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_SCC1_PAGE        (0x00)
  46 #define CPM_CR_SCC2_PAGE        (0x01)
  47 #define CPM_CR_SCC3_PAGE        (0x02)
  48 #define CPM_CR_SCC4_PAGE        (0x03)
  49 #define CPM_CR_SMC1_PAGE        (0x07)
  50 #define CPM_CR_SMC2_PAGE        (0x08)
  51 #define CPM_CR_SPI_PAGE         (0x09)
  52 #define CPM_CR_I2C_PAGE         (0x0a)
  53 #define CPM_CR_TIMER_PAGE       (0x0a)
  54 #define CPM_CR_RAND_PAGE        (0x0a)
  55 #define CPM_CR_FCC1_PAGE        (0x04)
  56 #define CPM_CR_FCC2_PAGE        (0x05)
  57 #define CPM_CR_FCC3_PAGE        (0x06)
  58 #define CPM_CR_IDMA1_PAGE       (0x07)
  59 #define CPM_CR_IDMA2_PAGE       (0x08)
  60 #define CPM_CR_IDMA3_PAGE       (0x09)
  61 #define CPM_CR_IDMA4_PAGE       (0x0a)
  62 #define CPM_CR_MCC1_PAGE        (0x07)
  63 #define CPM_CR_MCC2_PAGE        (0x08)
  64
  65 /* Some opcodes (there are more...later)
  66 */
  67 #define CPM_CR_INIT_TRX         ((ushort)0x0000)
  68 #define CPM_CR_INIT_RX          ((ushort)0x0001)
  69 #define CPM_CR_INIT_TX          ((ushort)0x0002)
  70 #define CPM_CR_HUNT_MODE        ((ushort)0x0003)
  71 #define CPM_CR_STOP_TX          ((ushort)0x0004)
  72 #define CPM_CR_GRA_STOP_TX      ((ushort)0x0005)
  73 #define CPM_CR_RESTART_TX       ((ushort)0x0006)
  74 #define CPM_CR_SET_GADDR        ((ushort)0x0008)
  75 #define CPM_CR_START_IDMA       ((ushort)0x0009)
  76 #define CPM_CR_STOP_IDMA        ((ushort)0x000b)
  77
  78 #define mk_cr_cmd(PG, SBC, MCN, OP) \
  79         ((PG << 26) | (SBC << 21) | (MCN << 6) | OP)
  80
  81 /* Dual Port RAM addresses.  The first 16K is available for almost
  82  * any CPM use, so we put the BDs there.  The first 128 bytes are
  83  * used for SMC1 and SMC2 parameter RAM, so we start allocating
  84  * BDs above that.  All of this must change when we start
  85  * downloading RAM microcode.
  86  */
  87 #define CPM_DATAONLY_BASE       ((uint)128)
  88 #define CPM_DP_NOSPACE          ((uint)0x7fffffff)
  89 #if defined(CONFIG_8272) || defined(CONFIG_MPC8555)
  90 #define CPM_DATAONLY_SIZE       ((uint)(8 * 1024) - CPM_DATAONLY_BASE)
  91 #define CPM_FCC_SPECIAL_BASE    ((uint)0x00009000)
  92 #else
  93 #define CPM_DATAONLY_SIZE       ((uint)(16 * 1024) - CPM_DATAONLY_BASE)
  94 #define CPM_FCC_SPECIAL_BASE    ((uint)0x0000b000)
  95 #endif
  96
  97 /* The number of pages of host memory we allocate for CPM.  This is
  98  * done early in kernel initialization to get physically contiguous
  99  * pages.
 100  */
 101 #define NUM_CPM_HOST_PAGES      2
 102
 103 static inline long IS_DPERR(const uint offset)
 104 {
 105         return (uint)offset > (uint)-1000L;
 106 }
 107
 108 /* Export the base address of the communication processor registers
 109  * and dual port ram.
 110  */
 111 extern          cpm_cpm2_t      *cpmp;   /* Pointer to comm processor */
 112 extern uint cpm_dpalloc(uint size, uint align);
 113 extern int cpm_dpfree(uint offset);
 114 extern uint cpm_dpalloc_fixed(uint offset, uint size, uint align);
 115 extern void cpm_dpdump(void);
 116 extern void *cpm_dpram_addr(uint offset);
 117 extern void cpm_setbrg(uint brg, uint rate);
 118 extern void cpm2_fastbrg(uint brg, uint rate, int div16);
 119
 120 /* Buffer descriptors used by many of the CPM protocols.
 121 */
 122 typedef struct cpm_buf_desc {
 123         ushort  cbd_sc;         /* Status and Control */
 124         ushort  cbd_datlen;     /* Data length in buffer */
 125         uint    cbd_bufaddr;    /* Buffer address in host memory */
 126 } cbd_t;
 127
 128 #define BD_SC_EMPTY     ((ushort)0x8000)        /* Receive is empty */
 129 #define BD_SC_READY     ((ushort)0x8000)        /* Transmit is ready */
 130 #define BD_SC_WRAP      ((ushort)0x2000)        /* Last buffer descriptor */
 131 #define BD_SC_INTRPT    ((ushort)0x1000)        /* Interrupt on change */
 132 #define BD_SC_LAST      ((ushort)0x0800)        /* Last buffer in frame */
 133 #define BD_SC_CM        ((ushort)0x0200)        /* Continous mode */
 134 #define BD_SC_ID        ((ushort)0x0100)        /* Rec'd too many idles */
 135 #define BD_SC_P         ((ushort)0x0100)        /* xmt preamble */
 136 #define BD_SC_BR        ((ushort)0x0020)        /* Break received */
 137 #define BD_SC_FR        ((ushort)0x0010)        /* Framing error */
 138 #define BD_SC_PR        ((ushort)0x0008)        /* Parity error */
 139 #define BD_SC_OV        ((ushort)0x0002)        /* Overrun */
 140 #define BD_SC_CD        ((ushort)0x0001)        /* ?? */
 141
 142 /* Function code bits, usually generic to devices.
 143 */
 144 #define CPMFCR_GBL      ((u_char)0x20)  /* Set memory snooping */
 145 #define CPMFCR_EB       ((u_char)0x10)  /* Set big endian byte order */
 146 #define CPMFCR_TC2      ((u_char)0x04)  /* Transfer code 2 value */
 147 #define CPMFCR_DTB      ((u_char)0x02)  /* Use local bus for data when set */
 148 #define CPMFCR_BDB      ((u_char)0x01)  /* Use local bus for BD when set */
 149
 150 /* Parameter RAM offsets from the base.
 151 */
 152 #define PROFF_SCC1              ((uint)0x8000)
 153 #define PROFF_SCC2              ((uint)0x8100)
 154 #define PROFF_SCC3              ((uint)0x8200)
 155 #define PROFF_SCC4              ((uint)0x8300)
 156 #define PROFF_FCC1              ((uint)0x8400)
 157 #define PROFF_FCC2              ((uint)0x8500)
 158 #define PROFF_FCC3              ((uint)0x8600)
 159 #define PROFF_MCC1              ((uint)0x8700)
 160 #define PROFF_SMC1_BASE         ((uint)0x87fc)
 161 #define PROFF_IDMA1_BASE        ((uint)0x87fe)
 162 #define PROFF_MCC2              ((uint)0x8800)
 163 #define PROFF_SMC2_BASE         ((uint)0x88fc)
 164 #define PROFF_IDMA2_BASE        ((uint)0x88fe)
 165 #define PROFF_SPI_BASE          ((uint)0x89fc)
 166 #define PROFF_IDMA3_BASE        ((uint)0x89fe)
 167 #define PROFF_TIMERS            ((uint)0x8ae0)
 168 #define PROFF_REVNUM            ((uint)0x8af0)
 169 #define PROFF_RAND              ((uint)0x8af8)
 170 #define PROFF_I2C_BASE          ((uint)0x8afc)
 171 #define PROFF_IDMA4_BASE        ((uint)0x8afe)
 172
 173 /* The SMCs are relocated to any of the first eight DPRAM pages.
 174  * We will fix these at the first locations of DPRAM, until we
 175  * get some microcode patches :-).
 176  * The parameter ram space for the SMCs is fifty-some bytes, and
 177  * they are required to start on a 64 byte boundary.
 178  */
 179 #define PROFF_SMC1      (0)
 180 #define PROFF_SMC2      (64)
 181
 182
 183 /* Define enough so I can at least use the serial port as a UART.
 184  */
 185 typedef struct smc_uart {
 186         ushort  smc_rbase;      /* Rx Buffer descriptor base address */
 187         ushort  smc_tbase;      /* Tx Buffer descriptor base address */
 188         u_char  smc_rfcr;       /* Rx function code */
 189         u_char  smc_tfcr;       /* Tx function code */
 190         ushort  smc_mrblr;      /* Max receive buffer length */
 191         uint    smc_rstate;     /* Internal */
 192         uint    smc_idp;        /* Internal */
 193         ushort  smc_rbptr;      /* Internal */
 194         ushort  smc_ibc;        /* Internal */
 195         uint    smc_rxtmp;      /* Internal */
 196         uint    smc_tstate;     /* Internal */
 197         uint    smc_tdp;        /* Internal */
 198         ushort  smc_tbptr;      /* Internal */
 199         ushort  smc_tbc;        /* Internal */
 200         uint    smc_txtmp;      /* Internal */
 201         ushort  smc_maxidl;     /* Maximum idle characters */
 202         ushort  smc_tmpidl;     /* Temporary idle counter */
 203         ushort  smc_brklen;     /* Last received break length */
 204         ushort  smc_brkec;      /* rcv'd break condition counter */
 205         ushort  smc_brkcr;      /* xmt break count register */
 206         ushort  smc_rmask;      /* Temporary bit mask */
 207         uint    smc_stmp;       /* SDMA Temp */
 208 } smc_uart_t;
 209
 210 /* SMC uart mode register (Internal memory map).
