diff options
Diffstat (limited to 'arch/mips/include/asm/sn/ioc3.h')
| -rw-r--r-- | arch/mips/include/asm/sn/ioc3.h | 664 |
1 files changed, 664 insertions, 0 deletions
diff --git a/arch/mips/include/asm/sn/ioc3.h b/arch/mips/include/asm/sn/ioc3.h new file mode 100644 index 000000000..25c8dccab --- /dev/null +++ b/arch/mips/include/asm/sn/ioc3.h @@ -0,0 +1,664 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 1999, 2000 Ralf Baechle + * Copyright (C) 1999, 2000 Silicon Graphics, Inc. + */ +#ifndef _IOC3_H +#define _IOC3_H + +#include <linux/types.h> + +/* SUPERIO uart register map */ +typedef volatile struct ioc3_uartregs { + union { + volatile u8 rbr; /* read only, DLAB == 0 */ + volatile u8 thr; /* write only, DLAB == 0 */ + volatile u8 dll; /* DLAB == 1 */ + } u1; + union { + volatile u8 ier; /* DLAB == 0 */ + volatile u8 dlm; /* DLAB == 1 */ + } u2; + union { + volatile u8 iir; /* read only */ + volatile u8 fcr; /* write only */ + } u3; + volatile u8 iu_lcr; + volatile u8 iu_mcr; + volatile u8 iu_lsr; + volatile u8 iu_msr; + volatile u8 iu_scr; +} ioc3_uregs_t; + +#define iu_rbr u1.rbr +#define iu_thr u1.thr +#define iu_dll u1.dll +#define iu_ier u2.ier +#define iu_dlm u2.dlm +#define iu_iir u3.iir +#define iu_fcr u3.fcr + +struct ioc3_sioregs { + volatile u8 fill[0x141]; /* starts at 0x141 */ + + volatile u8 uartc; + volatile u8 kbdcg; + + volatile u8 fill0[0x150 - 0x142 - 1]; + + volatile u8 pp_data; + volatile u8 pp_dsr; + volatile u8 pp_dcr; + + volatile u8 fill1[0x158 - 0x152 - 1]; + + volatile u8 pp_fifa; + volatile u8 pp_cfgb; + volatile u8 pp_ecr; + + volatile u8 fill2[0x168 - 0x15a - 1]; + + volatile u8 rtcad; + volatile u8 rtcdat; + + volatile u8 fill3[0x170 - 0x169 - 1]; + + struct ioc3_uartregs uartb; /* 0x20170 */ + struct ioc3_uartregs uarta; /* 0x20178 */ +}; + +/* Register layout of IOC3 in configuration space. */ +struct ioc3 { + volatile u32 pad0[7]; /* 0x00000 */ + volatile u32 sio_ir; /* 0x0001c */ + volatile u32 sio_ies; /* 0x00020 */ + volatile u32 sio_iec; /* 0x00024 */ + volatile u32 sio_cr; /* 0x00028 */ + volatile u32 int_out; /* 0x0002c */ + volatile u32 mcr; /* 0x00030 */ + + /* General Purpose I/O registers */ + volatile u32 gpcr_s; /* 0x00034 */ + volatile u32 gpcr_c; /* 0x00038 */ + volatile u32 gpdr; /* 0x0003c */ + volatile u32 gppr_0; /* 0x00040 */ + volatile u32 gppr_1; /* 0x00044 */ + volatile u32 gppr_2; /* 0x00048 */ + volatile u32 gppr_3; /* 0x0004c */ + volatile u32 gppr_4; /* 0x00050 */ + volatile u32 gppr_5; /* 0x00054 */ + volatile u32 gppr_6; /* 0x00058 */ + volatile u32 gppr_7; /* 0x0005c */ + volatile u32 gppr_8; /* 0x00060 */ + volatile u32 gppr_9; /* 0x00064 */ + volatile u32 gppr_10; /* 0x00068 */ + volatile u32 gppr_11; /* 0x0006c */ + volatile u32 gppr_12; /* 0x00070 */ + volatile u32 gppr_13; /* 0x00074 */ + volatile u32 gppr_14; /* 0x00078 */ + volatile u32 gppr_15; /* 0x0007c */ + + /* Parallel Port Registers */ + volatile u32 ppbr_h_a; /* 0x00080 */ + volatile u32 ppbr_l_a; /* 0x00084 */ + volatile u32 ppcr_a; /* 0x00088 */ + volatile u32 ppcr; /* 0x0008c */ + volatile u32 ppbr_h_b; /* 0x00090 */ + volatile u32 ppbr_l_b; /* 0x00094 */ + volatile u32 ppcr_b; /* 0x00098 */ + + /* Keyboard and Mouse Registers */ + volatile u32 km_csr; /* 0x0009c */ + volatile u32 k_rd; /* 0x000a0 */ + volatile u32 m_rd; /* 0x000a4 */ + volatile u32 k_wd; /* 0x000a8 */ + volatile u32 m_wd; /* 0x000ac */ + + /* Serial Port Registers */ + volatile u32 sbbr_h; /* 0x000b0 */ + volatile u32 sbbr_l; /* 0x000b4 */ + volatile u32 sscr_a; /* 0x000b8 */ + volatile u32 stpir_a; /* 0x000bc */ + volatile u32 stcir_a; /* 0x000c0 */ + volatile u32 srpir_a; /* 0x000c4 */ + volatile u32 srcir_a; /* 0x000c8 */ + volatile u32 srtr_a; /* 0x000cc */ + volatile u32 shadow_a; /* 0x000d0 */ + volatile u32 sscr_b; /* 0x000d4 */ + volatile u32 stpir_b; /* 0x000d8 */ + volatile u32 stcir_b; /* 0x000dc */ + volatile u32 srpir_b; /* 0x000e0 */ + volatile u32 srcir_b; /* 0x000e4 */ + volatile u32 srtr_b; /* 0x000e8 */ + volatile u32 shadow_b; /* 0x000ec */ + + /* Ethernet Registers */ + volatile u32 emcr; /* 0x000f0 */ + volatile u32 eisr; /* 0x000f4 */ + volatile u32 eier; /* 0x000f8 */ + volatile u32 ercsr; /* 0x000fc */ + volatile u32 erbr_h; /* 0x00100 */ + volatile u32 erbr_l; /* 0x00104 */ + volatile u32 erbar; /* 0x00108 */ + volatile u32 ercir; /* 0x0010c */ + volatile u32 erpir; /* 0x00110 */ + volatile u32 ertr; /* 0x00114 */ + volatile u32 etcsr; /* 0x00118 */ + volatile u32 ersr; /* 0x0011c */ + volatile u32 etcdc; /* 0x00120 */ + volatile u32 ebir; /* 0x00124 */ + volatile u32 etbr_h; /* 0x00128 */ + volatile u32 etbr_l; /* 0x0012c */ + volatile u32 etcir; /* 0x00130 */ + volatile u32 etpir; /* 0x00134 */ + volatile u32 emar_h; /* 0x00138 */ + volatile u32 emar_l; /* 0x0013c */ + volatile u32 ehar_h; /* 0x00140 */ + volatile u32 ehar_l; /* 0x00144 */ + volatile u32 micr; /* 0x00148 */ + volatile u32 midr_r; /* 0x0014c */ + volatile u32 midr_w; /* 0x00150 */ + volatile u32 pad1[(0x20000 - 0x00154) / 4]; + + /* SuperIO Registers XXX */ + struct ioc3_sioregs sregs; /* 0x20000 */ + volatile u32 pad2[(0x40000 - 0x20180) / 4]; + + /* SSRAM Diagnostic Access */ + volatile u32 ssram[(0x80000 - 0x40000) / 4]; + + /* Bytebus device offsets + 0x80000 - Access to the generic devices selected with DEV0 + 0x9FFFF bytebus DEV_SEL_0 + 0xA0000 - Access to the generic devices selected with DEV1 + 0xBFFFF bytebus DEV_SEL_1 + 0xC0000 - Access to the generic devices selected with DEV2 + 0xDFFFF bytebus DEV_SEL_2 + 0xE0000 - Access to the generic devices selected with DEV3 + 0xFFFFF bytebus DEV_SEL_3 */ +}; + +/* + * Ethernet RX Buffer + */ +struct ioc3_erxbuf { + u32 w0; /* first word (valid,bcnt,cksum) */ + u32 err; /* second word various errors */ + /* next comes n bytes of padding */ + /* then the received ethernet frame itself */ +}; + +#define ERXBUF_IPCKSUM_MASK 0x0000ffff +#define ERXBUF_BYTECNT_MASK 0x07ff0000 +#define ERXBUF_BYTECNT_SHIFT 16 +#define ERXBUF_V 0x80000000 + +#define ERXBUF_CRCERR 0x00000001 /* aka RSV15 */ +#define ERXBUF_FRAMERR 0x00000002 /* aka RSV14 */ +#define ERXBUF_CODERR 0x00000004 /* aka RSV13 */ +#define ERXBUF_INVPREAMB 0x00000008 /* aka RSV18 */ +#define ERXBUF_LOLEN 0x00007000 /* aka RSV2_0 */ +#define ERXBUF_HILEN 0x03ff0000 /* aka RSV12_3 */ +#define ERXBUF_MULTICAST 0x04000000 /* aka RSV16 */ +#define ERXBUF_BROADCAST 0x08000000 /* aka RSV17 */ +#define ERXBUF_LONGEVENT 0x10000000 /* aka RSV19 */ +#define ERXBUF_BADPKT 0x20000000 /* aka RSV20 */ +#define ERXBUF_GOODPKT 0x40000000 /* aka RSV21 */ +#define ERXBUF_CARRIER 0x80000000 /* aka RSV22 */ + +/* + * Ethernet TX Descriptor + */ +#define ETXD_DATALEN 104 +struct ioc3_etxd { + u32 cmd; /* command field */ + u32 bufcnt; /* buffer counts field */ + u64 p1; /* buffer pointer 1 */ + u64 p2; /* buffer pointer 2 */ + u8 data[ETXD_DATALEN]; /* opt. tx data */ +}; + +#define ETXD_BYTECNT_MASK 0x000007ff /* total byte count */ +#define ETXD_INTWHENDONE 0x00001000 /* intr when done */ +#define ETXD_D0V 0x00010000 /* data 0 valid */ +#define ETXD_B1V 0x00020000 /* buf 1 valid */ +#define ETXD_B2V 0x00040000 /* buf 2 valid */ +#define ETXD_DOCHECKSUM 0x00080000 /* insert ip cksum */ +#define ETXD_CHKOFF_MASK 0x07f00000 /* cksum byte offset */ +#define ETXD_CHKOFF_SHIFT 20 + +#define ETXD_D0CNT_MASK 0x0000007f +#define ETXD_B1CNT_MASK 0x0007ff00 +#define ETXD_B1CNT_SHIFT 8 +#define ETXD_B2CNT_MASK 0x7ff00000 +#define ETXD_B2CNT_SHIFT 20 + +/* + * Bytebus device space + */ +#define IOC3_BYTEBUS_DEV0 0x80000L +#define IOC3_BYTEBUS_DEV1 0xa0000L +#define IOC3_BYTEBUS_DEV2 0xc0000L +#define IOC3_BYTEBUS_DEV3 0xe0000L + +/* ------------------------------------------------------------------------- */ + +/* Superio Registers (PIO Access) */ +#define IOC3_SIO_BASE 0x20000 +#define IOC3_SIO_UARTC (IOC3_SIO_BASE+0x141) /* UART Config */ +#define IOC3_SIO_KBDCG (IOC3_SIO_BASE+0x142) /* KBD Config */ +#define IOC3_SIO_PP_BASE (IOC3_SIO_BASE+PP_BASE) /* Parallel Port */ +#define IOC3_SIO_RTC_BASE (IOC3_SIO_BASE+0x168) /* Real Time Clock */ +#define IOC3_SIO_UB_BASE (IOC3_SIO_BASE+UARTB_BASE) /* UART B */ +#define IOC3_SIO_UA_BASE (IOC3_SIO_BASE+UARTA_BASE) /* UART A */ + +/* SSRAM Diagnostic Access */ +#define IOC3_SSRAM IOC3_RAM_OFF /* base of SSRAM diagnostic access */ +#define IOC3_SSRAM_LEN 0x40000 /* 256kb (address space size, may not be fully populated) */ +#define IOC3_SSRAM_DM 0x0000ffff /* data mask */ +#define IOC3_SSRAM_PM 0x00010000 /* parity mask */ + +/* bitmasks for PCI_SCR */ +#define PCI_SCR_PAR_RESP_EN 0x00000040 /* enb PCI parity checking */ +#define PCI_SCR_SERR_EN 0x00000100 /* enable the SERR# driver */ +#define PCI_SCR_DROP_MODE_EN 0x00008000 /* drop pios on parity err */ +#define PCI_SCR_RX_SERR (0x1 << 16) +#define PCI_SCR_DROP_MODE (0x1 << 17) +#define PCI_SCR_SIG_PAR_ERR (0x1 << 24) +#define PCI_SCR_SIG_TAR_ABRT (0x1 << 27) +#define PCI_SCR_RX_TAR_ABRT (0x1 << 28) +#define PCI_SCR_SIG_MST_ABRT (0x1 << 29) +#define PCI_SCR_SIG_SERR (0x1 << 30) +#define PCI_SCR_PAR_ERR (0x1 << 31) + +/* bitmasks for IOC3_KM_CSR */ +#define KM_CSR_K_WRT_PEND 0x00000001 /* kbd port xmitting or resetting */ +#define KM_CSR_M_WRT_PEND 0x00000002 /* mouse port xmitting or resetting */ +#define KM_CSR_K_LCB 0x00000004 /* Line Cntrl Bit for last KBD write */ +#define KM_CSR_M_LCB 0x00000008 /* same for mouse */ +#define KM_CSR_K_DATA 0x00000010 /* state of kbd data line */ +#define KM_CSR_K_CLK 0x00000020 /* state of kbd clock line */ +#define KM_CSR_K_PULL_DATA 0x00000040 /* pull kbd data line low */ +#define KM_CSR_K_PULL_CLK 0x00000080 /* pull kbd clock line low */ +#define KM_CSR_M_DATA 0x00000100 /* state of ms data line */ +#define KM_CSR_M_CLK 0x00000200 /* state of ms clock line */ +#define KM_CSR_M_PULL_DATA 0x00000400 /* pull ms data line low */ +#define KM_CSR_M_PULL_CLK 0x00000800 /* pull ms clock line low */ +#define KM_CSR_EMM_MODE 0x00001000 /* emulation mode */ +#define KM_CSR_SIM_MODE 0x00002000 /* clock X8 */ +#define KM_CSR_K_SM_IDLE 0x00004000 /* Keyboard is idle */ +#define KM_CSR_M_SM_IDLE 0x00008000 /* Mouse is idle */ +#define KM_CSR_K_TO 0x00010000 /* Keyboard trying to send/receive */ +#define KM_CSR_M_TO 0x00020000 /* Mouse trying to send/receive */ +#define KM_CSR_K_TO_EN 0x00040000 /* KM_CSR_K_TO + KM_CSR_K_TO_EN = cause + SIO_IR to assert */ +#define KM_CSR_M_TO_EN 0x00080000 /* KM_CSR_M_TO + KM_CSR_M_TO_EN = cause + SIO_IR to assert */ +#define KM_CSR_K_CLAMP_ONE 0x00100000 /* Pull K_CLK low after rec. one char */ +#define KM_CSR_M_CLAMP_ONE 0x00200000 /* Pull M_CLK low after rec. one char */ +#define KM_CSR_K_CLAMP_THREE 0x00400000 /* Pull K_CLK low after rec. three chars */ +#define KM_CSR_M_CLAMP_THREE 0x00800000 /* Pull M_CLK low after rec. three char */ + +/* bitmasks for IOC3_K_RD and IOC3_M_RD */ +#define KM_RD_DATA_2 0x000000ff /* 3rd char recvd since last read */ +#define KM_RD_DATA_2_SHIFT 0 +#define KM_RD_DATA_1 0x0000ff00 /* 2nd char recvd since last read */ +#define KM_RD_DATA_1_SHIFT 8 +#define KM_RD_DATA_0 0x00ff0000 /* 1st char recvd since last read */ +#define KM_RD_DATA_0_SHIFT 16 +#define KM_RD_FRAME_ERR_2 0x01000000 /* framing or parity error in byte 2 */ +#define KM_RD_FRAME_ERR_1 0x02000000 /* same for byte 1 */ +#define KM_RD_FRAME_ERR_0 0x04000000 /* same for byte 0 */ + +#define KM_RD_KBD_MSE 0x08000000 /* 0 if from kbd, 1 if from mouse */ +#define KM_RD_OFLO 0x10000000 /* 4th char recvd before this read */ +#define KM_RD_VALID_2 0x20000000 /* DATA_2 valid */ +#define KM_RD_VALID_1 0x40000000 /* DATA_1 valid */ +#define KM_RD_VALID_0 0x80000000 /* DATA_0 valid */ +#define KM_RD_VALID_ALL (KM_RD_VALID_0|KM_RD_VALID_1|KM_RD_VALID_2) + +/* bitmasks for IOC3_K_WD & IOC3_M_WD */ +#define KM_WD_WRT_DATA 0x000000ff /* write to keyboard/mouse port */ +#define KM_WD_WRT_DATA_SHIFT 0 + +/* bitmasks for serial RX status byte */ +#define RXSB_OVERRUN 0x01 /* char(s) lost */ +#define RXSB_PAR_ERR 0x02 /* parity error */ +#define RXSB_FRAME_ERR 0x04 /* framing error */ +#define RXSB_BREAK 0x08 /* break character */ +#define RXSB_CTS 0x10 /* state of CTS */ +#define RXSB_DCD 0x20 /* state of DCD */ +#define RXSB_MODEM_VALID 0x40 /* DCD, CTS and OVERRUN are valid */ +#define RXSB_DATA_VALID 0x80 /* data byte, FRAME_ERR PAR_ERR & BREAK valid */ + +/* bitmasks for serial TX control byte */ +#define TXCB_INT_WHEN_DONE 0x20 /* interrupt after this byte is sent */ +#define TXCB_INVALID 0x00 /* byte is invalid */ +#define TXCB_VALID 0x40 /* byte is valid */ +#define TXCB_MCR 0x80 /* data<7:0> to modem control register */ +#define TXCB_DELAY 0xc0 /* delay data<7:0> mSec */ + +/* bitmasks for IOC3_SBBR_L */ +#define SBBR_L_SIZE 0x00000001 /* 0 == 1KB rings, 1 == 4KB rings */ +#define SBBR_L_BASE 0xfffff000 /* lower serial ring base addr */ + +/* bitmasks for IOC3_SSCR_<A:B> */ +#define SSCR_RX_THRESHOLD 0x000001ff /* hiwater mark */ +#define SSCR_TX_TIMER_BUSY 0x00010000 /* TX timer in progress */ +#define SSCR_HFC_EN 0x00020000 /* hardware flow control enabled */ +#define SSCR_RX_RING_DCD 0x00040000 /* post RX record on delta-DCD */ +#define SSCR_RX_RING_CTS 0x00080000 /* post RX record on delta-CTS */ +#define SSCR_HIGH_SPD 0x00100000 /* 4X speed */ +#define SSCR_DIAG 0x00200000 /* bypass clock divider for sim */ +#define SSCR_RX_DRAIN 0x08000000 /* drain RX buffer to memory */ +#define SSCR_DMA_EN 0x10000000 /* enable ring buffer DMA */ +#define SSCR_DMA_PAUSE 0x20000000 /* pause DMA */ +#define SSCR_PAUSE_STATE 0x40000000 /* sets when PAUSE takes effect */ +#define SSCR_RESET 0x80000000 /* reset DMA channels */ + +/* all producer/consumer pointers are the same bitfield */ +#define PROD_CONS_PTR_4K 0x00000ff8 /* for 4K buffers */ +#define PROD_CONS_PTR_1K 0x000003f8 /* for 1K buffers */ +#define PROD_CONS_PTR_OFF 3 + +/* bitmasks for IOC3_SRCIR_<A:B> */ +#define SRCIR_ARM 0x80000000 /* arm RX timer */ + +/* bitmasks for IOC3_SRPIR_<A:B> */ +#define SRPIR_BYTE_CNT 0x07000000 /* bytes in packer */ +#define SRPIR_BYTE_CNT_SHIFT 24 + +/* bitmasks for IOC3_STCIR_<A:B> */ +#define STCIR_BYTE_CNT 0x0f000000 /* bytes in unpacker */ +#define STCIR_BYTE_CNT_SHIFT 24 + +/* bitmasks for IOC3_SHADOW_<A:B> */ +#define SHADOW_DR 0x00000001 /* data ready */ +#define SHADOW_OE 0x00000002 /* overrun error */ +#define SHADOW_PE 0x00000004 /* parity error */ +#define SHADOW_FE 0x00000008 /* framing error */ +#define SHADOW_BI 0x00000010 /* break interrupt */ +#define SHADOW_THRE 0x00000020 /* transmit holding register empty */ +#define SHADOW_TEMT 0x00000040 /* transmit shift register empty */ +#define SHADOW_RFCE 0x00000080 /* char in RX fifo has an error */ +#define SHADOW_DCTS 0x00010000 /* delta clear to send */ +#define SHADOW_DDCD 0x00080000 /* delta data carrier detect */ +#define SHADOW_CTS 0x00100000 /* clear to send */ +#define SHADOW_DCD 0x00800000 /* data carrier detect */ +#define SHADOW_DTR 0x01000000 /* data terminal ready */ +#define SHADOW_RTS 0x02000000 /* request to send */ +#define SHADOW_OUT1 0x04000000 /* 16550 OUT1 bit */ +#define SHADOW_OUT2 0x08000000 /* 16550 OUT2 bit */ +#define SHADOW_LOOP 0x10000000 /* loopback enabled */ + +/* bitmasks for IOC3_SRTR_<A:B> */ +#define SRTR_CNT 0x00000fff /* reload value for RX timer */ +#define SRTR_CNT_VAL 0x0fff0000 /* current value of RX timer */ +#define SRTR_CNT_VAL_SHIFT 16 +#define SRTR_HZ 16000 /* SRTR clock frequency */ + +/* bitmasks for IOC3_SIO_IR, IOC3_SIO_IEC and IOC3_SIO_IES */ +#define SIO_IR_SA_TX_MT 0x00000001 /* Serial port A TX empty */ +#define SIO_IR_SA_RX_FULL 0x00000002 /* port A RX buf full */ +#define SIO_IR_SA_RX_HIGH 0x00000004 /* port A RX hiwat */ +#define SIO_IR_SA_RX_TIMER 0x00000008 /* port A RX timeout */ +#define SIO_IR_SA_DELTA_DCD 0x00000010 /* port A delta DCD */ +#define SIO_IR_SA_DELTA_CTS 0x00000020 /* port A delta CTS */ +#define SIO_IR_SA_INT 0x00000040 /* port A pass-thru intr */ +#define SIO_IR_SA_TX_EXPLICIT 0x00000080 /* port A explicit TX thru */ +#define SIO_IR_SA_MEMERR 0x00000100 /* port A PCI error */ +#define SIO_IR_SB_TX_MT 