include/asm-ppc/cpm2.h

   1 /*
   2  * Communication Processor Module v2.
   3  *
   4  * This file contains structures and information for the communication
   5  * processor channels found in the dual port RAM or parameter RAM.
   6  * All CPM control and status is available through the CPM2 internal
   7  * memory map.  See immap_cpm2.h for details.
   8  */
   9 #ifdef __KERNEL__
  10 #ifndef __CPM2__
  11 #define __CPM2__
  12
  13 #include <asm/immap_cpm2.h>
  14
  15 /* CPM Command register.
  16 */
  17 #define CPM_CR_RST      ((uint)0x80000000)
  18 #define CPM_CR_PAGE     ((uint)0x7c000000)
  19 #define CPM_CR_SBLOCK   ((uint)0x03e00000)
  20 #define CPM_CR_FLG      ((uint)0x00010000)
  21 #define CPM_CR_MCN      ((uint)0x00003fc0)
  22 #define CPM_CR_OPCODE   ((uint)0x0000000f)
  23
  24 /* Device sub-block and page codes.
  25 */
  26 #define CPM_CR_SCC1_SBLOCK      (0x04)
  27 #define CPM_CR_SCC2_SBLOCK      (0x05)
  28 #define CPM_CR_SCC3_SBLOCK      (0x06)
  29 #define CPM_CR_SCC4_SBLOCK      (0x07)
  30 #define CPM_CR_SMC1_SBLOCK      (0x08)
  31 #define CPM_CR_SMC2_SBLOCK      (0x09)
  32 #define CPM_CR_SPI_SBLOCK       (0x0a)
  33 #define CPM_CR_I2C_SBLOCK       (0x0b)
  34 #define CPM_CR_TIMER_SBLOCK     (0x0f)
  35 #define CPM_CR_RAND_SBLOCK      (0x0e)
  36 #define CPM_CR_FCC1_SBLOCK      (0x10)
  37 #define CPM_CR_FCC2_SBLOCK      (0x11)
  38 #define CPM_CR_FCC3_SBLOCK      (0x12)
  39 #define CPM_CR_IDMA1_SBLOCK     (0x14)
  40 #define CPM_CR_IDMA2_SBLOCK     (0x15)
  41 #define CPM_CR_IDMA3_SBLOCK     (0x16)
  42 #define CPM_CR_IDMA4_SBLOCK     (0x17)
  43 #define CPM_CR_MCC1_SBLOCK      (0x1c)
  44
  45 #define CPM_CR_FCC_SBLOCK(x)    (x + 0x10)
  46
  47 #define CPM_CR_SCC1_PAGE        (0x00)
  48 #define CPM_CR_SCC2_PAGE        (0x01)
  49 #define CPM_CR_SCC3_PAGE        (0x02)
  50 #define CPM_CR_SCC4_PAGE        (0x03)
  51 #define CPM_CR_SMC1_PAGE        (0x07)
  52 #define CPM_CR_SMC2_PAGE        (0x08)
  53 #define CPM_CR_SPI_PAGE         (0x09)
  54 #define CPM_CR_I2C_PAGE         (0x0a)
  55 #define CPM_CR_TIMER_PAGE       (0x0a)
  56 #define CPM_CR_RAND_PAGE        (0x0a)
  57 #define CPM_CR_FCC1_PAGE        (0x04)
  58 #define CPM_CR_FCC2_PAGE        (0x05)
  59 #define CPM_CR_FCC3_PAGE        (0x06)
  60 #define CPM_CR_IDMA1_PAGE       (0x07)
  61 #define CPM_CR_IDMA2_PAGE       (0x08)
  62 #define CPM_CR_IDMA3_PAGE       (0x09)
  63 #define CPM_CR_IDMA4_PAGE       (0x0a)
  64 #define CPM_CR_MCC1_PAGE        (0x07)
  65 #define CPM_CR_MCC2_PAGE        (0x08)
  66
  67 #define CPM_CR_FCC_PAGE(x)      (x + 0x04)
  68
  69 /* Some opcodes (there are more...later)
  70 */
  71 #define CPM_CR_INIT_TRX         ((ushort)0x0000)
  72 #define CPM_CR_INIT_RX          ((ushort)0x0001)
  73 #define CPM_CR_INIT_TX          ((ushort)0x0002)
  74 #define CPM_CR_HUNT_MODE        ((ushort)0x0003)
  75 #define CPM_CR_STOP_TX          ((ushort)0x0004)
  76 #define CPM_CR_GRA_STOP_TX      ((ushort)0x0005)
  77 #define CPM_CR_RESTART_TX       ((ushort)0x0006)
  78 #define CPM_CR_SET_GADDR        ((ushort)0x0008)
  79 #define CPM_CR_START_IDMA       ((ushort)0x0009)
  80 #define CPM_CR_STOP_IDMA        ((ushort)0x000b)
  81
  82 #define mk_cr_cmd(PG, SBC, MCN, OP) \
  83         ((PG << 26) | (SBC << 21) | (MCN << 6) | OP)
  84
  85 /* Dual Port RAM addresses.  The first 16K is available for almost
  86  * any CPM use, so we put the BDs there.  The first 128 bytes are
  87  * used for SMC1 and SMC2 parameter RAM, so we start allocating
  88  * BDs above that.  All of this must change when we start
  89  * downloading RAM microcode.
  90  */
  91 #define CPM_DATAONLY_BASE       ((uint)128)
  92 #define CPM_DP_NOSPACE          ((uint)0x7fffffff)
  93 #if defined(CONFIG_8272) || defined(CONFIG_MPC8555)
  94 #define CPM_DATAONLY_SIZE       ((uint)(8 * 1024) - CPM_DATAONLY_BASE)
  95 #define CPM_FCC_SPECIAL_BASE    ((uint)0x00009000)
  96 #else
  97 #define CPM_DATAONLY_SIZE       ((uint)(16 * 1024) - CPM_DATAONLY_BASE)
  98 #define CPM_FCC_SPECIAL_BASE    ((uint)0x0000b000)
  99 #endif
 100
 101 /* The number of pages of host memory we allocate for CPM.  This is
 102  * done early in kernel initialization to get physically contiguous
 103  * pages.
 104  */
 105 #define NUM_CPM_HOST_PAGES      2
 106
 107 /* Export the base address of the communication processor registers
 108  * and dual port ram.
 109  */
 110 extern          cpm_cpm2_t      *cpmp;   /* Pointer to comm processor */
 111
 112 extern unsigned long cpm_dpalloc(uint size, uint align);
 113 extern int cpm_dpfree(unsigned long offset);
 114 extern unsigned long cpm_dpalloc_fixed(unsigned long offset, uint size, uint align);
 115 extern void cpm_dpdump(void);
 116 extern void *cpm_dpram_addr(unsigned long offset);
 117 extern void cpm_setbrg(uint brg, uint rate);
 118 extern void cpm2_fastbrg(uint brg, uint rate, int div16);
 119 extern void cpm2_reset(void);
 120
 121
 122 /* Buffer descriptors used by many of the CPM protocols.
 123 */
 124 typedef struct cpm_buf_desc {
 125         ushort  cbd_sc;         /* Status and Control */
 126         ushort  cbd_datlen;     /* Data length in buffer */
 127         uint    cbd_bufaddr;    /* Buffer address in host memory */
 128 } cbd_t;
 129
 130 #define BD_SC_EMPTY     ((ushort)0x8000)        /* Receive is empty */
 131 #define BD_SC_READY     ((ushort)0x8000)        /* Transmit is ready */
 132 #define BD_SC_WRAP      ((ushort)0x2000)        /* Last buffer descriptor */
 133 #define BD_SC_INTRPT    ((ushort)0x1000)        /* Interrupt on change */
 134 #define BD_SC_LAST      ((ushort)0x0800)        /* Last buffer in frame */
 135 #define BD_SC_CM        ((ushort)0x0200)        /* Continous mode */
 136 #define BD_SC_ID        ((ushort)0x0100)        /* Rec'd too many idles */
 137 #define BD_SC_P         ((ushort)0x0100)        /* xmt preamble */
 138 #define BD_SC_BR        ((ushort)0x0020)        /* Break received */
 139 #define BD_SC_FR        ((ushort)0x0010)        /* Framing error */
 140 #define BD_SC_PR        ((ushort)0x0008)        /* Parity error */
 141 #define BD_SC_OV        ((ushort)0x0002)        /* Overrun */
 142 #define BD_SC_CD        ((ushort)0x0001)        /* ?? */
 143
 144 /* Function code bits, usually generic to devices.
 145 */
 146 #define CPMFCR_GBL      ((u_char)0x20)  /* Set memory snooping */
 147 #define CPMFCR_EB       ((u_char)0x10)  /* Set big endian byte order */
 148 #define CPMFCR_TC2      ((u_char)0x04)  /* Transfer code 2 value */
 149 #define CPMFCR_DTB      ((u_char)0x02)  /* Use local bus for data when set */
 150 #define CPMFCR_BDB      ((u_char)0x01)  /* Use local bus for BD when set */
 151
 152 /* Parameter RAM offsets from the base.
 153 */
 154 #define PROFF_SCC1              ((uint)0x8000)
 155 #define PROFF_SCC2              ((uint)0x8100)
 156 #define PROFF_SCC3              ((uint)0x8200)
 157 #define PROFF_SCC4              ((uint)0x8300)
 158 #define PROFF_FCC1              ((uint)0x8400)
 159 #define PROFF_FCC2              ((uint)0x8500)
 160 #define PROFF_FCC3              ((uint)0x8600)
 161 #define PROFF_MCC1              ((uint)0x8700)
 162 #define PROFF_SMC1_BASE         ((uint)0x87fc)
 163 #define PROFF_IDMA1_BASE        ((uint)0x87fe)
 164 #define PROFF_MCC2              ((uint)0x8800)
 165 #define PROFF_SMC2_BASE         ((uint)0x88fc)
 166 #define PROFF_IDMA2_BASE        ((uint)0x88fe)
 167 #define PROFF_SPI_BASE          ((uint)0x89fc)
 168 #define PROFF_IDMA3_BASE        ((uint)0x89fe)
 169 #define PROFF_TIMERS            ((uint)0x8ae0)
 170 #define PROFF_REVNUM            ((uint)0x8af0)
 171 #define PROFF_RAND              ((uint)0x8af8)
 172 #define PROFF_I2C_BASE          ((uint)0x8afc)
 173 #define PROFF_IDMA4_BASE        ((uint)0x8afe)
 174
 175 #define PROFF_SCC_SIZE          ((uint)0x100)
 176 #define PROFF_FCC_SIZE          ((uint)0x100)
 177 #define PROFF_SMC_SIZE          ((uint)64)
 178
 179 /* The SMCs are relocated to any of the first eight DPRAM pages.
 180  * We will fix these at the first locations of DPRAM, until we
 181  * get some microcode patches :-).
 182  * The parameter ram space for the SMCs is fifty-some bytes, and
 183  * they are required to start on a 64 byte boundary.
 184  */
 185 #define PROFF_SMC1      (0)
 186 #define PROFF_SMC2      (64)
 187
 188
 189 /* Define enough so I can at least use the serial port as a UART.
