1 /* 2 * MPC8xx Communication Processor Module. 3 * Copyright (c) 1997 Dan Malek (dmalek@jlc.net) 4 * 5 * (C) Copyright 2000-2006 6 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 7 * 8 * This file contains structures and information for the communication 9 * processor channels. Some CPM control and status is available 10 * through the MPC8xx internal memory map. See immap.h for details. 11 * This file only contains what I need for the moment, not the total 12 * CPM capabilities. I (or someone else) will add definitions as they 13 * are needed. -- Dan 14 * 15 */ 16 #ifndef __CPM_8XX__ 17 #define __CPM_8XX__ 18 19 #include <asm/immap_8xx.h> 20 21 /* CPM Command register. 22 */ 23 #define CPM_CR_RST ((ushort)0x8000) 24 #define CPM_CR_OPCODE ((ushort)0x0f00) 25 #define CPM_CR_CHAN ((ushort)0x00f0) 26 #define CPM_CR_FLG ((ushort)0x0001) 27 28 /* Some commands (there are more...later) 29 */ 30 #define CPM_CR_INIT_TRX ((ushort)0x0000) 31 #define CPM_CR_INIT_RX ((ushort)0x0001) 32 #define CPM_CR_INIT_TX ((ushort)0x0002) 33 #define CPM_CR_HUNT_MODE ((ushort)0x0003) 34 #define CPM_CR_STOP_TX ((ushort)0x0004) 35 #define CPM_CR_RESTART_TX ((ushort)0x0006) 36 #define CPM_CR_SET_GADDR ((ushort)0x0008) 37 38 /* Channel numbers. 39 */ 40 #define CPM_CR_CH_SCC1 ((ushort)0x0000) 41 #define CPM_CR_CH_I2C ((ushort)0x0001) /* I2C and IDMA1 */ 42 #define CPM_CR_CH_SCC2 ((ushort)0x0004) 43 #define CPM_CR_CH_SPI ((ushort)0x0005) /* SPI/IDMA2/Timers */ 44 #define CPM_CR_CH_SCC3 ((ushort)0x0008) 45 #define CPM_CR_CH_SMC1 ((ushort)0x0009) /* SMC1 / DSP1 */ 46 #define CPM_CR_CH_SCC4 ((ushort)0x000c) 47 #define CPM_CR_CH_SMC2 ((ushort)0x000d) /* SMC2 / DSP2 */ 48 49 #define mk_cr_cmd(CH, CMD) ((CMD << 8) | (CH << 4)) 50 51 /* 52 * DPRAM defines and allocation functions 53 */ 54 #define CPM_SERIAL_BASE 0x1800 55 #define CPM_I2C_BASE 0x1820 56 #define CPM_SPI_BASE 0x1840 57 #define CPM_FEC_BASE 0x1860 58 #define CPM_SERIAL2_BASE 0x18e0 59 #define CPM_SCC_BASE 0x1900 60 #define CPM_POST_BASE 0x1980 61 #define CPM_WLKBD_BASE 0x1a00 62 63 #define BD_IIC_START ((uint) 0x0400) /* <- please use CPM_I2C_BASE !! */ 64 65 /* Export the base address of the communication processor registers 66 * and dual port ram. 67 */ 68 extern cpm8xx_t *cpmp; /* Pointer to comm processor */ 69 70 /* Buffer descriptors used by many of the CPM protocols. 71 */ 72 typedef struct cpm_buf_desc { 73 ushort cbd_sc; /* Status and Control */ 74 ushort cbd_datlen; /* Data length in buffer */ 75 uint cbd_bufaddr; /* Buffer address in host memory */ 76 } cbd_t; 77 78 #define BD_SC_EMPTY ((ushort)0x8000) /* Receive is empty */ 79 #define BD_SC_READY ((ushort)0x8000) /* Transmit is ready */ 80 #define BD_SC_WRAP ((ushort)0x2000) /* Last buffer descriptor */ 81 #define BD_SC_INTRPT ((ushort)0x1000) /* Interrupt on change */ 82 #define BD_SC_LAST ((ushort)0x0800) /* Last buffer in frame */ 83 #define BD_SC_TC ((ushort)0x0400) /* Transmit CRC */ 84 #define BD_SC_CM ((ushort)0x0200) /* Continuous mode */ 85 #define BD_SC_ID ((ushort)0x0100) /* Rec'd too many idles */ 86 #define BD_SC_P ((ushort)0x0100) /* xmt preamble */ 87 #define BD_SC_BR ((ushort)0x0020) /* Break received */ 88 #define BD_SC_FR ((ushort)0x0010) /* Framing error */ 89 #define BD_SC_PR ((ushort)0x0008) /* Parity error */ 90 #define BD_SC_OV ((ushort)0x0002) /* Overrun */ 91 #define BD_SC_CD ((ushort)0x0001) /* Carrier Detect lost */ 92 93 /* Parameter RAM offsets. 