projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| fe8c2806 WD |
1 | /* |
| 2 | * MPC8xx Communication Processor Module. | |
| 3 | * Copyright (c) 1997 Dan Malek ([email protected]) | |
| 4 | * | |
| 8cba090c | 5 | * (C) Copyright 2000-2006 |
| d4ca31c4 WD |
6 | * Wolfgang Denk, DENX Software Engineering, [email protected]. |
| 7 | * | |
| fe8c2806 WD |
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 | * | |
| fe8c2806 WD |
15 | */ |
| 16 | #ifndef __CPM_8XX__ | |
| 17 | #define __CPM_8XX__ | |
| 18 | ||
| fe8c2806 WD |
19 | #include <asm/8xx_immap.h> |
| 20 | ||
| 21 | /* CPM Command register. | |
| 22 | */ | |
| 7c7a23bd WD |
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) | |
| fe8c2806 WD |
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 | */ | |
| 7c7a23bd WD |
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 */ | |
| fe8c2806 WD |
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 | */ | |
| 6d0f6bcf | 60 | #ifdef CONFIG_SYS_ALLOC_DPRAM |
| fe8c2806 WD |
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 | |
| 79536a6e | 72 | #define CPM_SERIAL2_BASE 0x08E0 |
| fe8c2806 WD |
73 | #define CPM_SCC_BASE 0x0900 |
| 74 | #define CPM_POST_BASE 0x0980 | |
| 281e00a3 | 75 | #define CPM_WLKBD_BASE 0x0a00 |
| fe8c2806 WD |
76 | |
| 77 | #endif | |
| 78 | ||
| 6d0f6bcf | 79 | #ifndef CONFIG_SYS_CPM_POST_WORD_ADDR |
| fe8c2806 | 80 | #define CPM_POST_WORD_ADDR 0x07FC |
| ea909b76 | 81 | #else |
| 6d0f6bcf | 82 | #define CPM_POST_WORD_ADDR CONFIG_SYS_CPM_POST_WORD_ADDR |
| ea909b76 | 83 | #endif |
| fe8c2806 | 84 | |
| 6d0f6bcf | 85 | #ifndef CONFIG_SYS_CPM_BOOTCOUNT_ADDR |
| bdccc4fe WD |
86 | #define CPM_BOOTCOUNT_ADDR (CPM_POST_WORD_ADDR - 2*sizeof(ulong)) |
| 87 | #else | |
| 6d0f6bcf | 88 | #define CPM_BOOTCOUNT_ADDR CONFIG_SYS_CPM_BOOTCOUNT_ADDR |
| bdccc4fe WD |
89 | #endif |
| 90 | ||
| fe8c2806 WD |
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 | ||
| 16263087 | 106 | #define BD_SC_EMPTY ((ushort)0x8000) /* Receive is empty */ |
| fe8c2806 WD |
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) | |
| a166fbca | 125 | #define PROFF_REVNUM ((uint)0x00b0) |
| fe8c2806 WD |
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. | |
| fe8c2806 WD |
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 */ | |
| b423d055 HS |
157 | u_char res1[8]; |
| 158 | ushort smc_rpbase; /* Relocation pointer */ | |
| fe8c2806 WD |
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 | ||
| fe8c2806 WD |
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 | ||
| d044954f | 459 | /*** KM8XX *********************************************************/ |
| 381e4e63 | 460 | |
| d044954f | 461 | /* The KM8XX Service Module uses SCC3 for Ethernet */ |
| 381e4e63 | 462 | |
| d044954f | 463 | #ifdef CONFIG_KM8XX |
| 381e4e63 HS |
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) | |
| d044954f | 482 | #endif /* CONFIG_KM8XX */ |
| 381e4e63 | 483 | |
| 1b0757ec | 484 | /*** MVS1, TQM823L/M, TQM850L/M, TQM885D, R360MPI **********/ |
| fe8c2806 WD |
485 | |
| 486 | #if (defined(CONFIG_MVS) && CONFIG_MVS < 2) || \ | |
| 8737fc75 | 487 | defined(CONFIG_TQM823L) || \ |
| 1b0757ec | 488 | defined(CONFIG_TQM823M) || defined(CONFIG_TQM850L) || \ |
| 8737fc75 | 489 | defined(CONFIG_TQM850M) || defined(CONFIG_TQM885D) |
| 090eb735 | 490 | |
| fe8c2806 WD |
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 */ | |
| fe8c2806 WD |
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) | |
| 090eb735 MK |
512 | |
| 513 | # ifdef CONFIG_FEC_ENET /* Use FEC for Fast Ethernet */ | |
| 514 | #define FEC_ENET | |
| 515 | # endif /* CONFIG_FEC_ENET */ | |
| 516 | ||
| 71f95118 | 517 | #endif /* CONFIG_MVS v1, CONFIG_TQM823L/M, CONFIG_TQM850L/M, etc. */ |
| fe8c2806 | 518 | |
| d4ca31c4 | 519 | /*** TQM855L/M, TQM860L/M, TQM862L/M, TQM866L/M *********************/ |
| fe8c2806 | 520 | |
| 71f95118 WD |
521 | #if defined(CONFIG_TQM855L) || defined(CONFIG_TQM855M) || \ |
| 522 | defined(CONFIG_TQM860L) || defined(CONFIG_TQM860M) || \ | |
| d4ca31c4 WD |
523 | defined(CONFIG_TQM862L) || defined(CONFIG_TQM862M) || \ |
| 524 | defined(CONFIG_TQM866L) || defined(CONFIG_TQM866M) | |
| fe8c2806 WD |
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 */ | |
| 71f95118 | 572 | #endif /* CONFIG_TQM855L/M, TQM860L/M, TQM862L/M */ |
| fe8c2806 | 573 | |
| fe8c2806 WD |
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 | |
| 7c7a23bd WD |
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) | |
| fe8c2806 WD |
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__ */ |