/* * Copyright (C) 2005 Silicon Graphics, Inc. */ #ifndef IA64_SN_IOC3_H #define IA64_SN_IOC3_H /* serial port register map */ struct ioc3_serialregs { uint32_t sscr; uint32_t stpir; uint32_t stcir; uint32_t srpir; uint32_t srcir; uint32_t srtr; uint32_t shadow; }; /* SUPERIO uart register map */ struct ioc3_uartregs { char iu_lcr; union { char iir; /* read only */ char fcr; /* write only */ } u3; union { char ier; /* DLAB == 0 */ char dlm; /* DLAB == 1 */ } u2; union { char rbr; /* read only, DLAB == 0 */ char thr; /* write only, DLAB == 0 */ char dll; /* DLAB == 1 */ } u1; char iu_scr; char iu_msr; char iu_lsr; char iu_mcr; }; #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 { char fill[0x170]; struct ioc3_uartregs uartb; struct ioc3_uartregs uarta; }; /* PCI IO/mem space register map */ struct ioc3 { uint32_t pci_id; uint32_t pci_scr; uint32_t pci_rev; uint32_t pci_lat; uint32_t pci_addr; uint32_t pci_err_addr_l; uint32_t pci_err_addr_h; uint32_t sio_ir; /* these registers are read-only for general kernel code. To * modify them use the functions in ioc3.c */ uint32_t sio_ies; uint32_t sio_iec; uint32_t sio_cr; uint32_t int_out; uint32_t mcr; uint32_t gpcr_s; uint32_t gpcr_c; uint32_t gpdr; uint32_t gppr[9]; char fill[0x4c]; /* serial port registers */ uint32_t sbbr_h; uint32_t sbbr_l; struct ioc3_serialregs port_a; struct ioc3_serialregs port_b; char fill1[0x1ff10]; /* superio registers */ struct ioc3_sioregs sregs; }; /* These don't exist on the ioc3 serial card... */ #define eier fill1[8] #define eisr fill1[4] #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 /* 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 /* 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 cntrl register */ #define TXCB_DELAY 0xc0 /* delay data<7:0> mSec */ /* bitmasks for SBBR_L */ #define SBBR_L_SIZE 0x00000001 /* 0 1KB rings, 1 4KB rings */ /* bitmasks for SSCR_ */ #define SSCR_RX_THRESHOLD 0x000001ff /* hiwater mark */ #define SSCR_TX_TIMER_BUSY 0x00010000 /* TX timer in progress */ #define SSCR_HFC_EN 0x00020000 /* h/w flow cntrl enabled */ #define SSCR_RX_RING_DCD 0x00040000 /* postRX record on delta-DCD */ #define SSCR_RX_RING_CTS 0x00080000 /* postRX record on delta-CTS */ #define SSCR_HIGH_SPD 0x00100000 /* 4X speed */ #define SSCR_DIAG 0x00200000 /* bypass clock divider */ #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 /* set when PAUSE takes effect*/ #define SSCR_RESET 0x80000000 /* reset DMA channels */ /* all producer/comsumer 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 SRCIR_ */ #define SRCIR_ARM 0x80000000 /* arm RX timer */ /* bitmasks for SHADOW_ */ #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 reg empty */ #define SHADOW_TEMT 0x00000040 /* transmit shift reg empty */ #define SHADOW_RFCE 0x00000080 /* char in RX fifo has 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 SRTR_ */ #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 SIO_IR, SIO_IEC and 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_CMD_PULSE_SHIFT 15 #define SIO_CR_SER_A_BASE_SHIFT 1 #define SIO_CR_SER_B_BASE_SHIFT 8 #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) */ /* 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 cntrling uartb modeselect */ #define GPPR_UARTA_MODESEL_PIN 7 /* GIO pin cntrling uarta modeselect */ #endif /* IA64_SN_IOC3_H */