94 */ 95 #define PROFF_SCC1 ((uint)0x0000) 96 #define PROFF_IIC ((uint)0x0080) 97 #define PROFF_REVNUM ((uint)0x00b0) 98 #define PROFF_SCC2 ((uint)0x0100) 99 #define PROFF_SPI ((uint)0x0180) 100 #define PROFF_SCC3 ((uint)0x0200) 101 #define PROFF_SMC1 ((uint)0x0280) 102 #define PROFF_SCC4 ((uint)0x0300) 103 #define PROFF_SMC2 ((uint)0x0380) 104 105 /* Define enough so I can at least use the serial port as a UART. 106 */ 107 typedef struct smc_uart { 108 ushort smc_rbase; /* Rx Buffer descriptor base address */ 109 ushort smc_tbase; /* Tx Buffer descriptor base address */ 110 u_char smc_rfcr; /* Rx function code */ 111 u_char smc_tfcr; /* Tx function code */ 112 ushort smc_mrblr; /* Max receive buffer length */ 113 uint smc_rstate; /* Internal */ 114 uint smc_idp; /* Internal */ 115 ushort smc_rbptr; /* Internal */ 116 ushort smc_ibc; /* Internal */ 117 uint smc_rxtmp; /* Internal */ 118 uint smc_tstate; /* Internal */ 119 uint smc_tdp; /* Internal */ 120 ushort smc_tbptr; /* Internal */ 121 ushort smc_tbc; /* Internal */ 122 uint smc_txtmp; /* Internal */ 123 ushort smc_maxidl; /* Maximum idle characters */ 124 ushort smc_tmpidl; /* Temporary idle counter */ 125 ushort smc_brklen; /* Last received break length */ 126 ushort smc_brkec; /* rcv'd break condition counter */ 127 ushort smc_brkcr; /* xmt break count register */ 128 ushort smc_rmask; /* Temporary bit mask */ 129 u_char res1[8]; 130 ushort smc_rpbase; /* Relocation pointer */ 131 } smc_uart_t; 132 133 /* Function code bits. 134 */ 135 #define SMC_EB ((u_char)0x10) /* Set big endian byte order */ 136 137 /* SMC uart mode register. 138 */ 139 #define SMCMR_REN ((ushort)0x0001) 140 #define SMCMR_TEN ((ushort)0x0002) 141 #define SMCMR_DM ((ushort)0x000c) 142 #define SMCMR_SM_GCI ((ushort)0x0000) 143 #define SMCMR_SM_UART ((ushort)0x0020) 144 #define SMCMR_SM_TRANS ((ushort)0x0030) 145 #define SMCMR_SM_MASK ((ushort)0x0030) 146 #define SMCMR_PM_EVEN ((ushort)0x0100) /* Even parity, else odd */ 147 #define SMCMR_REVD SMCMR_PM_EVEN 148 #define SMCMR_PEN ((ushort)0x0200) /* Parity enable */ 149 #define SMCMR_BS SMCMR_PEN 150 #define SMCMR_SL ((ushort)0x0400) /* Two stops, else one */ 151 #define SMCR_CLEN_MASK ((ushort)0x7800) /* Character length */ 152 #define smcr_mk_clen(C) (((C) << 11) & SMCR_CLEN_MASK) 153 154 /* SMC2 as Centronics parallel printer. It is half duplex, in that 155 * it can only receive or transmit. The parameter ram values for 156 * each direction are either unique or properly overlap, so we can 157 * include them in one structure. 158 */ 159 typedef struct smc_centronics { 160 ushort scent_rbase; 161 ushort scent_tbase; 162 u_char scent_cfcr; 163 u_char scent_smask; 164 ushort scent_mrblr; 165 uint scent_rstate; 166 uint scent_r_ptr; 167 ushort scent_rbptr; 168 ushort scent_r_cnt; 169 uint scent_rtemp; 170 uint scent_tstate; 171 uint scent_t_ptr; 172 ushort scent_tbptr; 173 ushort scent_t_cnt; 174 uint scent_ttemp; 175 ushort scent_max_sl; 176 ushort scent_sl_cnt; 177 ushort scent_character1; 178 ushort scent_character2; 179 ushort scent_character3; 180 ushort scent_character4; 181 ushort scent_character5; 182 ushort scent_character6; 183 ushort scent_character7; 184 ushort scent_character8; 185 ushort scent_rccm; 186 ushort scent_rccr; 187 } smc_cent_t; 188 189 /* Centronics Status Mask Register. 190 */ 191 #define SMC_CENT_F ((u_char)0x08) 192 #define SMC_CENT_PE ((u_char)0x04) 193 #define SMC_CENT_S ((u_char)0x02) 194 195 /* SMC Event and Mask register. 