 211 */
 212 #define SMCMR_REN       ((ushort)0x0001)
 213 #define SMCMR_TEN       ((ushort)0x0002)
 214 #define SMCMR_DM        ((ushort)0x000c)
 215 #define SMCMR_SM_GCI    ((ushort)0x0000)
 216 #define SMCMR_SM_UART   ((ushort)0x0020)
 217 #define SMCMR_SM_TRANS  ((ushort)0x0030)
 218 #define SMCMR_SM_MASK   ((ushort)0x0030)
 219 #define SMCMR_PM_EVEN   ((ushort)0x0100)        /* Even parity, else odd */
 220 #define SMCMR_REVD      SMCMR_PM_EVEN
 221 #define SMCMR_PEN       ((ushort)0x0200)        /* Parity enable */
 222 #define SMCMR_BS        SMCMR_PEN
 223 #define SMCMR_SL        ((ushort)0x0400)        /* Two stops, else one */
 224 #define SMCR_CLEN_MASK  ((ushort)0x7800)        /* Character length */
 225 #define smcr_mk_clen(C) (((C) << 11) & SMCR_CLEN_MASK)
 226
 227 /* SMC Event and Mask register.
 228 */
 229 #define SMCM_BRKE       ((unsigned char)0x40)   /* When in UART Mode */
 230 #define SMCM_BRK        ((unsigned char)0x10)   /* When in UART Mode */
 231 #define SMCM_TXE        ((unsigned char)0x10)
 232 #define SMCM_BSY        ((unsigned char)0x04)
 233 #define SMCM_TX         ((unsigned char)0x02)
 234 #define SMCM_RX         ((unsigned char)0x01)
 235
 236 /* Baud rate generators.
 237 */
 238 #define CPM_BRG_RST             ((uint)0x00020000)
 239 #define CPM_BRG_EN              ((uint)0x00010000)
 240 #define CPM_BRG_EXTC_INT        ((uint)0x00000000)
 241 #define CPM_BRG_EXTC_CLK3_9     ((uint)0x00004000)
 242 #define CPM_BRG_EXTC_CLK5_15    ((uint)0x00008000)
 243 #define CPM_BRG_ATB             ((uint)0x00002000)
 244 #define CPM_BRG_CD_MASK         ((uint)0x00001ffe)
 245 #define CPM_BRG_DIV16           ((uint)0x00000001)
 246
 247 /* SCCs.
 248 */
 249 #define SCC_GSMRH_IRP           ((uint)0x00040000)
 250 #define SCC_GSMRH_GDE           ((uint)0x00010000)
 251 #define SCC_GSMRH_TCRC_CCITT    ((uint)0x00008000)
 252 #define SCC_GSMRH_TCRC_BISYNC   ((uint)0x00004000)
 253 #define SCC_GSMRH_TCRC_HDLC     ((uint)0x00000000)
 254 #define SCC_GSMRH_REVD          ((uint)0x00002000)
 255 #define SCC_GSMRH_TRX           ((uint)0x00001000)
 256 #define SCC_GSMRH_TTX           ((uint)0x00000800)
 257 #define SCC_GSMRH_CDP           ((uint)0x00000400)
 258 #define SCC_GSMRH_CTSP          ((uint)0x00000200)
 259 #define SCC_GSMRH_CDS           ((uint)0x00000100)
 260 #define SCC_GSMRH_CTSS          ((uint)0x00000080)
 261 #define SCC_GSMRH_TFL           ((uint)0x00000040)
 262 #define SCC_GSMRH_RFW           ((uint)0x00000020)
 263 #define SCC_GSMRH_TXSY          ((uint)0x00000010)
 264 #define SCC_GSMRH_SYNL16        ((uint)0x0000000c)
 265 #define SCC_GSMRH_SYNL8         ((uint)0x00000008)
 266 #define SCC_GSMRH_SYNL4         ((uint)0x00000004)
 267 #define SCC_GSMRH_RTSM          ((uint)0x00000002)
 268 #define SCC_GSMRH_RSYN          ((uint)0x00000001)
 269
 270 #define SCC_GSMRL_SIR           ((uint)0x80000000)      /* SCC2 only */
 271 #define SCC_GSMRL_EDGE_NONE     ((uint)0x60000000)
 272 #define SCC_GSMRL_EDGE_NEG      ((uint)0x40000000)
 273 #define SCC_GSMRL_EDGE_POS      ((uint)0x20000000)
 274 #define SCC_GSMRL_EDGE_BOTH     ((uint)0x00000000)
 275 #define SCC_GSMRL_TCI           ((uint)0x10000000)
 276 #define SCC_GSMRL_TSNC_3        ((uint)0x0c000000)
 277 #define SCC_GSMRL_TSNC_4        ((uint)0x08000000)
 278 #define SCC_GSMRL_TSNC_14       ((uint)0x04000000)
 279 #define SCC_GSMRL_TSNC_INF      ((uint)0x00000000)
 280 #define SCC_GSMRL_RINV          ((uint)0x02000000)
 281 #define SCC_GSMRL_TINV          ((uint)0x01000000)
 282 #define SCC_GSMRL_TPL_128       ((uint)0x00c00000)
 283 #define SCC_GSMRL_TPL_64        ((uint)0x00a00000)
 284 #define SCC_GSMRL_TPL_48        ((uint)0x00800000)
 285 #define SCC_GSMRL_TPL_32        ((uint)0x00600000)
 286 #define SCC_GSMRL_TPL_16        ((uint)0x00400000)
 287 #define SCC_GSMRL_TPL_8         ((uint)0x00200000)
 288 #define SCC_GSMRL_TPL_NONE      ((uint)0x00000000)
 289 #define SCC_GSMRL_TPP_ALL1      ((uint)0x00180000)
 290 #define SCC_GSMRL_TPP_01        ((uint)0x00100000)
 291 #define SCC_GSMRL_TPP_10        ((uint)0x00080000)
 292 #define SCC_GSMRL_TPP_ZEROS     ((uint)0x00000000)
 293 #define SCC_GSMRL_TEND          ((uint)0x00040000)
 294 #define SCC_GSMRL_TDCR_32       ((uint)0x00030000)
 295 #define SCC_GSMRL_TDCR_16       ((uint)0x00020000)
 296 #define SCC_GSMRL_TDCR_8        ((uint)0x00010000)
 297 #define SCC_GSMRL_TDCR_1        ((uint)0x00000000)
 298 #define SCC_GSMRL_RDCR_32       ((uint)0x0000c000)
 299 #define SCC_GSMRL_RDCR_16       ((uint)0x00008000)
 300 #define SCC_GSMRL_RDCR_8        ((uint)0x00004000)
 301 #define SCC_GSMRL_RDCR_1        ((uint)0x00000000)
 302 #define SCC_GSMRL_RENC_DFMAN    ((uint)0x00003000)
 303 #define SCC_GSMRL_RENC_MANCH    ((uint)0x00002000)
 304 #define SCC_GSMRL_RENC_FM0      ((uint)0x00001000)
 305 #define SCC_GSMRL_RENC_NRZI     ((uint)0x00000800)
 306 #define SCC_GSMRL_RENC_NRZ      ((uint)0x00000000)
 307 #define SCC_GSMRL_TENC_DFMAN    ((uint)0x00000600)
 308 #define SCC_GSMRL_TENC_MANCH    ((uint)0x00000400)
 309 #define SCC_GSMRL_TENC_FM0      ((uint)0x00000200)
 310 #define SCC_GSMRL_TENC_NRZI     ((uint)0x00000100)
 311 #define SCC_GSMRL_TENC_NRZ      ((uint)0x00000000)
 312 #define SCC_GSMRL_DIAG_LE       ((uint)0x000000c0)      /* Loop and echo */
 313 #define SCC_GSMRL_DIAG_ECHO     ((uint)0x00000080)
 314 #define SCC_GSMRL_DIAG_LOOP     ((uint)0x00000040)
 315 #define SCC_GSMRL_DIAG_NORM     ((uint)0x00000000)
 316 #define SCC_GSMRL_ENR           ((uint)0x00000020)
 317 #define SCC_GSMRL_ENT           ((uint)0x00000010)
 318 #define SCC_GSMRL_MODE_ENET     ((uint)0x0000000c)
 319 #define SCC_GSMRL_MODE_DDCMP    ((uint)0x00000009)
 320 #define SCC_GSMRL_MODE_BISYNC   ((uint)0x00000008)
 321 #define SCC_GSMRL_MODE_V14      ((uint)0x00000007)
 322 #define SCC_GSMRL_MODE_AHDLC    ((uint)0x00000006)
 323 #define SCC_GSMRL_MODE_PROFIBUS ((uint)0x00000005)
 324 #define SCC_GSMRL_MODE_UART     ((uint)0x00000004)
 325 #define SCC_GSMRL_MODE_SS7      ((uint)0x00000003)
 326 #define SCC_GSMRL_MODE_ATALK    ((uint)0x00000002)
 327 #define SCC_GSMRL_MODE_HDLC     ((uint)0x00000000)
 328
 329 #define SCC_TODR_TOD            ((ushort)0x8000)
 330
 331 /* SCC Event and Mask register.