0x00000200 /* */ +#define SIO_IR_SB_RX_FULL 0x00000400 /* */ +#define SIO_IR_SB_RX_HIGH 0x00000800 /* */ +#define SIO_IR_SB_RX_TIMER 0x00001000 /* */ +#define SIO_IR_SB_DELTA_DCD 0x00002000 /* */ +#define SIO_IR_SB_DELTA_CTS 0x00004000 /* */ +#define SIO_IR_SB_INT 0x00008000 /* */ +#define SIO_IR_SB_TX_EXPLICIT 0x00010000 /* */ +#define SIO_IR_SB_MEMERR 0x00020000 /* */ +#define SIO_IR_PP_INT 0x00040000 /* P port pass-thru intr */ +#define SIO_IR_PP_INTA 0x00080000 /* PP context A thru */ +#define SIO_IR_PP_INTB 0x00100000 /* PP context B thru */ +#define SIO_IR_PP_MEMERR 0x00200000 /* PP PCI error */ +#define SIO_IR_KBD_INT 0x00400000 /* kbd/mouse intr */ +#define SIO_IR_RT_INT 0x08000000 /* RT output pulse */ +#define SIO_IR_GEN_INT1 0x10000000 /* RT input pulse */ +#define SIO_IR_GEN_INT_SHIFT 28 + +/* per device interrupt masks */ +#define SIO_IR_SA (SIO_IR_SA_TX_MT | SIO_IR_SA_RX_FULL | \ + SIO_IR_SA_RX_HIGH | SIO_IR_SA_RX_TIMER | \ + SIO_IR_SA_DELTA_DCD | SIO_IR_SA_DELTA_CTS | \ + SIO_IR_SA_INT | SIO_IR_SA_TX_EXPLICIT | \ + SIO_IR_SA_MEMERR) +#define SIO_IR_SB (SIO_IR_SB_TX_MT | SIO_IR_SB_RX_FULL | \ + SIO_IR_SB_RX_HIGH | SIO_IR_SB_RX_TIMER | \ + SIO_IR_SB_DELTA_DCD | SIO_IR_SB_DELTA_CTS | \ + SIO_IR_SB_INT | SIO_IR_SB_TX_EXPLICIT | \ + SIO_IR_SB_MEMERR) +#define SIO_IR_PP (SIO_IR_PP_INT | SIO_IR_PP_INTA | \ + SIO_IR_PP_INTB | SIO_IR_PP_MEMERR) +#define SIO_IR_RT (SIO_IR_RT_INT | SIO_IR_GEN_INT1) + +/* macro to load pending interrupts */ +#define IOC3_PENDING_INTRS(mem) (PCI_INW(&((mem)->sio_ir)) & \ + PCI_INW(&((mem)->sio_ies_ro))) + +/* bitmasks for SIO_CR */ +#define SIO_CR_SIO_RESET 0x00000001 /* reset the SIO */ +#define SIO_CR_SER_A_BASE 0x000000fe /* DMA poll addr port A */ +#define SIO_CR_SER_A_BASE_SHIFT 1 +#define SIO_CR_SER_B_BASE 0x00007f00 /* DMA poll addr port B */ +#define SIO_CR_SER_B_BASE_SHIFT 8 +#define SIO_SR_CMD_PULSE 0x00078000 /* byte bus strobe length */ +#define SIO_CR_CMD_PULSE_SHIFT 15 +#define SIO_CR_ARB_DIAG 0x00380000 /* cur !enet PCI requet (ro) */ +#define SIO_CR_ARB_DIAG_TXA 0x00000000 +#define SIO_CR_ARB_DIAG_RXA 0x00080000 +#define SIO_CR_ARB_DIAG_TXB 0x00100000 +#define SIO_CR_ARB_DIAG_RXB 0x00180000 +#define SIO_CR_ARB_DIAG_PP 0x00200000 +#define SIO_CR_ARB_DIAG_IDLE 0x00400000 /* 0 -> active request (ro) */ + +/* bitmasks for INT_OUT */ +#define INT_OUT_COUNT 0x0000ffff /* pulse interval timer */ +#define INT_OUT_MODE 0x00070000 /* mode mask */ +#define INT_OUT_MODE_0 0x00000000 /* set output to 0 */ +#define INT_OUT_MODE_1 0x00040000 /* set output to 1 */ +#define INT_OUT_MODE_1PULSE 0x00050000 /* send 1 pulse */ +#define INT_OUT_MODE_PULSES 0x00060000 /* send 1 pulse every interval */ +#define INT_OUT_MODE_SQW 0x00070000 /* toggle output every interval */ +#define INT_OUT_DIAG 0x40000000 /* diag mode */ +#define INT_OUT_INT_OUT 0x80000000 /* current state of INT_OUT */ + +/* time constants for INT_OUT */ +#define INT_OUT_NS_PER_TICK (30 * 260) /* 30 ns PCI clock, divisor=260 */ +#define INT_OUT_TICKS_PER_PULSE 3 /* outgoing pulse lasts 3 ticks */ +#define INT_OUT_US_TO_COUNT(x) /* convert uS to a count value */ \ + (((x) * 10 + INT_OUT_NS_PER_TICK / 200) * \ + 100 / INT_OUT_NS_PER_TICK - 1) +#define