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