 190  */
 191 typedef struct smc_uart {
 192         ushort  smc_rbase;      /* Rx Buffer descriptor base address */
 193         ushort  smc_tbase;      /* Tx Buffer descriptor base address */
 194         u_char  smc_rfcr;       /* Rx function code */
 195         u_char  smc_tfcr;       /* Tx function code */
 196         ushort  smc_mrblr;      /* Max receive buffer length */
 197         uint    smc_rstate;     /* Internal */
 198         uint    smc_idp;        /* Internal */
 199         ushort  smc_rbptr;      /* Internal */
 200         ushort  smc_ibc;        /* Internal */
 201         uint    smc_rxtmp;      /* Internal */
 202         uint    smc_tstate;     /* Internal */
 203         uint    smc_tdp;        /* Internal */
 204         ushort  smc_tbptr;      /* Internal */
 205         ushort  smc_tbc;        /* Internal */
 206         uint    smc_txtmp;      /* Internal */
 207         ushort  smc_maxidl;     /* Maximum idle characters */
 208         ushort  smc_tmpidl;     /* Temporary idle counter */
 209         ushort  smc_brklen;     /* Last received break length */
 210         ushort  smc_brkec;      /* rcv'd break condition counter */
 211         ushort  smc_brkcr;      /* xmt break count register */
 212         ushort  smc_rmask;      /* Temporary bit mask */
 213         uint    smc_stmp;       /* SDMA Temp */
 214 } smc_uart_t;
 215
 216 /* SMC uart mode register (Internal memory map).
 217 */
 218 #define SMCMR_REN       ((ushort)0x0001)
 219 #define SMCMR_TEN       ((ushort)0x0002)
 220 #define SMCMR_DM        ((ushort)0x000c)
 221 #define SMCMR_SM_GCI    ((ushort)0x0000)
 222 #define SMCMR_SM_UART   ((ushort)0x0020)
 223 #define SMCMR_SM_TRANS  ((ushort)0x0030)
 224 #define SMCMR_SM_MASK   ((ushort)0x0030)
 225 #define SMCMR_PM_EVEN   ((ushort)0x0100)        /* Even parity, else odd */
 226 #define SMCMR_REVD      SMCMR_PM_EVEN
 227 #define SMCMR_PEN       ((ushort)0x0200)        /* Parity enable */
 228 #define SMCMR_BS        SMCMR_PEN
 229 #define SMCMR_SL        ((ushort)0x0400)        /* Two stops, else one */
 230 #define SMCR_CLEN_MASK  ((ushort)0x7800)        /* Character length */
 231 #define smcr_mk_clen(C) (((C) << 11) & SMCR_CLEN_MASK)
 232
 233 /* SMC Event and Mask register.
 234 */
 235 #define SMCM_BRKE       ((unsigned char)0x40)   /* When in UART Mode */
 236 #define SMCM_BRK        ((unsigned char)0x10)   /* When in UART Mode */
 237 #define SMCM_TXE        ((unsigned char)0x10)
 238 #define SMCM_BSY        ((unsigned char)0x04)
 239 #define SMCM_TX         ((unsigned char)0x02)
 240 #define SMCM_RX         ((unsigned char)0x01)
 241
 242 /* Baud rate generators.
 243 */
 244 #define CPM_BRG_RST             ((uint)0x00020000)
 245 #define CPM_BRG_EN              ((uint)0x00010000)
 246 #define CPM_BRG_EXTC_INT        ((uint)0x00000000)
 247 #define CPM_BRG_EXTC_CLK3_9     ((uint)0x00004000)
 248 #define CPM_BRG_EXTC_CLK5_15    ((uint)0x00008000)
 249 #define CPM_BRG_ATB             ((uint)0x00002000)
 250 #define CPM_BRG_CD_MASK         ((uint)0x00001ffe)
 251 #define CPM_BRG_DIV16           ((uint)0x00000001)
 252
 253 /* SCCs.
 254 */
 255 #define SCC_GSMRH_IRP           ((uint)0x00040000)
 256 #define SCC_GSMRH_GDE           ((uint)0x00010000)
 257 #define SCC_GSMRH_TCRC_CCITT    ((uint)0x00008000)
 258 #define SCC_GSMRH_TCRC_BISYNC   ((uint)0x00004000)
 259 #define SCC_GSMRH_TCRC_HDLC     ((uint)0x00000000)
 260 #define SCC_GSMRH_REVD          ((uint)0x00002000)
 261 #define SCC_GSMRH_TRX           ((uint)0x00001000)
 262 #define SCC_GSMRH_TTX           ((uint)0x00000800)
 263 #define SCC_GSMRH_CDP           ((uint)0x00000400)
 264 #define SCC_GSMRH_CTSP          ((uint)0x00000200)
 265 #define SCC_GSMRH_CDS           ((uint)0x00000100)
 266 #define SCC_GSMRH_CTSS          ((uint)0x00000080)
 267 #define SCC_GSMRH_TFL           ((uint)0x00000040)
 268 #define SCC_GSMRH_RFW           ((uint)0x00000020)
 269 #define SCC_GSMRH_TXSY          ((uint)0x00000010)
 270 #define SCC_GSMRH_SYNL16        ((uint)0x0000000c)
 271 #define SCC_GSMRH_SYNL8         ((uint)0x00000008)
 272 #define SCC_GSMRH_SYNL4         ((uint)0x00000004)
 273 #define SCC_GSMRH_RTSM          ((uint)0x00000002)
 274 #define SCC_GSMRH_RSYN          ((uint)0x00000001)
 275
 276 #define SCC_GSMRL_SIR           ((uint)0x80000000)      /* SCC2 only */
 277 #define SCC_GSMRL_EDGE_NONE     ((uint)0x60000000)
 278 #define SCC_GSMRL_EDGE_NEG      ((uint)0x40000000)
 279 #define SCC_GSMRL_EDGE_POS      ((uint)0x20000000)
 280 #define SCC_GSMRL_EDGE_BOTH     ((uint)0x00000000)
 281 #define SCC_GSMRL_TCI           ((uint)0x10000000)
 282 #define SCC_GSMRL_TSNC_3        ((uint)0x0c000000)
 283 #define SCC_GSMRL_TSNC_4        ((uint)0x08000000)
 284 #define SCC_GSMRL_TSNC_14       ((uint)0x04000000)
 285 #define SCC_GSMRL_TSNC_INF      ((uint)0x00000000)
 286 #define SCC_GSMRL_RINV          ((uint)0x02000000)
 287 #define SCC_GSMRL_TINV          ((uint)0x01000000)
 288 #define SCC_GSMRL_TPL_128       ((uint)0x00c00000)
 289 #define SCC_GSMRL_TPL_64        ((uint)0x00a00000)
 290 #define SCC_GSMRL_TPL_48        ((uint)0x00800000)
 291 #define SCC_GSMRL_TPL_32        ((uint)0x00600000)
 292 #define SCC_GSMRL_TPL_16        ((uint)0x00400000)
 293 #define SCC_GSMRL_TPL_8         ((uint)0x00200000)
 294 #define SCC_GSMRL_TPL_NONE      ((uint)0x00000000)
 295 #define SCC_GSMRL_TPP_ALL1      ((uint)0x00180000)
 296 #define SCC_GSMRL_TPP_01        ((uint)0x00100000)
 297 #define SCC_GSMRL_TPP_10        ((uint)0x00080000)
 298 #define SCC_GSMRL_TPP_ZEROS     ((uint)0x00000000)
 299 #define SCC_GSMRL_TEND          ((uint)0x00040000)
 300 #define SCC_GSMRL_TDCR_32       ((uint)0x00030000)
 301 #define SCC_GSMRL_TDCR_16       ((uint)0x00020000)
 302 #define SCC_GSMRL_TDCR_8        ((uint)0x00010000)
 303 #define SCC_GSMRL_TDCR_1        ((uint)0x00000000)
 304 #define SCC_GSMRL_RDCR_32       ((uint)0x0000c000)
 305 #define SCC_GSMRL_RDCR_16       ((uint)0x00008000)
 306 #define SCC_GSMRL_RDCR_8        ((uint)0x00004000)
 307 #define SCC_GSMRL_RDCR_1        ((uint)0x00000000)
 308 #define SCC_GSMRL_RENC_DFMAN    ((uint)0x00003000)
 309 #define SCC_GSMRL_RENC_MANCH    ((uint)0x00002000)
 310 #define SCC_GSMRL_RENC_FM0      ((uint)0x00001000)
 311 #define SCC_GSMRL_RENC_NRZI     ((uint)0x00000800)
 312 #define SCC_GSMRL_RENC_NRZ      ((uint)0x00000000)
 313 #define SCC_GSMRL_TENC_DFMAN    ((uint)0x00000600)
 314 #define SCC_GSMRL_TENC_MANCH    ((uint)0x00000400)
 315 #define SCC_GSMRL_TENC_FM0      ((uint)0x00000200)
 316 #define SCC_GSMRL_TENC_NRZI     ((uint)0x00000100)
 317 #define SCC_GSMRL_TENC_NRZ      ((uint)0x00000000)
 318 #define SCC_GSMRL_DIAG_LE       ((uint)0x000000c0)      /* Loop and echo */
 319 #define SCC_GSMRL_DIAG_ECHO     ((uint)0x00000080)
 320 #define SCC_GSMRL_DIAG_LOOP     ((uint)0x00000040)
 321 #define SCC_GSMRL_DIAG_NORM     ((uint)0x00000000)
 322 #define SCC_GSMRL_ENR           ((uint)0x00000020)
 323 #define SCC_GSMRL_ENT           ((uint)0x00000010)
 324 #define SCC_GSMRL_MODE_ENET     ((uint)0x0000000c)
 325 #define SCC_GSMRL_MODE_DDCMP    ((uint)0x00000009)
 326 #define SCC_GSMRL_MODE_BISYNC   ((uint)0x00000008)
 327 #define SCC_GSMRL_MODE_V14      ((uint)0x00000007)
 328 #define SCC_GSMRL_MODE_AHDLC    ((uint)0x00000006)
 329 #define SCC_GSMRL_MODE_PROFIBUS ((uint)0x00000005)
 330 #define SCC_GSMRL_MODE_UART     ((uint)0x00000004)
 331 #define SCC_GSMRL_MODE_SS7      ((uint)0x00000003)
 332 #define SCC_GSMRL_MODE_ATALK    ((uint)0x00000002)
 333 #define SCC_GSMRL_MODE_HDLC     ((uint)0x00000000)
 334
 335 #define SCC_TODR_TOD            ((ushort)0x8000)
 336
 337 /* SCC Event and Mask register.
