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 * throught 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/8xx_immap.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 55 /* The dual ported RAM is multi-functional. Some areas can be (and are 56 * being) used for microcode. There is an area that can only be used 57 * as data ram for buffer descriptors, which is all we use right now. 58 * Currently the first 512 and last 256 bytes are used for microcode. 59 */ 60 #ifdef CONFIG_SYS_ALLOC_DPRAM 61 62 #define CPM_DATAONLY_BASE ((uint)0x0800) 63 #define CPM_DATAONLY_SIZE ((uint)0x0700) 64 #define CPM_DP_NOSPACE ((uint)0x7fffffff) 65 66 #else 67 68 #define CPM_SERIAL_BASE 0x0800 69 #define CPM_I2C_BASE 0x0820 70 #define CPM_SPI_BASE 0x0840 71 #define CPM_FEC_BASE 0x0860 72 #define CPM_SERIAL2_BASE 0x08E0 73 #define CPM_SCC_BASE 0x0900 74 #define CPM_POST_BASE 0x0980 75 #define CPM_WLKBD_BASE 0x0a00 76 77 #endif 78 79 #ifndef CONFIG_SYS_CPM_POST_WORD_ADDR 80 #define CPM_POST_WORD_ADDR 0x07FC 81 #else 82 #define CPM_POST_WORD_ADDR CONFIG_SYS_CPM_POST_WORD_ADDR 83 #endif 84 85 #ifndef CONFIG_SYS_CPM_BOOTCOUNT_ADDR 86 #define CPM_BOOTCOUNT_ADDR (CPM_POST_WORD_ADDR - 2*sizeof(ulong)) 87 #else 88 #define CPM_BOOTCOUNT_ADDR CONFIG_SYS_CPM_BOOTCOUNT_ADDR 89 #endif 90 91 #define BD_IIC_START ((uint) 0x0400) /* <- please use CPM_I2C_BASE !! */ 92 93 /* Export the base address of the communication processor registers 94 * and dual port ram. 95 */ 96 extern cpm8xx_t *cpmp; /* Pointer to comm processor */ 97 98 /* Buffer descriptors used by many of the CPM protocols. 99 */ 100 typedef struct cpm_buf_desc { 101 ushort cbd_sc; /* Status and Control */ 102 ushort cbd_datlen; /* Data length in buffer */ 103 uint cbd_bufaddr; /* Buffer address in host memory */ 104 } cbd_t; 105 106 #define BD_SC_EMPTY ((ushort)0x8000) /* Receive is empty */ 107 #define BD_SC_READY ((ushort)0x8000) /* Transmit is ready */ 108 #define BD_SC_WRAP ((ushort)0x2000) /* Last buffer descriptor */ 109 #define BD_SC_INTRPT ((ushort)0x1000) /* Interrupt on change */ 110 #define BD_SC_LAST ((ushort)0x0800) /* Last buffer in frame */ 111 #define BD_SC_TC ((ushort)0x0400) /* Transmit CRC */ 112 #define BD_SC_CM ((ushort)0x0200) /* Continous mode */ 113 #define BD_SC_ID ((ushort)0x0100) /* Rec'd too many idles */ 114 #define BD_SC_P ((ushort)0x0100) /* xmt preamble */ 115 #define BD_SC_BR ((ushort)0x0020) /* Break received */ 116 #define BD_SC_FR ((ushort)0x0010) /* Framing error */ 117 #define BD_SC_PR ((ushort)0x0008) /* Parity error */ 118 #define BD_SC_OV ((ushort)0x0002) /* Overrun */ 119 #define BD_SC_CD ((ushort)0x0001) /* Carrier Detect lost */ 120 121 /* Parameter RAM offsets. 122 */ 123 #define PROFF_SCC1 ((uint)0x0000) 124 #define PROFF_IIC ((uint)0x0080) 125 #define PROFF_REVNUM ((uint)0x00b0) 126 #define PROFF_SCC2 ((uint)0x0100) 127 #define PROFF_SPI ((uint)0x0180) 128 #define PROFF_SCC3 ((uint)0x0200) 129 #define PROFF_SMC1 ((uint)0x0280) 130 #define PROFF_SCC4 ((uint)0x0300) 131 #define PROFF_SMC2 ((uint)0x0380) 132 133 /* Define enough so I can at least use the serial port as a UART. 134 */ 135 typedef struct smc_uart { 136 ushort smc_rbase; /* Rx Buffer descriptor base address */ 137 ushort smc_tbase; /* Tx Buffer descriptor base address */ 138 u_char smc_rfcr; /* Rx function code */ 139 u_char smc_tfcr; /* Tx function code */ 140 ushort smc_mrblr; /* Max receive buffer length */ 141 uint smc_rstate; /* Internal */ 142 uint smc_idp; /* Internal */ 143 ushort smc_rbptr; /* Internal */ 144 ushort smc_ibc; /* Internal */ 145 uint smc_rxtmp; /* Internal */ 146 uint smc_tstate; /* Internal */ 147 uint smc_tdp; /* Internal */ 148 ushort smc_tbptr; /* Internal */ 149 ushort smc_tbc; /* Internal */ 150 uint smc_txtmp; /* Internal */ 151 ushort smc_maxidl; /* Maximum idle characters */ 152 ushort smc_tmpidl; /* Temporary idle counter */ 153 ushort smc_brklen; /* Last received break length */ 154 ushort smc_brkec; /* rcv'd break condition counter */ 155 ushort smc_brkcr; /* xmt break count register */ 156 ushort smc_rmask; /* Temporary bit mask */ 157 u_char res1[8]; 158 ushort smc_rpbase; /* Relocation pointer */ 159 } smc_uart_t; 160 161 /* Function code bits. 162 */ 163 #define SMC_EB ((u_char)0x10) /* Set big endian byte order */ 164 165 /* SMC uart mode register. 