1 files changed, 527 insertions, 0 deletions

diff --git a/drivers/net/wan/hd64572.h b/drivers/net/wan/hd64572.h
new file mode 100644
index 000000000000..96567c2dc4db
--- /dev/null
+++ b/drivers/net/wan/hd64572.h
@@ -0,0 +1,527 @@
+/*
+ * hd64572.h    Description of the Hitachi HD64572 (SCA-II), valid for 
+ *              CPU modes 0 & 2.
+ *
+ * Author:      Ivan Passos <ivan@cyclades.com>
+ *
+ * Copyright:   (c) 2000-2001 Cyclades Corp.
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License
+ *      as published by the Free Software Foundation; either version
+ *      2 of the License, or (at your option) any later version.
+ *
+ * $Log: hd64572.h,v $
+ * Revision 3.1  2001/06/15 12:41:10  regina
+ * upping major version number
+ *
+ * Revision 1.1.1.1  2001/06/13 20:24:49  daniela
+ * PC300 initial CVS version (3.4.0-pre1)
+ *
+ * Revision 1.0 2000/01/25 ivan
+ * Initial version.
+ *
+ */
+
+#ifndef __HD64572_H
+#define __HD64572_H
+
+/* Illegal Access Register */
+#define ILAR    0x00
+
+/* Wait Controller Registers */
+#define PABR0L  0x20    /* Physical Addr Boundary Register 0 L */
+#define PABR0H  0x21    /* Physical Addr Boundary Register 0 H */
+#define PABR1L  0x22    /* Physical Addr Boundary Register 1 L */
+#define PABR1H  0x23    /* Physical Addr Boundary Register 1 H */
+#define WCRL    0x24    /* Wait Control Register L */
+#define WCRM    0x25    /* Wait Control Register M */
+#define WCRH    0x26    /* Wait Control Register H */
+
+/* Interrupt Registers */
+#define IVR     0x60    /* Interrupt Vector Register */
+#define IMVR    0x64    /* Interrupt Modified Vector Register */
+#define ITCR    0x68    /* Interrupt Control Register */
+#define ISR0    0x6c    /* Interrupt Status Register 0 */
+#define ISR1    0x70    /* Interrupt Status Register 1 */
+#define IER0    0x74    /* Interrupt Enable Register 0 */
+#define IER1    0x78    /* Interrupt Enable Register 1 */
+
+/* Register Access Macros (chan is 0 or 1 in _any_ case) */
+#define M_REG(reg, chan)        (reg + 0x80*chan)               /* MSCI */
+#define DRX_REG(reg, chan)      (reg + 0x40*chan)               /* DMA Rx */
+#define DTX_REG(reg, chan)      (reg + 0x20*(2*chan + 1))       /* DMA Tx */
+#define TRX_REG(reg, chan)      (reg + 0x20*chan)               /* Timer Rx */
+#define TTX_REG(reg, chan)      (reg + 0x10*(2*chan + 1))       /* Timer Tx */
+#define ST_REG(reg, chan)       (reg + 0x80*chan)               /* Status Cnt */
+#define IR0_DRX(val, chan)      ((val)<<(8*(chan)))             /* Int DMA Rx */
+#define IR0_DTX(val, chan)      ((val)<<(4*(2*chan + 1)))       /* Int DMA Tx */
+#define IR0_M(val, chan)        ((val)<<(8*(chan)))             /* Int MSCI */
+
+/* MSCI Channel Registers */
+#define MSCI0_OFFSET 0x00
+#define MSCI1_OFFSET 0x80
+
+#define MD0     0x138   /* Mode reg 0 */
+#define MD1     0x139   /* Mode reg 1 */
+#define MD2     0x13a   /* Mode reg 2 */
+#define MD3     0x13b   /* Mode reg 3 */
+#define CTL     0x130   /* Control reg */
+#define RXS     0x13c   /* RX clock source */
+#define TXS     0x13d   /* TX clock source */
+#define EXS     0x13e   /* External clock input selection */
+#define TMCT    0x144   /* Time constant (Tx) */
+#define TMCR    0x145   /* Time constant (Rx) */
+#define CMD     0x128   /* Command reg */
+#define ST0     0x118   /* Status reg 0 */
+#define ST1     0x119   /* Status reg 1 */
+#define ST2     0x11a   /* Status reg 2 */
+#define ST3     0x11b   /* Status reg 3 */
+#define ST4     0x11c   /* Status reg 4 */