 338 */
 339 #define SCCM_TXE        ((unsigned char)0x10)
 340 #define SCCM_BSY        ((unsigned char)0x04)
 341 #define SCCM_TX         ((unsigned char)0x02)
 342 #define SCCM_RX         ((unsigned char)0x01)
 343
 344 typedef struct scc_param {
 345         ushort  scc_rbase;      /* Rx Buffer descriptor base address */
 346         ushort  scc_tbase;      /* Tx Buffer descriptor base address */
 347         u_char  scc_rfcr;       /* Rx function code */
 348         u_char  scc_tfcr;       /* Tx function code */
 349         ushort  scc_mrblr;      /* Max receive buffer length */
 350         uint    scc_rstate;     /* Internal */
 351         uint    scc_idp;        /* Internal */
 352         ushort  scc_rbptr;      /* Internal */
 353         ushort  scc_ibc;        /* Internal */
 354         uint    scc_rxtmp;      /* Internal */
 355         uint    scc_tstate;     /* Internal */
 356         uint    scc_tdp;        /* Internal */
 357         ushort  scc_tbptr;      /* Internal */
 358         ushort  scc_tbc;        /* Internal */
 359         uint    scc_txtmp;      /* Internal */
 360         uint    scc_rcrc;       /* Internal */
 361         uint    scc_tcrc;       /* Internal */
 362 } sccp_t;
 363
 364 /* CPM Ethernet through SCC1.
 365  */
 366 typedef struct scc_enet {
 367         sccp_t  sen_genscc;
 368         uint    sen_cpres;      /* Preset CRC */
 369         uint    sen_cmask;      /* Constant mask for CRC */
 370         uint    sen_crcec;      /* CRC Error counter */
 371         uint    sen_alec;       /* alignment error counter */
 372         uint    sen_disfc;      /* discard frame counter */
 373         ushort  sen_pads;       /* Tx short frame pad character */
 374         ushort  sen_retlim;     /* Retry limit threshold */
 375         ushort  sen_retcnt;     /* Retry limit counter */
 376         ushort  sen_maxflr;     /* maximum frame length register */
 377         ushort  sen_minflr;     /* minimum frame length register */
 378         ushort  sen_maxd1;      /* maximum DMA1 length */
 379         ushort  sen_maxd2;      /* maximum DMA2 length */
 380         ushort  sen_maxd;       /* Rx max DMA */
 381         ushort  sen_dmacnt;     /* Rx DMA counter */
 382         ushort  sen_maxb;       /* Max BD byte count */
 383         ushort  sen_gaddr1;     /* Group address filter */
 384         ushort  sen_gaddr2;
 385         ushort  sen_gaddr3;
 386         ushort  sen_gaddr4;
 387         uint    sen_tbuf0data0; /* Save area 0 - current frame */
 388         uint    sen_tbuf0data1; /* Save area 1 - current frame */
 389         uint    sen_tbuf0rba;   /* Internal */
 390         uint    sen_tbuf0crc;   /* Internal */
 391         ushort  sen_tbuf0bcnt;  /* Internal */
 392         ushort  sen_paddrh;     /* physical address (MSB) */
 393         ushort  sen_paddrm;
 394         ushort  sen_paddrl;     /* physical address (LSB) */
 395         ushort  sen_pper;       /* persistence */
 396         ushort  sen_rfbdptr;    /* Rx first BD pointer */
 397         ushort  sen_tfbdptr;    /* Tx first BD pointer */
 398         ushort  sen_tlbdptr;    /* Tx last BD pointer */
 399         uint    sen_tbuf1data0; /* Save area 0 - current frame */
 400         uint    sen_tbuf1data1; /* Save area 1 - current frame */
 401         uint    sen_tbuf1rba;   /* Internal */
 402         uint    sen_tbuf1crc;   /* Internal */
 403         ushort  sen_tbuf1bcnt;  /* Internal */
 404         ushort  sen_txlen;      /* Tx Frame length counter */
 405         ushort  sen_iaddr1;     /* Individual address filter */
 406         ushort  sen_iaddr2;
 407         ushort  sen_iaddr3;
 408         ushort  sen_iaddr4;
 409         ushort  sen_boffcnt;    /* Backoff counter */
 410
 411         /* NOTE: Some versions of the manual have the following items
 412          * incorrectly documented.  Below is the proper order.
 413          */
 414         ushort  sen_taddrh;     /* temp address (MSB) */
 415         ushort  sen_taddrm;
 416         ushort  sen_taddrl;     /* temp address (LSB) */
 417 } scc_enet_t;
 418
 419
 420 /* SCC Event register as used by Ethernet.
 421 */
 422 #define SCCE_ENET_GRA   ((ushort)0x0080)        /* Graceful stop complete */
 423 #define SCCE_ENET_TXE   ((ushort)0x0010)        /* Transmit Error */
 424 #define SCCE_ENET_RXF   ((ushort)0x0008)        /* Full frame received */
 425 #define SCCE_ENET_BSY   ((ushort)0x0004)        /* All incoming buffers full */
 426 #define SCCE_ENET_TXB   ((ushort)0x0002)        /* A buffer was transmitted */
 427 #define SCCE_ENET_RXB   ((ushort)0x0001)        /* A buffer was received */
 428
 429 /* SCC Mode Register (PSMR) as used by Ethernet.
 430 */
 431 #define SCC_PSMR_HBC    ((ushort)0x8000)        /* Enable heartbeat */
 432 #define SCC_PSMR_FC     ((ushort)0x4000)        /* Force collision */
 433 #define SCC_PSMR_RSH    ((ushort)0x2000)        /* Receive short frames */
 434 #define SCC_PSMR_IAM    ((ushort)0x1000)        /* Check individual hash */
 435 #define SCC_PSMR_ENCRC  ((ushort)0x0800)        /* Ethernet CRC mode */
 436 #define SCC_PSMR_PRO    ((ushort)0x0200)        /* Promiscuous mode */
 437 #define SCC_PSMR_BRO    ((ushort)0x0100)        /* Catch broadcast pkts */
 438 #define SCC_PSMR_SBT    ((ushort)0x0080)        /* Special backoff timer */
 439 #define SCC_PSMR_LPB    ((ushort)0x0040)        /* Set Loopback mode */
 440 #define SCC_PSMR_SIP    ((ushort)0x0020)        /* Sample Input Pins */
 441 #define SCC_PSMR_LCW    ((ushort)0x0010)        /* Late collision window */
 442 #define SCC_PSMR_NIB22  ((ushort)0x000a)        /* Start frame search */
 443 #define SCC_PSMR_FDE    ((ushort)0x0001)        /* Full duplex enable */
 444
 445 /* Buffer descriptor control/status used by Ethernet receive.
 446  * Common to SCC and FCC.
 447  */
 448 #define BD_ENET_RX_EMPTY        ((ushort)0x8000)
 449 #define BD_ENET_RX_WRAP         ((ushort)0x2000)
 450 #define BD_ENET_RX_INTR         ((ushort)0x1000)
 451 #define BD_ENET_RX_LAST         ((ushort)0x0800)
 452 #define BD_ENET_RX_FIRST        ((ushort)0x0400)
 453 #define BD_ENET_RX_MISS         ((ushort)0x0100)
 454 #define BD_ENET_RX_BC           ((ushort)0x0080)        /* FCC Only */
 455 #define BD_ENET_RX_MC           ((ushort)0x0040)        /* FCC Only */
 456 #define BD_ENET_RX_LG           ((ushort)0x0020)
 457 #define BD_ENET_RX_NO           ((ushort)0x0010)
 458 #define BD_ENET_RX_SH           ((ushort)0x0008)
 459 #define BD_ENET_RX_CR           ((ushort)0x0004)
 460 #define BD_ENET_RX_OV           ((ushort)0x0002)
 461 #define BD_ENET_RX_CL           ((ushort)0x0001)
 462 #define BD_ENET_RX_STATS        ((ushort)0x01ff)        /* All status bits */
 463
 464 /* Buffer descriptor control/status used by Ethernet transmit.
 465  * Common to SCC and FCC.
 466  */
 467 #define BD_ENET_TX_READY        ((ushort)0x8000)
 468 #define BD_ENET_TX_PAD          ((ushort)0x4000)
 469 #define BD_ENET_TX_WRAP         ((ushort)0x2000)
 470 #define BD_ENET_TX_INTR         ((ushort)0x1000)
 471 #define BD_ENET_TX_LAST         ((ushort)0x0800)
 472 #define BD_ENET_TX_TC           ((ushort)0x0400)
 473 #define BD_ENET_TX_DEF          ((ushort)0x0200)
 474 #define BD_ENET_TX_HB           ((ushort)0x0100)
 475 #define BD_ENET_TX_LC           ((ushort)0x0080)
 476 #define BD_ENET_TX_RL           ((ushort)0x0040)
 477 #define BD_ENET_TX_RCMASK       ((ushort)0x003c)
 478 #define BD_ENET_TX_UN           ((ushort)0x0002)
 479 #define BD_ENET_TX_CSL          ((ushort)0x0001)
 480 #define BD_ENET_TX_STATS        ((ushort)0x03ff)        /* All status bits */
 481
 482 /* SCC as UART
 483 */
 484 typedef struct scc_uart {
 485         sccp_t  scc_genscc;
 486         uint    scc_res1;       /* Reserved */
 487         uint    scc_res2;       /* Reserved */
 488         ushort  scc_maxidl;     /* Maximum idle chars */
 489         ushort  scc_idlc;       /* temp idle counter */
 490         ushort  scc_brkcr;      /* Break count register */
 491         ushort  scc_parec;      /* receive parity error counter */
 492         ushort  scc_frmec;      /* receive framing error counter */
 493         ushort  scc_nosec;      /* receive noise counter */
 494         ushort  scc_brkec;      /* receive break condition counter */
 495         ushort  scc_brkln;      /* last received break length */
 496         ushort  scc_uaddr1;     /* UART address character 1 */
 497         ushort  scc_uaddr2;     /* UART address character 2 */
 498         ushort  scc_rtemp;      /* Temp storage */
 499         ushort  scc_toseq;      /* Transmit out of sequence char */
 500         ushort  scc_char1;      /* control character 1 */
 501         ushort  scc_char2;      /* control character 2 */
 502         ushort  scc_char3;      /* control character 3 */
 503         ushort  scc_char4;      /* control character 4 */
 504         ushort  scc_char5;      /* control character 5 */
 505         ushort  scc_char6;      /* control character 6 */
 506         ushort  scc_char7;      /* control character 7 */
 507         ushort  scc_char8;      /* control character 8 */
 508         ushort  scc_rccm;       /* receive control character mask */
 509         ushort  scc_rccr;       /* receive control character register */
 510         ushort  scc_rlbc;       /* receive last break character */
 511 } scc_uart_t;
 512
 513 /* SCC Event and Mask registers when it is used as a UART.
 514 */
 515 #define UART_SCCM_GLR           ((ushort)0x1000)
 516 #define UART_SCCM_GLT           ((ushort)0x0800)
 517 #define UART_SCCM_AB            ((ushort)0x0200)
 518 #define UART_SCCM_IDL           ((ushort)0x0100)
 519 #define UART_SCCM_GRA           ((ushort)0x0080)
 520 #define UART_SCCM_BRKE          ((ushort)0x0040)
 521 #define UART_SCCM_BRKS          ((ushort)0x0020)
 522 #define UART_SCCM_CCR           ((ushort)0x0008)
 523 #define UART_SCCM_BSY           ((ushort)0x0004)
 524 #define UART_SCCM_TX            ((ushort)0x0002)
 525 #define UART_SCCM_RX            ((ushort)0x0001)
 526
 527 /* The SCC PSMR when used as a UART.