166 */ 167 #define SMCMR_REN ((ushort)0x0001) 168 #define SMCMR_TEN ((ushort)0x0002) 169 #define SMCMR_DM ((ushort)0x000c) 170 #define SMCMR_SM_GCI ((ushort)0x0000) 171 #define SMCMR_SM_UART ((ushort)0x0020) 172 #define SMCMR_SM_TRANS ((ushort)0x0030) 173 #define SMCMR_SM_MASK ((ushort)0x0030) 174 #define SMCMR_PM_EVEN ((ushort)0x0100) /* Even parity, else odd */ 175 #define SMCMR_REVD SMCMR_PM_EVEN 176 #define SMCMR_PEN ((ushort)0x0200) /* Parity enable */ 177 #define SMCMR_BS SMCMR_PEN 178 #define SMCMR_SL ((ushort)0x0400) /* Two stops, else one */ 179 #define SMCR_CLEN_MASK ((ushort)0x7800) /* Character length */ 180 #define smcr_mk_clen(C) (((C) << 11) & SMCR_CLEN_MASK) 181 182 /* SMC2 as Centronics parallel printer. It is half duplex, in that 183 * it can only receive or transmit. The parameter ram values for 184 * each direction are either unique or properly overlap, so we can 185 * include them in one structure. 186 */ 187 typedef struct smc_centronics { 188 ushort scent_rbase; 189 ushort scent_tbase; 190 u_char scent_cfcr; 191 u_char scent_smask; 192 ushort scent_mrblr; 193 uint scent_rstate; 194 uint scent_r_ptr; 195 ushort scent_rbptr; 196 ushort scent_r_cnt; 197 uint scent_rtemp; 198 uint scent_tstate; 199 uint scent_t_ptr; 200 ushort scent_tbptr; 201 ushort scent_t_cnt; 202 uint scent_ttemp; 203 ushort scent_max_sl; 204 ushort scent_sl_cnt; 205 ushort scent_character1; 206 ushort scent_character2; 207 ushort scent_character3; 208 ushort scent_character4; 209 ushort scent_character5; 210 ushort scent_character6; 211 ushort scent_character7; 212 ushort scent_character8; 213 ushort scent_rccm; 214 ushort scent_rccr; 215 } smc_cent_t; 216 217 /* Centronics Status Mask Register. 218 */ 219 #define SMC_CENT_F ((u_char)0x08) 220 #define SMC_CENT_PE ((u_char)0x04) 221 #define SMC_CENT_S ((u_char)0x02) 222 223 /* SMC Event and Mask register. 224 */ 225 #define SMCM_BRKE ((unsigned char)0x40) /* When in UART Mode */ 226 #define SMCM_BRK ((unsigned char)0x10) /* When in UART Mode */ 227 #define SMCM_TXE ((unsigned char)0x10) /* When in Transparent Mode */ 228 #define SMCM_BSY ((unsigned char)0x04) 229 #define SMCM_TX ((unsigned char)0x02) 230 #define SMCM_RX ((unsigned char)0x01) 231 232 /* Baud rate generators. 233 */ 234 #define CPM_BRG_RST ((uint)0x00020000) 235 #define CPM_BRG_EN ((uint)0x00010000) 236 #define CPM_BRG_EXTC_INT ((uint)0x00000000) 237 #define CPM_BRG_EXTC_CLK2 ((uint)0x00004000) 238 #define CPM_BRG_EXTC_CLK6 ((uint)0x00008000) 239 #define CPM_BRG_ATB ((uint)0x00002000) 240 #define CPM_BRG_CD_MASK ((uint)0x00001ffe) 241 #define CPM_BRG_DIV16 ((uint)0x00000001) 242 243 /* SI Clock Route Register 244 */ 245 #define SICR_RCLK_SCC1_BRG1 ((uint)0x00000000) 246 #define SICR_TCLK_SCC1_BRG1 ((uint)0x00000000) 247 #define SICR_RCLK_SCC2_BRG2 ((uint)0x00000800) 248 #define SICR_TCLK_SCC2_BRG2 ((uint)0x00000100) 249 #define SICR_RCLK_SCC3_BRG3 ((uint)0x00100000) 250 #define SICR_TCLK_SCC3_BRG3 ((uint)0x00020000) 251 #define SICR_RCLK_SCC4_BRG4 ((uint)0x18000000) 252 #define SICR_TCLK_SCC4_BRG4 ((uint)0x03000000) 253 254 /* SCCs. 255 */ 256 #define SCC_GSMRH_IRP ((uint)0x00040000) 257 #define SCC_GSMRH_GDE ((uint)0x00010000) 258 #define SCC_GSMRH_TCRC_CCITT ((uint)0x00008000) 259 #define SCC_GSMRH_TCRC_BISYNC ((uint)0x00004000) 260 #define SCC_GSMRH_TCRC_HDLC ((uint)0x00000000) 261 #define SCC_GSMRH_REVD ((uint)0x00002000) 262 #define SCC_GSMRH_TRX ((uint)0x00001000) 263 #define SCC_GSMRH_TTX ((uint)0x00000800) 264 #define SCC_GSMRH_CDP ((uint)0x00000400) 265 #define SCC_GSMRH_CTSP ((uint)0x00000200) 266 #define SCC_GSMRH_CDS ((uint)0x00000100) 267 #define SCC_GSMRH_CTSS ((uint)0x00000080) 268 #define SCC_GSMRH_TFL ((uint)0x00000040) 269 #define SCC_GSMRH_RFW ((uint)0x00000020) 270 #define SCC_GSMRH_TXSY ((uint)0x00000010) 271 #define SCC_GSMRH_SYNL16 ((uint)0x0000000c) 272 #define SCC_GSMRH_SYNL8 ((uint)0x00000008) 273 #define SCC_GSMRH_SYNL4 ((uint)0x00000004) 274 #define SCC_GSMRH_RTSM ((uint)0x00000002) 275 #define SCC_GSMRH_RSYN ((uint)0x00000001) 276 277 #define SCC_GSMRL_SIR ((uint)0x80000000) /* SCC2 only */ 278 #define SCC_GSMRL_EDGE_NONE ((uint)0x60000000) 279 #define SCC_GSMRL_EDGE_NEG ((uint)0x40000000) 280 #define SCC_GSMRL_EDGE_POS ((uint)0x20000000) 281 #define SCC_GSMRL_EDGE_BOTH ((uint)0x00000000) 282 #define SCC_GSMRL_TCI ((uint)0x10000000) 283 #define SCC_GSMRL_TSNC_3 ((uint)0x0c000000) 284 #define SCC_GSMRL_TSNC_4 ((uint)0x08000000) 285 #define SCC_GSMRL_TSNC_14 ((uint)0x04000000) 286 #define SCC_GSMRL_TSNC_INF ((uint)0x00000000) 287 #define SCC_GSMRL_RINV ((uint)0x02000000) 288 #define SCC_GSMRL_TINV ((uint)0x01000000) 289 #define SCC_GSMRL_TPL_128 ((uint)0x00c00000) 290 #define SCC_GSMRL_TPL_64 ((uint)0x00a00000) 291 #define SCC_GSMRL_TPL_48 ((uint)0x00800000) 292 #define SCC_GSMRL_TPL_32 ((uint)0x00600000) 293 #define SCC_GSMRL_TPL_16 ((uint)0x00400000) 294 #define SCC_GSMRL_TPL_8 ((uint)0x00200000) 295 #define SCC_GSMRL_TPL_NONE ((uint)0x00000000) 296 #define SCC_GSMRL_TPP_ALL1 ((uint)0x00180000) 297 #define SCC_GSMRL_TPP_01 ((uint)0x00100000) 298 #define SCC_GSMRL_TPP_10 ((uint)0x00080000) 299 #define SCC_GSMRL_TPP_ZEROS ((uint)0x00000000) 300 #define SCC_GSMRL_TEND ((uint)0x00040000) 301 #define SCC_GSMRL_TDCR_32 ((uint)0x00030000) 302 #define SCC_GSMRL_TDCR_16 ((uint)0x00020000) 303 #define SCC_GSMRL_TDCR_8 ((uint)0x00010000) 304 #define SCC_GSMRL_TDCR_1 ((uint)0x00000000) 305 #define SCC_GSMRL_RDCR_32 ((uint)0x0000c000) 306 #define SCC_GSMRL_RDCR_16 ((uint)0x00008000) 307 #define SCC_GSMRL_RDCR_8 ((uint)0x00004000) 308 #define SCC_GSMRL_RDCR_1 ((uint)0x00000000) 309 #define SCC_GSMRL_RENC_DFMAN ((uint)0x00003000) 310 #define SCC_GSMRL_RENC_MANCH ((uint)0x00002000) 311 #define SCC_GSMRL_RENC_FM0 ((uint)0x00001000) 312 #define SCC_GSMRL_RENC_NRZI ((uint)0x00000800) 313 #define SCC_GSMRL_RENC_NRZ ((uint)0x00000000) 314 #define SCC_GSMRL_TENC_DFMAN ((uint)0x00000600) 315 #define SCC_GSMRL_TENC_MANCH ((uint)0x00000400) 316 #define SCC_GSMRL_TENC_FM0 ((uint)0x00000200) 317 #define SCC_GSMRL_TENC_NRZI ((uint)0x00000100) 318 #define SCC_GSMRL_TENC_NRZ ((uint)0x00000000) 319 #define SCC_GSMRL_DIAG_LE ((uint)0x000000c0) /* Loop and echo */ 320 #define SCC_GSMRL_DIAG_ECHO ((uint)0x00000080) 321 #define SCC_GSMRL_DIAG_LOOP ((uint)0x00000040) 322 #define SCC_GSMRL_DIAG_NORM ((uint)0x00000000) 323 #define SCC_GSMRL_ENR ((uint)0x00000020) 324 #define SCC_GSMRL_ENT ((uint)0x00000010) 325 #define SCC_GSMRL_MODE_ENET ((uint)0x0000000c) 326 #define SCC_GSMRL_MODE_DDCMP ((uint)0x00000009) 327 #define SCC_GSMRL_MODE_BISYNC ((uint)0x00000008) 328 #define SCC_GSMRL_MODE_V14 ((uint)0x00000007) 329 #define SCC_GSMRL_MODE_AHDLC ((uint)0x00000006) 330 #define SCC_GSMRL_MODE_PROFIBUS ((uint)0x00000005) 331 #define SCC_GSMRL_MODE_UART ((uint)0x00000004) 332 #define SCC_GSMRL_MODE_SS7 ((uint)0x00000003) 333 #define SCC_GSMRL_MODE_ATALK ((uint)0x00000002) 334 #define SCC_GSMRL_MODE_HDLC ((uint)0x00000000) 335 336 #define SCC_TODR_TOD ((ushort)0x8000) 337 338 /* SCC Event and Mask register. 339 */ 340 #define SCCM_TXE ((unsigned char)0x10) 341 #define SCCM_BSY ((unsigned char)0x04) 342 #define SCCM_TX ((unsigned char)0x02) 343 #define SCCM_RX ((unsigned char)0x01) 344 345 typedef struct scc_param { 346 ushort scc_rbase; /* Rx Buffer descriptor base address */ 347 ushort scc_tbase; /* Tx Buffer descriptor base address */ 348 u_char scc_rfcr; /* Rx function code */ 349 u_char scc_tfcr; /* Tx function code */ 350 ushort scc_mrblr; /* Max receive buffer length */ 351 uint scc_rstate; /* Internal */ 352 uint scc_idp; /* Internal */ 353 ushort scc_rbptr; /* Internal */ 354 ushort scc_ibc; /* Internal */ 355 uint scc_rxtmp; /* Internal */ 356 uint scc_tstate; /* Internal */ 357 uint scc_tdp; /* Internal */ 358 ushort scc_tbptr; /* Internal */ 359 ushort scc_tbc; /* Internal */ 360 uint scc_txtmp; /* Internal */ 361 uint scc_rcrc; /* Internal */ 362 uint scc_tcrc; /* Internal */ 363 } sccp_t; 364 365 /* Function code bits. 366 */ 