+#define FST     0x11d   /* frame Status reg  */
+#define IE0     0x120   /* Interrupt enable reg 0 */
+#define IE1     0x121   /* Interrupt enable reg 1 */
+#define IE2     0x122   /* Interrupt enable reg 2 */
+#define IE4     0x124   /* Interrupt enable reg 4 */
+#define FIE     0x125   /* Frame Interrupt enable reg  */
+#define SA0     0x140   /* Syn Address reg 0 */
+#define SA1     0x141   /* Syn Address reg 1 */
+#define IDL     0x142   /* Idle register */
+#define TRBL    0x100   /* TX/RX buffer reg L */ 
+#define TRBK    0x101   /* TX/RX buffer reg K */ 
+#define TRBJ    0x102   /* TX/RX buffer reg J */ 
+#define TRBH    0x103   /* TX/RX buffer reg H */ 
+#define TRC0    0x148   /* TX Ready control reg 0 */ 
+#define TRC1    0x149   /* TX Ready control reg 1 */ 
+#define RRC     0x14a   /* RX Ready control reg */ 
+#define CST0    0x108   /* Current Status Register 0 */ 
+#define CST1    0x109   /* Current Status Register 1 */ 
+#define CST2    0x10a   /* Current Status Register 2 */ 
+#define CST3    0x10b   /* Current Status Register 3 */ 
+#define GPO     0x131   /* General Purpose Output Pin Ctl Reg */
+#define TFS     0x14b   /* Tx Start Threshold Ctl Reg */
+#define TFN     0x143   /* Inter-transmit-frame Time Fill Ctl Reg */
+#define TBN     0x110   /* Tx Buffer Number Reg */
+#define RBN     0x111   /* Rx Buffer Number Reg */
+#define TNR0    0x150   /* Tx DMA Request Ctl Reg 0 */
+#define TNR1    0x151   /* Tx DMA Request Ctl Reg 1 */
+#define TCR     0x152   /* Tx DMA Critical Request Reg */
+#define RNR     0x154   /* Rx DMA Request Ctl Reg */
+#define RCR     0x156   /* Rx DMA Critical Request Reg */
+
+/* Timer Registers */
+#define TIMER0RX_OFFSET 0x00
+#define TIMER0TX_OFFSET 0x10
+#define TIMER1RX_OFFSET 0x20
+#define TIMER1TX_OFFSET 0x30
+
+#define TCNTL   0x200   /* Timer Upcounter L */
+#define TCNTH   0x201   /* Timer Upcounter H */
+#define TCONRL  0x204   /* Timer Constant Register L */
+#define TCONRH  0x205   /* Timer Constant Register H */
+#define TCSR    0x206   /* Timer Control/Status Register */
+#define TEPR    0x207   /* Timer Expand Prescale Register */
+
+/* DMA registers */
+#define PCR             0x40            /* DMA priority control reg */
+#define DRR             0x44            /* DMA reset reg */
+#define DMER            0x07            /* DMA Master Enable reg */
+#define BTCR            0x08            /* Burst Tx Ctl Reg */
+#define BOLR            0x0c            /* Back-off Length Reg */
+#define DSR_RX(chan)    (0x48 + 2*chan) /* DMA Status Reg (Rx) */
+#define DSR_TX(chan)    (0x49 + 2*chan) /* DMA Status Reg (Tx) */
+#define DIR_RX(chan)    (0x4c + 2*chan) /* DMA Interrupt Enable Reg (Rx) */
+#define DIR_TX(chan)    (0x4d + 2*chan) /* DMA Interrupt Enable Reg (Tx) */
+#define FCT_RX(chan)    (0x50 + 2*chan) /* Frame End Interrupt Counter (Rx) */
+#define FCT_TX(chan)    (0x51 + 2*chan) /* Frame End Interrupt Counter (Tx) */
+#define DMR_RX(chan)    (0x54 + 2*chan) /* DMA Mode Reg (Rx) */
+#define DMR_TX(chan)    (0x55 + 2*chan) /* DMA Mode Reg (Tx) */
+#define DCR_RX(chan)    (0x58 + 2*chan) /* DMA Command Reg (Rx) */
+#define DCR_TX(chan)    (0x59 + 2*chan) /* DMA Command Reg (Tx) */
+
+/* DMA Channel Registers */
+#define DMAC0RX_OFFSET 0x00
+#define DMAC0TX_OFFSET 0x20
+#define DMAC1RX_OFFSET 0x40
+#define DMAC1TX_OFFSET 0x60
+
+#define DARL    0x80    /* Dest Addr Register L (single-block, RX only) */
+#define DARH    0x81    /* Dest Addr Register H (single-block, RX only) */
+#define DARB    0x82    /* Dest Addr Register B (single-block, RX only) */