196 */ 197 #define SMCM_BRKE ((unsigned char)0x40) /* When in UART Mode */ 198 #define SMCM_BRK ((unsigned char)0x10) /* When in UART Mode */ 199 #define SMCM_TXE ((unsigned char)0x10) /* When in Transparent Mode */ 200 #define SMCM_BSY ((unsigned char)0x04) 201 #define SMCM_TX ((unsigned char)0x02) 202 #define SMCM_RX ((unsigned char)0x01) 203 204 /* Baud rate generators. 205 */ 206 #define CPM_BRG_RST ((uint)0x00020000) 207 #define CPM_BRG_EN ((uint)0x00010000) 208 #define CPM_BRG_EXTC_INT ((uint)0x00000000) 209 #define CPM_BRG_EXTC_CLK2 ((uint)0x00004000) 210 #define CPM_BRG_EXTC_CLK6 ((uint)0x00008000) 211 #define CPM_BRG_ATB ((uint)0x00002000) 212 #define CPM_BRG_CD_MASK ((uint)0x00001ffe) 213 #define CPM_BRG_DIV16 ((uint)0x00000001) 214 215 /* SI Clock Route Register 216 */ 217 #define SICR_RCLK_SCC1_BRG1 ((uint)0x00000000) 218 #define SICR_TCLK_SCC1_BRG1 ((uint)0x00000000) 219 #define SICR_RCLK_SCC2_BRG2 ((uint)0x00000800) 220 #define SICR_TCLK_SCC2_BRG2 ((uint)0x00000100) 221 #define SICR_RCLK_SCC3_BRG3 ((uint)0x00100000) 222 #define SICR_TCLK_SCC3_BRG3 ((uint)0x00020000) 223 #define SICR_RCLK_SCC4_BRG4 ((uint)0x18000000) 224 #define SICR_TCLK_SCC4_BRG4 ((uint)0x03000000) 225 226 /* SCCs. 227 */ 228 #define SCC_GSMRH_IRP ((uint)0x00040000) 229 #define SCC_GSMRH_GDE ((uint)0x00010000) 230 #define SCC_GSMRH_TCRC_CCITT ((uint)0x00008000) 231 #define SCC_GSMRH_TCRC_BISYNC ((uint)0x00004000) 232 #define SCC_GSMRH_TCRC_HDLC ((uint)0x00000000) 233 #define SCC_GSMRH_REVD ((uint)0x00002000) 234 #define SCC_GSMRH_TRX ((uint)0x00001000) 235 #define SCC_GSMRH_TTX ((uint)0x00000800) 236 #define SCC_GSMRH_CDP ((uint)0x00000400) 237 #define SCC_GSMRH_CTSP ((uint)0x00000200) 238 #define SCC_GSMRH_CDS ((uint)0x00000100) 239 #define SCC_GSMRH_CTSS ((uint)0x00000080) 240 #define SCC_GSMRH_TFL ((uint)0x00000040) 241 #define SCC_GSMRH_RFW ((uint)0x00000020) 242 #define SCC_GSMRH_TXSY ((uint)0x00000010) 243 #define SCC_GSMRH_SYNL16 ((uint)0x0000000c) 244 #define SCC_GSMRH_SYNL8 ((uint)0x00000008) 245 #define SCC_GSMRH_SYNL4 ((uint)0x00000004) 246 #define SCC_GSMRH_RTSM ((uint)0x00000002) 247 #define SCC_GSMRH_RSYN ((uint)0x00000001) 248 249 #define SCC_GSMRL_SIR ((uint)0x80000000) /* SCC2 only */ 250 #define SCC_GSMRL_EDGE_NONE ((uint)0x60000000) 251 #define SCC_GSMRL_EDGE_NEG ((uint)0x40000000) 252 #define SCC_GSMRL_EDGE_POS ((uint)0x20000000) 253 #define SCC_GSMRL_EDGE_BOTH ((uint)0x00000000) 254 #define SCC_GSMRL_TCI ((uint)0x10000000) 255 #define SCC_GSMRL_TSNC_3 ((uint)0x0c000000) 256 #define SCC_GSMRL_TSNC_4 ((uint)0x08000000) 257 #define SCC_GSMRL_TSNC_14 ((uint)0x04000000) 258 #define SCC_GSMRL_TSNC_INF ((uint)0x00000000) 259 #define SCC_GSMRL_RINV ((uint)0x02000000) 260 #define SCC_GSMRL_TINV ((uint)0x01000000) 261 #define SCC_GSMRL_TPL_128 ((uint)0x00c00000) 262 #define SCC_GSMRL_TPL_64 ((uint)0x00a00000) 263 #define SCC_GSMRL_TPL_48 ((uint)0x00800000) 264 #define SCC_GSMRL_TPL_32 ((uint)0x00600000) 265 #define SCC_GSMRL_TPL_16 ((uint)0x00400000) 266 #define SCC_GSMRL_TPL_8 ((uint)0x00200000) 267 #define SCC_GSMRL_TPL_NONE ((uint)0x00000000) 268 #define SCC_GSMRL_TPP_ALL1 ((uint)0x00180000) 269 #define SCC_GSMRL_TPP_01 ((uint)0x00100000) 270 #define SCC_GSMRL_TPP_10 ((uint)0x00080000) 271 #define SCC_GSMRL_TPP_ZEROS ((uint)0x00000000) 272 #define SCC_GSMRL_TEND ((uint)0x00040000) 273 #define SCC_GSMRL_TDCR_32 ((uint)0x00030000) 274 #define SCC_GSMRL_TDCR_16 ((uint)0x00020000) 275 #define SCC_GSMRL_TDCR_8 ((uint)0x00010000) 