Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |