projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | /* |
| 3 | * Copyright (C) 1999, 2000 Ralf Baechle | |
| 4 | * Copyright (C) 1999, 2000 Silicon Graphics, Inc. | |
| 5 | */ | |
| 6 | #ifndef _IOC3_H | |
| 7 | #define _IOC3_H | |
| 8 | ||
| 89e22d15 RB |
9 | #include <linux/types.h> |
| 10 | ||
| 1da177e4 LT |
11 | /* SUPERIO uart register map */ |
| 12 | typedef volatile struct ioc3_uartregs { | |
| 13 | union { | |
| 14 | volatile u8 rbr; /* read only, DLAB == 0 */ | |
| 15 | volatile u8 thr; /* write only, DLAB == 0 */ | |
| 16 | volatile u8 dll; /* DLAB == 1 */ | |
| 17 | } u1; | |
| 18 | union { | |
| 19 | volatile u8 ier; /* DLAB == 0 */ | |
| 20 | volatile u8 dlm; /* DLAB == 1 */ | |
| 21 | } u2; | |
| 22 | union { | |
| 23 | volatile u8 iir; /* read only */ | |
| 24 | volatile u8 fcr; /* write only */ | |
| 25 | } u3; | |
| 26 | volatile u8 iu_lcr; | |
| 27 | volatile u8 iu_mcr; | |
| 28 | volatile u8 iu_lsr; | |
| 29 | volatile u8 iu_msr; | |
| 30 | volatile u8 iu_scr; | |
| 31 | } ioc3_uregs_t; | |
| 32 | ||
| 33 | #define iu_rbr u1.rbr | |
| 34 | #define iu_thr u1.thr | |
| 35 | #define iu_dll u1.dll | |
| 36 | #define iu_ier u2.ier | |
| 37 | #define iu_dlm u2.dlm | |
| 38 | #define iu_iir u3.iir | |
| 39 | #define iu_fcr u3.fcr | |
| 40 | ||
| 41 | struct ioc3_sioregs { | |
| 42 | volatile u8 fill[0x141]; /* starts at 0x141 */ | |
| 43 | ||
| 44 | volatile u8 uartc; | |
| 45 | volatile u8 kbdcg; | |
| 46 | ||
| 47 | volatile u8 fill0[0x150 - 0x142 - 1]; | |
| 48 | ||
| 49 | volatile u8 pp_data; | |
| 50 | volatile u8 pp_dsr; | |
| 51 | volatile u8 pp_dcr; | |
| 52 | ||
| 53 | volatile u8 fill1[0x158 - 0x152 - 1]; | |
| 54 | ||
| 55 | volatile u8 pp_fifa; | |
| 56 | volatile u8 pp_cfgb; | |
| 57 | volatile u8 pp_ecr; | |
| 58 | ||
| 59 | volatile u8 fill2[0x168 - 0x15a - 1]; | |
| 60 | ||
| 61 | volatile u8 rtcad; | |
| 62 | volatile u8 rtcdat; | |
| 63 | ||
| 64 | volatile u8 fill3[0x170 - 0x169 - 1]; | |
| 65 | ||
| 70342287 RB |
66 | struct ioc3_uartregs uartb; /* 0x20170 */ |
| 67 | struct ioc3_uartregs uarta; /* 0x20178 */ | |
| 1da177e4 LT |
68 | }; |
| 69 | ||
| 70 | /* Register layout of IOC3 in configuration space. */ | |
| 71 | struct ioc3 { | |
| 72 | volatile u32 pad0[7]; /* 0x00000 */ | |
| 73 | volatile u32 sio_ir; /* 0x0001c */ | |
| 74 | volatile u32 sio_ies; /* 0x00020 */ | |
| 75 | volatile u32 sio_iec; /* 0x00024 */ | |
| 76 | volatile u32 sio_cr; /* 0x00028 */ | |
| 77 | volatile u32 int_out; /* 0x0002c */ | |
| 78 | volatile u32 mcr; /* 0x00030 */ | |
| 79 | ||
| 80 | /* General Purpose I/O registers */ | |
| 81 | volatile u32 gpcr_s; /* 0x00034 */ | |
| 82 | volatile u32 gpcr_c; /* 0x00038 */ | |
| 83 | volatile u32 gpdr; /* 0x0003c */ | |
| 84 | volatile u32 gppr_0; /* 0x00040 */ | |
| 85 | volatile u32 gppr_1; /* 0x00044 */ | |
| 86 | volatile u32 gppr_2; /* 0x00048 */ | |
| 87 | volatile u32 gppr_3; /* 0x0004c */ | |
| 88 | volatile u32 gppr_4; /* 0x00050 */ | |
| 89 | volatile u32 gppr_5; /* 0x00054 */ | |
| 90 | volatile u32 gppr_6; /* 0x00058 */ | |
| 91 | volatile u32 gppr_7; /* 0x0005c */ | |
| 92 | volatile u32 gppr_8; /* 0x00060 */ | |
| 93 | volatile u32 gppr_9; /* 0x00064 */ | |
| 94 | volatile u32 gppr_10; /* 0x00068 */ | |
| 95 | volatile u32 gppr_11; /* 0x0006c */ | |
| 96 | volatile u32 gppr_12; /* 0x00070 */ | |
| 97 | volatile u32 gppr_13; /* 0x00074 */ | |
| 98 | volatile u32 gppr_14; /* 0x00078 */ | |
| 99 | volatile u32 gppr_15; /* 0x0007c */ | |
| 100 | ||
| 101 | /* Parallel Port Registers */ | |
| 102 | volatile u32 ppbr_h_a; /* 0x00080 */ | |
| 103 | volatile u32 ppbr_l_a; /* 0x00084 */ | |
| 104 | volatile u32 ppcr_a; /* 0x00088 */ | |
| 105 | volatile u32 ppcr; /* 0x0008c */ | |
| 106 | volatile u32 ppbr_h_b; /* 0x00090 */ | |
| 107 | volatile u32 ppbr_l_b; /* 0x00094 */ | |
| 108 | volatile u32 ppcr_b; /* 0x00098 */ | |
| 109 | ||
| 70342287 | 110 | /* Keyboard and Mouse Registers */ |
| 1da177e4 LT |
111 | volatile u32 km_csr; /* 0x0009c */ |
| 112 | volatile u32 k_rd; /* 0x000a0 */ | |
| 113 | volatile u32 m_rd; /* 0x000a4 */ | |
| 114 | volatile u32 k_wd; /* 0x000a8 */ | |
| 115 | volatile u32 m_wd; /* 0x000ac */ | |
| 116 | ||
| 117 | /* Serial Port Registers */ | |
| 118 | volatile u32 sbbr_h; /* 0x000b0 */ | |
| 119 | volatile u32 sbbr_l; /* 0x000b4 */ | |
| 120 | volatile u32 sscr_a; /* 0x000b8 */ | |
| 121 | volatile u32 stpir_a; /* 0x000bc */ | |
| 122 | volatile u32 stcir_a; /* 0x000c0 */ | |
| 123 | volatile u32 srpir_a; /* 0x000c4 */ | |
| 124 | volatile u32 srcir_a; /* 0x000c8 */ | |
| 125 | volatile u32 srtr_a; /* 0x000cc */ | |
| 126 | volatile u32 shadow_a; /* 0x000d0 */ | |
| 127 | volatile u32 sscr_b; /* 0x000d4 */ | |
| 128 | volatile u32 stpir_b; /* 0x000d8 */ | |
| 129 | volatile u32 stcir_b; /* 0x000dc */ | |
| 130 | volatile u32 srpir_b; /* 0x000e0 */ | |
| 131 | volatile u32 srcir_b; /* 0x000e4 */ | |
| 132 | volatile u32 srtr_b; /* 0x000e8 */ | |
| 133 | volatile u32 shadow_b; /* 0x000ec */ | |
| 134 | ||
| 135 | /* Ethernet Registers */ | |
| 136 | volatile u32 emcr; /* 0x000f0 */ | |
| 137 | volatile u32 eisr; /* 0x000f4 */ | |
| 138 | volatile u32 eier; /* 0x000f8 */ | |
| 139 | volatile u32 ercsr; /* 0x000fc */ | |
| 140 | volatile u32 erbr_h; /* 0x00100 */ | |
| 141 | volatile u32 erbr_l; /* 0x00104 */ | |
| 142 | volatile u32 erbar; /* 0x00108 */ | |
| 143 | volatile u32 ercir; /* 0x0010c */ | |
| 144 | volatile u32 erpir; /* 0x00110 */ | |
| 145 | volatile u32 ertr; /* 0x00114 */ | |
| 146 | volatile u32 etcsr; /* 0x00118 */ | |
| 147 | volatile u32 ersr; /* 0x0011c */ | |
| 148 | volatile u32 etcdc; /* 0x00120 */ | |
| 149 | volatile u32 ebir; /* 0x00124 */ | |
| 150 | volatile u32 etbr_h; /* 0x00128 */ | |
| 151 | volatile u32 etbr_l; /* 0x0012c */ | |
| 152 | volatile u32 etcir; /* 0x00130 */ | |
| 153 | volatile u32 etpir; /* 0x00134 */ | |
| 154 | volatile u32 emar_h; /* 0x00138 */ | |
| 155 | volatile u32 emar_l; /* 0x0013c */ | |
| 156 | volatile u32 ehar_h; /* 0x00140 */ | |
| 157 | volatile u32 ehar_l; /* 0x00144 */ | |
| 158 | volatile u32 micr; /* 0x00148 */ | |
| 159 | volatile u32 midr_r; /* 0x0014c */ | |
| 160 | volatile u32 midr_w; /* 0x00150 */ | |
| 161 | volatile u32 pad1[(0x20000 - 0x00154) / 4]; | |
| 162 | ||
| 163 | /* SuperIO Registers XXX */ | |
| 164 | struct ioc3_sioregs sregs; /* 0x20000 */ | |
| 165 | volatile u32 pad2[(0x40000 - 0x20180) / 4]; | |
| 166 | ||
| 167 | /* SSRAM Diagnostic Access */ | |
| 168 | volatile u32 ssram[(0x80000 - 0x40000) / 4]; | |
| 169 | ||
| 170 | /* Bytebus device offsets | |
| 171 | 0x80000 - Access to the generic devices selected with DEV0 | |
| 172 | 0x9FFFF bytebus DEV_SEL_0 | |
| 173 | 0xA0000 - Access to the generic devices selected with DEV1 | |
| 174 | 0xBFFFF bytebus DEV_SEL_1 | |
| 175 | 0xC0000 - Access to the generic devices selected with DEV2 | |
| 176 | 0xDFFFF bytebus DEV_SEL_2 | |
| 177 | 0xE0000 - Access to the generic devices selected with DEV3 | |
| 178 | 0xFFFFF bytebus DEV_SEL_3 */ | |
| 179 | }; | |
| 180 | ||
| 181 | /* | |
| 182 | * Ethernet RX Buffer | |
| 183 | */ | |
| 184 | struct ioc3_erxbuf { | |
| 185 | u32 w0; /* first word (valid,bcnt,cksum) */ | |
| 186 | u32 err; /* second word various errors */ | |
| 187 | /* next comes n bytes of padding */ | |
| 188 | /* then the received ethernet frame itself */ | |
| 189 | }; | |
| 190 | ||
| 191 | #define ERXBUF_IPCKSUM_MASK 0x0000ffff | |
| 192 | #define ERXBUF_BYTECNT_MASK 0x07ff0000 | |
| 193 | #define ERXBUF_BYTECNT_SHIFT 16 | |
| 194 | #define ERXBUF_V 0x80000000 | |
| 195 | ||
| 196 | #define ERXBUF_CRCERR 0x00000001 /* aka RSV15 */ | |
| 197 | #define ERXBUF_FRAMERR 0x00000002 /* aka RSV14 */ | |
| 198 | #define ERXBUF_CODERR 0x00000004 /* aka RSV13 */ | |
| 199 | #define ERXBUF_INVPREAMB 0x00000008 /* aka RSV18 */ | |
| 200 | #define ERXBUF_LOLEN 0x00007000 /* aka RSV2_0 */ | |
| 201 | #define ERXBUF_HILEN 0x03ff0000 /* aka RSV12_3 */ | |
| 202 | #define ERXBUF_MULTICAST 0x04000000 /* aka RSV16 */ | |
| 203 | #define ERXBUF_BROADCAST 0x08000000 /* aka RSV17 */ | |
