git.gag.com Git - debian/gnuradio/blob - usrp/firmware/src/usrp2/eeprom_boot.a51

   1 ;--------------------------------------------------------
   2 ; Hand tweaked minimal eeprom boot code
   3 ;--------------------------------------------------------
   4         .module eeprom_boot
   5         .optsdcc -mmcs51 --model-small
   6
   7 ;--------------------------------------------------------
   8 ; Public variables in this module
   9 ;--------------------------------------------------------
  10         .globl _eeprom_init
  11         .globl _EP8FIFOBUF
  12         .globl _EP6FIFOBUF
  13         .globl _EP4FIFOBUF
  14         .globl _EP2FIFOBUF
  15         .globl _EP1INBUF
  16         .globl _EP1OUTBUF
  17         .globl _EP0BUF
  18         .globl _CT4
  19         .globl _CT3
  20         .globl _CT2
  21         .globl _CT1
  22         .globl _USBTEST
  23         .globl _TESTCFG
  24         .globl _DBUG
  25         .globl _UDMACRCQUAL
  26         .globl _UDMACRCL
  27         .globl _UDMACRCH
  28         .globl _GPIFHOLDAMOUNT
  29         .globl _FLOWSTBHPERIOD
  30         .globl _FLOWSTBEDGE
  31         .globl _FLOWSTB
  32         .globl _FLOWHOLDOFF
  33         .globl _FLOWEQ1CTL
  34         .globl _FLOWEQ0CTL
  35         .globl _FLOWLOGIC
  36         .globl _FLOWSTATE
  37         .globl _GPIFABORT
  38         .globl _GPIFREADYSTAT
  39         .globl _GPIFREADYCFG
  40         .globl _XGPIFSGLDATLNOX
  41         .globl _XGPIFSGLDATLX
  42         .globl _XGPIFSGLDATH
  43         .globl _EP8GPIFTRIG
  44         .globl _EP8GPIFPFSTOP
  45         .globl _EP8GPIFFLGSEL
  46         .globl _EP6GPIFTRIG
  47         .globl _EP6GPIFPFSTOP
  48         .globl _EP6GPIFFLGSEL
  49         .globl _EP4GPIFTRIG
  50         .globl _EP4GPIFPFSTOP
  51         .globl _EP4GPIFFLGSEL
  52         .globl _EP2GPIFTRIG
  53         .globl _EP2GPIFPFSTOP
  54         .globl _EP2GPIFFLGSEL
  55         .globl _GPIFTCB0
  56         .globl _GPIFTCB1
  57         .globl _GPIFTCB2
  58         .globl _GPIFTCB3
  59         .globl _GPIFADRL
  60         .globl _GPIFADRH
  61         .globl _GPIFCTLCFG
  62         .globl _GPIFIDLECTL
  63         .globl _GPIFIDLECS
  64         .globl _GPIFWFSELECT
  65         .globl _SETUPDAT
  66         .globl _SUDPTRCTL
  67         .globl _SUDPTRL
  68         .globl _SUDPTRH
  69         .globl _EP8FIFOBCL
  70         .globl _EP8FIFOBCH
  71         .globl _EP6FIFOBCL
  72         .globl _EP6FIFOBCH
  73         .globl _EP4FIFOBCL
  74         .globl _EP4FIFOBCH
  75         .globl _EP2FIFOBCL
  76         .globl _EP2FIFOBCH
  77         .globl _EP8FIFOFLGS
  78         .globl _EP6FIFOFLGS
  79         .globl _EP4FIFOFLGS
  80         .globl _EP2FIFOFLGS
  81         .globl _EP8CS
  82         .globl _EP6CS
  83         .globl _EP4CS
  84         .globl _EP2CS
  85         .globl _EP1INCS
  86         .globl _EP1OUTCS
  87         .globl _EP0CS
  88         .globl _EP8BCL
  89         .globl _EP8BCH
  90         .globl _EP6BCL
  91         .globl _EP6BCH
  92         .globl _EP4BCL
  93         .globl _EP4BCH
  94         .globl _EP2BCL
  95         .globl _EP2BCH
  96         .globl _EP1INBC