 332 */
 333 #define SCCM_TXE        ((unsigned char)0x10)
 334 #define SCCM_BSY        ((unsigned char)0x04)
 335 #define SCCM_TX         ((unsigned char)0x02)
 336 #define SCCM_RX         ((unsigned char)0x01)
 337
 338 typedef struct scc_param {
 339         ushort  scc_rbase;      /* Rx Buffer descriptor base address */
 340         ushort  scc_tbase;      /* Tx Buffer descriptor base address */
 341         u_char  scc_rfcr;       /* Rx function code */
 342         u_char  scc_tfcr;       /* Tx function code */
 343         ushort  scc_mrblr;      /* Max receive buffer length */
 344         uint    scc_rstate;     /* Internal */
 345         uint    scc_idp;        /* Internal */
 346         ushort  scc_rbptr;      /* Internal */
 347         ushort  scc_ibc;        /* Internal */
 348         uint    scc_rxtmp;      /* Internal */
 349         uint    scc_tstate;     /* Internal */
 350         uint    scc_tdp;        /* Internal */
 351         ushort  scc_tbptr;      /* Internal */
 352         ushort  scc_tbc;        /* Internal */
 353         uint    scc_txtmp;      /* Internal */
 354         uint    scc_rcrc;       /* Internal */
 355         uint    scc_tcrc;       /* Internal */
 356 } sccp_t;
 357
 358 /* CPM Ethernet through SCC1.
 359  */
 360 typedef struct scc_enet {
 361         sccp_t  sen_genscc;
 362         uint    sen_cpres;      /* Preset CRC */
 363         uint    sen_cmask;      /* Constant mask for CRC */
 364         uint    sen_crcec;      /* CRC Error counter */
 365         uint    sen_alec;       /* alignment error counter */
 366         uint    sen_disfc;      /* discard frame counter */
 367         ushort  sen_pads;       /* Tx short frame pad character */
 368         ushort  sen_retlim;     /* Retry limit threshold */
 369         ushort  sen_retcnt;     /* Retry limit counter */
 370         ushort  sen_maxflr;     /* maximum frame length register */
 371         ushort  sen_minflr;     /* minimum frame length register */
 372         ushort  sen_maxd1;      /* maximum DMA1 length */
 373         ushort  sen_maxd2;      /* maximum DMA2 length */
 374         ushort  sen_maxd;       /* Rx max DMA */
 375         ushort  sen_dmacnt;     /* Rx DMA counter */
 376         ushort  sen_maxb;       /* Max BD byte count */
 377         ushort  sen_gaddr1;     /* Group address filter */
 378         ushort  sen_gaddr2;
 379         ushort  sen_gaddr3;
 380         ushort  sen_gaddr4;
 381         uint    sen_tbuf0data0; /* Save area 0 - current frame */
 382         uint    sen_tbuf0data1; /* Save area 1 - current frame */
 383         uint    sen_tbuf0rba;   /* Internal */
 384         uint    sen_tbuf0crc;   /* Internal */
 385         ushort  sen_tbuf0bcnt;  /* Internal */
 386         ushort  sen_paddrh;     /* physical address (MSB) */
 387         ushort  sen_paddrm;
 388         ushort  sen_paddrl;     /* physical address (LSB) */
 389         ushort  sen_pper;       /* persistence */
 390         ushort  sen_rfbdptr;    /* Rx first BD pointer */
 391         ushort  sen_tfbdptr;    /* Tx first BD pointer */
 392         ushort  sen_tlbdptr;    /* Tx last BD pointer */
 393         uint    sen_tbuf1data0; /* Save area 0 - current frame */
 394         uint    sen_tbuf1data1; /* Save area 1 - current frame */
 395         uint    sen_tbuf1rba;   /* Internal */
 396         uint    sen_tbuf1crc;   /* Internal */
 397         ushort  sen_tbuf1bcnt;  /* Internal */
 398         ushort  sen_txlen;      /* Tx Frame length counter */
 399         ushort  sen_iaddr1;     /* Individual address filter */
 400         ushort  sen_iaddr2;
 401         ushort  sen_iaddr3;
 402         ushort  sen_iaddr4;
 403         ushort  sen_boffcnt;    /* Backoff counter */
 404
 405         /* NOTE: Some versions of the manual have the following items
 406          * incorrectly documented.  Below is the proper order.
 407          */
 408         ushort  sen_taddrh;     /* temp address (MSB) */
 409         ushort  sen_taddrm;
 410         ushort  sen_taddrl;     /* temp address (LSB) */
 411 } scc_enet_t;
 412
 413
 414 /* SCC Event register as used by Ethernet.
 415 */
 416 #define SCCE_ENET_GRA   ((ushort)0x0080)        /* Graceful stop complete */
 417 #define SCCE_ENET_TXE   ((ushort)0x0010)        /* Transmit Error */
 418 #define SCCE_ENET_RXF   ((ushort)0x0008)        /* Full frame received */
 419 #define SCCE_ENET_BSY   ((ushort)0x0004)        /* All incoming buffers full */
 420 #define SCCE_ENET_TXB   ((ushort)0x0002)        /* A buffer was transmitted */
 421 #define SCCE_ENET_RXB   ((ushort)0x0001)        /* A buffer was received */
 422
 423 /* SCC Mode Register (PSMR) as used by Ethernet.
 424 */
 425 #define SCC_PSMR_HBC    ((ushort)0x8000)        /* Enable heartbeat */
 426 #define SCC_PSMR_FC     ((ushort)0x4000)        /* Force collision */
 427 #define SCC_PSMR_RSH    ((ushort)0x2000)        /* Receive short frames */
 428 #define SCC_PSMR_IAM    ((ushort)0x1000)        /* Check individual hash */
 429 #define SCC_PSMR_ENCRC  ((ushort)0x0800)        /* Ethernet CRC mode */
 430 #define SCC_PSMR_PRO    ((ushort)0x0200)        /* Promiscuous mode */
 431 #define SCC_PSMR_BRO    ((ushort)0x0100)        /* Catch broadcast pkts */
 432 #define SCC_PSMR_SBT    ((ushort)0x0080)        /* Special backoff timer */
 433 #define SCC_PSMR_LPB    ((ushort)0x0040)        /* Set Loopback mode */
 434 #define SCC_PSMR_SIP    ((ushort)0x0020)        /* Sample Input Pins */
 435 #define SCC_PSMR_LCW    ((ushort)0x0010)        /* Late collision window */
 436 #define SCC_PSMR_NIB22  ((ushort)0x000a)        /* Start frame search */
 437 #define SCC_PSMR_FDE    ((ushort)0x0001)        /* Full duplex enable */
 438
 439 /* Buffer descriptor control/status used by Ethernet receive.
 440  * Common to SCC and FCC.
 441  */
 442 #define BD_ENET_RX_EMPTY        ((ushort)0x8000)
 443 #define BD_ENET_RX_WRAP         ((ushort)0x2000)
 444 #define BD_ENET_RX_INTR         ((ushort)0x1000)
 445 #define BD_ENET_RX_LAST         ((ushort)0x0800)
 446 #define BD_ENET_RX_FIRST        ((ushort)0x0400)
 447 #define BD_ENET_RX_MISS         ((ushort)0x0100)
 448 #define BD_ENET_RX_BC           ((ushort)0x0080)        /* FCC Only */
 449 #define BD_ENET_RX_MC           ((ushort)0x0040)        /* FCC Only */
 450 #define BD_ENET_RX_LG           ((ushort)0x0020)
 451 #define BD_ENET_RX_NO           ((ushort)0x0010)
 452 #define BD_ENET_RX_SH           ((ushort)0x0008)
 453 #define BD_ENET_RX_CR           ((ushort)0x0004)
 454 #define BD_ENET_RX_OV           ((ushort)0x0002)
 455 #define BD_ENET_RX_CL           ((ushort)0x0001)
 456 #define BD_ENET_RX_STATS        ((ushort)0x01ff)        /* All status bits */
 457
 458 /* Buffer descriptor control/status used by Ethernet transmit.
 459  * Common to SCC and FCC.