| 204 | #define ERXBUF_LONGEVENT 0x10000000 /* aka RSV19 */ | |
| 205 | #define ERXBUF_BADPKT 0x20000000 /* aka RSV20 */ | |
| 206 | #define ERXBUF_GOODPKT 0x40000000 /* aka RSV21 */ | |
| 207 | #define ERXBUF_CARRIER 0x80000000 /* aka RSV22 */ | |
| 208 | ||
| 209 | /* | |
| 210 | * Ethernet TX Descriptor | |
| 211 | */ | |
| 70342287 | 212 | #define ETXD_DATALEN 104 |
| 1da177e4 LT |
213 | struct ioc3_etxd { |
| 214 | u32 cmd; /* command field */ | |
| 215 | u32 bufcnt; /* buffer counts field */ | |
| 216 | u64 p1; /* buffer pointer 1 */ | |
| 217 | u64 p2; /* buffer pointer 2 */ | |
| 218 | u8 data[ETXD_DATALEN]; /* opt. tx data */ | |
| 219 | }; | |
| 220 | ||
| 221 | #define ETXD_BYTECNT_MASK 0x000007ff /* total byte count */ | |
| 222 | #define ETXD_INTWHENDONE 0x00001000 /* intr when done */ | |
| 223 | #define ETXD_D0V 0x00010000 /* data 0 valid */ | |
| 224 | #define ETXD_B1V 0x00020000 /* buf 1 valid */ | |
| 225 | #define ETXD_B2V 0x00040000 /* buf 2 valid */ | |
| 226 | #define ETXD_DOCHECKSUM 0x00080000 /* insert ip cksum */ | |
| 227 | #define ETXD_CHKOFF_MASK 0x07f00000 /* cksum byte offset */ | |
| 228 | #define ETXD_CHKOFF_SHIFT 20 | |
| 229 | ||
| 230 | #define ETXD_D0CNT_MASK 0x0000007f | |
| 231 | #define ETXD_B1CNT_MASK 0x0007ff00 | |
| 232 | #define ETXD_B1CNT_SHIFT 8 | |
| 233 | #define ETXD_B2CNT_MASK 0x7ff00000 | |
| 234 | #define ETXD_B2CNT_SHIFT 20 | |
| 235 | ||
| 236 | /* | |
| 237 | * Bytebus device space | |
| 238 | */ | |
| 239 | #define IOC3_BYTEBUS_DEV0 0x80000L | |
| 240 | #define IOC3_BYTEBUS_DEV1 0xa0000L | |
| 241 | #define IOC3_BYTEBUS_DEV2 0xc0000L | |
| 242 | #define IOC3_BYTEBUS_DEV3 0xe0000L | |
| 243 | ||
| 244 | /* ------------------------------------------------------------------------- */ | |
| 245 | ||
| 246 | /* Superio Registers (PIO Access) */ | |
| 247 | #define IOC3_SIO_BASE 0x20000 | |
| 248 | #define IOC3_SIO_UARTC (IOC3_SIO_BASE+0x141) /* UART Config */ | |
| 249 | #define IOC3_SIO_KBDCG (IOC3_SIO_BASE+0x142) /* KBD Config */ | |
| 250 | #define IOC3_SIO_PP_BASE (IOC3_SIO_BASE+PP_BASE) /* Parallel Port */ | |
| 251 | #define IOC3_SIO_RTC_BASE (IOC3_SIO_BASE+0x168) /* Real Time Clock */ | |
| 252 | #define IOC3_SIO_UB_BASE (IOC3_SIO_BASE+UARTB_BASE) /* UART B */ | |
| 253 | #define IOC3_SIO_UA_BASE (IOC3_SIO_BASE+UARTA_BASE) /* UART A */ | |
| 254 | ||
| 255 | /* SSRAM Diagnostic Access */ | |
| 256 | #define IOC3_SSRAM IOC3_RAM_OFF /* base of SSRAM diagnostic access */ | |
| 257 | #define IOC3_SSRAM_LEN 0x40000 /* 256kb (address space size, may not be fully populated) */ | |
| 258 | #define IOC3_SSRAM_DM 0x0000ffff /* data mask */ | |
| 259 | #define IOC3_SSRAM_PM 0x00010000 /* parity mask */ | |
| 260 | ||
| 261 | /* bitmasks for PCI_SCR */ | |
| 262 | #define PCI_SCR_PAR_RESP_EN 0x00000040 /* enb PCI parity checking */ | |
| 263 | #define PCI_SCR_SERR_EN 0x00000100 /* enable the SERR# driver */ | |
| 264 | #define PCI_SCR_DROP_MODE_EN 0x00008000 /* drop pios on parity err */ | |
| 265 | #define PCI_SCR_RX_SERR (0x1 << 16) | |
| 266 | #define PCI_SCR_DROP_MODE (0x1 << 17) | |
| 267 | #define PCI_SCR_SIG_PAR_ERR (0x1 << 24) | |
| 268 | #define PCI_SCR_SIG_TAR_ABRT (0x1 << 27) | |
| 269 | #define PCI_SCR_RX_TAR_ABRT (0x1 << 28) | |
| 270 | #define PCI_SCR_SIG_MST_ABRT (0x1 << 29) | |
| 271 | #define PCI_SCR_SIG_SERR (0x1 << 30) | |
| 272 | #define PCI_SCR_PAR_ERR (0x1 << 31) | |
| 273 | ||
| 274 | /* bitmasks for IOC3_KM_CSR */ | |
| 275 | #define KM_CSR_K_WRT_PEND 0x00000001 /* kbd port xmitting or resetting */ | |
| 276 | #define KM_CSR_M_WRT_PEND 0x00000002 /* mouse port xmitting or resetting */ | |
| 277 | #define KM_CSR_K_LCB 0x00000004 /* Line Cntrl Bit for last KBD write */ | |
| 278 | #define KM_CSR_M_LCB 0x00000008 /* same for mouse */ | |
| 279 | #define KM_CSR_K_DATA 0x00000010 /* state of kbd data line */ | |
| 280 | #define KM_CSR_K_CLK 0x00000020 /* state of kbd clock line */ | |
| 281 | #define KM_CSR_K_PULL_DATA 0x00000040 /* pull kbd data line low */ | |
| 282 | #define KM_CSR_K_PULL_CLK 0x00000080 /* pull kbd clock line low */ | |
| 283 | #define KM_CSR_M_DATA 0x00000100 /* state of ms data line */ | |
| 284 | #define KM_CSR_M_CLK 0x00000200 /* state of ms clock line */ | |
| 285 | #define KM_CSR_M_PULL_DATA 0x00000400 /* pull ms data line low */ | |
| 286 | #define KM_CSR_M_PULL_CLK 0x00000800 /* pull ms clock line low */ | |
| 287 | #define KM_CSR_EMM_MODE 0x00001000 /* emulation mode */ | |
| 288 | #define KM_CSR_SIM_MODE 0x00002000 /* clock X8 */ | |
| 289 | #define KM_CSR_K_SM_IDLE 0x00004000 /* Keyboard is idle */ | |
| 290 | #define KM_CSR_M_SM_IDLE 0x00008000 /* Mouse is idle */ | |
| 291 | #define KM_CSR_K_TO 0x00010000 /* Keyboard trying to send/receive */ | |
| 292 | #define KM_CSR_M_TO 0x00020000 /* Mouse trying to send/receive */ | |
| 293 | #define KM_CSR_K_TO_EN 0x00040000 /* KM_CSR_K_TO + KM_CSR_K_TO_EN = cause | |
| 294 | SIO_IR to assert */ | |
| 295 | #define KM_CSR_M_TO_EN 0x00080000 /* KM_CSR_M_TO + KM_CSR_M_TO_EN = cause | |
| 296 | SIO_IR to assert */ | |
| 297 | #define KM_CSR_K_CLAMP_ONE 0x00100000 /* Pull K_CLK low after rec. one char */ | |
| 298 | #define KM_CSR_M_CLAMP_ONE 0x00200000 /* Pull M_CLK low after rec. one char */ | |
| 299 | #define KM_CSR_K_CLAMP_THREE 0x00400000 /* Pull K_CLK low after rec. three chars */ | |
| 300 | #define KM_CSR_M_CLAMP_THREE 0x00800000 /* Pull M_CLK low after rec. three char */ | |
| 301 | ||
| 302 | /* bitmasks for IOC3_K_RD and IOC3_M_RD */ | |
| 303 | #define KM_RD_DATA_2 0x000000ff /* 3rd char recvd since last read */ | |
| 304 | #define KM_RD_DATA_2_SHIFT 0 | |
| 305 | #define KM_RD_DATA_1 0x0000ff00 /* 2nd char recvd since last read */ | |
| 306 | #define KM_RD_DATA_1_SHIFT 8 | |
| 307 | #define KM_RD_DATA_0 0x00ff0000 /* 1st char recvd since last read */ | |
| 308 | #define KM_RD_DATA_0_SHIFT 16 | |
| 309 | #define KM_RD_FRAME_ERR_2 0x01000000 /* framing or parity error in byte 2 */ | |
| 310 | #define KM_RD_FRAME_ERR_1 0x02000000 /* same for byte 1 */ | |
| 311 | #define KM_RD_FRAME_ERR_0 0x04000000 /* same for byte 0 */ | |
| 312 | ||
| 313 | #define KM_RD_KBD_MSE 0x08000000 /* 0 if from kbd, 1 if from mouse */ | |
| 314 | #define KM_RD_OFLO 0x10000000 /* 4th char recvd before this read */ | |
| 315 | #define KM_RD_VALID_2 0x20000000 /* DATA_2 valid */ | |
| 316 | #define KM_RD_VALID_1 0x40000000 /* DATA_1 valid */ | |
| 317 | #define KM_RD_VALID_0 0x80000000 /* DATA_0 valid */ | |
| 318 | #define KM_RD_VALID_ALL (KM_RD_VALID_0|KM_RD_VALID_1|KM_RD_VALID_2) | |
| 319 | ||
| 320 | /* bitmasks for IOC3_K_WD & IOC3_M_WD */ | |
| 321 | #define KM_WD_WRT_DATA 0x000000ff /* write to keyboard/mouse port */ | |
| 322 | #define KM_WD_WRT_DATA_SHIFT 0 | |
| 323 | ||
| 324 | /* bitmasks for serial RX status byte */ | |
| 325 | #define RXSB_OVERRUN 0x01 /* char(s) lost */ | |
| 326 | #define RXSB_PAR_ERR 0x02 /* parity error */ | |
| 327 | #define RXSB_FRAME_ERR 0x04 /* framing error */ | |
| 328 | #define RXSB_BREAK 0x08 /* break character */ | |
| 329 | #define RXSB_CTS 0x10 /* state of CTS */ | |
| 330 | #define RXSB_DCD 0x20 /* state of DCD */ | |
| 331 | #define RXSB_MODEM_VALID 0x40 /* DCD, CTS and OVERRUN are valid */ | |
| 332 | #define RXSB_DATA_VALID 0x80 /* data byte, FRAME_ERR PAR_ERR & BREAK valid */ | |
| 333 | ||
| 334 | /* bitmasks for serial TX control byte */ | |
| 335 | #define TXCB_INT_WHEN_DONE 0x20 /* interrupt after this byte is sent */ | |
| 336 | #define TXCB_INVALID 0x00 /* byte is invalid */ | |
| 337 | #define TXCB_VALID 0x40 /* byte is valid */ | |
| 338 | #define TXCB_MCR 0x80 /* data<7:0> to modem control register */ | |
| 339 | #define TXCB_DELAY 0xc0 /* delay data<7:0> mSec */ | |
| 340 | ||
| 341 | /* bitmasks for IOC3_SBBR_L */ | |
| 342 | #define SBBR_L_SIZE 0x00000001 /* 0 == 1KB rings, 1 == 4KB rings */ | |
| 343 | #define SBBR_L_BASE 0xfffff000 /* lower serial ring base addr */ | |
| 344 | ||
| 345 | /* bitmasks for IOC3_SSCR_<A:B> */ | |
| 346 | #define SSCR_RX_THRESHOLD 0x000001ff /* hiwater mark */ | |
| 347 | #define SSCR_TX_TIMER_BUSY 0x00010000 /* TX timer in progress */ | |
| 348 | #define SSCR_HFC_EN 0x00020000 /* hardware flow control enabled */ | |
| 349 | #define SSCR_RX_RING_DCD 0x00040000 /* post RX record on delta-DCD */ | |
| 350 | #define SSCR_RX_RING_CTS 0x00080000 /* post RX record on delta-CTS */ | |
| 351 | #define SSCR_HIGH_SPD 0x00100000 /* 4X speed */ | |
| 352 | #define SSCR_DIAG 0x00200000 /* bypass clock divider for sim */ | |
| 353 | #define SSCR_RX_DRAIN 0x08000000 /* drain RX buffer to memory */ | |
| 354 | #define SSCR_DMA_EN 0x10000000 /* enable ring buffer DMA */ | |
| 355 | #define SSCR_DMA_PAUSE 0x20000000 /* pause DMA */ | |
| 356 | #define SSCR_PAUSE_STATE 0x40000000 /* sets when PAUSE takes effect */ | |
| 357 | #define SSCR_RESET 0x80000000 /* reset DMA channels */ | |
| 358 | ||
| 92a76f6d | 359 | /* all producer/consumer pointers are the same bitfield */ |
| 1da177e4 LT |
360 | #define PROD_CONS_PTR_4K 0x00000ff8 /* for 4K buffers */ |
| 361 | #define PROD_CONS_PTR_1K 0x000003f8 /* for 1K buffers */ | |
| 362 | #define PROD_CONS_PTR_OFF 3 | |
| 363 | ||
| 364 | /* bitmasks for IOC3_SRCIR_<A:B> */ | |
| 365 | #define SRCIR_ARM 0x80000000 /* arm RX timer */ | |
| 366 | ||
| 367 | /* bitmasks for IOC3_SRPIR_<A:B> */ | |
| 368 | #define SRPIR_BYTE_CNT 0x07000000 /* bytes in packer */ | |
| 369 | #define SRPIR_BYTE_CNT_SHIFT 24 | |
| 370 | ||
| 371 | /* bitmasks for IOC3_STCIR_<A:B> */ | |
| 372 | #define STCIR_BYTE_CNT 0x0f000000 /* bytes in unpacker */ | |
| 373 | #define STCIR_BYTE_CNT_SHIFT 24 | |
| 374 | ||
| 375 | /* bitmasks for IOC3_SHADOW_<A:B> */ | |
| 376 | #define SHADOW_DR 0x00000001 /* data ready */ | |
| 377 | #define SHADOW_OE 0x00000002 /* overrun error */ | |
| 378 | #define SHADOW_PE 0x00000004 /* parity error */ | |
| 379 | #define SHADOW_FE 0x00000008 /* framing error */ | |
| 380 | #define SHADOW_BI 0x00000010 /* break interrupt */ | |
| 381 | #define SHADOW_THRE 0x00000020 /* transmit holding register empty */ | |
| 382 | #define SHADOW_TEMT 0x00000040 /* transmit shift register empty */ | |
| 383 | #define SHADOW_RFCE 0x00000080 /* char in RX fifo has an error */ | |
| 384 | #define SHADOW_DCTS 0x00010000 /* delta clear to send */ | |
| 385 | #define SHADOW_DDCD 0x00080000 /* delta data carrier detect */ | |
| 386 | #define SHADOW_CTS 0x00100000 /* clear to send */ | |
| 387 | #define SHADOW_DCD 0x00800000 /* data carrier detect */ | |
| 388 | #define SHADOW_DTR 0x01000000 /* data terminal ready */ | |
| 389 | #define SHADOW_RTS 0x02000000 /* request to send */ | |
| 390 | #define SHADOW_OUT1 0x04000000 /* 16550 OUT1 bit */ | |
| 391 | #define SHADOW_OUT2 0x08000000 /* 16550 OUT2 bit */ | |
| 392 | #define SHADOW_LOOP 0x10000000 /* loopback enabled */ | |
| 393 | ||
| 394 | /* bitmasks for IOC3_SRTR_<A:B> */ | |
| 395 | #define SRTR_CNT 0x00000fff /* reload value for RX timer */ | |
| 396 | #define SRTR_CNT_VAL 0x0fff0000 /* current value of RX timer */ | |
| 397 | #define SRTR_CNT_VAL_SHIFT 16 | |
| 398 | #define SRTR_HZ 16000 /* SRTR clock frequency */ | |
| 399 | ||
| 400 | /* bitmasks for IOC3_SIO_IR, IOC3_SIO_IEC and IOC3_SIO_IES */ | |
| 401 | #define SIO_IR_SA_TX_MT 0x00000001 /* Serial port A TX empty */ | |
| 402 | #define SIO_IR_SA_RX_FULL 0x00000002 /* port A RX buf full */ | |
| 403 | #define SIO_IR_SA_RX_HIGH 0x00000004 /* port A RX hiwat */ | |
| 404 | #define SIO_IR_SA_RX_TIMER 0x00000008 /* port A RX timeout */ | |
| 405 | #define SIO_IR_SA_DELTA_DCD 0x00000010 /* port A delta DCD */ | |
| 406 | #define SIO_IR_SA_DELTA_CTS 0x00000020 /* port A delta CTS */ | |
| 407 | #define SIO_IR_SA_INT 0x00000040 /* port A pass-thru intr */ | |
| 408 | #define SIO_IR_SA_TX_EXPLICIT 0x00000080 /* port A explicit TX thru */ | |
| 409 | #define SIO_IR_SA_MEMERR 0x00000100 /* port A PCI error */ | |
| 410 | #define SIO_IR_SB_TX_MT 0x00000200 /* */ | |
| 411 | #define SIO_IR_SB_RX_FULL 0x00000400 /* */ | |
| 412 | #define SIO_IR_SB_RX_HIGH 0x00000800 /* */ | |
| 413 | #define SIO_IR_SB_RX_TIMER 0x00001000 /* */ | |
| 414 | #define SIO_IR_SB_DELTA_DCD 0x00002000 /* */ | |
| 415 | #define SIO_IR_SB_DELTA_CTS 0x00004000 /* */ | |
| 416 | #define SIO_IR_SB_INT 0x00008000 /* */ | |
| 417 | #define SIO_IR_SB_TX_EXPLICIT 0x00010000 /* */ | |
| 418 | #define SIO_IR_SB_MEMERR 0x00020000 /* */ | |
| 419 | #define SIO_IR_PP_INT 0x00040000 /* P port pass-thru intr */ | |
| 420 | #define SIO_IR_PP_INTA 0x00080000 /* PP context A thru */ | |
| 421 | #define SIO_IR_PP_INTB 0x00100000 /* PP context B thru */ | |
| 422 | #define SIO_IR_PP_MEMERR 0x00200000 /* PP PCI error */ | |
| 423 | #define SIO_IR_KBD_INT 0x00400000 /* kbd/mouse intr */ | |
| 424 | #define SIO_IR_RT_INT 0x08000000 /* RT output pulse */ | |
| 425 | #define SIO_IR_GEN_INT1 0x10000000 /* RT input pulse */ | |
| 426 | #define SIO_IR_GEN_INT_SHIFT 28 | |
| 427 | ||
| 428 | /* per device interrupt masks */ | |
| 429 | #define SIO_IR_SA (SIO_IR_SA_TX_MT | SIO_IR_SA_RX_FULL | \ | |
| 430 | SIO_IR_SA_RX_HIGH | SIO_IR_SA_RX_TIMER | \ | |
| 431 | SIO_IR_SA_DELTA_DCD | SIO_IR_SA_DELTA_CTS | \ | |
| 432 | SIO_IR_SA_INT | SIO_IR_SA_TX_EXPLICIT | \ | |
| 433 | SIO_IR_SA_MEMERR) | |
| 434 | #define SIO_IR_SB (SIO_IR_SB_TX_MT | SIO_IR_SB_RX_FULL | \ | |
| 435 | SIO_IR_SB_RX_HIGH | SIO_IR_SB_RX_TIMER | \ | |
| 436 | SIO_IR_SB_DELTA_DCD | SIO_IR_SB_DELTA_CTS | \ | |
| 437 | SIO_IR_SB_INT | SIO_IR_SB_TX_EXPLICIT | \ | |
| 438 | SIO_IR_SB_MEMERR) | |
| 439 | #define SIO_IR_PP (SIO_IR_PP_INT | SIO_IR_PP_INTA | \ | |
| 440 | SIO_IR_PP_INTB | SIO_IR_PP_MEMERR) | |
| 441 | #define SIO_IR_RT (SIO_IR_RT_INT | SIO_IR_GEN_INT1) | |
| 442 | ||
| 443 | /* macro to load pending interrupts */ | |
| 444 | #define IOC3_PENDING_INTRS(mem) (PCI_INW(&((mem)->sio_ir)) & \ | |
| 445 | PCI_INW(&((mem)->sio_ies_ro))) | |
| 446 | ||
| 447 | /* bitmasks for SIO_CR */ | |
| 448 | #define SIO_CR_SIO_RESET 0x00000001 /* reset the SIO */ | |
| 449 | #define SIO_CR_SER_A_BASE 0x000000fe /* DMA poll addr port A */ | |
| 450 | #define SIO_CR_SER_A_BASE_SHIFT 1 | |
| 451 | #define SIO_CR_SER_B_BASE 0x00007f00 /* DMA poll addr port B */ | |
| 452 | #define SIO_CR_SER_B_BASE_SHIFT 8 | |
| 453 | #define SIO_SR_CMD_PULSE 0x00078000 /* byte bus strobe length */ | |
| 454 | #define SIO_CR_CMD_PULSE_SHIFT 15 | |
| 455 | #define SIO_CR_ARB_DIAG 0x00380000 /* cur !enet PCI requet (ro) */ | |
| 456 | #define SIO_CR_ARB_DIAG_TXA 0x00000000 | |
| 457 | #define SIO_CR_ARB_DIAG_RXA 0x00080000 | |
| 458 | #define SIO_CR_ARB_DIAG_TXB 0x00100000 | |
| 459 | #define SIO_CR_ARB_DIAG_RXB 0x00180000 | |
| 460 | #define SIO_CR_ARB_DIAG_PP 0x00200000 | |
| 461 | #define SIO_CR_ARB_DIAG_IDLE 0x00400000 /* 0 -> active request (ro) */ | |
| 462 | ||
| 463 | /* bitmasks for INT_OUT */ | |
| 464 | #define INT_OUT_COUNT 0x0000ffff /* pulse interval timer */ | |
| 465 | #define INT_OUT_MODE 0x00070000 /* mode mask */ | |
| 466 | #define INT_OUT_MODE_0 0x00000000 /* set output to 0 */ | |
| 467 | #define INT_OUT_MODE_1 0x00040000 /* set output to 1 */ | |
| 468 | #define INT_OUT_MODE_1PULSE 0x00050000 /* send 1 pulse */ | |
| 469 | #define INT_OUT_MODE_PULSES 0x00060000 /* send 1 pulse every interval */ | |
| 470 | #define INT_OUT_MODE_SQW 0x00070000 /* toggle output every interval */ | |
| 471 | #define INT_OUT_DIAG 0x40000000 /* diag mode */ | |
| 472 | #define INT_OUT_INT_OUT 0x80000000 /* current state of INT_OUT */ | |
| 473 | ||
| 474 | /* time constants for INT_OUT */ | |
| 475 | #define INT_OUT_NS_PER_TICK (30 * 260) /* 30 ns PCI clock, divisor=260 */ | |
| 476 | #define INT_OUT_TICKS_PER_PULSE 3 /* outgoing pulse lasts 3 ticks */ | |
| 477 | #define INT_OUT_US_TO_COUNT(x) /* convert uS to a count value */ \ | |
| 478 | (((x) * 10 + INT_OUT_NS_PER_TICK / 200) * \ | |
| 479 | 100 / INT_OUT_NS_PER_TICK - 1) | |
| 480 | #define INT_OUT_COUNT_TO_US(x) /* convert count value to uS */ \ | |
| 481 | (((x) + 1) * INT_OUT_NS_PER_TICK / 1000) | |
| 482 | #define INT_OUT_MIN_TICKS 3 /* min period is width of pulse in "ticks" */ | |
| 483 | #define INT_OUT_MAX_TICKS INT_OUT_COUNT /* largest possible count */ | |
| 484 | ||
| 485 | /* bitmasks for GPCR */ | |
| 486 | #define GPCR_DIR 0x000000ff /* tristate pin input or output */ | |
| 487 | #define GPCR_DIR_PIN(x) (1<<(x)) /* access one of the DIR bits */ | |
| 488 | #define GPCR_EDGE 0x000f0000 /* extint edge or level sensitive */ | |
| 489 | #define GPCR_EDGE_PIN(x) (1<<((x)+15)) /* access one of the EDGE bits */ | |
| 490 | ||
| 491 | /* values for GPCR */ | |
| 492 | #define GPCR_INT_OUT_EN 0x00100000 /* enable INT_OUT to pin 0 */ | |
| 493 | #define GPCR_MLAN_EN 0x00200000 /* enable MCR to pin 8 */ | |
| 494 | #define GPCR_DIR_SERA_XCVR 0x00000080 /* Port A Transceiver select enable */ | |
| 495 | #define GPCR_DIR_SERB_XCVR 0x00000040 /* Port B Transceiver select enable */ | |
| 496 | #define GPCR_DIR_PHY_RST 0x00000020 /* ethernet PHY reset enable */ | |
| 497 | ||
| 498 | /* defs for some of the generic I/O pins */ | |
| 499 | #define GPCR_PHY_RESET 0x20 /* pin is output to PHY reset */ | |
| 500 | #define GPCR_UARTB_MODESEL 0x40 /* pin is output to port B mode sel */ | |
| 501 | #define GPCR_UARTA_MODESEL 0x80 /* pin is output to port A mode sel */ | |
| 502 | ||
| 503 | #define GPPR_PHY_RESET_PIN 5 /* GIO pin controlling phy reset */ | |
| 504 | #define GPPR_UARTB_MODESEL_PIN 6 /* GIO pin controlling uart b mode select */ | |
| 505 | #define GPPR_UARTA_MODESEL_PIN 7 /* GIO pin controlling uart a mode select */ | |
| 506 | ||
| 507 | #define EMCR_DUPLEX 0x00000001 | |
| 508 | #define EMCR_PROMISC 0x00000002 | |
| 509 | #define EMCR_PADEN 0x00000004 | |
| 510 | #define EMCR_RXOFF_MASK 0x000001f8 | |
| 511 | #define EMCR_RXOFF_SHIFT 3 | |
| 512 | #define EMCR_RAMPAR 0x00000200 | |
| 513 | #define EMCR_BADPAR 0x00000800 | |
| 514 | #define EMCR_BUFSIZ 0x00001000 | |
| 515 | #define EMCR_TXDMAEN 0x00002000 | |
| 516 | #define EMCR_TXEN 0x00004000 | |
| 517 | #define EMCR_RXDMAEN 0x00008000 | |
| 518 | #define EMCR_RXEN 0x00010000 | |
| 519 | #define EMCR_LOOPBACK 0x00020000 | |
| 520 | #define EMCR_ARB_DIAG 0x001c0000 | |
| 521 | #define EMCR_ARB_DIAG_IDLE 0x00200000 | |
| 522 | #define EMCR_RST 0x80000000 | |
| 523 | ||
| 524 | #define EISR_RXTIMERINT 0x00000001 | |
| 525 | #define EISR_RXTHRESHINT 0x00000002 | |
| 526 | #define EISR_RXOFLO 0x00000004 | |
| 527 | #define EISR_RXBUFOFLO 0x00000008 | |
| 528 | #define EISR_RXMEMERR 0x00000010 | |
| 529 | #define EISR_RXPARERR 0x00000020 | |
| 530 | #define EISR_TXEMPTY 0x00010000 | |
| 531 | #define EISR_TXRTRY 0x00020000 | |
| 532 | #define EISR_TXEXDEF 0x00040000 | |
| 533 | #define EISR_TXLCOL 0x00080000 | |
| 534 | #define EISR_TXGIANT 0x00100000 | |
| 535 | #define EISR_TXBUFUFLO 0x00200000 | |
| 536 | #define EISR_TXEXPLICIT 0x00400000 | |
| 537 | #define EISR_TXCOLLWRAP 0x00800000 | |
| 538 | #define EISR_TXDEFERWRAP 0x01000000 | |
| 539 | #define EISR_TXMEMERR 0x02000000 | |
| 540 | #define EISR_TXPARERR 0x04000000 | |
| 541 | ||
| 542 | #define ERCSR_THRESH_MASK 0x000001ff /* enet RX threshold */ | |
| 543 | #define ERCSR_RX_TMR 0x40000000 /* simulation only */ | |
| 544 | #define ERCSR_DIAG_OFLO 0x80000000 /* simulation only */ | |
| 545 | ||
| 546 | #define ERBR_ALIGNMENT 4096 | |
| 547 | #define ERBR_L_RXRINGBASE_MASK 0xfffff000 | |
| 548 | ||
| 549 | #define ERBAR_BARRIER_BIT 0x0100 | |
| 550 | #define ERBAR_RXBARR_MASK 0xffff0000 | |
| 551 | #define ERBAR_RXBARR_SHIFT 16 | |
| 552 | ||
| 553 | #define ERCIR_RXCONSUME_MASK 0x00000fff | |
| 554 | ||
| 555 | #define ERPIR_RXPRODUCE_MASK 0x00000fff | |
| 556 | #define ERPIR_ARM 0x80000000 | |
| 557 | ||
| 558 | #define ERTR_CNT_MASK 0x000007ff | |
| 559 | ||
| 560 | #define ETCSR_IPGT_MASK 0x0000007f | |
| 561 | #define ETCSR_IPGR1_MASK 0x00007f00 | |
| 562 | #define ETCSR_IPGR1_SHIFT 8 | |
| 563 | #define ETCSR_IPGR2_MASK 0x007f0000 | |
| 564 | #define ETCSR_IPGR2_SHIFT 16 | |
| 565 | #define ETCSR_NOTXCLK 0x80000000 | |
| 566 | ||
| 567 | #define ETCDC_COLLCNT_MASK 0x0000ffff | |
| 568 | #define ETCDC_DEFERCNT_MASK 0xffff0000 | |
| 569 | #define ETCDC_DEFERCNT_SHIFT 16 | |
| 570 | ||
| 571 | #define ETBR_ALIGNMENT (64*1024) | |