  97         .globl _EP1OUTBC
  98         .globl _EP0BCL
  99         .globl _EP0BCH
 100         .globl _FNADDR
 101         .globl _MICROFRAME
 102         .globl _USBFRAMEL
 103         .globl _USBFRAMEH
 104         .globl _TOGCTL
 105         .globl _WAKEUPCS
 106         .globl _SUSPEND
 107         .globl _USBCS
 108         .globl _XAUTODAT2
 109         .globl _XAUTODAT1
 110         .globl _I2CTL
 111         .globl _I2DAT
 112         .globl _I2CS
 113         .globl _PORTECFG
 114         .globl _PORTCCFG
 115         .globl _PORTACFG
 116         .globl _INTSETUP
 117         .globl _INT4IVEC
 118         .globl _INT2IVEC
 119         .globl _CLRERRCNT
 120         .globl _ERRCNTLIM
 121         .globl _USBERRIRQ
 122         .globl _USBERRIE
 123         .globl _GPIFIRQ
 124         .globl _GPIFIE
 125         .globl _EPIRQ
 126         .globl _EPIE
 127         .globl _USBIRQ
 128         .globl _USBIE
 129         .globl _NAKIRQ
 130         .globl _NAKIE
 131         .globl _IBNIRQ
 132         .globl _IBNIE
 133         .globl _EP8FIFOIRQ
 134         .globl _EP8FIFOIE
 135         .globl _EP6FIFOIRQ
 136         .globl _EP6FIFOIE
 137         .globl _EP4FIFOIRQ
 138         .globl _EP4FIFOIE
 139         .globl _EP2FIFOIRQ
 140         .globl _EP2FIFOIE
 141         .globl _OUTPKTEND
 142         .globl _INPKTEND
 143         .globl _EP8ISOINPKTS
 144         .globl _EP6ISOINPKTS
 145         .globl _EP4ISOINPKTS
 146         .globl _EP2ISOINPKTS
 147         .globl _EP8FIFOPFL
 148         .globl _EP8FIFOPFH
 149         .globl _EP6FIFOPFL
 150         .globl _EP6FIFOPFH
 151         .globl _EP4FIFOPFL
 152         .globl _EP4FIFOPFH
 153         .globl _EP2FIFOPFL
 154         .globl _EP2FIFOPFH
 155         .globl _EP8AUTOINLENL
 156         .globl _EP8AUTOINLENH
 157         .globl _EP6AUTOINLENL
 158         .globl _EP6AUTOINLENH
 159         .globl _EP4AUTOINLENL
 160         .globl _EP4AUTOINLENH
 161         .globl _EP2AUTOINLENL
 162         .globl _EP2AUTOINLENH
 163         .globl _EP8FIFOCFG
 164         .globl _EP6FIFOCFG
 165         .globl _EP4FIFOCFG
 166         .globl _EP2FIFOCFG
 167         .globl _EP8CFG
 168         .globl _EP6CFG
 169         .globl _EP4CFG
 170         .globl _EP2CFG
 171         .globl _EP1INCFG
 172         .globl _EP1OUTCFG
 173         .globl _REVCTL
 174         .globl _REVID
 175         .globl _FIFOPINPOLAR
 176         .globl _UART230
 177         .globl _BPADDRL
 178         .globl _BPADDRH
 179         .globl _BREAKPT
 180         .globl _FIFORESET
 181         .globl _PINFLAGSCD
 182         .globl _PINFLAGSAB
 183         .globl _IFCONFIG
 184         .globl _CPUCS
 185         .globl _RES_WAVEDATA_END
 186         .globl _GPIF_WAVE_DATA
 187 ;--------------------------------------------------------
 188 ; special function registers
 189 ;--------------------------------------------------------
 190 _IOA    =       0x0080
 191 _SP     =       0x0081
 192 _DPL    =       0x0082
 193 _DPH    =       0x0083
 194 _DPL1   =       0x0084
 195 _DPH1   =       0x0085
 196 _DPS    =       0x0086
 197 _PCON   =       0x0087
 198 _TCON   =       0x0088
 199 _TMOD   =       0x0089