INT_OUT_COUNT_TO_US(x) /* convert count value to uS */ \ + (((x) + 1) * INT_OUT_NS_PER_TICK / 1000) +#define INT_OUT_MIN_TICKS 3 /* min period is width of pulse in "ticks" */ +#define INT_OUT_MAX_TICKS INT_OUT_COUNT /* largest possible count */ + +/* bitmasks for GPCR */ +#define GPCR_DIR 0x000000ff /* tristate pin input or output */ +#define GPCR_DIR_PIN(x) (1<<(x)) /* access one of the DIR bits */ +#define GPCR_EDGE 0x000f0000 /* extint edge or level sensitive */ +#define GPCR_EDGE_PIN(x) (1<<((x)+15)) /* access one of the EDGE bits */ + +/* values for GPCR */ +#define GPCR_INT_OUT_EN 0x00100000 /* enable INT_OUT to pin 0 */ +#define GPCR_MLAN_EN 0x00200000 /* enable MCR to pin 8 */ +#define GPCR_DIR_SERA_XCVR 0x00000080 /* Port A Transceiver select enable */ +#define GPCR_DIR_SERB_XCVR 0x00000040 /* Port B Transceiver select enable */ +#define GPCR_DIR_PHY_RST 0x00000020 /* ethernet PHY reset enable */ + +/* defs for some of the generic I/O pins */ +#define GPCR_PHY_RESET 0x20 /* pin is output to PHY reset */ +#define GPCR_UARTB_MODESEL 0x40 /* pin is output to port B mode sel */ +#define GPCR_UARTA_MODESEL 0x80 /* pin is output to port A mode sel */ + +#define GPPR_PHY_RESET_PIN 5 /* GIO pin controlling phy reset */ +#define GPPR_UARTB_MODESEL_PIN 6 /* GIO pin controlling uart b mode select */ +#define GPPR_UARTA_MODESEL_PIN 7 /* GIO pin controlling uart a mode select */ + +#define EMCR_DUPLEX 0x00000001 +#define EMCR_PROMISC 0x00000002 +#define EMCR_PADEN 0x00000004 +#define EMCR_RXOFF_MASK 0x000001f8 +#define EMCR_RXOFF_SHIFT 3 +#define EMCR_RAMPAR 0x00000200 +#define EMCR_BADPAR 0x00000800 +#define EMCR_BUFSIZ 0x00001000 +#define EMCR_TXDMAEN 0x00002000 +#define EMCR_TXEN 0x00004000 +#define EMCR_RXDMAEN 0x00008000 +#define EMCR_RXEN 0x00010000 +#define EMCR_LOOPBACK 0x00020000 +#define EMCR_ARB_DIAG 0x001c0000 +#define EMCR_ARB_DIAG_IDLE 0x00200000 +#define EMCR_RST 0x80000000 + +#define EISR_RXTIMERINT 0x00000001 +#define EISR_RXTHRESHINT 0x00000002 +#define EISR_RXOFLO 0x00000004 +#define EISR_RXBUFOFLO 0x00000008 +#define EISR_RXMEMERR 0x00000010 +#define EISR_RXPARERR 0x00000020 +#define EISR_TXEMPTY 0x00010000 +#define EISR_TXRTRY 0x00020000 +#define EISR_TXEXDEF 0x00040000 +#define EISR_TXLCOL 0x00080000 +#define EISR_TXGIANT 0x00100000 +#define EISR_TXBUFUFLO 0x00200000 +#define EISR_TXEXPLICIT 0x00400000 +#define EISR_TXCOLLWRAP 0x00800000 +#define EISR_TXDEFERWRAP 0x01000000 +#define EISR_TXMEMERR 0x02000000 +#define EISR_TXPARERR 0x04000000 + +#define ERCSR_THRESH_MASK 0x000001ff /* enet RX threshold */ +#define ERCSR_RX_TMR 0x40000000 /* simulation only */ +#define ERCSR_DIAG_OFLO 0x80000000 /* simulation only */ + +#define ERBR_ALIGNMENT 4096 +#define ERBR_L_RXRINGBASE_MASK 0xfffff000 + +#define ERBAR_BARRIER_BIT 0x0100 +#define ERBAR_RXBARR_MASK 0xffff0000 +#define ERBAR_RXBARR_SHIFT 16 + +#define ERCIR_RXCONSUME_MASK 0x00000fff + +#define ERPIR_RXPRODUCE_MASK 0x00000fff +#define ERPIR_ARM 0x80000000 + +#define ERTR_CNT_MASK 0x000007ff + +#define ETCSR_IPGT_MASK 0x0000007f +#define ETCSR_IPGR1_MASK 0x00007f00 +#define ETCSR_IPGR1_SHIFT 8 +#define ETCSR_IPGR2_MASK 0x007f0000 +#define ETCSR_IPGR2_SHIFT 16 +#define ETCSR_NOTXCLK 0x80000000 + +#define ETCDC_COLLCNT_MASK 0x0000ffff +#define ETCDC_DEFERCNT_MASK 0xffff0000 +#define ETCDC_DEFERCNT_SHIFT 16 + +#define ETBR_ALIGNMENT (64*1024) +#define ETBR_L_RINGSZ_MASK 0x00000001 +#define ETBR_L_RINGSZ128 0 +#define ETBR_L_RINGSZ512 1 +#define ETBR_L_TXRINGBASE_MASK 0xffffc000 + +#define ETCIR_TXCONSUME_MASK 0x0000ffff +#define ETCIR_IDLE 0x80000000 + +#define ETPIR_TXPRODUCE_MASK 0x0000ffff + +#define EBIR_TXBUFPROD_MASK 0x0000001f +#define EBIR_TXBUFCONS_MASK 0x00001f00 +#define EBIR_TXBUFCONS_SHIFT 8 +#define EBIR_RXBUFPROD_MASK 0x007fc000 +#define EBIR_RXBUFPROD_SHIFT 14 +#define EBIR_RXBUFCONS_MASK 0xff800000 +#define EBIR_RXBUFCONS_SHIFT 23 + +#define MICR_REGADDR_MASK 0x0000001f +#define MICR_PHYADDR_MASK 0x000003e0 +#define MICR_PHYADDR_SHIFT 5 +#define MICR_READTRIG 0x00000400 +#define MICR_BUSY 0x00000800 + +#define MIDR_DATA_MASK 0x0000ffff + +#define ERXBUF_IPCKSUM_MASK 0x0000ffff +#define ERXBUF_BYTECNT_MASK 0x07ff0000 +#define ERXBUF_BYTECNT_SHIFT 16 +#define ERXBUF_V 0x80000000 + +#define ERXBUF_CRCERR 0x00000001 /* aka RSV15 */ +#define ERXBUF_FRAMERR 0x00000002 /* aka RSV14 */ +#define ERXBUF_CODERR 0x00000004 /* aka RSV13 */ +#define ERXBUF_INVPREAMB 0x00000008 /* aka RSV18 */ +#define ERXBUF_LOLEN 0x00007000 /* aka RSV2_0 */ +#define ERXBUF_HILEN 0x03ff0000 /* aka RSV12_3 */ +#define ERXBUF_MULTICAST 0x04000000 /* aka RSV16 */ +#define ERXBUF_BROADCAST 0x08000000 /* aka RSV17 */ +#define ERXBUF_LONGEVENT 0x10000000 /* aka RSV19 */ +#define ERXBUF_BADPKT 0x20000000 /* aka RSV20 */ +#define ERXBUF_GOODPKT 0x40000000 /* aka RSV21 */ +#define ERXBUF_CARRIER 0x80000000 /* aka RSV22 */ + +#define ETXD_BYTECNT_MASK 0x000007ff /* total byte count */ +#define ETXD_INTWHENDONE 0x00001000 /* intr when done */ +#define ETXD_D0V 0x00010000 /* data 0 valid */ +#define ETXD_B1V 0x00020000 /* buf 1 valid */ +#define ETXD_B2V 0x00040000 /* buf 2 valid */ +#define ETXD_DOCHECKSUM 0x00080000 /* insert ip cksum */ +#define ETXD_CHKOFF_MASK 0x07f00000 /* cksum byte offset */ +#define ETXD_CHKOFF_SHIFT 20 + +#define ETXD_D0CNT_MASK 0x0000007f +#define ETXD_B1CNT_MASK 0x0007ff00 +#define ETXD_B1CNT_SHIFT 8 +#define ETXD_B2CNT_MASK 0x7ff00000 +#define ETXD_B2CNT_SHIFT 20 + +typedef enum ioc3_subdevs_e { + ioc3_subdev_ether, + ioc3_subdev_generic, + ioc3_subdev_nic, + ioc3_subdev_kbms, + ioc3_subdev_ttya, + ioc3_subdev_ttyb, + ioc3_subdev_ecpp, + ioc3_subdev_rt, + ioc3_nsubdevs +} ioc3_subdev_t; + +/* subdevice disable bits, + * from the standard INFO_LBL_SUBDEVS + */ +#define IOC3_SDB_ETHER (1<<ioc3_subdev_ether) +#define IOC3_SDB_GENERIC (1<<ioc3_subdev_generic) +#define IOC3_SDB_NIC (1<<ioc3_subdev_nic) +#define IOC3_SDB_KBMS (1<<ioc3_subdev_kbms) +#define IOC3_SDB_TTYA (1<<ioc3_subdev_ttya) +#define IOC3_SDB_TTYB (1<<ioc3_subdev_ttyb) +#define IOC3_SDB_ECPP (1<<ioc3_subdev_ecpp) +#define IOC3_SDB_RT (1<<ioc3_subdev_rt) + +#define IOC3_ALL_SUBDEVS ((1<<ioc3_nsubdevs)-1) + +#define IOC3_SDB_SERIAL (IOC3_SDB_TTYA|IOC3_SDB_TTYB) + +#define IOC3_STD_SUBDEVS IOC3_ALL_SUBDEVS + +#define IOC3_INTA_SUBDEVS IOC3_SDB_ETHER +#define IOC3_INTB_SUBDEVS (IOC3_SDB_GENERIC|IOC3_SDB_KBMS|IOC3_SDB_SERIAL|IOC3_SDB_ECPP|IOC3_SDB_RT) + +#endif /* _IOC3_H */ |