| 572 | #define ETBR_L_RINGSZ_MASK 0x00000001 | |
| 573 | #define ETBR_L_RINGSZ128 0 | |
| 574 | #define ETBR_L_RINGSZ512 1 | |
| 575 | #define ETBR_L_TXRINGBASE_MASK 0xffffc000 | |
| 576 | ||
| 577 | #define ETCIR_TXCONSUME_MASK 0x0000ffff | |
| 578 | #define ETCIR_IDLE 0x80000000 | |
| 579 | ||
| 580 | #define ETPIR_TXPRODUCE_MASK 0x0000ffff | |
| 581 | ||
| 582 | #define EBIR_TXBUFPROD_MASK 0x0000001f | |
| 583 | #define EBIR_TXBUFCONS_MASK 0x00001f00 | |
| 584 | #define EBIR_TXBUFCONS_SHIFT 8 | |
| 585 | #define EBIR_RXBUFPROD_MASK 0x007fc000 | |
| 586 | #define EBIR_RXBUFPROD_SHIFT 14 | |
| 587 | #define EBIR_RXBUFCONS_MASK 0xff800000 | |
| 588 | #define EBIR_RXBUFCONS_SHIFT 23 | |
| 589 | ||
| 590 | #define MICR_REGADDR_MASK 0x0000001f | |
| 591 | #define MICR_PHYADDR_MASK 0x000003e0 | |
| 592 | #define MICR_PHYADDR_SHIFT 5 | |
| 593 | #define MICR_READTRIG 0x00000400 | |
| 594 | #define MICR_BUSY 0x00000800 | |
| 595 | ||
| 596 | #define MIDR_DATA_MASK 0x0000ffff | |
| 597 | ||
| 598 | #define ERXBUF_IPCKSUM_MASK 0x0000ffff | |
| 599 | #define ERXBUF_BYTECNT_MASK 0x07ff0000 | |
| 600 | #define ERXBUF_BYTECNT_SHIFT 16 | |
| 601 | #define ERXBUF_V 0x80000000 | |
| 602 | ||
| 603 | #define ERXBUF_CRCERR 0x00000001 /* aka RSV15 */ | |
| 604 | #define ERXBUF_FRAMERR 0x00000002 /* aka RSV14 */ | |
| 605 | #define ERXBUF_CODERR 0x00000004 /* aka RSV13 */ | |
| 606 | #define ERXBUF_INVPREAMB 0x00000008 /* aka RSV18 */ | |
| 607 | #define ERXBUF_LOLEN 0x00007000 /* aka RSV2_0 */ | |
| 608 | #define ERXBUF_HILEN 0x03ff0000 /* aka RSV12_3 */ | |
| 609 | #define ERXBUF_MULTICAST 0x04000000 /* aka RSV16 */ | |
| 610 | #define ERXBUF_BROADCAST 0x08000000 /* aka RSV17 */ | |
| 611 | #define ERXBUF_LONGEVENT 0x10000000 /* aka RSV19 */ | |
| 612 | #define ERXBUF_BADPKT 0x20000000 /* aka RSV20 */ | |
| 613 | #define ERXBUF_GOODPKT 0x40000000 /* aka RSV21 */ | |
| 614 | #define ERXBUF_CARRIER 0x80000000 /* aka RSV22 */ | |
| 615 | ||
| 616 | #define ETXD_BYTECNT_MASK 0x000007ff /* total byte count */ | |
| 617 | #define ETXD_INTWHENDONE 0x00001000 /* intr when done */ | |
| 618 | #define ETXD_D0V 0x00010000 /* data 0 valid */ | |
| 619 | #define ETXD_B1V 0x00020000 /* buf 1 valid */ | |
| 620 | #define ETXD_B2V 0x00040000 /* buf 2 valid */ | |
| 621 | #define ETXD_DOCHECKSUM 0x00080000 /* insert ip cksum */ | |
| 622 | #define ETXD_CHKOFF_MASK 0x07f00000 /* cksum byte offset */ | |
| 623 | #define ETXD_CHKOFF_SHIFT 20 | |
| 624 | ||
| 625 | #define ETXD_D0CNT_MASK 0x0000007f | |
| 626 | #define ETXD_B1CNT_MASK 0x0007ff00 | |
| 627 | #define ETXD_B1CNT_SHIFT 8 | |
| 628 | #define ETXD_B2CNT_MASK 0x7ff00000 | |
| 629 | #define ETXD_B2CNT_SHIFT 20 | |
| 630 | ||
| 631 | typedef enum ioc3_subdevs_e { | |
| 632 | ioc3_subdev_ether, | |
| 633 | ioc3_subdev_generic, | |
| 634 | ioc3_subdev_nic, | |
| 635 | ioc3_subdev_kbms, | |
| 636 | ioc3_subdev_ttya, | |
| 637 | ioc3_subdev_ttyb, | |
| 638 | ioc3_subdev_ecpp, | |
| 639 | ioc3_subdev_rt, | |
| 640 | ioc3_nsubdevs | |
| 641 | } ioc3_subdev_t; | |
| 642 | ||
| 643 | /* subdevice disable bits, | |
| 644 | * from the standard INFO_LBL_SUBDEVS | |
| 645 | */ | |
| 646 | #define IOC3_SDB_ETHER (1<<ioc3_subdev_ether) | |
| 647 | #define IOC3_SDB_GENERIC (1<<ioc3_subdev_generic) | |
| 648 | #define IOC3_SDB_NIC (1<<ioc3_subdev_nic) | |
| 649 | #define IOC3_SDB_KBMS (1<<ioc3_subdev_kbms) | |
| 650 | #define IOC3_SDB_TTYA (1<<ioc3_subdev_ttya) | |
| 651 | #define IOC3_SDB_TTYB (1<<ioc3_subdev_ttyb) | |
| 652 | #define IOC3_SDB_ECPP (1<<ioc3_subdev_ecpp) | |
| 653 | #define IOC3_SDB_RT (1<<ioc3_subdev_rt) | |
| 654 | ||
| 655 | #define IOC3_ALL_SUBDEVS ((1<<ioc3_nsubdevs)-1) | |
| 656 | ||
| 657 | #define IOC3_SDB_SERIAL (IOC3_SDB_TTYA|IOC3_SDB_TTYB) | |
| 658 | ||
| 659 | #define IOC3_STD_SUBDEVS IOC3_ALL_SUBDEVS | |
| 660 | ||
| 661 | #define IOC3_INTA_SUBDEVS IOC3_SDB_ETHER | |
| 662 | #define IOC3_INTB_SUBDEVS (IOC3_SDB_GENERIC|IOC3_SDB_KBMS|IOC3_SDB_SERIAL|IOC3_SDB_ECPP|IOC3_SDB_RT) | |
| 663 | ||
| 664 | #endif /* _IOC3_H */ |