 200 _TL0    =       0x008a
 201 _TL1    =       0x008b
 202 _TH0    =       0x008c
 203 _TH1    =       0x008d
 204 _CKCON  =       0x008e
 205 _IOB    =       0x0090
 206 _EXIF   =       0x0091
 207 _MPAGE  =       0x0092
 208 _SCON0  =       0x0098
 209 _SBUF0  =       0x0099
 210 _APTR1H =       0x009a
 211 _APTR1L =       0x009b
 212 _AUTODAT1       =       0x009c
 213 _AUTOPTRH2      =       0x009d
 214 _AUTOPTRL2      =       0x009e
 215 _AUTODAT2       =       0x009f
 216 _IOC    =       0x00a0
 217 _INT2CLR        =       0x00a1
 218 _INT4CLR        =       0x00a2
 219 _IE     =       0x00a8
 220 _EP2468STAT     =       0x00aa
 221 _EP24FIFOFLGS   =       0x00ab
 222 _EP68FIFOFLGS   =       0x00ac
 223 _AUTOPTRSETUP   =       0x00af
 224 _IOD    =       0x00b0
 225 _IOE    =       0x00b1
 226 _OEA    =       0x00b2
 227 _OEB    =       0x00b3
 228 _OEC    =       0x00b4
 229 _OED    =       0x00b5
 230 _OEE    =       0x00b6
 231 _IP     =       0x00b8
 232 _EP01STAT       =       0x00ba
 233 _GPIFTRIG       =       0x00bb
 234 _GPIFSGLDATH    =       0x00bd
 235 _GPIFSGLDATLX   =       0x00be
 236 _GPIFSGLDATLNOX =       0x00bf
 237 _SCON1  =       0x00c0
 238 _SBUF1  =       0x00c1
 239 _T2CON  =       0x00c8
 240 _RCAP2L =       0x00ca
 241 _RCAP2H =       0x00cb
 242 _TL2    =       0x00cc
 243 _TH2    =       0x00cd
 244 _PSW    =       0x00d0
 245 _EICON  =       0x00d8
 246 _ACC    =       0x00e0
 247 _EIE    =       0x00e8
 248 _B      =       0x00f0
 249 _EIP    =       0x00f8
 250 ;--------------------------------------------------------
 251 ; special function bits
 252 ;--------------------------------------------------------
 253 _SEL    =       0x0086
 254 _IT0    =       0x0088
 255 _IE0    =       0x0089
 256 _IT1    =       0x008a
 257 _IE1    =       0x008b
 258 _TR0    =       0x008c
 259 _TF0    =       0x008d
 260 _TR1    =       0x008e
 261 _TF1    =       0x008f
 262 _RI     =       0x0098
 263 _TI     =       0x0099
 264 _RB8    =       0x009a
 265 _TB8    =       0x009b
 266 _REN    =       0x009c
 267 _SM2    =       0x009d
 268 _SM1    =       0x009e
 269 _SM0    =       0x009f
 270 _EX0    =       0x00a8
 271 _ET0    =       0x00a9
 272 _EX1    =       0x00aa
 273 _ET1    =       0x00ab
 274 _ES0    =       0x00ac
 275 _ET2    =       0x00ad
 276 _ES1    =       0x00ae
 277 _EA     =       0x00af
 278 _PX0    =       0x00b8
 279 _PT0    =       0x00b9
 280 _PX1    =       0x00ba
 281 _PT1    =       0x00bb
 282 _PS0    =       0x00bc
 283 _PT2    =       0x00bd
 284 _PS1    =       0x00be
 285 _RI1    =       0x00c0
 286 _TI1    =       0x00c1
 287 _RB81   =       0x00c2
 288 _TB81   =       0x00c3
 289 _REN1   =       0x00c4
 290 _SM21   =       0x00c5
 291 _SM11   =       0x00c6
 292 _SM01   =       0x00c7
 293 _CP_RL2 =       0x00c8
 294 _C_T2   =       0x00c9
 295 _TR2    =       0x00ca
 296 _EXEN2  =       0x00cb
 297 _TCLK   =       0x00cc
 298 _RCLK   =       0x00cd
 299 _EXF2   =       0x00ce
 300 _TF2    =       0x00cf
 301 _P      =       0x00d0
 302 _FL     =       0x00d1
 303 _OV     =       0x00d2
 304 _RS0    =       0x00d3
 305 _RS1    =       0x00d4
 306 _F0     =       0x00d5
 307 _AC     =       0x00d6