+#define DARBH   0x83    /* Dest Addr Register BH (single-block, RX only) */
+#define SARL    0x80    /* Source Addr Register L (single-block, TX only) */
+#define SARH    0x81    /* Source Addr Register H (single-block, TX only) */
+#define SARB    0x82    /* Source Addr Register B (single-block, TX only) */
+#define DARBH   0x83    /* Source Addr Register BH (single-block, TX only) */
+#define BARL    0x80    /* Buffer Addr Register L (chained-block) */
+#define BARH    0x81    /* Buffer Addr Register H (chained-block) */
+#define BARB    0x82    /* Buffer Addr Register B (chained-block) */
+#define BARBH   0x83    /* Buffer Addr Register BH (chained-block) */
+#define CDAL    0x84    /* Current Descriptor Addr Register L */
+#define CDAH    0x85    /* Current Descriptor Addr Register H */
+#define CDAB    0x86    /* Current Descriptor Addr Register B */
+#define CDABH   0x87    /* Current Descriptor Addr Register BH */
+#define EDAL    0x88    /* Error Descriptor Addr Register L */
+#define EDAH    0x89    /* Error Descriptor Addr Register H */
+#define EDAB    0x8a    /* Error Descriptor Addr Register B */
+#define EDABH   0x8b    /* Error Descriptor Addr Register BH */
+#define BFLL    0x90    /* RX Buffer Length L (only RX) */
+#define BFLH    0x91    /* RX Buffer Length H (only RX) */
+#define BCRL    0x8c    /* Byte Count Register L */
+#define BCRH    0x8d    /* Byte Count Register H */
+
+/* Block Descriptor Structure */
+typedef struct {
+        unsigned long   next;           /* pointer to next block descriptor */
+        unsigned long   ptbuf;          /* buffer pointer */
+        unsigned short  len;            /* data length */
+        unsigned char   status;         /* status */
+        unsigned char   filler[5];      /* alignment filler (16 bytes) */ 
+} pcsca_bd_t;
+
+/* Block Descriptor Structure */
+typedef struct {
+        u32 cp;                 /* pointer to next block descriptor */
+        u32 bp;                 /* buffer pointer */
+        u16 len;                /* data length */
+        u8 stat;                /* status */
+        u8 unused;              /* pads to 4-byte boundary */
+}pkt_desc;
+
+
+/*
+        Descriptor Status definitions:
+
+        Bit     Transmission    Reception
+
+        7       EOM             EOM
+        6       -               Short Frame
+        5       -               Abort
+        4       -               Residual bit
+        3       Underrun        Overrun 
+        2       -               CRC
+        1       Ownership       Ownership
+        0       EOT             -
+*/
+#define DST_EOT         0x01    /* End of transmit command */
+#define DST_OSB         0x02    /* Ownership bit */
+#define DST_CRC         0x04    /* CRC Error */
+#define DST_OVR         0x08    /* Overrun */
+#define DST_UDR         0x08    /* Underrun */
+#define DST_RBIT        0x10    /* Residual bit */
+#define DST_ABT         0x20    /* Abort */
+#define DST_SHRT        0x40    /* Short Frame  */
+#define DST_EOM         0x80    /* End of Message  */
+
+/* Packet Descriptor Status bits */
+
+#define ST_TX_EOM     0x80      /* End of frame */
+#define ST_TX_UNDRRUN 0x08
+#define ST_TX_OWNRSHP 0x02
+#define ST_TX_EOT     0x01      /* End of transmition */
+
+#define ST_RX_EOM     0x80      /* End of frame */
+#define ST_RX_SHORT   0x40      /* Short frame */
+#define ST_RX_ABORT   0x20      /* Abort */
+#define ST_RX_RESBIT  0x10      /* Residual bit */
+#define ST_RX_OVERRUN 0x08      /* Overrun */
