summaryrefslogtreecommitdiffstats
path: root/include/asm-ia64/sn/ioc3.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-ia64/sn/ioc3.h')
-rw-r--r--include/asm-ia64/sn/ioc3.h241
1 files changed, 241 insertions, 0 deletions
diff --git a/include/asm-ia64/sn/ioc3.h b/include/asm-ia64/sn/ioc3.h
new file mode 100644
index 00000000000..95ed6cc83cf
--- /dev/null
+++ b/include/asm-ia64/sn/ioc3.h
@@ -0,0 +1,241 @@
+/*
+ * 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_<A:B> */
+#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_<A:B> */
+#define SRCIR_ARM 0x80000000 /* arm RX timer */
+
+/* bitmasks for 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 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_<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 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 */