367 #define SCC_EB ((u_char)0x10) /* Set big endian byte order */ 368 369 /* CPM Ethernet through SCCx. 370 */ 371 typedef struct scc_enet { 372 sccp_t sen_genscc; 373 uint sen_cpres; /* Preset CRC */ 374 uint sen_cmask; /* Constant mask for CRC */ 375 uint sen_crcec; /* CRC Error counter */ 376 uint sen_alec; /* alignment error counter */ 377 uint sen_disfc; /* discard frame counter */ 378 ushort sen_pads; /* Tx short frame pad character */ 379 ushort sen_retlim; /* Retry limit threshold */ 380 ushort sen_retcnt; /* Retry limit counter */ 381 ushort sen_maxflr; /* maximum frame length register */ 382 ushort sen_minflr; /* minimum frame length register */ 383 ushort sen_maxd1; /* maximum DMA1 length */ 384 ushort sen_maxd2; /* maximum DMA2 length */ 385 ushort sen_maxd; /* Rx max DMA */ 386 ushort sen_dmacnt; /* Rx DMA counter */ 387 ushort sen_maxb; /* Max BD byte count */ 388 ushort sen_gaddr1; /* Group address filter */ 389 ushort sen_gaddr2; 390 ushort sen_gaddr3; 391 ushort sen_gaddr4; 392 uint sen_tbuf0data0; /* Save area 0 - current frame */ 393 uint sen_tbuf0data1; /* Save area 1 - current frame */ 394 uint sen_tbuf0rba; /* Internal */ 395 uint sen_tbuf0crc; /* Internal */ 396 ushort sen_tbuf0bcnt; /* Internal */ 397 ushort sen_paddrh; /* physical address (MSB) */ 398 ushort sen_paddrm; 399 ushort sen_paddrl; /* physical address (LSB) */ 400 ushort sen_pper; /* persistence */ 401 ushort sen_rfbdptr; /* Rx first BD pointer */ 402 ushort sen_tfbdptr; /* Tx first BD pointer */ 403 ushort sen_tlbdptr; /* Tx last BD pointer */ 404 uint sen_tbuf1data0; /* Save area 0 - current frame */ 405 uint sen_tbuf1data1; /* Save area 1 - current frame */ 406 uint sen_tbuf1rba; /* Internal */ 407 uint sen_tbuf1crc; /* Internal */ 408 ushort sen_tbuf1bcnt; /* Internal */ 409 ushort sen_txlen; /* Tx Frame length counter */ 410 ushort sen_iaddr1; /* Individual address filter */ 411 ushort sen_iaddr2; 412 ushort sen_iaddr3; 413 ushort sen_iaddr4; 414 ushort sen_boffcnt; /* Backoff counter */ 415 416 /* NOTE: Some versions of the manual have the following items 417 * incorrectly documented. Below is the proper order. 418 */ 419 ushort sen_taddrh; /* temp address (MSB) */ 420 ushort sen_taddrm; 421 ushort sen_taddrl; /* temp address (LSB) */ 422 } scc_enet_t; 423 424 /********************************************************************** 425 * 426 * Board specific configuration settings. 427 * 428 * Please note that we use the presence of a #define SCC_ENET and/or 429 * #define FEC_ENET to enable the SCC resp. FEC ethernet drivers. 430 **********************************************************************/ 431 432 /*** BSEIP **********************************************************/ 433 434 #ifdef CONFIG_BSEIP 435 /* This ENET stuff is for the MPC823 with ethernet on SCC2. 436 * This is unique to the BSE ip-Engine board. 437 */ 438 #define PROFF_ENET PROFF_SCC2 439 #define CPM_CR_ENET CPM_CR_CH_SCC2 440 #define SCC_ENET 1 441 #define PA_ENET_RXD ((ushort)0x0004) 442 #define PA_ENET_TXD ((ushort)0x0008) 443 #define PA_ENET_TCLK ((ushort)0x0100) 444 #define PA_ENET_RCLK ((ushort)0x0200) 445 #define PB_ENET_TENA ((uint)0x00002000) 446 #define PC_ENET_CLSN ((ushort)0x0040) 447 #define PC_ENET_RENA ((ushort)0x0080) 448 449 /* BSE uses port B and C bits for PHY control also. 450 */ 451 #define PB_BSE_POWERUP ((uint)0x00000004) 452 #define PB_BSE_FDXDIS ((uint)0x00008000) 453 #define PC_BSE_LOOPBACK ((ushort)0x0800) 454 455 #define SICR_ENET_MASK ((uint)0x0000ff00) 456 #define SICR_ENET_CLKRT ((uint)0x00002c00) 457 #endif /* CONFIG_BSEIP */ 458 459 /*** KM8XX *********************************************************/ 460 461 /* The KM8XX Service Module uses SCC3 for Ethernet */ 462 463 #ifdef CONFIG_KM8XX 464 #define PROFF_ENET PROFF_SCC3 /* Ethernet on SCC3 */ 465 #define CPM_CR_ENET CPM_CR_CH_SCC3 466 #define SCC_ENET 2 467 #define PA_ENET_RXD ((ushort)0x0010) /* PA 11 */ 468 #define PA_ENET_TXD ((ushort)0x0020) /* PA 10 */ 469 #define PA_ENET_RCLK ((ushort)0x1000) /* PA 3 CLK 5 */ 470 #define PA_ENET_TCLK ((ushort)0x2000) /* PA 2 CLK 6 */ 471 