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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 1999, 2000 Ralf Baechle
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
*/
#ifndef MIPS_SN_IOC3_H
#define MIPS_SN_IOC3_H
#include <linux/types.h>
/* serial port register map */
struct ioc3_serialregs {
u32 sscr;
u32 stpir;
u32 stcir;
u32 srpir;
u32 srcir;
u32 srtr;
u32 shadow;
};
/* SUPERIO uart register map */
struct ioc3_uartregs {
u8 iu_lcr;
union {
u8 iu_iir; /* read only */
u8 iu_fcr; /* write only */
};
union {
u8 iu_ier; /* DLAB == 0 */
u8 iu_dlm; /* DLAB == 1 */
};
union {
u8 iu_rbr; /* read only, DLAB == 0 */
u8 iu_thr; /* write only, DLAB == 0 */
u8 iu_dll; /* DLAB == 1 */
};
u8 iu_scr;
u8 iu_msr;
u8 iu_lsr;
u8 iu_mcr;
};
struct ioc3_sioregs {
u8 fill[0x141]; /* starts at 0x141 */
u8 kbdcg;
u8 uartc;
u8 fill0[0x151 - 0x142 - 1];
u8 pp_dcr;
u8 pp_dsr;
u8 pp_data;
u8 fill1[0x159 - 0x153 - 1];
u8 pp_ecr;
u8 pp_cfgb;
u8 pp_fifa;
u8 fill2[0x16a - 0x15b - 1];
u8 rtcdat;
u8 rtcad;
u8 fill3[0x170 - 0x16b - 1];
struct ioc3_uartregs uartb; /* 0x20170 */
struct ioc3_uartregs uarta; /* 0x20178 */
};
struct ioc3_ethregs {
u32 emcr; /* 0x000f0 */
u32 eisr; /* 0x000f4 */
u32 eier; /* 0x000f8 */
u32 ercsr; /* 0x000fc */
u32 erbr_h; /* 0x00100 */
u32 erbr_l; /* 0x00104 */
u32 erbar; /* 0x00108 */
u32 ercir; /* 0x0010c */
u32 erpir; /* 0x00110 */
u32 ertr; /* 0x00114 */
u32 etcsr; /* 0x00118 */
u32 ersr; /* 0x0011c */
u32 etcdc; /* 0x00120 */
u32 ebir; /* 0x00124 */
u32 etbr_h; /* 0x00128 */
u32 etbr_l; /* 0x0012c */
u32 etcir; /* 0x00130 */
u32 etpir; /* 0x00134 */
u32 emar_h; /* 0x00138 */
u32 emar_l; /* 0x0013c */
u32 ehar_h; /* 0x00140 */
u32 ehar_l; /* 0x00144 */
u32 micr; /* 0x00148 */
u32 midr_r; /* 0x0014c */
u32 midr_w; /* 0x00150 */
};
struct ioc3_serioregs {
u32 km_csr; /* 0x0009c */
u32 k_rd; /* 0x000a0 */
u32 m_rd; /* 0x000a4 */
u32 k_wd; /* 0x000a8 */
u32 m_wd; /* 0x000ac */
};
/* Register layout of IOC3 in configuration space. */
struct ioc3 {
/* PCI Config Space registers */
u32 pci_id; /* 0x00000 */
u32 pci_scr; /* 0x00004 */
u32 pci_rev; /* 0x00008 */
u32 pci_lat; /* 0x0000c */
u32 pci_addr; /* 0x00010 */
u32 pci_err_addr_l; /* 0x00014 */
u32 pci_err_addr_h; /* 0x00018 */
u32 sio_ir; /* 0x0001c */
u32 sio_ies; /* 0x00020 */
u32 sio_iec; /* 0x00024 */
u32 sio_cr; /* 0x00028 */
u32 int_out; /* 0x0002c */
u32 mcr; /* 0x00030 */
/* General Purpose I/O registers */
u32 gpcr_s; /* 0x00034 */
u32 gpcr_c; /* 0x00038 */
u32 gpdr; /* 0x0003c */
u32 gppr[16]; /* 0x00040 */
/* Parallel Port Registers */
u32 ppbr_h_a; /* 0x00080 */
u32 ppbr_l_a; /* 0x00084 */
u32 ppcr_a; /* 0x00088 */
u32 ppcr; /* 0x0008c */
u32 ppbr_h_b; /* 0x00090 */
u32 ppbr_l_b; /* 0x00094 */
u32 ppcr_b; /* 0x00098 */
/* Keyboard and Mouse Registers */
struct ioc3_serioregs serio;
/* Serial Port Registers */
u32 sbbr_h; /* 0x000b0 */
u32 sbbr_l; /* 0x000b4 */
struct ioc3_serialregs port_a;
struct ioc3_serialregs port_b;
/* Ethernet Registers */
struct ioc3_ethregs eth;
u32 pad1[(0x20000 - 0x00154) / 4];
/* SuperIO Registers XXX */
struct ioc3_sioregs sregs; /* 0x20000 */
u32 pad2[(0x40000 - 0x20180) / 4];
/* SSRAM Diagnostic Access */
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 */
};
#define PCI_LAT 0xc /* Latency Timer */
#define PCI_SCR_DROP_MODE_EN 0x00008000 /* drop pios on parity err */
#define UARTA_BASE 0x178
#define UARTB_BASE 0x170
/*
* Bytebus device space
*/
#define IOC3_BYTEBUS_DEV0 0x80000L
#define IOC3_BYTEBUS_DEV1 0xa0000L
#define IOC3_BYTEBUS_DEV2 0xc0000L
#define IOC3_BYTEBUS_DEV3 0xe0000L
/*
* 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
/* ------------------------------------------------------------------------- */
/* 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 (addrspc sz, may not be 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_1 0x00100000 /* Pull K_CLK low aft recv 1 char */
#define KM_CSR_M_CLAMP_1 0x00200000 /* Pull M_CLK low aft recv 1 char */
#define KM_CSR_K_CLAMP_3 0x00400000 /* Pull K_CLK low aft recv 3 chars */
#define KM_CSR_M_CLAMP_3 0x00800000 /* Pull M_CLK low aft recv 3 chars */
/* 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)
/* 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 cntrlling phy reset */
#define GPPR_UARTB_MODESEL_PIN 6 /* GIO pin cntrlling uart b mode sel */
#define GPPR_UARTA_MODESEL_PIN 7 /* GIO pin cntrlling uart a mode sel */
/* ethernet */
#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
/* subsystem IDs supplied by card detection in pci-xtalk-bridge */
#define IOC3_SUBSYS_IP27_BASEIO6G 0xc300
#define IOC3_SUBSYS_IP27_MIO 0xc301
#define IOC3_SUBSYS_IP27_BASEIO 0xc302
#define IOC3_SUBSYS_IP29_SYSBOARD 0xc303
#define IOC3_SUBSYS_IP30_SYSBOARD 0xc304
#define IOC3_SUBSYS_MENET 0xc305
#define IOC3_SUBSYS_MENET4 0xc306
#define IOC3_SUBSYS_IO7 0xc307
#define IOC3_SUBSYS_IO8 0xc308
#define IOC3_SUBSYS_IO9 0xc309
#define IOC3_SUBSYS_IP34_SYSBOARD 0xc30A
#endif /* MIPS_SN_IOC3_H */