 460  */
 461 #define BD_ENET_TX_READY        ((ushort)0x8000)
 462 #define BD_ENET_TX_PAD          ((ushort)0x4000)
 463 #define BD_ENET_TX_WRAP         ((ushort)0x2000)
 464 #define BD_ENET_TX_INTR         ((ushort)0x1000)
 465 #define BD_ENET_TX_LAST         ((ushort)0x0800)
 466 #define BD_ENET_TX_TC           ((ushort)0x0400)
 467 #define BD_ENET_TX_DEF          ((ushort)0x0200)
 468 #define BD_ENET_TX_HB           ((ushort)0x0100)
 469 #define BD_ENET_TX_LC           ((ushort)0x0080)
 470 #define BD_ENET_TX_RL           ((ushort)0x0040)
 471 #define BD_ENET_TX_RCMASK       ((ushort)0x003c)
 472 #define BD_ENET_TX_UN           ((ushort)0x0002)
 473 #define BD_ENET_TX_CSL          ((ushort)0x0001)
 474 #define BD_ENET_TX_STATS        ((ushort)0x03ff)        /* All status bits */
 475
 476 /* SCC as UART
 477 */
 478 typedef struct scc_uart {
 479         sccp_t  scc_genscc;
 480         uint    scc_res1;       /* Reserved */
 481         uint    scc_res2;       /* Reserved */
 482         ushort  scc_maxidl;     /* Maximum idle chars */
 483         ushort  scc_idlc;       /* temp idle counter */
 484         ushort  scc_brkcr;      /* Break count register */
 485         ushort  scc_parec;      /* receive parity error counter */
 486         ushort  scc_frmec;      /* receive framing error counter */
 487         ushort  scc_nosec;      /* receive noise counter */
 488         ushort  scc_brkec;      /* receive break condition counter */
 489         ushort  scc_brkln;      /* last received break length */
 490         ushort  scc_uaddr1;     /* UART address character 1 */
 491         ushort  scc_uaddr2;     /* UART address character 2 */
 492         ushort  scc_rtemp;      /* Temp storage */
 493         ushort  scc_toseq;      /* Transmit out of sequence char */
 494         ushort  scc_char1;      /* control character 1 */
 495         ushort  scc_char2;      /* control character 2 */
 496         ushort  scc_char3;      /* control character 3 */
 497         ushort  scc_char4;      /* control character 4 */
 498         ushort  scc_char5;      /* control character 5 */
 499         ushort  scc_char6;      /* control character 6 */
 500         ushort  scc_char7;      /* control character 7 */
 501         ushort  scc_char8;      /* control character 8 */
 502         ushort  scc_rccm;       /* receive control character mask */
 503         ushort  scc_rccr;       /* receive control character register */
 504         ushort  scc_rlbc;       /* receive last break character */
 505 } scc_uart_t;
 506
 507 /* SCC Event and Mask registers when it is used as a UART.
 508 */
 509 #define UART_SCCM_GLR           ((ushort)0x1000)
 510 #define UART_SCCM_GLT           ((ushort)0x0800)
 511 #define UART_SCCM_AB            ((ushort)0x0200)
 512 #define UART_SCCM_IDL           ((ushort)0x0100)
 513 #define UART_SCCM_GRA           ((ushort)0x0080)
 514 #define UART_SCCM_BRKE          ((ushort)0x0040)
 515 #define UART_SCCM_BRKS          ((ushort)0x0020)
 516 #define UART_SCCM_CCR           ((ushort)0x0008)
 517 #define UART_SCCM_BSY           ((ushort)0x0004)
 518 #define UART_SCCM_TX            ((ushort)0x0002)
 519 #define UART_SCCM_RX            ((ushort)0x0001)
 520
 521 /* The SCC PSMR when used as a UART.
 522 */
 523 #define SCU_PSMR_FLC            ((ushort)0x8000)
 524 #define SCU_PSMR_SL             ((ushort)0x4000)
 525 #define SCU_PSMR_CL             ((ushort)0x3000)
 526 #define SCU_PSMR_UM             ((ushort)0x0c00)
 527 #define SCU_PSMR_FRZ            ((ushort)0x0200)
 528 #define SCU_PSMR_RZS            ((ushort)0x0100)
 529 #define SCU_PSMR_SYN            ((ushort)0x0080)
 530 #define SCU_PSMR_DRT            ((ushort)0x0040)
 531 #define SCU_PSMR_PEN            ((ushort)0x0010)
 532 #define SCU_PSMR_RPM            ((ushort)0x000c)
 533 #define SCU_PSMR_REVP           ((ushort)0x0008)
 534 #define SCU_PSMR_TPM            ((ushort)0x0003)
 535 #define SCU_PSMR_TEVP           ((ushort)0x0002)
 536
 537 /* CPM Transparent mode SCC.
 538  */
 539 typedef struct scc_trans {
 540         sccp_t  st_genscc;
 541         uint    st_cpres;       /* Preset CRC */
 542         uint    st_cmask;       /* Constant mask for CRC */
 543 } scc_trans_t;
 544
 545 #define BD_SCC_TX_LAST          ((ushort)0x0800)
 546
 547 /* How about some FCCs.....
 548 */
 549 #define FCC_GFMR_DIAG_NORM      ((uint)0x00000000)
 550 #define FCC_GFMR_DIAG_LE        ((uint)0x40000000)
 551 #define FCC_GFMR_DIAG_AE        ((uint)0x80000000)
 552 #define FCC_GFMR_DIAG_ALE       ((uint)0xc0000000)
 553 #define FCC_GFMR_TCI            ((uint)0x20000000)
 554 #define FCC_GFMR_TRX            ((uint)0x10000000)
 555 #define FCC_GFMR_TTX            ((uint)0x08000000)
 556 #define FCC_GFMR_TTX            ((uint)0x08000000)
 557 #define FCC_GFMR_CDP            ((uint)0x04000000)
 558 #define FCC_GFMR_CTSP           ((uint)0x02000000)
 559 #define FCC_GFMR_CDS            ((uint)0x01000000)
 560 #define FCC_GFMR_CTSS           ((uint)0x00800000)
 561 #define FCC_GFMR_SYNL_NONE      ((uint)0x00000000)
 562 #define FCC_GFMR_SYNL_AUTO      ((uint)0x00004000)
 563 #define FCC_GFMR_SYNL_8         ((uint)0x00008000)
 564 #define FCC_GFMR_SYNL_16        ((uint)0x0000c000)
 565 #define FCC_GFMR_RTSM           ((uint)0x00002000)
 566 #define FCC_GFMR_RENC_NRZ       ((uint)0x00000000)
 567 #define FCC_GFMR_RENC_NRZI      ((uint)0x00000800)
 568 #define FCC_GFMR_REVD           ((uint)0x00000400)
 569 #define FCC_GFMR_TENC_NRZ       ((uint)0x00000000)
 570 #define FCC_GFMR_TENC_NRZI      ((uint)0x00000100)
 571 #define FCC_GFMR_TCRC_16        ((uint)0x00000000)
 572 #define FCC_GFMR_TCRC_32        ((uint)0x00000080)
 573 #define FCC_GFMR_ENR            ((uint)0x00000020)
 574 #define FCC_GFMR_ENT            ((uint)0x00000010)
 575 #define FCC_GFMR_MODE_ENET      ((uint)0x0000000c)
 576 #define FCC_GFMR_MODE_ATM       ((uint)0x0000000a)
 577 #define FCC_GFMR_MODE_HDLC      ((uint)0x00000000)
 578
 579 /* Generic FCC parameter ram.
 580 */
 581 typedef struct fcc_param {
 582         ushort  fcc_riptr;      /* Rx Internal temp pointer */
 583         ushort  fcc_tiptr;      /* Tx Internal temp pointer */
 584         ushort  fcc_res1;
 585         ushort  fcc_mrblr;      /* Max receive buffer length, mod 32 bytes */
 586         uint    fcc_rstate;     /* Upper byte is Func code, must be set */
 587         uint    fcc_rbase;      /* Receive BD base */
 588         ushort  fcc_rbdstat;    /* RxBD status */
 589         ushort  fcc_rbdlen;     /* RxBD down counter */
 590         uint    fcc_rdptr;      /* RxBD internal data pointer */
 591         uint    fcc_tstate;     /* Upper byte is Func code, must be set */
 592         uint    fcc_tbase;      /* Transmit BD base */
 593         ushort  fcc_tbdstat;    /* TxBD status */
 594         ushort  fcc_tbdlen;     /* TxBD down counter */
 595         uint    fcc_tdptr;      /* TxBD internal data pointer */
 596         uint    fcc_rbptr;      /* Rx BD Internal buf pointer */
 597         uint    fcc_tbptr;      /* Tx BD Internal buf pointer */
 598         uint    fcc_rcrc;       /* Rx temp CRC */
 599         uint    fcc_res2;
 600         uint    fcc_tcrc;       /* Tx temp CRC */
 601 } fccp_t;
 602
 603
 604 /* Ethernet controller through FCC.