472 #define PC_ENET_TENA ((ushort)0x0004) /* PC 13 */ 473 474 #define PC_ENET_RENA ((ushort)0x0200) /* PC 6 */ 475 #define PC_ENET_CLSN ((ushort)0x0100) /* PC 7 */ 476 477 /* Control bits in the SICR to route TCLK (CLK6) and RCLK (CLK5) to 478 * SCC3. Also, make sure GR3 (bit 8) and SC3 (bit 9) are zero. 479 */ 480 #define SICR_ENET_MASK ((uint)0x00FF0000) 481 #define SICR_ENET_CLKRT ((uint)0x00250000) 482 #endif /* CONFIG_KM8XX */ 483 484 /*** MVS1, TQM823L/M, TQM850L/M, TQM885D, R360MPI **********/ 485 486 #if (defined(CONFIG_MVS) && CONFIG_MVS < 2) || \ 487 defined(CONFIG_TQM823L) || \ 488 defined(CONFIG_TQM823M) || defined(CONFIG_TQM850L) || \ 489 defined(CONFIG_TQM850M) || defined(CONFIG_TQM885D) 490 491 /* Bits in parallel I/O port registers that have to be set/cleared 492 * to configure the pins for SCC2 use. 493 */ 494 #define PROFF_ENET PROFF_SCC2 495 #define CPM_CR_ENET CPM_CR_CH_SCC2 496 #define SCC_ENET 1 497 #define PA_ENET_RXD ((ushort)0x0004) /* PA 13 */ 498 #define PA_ENET_TXD ((ushort)0x0008) /* PA 12 */ 499 #define PA_ENET_RCLK ((ushort)0x0100) /* PA 7 */ 500 #define PA_ENET_TCLK ((ushort)0x0400) /* PA 5 */ 501 502 #define PB_ENET_TENA ((uint)0x00002000) /* PB 18 */ 503 504 #define PC_ENET_CLSN ((ushort)0x0040) /* PC 9 */ 505 #define PC_ENET_RENA ((ushort)0x0080) /* PC 8 */ 506 507 /* Control bits in the SICR to route TCLK (CLK3) and RCLK (CLK1) to 508 * SCC2. Also, make sure GR2 (bit 16) and SC2 (bit 17) are zero. 509 */ 510 #define SICR_ENET_MASK ((uint)0x0000ff00) 511 #define SICR_ENET_CLKRT ((uint)0x00002600) 512 513 # ifdef CONFIG_FEC_ENET /* Use FEC for Fast Ethernet */ 514 #define FEC_ENET 515 # endif /* CONFIG_FEC_ENET */ 516 517 #endif /* CONFIG_MVS v1, CONFIG_TQM823L/M, CONFIG_TQM850L/M, etc. */ 518 519 /*** TQM855L/M, TQM860L/M, TQM862L/M, TQM866L/M *********************/ 520 521 #if defined(CONFIG_TQM855L) || defined(CONFIG_TQM855M) || \ 522 defined(CONFIG_TQM860L) || defined(CONFIG_TQM860M) || \ 523 defined(CONFIG_TQM862L) || defined(CONFIG_TQM862M) || \ 524 defined(CONFIG_TQM866L) || defined(CONFIG_TQM866M) 525 526 # ifdef CONFIG_SCC1_ENET /* use SCC for 10Mbps Ethernet */ 527 528 /* Bits in parallel I/O port registers that have to be set/cleared 529 * to configure the pins for SCC1 use. 530 */ 531 #define PROFF_ENET PROFF_SCC1 532 #define CPM_CR_ENET CPM_CR_CH_SCC1 533 #define SCC_ENET 0 534 #define PA_ENET_RXD ((ushort)0x0001) /* PA 15 */ 535 #define PA_ENET_TXD ((ushort)0x0002) /* PA 14 */ 536 #define PA_ENET_RCLK ((ushort)0x0100) /* PA 7 */ 537 #define PA_ENET_TCLK ((ushort)0x0400) /* PA 5 */ 538 539 #define PC_ENET_TENA ((ushort)0x0001) /* PC 15 */ 540 #define PC_ENET_CLSN ((ushort)0x0010) /* PC 11 */ 541 #define PC_ENET_RENA ((ushort)0x0020) /* PC 10 */ 542 543 /* Control bits in the SICR to route TCLK (CLK3) and RCLK (CLK1) to 544 * SCC1. Also, make sure GR1 (bit 24) and SC1 (bit 25) are zero. 545 */ 546 #define SICR_ENET_MASK ((uint)0x000000ff) 547 #define SICR_ENET_CLKRT ((uint)0x00000026) 548 549 # endif /* CONFIG_SCC1_ENET */ 550 551 # ifdef CONFIG_FEC_ENET /* Use FEC for Fast Ethernet */ 552 553 #define FEC_ENET 554 555 #define PD_MII_TXD1 ((ushort)0x1000) /* PD 3 */ 556 #define PD_MII_TXD2 ((ushort)0x0800) /* PD 4 */ 557 #define PD_MII_TXD3 ((ushort)0x0400) /* PD 5 */ 558 #define PD_MII_RX_DV ((ushort)0x0200) /* PD 6 */ 559 #define PD_MII_RX_ERR ((ushort)0x0100) /* PD 7 */ 560 #define PD_MII_RX_CLK ((ushort)0x0080) /* PD 8 */ 561 #define PD_MII_TXD0 ((ushort)0x0040) /* PD 9 */ 562 #define PD_MII_RXD0 ((ushort)0x0020) /* PD 10 */ 563 #define PD_MII_TX_ERR ((ushort)0x0010) /* PD 11 */ 564 #define PD_MII_MDC ((ushort)0x0008) /* PD 12 */ 565 #define PD_MII_RXD1 ((ushort)0x0004) /* PD 13 */ 566 #define PD_MII_RXD2 ((ushort)0x0002) /* PD 14 */ 567 #define PD_MII_RXD3 ((ushort)0x0001) /* PD 15 */ 568 569 #define PD_MII_MASK ((ushort)0x1FFF) /* PD 3...15 */ 570 571 # endif /* CONFIG_FEC_ENET */ 572 #endif /* CONFIG_TQM855L/M, TQM860L/M, TQM862L/M */ 573 574 /*********************************************************************/ 575 576 /* SCC Event register as used by Ethernet. 