 528 */
 529 #define SCU_PSMR_FLC            ((ushort)0x8000)
 530 #define SCU_PSMR_SL             ((ushort)0x4000)
 531 #define SCU_PSMR_CL             ((ushort)0x3000)
 532 #define SCU_PSMR_UM             ((ushort)0x0c00)
 533 #define SCU_PSMR_FRZ            ((ushort)0x0200)
 534 #define SCU_PSMR_RZS            ((ushort)0x0100)
 535 #define SCU_PSMR_SYN            ((ushort)0x0080)
 536 #define SCU_PSMR_DRT            ((ushort)0x0040)
 537 #define SCU_PSMR_PEN            ((ushort)0x0010)
 538 #define SCU_PSMR_RPM            ((ushort)0x000c)
 539 #define SCU_PSMR_REVP           ((ushort)0x0008)
 540 #define SCU_PSMR_TPM            ((ushort)0x0003)
 541 #define SCU_PSMR_TEVP           ((ushort)0x0002)
 542
 543 /* CPM Transparent mode SCC.
 544  */
 545 typedef struct scc_trans {
 546         sccp_t  st_genscc;
 547         uint    st_cpres;       /* Preset CRC */
 548         uint    st_cmask;       /* Constant mask for CRC */
 549 } scc_trans_t;
 550
 551 #define BD_SCC_TX_LAST          ((ushort)0x0800)
 552
 553 /* How about some FCCs.....
 554 */
 555 #define FCC_GFMR_DIAG_NORM      ((uint)0x00000000)
 556 #define FCC_GFMR_DIAG_LE        ((uint)0x40000000)
 557 #define FCC_GFMR_DIAG_AE        ((uint)0x80000000)
 558 #define FCC_GFMR_DIAG_ALE       ((uint)0xc0000000)
 559 #define FCC_GFMR_TCI            ((uint)0x20000000)
 560 #define FCC_GFMR_TRX            ((uint)0x10000000)
 561 #define FCC_GFMR_TTX            ((uint)0x08000000)
 562 #define FCC_GFMR_TTX            ((uint)0x08000000)
 563 #define FCC_GFMR_CDP            ((uint)0x04000000)
 564 #define FCC_GFMR_CTSP           ((uint)0x02000000)
 565 #define FCC_GFMR_CDS            ((uint)0x01000000)
 566 #define FCC_GFMR_CTSS           ((uint)0x00800000)
 567 #define FCC_GFMR_SYNL_NONE      ((uint)0x00000000)
 568 #define FCC_GFMR_SYNL_AUTO      ((uint)0x00004000)
 569 #define FCC_GFMR_SYNL_8         ((uint)0x00008000)
 570 #define FCC_GFMR_SYNL_16        ((uint)0x0000c000)
 571 #define FCC_GFMR_RTSM           ((uint)0x00002000)
 572 #define FCC_GFMR_RENC_NRZ       ((uint)0x00000000)
 573 #define FCC_GFMR_RENC_NRZI      ((uint)0x00000800)
 574 #define FCC_GFMR_REVD           ((uint)0x00000400)
 575 #define FCC_GFMR_TENC_NRZ       ((uint)0x00000000)
 576 #define FCC_GFMR_TENC_NRZI      ((uint)0x00000100)
 577 #define FCC_GFMR_TCRC_16        ((uint)0x00000000)
 578 #define FCC_GFMR_TCRC_32        ((uint)0x00000080)
 579 #define FCC_GFMR_ENR            ((uint)0x00000020)
 580 #define FCC_GFMR_ENT            ((uint)0x00000010)
 581 #define FCC_GFMR_MODE_ENET      ((uint)0x0000000c)
 582 #define FCC_GFMR_MODE_ATM       ((uint)0x0000000a)
 583 #define FCC_GFMR_MODE_HDLC      ((uint)0x00000000)
 584
 585 /* Generic FCC parameter ram.
 586 */
 587 typedef struct fcc_param {
 588         ushort  fcc_riptr;      /* Rx Internal temp pointer */
 589         ushort  fcc_tiptr;      /* Tx Internal temp pointer */
 590         ushort  fcc_res1;
 591         ushort  fcc_mrblr;      /* Max receive buffer length, mod 32 bytes */
 592         uint    fcc_rstate;     /* Upper byte is Func code, must be set */
 593         uint    fcc_rbase;      /* Receive BD base */
 594         ushort  fcc_rbdstat;    /* RxBD status */
 595         ushort  fcc_rbdlen;     /* RxBD down counter */
 596         uint    fcc_rdptr;      /* RxBD internal data pointer */
 597         uint    fcc_tstate;     /* Upper byte is Func code, must be set */
 598         uint    fcc_tbase;      /* Transmit BD base */
 599         ushort  fcc_tbdstat;    /* TxBD status */
 600         ushort  fcc_tbdlen;     /* TxBD down counter */
 601         uint    fcc_tdptr;      /* TxBD internal data pointer */
 602         uint    fcc_rbptr;      /* Rx BD Internal buf pointer */
 603         uint    fcc_tbptr;      /* Tx BD Internal buf pointer */
 604         uint    fcc_rcrc;       /* Rx temp CRC */
 605         uint    fcc_res2;
 606         uint    fcc_tcrc;       /* Tx temp CRC */
 607 } fccp_t;
 608
 609
 610 /* Ethernet controller through FCC.
 611 */
 612 typedef struct fcc_enet {
 613         fccp_t  fen_genfcc;
 614         uint    fen_statbuf;    /* Internal status buffer */
 615         uint    fen_camptr;     /* CAM address */
 616         uint    fen_cmask;      /* Constant mask for CRC */
 617         uint    fen_cpres;      /* Preset CRC */
 618         uint    fen_crcec;      /* CRC Error counter */
 619         uint    fen_alec;       /* alignment error counter */
 620         uint    fen_disfc;      /* discard frame counter */
 621         ushort  fen_retlim;     /* Retry limit */
 622         ushort  fen_retcnt;     /* Retry counter */
 623         ushort  fen_pper;       /* Persistence */
 624         ushort  fen_boffcnt;    /* backoff counter */
 625         uint    fen_gaddrh;     /* Group address filter, high 32-bits */
 626         uint    fen_gaddrl;     /* Group address filter, low 32-bits */
 627         ushort  fen_tfcstat;    /* out of sequence TxBD */
 628         ushort  fen_tfclen;
 629         uint    fen_tfcptr;
 630         ushort  fen_mflr;       /* Maximum frame length (1518) */
 631         ushort  fen_paddrh;     /* MAC address */
 632         ushort  fen_paddrm;
 633         ushort  fen_paddrl;
 634         ushort  fen_ibdcount;   /* Internal BD counter */
 635         ushort  fen_ibdstart;   /* Internal BD start pointer */
 636         ushort  fen_ibdend;     /* Internal BD end pointer */
 637         ushort  fen_txlen;      /* Internal Tx frame length counter */
 638         uint    fen_ibdbase[8]; /* Internal use */
 639         uint    fen_iaddrh;     /* Individual address filter */
 640         uint    fen_iaddrl;
 641         ushort  fen_minflr;     /* Minimum frame length (64) */
 642         ushort  fen_taddrh;     /* Filter transfer MAC address */
 643         ushort  fen_taddrm;
 644         ushort  fen_taddrl;
 645         ushort  fen_padptr;     /* Pointer to pad byte buffer */
 646         ushort  fen_cftype;     /* control frame type */
 647         ushort  fen_cfrange;    /* control frame range */
 648         ushort  fen_maxb;       /* maximum BD count */
 649         ushort  fen_maxd1;      /* Max DMA1 length (1520) */
 650         ushort  fen_maxd2;      /* Max DMA2 length (1520) */
 651         ushort  fen_maxd;       /* internal max DMA count */
 652         ushort  fen_dmacnt;     /* internal DMA counter */
 653         uint    fen_octc;       /* Total octect counter */
 654         uint    fen_colc;       /* Total collision counter */
 655         uint    fen_broc;       /* Total broadcast packet counter */
 656         uint    fen_mulc;       /* Total multicast packet count */
 657         uint    fen_uspc;       /* Total packets < 64 bytes */
 658         uint    fen_frgc;       /* Total packets < 64 bytes with errors */
 659         uint    fen_ospc;       /* Total packets > 1518 */
 660         uint    fen_jbrc;       /* Total packets > 1518 with errors */
 661         uint    fen_p64c;       /* Total packets == 64 bytes */
 662         uint    fen_p65c;       /* Total packets 64 < bytes <= 127 */
 663         uint    fen_p128c;      /* Total packets 127 < bytes <= 255 */
 664         uint    fen_p256c;      /* Total packets 256 < bytes <= 511 */
 665         uint    fen_p512c;      /* Total packets 512 < bytes <= 1023 */
 666         uint    fen_p1024c;     /* Total packets 1024 < bytes <= 1518 */
 667         uint    fen_cambuf;     /* Internal CAM buffer poiner */
 668         ushort  fen_rfthr;      /* Received frames threshold */
 669         ushort  fen_rfcnt;      /* Received frames count */
 670 } fcc_enet_t;
 671
 672 /* FCC Event/Mask register as used by Ethernet.
 673 */
 674 #define FCC_ENET_GRA    ((ushort)0x0080)        /* Graceful stop complete */
 675 #define FCC_ENET_RXC    ((ushort)0x0040)        /* Control Frame Received */
 676 #define FCC_ENET_TXC    ((ushort)0x0020)        /* Out of seq. Tx sent */
 677 #define FCC_ENET_TXE    ((ushort)0x0010)        /* Transmit Error */
 678 #define FCC_ENET_RXF    ((ushort)0x0008)        /* Full frame received */
 679 #define FCC_ENET_BSY    ((ushort)0x0004)        /* Busy.  Rx Frame dropped */
 680 #define FCC_ENET_TXB    ((ushort)0x0002)        /* A buffer was transmitted */
 681 #define FCC_ENET_RXB    ((ushort)0x0001)        /* A buffer was received */
 682
 683 /* FCC Mode Register (FPSMR) as used by Ethernet.
 684 */
 685 #define FCC_PSMR_HBC    ((uint)0x80000000)      /* Enable heartbeat */
 686 #define FCC_PSMR_FC     ((uint)0x40000000)      /* Force Collision */
 687 #define FCC_PSMR_SBT    ((uint)0x20000000)      /* Stop backoff timer */
 688 #define FCC_PSMR_LPB    ((uint)0x10000000)      /* Local protect. 1 = FDX */
 689 #define FCC_PSMR_LCW    ((uint)0x08000000)      /* Late collision select */
 690 #define FCC_PSMR_FDE    ((uint)0x04000000)      /* Full Duplex Enable */
 691 #define FCC_PSMR_MON    ((uint)0x02000000)      /* RMON Enable */
 692 #define FCC_PSMR_PRO    ((uint)0x00400000)      /* Promiscuous Enable */
 693 #define FCC_PSMR_FCE    ((uint)0x00200000)      /* Flow Control Enable */
 694 #define FCC_PSMR_RSH    ((uint)0x00100000)      /* Receive Short Frames */
 695 #define FCC_PSMR_CAM    ((uint)0x00000400)      /* CAM enable */
 696 #define FCC_PSMR_BRO    ((uint)0x00000200)      /* Broadcast pkt discard */
 697 #define FCC_PSMR_ENCRC  ((uint)0x00000080)      /* Use 32-bit CRC */
 698
 699 /* IIC parameter RAM.