276 #define SCC_GSMRL_TDCR_1 ((uint)0x00000000) 277 #define SCC_GSMRL_RDCR_32 ((uint)0x0000c000) 278 #define SCC_GSMRL_RDCR_16 ((uint)0x00008000) 279 #define SCC_GSMRL_RDCR_8 ((uint)0x00004000) 280 #define SCC_GSMRL_RDCR_1 ((uint)0x00000000) 281 #define SCC_GSMRL_RENC_DFMAN ((uint)0x00003000) 282 #define SCC_GSMRL_RENC_MANCH ((uint)0x00002000) 283 #define SCC_GSMRL_RENC_FM0 ((uint)0x00001000) 284 #define SCC_GSMRL_RENC_NRZI ((uint)0x00000800) 285 #define SCC_GSMRL_RENC_NRZ ((uint)0x00000000) 286 #define SCC_GSMRL_TENC_DFMAN ((uint)0x00000600) 287 #define SCC_GSMRL_TENC_MANCH ((uint)0x00000400) 288 #define SCC_GSMRL_TENC_FM0 ((uint)0x00000200) 289 #define SCC_GSMRL_TENC_NRZI ((uint)0x00000100) 290 #define SCC_GSMRL_TENC_NRZ ((uint)0x00000000) 291 #define SCC_GSMRL_DIAG_LE ((uint)0x000000c0) /* Loop and echo */ 292 #define SCC_GSMRL_DIAG_ECHO ((uint)0x00000080) 293 #define SCC_GSMRL_DIAG_LOOP ((uint)0x00000040) 294 #define SCC_GSMRL_DIAG_NORM ((uint)0x00000000) 295 #define SCC_GSMRL_ENR ((uint)0x00000020) 296 #define SCC_GSMRL_ENT ((uint)0x00000010) 297 #define SCC_GSMRL_MODE_ENET ((uint)0x0000000c) 298 #define SCC_GSMRL_MODE_DDCMP ((uint)0x00000009) 299 #define SCC_GSMRL_MODE_BISYNC ((uint)0x00000008) 300 #define SCC_GSMRL_MODE_V14 ((uint)0x00000007) 301 #define SCC_GSMRL_MODE_AHDLC ((uint)0x00000006) 302 #define SCC_GSMRL_MODE_PROFIBUS ((uint)0x00000005) 303 #define SCC_GSMRL_MODE_UART ((uint)0x00000004) 304 #define SCC_GSMRL_MODE_SS7 ((uint)0x00000003) 305 #define SCC_GSMRL_MODE_ATALK ((uint)0x00000002) 306 #define SCC_GSMRL_MODE_HDLC ((uint)0x00000000) 307 308 #define SCC_TODR_TOD ((ushort)0x8000) 309 310 /* SCC Event and Mask register. 311 */ 312 #define SCCM_TXE ((unsigned char)0x10) 313 #define SCCM_BSY ((unsigned char)0x04) 314 #define SCCM_TX ((unsigned char)0x02) 315 #define SCCM_RX ((unsigned char)0x01) 316 317 typedef struct scc_param { 318 ushort scc_rbase; /* Rx Buffer descriptor base address */ 319 ushort scc_tbase; /* Tx Buffer descriptor base address */ 320 u_char scc_rfcr; /* Rx function code */ 321 u_char scc_tfcr; /* Tx function code */ 322 ushort scc_mrblr; /* Max receive buffer length */ 323 uint scc_rstate; /* Internal */ 324 uint scc_idp; /* Internal */ 325 ushort scc_rbptr; /* Internal */ 326 ushort scc_ibc; /* Internal */ 327 uint scc_rxtmp; /* Internal */ 328 uint scc_tstate; /* Internal */ 329 uint scc_tdp; /* Internal */ 330 ushort scc_tbptr; /* Internal */ 331 ushort scc_tbc; /* Internal */ 332 uint scc_txtmp; /* Internal */ 333 uint scc_rcrc; /* Internal */ 334 uint scc_tcrc; /* Internal */ 335 } sccp_t; 336 337 /* Function code bits. 338 */ 339 #define SCC_EB ((u_char)0x10) /* Set big endian byte order */ 340 341 /* CPM Ethernet through SCCx. 342 */ 343 typedef struct scc_enet { 344 sccp_t sen_genscc; 345 uint sen_cpres; /* Preset CRC */ 346 uint sen_cmask; /* Constant mask for CRC */ 347 uint sen_crcec; /* CRC Error counter */ 348 uint sen_alec; /* alignment error counter */ 349 uint sen_disfc; /* discard frame counter */ 350 ushort sen_pads; /* Tx short frame pad character */ 351 ushort sen_retlim; /* Retry limit threshold */ 352 ushort sen_retcnt; /* Retry limit counter */ 353 ushort sen_maxflr; /* maximum frame length register */ 354 ushort sen_minflr; /* minimum frame length register */ 355 ushort sen_maxd1; /* maximum DMA1 length */ 356 ushort sen_maxd2; /* maximum DMA2 length */ 357 ushort sen_maxd; /* Rx max DMA */ 358 ushort sen_dmacnt; /* Rx DMA counter */ 359 