577 */ 578 #define SCCE_ENET_GRA ((ushort)0x0080) /* Graceful stop complete */ 579 #define SCCE_ENET_TXE ((ushort)0x0010) /* Transmit Error */ 580 #define SCCE_ENET_RXF ((ushort)0x0008) /* Full frame received */ 581 #define SCCE_ENET_BSY ((ushort)0x0004) /* All incoming buffers full */ 582 #define SCCE_ENET_TXB ((ushort)0x0002) /* A buffer was transmitted */ 583 #define SCCE_ENET_RXB ((ushort)0x0001) /* A buffer was received */ 584 585 /* SCC Mode Register (PSMR) as used by Ethernet. 586 */ 587 #define SCC_PSMR_HBC ((ushort)0x8000) /* Enable heartbeat */ 588 #define SCC_PSMR_FC ((ushort)0x4000) /* Force collision */ 589 #define SCC_PSMR_RSH ((ushort)0x2000) /* Receive short frames */ 590 #define SCC_PSMR_IAM ((ushort)0x1000) /* Check individual hash */ 591 #define SCC_PSMR_ENCRC ((ushort)0x0800) /* Ethernet CRC mode */ 592 #define SCC_PSMR_PRO ((ushort)0x0200) /* Promiscuous mode */ 593 #define SCC_PSMR_BRO ((ushort)0x0100) /* Catch broadcast pkts */ 594 #define SCC_PSMR_SBT ((ushort)0x0080) /* Special backoff timer */ 595 #define SCC_PSMR_LPB ((ushort)0x0040) /* Set Loopback mode */ 596 #define SCC_PSMR_SIP ((ushort)0x0020) /* Sample Input Pins */ 597 #define SCC_PSMR_LCW ((ushort)0x0010) /* Late collision window */ 598 #define SCC_PSMR_NIB22 ((ushort)0x000a) /* Start frame search */ 599 #define SCC_PSMR_FDE ((ushort)0x0001) /* Full duplex enable */ 600 601 /* Buffer descriptor control/status used by Ethernet receive. 602 */ 603 #define BD_ENET_RX_EMPTY ((ushort)0x8000) 604 #define BD_ENET_RX_WRAP ((ushort)0x2000) 605 #define BD_ENET_RX_INTR ((ushort)0x1000) 606 #define BD_ENET_RX_LAST ((ushort)0x0800) 607 #define BD_ENET_RX_FIRST ((ushort)0x0400) 608 #define BD_ENET_RX_MISS ((ushort)0x0100) 609 #define BD_ENET_RX_LG ((ushort)0x0020) 610 #define BD_ENET_RX_NO ((ushort)0x0010) 611 #define BD_ENET_RX_SH ((ushort)0x0008) 612 #define BD_ENET_RX_CR ((ushort)0x0004) 613 #define BD_ENET_RX_OV ((ushort)0x0002) 614 #define BD_ENET_RX_CL ((ushort)0x0001) 615 #define BD_ENET_RX_STATS ((ushort)0x013f) /* All status bits */ 616 617 /* Buffer descriptor control/status used by Ethernet transmit. 618 */ 619 #define BD_ENET_TX_READY ((ushort)0x8000) 620 #define BD_ENET_TX_PAD ((ushort)0x4000) 621 #define BD_ENET_TX_WRAP ((ushort)0x2000) 622 #define BD_ENET_TX_INTR ((ushort)0x1000) 623 #define BD_ENET_TX_LAST ((ushort)0x0800) 624 #define BD_ENET_TX_TC ((ushort)0x0400) 625 #define BD_ENET_TX_DEF ((ushort)0x0200) 626 #define BD_ENET_TX_HB ((ushort)0x0100) 627 #define BD_ENET_TX_LC ((ushort)0x0080) 628 #define BD_ENET_TX_RL ((ushort)0x0040) 629 #define BD_ENET_TX_RCMASK ((ushort)0x003c) 630 #define BD_ENET_TX_UN ((ushort)0x0002) 631 #define BD_ENET_TX_CSL ((ushort)0x0001) 632 #define BD_ENET_TX_STATS ((ushort)0x03ff) /* All status bits */ 633 634 /* SCC as UART 635 */ 636 typedef struct scc_uart { 637 sccp_t scc_genscc; 638 uint scc_res1; /* Reserved */ 639 uint scc_res2; /* Reserved */ 640 ushort scc_maxidl; /* Maximum idle chars */ 641 ushort scc_idlc; /* temp idle counter */ 642 ushort scc_brkcr; /* Break count register */ 643 ushort scc_parec; /* receive parity error counter */ 644 ushort scc_frmec; /* receive framing error counter */ 645 ushort scc_nosec; /* receive noise counter */ 646 ushort scc_brkec; /* receive break condition counter */ 647 ushort scc_brkln; /* last received break length */ 648 ushort scc_uaddr1; /* UART address character 1 */ 649 ushort scc_uaddr2; /* UART address character 2 */ 650 ushort scc_rtemp; /* Temp storage */ 651 ushort scc_toseq; /* Transmit out of sequence char */ 652 ushort scc_char1; /* control character 1 */ 653 ushort scc_char2; /* control character 2 */ 654 ushort scc_char3; /* control character 3 */ 655 ushort scc_char4; /* control character 4 */ 656 ushort scc_char5; /* control character 5 */ 657 ushort scc_char6; /* control character 6 */ 658 ushort scc_char7; /* control character 7 */ 659 ushort scc_char8; /* control character 8 */ 660 ushort scc_rccm; /* receive control character mask */ 661 ushort scc_rccr; /* receive control character register */ 662 ushort scc_rlbc; /* receive last break character */ 663 } scc_uart_t; 664 665 /* SCC Event and Mask registers when it is used as a UART. 666 */ 667 #define UART_SCCM_GLR ((ushort)0x1000) 668 #define UART_SCCM_GLT ((ushort)0x0800) 669 #define UART_SCCM_AB ((ushort)0x0200) 670 #define UART_SCCM_IDL ((ushort)0x0100) 671 #define UART_SCCM_GRA ((ushort)0x0080) 672 #define UART_SCCM_BRKE ((ushort)0x0040) 673 #define UART_SCCM_BRKS ((ushort)0x0020) 674 #define UART_SCCM_CCR ((ushort)0x0008) 675 #define UART_SCCM_BSY ((ushort)0x0004) 676 #define UART_SCCM_TX ((ushort)0x0002) 677 #define UART_SCCM_RX ((ushort)0x0001) 678 679 /* The SCC PSMR when used as a UART. 680 */ 681 #define SCU_PSMR_FLC ((ushort)0x8000) 682 #define SCU_PSMR_SL ((ushort)0x4000) 683 #define SCU_PSMR_CL ((ushort)0x3000) 684 #define SCU_PSMR_UM ((ushort)0x0c00) 685 #define SCU_PSMR_FRZ ((ushort)0x0200) 686 #define SCU_PSMR_RZS ((ushort)0x0100) 687 #define SCU_PSMR_SYN ((ushort)0x0080) 688 #define SCU_PSMR_DRT ((ushort)0x0040) 689 #define SCU_PSMR_PEN ((ushort)0x0010) 690 #define SCU_PSMR_RPM ((ushort)0x000c) 691 #define SCU_PSMR_REVP ((ushort)0x0008) 692 #define SCU_PSMR_TPM ((ushort)0x0003) 693 #define SCU_PSMR_TEVP ((ushort)0x0003) 694 695 /* CPM Transparent mode SCC. 696 */ 697 typedef struct scc_trans { 698 sccp_t st_genscc; 699 uint st_cpres; /* Preset CRC */ 700 uint st_cmask; /* Constant mask for CRC */ 701 } scc_trans_t; 702 703 #define BD_SCC_TX_LAST ((ushort)0x0800) 704 705 /* IIC parameter RAM. 706 */ 707 typedef struct iic { 708 ushort iic_rbase; /* Rx Buffer descriptor base address */ 709 ushort iic_tbase; /* Tx Buffer descriptor base address */ 710 u_char iic_rfcr; /* Rx function code */ 711 u_char iic_tfcr; /* Tx function code */ 712 ushort iic_mrblr; /* Max receive buffer length */ 713 uint iic_rstate; /* Internal */ 714 uint iic_rdp; /* Internal */ 715 ushort iic_rbptr; /* Internal */ 716 ushort iic_rbc; /* Internal */ 717 uint iic_rxtmp; /* Internal */ 718 uint iic_tstate; /* Internal */ 719 uint iic_tdp; /* Internal */ 720 ushort iic_tbptr; /* Internal */ 721 ushort iic_tbc; /* Internal */ 722 uint iic_txtmp; /* Internal */ 723 uint iic_res; /* reserved */ 724 ushort iic_rpbase; /* Relocation pointer */ 725 ushort iic_res2; /* reserved */ 726 } iic_t; 727 728 /* SPI parameter RAM. 729 */ 730 typedef struct spi { 731 ushort spi_rbase; /* Rx Buffer descriptor base address */ 732 ushort spi_tbase; /* Tx Buffer descriptor base address */ 733 u_char spi_rfcr; /* Rx function code */ 734 u_char spi_tfcr; /* Tx function code */ 735 ushort spi_mrblr; /* Max receive buffer length */ 736 uint spi_rstate; /* Internal */ 737 uint spi_rdp; /* Internal */ 738 ushort spi_rbptr; /* Internal */ 739 ushort spi_rbc; /* Internal */ 740 uint spi_rxtmp; /* Internal */ 741 uint spi_tstate; /* Internal */ 742 uint spi_tdp; /* Internal */ 743 ushort spi_tbptr; /* Internal */ 744 ushort spi_tbc; /* Internal */ 745 uint spi_txtmp; /* Internal */ 746 uint spi_res; 747 ushort spi_rpbase; /* Relocation pointer */ 748 ushort spi_res2; 749 } spi_t; 750 751 /* SPI Mode register. 752 */ 753 #define SPMODE_LOOP ((ushort)0x4000) /* Loopback */ 754 #define SPMODE_CI ((ushort)0x2000) /* Clock Invert */ 755 #define SPMODE_CP ((ushort)0x1000) /* Clock Phase */ 756 #define SPMODE_DIV16 ((ushort)0x0800) /* BRG/16 mode */ 757 #define SPMODE_REV ((ushort)0x0400) /* Reversed Data */ 758 #define SPMODE_MSTR ((ushort)0x0200) /* SPI Master */ 759 #define SPMODE_EN ((ushort)0x0100) /* Enable */ 760 #define SPMODE_LENMSK ((ushort)0x00f0) /* character length */ 761 #define SPMODE_PMMSK ((ushort)0x000f) /* prescale modulus */ 762 763 #define SPMODE_LEN(x) ((((x)-1)&0xF)<<4) 764 #define SPMODE_PM(x) ((x) &0xF) 765 766 /* HDLC parameter RAM. 767 */ 768 769 typedef struct hdlc_pram_s { 770 /* 771 * SCC parameter RAM 772 */ 773 ushort rbase; /* Rx Buffer descriptor base address */ 774 ushort tbase; /* Tx Buffer descriptor base address */ 775 uchar rfcr; /* Rx function code */ 776 uchar tfcr; /* Tx function code */ 777 ushort mrblr; /* Rx buffer length */ 778 ulong rstate; /* Rx internal state */ 779 ulong rptr; /* Rx internal data pointer */ 780 