 700 */
 701 typedef struct iic {
 702         ushort  iic_rbase;      /* Rx Buffer descriptor base address */
 703         ushort  iic_tbase;      /* Tx Buffer descriptor base address */
 704         u_char  iic_rfcr;       /* Rx function code */
 705         u_char  iic_tfcr;       /* Tx function code */
 706         ushort  iic_mrblr;      /* Max receive buffer length */
 707         uint    iic_rstate;     /* Internal */
 708         uint    iic_rdp;        /* Internal */
 709         ushort  iic_rbptr;      /* Internal */
 710         ushort  iic_rbc;        /* Internal */
 711         uint    iic_rxtmp;      /* Internal */
 712         uint    iic_tstate;     /* Internal */
 713         uint    iic_tdp;        /* Internal */
 714         ushort  iic_tbptr;      /* Internal */
 715         ushort  iic_tbc;        /* Internal */
 716         uint    iic_txtmp;      /* Internal */
 717 } iic_t;
 718
 719 /* SPI parameter RAM.
 720 */
 721 typedef struct spi {
 722         ushort  spi_rbase;      /* Rx Buffer descriptor base address */
 723         ushort  spi_tbase;      /* Tx Buffer descriptor base address */
 724         u_char  spi_rfcr;       /* Rx function code */
 725         u_char  spi_tfcr;       /* Tx function code */
 726         ushort  spi_mrblr;      /* Max receive buffer length */
 727         uint    spi_rstate;     /* Internal */
 728         uint    spi_rdp;        /* Internal */
 729         ushort  spi_rbptr;      /* Internal */
 730         ushort  spi_rbc;        /* Internal */
 731         uint    spi_rxtmp;      /* Internal */
 732         uint    spi_tstate;     /* Internal */
 733         uint    spi_tdp;        /* Internal */
 734         ushort  spi_tbptr;      /* Internal */
 735         ushort  spi_tbc;        /* Internal */
 736         uint    spi_txtmp;      /* Internal */
 737         uint    spi_res;        /* Tx temp. */
 738         uint    spi_res1[4];    /* SDMA temp. */
 739 } spi_t;
 740
 741 /* SPI Mode register.
 742 */
 743 #define SPMODE_LOOP     ((ushort)0x4000)        /* Loopback */
 744 #define SPMODE_CI       ((ushort)0x2000)        /* Clock Invert */
 745 #define SPMODE_CP       ((ushort)0x1000)        /* Clock Phase */
 746 #define SPMODE_DIV16    ((ushort)0x0800)        /* BRG/16 mode */
 747 #define SPMODE_REV      ((ushort)0x0400)        /* Reversed Data */
 748 #define SPMODE_MSTR     ((ushort)0x0200)        /* SPI Master */
 749 #define SPMODE_EN       ((ushort)0x0100)        /* Enable */
 750 #define SPMODE_LENMSK   ((ushort)0x00f0)        /* character length */
 751 #define SPMODE_PMMSK    ((ushort)0x000f)        /* prescale modulus */
 752
 753 #define SPMODE_LEN(x)   ((((x)-1)&0xF)<<4)
 754 #define SPMODE_PM(x)    ((x) &0xF)
 755
 756 #define SPI_EB          ((u_char)0x10)          /* big endian byte order */
 757
 758 #define BD_IIC_START            ((ushort)0x0400)
 759
 760 /* IDMA parameter RAM
 761 */
 762 typedef struct idma {
 763         ushort ibase;           /* IDMA buffer descriptor table base address */
 764         ushort dcm;             /* DMA channel mode */
 765         ushort ibdptr;          /* IDMA current buffer descriptor pointer */
 766         ushort dpr_buf;         /* IDMA transfer buffer base address */
 767         ushort buf_inv;         /* internal buffer inventory */
 768         ushort ss_max;          /* steady-state maximum transfer size */
 769         ushort dpr_in_ptr;      /* write pointer inside the internal buffer */
 770         ushort sts;             /* source transfer size */
 771         ushort dpr_out_ptr;     /* read pointer inside the internal buffer */
 772         ushort seob;            /* source end of burst */
 773         ushort deob;            /* destination end of burst */
 774         ushort dts;             /* destination transfer size */
 775         ushort ret_add;         /* return address when working in ERM=1 mode */
 776         ushort res0;            /* reserved */
 777         uint   bd_cnt;          /* internal byte count */
 778         uint   s_ptr;           /* source internal data pointer */
 779         uint   d_ptr;           /* destination internal data pointer */
 780         uint   istate;          /* internal state */
 781         u_char res1[20];        /* pad to 64-byte length */
 782 } idma_t;
 783
 784 /* DMA channel mode bit fields
 785 */
 786 #define IDMA_DCM_FB             ((ushort)0x8000) /* fly-by mode */
 787 #define IDMA_DCM_LP             ((ushort)0x4000) /* low priority */
 788 #define IDMA_DCM_TC2            ((ushort)0x0400) /* value driven on TC[2] */
 789 #define IDMA_DCM_DMA_WRAP_MASK  ((ushort)0x01c0) /* mask for DMA wrap */
 790 #define IDMA_DCM_DMA_WRAP_64    ((ushort)0x0000) /* 64-byte DMA xfer buffer */
 791 #define IDMA_DCM_DMA_WRAP_128   ((ushort)0x0040) /* 128-byte DMA xfer buffer */
 792 #define IDMA_DCM_DMA_WRAP_256   ((ushort)0x0080) /* 256-byte DMA xfer buffer */
 793 #define IDMA_DCM_DMA_WRAP_512   ((ushort)0x00c0) /* 512-byte DMA xfer buffer */
 794 #define IDMA_DCM_DMA_WRAP_1024  ((ushort)0x0100) /* 1024-byte DMA xfer buffer */
 795 #define IDMA_DCM_DMA_WRAP_2048  ((ushort)0x0140) /* 2048-byte DMA xfer buffer */
 796 #define IDMA_DCM_SINC           ((ushort)0x0020) /* source inc addr */
 797 #define IDMA_DCM_DINC           ((ushort)0x0010) /* destination inc addr */
 798 #define IDMA_DCM_ERM            ((ushort)0x0008) /* external request mode */
 799 #define IDMA_DCM_DT             ((ushort)0x0004) /* DONE treatment */
 800 #define IDMA_DCM_SD_MASK        ((ushort)0x0003) /* mask for SD bit field */
 801 #define IDMA_DCM_SD_MEM2MEM     ((ushort)0x0000) /* memory-to-memory xfer */
 802 #define IDMA_DCM_SD_PER2MEM     ((ushort)0x0002) /* peripheral-to-memory xfer */
 803 #define IDMA_DCM_SD_MEM2PER     ((ushort)0x0001) /* memory-to-peripheral xfer */
 804
 805 /* IDMA Buffer Descriptors
 806 */
 807 typedef struct idma_bd {
 808         uint flags;
 809         uint len;       /* data length */
 810         uint src;       /* source data buffer pointer */
 811         uint dst;       /* destination data buffer pointer */
 812 } idma_bd_t;
 813
 814 /* IDMA buffer descriptor flag bit fields
 815 */
 816 #define IDMA_BD_V       ((uint)0x80000000)      /* valid */
 817 #define IDMA_BD_W       ((uint)0x20000000)      /* wrap */
 818 #define IDMA_BD_I       ((uint)0x10000000)      /* interrupt */
 819 #define IDMA_BD_L       ((uint)0x08000000)      /* last */
 820 #define IDMA_BD_CM      ((uint)0x02000000)      /* continuous mode */
 821 #define IDMA_BD_SDN     ((uint)0x00400000)      /* source done */
 822 #define IDMA_BD_DDN     ((uint)0x00200000)      /* destination done */
 823 #define IDMA_BD_DGBL    ((uint)0x00100000)      /* destination global */
 824 #define IDMA_BD_DBO_LE  ((uint)0x00040000)      /* little-end dest byte order */
 825 #define IDMA_BD_DBO_BE  ((uint)0x00080000)      /* big-end dest byte order */
 826 #define IDMA_BD_DDTB    ((uint)0x00010000)      /* destination data bus */
 827 #define IDMA_BD_SGBL    ((uint)0x00002000)      /* source global */
 828 #define IDMA_BD_SBO_LE  ((uint)0x00000800)      /* little-end src byte order */
 829 #define IDMA_BD_SBO_BE  ((uint)0x00001000)      /* big-end src byte order */
 830 #define IDMA_BD_SDTB    ((uint)0x00000200)      /* source data bus */
 831
 832 /* per-channel IDMA registers
 833 */
 834 typedef struct im_idma {
 835         u_char idsr;                    /* IDMAn event status register */
 836         u_char res0[3];
 837         u_char idmr;                    /* IDMAn event mask register */
 838         u_char res1[3];
 839 } im_idma_t;
 840
 841 /* IDMA event register bit fields
 842 */
 843 #define IDMA_EVENT_SC   ((unsigned char)0x08)   /* stop completed */
 844 #define IDMA_EVENT_OB   ((unsigned char)0x04)   /* out of buffers */
 845 #define IDMA_EVENT_EDN  ((unsigned char)0x02)   /* external DONE asserted */
 846 #define IDMA_EVENT_BC   ((unsigned char)0x01)   /* buffer descriptor complete */
 847
 848 /* RISC Controller Configuration Register (RCCR) bit fields
 849 */
 850 #define RCCR_TIME       ((uint)0x80000000) /* timer enable */