 308 _CY     =       0x00d7
 309 _INT6   =       0x00db
 310 _RESI   =       0x00dc
 311 _ERESI  =       0x00dd
 312 _SMOD1  =       0x00df
 313 _EIUSB  =       0x00e8
 314 _EI2C   =       0x00e9
 315 _EIEX4  =       0x00ea
 316 _EIEX5  =       0x00eb
 317 _EIEX6  =       0x00ec
 318 _PUSB   =       0x00f8
 319 _PI2C   =       0x00f9
 320 _EIPX4  =       0x00fa
 321 _EIPX5  =       0x00fb
 322 _EIPX6  =       0x00fc
 323 _bitS_CLK       =       0x0080
 324 _bitS_OUT       =       0x0081
 325 _bitS_IN        =       0x0082
 326 _bitALTERA_DATA0        =       0x00a1
 327 _bitALTERA_DCLK =       0x00a3
 328 ;--------------------------------------------------------
 329 ; overlayable register banks
 330 ;--------------------------------------------------------
 331         .area REG_BANK_0        (REL,OVR,DATA)
 332         .ds 8
 333 ;--------------------------------------------------------
 334 ; internal ram data
 335 ;--------------------------------------------------------
 336         .area DSEG    (DATA)
 337 ;--------------------------------------------------------
 338 ; overlayable items in internal ram
 339 ;--------------------------------------------------------
 340         .area OSEG    (OVR,DATA)
 341 ;--------------------------------------------------------
 342 ; Stack segment in internal ram
 343 ;--------------------------------------------------------
 344         .area   SSEG    (DATA)
 345 __start__stack:
 346         .ds     1
 347
 348 ;--------------------------------------------------------
 349 ; indirectly addressable internal ram data
 350 ;--------------------------------------------------------
 351         .area ISEG    (DATA)
 352 ;--------------------------------------------------------
 353 ; bit data
 354 ;--------------------------------------------------------
 355         .area BSEG    (BIT)
 356 ;--------------------------------------------------------
 357 ; external ram data
 358 ;--------------------------------------------------------
 359         .area XSEG    (XDATA)
 360 _GPIF_WAVE_DATA =       0xe400
 361 _RES_WAVEDATA_END       =       0xe480
 362 _CPUCS  =       0xe600
 363 _IFCONFIG       =       0xe601
 364 _PINFLAGSAB     =       0xe602
 365 _PINFLAGSCD     =       0xe603
 366 _FIFORESET      =       0xe604
 367 _BREAKPT        =       0xe605
 368 _BPADDRH        =       0xe606
 369 _BPADDRL        =       0xe607
 370 _UART230        =       0xe608
 371 _FIFOPINPOLAR   =       0xe609
 372 _REVID  =       0xe60a
 373 _REVCTL =       0xe60b
 374 _EP1OUTCFG      =       0xe610
 375 _EP1INCFG       =       0xe611
 376 _EP2CFG =       0xe612
 377 _EP4CFG =       0xe613
 378 _EP6CFG =       0xe614
 379 _EP8CFG =       0xe615
 380 _EP2FIFOCFG     =       0xe618
 381 _EP4FIFOCFG     =       0xe619
 382 _EP6FIFOCFG     =       0xe61a
 383 _EP8FIFOCFG     =       0xe61b
 384 _EP2AUTOINLENH  =       0xe620
 385 _EP2AUTOINLENL  =       0xe621
 386 _EP4AUTOINLENH  =       0xe622
 387 _EP4AUTOINLENL  =       0xe623
 388 _EP6AUTOINLENH  =       0xe624
 389 _EP6AUTOINLENL  =       0xe625
 390 _EP8AUTOINLENH  =       0xe626
 391 _EP8AUTOINLENL  =       0xe627
 392 _EP2FIFOPFH     =       0xe630