ushort sen_maxb; /* Max BD byte count */ 360 ushort sen_gaddr1; /* Group address filter */ 361 ushort sen_gaddr2; 362 ushort sen_gaddr3; 363 ushort sen_gaddr4; 364 uint sen_tbuf0data0; /* Save area 0 - current frame */ 365 uint sen_tbuf0data1; /* Save area 1 - current frame */ 366 uint sen_tbuf0rba; /* Internal */ 367 uint sen_tbuf0crc; /* Internal */ 368 ushort sen_tbuf0bcnt; /* Internal */ 369 ushort sen_paddrh; /* physical address (MSB) */ 370 ushort sen_paddrm; 371 ushort sen_paddrl; /* physical address (LSB) */ 372 ushort sen_pper; /* persistence */ 373 ushort sen_rfbdptr; /* Rx first BD pointer */ 374 ushort sen_tfbdptr; /* Tx first BD pointer */ 375 ushort sen_tlbdptr; /* Tx last BD pointer */ 376 uint sen_tbuf1data0; /* Save area 0 - current frame */ 377 uint sen_tbuf1data1; /* Save area 1 - current frame */ 378 uint sen_tbuf1rba; /* Internal */ 379 uint sen_tbuf1crc; /* Internal */ 380 ushort sen_tbuf1bcnt; /* Internal */ 381 ushort sen_txlen; /* Tx Frame length counter */ 382 ushort sen_iaddr1; /* Individual address filter */ 383 ushort sen_iaddr2; 384 ushort sen_iaddr3; 385 ushort sen_iaddr4; 386 ushort sen_boffcnt; /* Backoff counter */ 387 388 /* NOTE: Some versions of the manual have the following items 389 * incorrectly documented. Below is the proper order. 390 */ 391 ushort sen_taddrh; /* temp address (MSB) */ 392 ushort sen_taddrm; 393 ushort sen_taddrl; /* temp address (LSB) */ 394 } scc_enet_t; 395 396 /*********************************************************************/ 397 398 /* SCC Event register as used by Ethernet. 399 */ 400 #define SCCE_ENET_GRA ((ushort)0x0080) /* Graceful stop complete */ 401 #define SCCE_ENET_TXE ((ushort)0x0010) /* Transmit Error */ 402 #define SCCE_ENET_RXF ((ushort)0x0008) /* Full frame received */ 403 #define SCCE_ENET_BSY ((ushort)0x0004) /* All incoming buffers full */ 404 #define SCCE_ENET_TXB ((ushort)0x0002) /* A buffer was transmitted */ 405 #define SCCE_ENET_RXB ((ushort)0x0001) /* A buffer was received */ 406 407 /* SCC Mode Register (PSMR) as used by Ethernet. 408 */ 409 #define SCC_PSMR_HBC ((ushort)0x8000) /* Enable heartbeat */ 410 #define SCC_PSMR_FC ((ushort)0x4000) /* Force collision */ 411 #define SCC_PSMR_RSH ((ushort)0x2000) /* Receive short frames */ 412 #define SCC_PSMR_IAM ((ushort)0x1000) /* Check individual hash */ 413 #define SCC_PSMR_ENCRC ((ushort)0x0800) /* Ethernet CRC mode */ 414 #define SCC_PSMR_PRO ((ushort)0x0200) /* Promiscuous mode */ 415 #define SCC_PSMR_BRO ((ushort)0x0100) /* Catch broadcast pkts */ 416 #define SCC_PSMR_SBT ((ushort)0x0080) /* Special backoff timer */ 417 #define SCC_PSMR_LPB ((ushort)0x0040) /* Set Loopback mode */ 418 #define SCC_PSMR_SIP ((ushort)0x0020) /* Sample Input Pins */ 419 #define SCC_PSMR_LCW ((ushort)0x0010) /* Late collision window */ 420 #define SCC_PSMR_NIB22 ((ushort)0x000a) /* Start frame search */ 421 #define SCC_PSMR_FDE ((ushort)0x0001) /* Full duplex enable */ 422 423 /* Buffer descriptor control/status used by Ethernet receive. 424 */ 425 #define BD_ENET_RX_EMPTY ((ushort)0x8000) 426 #define BD_ENET_RX_WRAP ((ushort)0x2000) 427 #define BD_ENET_RX_INTR ((ushort)0x1000) 428 #define BD_ENET_RX_LAST ((ushort)0x0800) 429 #define BD_ENET_RX_FIRST ((ushort)0x0400) 430 #define BD_ENET_RX_MISS ((ushort)0x0100) 431 #define BD_ENET_RX_LG ((ushort)0x0020) 432 #define BD_ENET_RX_NO ((ushort)0x0010) 433 #define BD_ENET_RX_SH ((ushort)0x0008) 434 #define BD_ENET_RX_CR ((ushort)0x0004) 435 #define BD_ENET_RX_OV ((ushort)0x0002) 436 #define BD_ENET_RX_CL ((ushort)0x0001) 437 #define BD_ENET_RX_STATS ((ushort)0x013f) /* All status bits */ 438 439 /* Buffer descriptor control/status used by Ethernet transmit. 