 851 #define RCCR_TIMEP_MASK ((uint)0x3f000000) /* mask for timer period bit field */
 852 #define RCCR_DR0M       ((uint)0x00800000) /* IDMA0 request mode */
 853 #define RCCR_DR1M       ((uint)0x00400000) /* IDMA1 request mode */
 854 #define RCCR_DR2M       ((uint)0x00000080) /* IDMA2 request mode */
 855 #define RCCR_DR3M       ((uint)0x00000040) /* IDMA3 request mode */
 856 #define RCCR_DR0QP_MASK ((uint)0x00300000) /* mask for IDMA0 req priority */
 857 #define RCCR_DR0QP_HIGH ((uint)0x00000000) /* IDMA0 has high req priority */
 858 #define RCCR_DR0QP_MED  ((uint)0x00100000) /* IDMA0 has medium req priority */
 859 #define RCCR_DR0QP_LOW  ((uint)0x00200000) /* IDMA0 has low req priority */
 860 #define RCCR_DR1QP_MASK ((uint)0x00030000) /* mask for IDMA1 req priority */
 861 #define RCCR_DR1QP_HIGH ((uint)0x00000000) /* IDMA1 has high req priority */
 862 #define RCCR_DR1QP_MED  ((uint)0x00010000) /* IDMA1 has medium req priority */
 863 #define RCCR_DR1QP_LOW  ((uint)0x00020000) /* IDMA1 has low req priority */
 864 #define RCCR_DR2QP_MASK ((uint)0x00000030) /* mask for IDMA2 req priority */
 865 #define RCCR_DR2QP_HIGH ((uint)0x00000000) /* IDMA2 has high req priority */
 866 #define RCCR_DR2QP_MED  ((uint)0x00000010) /* IDMA2 has medium req priority */
 867 #define RCCR_DR2QP_LOW  ((uint)0x00000020) /* IDMA2 has low req priority */
 868 #define RCCR_DR3QP_MASK ((uint)0x00000003) /* mask for IDMA3 req priority */
 869 #define RCCR_DR3QP_HIGH ((uint)0x00000000) /* IDMA3 has high req priority */
 870 #define RCCR_DR3QP_MED  ((uint)0x00000001) /* IDMA3 has medium req priority */
 871 #define RCCR_DR3QP_LOW  ((uint)0x00000002) /* IDMA3 has low req priority */
 872 #define RCCR_EIE        ((uint)0x00080000) /* external interrupt enable */
 873 #define RCCR_SCD        ((uint)0x00040000) /* scheduler configuration */
 874 #define RCCR_ERAM_MASK  ((uint)0x0000e000) /* mask for enable RAM microcode */
 875 #define RCCR_ERAM_0KB   ((uint)0x00000000) /* use 0KB of dpram for microcode */
 876 #define RCCR_ERAM_2KB   ((uint)0x00002000) /* use 2KB of dpram for microcode */
 877 #define RCCR_ERAM_4KB   ((uint)0x00004000) /* use 4KB of dpram for microcode */
 878 #define RCCR_ERAM_6KB   ((uint)0x00006000) /* use 6KB of dpram for microcode */
 879 #define RCCR_ERAM_8KB   ((uint)0x00008000) /* use 8KB of dpram for microcode */
 880 #define RCCR_ERAM_10KB  ((uint)0x0000a000) /* use 10KB of dpram for microcode */
 881 #define RCCR_ERAM_12KB  ((uint)0x0000c000) /* use 12KB of dpram for microcode */
 882 #define RCCR_EDM0       ((uint)0x00000800) /* DREQ0 edge detect mode */
 883 #define RCCR_EDM1       ((uint)0x00000400) /* DREQ1 edge detect mode */
 884 #define RCCR_EDM2       ((uint)0x00000200) /* DREQ2 edge detect mode */
 885 #define RCCR_EDM3       ((uint)0x00000100) /* DREQ3 edge detect mode */
 886 #define RCCR_DEM01      ((uint)0x00000008) /* DONE0/DONE1 edge detect mode */
 887 #define RCCR_DEM23      ((uint)0x00000004) /* DONE2/DONE3 edge detect mode */
 888
 889 /*-----------------------------------------------------------------------
 890  * CMXFCR - CMX FCC Clock Route Register
 891  */
 892 #define CMXFCR_FC1         0x40000000   /* FCC1 connection              */
 893 #define CMXFCR_RF1CS_MSK   0x38000000   /* Receive FCC1 Clock Source Mask */
 894 #define CMXFCR_TF1CS_MSK   0x07000000   /* Transmit FCC1 Clock Source Mask */
 895 #define CMXFCR_FC2         0x00400000   /* FCC2 connection              */
 896 #define CMXFCR_RF2CS_MSK   0x00380000   /* Receive FCC2 Clock Source Mask */
 897 #define CMXFCR_TF2CS_MSK   0x00070000   /* Transmit FCC2 Clock Source Mask */
 898 #define CMXFCR_FC3         0x00004000   /* FCC3 connection              */
 899 #define CMXFCR_RF3CS_MSK   0x00003800   /* Receive FCC3 Clock Source Mask */
 900 #define CMXFCR_TF3CS_MSK   0x00000700   /* Transmit FCC3 Clock Source Mask */
 901
 902 #define CMXFCR_RF1CS_BRG5  0x00000000   /* Receive FCC1 Clock Source is BRG5 */
 903 #define CMXFCR_RF1CS_BRG6  0x08000000   /* Receive FCC1 Clock Source is BRG6 */
 904 #define CMXFCR_RF1CS_BRG7  0x10000000   /* Receive FCC1 Clock Source is BRG7 */
 905 #define CMXFCR_RF1CS_BRG8  0x18000000   /* Receive FCC1 Clock Source is BRG8 */
 906 #define CMXFCR_RF1CS_CLK9  0x20000000   /* Receive FCC1 Clock Source is CLK9 */
 907 #define CMXFCR_RF1CS_CLK10 0x28000000   /* Receive FCC1 Clock Source is CLK10 */
 908 #define CMXFCR_RF1CS_CLK11 0x30000000   /* Receive FCC1 Clock Source is CLK11 */
 909 #define CMXFCR_RF1CS_CLK12 0x38000000   /* Receive FCC1 Clock Source is CLK12 */
 910
 911 #define CMXFCR_TF1CS_BRG5  0x00000000   /* Transmit FCC1 Clock Source is BRG5 */
 912 #define CMXFCR_TF1CS_BRG6  0x01000000   /* Transmit FCC1 Clock Source is BRG6 */
 913 #define CMXFCR_TF1CS_BRG7  0x02000000   /* Transmit FCC1 Clock Source is BRG7 */
 914 #define CMXFCR_TF1CS_BRG8  0x03000000   /* Transmit FCC1 Clock Source is BRG8 */
 915 #define CMXFCR_TF1CS_CLK9  0x04000000   /* Transmit FCC1 Clock Source is CLK9 */
 916 #define CMXFCR_TF1CS_CLK10 0x05000000   /* Transmit FCC1 Clock Source is CLK10 */
 917 #define CMXFCR_TF1CS_CLK11 0x06000000   /* Transmit FCC1 Clock Source is CLK11 */
 918 #define CMXFCR_TF1CS_CLK12 0x07000000   /* Transmit FCC1 Clock Source is CLK12 */
 919
 920 #define CMXFCR_RF2CS_BRG5  0x00000000   /* Receive FCC2 Clock Source is BRG5 */
 921 #define CMXFCR_RF2CS_BRG6  0x00080000   /* Receive FCC2 Clock Source is BRG6 */
 922 #define CMXFCR_RF2CS_BRG7  0x00100000   /* Receive FCC2 Clock Source is BRG7 */
 923 #define CMXFCR_RF2CS_BRG8  0x00180000   /* Receive FCC2 Clock Source is BRG8 */
 924 #define CMXFCR_RF2CS_CLK13 0x00200000   /* Receive FCC2 Clock Source is CLK13 */
 925 #define CMXFCR_RF2CS_CLK14 0x00280000   /* Receive FCC2 Clock Source is CLK14 */
 926 #define CMXFCR_RF2CS_CLK15 0x00300000   /* Receive FCC2 Clock Source is CLK15 */
 927 #define CMXFCR_RF2CS_CLK16 0x00380000   /* Receive FCC2 Clock Source is CLK16 */
 928
 929 #define CMXFCR_TF2CS_BRG5  0x00000000   /* Transmit FCC2 Clock Source is BRG5 */
 930 #define CMXFCR_TF2CS_BRG6  0x00010000   /* Transmit FCC2 Clock Source is BRG6 */
 931 #define CMXFCR_TF2CS_BRG7  0x00020000   /* Transmit FCC2 Clock Source is BRG7 */
 932 #define CMXFCR_TF2CS_BRG8  0x00030000   /* Transmit FCC2 Clock Source is BRG8 */
 933 #define CMXFCR_TF2CS_CLK13 0x00040000   /* Transmit FCC2 Clock Source is CLK13 */
 934 #define CMXFCR_TF2CS_CLK14 0x00050000   /* Transmit FCC2 Clock Source is CLK14 */
 935 #define CMXFCR_TF2CS_CLK15 0x00060000   /* Transmit FCC2 Clock Source is CLK15 */
 936 #define CMXFCR_TF2CS_CLK16 0x00070000   /* Transmit FCC2 Clock Source is CLK16 */
 937
 938 #define CMXFCR_RF3CS_BRG5  0x00000000   /* Receive FCC3 Clock Source is BRG5 */
 939 #define CMXFCR_RF3CS_BRG6  0x00000800   /* Receive FCC3 Clock Source is BRG6 */
 940 #define CMXFCR_RF3CS_BRG7  0x00001000   /* Receive FCC3 Clock Source is BRG7 */
 941 #define CMXFCR_RF3CS_BRG8  0x00001800   /* Receive FCC3 Clock Source is BRG8 */
 942 #define CMXFCR_RF3CS_CLK13 0x00002000   /* Receive FCC3 Clock Source is CLK13 */
 943 #define CMXFCR_RF3CS_CLK14 0x00002800   /* Receive FCC3 Clock Source is CLK14 */
 944 #define CMXFCR_RF3CS_CLK15 0x00003000   /* Receive FCC3 Clock Source is CLK15 */
 945 #define CMXFCR_RF3CS_CLK16 0x00003800   /* Receive FCC3 Clock Source is CLK16 */
 946
 947 #define CMXFCR_TF3CS_BRG5  0x00000000   /* Transmit FCC3 Clock Source is BRG5 */
 948 #define CMXFCR_TF3CS_BRG6  0x00000100   /* Transmit FCC3 Clock Source is BRG6 */
 949 #define CMXFCR_TF3CS_BRG7  0x00000200   /* Transmit FCC3 Clock Source is BRG7 */
 950 #define CMXFCR_TF3CS_BRG8  0x00000300   /* Transmit FCC3 Clock Source is BRG8 */
 951 #define CMXFCR_TF3CS_CLK13 0x00000400   /* Transmit FCC3 Clock Source is CLK13 */
 952 #define CMXFCR_TF3CS_CLK14 0x00000500   /* Transmit FCC3 Clock Source is CLK14 */
 953 #define CMXFCR_TF3CS_CLK15 0x00000600   /* Transmit FCC3 Clock Source is CLK15 */
 954 #define CMXFCR_TF3CS_CLK16 0x00000700   /* Transmit FCC3 Clock Source is CLK16 */
 955
 956 /*-----------------------------------------------------------------------
 957  * CMXSCR - CMX SCC Clock Route Register