 393 _EP2FIFOPFL     =       0xe631
 394 _EP4FIFOPFH     =       0xe632
 395 _EP4FIFOPFL     =       0xe633
 396 _EP6FIFOPFH     =       0xe634
 397 _EP6FIFOPFL     =       0xe635
 398 _EP8FIFOPFH     =       0xe636
 399 _EP8FIFOPFL     =       0xe637
 400 _EP2ISOINPKTS   =       0xe640
 401 _EP4ISOINPKTS   =       0xe641
 402 _EP6ISOINPKTS   =       0xe642
 403 _EP8ISOINPKTS   =       0xe643
 404 _INPKTEND       =       0xe648
 405 _OUTPKTEND      =       0xe649
 406 _EP2FIFOIE      =       0xe650
 407 _EP2FIFOIRQ     =       0xe651
 408 _EP4FIFOIE      =       0xe652
 409 _EP4FIFOIRQ     =       0xe653
 410 _EP6FIFOIE      =       0xe654
 411 _EP6FIFOIRQ     =       0xe655
 412 _EP8FIFOIE      =       0xe656
 413 _EP8FIFOIRQ     =       0xe657
 414 _IBNIE  =       0xe658
 415 _IBNIRQ =       0xe659
 416 _NAKIE  =       0xe65a
 417 _NAKIRQ =       0xe65b
 418 _USBIE  =       0xe65c
 419 _USBIRQ =       0xe65d
 420 _EPIE   =       0xe65e
 421 _EPIRQ  =       0xe65f
 422 _GPIFIE =       0xe660
 423 _GPIFIRQ        =       0xe661
 424 _USBERRIE       =       0xe662
 425 _USBERRIRQ      =       0xe663
 426 _ERRCNTLIM      =       0xe664
 427 _CLRERRCNT      =       0xe665
 428 _INT2IVEC       =       0xe666
 429 _INT4IVEC       =       0xe667
 430 _INTSETUP       =       0xe668
 431 _PORTACFG       =       0xe670
 432 _PORTCCFG       =       0xe671
 433 _PORTECFG       =       0xe672
 434 _I2CS   =       0xe678
 435 _I2DAT  =       0xe679
 436 _I2CTL  =       0xe67a
 437 _XAUTODAT1      =       0xe67b
 438 _XAUTODAT2      =       0xe67c
 439 _USBCS  =       0xe680
 440 _SUSPEND        =       0xe681
 441 _WAKEUPCS       =       0xe682
 442 _TOGCTL =       0xe683
 443 _USBFRAMEH      =       0xe684
 444 _USBFRAMEL      =       0xe685
 445 _MICROFRAME     =       0xe686
 446 _FNADDR =       0xe687
 447 _EP0BCH =       0xe68a
 448 _EP0BCL =       0xe68b
 449 _EP1OUTBC       =       0xe68d
 450 _EP1INBC        =       0xe68f
 451 _EP2BCH =       0xe690
 452 _EP2BCL =       0xe691
 453 _EP4BCH =       0xe694
 454 _EP4BCL =       0xe695
 455 _EP6BCH =       0xe698
 456 _EP6BCL =       0xe699
 457 _EP8BCH =       0xe69c
 458 _EP8BCL =       0xe69d
 459 _EP0CS  =       0xe6a0
 460 _EP1OUTCS       =       0xe6a1
 461 _EP1INCS        =       0xe6a2
 462 _EP2CS  =       0xe6a3
 463 _EP4CS  =       0xe6a4
 464 _EP6CS  =       0xe6a5
 465 _EP8CS  =       0xe6a6
 466 _EP2FIFOFLGS    =       0xe6a7
 467 _EP4FIFOFLGS    =       0xe6a8
 468 _EP6FIFOFLGS    =       0xe6a9
 469 _EP8FIFOFLGS    =       0xe6aa
 470 _EP2FIFOBCH     =       0xe6ab
 471 _EP2FIFOBCL     =       0xe6ac
 472 _EP4FIFOBCH     =       0xe6ad
 473 _EP4FIFOBCL     =       0xe6ae
 474 _EP6FIFOBCH     =       0xe6af
 475 _EP6FIFOBCL     =       0xe6b0
 476 _EP8FIFOBCH     =       0xe6b1
 477 _EP8FIFOBCL     =       0xe6b2
 478 _SUDPTRH        =       0xe6b3
 479 _SUDPTRL        =       0xe6b4
 480 _SUDPTRCTL      =       0xe6b5
 481 _SETUPDAT       =       0xe6b8
 482 _GPIFWFSELECT   =       0xe6c0
 483 _GPIFIDLECS     =       0xe6c1
 484 _GPIFIDLECTL    =       0xe6c2
 485 _GPIFCTLCFG     =       0xe6c3
 486 _GPIFADRH       =       0xe6c4
 487 _GPIFADRL       =       0xe6c5
 488 _GPIFTCB3       =       0xe6ce