440 */ 441 #define BD_ENET_TX_READY ((ushort)0x8000) 442 #define BD_ENET_TX_PAD ((ushort)0x4000) 443 #define BD_ENET_TX_WRAP ((ushort)0x2000) 444 #define BD_ENET_TX_INTR ((ushort)0x1000) 445 #define BD_ENET_TX_LAST ((ushort)0x0800) 446 #define BD_ENET_TX_TC ((ushort)0x0400) 447 #define BD_ENET_TX_DEF ((ushort)0x0200) 448 #define BD_ENET_TX_HB ((ushort)0x0100) 449 #define BD_ENET_TX_LC ((ushort)0x0080) 450 #define BD_ENET_TX_RL ((ushort)0x0040) 451 #define BD_ENET_TX_RCMASK ((ushort)0x003c) 452 #define BD_ENET_TX_UN ((ushort)0x0002) 453 #define BD_ENET_TX_CSL ((ushort)0x0001) 454 #define BD_ENET_TX_STATS ((ushort)0x03ff) /* All status bits */ 455 456 /* SCC as UART 457 */ 458 typedef struct scc_uart { 459 sccp_t scc_genscc; 460 uint scc_res1; /* Reserved */ 461 uint scc_res2; /* Reserved */ 462 ushort scc_maxidl; /* Maximum idle chars */ 463 ushort scc_idlc; /* temp idle counter */ 464 ushort scc_brkcr; /* Break count register */ 465 ushort scc_parec; /* receive parity error counter */ 466 ushort scc_frmec; /* receive framing error counter */ 467 ushort scc_nosec; /* receive noise counter */ 468 ushort scc_brkec; /* receive break condition counter */ 469 ushort scc_brkln; /* last received break length */ 470 ushort scc_uaddr1; /* UART address character 1 */ 471 ushort scc_uaddr2; /* UART address character 2 */ 472 ushort scc_rtemp; /* Temp storage */ 473 ushort scc_toseq; /* Transmit out of sequence char */ 474 ushort scc_char1; /* control character 1 */ 475 ushort scc_char2; /* control character 2 */ 476 ushort scc_char3; /* control character 3 */ 477 ushort scc_char4; /* control character 4 */ 478 ushort scc_char5; /* control character 5 */ 479 ushort scc_char6; /* control character 6 */ 480 ushort scc_char7; /* control character 7 */ 481 ushort scc_char8; /* control character 8 */ 482 ushort scc_rccm; /* receive control character mask */ 483 ushort scc_rccr; /* receive control character register */ 484 ushort scc_rlbc; /* receive last break character */ 485 } scc_uart_t; 486 487 /* SCC Event and Mask registers when it is used as a UART. 488 */ 489 #define UART_SCCM_GLR ((ushort)0x1000) 490 #define UART_SCCM_GLT ((ushort)0x0800) 491 #define UART_SCCM_AB ((ushort)0x0200) 492 #define UART_SCCM_IDL ((ushort)0x0100) 493 #define UART_SCCM_GRA ((ushort)0x0080) 494 #define UART_SCCM_BRKE ((ushort)0x0040) 495 #define UART_SCCM_BRKS ((ushort)0x0020) 496 #define UART_SCCM_CCR ((ushort)0x0008) 497 #define UART_SCCM_BSY ((ushort)0x0004) 498 #define UART_SCCM_TX ((ushort)0x0002) 499 #define UART_SCCM_RX ((ushort)0x0001) 500 501 /* The SCC PSMR when used as a UART. 502 */ 503 #define SCU_PSMR_FLC ((ushort)0x8000) 504 #define SCU_PSMR_SL ((ushort)0x4000) 505 #define SCU_PSMR_CL ((ushort)0x3000) 506 #define SCU_PSMR_UM ((ushort)0x0c00) 507 #define SCU_PSMR_FRZ ((ushort)0x0200) 508 #define SCU_PSMR_RZS ((ushort)0x0100) 509 #define SCU_PSMR_SYN ((ushort)0x0080) 510 #define SCU_PSMR_DRT ((ushort)0x0040) 511 #define SCU_PSMR_PEN ((ushort)0x0010) 512 #define SCU_PSMR_RPM ((ushort)0x000c) 513 #define SCU_PSMR_REVP ((ushort)0x0008) 514 #define SCU_PSMR_TPM ((ushort)0x0003) 515 #define SCU_PSMR_TEVP ((ushort)0x0003) 516 517 /* CPM Transparent mode SCC. 518 */ 519 typedef struct scc_trans { 520 sccp_t st_genscc; 