ushort rbptr; /* rb BD Pointer */ 781 ushort rcount; /* Rx internal byte count */ 782 ulong rtemp; /* Rx temp */ 783 ulong tstate; /* Tx internal state */ 784 ulong tptr; /* Tx internal data pointer */ 785 ushort tbptr; /* Tx BD pointer */ 786 ushort tcount; /* Tx byte count */ 787 ulong ttemp; /* Tx temp */ 788 ulong rcrc; /* temp receive CRC */ 789 ulong tcrc; /* temp transmit CRC */ 790 /* 791 * HDLC specific parameter RAM 792 */ 793 uchar res[4]; /* reserved */ 794 ulong c_mask; /* CRC constant */ 795 ulong c_pres; /* CRC preset */ 796 ushort disfc; /* discarded frame counter */ 797 ushort crcec; /* CRC error counter */ 798 ushort abtsc; /* abort sequence counter */ 799 ushort nmarc; /* nonmatching address rx cnt */ 800 ushort retrc; /* frame retransmission cnt */ 801 ushort mflr; /* maximum frame length reg */ 802 ushort max_cnt; /* maximum length counter */ 803 ushort rfthr; /* received frames threshold */ 804 ushort rfcnt; /* received frames count */ 805 ushort hmask; /* user defined frm addr mask */ 806 ushort haddr1; /* user defined frm address 1 */ 807 ushort haddr2; /* user defined frm address 2 */ 808 ushort haddr3; /* user defined frm address 3 */ 809 ushort haddr4; /* user defined frm address 4 */ 810 ushort tmp; /* temp */ 811 ushort tmp_mb; /* temp */ 812 } hdlc_pram_t; 813 814 /* CPM interrupts. There are nearly 32 interrupts generated by CPM 815 * channels or devices. All of these are presented to the PPC core 816 * as a single interrupt. The CPM interrupt handler dispatches its 817 * own handlers, in a similar fashion to the PPC core handler. We 818 * use the table as defined in the manuals (i.e. no special high 819 * priority and SCC1 == SCCa, etc...). 820 */ 821 #define CPMVEC_NR 32 822 #define CPMVEC_OFFSET 0x00010000 823 #define CPMVEC_PIO_PC15 ((ushort)0x1f | CPMVEC_OFFSET) 824 #define CPMVEC_SCC1 ((ushort)0x1e | CPMVEC_OFFSET) 825 #define CPMVEC_SCC2 ((ushort)0x1d | CPMVEC_OFFSET) 826 #define CPMVEC_SCC3 ((ushort)0x1c | CPMVEC_OFFSET) 827 #define CPMVEC_SCC4 ((ushort)0x1b | CPMVEC_OFFSET) 828 #define CPMVEC_PIO_PC14 ((ushort)0x1a | CPMVEC_OFFSET) 829 #define CPMVEC_TIMER1 ((ushort)0x19 | CPMVEC_OFFSET) 830 #define CPMVEC_PIO_PC13 ((ushort)0x18 | CPMVEC_OFFSET) 831 #define CPMVEC_PIO_PC12 ((ushort)0x17 | CPMVEC_OFFSET) 832 #define CPMVEC_SDMA_CB_ERR ((ushort)0x16 | CPMVEC_OFFSET) 833 #define CPMVEC_IDMA1 ((ushort)0x15 | CPMVEC_OFFSET) 834 #define CPMVEC_IDMA2 ((ushort)0x14 | CPMVEC_OFFSET) 835 #define CPMVEC_TIMER2 ((ushort)0x12 | CPMVEC_OFFSET) 836 #define CPMVEC_RISCTIMER ((ushort)0x11 | CPMVEC_OFFSET) 837 #define CPMVEC_I2C ((ushort)0x10 | CPMVEC_OFFSET) 838 #define CPMVEC_PIO_PC11 ((ushort)0x0f | CPMVEC_OFFSET) 839 #define CPMVEC_PIO_PC10 ((ushort)0x0e | CPMVEC_OFFSET) 840 #define CPMVEC_TIMER3 ((ushort)0x0c | CPMVEC_OFFSET) 841 #define CPMVEC_PIO_PC9 ((ushort)0x0b | CPMVEC_OFFSET) 842 #define CPMVEC_PIO_PC8 ((ushort)0x0a | CPMVEC_OFFSET) 843 #define CPMVEC_PIO_PC7 ((ushort)0x09 | CPMVEC_OFFSET) 844 #define CPMVEC_TIMER4 ((ushort)0x07 | CPMVEC_OFFSET) 845 #define CPMVEC_PIO_PC6 ((ushort)0x06 | CPMVEC_OFFSET) 846 #define CPMVEC_SPI ((ushort)0x05 | CPMVEC_OFFSET) 847 #define CPMVEC_SMC1 ((ushort)0x04 | CPMVEC_OFFSET) 848 #define CPMVEC_SMC2 ((ushort)0x03 | CPMVEC_OFFSET) 849 #define CPMVEC_PIO_PC5 ((ushort)0x02 | CPMVEC_OFFSET) 850 #define CPMVEC_PIO_PC4 ((ushort)0x01 | CPMVEC_OFFSET) 851 #define CPMVEC_ERROR ((ushort)0x00 | CPMVEC_OFFSET) 852 853 extern void irq_install_handler(int vec, void (*handler)(void *), void *dev_id); 854 855 /* CPM interrupt configuration vector. 856 */ 857 #define CICR_SCD_SCC4 ((uint)0x00c00000) /* SCC4 @ SCCd */ 858 #define CICR_SCC_SCC3 ((uint)0x00200000) /* SCC3 @ SCCc */ 859 #define CICR_SCB_SCC2 ((uint)0x00040000) /* SCC2 @ SCCb */ 860 #define CICR_SCA_SCC1 ((uint)0x00000000) /* SCC1 @ SCCa */ 861 #define CICR_IRL_MASK ((uint)0x0000e000) /* Core interrrupt */ 862 #define CICR_HP_MASK ((uint)0x00001f00) /* Hi-pri int. */ 863 #define CICR_IEN ((uint)0x00000080) /* Int. enable */ 864 #define CICR_SPS ((uint)0x00000001) /* SCC Spread */ 865 #endif /* __CPM_8XX__ */ 866