Christophe Leroy | 069fa83 | 2017-07-06 10:23:22 +0200 | [diff] [blame] | 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 |
Christophe Leroy | 48f896d | 2017-07-06 10:33:17 +0200 | [diff] [blame] | 10 | * through the MPC8xx internal memory map. See immap.h for details. |
Christophe Leroy | 069fa83 | 2017-07-06 10:23:22 +0200 | [diff] [blame] | 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 | |
Christophe Leroy | b3510fb | 2018-03-16 17:20:41 +0100 | [diff] [blame] | 19 | #include <asm/immap_8xx.h> |
Christophe Leroy | 069fa83 | 2017-07-06 10:23:22 +0200 | [diff] [blame] | 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 | */ |
Christophe Leroy | e65975f | 2023-05-04 10:20:35 +0200 | [diff] [blame] | 54 | #define CPM_SERIAL_BASE 0x0800 |
| 55 | #define CPM_I2C_BASE 0x0820 |
| 56 | #define CPM_SPI_BASE 0x0840 |
| 57 | #define CPM_FEC_BASE 0x0860 |
| 58 | #define CPM_SERIAL2_BASE 0x08E0 |
| 59 | #define CPM_SCC_BASE 0x0900 |
| 60 | #define CPM_POST_BASE 0x0980 |
| 61 | #define CPM_WLKBD_BASE 0x0a00 |
Christophe Leroy | 069fa83 | 2017-07-06 10:23:22 +0200 | [diff] [blame] | 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 */ |
Christophe Leroy | 48f896d | 2017-07-06 10:33:17 +0200 | [diff] [blame] | 84 | #define BD_SC_CM ((ushort)0x0200) /* Continuous mode */ |
Christophe Leroy | 069fa83 | 2017-07-06 10:23:22 +0200 | [diff] [blame] | 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 | */ |
Christophe Leroy | e6050cc | 2023-05-03 10:31:19 +0200 | [diff] [blame] | 95 | #define PROFF_SCC1 ((uint)0x1c00) |
| 96 | #define PROFF_IIC ((uint)0x1c80) |
| 97 | #define PROFF_REVNUM ((uint)0x1cb0) |
| 98 | #define PROFF_SCC2 ((uint)0x1d00) |
| 99 | #define PROFF_SPI ((uint)0x1d80) |
| 100 | #define PROFF_SCC3 ((uint)0x1e00) |
| 101 | #define PROFF_SMC1 ((uint)0x1e80) |
| 102 | #define PROFF_SCC4 ((uint)0x1f00) |
| 103 | #define PROFF_SMC2 ((uint)0x1f80) |
Christophe Leroy | 069fa83 | 2017-07-06 10:23:22 +0200 | [diff] [blame] | 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 | |
Christophe Leroy | 48f896d | 2017-07-06 10:33:17 +0200 | [diff] [blame] | 585 | #define SPMODE_LEN(x) ((((x) - 1) & 0xF) << 4) |
| 586 | #define SPMODE_PM(x) ((x) & 0xF) |
Christophe Leroy | 069fa83 | 2017-07-06 10:23:22 +0200 | [diff] [blame] | 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 | |
Christophe Leroy | 48f896d | 2017-07-06 10:33:17 +0200 | [diff] [blame] | 675 | void irq_install_handler(int vec, void (*handler)(void *), void *dev_id); |
Christophe Leroy | 069fa83 | 2017-07-06 10:23:22 +0200 | [diff] [blame] | 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 */ |
Christophe Leroy | 48f896d | 2017-07-06 10:33:17 +0200 | [diff] [blame] | 683 | #define CICR_IRL_MASK ((uint)0x0000e000) /* Core interrupt */ |
Christophe Leroy | 069fa83 | 2017-07-06 10:23:22 +0200 | [diff] [blame] | 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 */ |
Christophe Leroy | d8f34da | 2023-05-03 08:50:55 +0200 | [diff] [blame] | 687 | |
| 688 | #ifdef CONFIG_NO_UCODE_PATCH |
| 689 | static inline void cpm_load_patch(cpm8xx_t __iomem *cp) { } |
| 690 | #else |
| 691 | void cpm_load_patch(cpm8xx_t __iomem *cp); |
| 692 | #endif |
| 693 | |
Christophe Leroy | 069fa83 | 2017-07-06 10:23:22 +0200 | [diff] [blame] | 694 | #endif /* __CPM_8XX__ */ |