 605 */
 606 typedef struct fcc_enet {
 607         fccp_t  fen_genfcc;
 608         uint    fen_statbuf;    /* Internal status buffer */
 609         uint    fen_camptr;     /* CAM address */
 610         uint    fen_cmask;      /* Constant mask for CRC */
 611         uint    fen_cpres;      /* Preset CRC */
 612         uint    fen_crcec;      /* CRC Error counter */
 613         uint    fen_alec;       /* alignment error counter */
 614         uint    fen_disfc;      /* discard frame counter */
 615         ushort  fen_retlim;     /* Retry limit */
 616         ushort  fen_retcnt;     /* Retry counter */
 617         ushort  fen_pper;       /* Persistence */
 618         ushort  fen_boffcnt;    /* backoff counter */
 619         uint    fen_gaddrh;     /* Group address filter, high 32-bits */
 620         uint    fen_gaddrl;     /* Group address filter, low 32-bits */
 621         ushort  fen_tfcstat;    /* out of sequence TxBD */
 622         ushort  fen_tfclen;
 623         uint    fen_tfcptr;
 624         ushort  fen_mflr;       /* Maximum frame length (1518) */
 625         ushort  fen_paddrh;     /* MAC address */
 626         ushort  fen_paddrm;
 627         ushort  fen_paddrl;
 628         ushort  fen_ibdcount;   /* Internal BD counter */
 629         ushort  fen_ibdstart;   /* Internal BD start pointer */
 630         ushort  fen_ibdend;     /* Internal BD end pointer */
 631         ushort  fen_txlen;      /* Internal Tx frame length counter */
 632         uint    fen_ibdbase[8]; /* Internal use */
 633         uint    fen_iaddrh;     /* Individual address filter */
 634         uint    fen_iaddrl;
 635         ushort  fen_minflr;     /* Minimum frame length (64) */
 636         ushort  fen_taddrh;     /* Filter transfer MAC address */
 637         ushort  fen_taddrm;
 638         ushort  fen_taddrl;
 639         ushort  fen_padptr;     /* Pointer to pad byte buffer */
 640         ushort  fen_cftype;     /* control frame type */
 641         ushort  fen_cfrange;    /* control frame range */
 642         ushort  fen_maxb;       /* maximum BD count */
 643         ushort  fen_maxd1;      /* Max DMA1 length (1520) */
 644         ushort  fen_maxd2;      /* Max DMA2 length (1520) */
 645         ushort  fen_maxd;       /* internal max DMA count */
 646         ushort  fen_dmacnt;     /* internal DMA counter */
 647         uint    fen_octc;       /* Total octect counter */
 648         uint    fen_colc;       /* Total collision counter */
 649         uint    fen_broc;       /* Total broadcast packet counter */
 650         uint    fen_mulc;       /* Total multicast packet count */
 651         uint    fen_uspc;       /* Total packets < 64 bytes */
 652         uint    fen_frgc;       /* Total packets < 64 bytes with errors */
 653         uint    fen_ospc;       /* Total packets > 1518 */
 654         uint    fen_jbrc;       /* Total packets > 1518 with errors */
 655         uint    fen_p64c;       /* Total packets == 64 bytes */
 656         uint    fen_p65c;       /* Total packets 64 < bytes <= 127 */
 657         uint    fen_p128c;      /* Total packets 127 < bytes <= 255 */
 658         uint    fen_p256c;      /* Total packets 256 < bytes <= 511 */
 659         uint    fen_p512c;      /* Total packets 512 < bytes <= 1023 */
 660         uint    fen_p1024c;     /* Total packets 1024 < bytes <= 1518 */
 661         uint    fen_cambuf;     /* Internal CAM buffer poiner */
 662         ushort  fen_rfthr;      /* Received frames threshold */
 663         ushort  fen_rfcnt;      /* Received frames count */
 664 } fcc_enet_t;
 665
 666 /* FCC Event/Mask register as used by Ethernet.
 667 */
 668 #define FCC_ENET_GRA    ((ushort)0x0080)        /* Graceful stop complete */
 669 #define FCC_ENET_RXC    ((ushort)0x0040)        /* Control Frame Received */
 670 #define FCC_ENET_TXC    ((ushort)0x0020)        /* Out of seq. Tx sent */
 671 #define FCC_ENET_TXE    ((ushort)0x0010)        /* Transmit Error */
 672 #define FCC_ENET_RXF    ((ushort)0x0008)        /* Full frame received */
 673 #define FCC_ENET_BSY    ((ushort)0x0004)        /* Busy.  Rx Frame dropped */
 674 #define FCC_ENET_TXB    ((ushort)0x0002)        /* A buffer was transmitted */
 675 #define FCC_ENET_RXB    ((ushort)0x0001)        /* A buffer was received */
 676
 677 /* FCC Mode Register (FPSMR) as used by Ethernet.
 678 */
 679 #define FCC_PSMR_HBC    ((uint)0x80000000)      /* Enable heartbeat */
 680 #define FCC_PSMR_FC     ((uint)0x40000000)      /* Force Collision */
 681 #define FCC_PSMR_SBT    ((uint)0x20000000)      /* Stop backoff timer */
 682 #define FCC_PSMR_LPB    ((uint)0x10000000)      /* Local protect. 1 = FDX */
 683 #define FCC_PSMR_LCW    ((uint)0x08000000)      /* Late collision select */
 684 #define FCC_PSMR_FDE    ((uint)0x04000000)      /* Full Duplex Enable */
 685 #define FCC_PSMR_MON    ((uint)0x02000000)      /* RMON Enable */
 686 #define FCC_PSMR_PRO    ((uint)0x00400000)      /* Promiscuous Enable */
 687 #define FCC_PSMR_FCE    ((uint)0x00200000)      /* Flow Control Enable */
 688 #define FCC_PSMR_RSH    ((uint)0x00100000)      /* Receive Short Frames */
 689 #define FCC_PSMR_CAM    ((uint)0x00000400)      /* CAM enable */
 690 #define FCC_PSMR_BRO    ((uint)0x00000200)      /* Broadcast pkt discard */
 691 #define FCC_PSMR_ENCRC  ((uint)0x00000080)      /* Use 32-bit CRC */
 692
 693 /* IIC parameter RAM.
 694 */
 695 typedef struct iic {
 696         ushort  iic_rbase;      /* Rx Buffer descriptor base address */
 697         ushort  iic_tbase;      /* Tx Buffer descriptor base address */
 698         u_char  iic_rfcr;       /* Rx function code */
 699         u_char  iic_tfcr;       /* Tx function code */
 700         ushort  iic_mrblr;      /* Max receive buffer length */
 701         uint    iic_rstate;     /* Internal */
 702         uint    iic_rdp;        /* Internal */
 703         ushort  iic_rbptr;      /* Internal */
 704         ushort  iic_rbc;        /* Internal */
 705         uint    iic_rxtmp;      /* Internal */
 706         uint    iic_tstate;     /* Internal */
 707         uint    iic_tdp;        /* Internal */
 708         ushort  iic_tbptr;      /* Internal */
 709         ushort  iic_tbc;        /* Internal */
 710         uint    iic_txtmp;      /* Internal */
 711 } iic_t;
 712
 713 /* SPI parameter RAM.
 714 */
 715 typedef struct spi {
 716         ushort  spi_rbase;      /* Rx Buffer descriptor base address */
 717         ushort  spi_tbase;      /* Tx Buffer descriptor base address */
 718         u_char  spi_rfcr;       /* Rx function code */
 719         u_char  spi_tfcr;       /* Tx function code */
 720         ushort  spi_mrblr;      /* Max receive buffer length */
 721         uint    spi_rstate;     /* Internal */
 722         uint    spi_rdp;        /* Internal */
 723         ushort  spi_rbptr;      /* Internal */
 724         ushort  spi_rbc;        /* Internal */
 725         uint    spi_rxtmp;      /* Internal */
 726         uint    spi_tstate;     /* Internal */
 727         uint    spi_tdp;        /* Internal */
 728         ushort  spi_tbptr;      /* Internal */
 729         ushort  spi_tbc;        /* Internal */
 730         uint    spi_txtmp;      /* Internal */
 731         uint    spi_res;        /* Tx temp. */
 732         uint    spi_res1[4];    /* SDMA temp. */
 733 } spi_t;
 734
 735 /* SPI Mode register.