521 uint st_cpres; /* Preset CRC */ 522 uint st_cmask; /* Constant mask for CRC */ 523 } scc_trans_t; 524 525 #define BD_SCC_TX_LAST ((ushort)0x0800) 526 527 /* IIC parameter RAM. 528 */ 529 typedef struct iic { 530 ushort iic_rbase; /* Rx Buffer descriptor base address */ 531 ushort iic_tbase; /* Tx Buffer descriptor base address */ 532 u_char iic_rfcr; /* Rx function code */ 533 u_char iic_tfcr; /* Tx function code */ 534 ushort iic_mrblr; /* Max receive buffer length */ 535 uint iic_rstate; /* Internal */ 536 uint iic_rdp; /* Internal */ 537 ushort iic_rbptr; /* Internal */ 538 ushort iic_rbc; /* Internal */ 539 uint iic_rxtmp; /* Internal */ 540 uint iic_tstate; /* Internal */ 541 uint iic_tdp; /* Internal */ 542 ushort iic_tbptr; /* Internal */ 543 ushort iic_tbc; /* Internal */ 544 uint iic_txtmp; /* Internal */ 545 uint iic_res; /* reserved */ 546 ushort iic_rpbase; /* Relocation pointer */ 547 ushort iic_res2; /* reserved */ 548 } iic_t; 549 550 /* SPI parameter RAM. 551 */ 552 typedef struct spi { 553 ushort spi_rbase; /* Rx Buffer descriptor base address */ 554 ushort spi_tbase; /* Tx Buffer descriptor base address */ 555 u_char spi_rfcr; /* Rx function code */ 556 u_char spi_tfcr; /* Tx function code */ 557 ushort spi_mrblr; /* Max receive buffer length */ 558 uint spi_rstate; /* Internal */ 559 uint spi_rdp; /* Internal */ 560 ushort spi_rbptr; /* Internal */ 561 ushort spi_rbc; /* Internal */ 562 uint spi_rxtmp; /* Internal */ 563 uint spi_tstate; /* Internal */ 564 uint spi_tdp; /* Internal */ 565 ushort spi_tbptr; /* Internal */ 566 ushort spi_tbc; /* Internal */ 567 uint spi_txtmp; /* Internal */ 568 uint spi_res; 569 ushort spi_rpbase; /* Relocation pointer */ 570 ushort spi_res2; 571 } spi_t; 572 573 /* SPI Mode register. 574 */ 575 #define SPMODE_LOOP ((ushort)0x4000) /* Loopback */ 576 #define SPMODE_CI ((ushort)0x2000) /* Clock Invert */ 577 #define SPMODE_CP ((ushort)0x1000) /* Clock Phase */ 578 #define SPMODE_DIV16 ((ushort)0x0800) /* BRG/16 mode */ 579 #define SPMODE_REV ((ushort)0x0400) /* Reversed Data */ 580 #define SPMODE_MSTR ((ushort)0x0200) /* SPI Master */ 581 #define SPMODE_EN ((ushort)0x0100) /* Enable */ 582 #define SPMODE_LENMSK ((ushort)0x00f0) /* character length */ 583 #define SPMODE_PMMSK ((ushort)0x000f) /* prescale modulus */ 584 585 #define SPMODE_LEN(x) ((((x) - 1) & 0xF) << 4) 586 #define SPMODE_PM(x) ((x) & 0xF) 587 588 /* HDLC parameter RAM. 589 */ 590 591 typedef struct hdlc_pram_s { 592 /* 593 * SCC parameter RAM 594 */ 595 ushort rbase; /* Rx Buffer descriptor base address */ 596 ushort tbase; /* Tx Buffer descriptor base address */ 597 uchar rfcr; /* Rx function code */ 598 uchar tfcr; /* Tx function code */ 599 ushort mrblr; /* Rx buffer length */ 600 ulong rstate; /* Rx internal state */ 601 ulong rptr; /* Rx internal data pointer */ 602 ushort rbptr; /* rb BD Pointer */ 603 ushort rcount; /* Rx internal byte count */ 604 ulong rtemp; /* Rx temp */ 605 ulong tstate; /* Tx internal state */ 606 ulong tptr; /* Tx internal data pointer */ 607 ushort tbptr; /* Tx BD pointer */ 608 ushort tcount; /* Tx byte count */ 609 ulong ttemp; /* Tx temp */ 610 ulong rcrc; /* temp receive CRC */ 611 ulong tcrc; /* temp transmit CRC */ 612 /* 613 * HDLC specific parameter RAM 614 */ 615 uchar res[4]; /* reserved */ 616 ulong c_mask; /* CRC constant */ 617 ulong c_pres; /* CRC preset */ 618 ushort disfc; /* discarded frame counter */ 619 ushort crcec; /* CRC error counter */ 620 ushort abtsc; /* abort sequence counter */ 621 ushort nmarc; /* nonmatching address rx cnt */ 622 ushort retrc; /* frame retransmission cnt */ 623 ushort mflr; /* maximum frame length reg */ 624 ushort max_cnt; /* maximum length counter */ 625 ushort rfthr; /* received frames threshold */ 626 ushort rfcnt; /* received frames count */ 627 ushort hmask; /* user defined frm addr mask */ 628 ushort haddr1; /* user defined frm address 1 */ 629 ushort haddr2; /* user defined frm address 2 */ 630 ushort haddr3; /* user defined frm address 3 */ 631 ushort haddr4; /* user defined frm address 4 */ 632 ushort tmp; /* temp */ 633 ushort tmp_mb; /* temp */ 634 } hdlc_pram_t; 635 636 /* CPM interrupts. There are nearly 32 interrupts generated by CPM 637 * channels or devices. All of these are presented to the PPC core 638 * as a single interrupt. The CPM interrupt handler dispatches its 639 * own handlers, in a similar fashion to the PPC core handler. We 640 * use the table as defined in the manuals (i.e. no special high 641 * priority and SCC1 == SCCa, etc...). 642 */ 643 #define CPMVEC_NR 32 644 #define CPMVEC_OFFSET 0x00010000 645 #define CPMVEC_PIO_PC15 ((ushort)0x1f | CPMVEC_OFFSET) 646 #define CPMVEC_SCC1 ((ushort)0x1e | CPMVEC_OFFSET) 647 #define CPMVEC_SCC2 ((ushort)0x1d | CPMVEC_OFFSET) 648 #define CPMVEC_SCC3 ((ushort)0x1c | CPMVEC_OFFSET) 649 #define CPMVEC_SCC4 ((ushort)0x1b | CPMVEC_OFFSET) 650 #define CPMVEC_PIO_PC14 ((ushort)0x1a | CPMVEC_OFFSET) 651 #define CPMVEC_TIMER1 ((ushort)0x19 | CPMVEC_OFFSET) 652 #define CPMVEC_PIO_PC13 ((ushort)0x18 | CPMVEC_OFFSET) 653 #define CPMVEC_PIO_PC12 ((ushort)0x17 | CPMVEC_OFFSET) 654 #define CPMVEC_SDMA_CB_ERR ((ushort)0x16 | CPMVEC_OFFSET) 655 #define CPMVEC_IDMA1 ((ushort)0x15 | CPMVEC_OFFSET) 656 #define CPMVEC_IDMA2 ((ushort)0x14 | CPMVEC_OFFSET) 657 #define CPMVEC_TIMER2 ((ushort)0x12 | CPMVEC_OFFSET) 658 #define CPMVEC_RISCTIMER ((ushort)0x11 | CPMVEC_OFFSET) 659 #define CPMVEC_I2C ((ushort)0x10 | CPMVEC_OFFSET) 660 #define CPMVEC_PIO_PC11 ((ushort)0x0f | CPMVEC_OFFSET) 661 #define CPMVEC_PIO_PC10 ((ushort)0x0e | CPMVEC_OFFSET) 662 #define CPMVEC_TIMER3 ((ushort)0x0c | CPMVEC_OFFSET) 663 #define CPMVEC_PIO_PC9 ((ushort)0x0b | CPMVEC_OFFSET) 664 #define CPMVEC_PIO_PC8 ((ushort)0x0a | CPMVEC_OFFSET) 665 #define CPMVEC_PIO_PC7 ((ushort)0x09 | CPMVEC_OFFSET) 666 #define CPMVEC_TIMER4 ((ushort)0x07 | CPMVEC_OFFSET) 667 #define CPMVEC_PIO_PC6 ((ushort)0x06 | CPMVEC_OFFSET) 668 #define CPMVEC_SPI ((ushort)0x05 | CPMVEC_OFFSET) 669 #define CPMVEC_SMC1 ((ushort)0x04 | CPMVEC_OFFSET) 670 #define CPMVEC_SMC2 ((ushort)0x03 | CPMVEC_OFFSET) 671 #define CPMVEC_PIO_PC5 ((ushort)0x02 | CPMVEC_OFFSET) 672 #define CPMVEC_PIO_PC4 ((ushort)0x01 | CPMVEC_OFFSET) 673 #define CPMVEC_ERROR ((ushort)0x00 | CPMVEC_OFFSET) 674 675 void irq_install_handler(int vec, void (*handler)(void *), void *dev_id); 676 677 /* CPM interrupt configuration vector. 678 */ 679 #define CICR_SCD_SCC4 ((uint)0x00c00000) /* SCC4 @ SCCd */ 680 #define CICR_SCC_SCC3 ((uint)0x00200000) /* SCC3 @ SCCc */ 681 #define CICR_SCB_SCC2 ((uint)0x00040000) /* SCC2 @ SCCb */ 682 #define CICR_SCA_SCC1 ((uint)0x00000000) /* SCC1 @ SCCa */ 683 #define CICR_IRL_MASK ((uint)0x0000e000) /* Core interrupt */ 684 #define CICR_HP_MASK ((uint)0x00001f00) /* Hi-pri int. */ 685 #define CICR_IEN ((uint)0x00000080) /* Int. enable */ 686 #define CICR_SPS ((uint)0x00000001) /* SCC Spread */ 687 #endif /* __CPM_8XX__ */ 688