 489 _GPIFTCB2       =       0xe6cf
 490 _GPIFTCB1       =       0xe6d0
 491 _GPIFTCB0       =       0xe6d1
 492 _EP2GPIFFLGSEL  =       0xe6d2
 493 _EP2GPIFPFSTOP  =       0xe6d3
 494 _EP2GPIFTRIG    =       0xe6d4
 495 _EP4GPIFFLGSEL  =       0xe6da
 496 _EP4GPIFPFSTOP  =       0xe6db
 497 _EP4GPIFTRIG    =       0xe6dc
 498 _EP6GPIFFLGSEL  =       0xe6e2
 499 _EP6GPIFPFSTOP  =       0xe6e3
 500 _EP6GPIFTRIG    =       0xe6e4
 501 _EP8GPIFFLGSEL  =       0xe6ea
 502 _EP8GPIFPFSTOP  =       0xe6eb
 503 _EP8GPIFTRIG    =       0xe6ec
 504 _XGPIFSGLDATH   =       0xe6f0
 505 _XGPIFSGLDATLX  =       0xe6f1
 506 _XGPIFSGLDATLNOX        =       0xe6f2
 507 _GPIFREADYCFG   =       0xe6f3
 508 _GPIFREADYSTAT  =       0xe6f4
 509 _GPIFABORT      =       0xe6f5
 510 _FLOWSTATE      =       0xe6c6
 511 _FLOWLOGIC      =       0xe6c7
 512 _FLOWEQ0CTL     =       0xe6c8
 513 _FLOWEQ1CTL     =       0xe6c9
 514 _FLOWHOLDOFF    =       0xe6ca
 515 _FLOWSTB        =       0xe6cb
 516 _FLOWSTBEDGE    =       0xe6cc
 517 _FLOWSTBHPERIOD =       0xe6cd
 518 _GPIFHOLDAMOUNT =       0xe60c
 519 _UDMACRCH       =       0xe67d
 520 _UDMACRCL       =       0xe67e
 521 _UDMACRCQUAL    =       0xe67f
 522 _DBUG   =       0xe6f8
 523 _TESTCFG        =       0xe6f9
 524 _USBTEST        =       0xe6fa
 525 _CT1    =       0xe6fb
 526 _CT2    =       0xe6fc
 527 _CT3    =       0xe6fd
 528 _CT4    =       0xe6fe
 529 _EP0BUF =       0xe740
 530 _EP1OUTBUF      =       0xe780
 531 _EP1INBUF       =       0xe7c0
 532 _EP2FIFOBUF     =       0xf000
 533 _EP4FIFOBUF     =       0xf400
 534 _EP6FIFOBUF     =       0xf800
 535 _EP8FIFOBUF     =       0xfc00
 536 ;--------------------------------------------------------
 537 ; external initialized ram data
 538 ;--------------------------------------------------------
 539 ;--------------------------------------------------------
 540 ; interrupt vector
 541 ;--------------------------------------------------------
 542         .area CSEG    (CODE)
 543 __interrupt_vect:
 544         ljmp    __sdcc_gsinit_startup
 545 ;--------------------------------------------------------
 546 ; global & static initialisations
 547 ;--------------------------------------------------------
 548         .area GSINIT  (CODE)
 549         .area GSFINAL (CODE)
 550         .area GSINIT  (CODE)
 551 __sdcc_gsinit_startup:
 552         mov     sp,#__start__stack - 1
 553         lcall   __sdcc_external_startup
 554         mov     a,dpl
 555         jz      __sdcc_init_data
 556         ljmp    __sdcc_program_startup
 557 __sdcc_init_data:
 558         .area GSFINAL (CODE)
 559         ljmp    __sdcc_program_startup
 560 ;--------------------------------------------------------
 561 ; Home
 562 ;--------------------------------------------------------
 563         .area HOME    (CODE)
 564         .area CSEG    (CODE)
 565 ;--------------------------------------------------------
 566 ; code
 567 ;--------------------------------------------------------
 568         .area CSEG    (CODE)
 569 __sdcc_program_startup:
 570         lcall   _eeprom_init
 571 ;       return from _eeprom_init will spin here
 572         sjmp .
 573         .area CSEG    (CODE)