 736 */
 737 #define SPMODE_LOOP     ((ushort)0x4000)        /* Loopback */
 738 #define SPMODE_CI       ((ushort)0x2000)        /* Clock Invert */
 739 #define SPMODE_CP       ((ushort)0x1000)        /* Clock Phase */
 740 #define SPMODE_DIV16    ((ushort)0x0800)        /* BRG/16 mode */
 741 #define SPMODE_REV      ((ushort)0x0400)        /* Reversed Data */
 742 #define SPMODE_MSTR     ((ushort)0x0200)        /* SPI Master */
 743 #define SPMODE_EN       ((ushort)0x0100)        /* Enable */
 744 #define SPMODE_LENMSK   ((ushort)0x00f0)        /* character length */
 745 #define SPMODE_PMMSK    ((ushort)0x000f)        /* prescale modulus */
 746
 747 #define SPMODE_LEN(x)   ((((x)-1)&0xF)<<4)
 748 #define SPMODE_PM(x)    ((x) &0xF)
 749
 750 #define SPI_EB          ((u_char)0x10)          /* big endian byte order */
 751
 752 #define BD_IIC_START            ((ushort)0x0400)
 753
 754 /* IDMA parameter RAM
 755 */
 756 typedef struct idma {
 757         ushort ibase;           /* IDMA buffer descriptor table base address */
 758         ushort dcm;             /* DMA channel mode */
 759         ushort ibdptr;          /* IDMA current buffer descriptor pointer */
 760         ushort dpr_buf;         /* IDMA transfer buffer base address */
 761         ushort buf_inv;         /* internal buffer inventory */
 762         ushort ss_max;          /* steady-state maximum transfer size */
 763         ushort dpr_in_ptr;      /* write pointer inside the internal buffer */
 764         ushort sts;             /* source transfer size */
 765         ushort dpr_out_ptr;     /* read pointer inside the internal buffer */
 766         ushort seob;            /* source end of burst */
 767         ushort deob;            /* destination end of burst */
 768         ushort dts;             /* destination transfer size */
 769         ushort ret_add;         /* return address when working in ERM=1 mode */
 770         ushort res0;            /* reserved */
 771         uint   bd_cnt;          /* internal byte count */
 772         uint   s_ptr;           /* source internal data pointer */
 773         uint   d_ptr;           /* destination internal data pointer */
 774         uint   istate;          /* internal state */
 775         u_char res1[20];        /* pad to 64-byte length */
 776 } idma_t;
 777
 778 /* DMA channel mode bit fields
 779 */
 780 #define IDMA_DCM_FB             ((ushort)0x8000) /* fly-by mode */
 781 #define IDMA_DCM_LP             ((ushort)0x4000) /* low priority */
 782 #define IDMA_DCM_TC2            ((ushort)0x0400) /* value driven on TC[2] */
 783 #define IDMA_DCM_DMA_WRAP_MASK  ((ushort)0x01c0) /* mask for DMA wrap */
 784 #define IDMA_DCM_DMA_WRAP_64    ((ushort)0x0000) /* 64-byte DMA xfer buffer */
 785 #define IDMA_DCM_DMA_WRAP_128   ((ushort)0x0040) /* 128-byte DMA xfer buffer */
 786 #define IDMA_DCM_DMA_WRAP_256   ((ushort)0x0080) /* 256-byte DMA xfer buffer */
 787 #define IDMA_DCM_DMA_WRAP_512   ((ushort)0x00c0) /* 512-byte DMA xfer buffer */
 788 #define IDMA_DCM_DMA_WRAP_1024  ((ushort)0x0100) /* 1024-byte DMA xfer buffer */
 789 #define IDMA_DCM_DMA_WRAP_2048  ((ushort)0x0140) /* 2048-byte DMA xfer buffer */
 790 #define IDMA_DCM_SINC           ((ushort)0x0020) /* source inc addr */
 791 #define IDMA_DCM_DINC           ((ushort)0x0010) /* destination inc addr */
 792 #define IDMA_DCM_ERM            ((ushort)0x0008) /* external request mode */
 793 #define IDMA_DCM_DT             ((ushort)0x0004) /* DONE treatment */
 794 #define IDMA_DCM_SD_MASK        ((ushort)0x0003) /* mask for SD bit field */
 795 #define IDMA_DCM_SD_MEM2MEM     ((ushort)0x0000) /* memory-to-memory xfer */
 796 #define IDMA_DCM_SD_PER2MEM     ((ushort)0x0002) /* peripheral-to-memory xfer */
 797 #define IDMA_DCM_SD_MEM2PER     ((ushort)0x0001) /* memory-to-peripheral xfer */
 798
 799 /* IDMA Buffer Descriptors
 800 */
 801 typedef struct idma_bd {
 802         uint flags;
 803         uint len;       /* data length */
 804         uint src;       /* source data buffer pointer */
 805         uint dst;       /* destination data buffer pointer */
 806 } idma_bd_t;
 807
 808 /* IDMA buffer descriptor flag bit fields
 809 */
 810 #define IDMA_BD_V       ((uint)0x80000000)      /* valid */
 811 #define IDMA_BD_W       ((uint)0x20000000)      /* wrap */
 812 #define IDMA_BD_I       ((uint)0x10000000)      /* interrupt */
 813 #define IDMA_BD_L       ((uint)0x08000000)      /* last */
 814 #define IDMA_BD_CM      ((uint)0x02000000)      /* continuous mode */
 815 #define IDMA_BD_SDN     ((uint)0x00400000)      /* source done */
 816 #define IDMA_BD_DDN     ((uint)0x00200000)      /* destination done */
 817 #define IDMA_BD_DGBL    ((uint)0x00100000)      /* destination global */
 818 #define IDMA_BD_DBO_LE  ((uint)0x00040000)      /* little-end dest byte order */
 819 #define IDMA_BD_DBO_BE  ((uint)0x00080000)      /* big-end dest byte order */
 820 #define IDMA_BD_DDTB    ((uint)0x00010000)      /* destination data bus */
 821 #define IDMA_BD_SGBL    ((uint)0x00002000)      /* source global */
 822 #define IDMA_BD_SBO_LE  ((uint)0x00000800)      /* little-end src byte order */
 823 #define IDMA_BD_SBO_BE  ((uint)0x00001000)      /* big-end src byte order */
 824 #define IDMA_BD_SDTB    ((uint)0x00000200)      /* source data bus */
 825
 826 /* per-channel IDMA registers
 827 */
 828 typedef struct im_idma {
 829         u_char idsr;                    /* IDMAn event status register */
 830         u_char res0[3];
 831         u_char idmr;                    /* IDMAn event mask register */
 832         u_char res1[3];
 833 } im_idma_t;
 834
 835 /* IDMA event register bit fields
 836 */
 837 #define IDMA_EVENT_SC   ((unsigned char)0x08)   /* stop completed */
 838 #define IDMA_EVENT_OB   ((unsigned char)0x04)   /* out of buffers */
 839 #define IDMA_EVENT_EDN  ((unsigned char)0x02)   /* external DONE asserted */
 840 #define IDMA_EVENT_BC   ((unsigned char)0x01)   /* buffer descriptor complete */
 841
 842 /* RISC Controller Configuration Register (RCCR) bit fields
 843 */
 844 #define RCCR_TIME       ((uint)0x80000000) /* timer enable */
 845 #define RCCR_TIMEP_MASK ((uint)0x3f000000) /* mask for timer period bit field */
 846 #define RCCR_DR0M       ((uint)0x00800000) /* IDMA0 request mode */
 847 #define RCCR_DR1M       ((uint)0x00400000) /* IDMA1 request mode */
 848 #define RCCR_DR2M       ((uint)0x00000080) /* IDMA2 request mode */
 849 #define RCCR_DR3M       ((uint)0x00000040) /* IDMA3 request mode */
 850 #define RCCR_DR0QP_MASK ((uint)0x00300000) /* mask for IDMA0 req priority */
 851 #define RCCR_DR0QP_HIGH ((uint)0x00000000) /* IDMA0 has high req priority */
 852 #define RCCR_DR0QP_MED  ((uint)0x00100000) /* IDMA0 has medium req priority */
 853 #define RCCR_DR0QP_LOW  ((uint)0x00200000) /* IDMA0 has low req priority */
 854 #define RCCR_DR1QP_MASK ((uint)0x00030000) /* mask for IDMA1 req priority */