 958  */
 959 #define CMXSCR_GR1         0x80000000   /* Grant Support of SCC1        */
 960 #define CMXSCR_SC1         0x40000000   /* SCC1 connection              */
 961 #define CMXSCR_RS1CS_MSK   0x38000000   /* Receive SCC1 Clock Source Mask */
 962 #define CMXSCR_TS1CS_MSK   0x07000000   /* Transmit SCC1 Clock Source Mask */
 963 #define CMXSCR_GR2         0x00800000   /* Grant Support of SCC2        */
 964 #define CMXSCR_SC2         0x00400000   /* SCC2 connection              */
 965 #define CMXSCR_RS2CS_MSK   0x00380000   /* Receive SCC2 Clock Source Mask */
 966 #define CMXSCR_TS2CS_MSK   0x00070000   /* Transmit SCC2 Clock Source Mask */
 967 #define CMXSCR_GR3         0x00008000   /* Grant Support of SCC3        */
 968 #define CMXSCR_SC3         0x00004000   /* SCC3 connection              */
 969 #define CMXSCR_RS3CS_MSK   0x00003800   /* Receive SCC3 Clock Source Mask */
 970 #define CMXSCR_TS3CS_MSK   0x00000700   /* Transmit SCC3 Clock Source Mask */
 971 #define CMXSCR_GR4         0x00000080   /* Grant Support of SCC4        */
 972 #define CMXSCR_SC4         0x00000040   /* SCC4 connection              */
 973 #define CMXSCR_RS4CS_MSK   0x00000038   /* Receive SCC4 Clock Source Mask */
 974 #define CMXSCR_TS4CS_MSK   0x00000007   /* Transmit SCC4 Clock Source Mask */
 975
 976 #define CMXSCR_RS1CS_BRG1  0x00000000   /* SCC1 Rx Clock Source is BRG1 */
 977 #define CMXSCR_RS1CS_BRG2  0x08000000   /* SCC1 Rx Clock Source is BRG2 */
 978 #define CMXSCR_RS1CS_BRG3  0x10000000   /* SCC1 Rx Clock Source is BRG3 */
 979 #define CMXSCR_RS1CS_BRG4  0x18000000   /* SCC1 Rx Clock Source is BRG4 */
 980 #define CMXSCR_RS1CS_CLK11 0x20000000   /* SCC1 Rx Clock Source is CLK11 */
 981 #define CMXSCR_RS1CS_CLK12 0x28000000   /* SCC1 Rx Clock Source is CLK12 */
 982 #define CMXSCR_RS1CS_CLK3  0x30000000   /* SCC1 Rx Clock Source is CLK3 */
 983 #define CMXSCR_RS1CS_CLK4  0x38000000   /* SCC1 Rx Clock Source is CLK4 */
 984
 985 #define CMXSCR_TS1CS_BRG1  0x00000000   /* SCC1 Tx Clock Source is BRG1 */
 986 #define CMXSCR_TS1CS_BRG2  0x01000000   /* SCC1 Tx Clock Source is BRG2 */
 987 #define CMXSCR_TS1CS_BRG3  0x02000000   /* SCC1 Tx Clock Source is BRG3 */
 988 #define CMXSCR_TS1CS_BRG4  0x03000000   /* SCC1 Tx Clock Source is BRG4 */
 989 #define CMXSCR_TS1CS_CLK11 0x04000000   /* SCC1 Tx Clock Source is CLK11 */
 990 #define CMXSCR_TS1CS_CLK12 0x05000000   /* SCC1 Tx Clock Source is CLK12 */
 991 #define CMXSCR_TS1CS_CLK3  0x06000000   /* SCC1 Tx Clock Source is CLK3 */
 992 #define CMXSCR_TS1CS_CLK4  0x07000000   /* SCC1 Tx Clock Source is CLK4 */
 993
 994 #define CMXSCR_RS2CS_BRG1  0x00000000   /* SCC2 Rx Clock Source is BRG1 */
 995 #define CMXSCR_RS2CS_BRG2  0x00080000   /* SCC2 Rx Clock Source is BRG2 */
 996 #define CMXSCR_RS2CS_BRG3  0x00100000   /* SCC2 Rx Clock Source is BRG3 */
 997 #define CMXSCR_RS2CS_BRG4  0x00180000   /* SCC2 Rx Clock Source is BRG4 */
 998 #define CMXSCR_RS2CS_CLK11 0x00200000   /* SCC2 Rx Clock Source is CLK11 */
 999 #define CMXSCR_RS2CS_CLK12 0x00280000   /* SCC2 Rx Clock Source is CLK12 */
1000 #define CMXSCR_RS2CS_CLK3  0x00300000   /* SCC2 Rx Clock Source is CLK3 */
1001 #define CMXSCR_RS2CS_CLK4  0x00380000   /* SCC2 Rx Clock Source is CLK4 */
1002
1003 #define CMXSCR_TS2CS_BRG1  0x00000000   /* SCC2 Tx Clock Source is BRG1 */
1004 #define CMXSCR_TS2CS_BRG2  0x00010000   /* SCC2 Tx Clock Source is BRG2 */
1005 #define CMXSCR_TS2CS_BRG3  0x00020000   /* SCC2 Tx Clock Source is BRG3 */
1006 #define CMXSCR_TS2CS_BRG4  0x00030000   /* SCC2 Tx Clock Source is BRG4 */
1007 #define CMXSCR_TS2CS_CLK11 0x00040000   /* SCC2 Tx Clock Source is CLK11 */
1008 #define CMXSCR_TS2CS_CLK12 0x00050000   /* SCC2 Tx Clock Source is CLK12 */
1009 #define CMXSCR_TS2CS_CLK3  0x00060000   /* SCC2 Tx Clock Source is CLK3 */
1010 #define CMXSCR_TS2CS_CLK4  0x00070000   /* SCC2 Tx Clock Source is CLK4 */
1011
1012 #define CMXSCR_RS3CS_BRG1  0x00000000   /* SCC3 Rx Clock Source is BRG1 */
1013 #define CMXSCR_RS3CS_BRG2  0x00000800   /* SCC3 Rx Clock Source is BRG2 */
1014 #define CMXSCR_RS3CS_BRG3  0x00001000   /* SCC3 Rx Clock Source is BRG3 */
1015 #define CMXSCR_RS3CS_BRG4  0x00001800   /* SCC3 Rx Clock Source is BRG4 */
1016 #define CMXSCR_RS3CS_CLK5  0x00002000   /* SCC3 Rx Clock Source is CLK5 */
1017 #define CMXSCR_RS3CS_CLK6  0x00002800   /* SCC3 Rx Clock Source is CLK6 */
1018 #define CMXSCR_RS3CS_CLK7  0x00003000   /* SCC3 Rx Clock Source is CLK7 */
1019 #define CMXSCR_RS3CS_CLK8  0x00003800   /* SCC3 Rx Clock Source is CLK8 */
1020
1021 #define CMXSCR_TS3CS_BRG1  0x00000000   /* SCC3 Tx Clock Source is BRG1 */
1022 #define CMXSCR_TS3CS_BRG2  0x00000100   /* SCC3 Tx Clock Source is BRG2 */
1023 #define CMXSCR_TS3CS_BRG3  0x00000200   /* SCC3 Tx Clock Source is BRG3 */
1024 #define CMXSCR_TS3CS_BRG4  0x00000300   /* SCC3 Tx Clock Source is BRG4 */
1025 #define CMXSCR_TS3CS_CLK5  0x00000400   /* SCC3 Tx Clock Source is CLK5 */
1026 #define CMXSCR_TS3CS_CLK6  0x00000500   /* SCC3 Tx Clock Source is CLK6 */
1027 #define CMXSCR_TS3CS_CLK7  0x00000600   /* SCC3 Tx Clock Source is CLK7 */
1028 #define CMXSCR_TS3CS_CLK8  0x00000700   /* SCC3 Tx Clock Source is CLK8 */
1029
1030 #define CMXSCR_RS4CS_BRG1  0x00000000   /* SCC4 Rx Clock Source is BRG1 */
1031 #define CMXSCR_RS4CS_BRG2  0x00000008   /* SCC4 Rx Clock Source is BRG2 */
1032 #define CMXSCR_RS4CS_BRG3  0x00000010   /* SCC4 Rx Clock Source is BRG3 */
1033 #define CMXSCR_RS4CS_BRG4  0x00000018   /* SCC4 Rx Clock Source is BRG4 */
1034 #define CMXSCR_RS4CS_CLK5  0x00000020   /* SCC4 Rx Clock Source is CLK5 */
1035 #define CMXSCR_RS4CS_CLK6  0x00000028   /* SCC4 Rx Clock Source is CLK6 */
1036 #define CMXSCR_RS4CS_CLK7  0x00000030   /* SCC4 Rx Clock Source is CLK7 */
1037 #define CMXSCR_RS4CS_CLK8  0x00000038   /* SCC4 Rx Clock Source is CLK8 */
1038
1039 #define CMXSCR_TS4CS_BRG1  0x00000000   /* SCC4 Tx Clock Source is BRG1 */
1040 #define CMXSCR_TS4CS_BRG2  0x00000001   /* SCC4 Tx Clock Source is BRG2 */
1041 #define CMXSCR_TS4CS_BRG3  0x00000002   /* SCC4 Tx Clock Source is BRG3 */
1042 #define CMXSCR_TS4CS_BRG4  0x00000003   /* SCC4 Tx Clock Source is BRG4 */
1043 #define CMXSCR_TS4CS_CLK5  0x00000004   /* SCC4 Tx Clock Source is CLK5 */
1044 #define CMXSCR_TS4CS_CLK6  0x00000005   /* SCC4 Tx Clock Source is CLK6 */
1045 #define CMXSCR_TS4CS_CLK7  0x00000006   /* SCC4 Tx Clock Source is CLK7 */
1046 #define CMXSCR_TS4CS_CLK8  0x00000007   /* SCC4 Tx Clock Source is CLK8 */
1047
1048 /*-----------------------------------------------------------------------
1049  * SIUMCR - SIU Module Configuration Register                            4-31
1050  */
1051 #define SIUMCR_BBD      0x80000000      /* Bus Busy Disable             */
1052 #define SIUMCR_ESE      0x40000000      /* External Snoop Enable        */
1053 #define SIUMCR_PBSE     0x20000000      /* Parity Byte Select Enable    */
1054 #define SIUMCR_CDIS     0x10000000      /* Core Disable                 */
1055 #define SIUMCR_DPPC00   0x00000000      /* Data Parity Pins Configuration*/
1056 #define SIUMCR_DPPC01   0x04000000      /* - " -                        */
1057 #define SIUMCR_DPPC10   0x08000000      /* - " -                        */
1058 #define SIUMCR_DPPC11   0x0c000000      /* - " -                        */
1059 #define SIUMCR_L2CPC00  0x00000000      /* L2 Cache Pins Configuration  */
1060 #define SIUMCR_L2CPC01  0x01000000      /* - " -                        */
1061 #define SIUMCR_L2CPC10  0x02000000      /* - " -                        */
1062 #define SIUMCR_L2CPC11  0x03000000      /* - " -                        */
1063 #define SIUMCR_LBPC00   0x00000000      /* Local Bus Pins Configuration */
1064 #define SIUMCR_LBPC01   0x00400000      /* - " -                        */
1065 #define SIUMCR_LBPC10   0x00800000      /* - " -                        */
1066 #define SIUMCR_LBPC11   0x00c00000      /* - " -                        */
1067 #define SIUMCR_APPC00   0x00000000      /* Address Parity Pins Configuration*/
1068 #define SIUMCR_APPC01   0x00100000      /* - " -                        */
1069 #define SIUMCR_APPC10   0x00200000      /* - " -                        */
