;
 251                 *rp = BSWAP(w);
 252         }
 253 }
 254
 255 #endif /* COLDFIRE_NE2000_FUNCS */
 256 #endif /* NE2000_OFFOFFSET */
 257
 258 /****************************************************************************/
 259
 260 #ifdef COLDFIRE_NE2000_FUNCS
 261
 262 /*
 263  *      Lastly the interrupt set up code...
 264  *      Minor differences between the different board types.
 265  */
 266
 267 #if defined(CONFIG_M5206) && defined(CONFIG_ARNEWSH)
 268 void ne2000_irqsetup(int irq)
 269 {
 270         volatile unsigned char  *icrp;
 271
 272         icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_ICR4);
 273         *icrp = MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI2;
 274         mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT4);
 275 }
 276 #endif
 277
 278 #if defined(CONFIG_M5206e) && defined(CONFIG_MOTOROLA)
 279 void ne2000_irqsetup(int irq)
 280 {
 281         volatile unsigned char  *icrp;
 282
 283         icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_ICR4);
 284         *icrp = MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI2 | MCFSIM_ICR_AUTOVEC;
 285         mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT4);
 286 }
 287 #endif
 288
 289 #if defined(CONFIG_M5206e) && defined(CONFIG_CFV240)
 290 void ne2000_irqsetup(int irq)
 291 {
 292         volatile unsigned char  *icrp;
 293
 294         icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_ICR1);
 295         *icrp = MCFSIM_ICR_LEVEL1 | MCFSIM_ICR_PRI2 | MCFSIM_ICR_AUTOVEC;
 296         mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT1);
 297 }
 298 #endif
 299
 300 #if defined(CONFIG_M5206e) && defined(CONFIG_NETtel)
 301 void ne2000_irqsetup(int irq)
 302 {
 303         mcf_autovector(irq);
 304 }
 305 #endif
 306
 307 #if defined(CONFIG_M5272) && defined(CONFIG_NETtel)
 308 void ne2000_irqsetup(int irq)
 309 {
 310         volatile unsigned long  *icrp;
 311         volatile unsigned long  *pitr;
 312
 313         /* The NE2000 device uses external IRQ3 */
 314         icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
 315         *icrp = (*icrp & 0x77077777) | 0x00d00000;
 316
 317         pitr = (volatile unsigned long *) (MCF_MBAR + MCFSIM_PITR);
 318         *pitr = *pitr | 0x20000000;
 319 }
 320
 321 void ne2000_irqack(int irq)
 322 {
 323         volatile unsigned long  *icrp;
 324
 325         /* The NE2000 device uses external IRQ3 */
 326         icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
 327         *icrp = (*icrp & 0x77777777) | 0x00800000;
 328 }
 329 #endif
 330
 331 #if defined(CONFIG_M5307) || defined(CONFIG_M5407)
 332 #if defined(CONFIG_NETtel) || defined(CONFIG_SECUREEDGEMP3)
 333
 334 void ne2000_irqsetup(int irq)
 335 {
 336         mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT3);
 337         mcf_autovector(irq);
 338 }
 339
 340 #else
 341
 342 void ne2000_irqsetup(int irq)
 343 {
 344         mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT3);
 345 }
 346
 347 #endif /* ! CONFIG_NETtel || CONFIG_SECUREEDGEMP3 */
 348 #endif /* CONFIG_M5307 || CONFIG_M5407 */
 349
 350 #endif /* COLDFIRE_NE2000_FUNCS */
 351
 352 /****************************************************************************/
 353 #endif  /* mcfne_h */