 855 #define RCCR_DR1QP_HIGH ((uint)0x00000000) /* IDMA1 has high req priority */
 856 #define RCCR_DR1QP_MED  ((uint)0x00010000) /* IDMA1 has medium req priority */
 857 #define RCCR_DR1QP_LOW  ((uint)0x00020000) /* IDMA1 has low req priority */
 858 #define RCCR_DR2QP_MASK ((uint)0x00000030) /* mask for IDMA2 req priority */
 859 #define RCCR_DR2QP_HIGH ((uint)0x00000000) /* IDMA2 has high req priority */
 860 #define RCCR_DR2QP_MED  ((uint)0x00000010) /* IDMA2 has medium req priority */
 861 #define RCCR_DR2QP_LOW  ((uint)0x00000020) /* IDMA2 has low req priority */
 862 #define RCCR_DR3QP_MASK ((uint)0x00000003) /* mask for IDMA3 req priority */
 863 #define RCCR_DR3QP_HIGH ((uint)0x00000000) /* IDMA3 has high req priority */
 864 #define RCCR_DR3QP_MED  ((uint)0x00000001) /* IDMA3 has medium req priority */
 865 #define RCCR_DR3QP_LOW  ((uint)0x00000002) /* IDMA3 has low req priority */
 866 #define RCCR_EIE        ((uint)0x00080000) /* external interrupt enable */
 867 #define RCCR_SCD        ((uint)0x00040000) /* scheduler configuration */
 868 #define RCCR_ERAM_MASK  ((uint)0x0000e000) /* mask for enable RAM microcode */
 869 #define RCCR_ERAM_0KB   ((uint)0x00000000) /* use 0KB of dpram for microcode */
 870 #define RCCR_ERAM_2KB   ((uint)0x00002000) /* use 2KB of dpram for microcode */
 871 #define RCCR_ERAM_4KB   ((uint)0x00004000) /* use 4KB of dpram for microcode */
 872 #define RCCR_ERAM_6KB   ((uint)0x00006000) /* use 6KB of dpram for microcode */
 873 #define RCCR_ERAM_8KB   ((uint)0x00008000) /* use 8KB of dpram for microcode */
 874 #define RCCR_ERAM_10KB  ((uint)0x0000a000) /* use 10KB of dpram for microcode */
 875 #define RCCR_ERAM_12KB  ((uint)0x0000c000) /* use 12KB of dpram for microcode */
 876 #define RCCR_EDM0       ((uint)0x00000800) /* DREQ0 edge detect mode */
 877 #define RCCR_EDM1       ((uint)0x00000400) /* DREQ1 edge detect mode */
 878 #define RCCR_EDM2       ((uint)0x00000200) /* DREQ2 edge detect mode */
 879 #define RCCR_EDM3       ((uint)0x00000100) /* DREQ3 edge detect mode */
 880 #define RCCR_DEM01      ((uint)0x00000008) /* DONE0/DONE1 edge detect mode */
 881 #define RCCR_DEM23      ((uint)0x00000004) /* DONE2/DONE3 edge detect mode */
 882
 883 /*-----------------------------------------------------------------------
 884  * CMXFCR - CMX FCC Clock Route Register
 885  */
 886 #define CMXFCR_FC1         0x40000000   /* FCC1 connection              */
 887 #define CMXFCR_RF1CS_MSK   0x38000000   /* Receive FCC1 Clock Source Mask */
 888 #define CMXFCR_TF1CS_MSK   0x07000000   /* Transmit FCC1 Clock Source Mask */
 889 #define CMXFCR_FC2         0x00400000   /* FCC2 connection              */
 890 #define CMXFCR_RF2CS_MSK   0x00380000   /* Receive FCC2 Clock Source Mask */
 891 #define CMXFCR_TF2CS_MSK   0x00070000   /* Transmit FCC2 Clock Source Mask */
 892 #define CMXFCR_FC3         0x00004000   /* FCC3 connection              */
 893 #define CMXFCR_RF3CS_MSK   0x00003800   /* Receive FCC3 Clock Source Mask */
 894 #define CMXFCR_TF3CS_MSK   0x00000700   /* Transmit FCC3 Clock Source Mask */
 895
 896 #define CMXFCR_RF1CS_BRG5  0x00000000   /* Receive FCC1 Clock Source is BRG5 */
 897 #define CMXFCR_RF1CS_BRG6  0x08000000   /* Receive FCC1 Clock Source is BRG6 */
 898 #define CMXFCR_RF1CS_BRG7  0x10000000   /* Receive FCC1 Clock Source is BRG7 */
 899 #define CMXFCR_RF1CS_BRG8  0x18000000   /* Receive FCC1 Clock Source is BRG8 */
 900 #define CMXFCR_RF1CS_CLK9  0x20000000   /* Receive FCC1 Clock Source is CLK9 */
 901 #define CMXFCR_RF1CS_CLK10 0x28000000   /* Receive FCC1 Clock Source is CLK10 */
 902 #define CMXFCR_RF1CS_CLK11 0x30000000   /* Receive FCC1 Clock Source is CLK11 */
 903 #define CMXFCR_RF1CS_CLK12 0x38000000   /* Receive FCC1 Clock Source is CLK12 */
 904
 905 #define CMXFCR_TF1CS_BRG5  0x00000000   /* Transmit FCC1 Clock Source is BRG5 */
 906 #define CMXFCR_TF1CS_BRG6  0x01000000   /* Transmit FCC1 Clock Source is BRG6 */
 907 #define CMXFCR_TF1CS_BRG7  0x02000000   /* Transmit FCC1 Clock Source is BRG7 */
 908 #define CMXFCR_TF1CS_BRG8  0x03000000   /* Transmit FCC1 Clock Source is BRG8 */
 909 #define CMXFCR_TF1CS_CLK9  0x04000000   /* Transmit FCC1 Clock Source is CLK9 */
 910 #define CMXFCR_TF1CS_CLK10 0x05000000   /* Transmit FCC1 Clock Source is CLK10 */
 911 #define CMXFCR_TF1CS_CLK11 0x06000000   /* Transmit FCC1 Clock Source is CLK11 */
 912 #define CMXFCR_TF1CS_CLK12 0x07000000   /* Transmit FCC1 Clock Source is CLK12 */
 913
 914 #define CMXFCR_RF2CS_BRG5  0x00000000   /* Receive FCC2 Clock Source is BRG5 */
 915 #define CMXFCR_RF2CS_BRG6  0x00080000   /* Receive FCC2 Clock Source is BRG6 */
 916 #define CMXFCR_RF2CS_BRG7  0x00100000   /* Receive FCC2 Clock Source is BRG7 */
 917 #define CMXFCR_RF2CS_BRG8  0x00180000   /* Receive FCC2 Clock Source is BRG8 */
 918 #define CMXFCR_RF2CS_CLK13 0x00200000   /* Receive FCC2 Clock Source is CLK13 */
 919 #define CMXFCR_RF2CS_CLK14 0x00280000   /* Receive FCC2 Clock Source is CLK14 */
 920 #define CMXFCR_RF2CS_CLK15 0x00300000   /* Receive FCC2 Clock Source is CLK15 */
 921 #define CMXFCR_RF2CS_CLK16 0x00380000   /* Receive FCC2 Clock Source is CLK16 */
 922
 923 #define CMXFCR_TF2CS_BRG5  0x00000000   /* Transmit FCC2 Clock Source is BRG5 */
 924 #define CMXFCR_TF2CS_BRG6  0x00010000   /* Transmit FCC2 Clock Source is BRG6 */
 925 #define CMXFCR_TF2CS_BRG7  0x00020000   /* Transmit FCC2 Clock Source is BRG7 */
 926 #define CMXFCR_TF2CS_BRG8  0x00030000   /* Transmit FCC2 Clock Source is BRG8 */
 927 #define CMXFCR_TF2CS_CLK13 0x00040000   /* Transmit FCC2 Clock Source is CLK13 */
 928 #define CMXFCR_TF2CS_CLK14 0x00050000   /* Transmit FCC2 Clock Source is CLK14 */
 929 #define CMXFCR_TF2CS_CLK15 0x00060000   /* Transmit FCC2 Clock Source is CLK15 */
 930 #define CMXFCR_TF2CS_CLK16 0x00070000   /* Transmit FCC2 Clock Source is CLK16 */
 931
 932 #define CMXFCR_RF3CS_BRG5  0x00000000   /* Receive FCC3 Clock Source is BRG5 */
 933 #define CMXFCR_RF3CS_BRG6  0x00000800   /* Receive FCC3 Clock Source is BRG6 */
 934 #define CMXFCR_RF3CS_BRG7  0x00001000   /* Receive FCC3 Clock Source is BRG7 */
 935 #define CMXFCR_RF3CS_BRG8  0x00001800   /* Receive FCC3 Clock Source is BRG8 */
 936 #define CMXFCR_RF3CS_CLK13 0x00002000   /* Receive FCC3 Clock Source is CLK13 */
 937 #define CMXFCR_RF3CS_CLK14 0x00002800   /* Receive FCC3 Clock Source is CLK14 */
 938 #define CMXFCR_RF3CS_CLK15 0x00003000   /* Receive FCC3 Clock Source is CLK15 */
 939 #define CMXFCR_RF3CS_CLK16 0x00003800   /* Receive FCC3 Clock Source is CLK16 */
 940
 941 #define CMXFCR_TF3CS_BRG5  0x00000000   /* Transmit FCC3 Clock Source is BRG5 */
 942 #define CMXFCR_TF3CS_BRG6  0x00000100   /* Transmit FCC3 Clock Source is BRG6 */
 943 #define CMXFCR_TF3CS_BRG7  0x00000200   /* Transmit FCC3 Clock Source is BRG7 */
 944 #define CMXFCR_TF3CS_BRG8  0x00000300   /* Transmit FCC3 Clock Source is BRG8 */
 945 #define CMXFCR_TF3CS_CLK13 0x00000400   /* Transmit FCC3 Clock Source is CLK13 */