1070 #define SIUMCR_APPC11   0x00300000      /* - " -                        */
1071 #define SIUMCR_CS10PC00 0x00000000      /* CS10 Pin Configuration       */
1072 #define SIUMCR_CS10PC01 0x00040000      /* - " -                        */
1073 #define SIUMCR_CS10PC10 0x00080000      /* - " -                        */
1074 #define SIUMCR_CS10PC11 0x000c0000      /* - " -                        */
1075 #define SIUMCR_BCTLC00  0x00000000      /* Buffer Control Configuration */
1076 #define SIUMCR_BCTLC01  0x00010000      /* - " -                        */
1077 #define SIUMCR_BCTLC10  0x00020000      /* - " -                        */
1078 #define SIUMCR_BCTLC11  0x00030000      /* - " -                        */
1079 #define SIUMCR_MMR00    0x00000000      /* Mask Masters Requests        */
1080 #define SIUMCR_MMR01    0x00004000      /* - " -                        */
1081 #define SIUMCR_MMR10    0x00008000      /* - " -                        */
1082 #define SIUMCR_MMR11    0x0000c000      /* - " -                        */
1083 #define SIUMCR_LPBSE    0x00002000      /* LocalBus Parity Byte Select Enable*/
1084
1085 /*-----------------------------------------------------------------------
1086  * SCCR - System Clock Control Register                                  9-8
1087 */
1088 #define SCCR_PCI_MODE   0x00000100      /* PCI Mode     */
1089 #define SCCR_PCI_MODCK  0x00000080      /* Value of PCI_MODCK pin       */
1090 #define SCCR_PCIDF_MSK  0x00000078      /* PCI division factor  */
1091 #define SCCR_PCIDF_SHIFT 3
1092
1093 #ifndef CPM_IMMR_OFFSET
1094 #define CPM_IMMR_OFFSET 0x101a8
1095 #endif
1096
1097 #define FCC_PSMR_RMII   ((uint)0x00020000)      /* Use RMII interface */
1098
1099 /* FCC iop & clock configuration. BSP code is responsible to define Fx_RXCLK & Fx_TXCLK
1100  * in order to use clock-computing stuff below for the FCC x
1101  */
1102
1103 /* Automatically generates register configurations */
1104 #define PC_CLK(x)       ((uint)(1<<(x-1)))      /* FCC CLK I/O ports */
1105
1106 #define CMXFCR_RF1CS(x) ((uint)((x-5)<<27))     /* FCC1 Receive Clock Source */
1107 #define CMXFCR_TF1CS(x) ((uint)((x-5)<<24))     /* FCC1 Transmit Clock Source */
1108 #define CMXFCR_RF2CS(x) ((uint)((x-9)<<19))     /* FCC2 Receive Clock Source */
1109 #define CMXFCR_TF2CS(x) ((uint)((x-9)<<16))     /* FCC2 Transmit Clock Source */
1110 #define CMXFCR_RF3CS(x) ((uint)((x-9)<<11))     /* FCC3 Receive Clock Source */
1111 #define CMXFCR_TF3CS(x) ((uint)((x-9)<<8))      /* FCC3 Transmit Clock Source */
1112
1113 #define PC_F1RXCLK      PC_CLK(F1_RXCLK)
1114 #define PC_F1TXCLK      PC_CLK(F1_TXCLK)
1115 #define CMX1_CLK_ROUTE  (CMXFCR_RF1CS(F1_RXCLK) | CMXFCR_TF1CS(F1_TXCLK))
1116 #define CMX1_CLK_MASK   ((uint)0xff000000)
1117
1118 #define PC_F2RXCLK      PC_CLK(F2_RXCLK)
1119 #define PC_F2TXCLK      PC_CLK(F2_TXCLK)
1120 #define CMX2_CLK_ROUTE  (CMXFCR_RF2CS(F2_RXCLK) | CMXFCR_TF2CS(F2_TXCLK))
1121 #define CMX2_CLK_MASK   ((uint)0x00ff0000)
1122
1123 #define PC_F3RXCLK      PC_CLK(F3_RXCLK)
1124 #define PC_F3TXCLK      PC_CLK(F3_TXCLK)
1125 #define CMX3_CLK_ROUTE  (CMXFCR_RF3CS(F3_RXCLK) | CMXFCR_TF3CS(F3_TXCLK))
1126 #define CMX3_CLK_MASK   ((uint)0x0000ff00)
1127
1128 #define CPMUX_CLK_MASK (CMX3_CLK_MASK | CMX2_CLK_MASK)
1129 #define CPMUX_CLK_ROUTE (CMX3_CLK_ROUTE | CMX2_CLK_ROUTE)
1130
1131 #define CLK_TRX (PC_F3TXCLK | PC_F3RXCLK | PC_F2TXCLK | PC_F2RXCLK)
1132
1133 /* I/O Pin assignment for FCC1.  I don't yet know the best way to do this,
1134  * but there is little variation among the choices.
1135  */
1136 #define PA1_COL         0x00000001U
1137 #define PA1_CRS         0x00000002U
1138 #define PA1_TXER        0x00000004U
1139 #define PA1_TXEN        0x00000008U
1140 #define PA1_RXDV        0x00000010U
1141 #define PA1_RXER        0x00000020U
1142 #define PA1_TXDAT       0x00003c00U
1143 #define PA1_RXDAT       0x0003c000U
1144 #define PA1_PSORA0      (PA1_RXDAT | PA1_TXDAT)
1145 #define PA1_PSORA1      (PA1_COL | PA1_CRS | PA1_TXER | PA1_TXEN | \
1146                 PA1_RXDV | PA1_RXER)
1147 #define PA1_DIRA0       (PA1_RXDAT | PA1_CRS | PA1_COL | PA1_RXER | PA1_RXDV)
1148 #define PA1_DIRA1       (PA1_TXDAT | PA1_TXEN | PA1_TXER)
1149
1150
1151 /* I/O Pin assignment for FCC2.  I don't yet know the best way to do this,
1152  * but there is little variation among the choices.
1153  */
1154 #define PB2_TXER        0x00000001U
1155 #define PB2_RXDV        0x00000002U
1156 #define PB2_TXEN        0x00000004U
1157 #define PB2_RXER        0x00000008U
1158 #define PB2_COL         0x00000010U
1159 #define PB2_CRS         0x00000020U
1160 #define PB2_TXDAT       0x000003c0U
1161 #define PB2_RXDAT       0x00003c00U
1162 #define PB2_PSORB0      (PB2_RXDAT | PB2_TXDAT | PB2_CRS | PB2_COL | \
1163                 PB2_RXER | PB2_RXDV | PB2_TXER)
1164 #define PB2_PSORB1      (PB2_TXEN)
1165 #define PB2_DIRB0       (PB2_RXDAT | PB2_CRS | PB2_COL | PB2_RXER | PB2_RXDV)
1166 #define PB2_DIRB1       (PB2_TXDAT | PB2_TXEN | PB2_TXER)
1167
1168
1169 /* I/O Pin assignment for FCC3.  I don't yet know the best way to do this,
1170  * but there is little variation among the choices.
1171  */
1172 #define PB3_RXDV        0x00004000U
1173 #define PB3_RXER        0x00008000U
1174 #define PB3_TXER        0x00010000U
1175 #define PB3_TXEN        0x00020000U
1176 #define PB3_COL         0x00040000U
1177 #define PB3_CRS         0x00080000U
1178 #define PB3_TXDAT       0x0f000000U
1179 #define PC3_TXDAT       0x00000010U
1180 #define PB3_RXDAT       0x00f00000U
1181 #define PB3_PSORB0      (PB3_RXDAT | PB3_TXDAT | PB3_CRS | PB3_COL | \
1182                 PB3_RXER | PB3_RXDV | PB3_TXER | PB3_TXEN)
1183 #define PB3_PSORB1      0
1184 #define PB3_DIRB0       (PB3_RXDAT | PB3_CRS | PB3_COL | PB3_RXER | PB3_RXDV)
1185 #define PB3_DIRB1       (PB3_TXDAT | PB3_TXEN | PB3_TXER)
1186 #define PC3_DIRC1       (PC3_TXDAT)
1187
1188 /* Handy macro to specify mem for FCCs*/
1189 #define FCC_MEM_OFFSET(x) (CPM_FCC_SPECIAL_BASE + (x*128))
1190 #define FCC1_MEM_OFFSET FCC_MEM_OFFSET(0)
1191 #define FCC2_MEM_OFFSET FCC_MEM_OFFSET(1)
1192 #define FCC3_MEM_OFFSET FCC_MEM_OFFSET(2)
1193
1194 /* Clocks and GRG's */
1195
1196 enum cpm_clk_dir {
1197         CPM_CLK_RX,
1198         CPM_CLK_TX,
1199         CPM_CLK_RTX
1200 };
1201
1202 enum cpm_clk_target {
1203         CPM_CLK_SCC1,
1204         CPM_CLK_SCC2,
1205         CPM_CLK_SCC3,
1206         CPM_CLK_SCC4,
1207         CPM_CLK_FCC1,
1208         CPM_CLK_FCC2,
1209         CPM_CLK_FCC3
1210 };
1211
1212 enum cpm_clk {
1213         CPM_CLK_NONE = 0,
1214         CPM_BRG1,       /* Baud Rate Generator  1 */
1215         CPM_BRG2,       /* Baud Rate Generator  2 */
1216         CPM_BRG3,       /* Baud Rate Generator  3 */
1217         CPM_BRG4,       /* Baud Rate Generator  4 */
1218         CPM_BRG5,       /* Baud Rate Generator  5 */
1219         CPM_BRG6,       /* Baud Rate Generator  6 */
1220         CPM_BRG7,       /* Baud Rate Generator  7 */
1221         CPM_BRG8,       /* Baud Rate Generator  8 */
1222         CPM_CLK1,       /* Clock  1 */
1223         CPM_CLK2,       /* Clock  2 */
1224         CPM_CLK3,       /* Clock  3 */
1225         CPM_CLK4,       /* Clock  4 */
1226         CPM_CLK5,       /* Clock  5 */
1227         CPM_CLK6,       /* Clock  6 */
1228         CPM_CLK7,       /* Clock  7 */
1229         CPM_CLK8,       /* Clock  8 */
1230         CPM_CLK9,       /* Clock  9 */
1231         CPM_CLK10,      /* Clock 10 */
1232         CPM_CLK11,      /* Clock 11 */
1233         CPM_CLK12,      /* Clock 12 */
1234         CPM_CLK13,      /* Clock 13 */
1235         CPM_CLK14,      /* Clock 14 */
1236         CPM_CLK15,      /* Clock 15 */
1237         CPM_CLK16,      /* Clock 16 */
1238         CPM_CLK17,      /* Clock 17 */
1239         CPM_CLK18,      /* Clock 18 */
1240         CPM_CLK19,      /* Clock 19 */
1241         CPM_CLK20,      /* Clock 20 */
1242         CPM_CLK_DUMMY
1243 };
1244
1245 extern int cpm2_clk_setup(enum cpm_clk_target target, int clock, int mode);
1246
1247 #endif /* __CPM2__ */
1248 #endif /* __KERNEL__ */