 946 #define CMXFCR_TF3CS_CLK14 0x00000500   /* Transmit FCC3 Clock Source is CLK14 */
 947 #define CMXFCR_TF3CS_CLK15 0x00000600   /* Transmit FCC3 Clock Source is CLK15 */
 948 #define CMXFCR_TF3CS_CLK16 0x00000700   /* Transmit FCC3 Clock Source is CLK16 */
 949
 950 /*-----------------------------------------------------------------------
 951  * CMXSCR - CMX SCC Clock Route Register
 952  */
 953 #define CMXSCR_GR1         0x80000000   /* Grant Support of SCC1        */
 954 #define CMXSCR_SC1         0x40000000   /* SCC1 connection              */
 955 #define CMXSCR_RS1CS_MSK   0x38000000   /* Receive SCC1 Clock Source Mask */
 956 #define CMXSCR_TS1CS_MSK   0x07000000   /* Transmit SCC1 Clock Source Mask */
 957 #define CMXSCR_GR2         0x00800000   /* Grant Support of SCC2        */
 958 #define CMXSCR_SC2         0x00400000   /* SCC2 connection              */
 959 #define CMXSCR_RS2CS_MSK   0x00380000   /* Receive SCC2 Clock Source Mask */
 960 #define CMXSCR_TS2CS_MSK   0x00070000   /* Transmit SCC2 Clock Source Mask */
 961 #define CMXSCR_GR3         0x00008000   /* Grant Support of SCC3        */
 962 #define CMXSCR_SC3         0x00004000   /* SCC3 connection              */
 963 #define CMXSCR_RS3CS_MSK   0x00003800   /* Receive SCC3 Clock Source Mask */
 964 #define CMXSCR_TS3CS_MSK   0x00000700   /* Transmit SCC3 Clock Source Mask */
 965 #define CMXSCR_GR4         0x00000080   /* Grant Support of SCC4        */
 966 #define CMXSCR_SC4         0x00000040   /* SCC4 connection              */
 967 #define CMXSCR_RS4CS_MSK   0x00000038   /* Receive SCC4 Clock Source Mask */
 968 #define CMXSCR_TS4CS_MSK   0x00000007   /* Transmit SCC4 Clock Source Mask */
 969
 970 #define CMXSCR_RS1CS_BRG1  0x00000000   /* SCC1 Rx Clock Source is BRG1 */
 971 #define CMXSCR_RS1CS_BRG2  0x08000000   /* SCC1 Rx Clock Source is BRG2 */
 972 #define CMXSCR_RS1CS_BRG3  0x10000000   /* SCC1 Rx Clock Source is BRG3 */
 973 #define CMXSCR_RS1CS_BRG4  0x18000000   /* SCC1 Rx Clock Source is BRG4 */
 974 #define CMXSCR_RS1CS_CLK11 0x20000000   /* SCC1 Rx Clock Source is CLK11 */
 975 #define CMXSCR_RS1CS_CLK12 0x28000000   /* SCC1 Rx Clock Source is CLK12 */
 976 #define CMXSCR_RS1CS_CLK3  0x30000000   /* SCC1 Rx Clock Source is CLK3 */
 977 #define CMXSCR_RS1CS_CLK4  0x38000000   /* SCC1 Rx Clock Source is CLK4 */
 978
 979 #define CMXSCR_TS1CS_BRG1  0x00000000   /* SCC1 Tx Clock Source is BRG1 */
 980 #define CMXSCR_TS1CS_BRG2  0x01000000   /* SCC1 Tx Clock Source is BRG2 */
 981 #define CMXSCR_TS1CS_BRG3  0x02000000   /* SCC1 Tx Clock Source is BRG3 */
 982 #define CMXSCR_TS1CS_BRG4  0x03000000   /* SCC1 Tx Clock Source is BRG4 */
 983 #define CMXSCR_TS1CS_CLK11 0x04000000   /* SCC1 Tx Clock Source is CLK11 */
 984 #define CMXSCR_TS1CS_CLK12 0x05000000   /* SCC1 Tx Clock Source is CLK12 */
 985 #define CMXSCR_TS1CS_CLK3  0x06000000   /* SCC1 Tx Clock Source is CLK3 */
 986 #define CMXSCR_TS1CS_CLK4  0x07000000   /* SCC1 Tx Clock Source is CLK4 */
 987
 988 #define CMXSCR_RS2CS_BRG1  0x00000000   /* SCC2 Rx Clock Source is BRG1 */
 989 #define CMXSCR_RS2CS_BRG2  0x00080000   /* SCC2 Rx Clock Source is BRG2 */
 990 #define CMXSCR_RS2CS_BRG3  0x00100000   /* SCC2 Rx Clock Source is BRG3 */
 991 #define CMXSCR_RS2CS_BRG4  0x00180000   /* SCC2 Rx Clock Source is BRG4 */
 992 #define CMXSCR_RS2CS_CLK11 0x00200000   /* SCC2 Rx Clock Source is CLK11 */
 993 #define CMXSCR_RS2CS_CLK12 0x00280000   /* SCC2 Rx Clock Source is CLK12 */
 994 #define CMXSCR_RS2CS_CLK3  0x00300000   /* SCC2 Rx Clock Source is CLK3 */
 995 #define CMXSCR_RS2CS_CLK4  0x00380000   /* SCC2 Rx Clock Source is CLK4 */
 996
 997 #define CMXSCR_TS2CS_BRG1  0x00000000   /* SCC2 Tx Clock Source is BRG1 */
 998 #define CMXSCR_TS2CS_BRG2  0x00010000   /* SCC2 Tx Clock Source is BRG2 */
 999 #define CMXSCR_TS2CS_BRG3  0x00020000   /* SCC2 Tx Clock Source is BRG3 */
1000 #define CMXSCR_TS2CS_BRG4  0x00030000   /* SCC2 Tx Clock Source is BRG4 */
1001 #define CMXSCR_TS2CS_CLK11 0x00040000   /* SCC2 Tx Clock Source is CLK11 */
1002 #define CMXSCR_TS2CS_CLK12 0x00050000   /* SCC2 Tx Clock Source is CLK12 */
1003 #define CMXSCR_TS2CS_CLK3  0x00060000   /* SCC2 Tx Clock Source is CLK3 */
1004 #define CMXSCR_TS2CS_CLK4  0x00070000   /* SCC2 Tx Clock Source is CLK4 */
1005
1006 #define CMXSCR_RS3CS_BRG1  0x00000000   /* SCC3 Rx Clock Source is BRG1 */
1007 #define CMXSCR_RS3CS_BRG2  0x00000800   /* SCC3 Rx Clock Source is BRG2 */
1008 #define CMXSCR_RS3CS_BRG3  0x00001000   /* SCC3 Rx Clock Source is BRG3 */
1009 #define CMXSCR_RS3CS_BRG4  0x00001800   /* SCC3 Rx Clock Source is BRG4 */
1010 #define CMXSCR_RS3CS_CLK5  0x00002000   /* SCC3 Rx Clock Source is CLK5 */
1011 #define CMXSCR_RS3CS_CLK6  0x00002800   /* SCC3 Rx Clock Source is CLK6 */
1012 #define CMXSCR_RS3CS_CLK7  0x00003000   /* SCC3 Rx Clock Source is CLK7 */
1013 #define CMXSCR_RS3CS_CLK8  0x00003800   /* SCC3 Rx Clock Source is CLK8 */
1014
1015 #define CMXSCR_TS3CS_BRG1  0x00000000   /* SCC3 Tx Clock Source is BRG1 */
1016 #define CMXSCR_TS3CS_BRG2  0x00000100   /* SCC3 Tx Clock Source is BRG2 */
1017 #define CMXSCR_TS3CS_BRG3  0x00000200   /* SCC3 Tx Clock Source is BRG3 */
1018 #define CMXSCR_TS3CS_BRG4  0x00000300   /* SCC3 Tx Clock Source is BRG4 */
1019 #define CMXSCR_TS3CS_CLK5  0x00000400   /* SCC3 Tx Clock Source is CLK5 */
1020 #define CMXSCR_TS3CS_CLK6  0x00000500   /* SCC3 Tx Clock Source is CLK6 */
1021 #define CMXSCR_TS3CS_CLK7  0x00000600   /* SCC3 Tx Clock Source is CLK7 */
1022 #define CMXSCR_TS3CS_CLK8  0x00000700   /* SCC3 Tx Clock Source is CLK8 */
1023
1024 #define CMXSCR_RS4CS_BRG1  0x00000000   /* SCC4 Rx Clock Source is BRG1 */
1025 #define CMXSCR_RS4CS_BRG2  0x00000008   /* SCC4 Rx Clock Source is BRG2 */
1026 #define CMXSCR_RS4CS_BRG3  0x00000010   /* SCC4 Rx Clock Source is BRG3 */
1027 #define CMXSCR_RS4CS_BRG4  0x00000018   /* SCC4 Rx Clock Source is BRG4 */
1028 #define CMXSCR_RS4CS_CLK5  0x00000020   /* SCC4 Rx Clock Source is CLK5 */
1029 #define CMXSCR_RS4CS_CLK6  0x00000028   /* SCC4 Rx Clock Source is CLK6 */
1030 #define CMXSCR_RS4CS_CLK7  0x00000030   /* SCC4 Rx Clock Source is CLK7 */
1031 #define CMXSCR_RS4CS_CLK8  0x00000038   /* SCC4 Rx Clock Source is CLK8 */
1032
1033 #define CMXSCR_TS4CS_BRG1  0x00000000   /* SCC4 Tx Clock Source is BRG1 */
1034 #define CMXSCR_TS4CS_BRG2  0x00000001   /* SCC4 Tx Clock Source is BRG2 */
1035 #define CMXSCR_TS4CS_BRG3  0x00000002   /* SCC4 Tx Clock Source is BRG3 */
1036 #define CMXSCR_TS4CS_BRG4  0x00000003   /* SCC4 Tx Clock Source is BRG4 */
1037 #define CMXSCR_TS4CS_CLK5  0x00000004   /* SCC4 Tx Clock Source is CLK5 */
1038 #define CMXSCR_TS4CS_CLK6  0x00000005   /* SCC4 Tx Clock Source is CLK6 */
1039 #define CMXSCR_TS4CS_CLK7  0x00000006   /* SCC4 Tx Clock Source is CLK7 */
1040 #define CMXSCR_TS4CS_CLK8  0x00000007   /* SCC4 Tx Clock Source is CLK8 */
1041
1042 #endif /* __CPM2__ */
1043 #endif /* __KERNEL__ */
1044
1045