+#define ST_RX_CRC     0x04      /* CRC */
+#define ST_RX_OWNRSHP 0x02
+
+#define ST_ERROR_MASK 0x7C
+
+/* Status Counter Registers */
+#define CMCR    0x158   /* Counter Master Ctl Reg */
+#define TECNTL  0x160   /* Tx EOM Counter L */
+#define TECNTM  0x161   /* Tx EOM Counter M */
+#define TECNTH  0x162   /* Tx EOM Counter H */
+#define TECCR   0x163   /* Tx EOM Counter Ctl Reg */
+#define URCNTL  0x164   /* Underrun Counter L */
+#define URCNTH  0x165   /* Underrun Counter H */
+#define URCCR   0x167   /* Underrun Counter Ctl Reg */
+#define RECNTL  0x168   /* Rx EOM Counter L */
+#define RECNTM  0x169   /* Rx EOM Counter M */
+#define RECNTH  0x16a   /* Rx EOM Counter H */
+#define RECCR   0x16b   /* Rx EOM Counter Ctl Reg */
+#define ORCNTL  0x16c   /* Overrun Counter L */
+#define ORCNTH  0x16d   /* Overrun Counter H */
+#define ORCCR   0x16f   /* Overrun Counter Ctl Reg */
+#define CECNTL  0x170   /* CRC Counter L */
+#define CECNTH  0x171   /* CRC Counter H */
+#define CECCR   0x173   /* CRC Counter Ctl Reg */
+#define ABCNTL  0x174   /* Abort frame Counter L */
+#define ABCNTH  0x175   /* Abort frame Counter H */
+#define ABCCR   0x177   /* Abort frame Counter Ctl Reg */
+#define SHCNTL  0x178   /* Short frame Counter L */
+#define SHCNTH  0x179   /* Short frame Counter H */
+#define SHCCR   0x17b   /* Short frame Counter Ctl Reg */
+#define RSCNTL  0x17c   /* Residual bit Counter L */
+#define RSCNTH  0x17d   /* Residual bit Counter H */
+#define RSCCR   0x17f   /* Residual bit Counter Ctl Reg */
+
+/* Register Programming Constants */
+
+#define IR0_DMIC        0x00000001
+#define IR0_DMIB        0x00000002
+#define IR0_DMIA        0x00000004
+#define IR0_EFT         0x00000008
+#define IR0_DMAREQ      0x00010000
+#define IR0_TXINT       0x00020000
+#define IR0_RXINTB      0x00040000
+#define IR0_RXINTA      0x00080000
+#define IR0_TXRDY       0x00100000
+#define IR0_RXRDY       0x00200000
+
+#define MD0_CRC16_0     0x00
+#define MD0_CRC16_1     0x01
+#define MD0_CRC32       0x02
+#define MD0_CRC_CCITT   0x03
+#define MD0_CRCC0       0x04
+#define MD0_CRCC1       0x08
+#define MD0_AUTO_ENA    0x10
+#define MD0_ASYNC       0x00
+#define MD0_BY_MSYNC    0x20
+#define MD0_BY_BISYNC   0x40
+#define MD0_BY_EXT      0x60
+#define MD0_BIT_SYNC    0x80
+#define MD0_TRANSP      0xc0
+
+#define MD0_HDLC        0x80    /* Bit-sync HDLC mode */
+
+#define MD0_CRC_NONE    0x00
+#define MD0_CRC_16_0    0x04
+#define MD0_CRC_16      0x05
+#define MD0_CRC_ITU32   0x06
+#define MD0_CRC_ITU     0x07
+
+#define MD1_NOADDR      0x00
+#define MD1_SADDR1      0x40
+#define MD1_SADDR2      0x80
+#define MD1_DADDR       0xc0
+
+#define MD2_NRZI_IEEE   0x40
+#define MD2_MANCHESTER  0x80
+#define MD2_FM_MARK     0xA0
+#define MD2_FM_SPACE    0xC0
+#define MD2_LOOPBACK    0x03    /* Local data Loopback */
+
+#define MD2_F_DUPLEX    0x00
+#define MD2_AUTO_ECHO   0x01
+#define MD2_LOOP_HI_Z   0x02
+#define MD2_LOOP_MIR    0x03
+#define MD2_ADPLL_X8    0x00
+#define MD2_ADPLL_X16   0x08
+#define MD2_ADPLL_X32   0x10
+#define MD2_NRZ         0x00
+#define MD2_NRZI        0x20
+#define MD2_NRZ_IEEE    0x40
+#define MD2_MANCH       0x00
+#define MD2_FM1         0x20
+#define MD2_FM0         0x40
+#define MD2_FM          0x80
+
+#define CTL_RTS         0x01
+#define CTL_DTR         0x02
+#define CTL_SYN         0x04
+#define CTL_IDLC        0x10
+#define CTL_UDRNC       0x20
+#define CTL_URSKP       0x40
+#define CTL_URCT        0x80
+
+#define CTL_NORTS       0x01
+#define CTL_NODTR       0x02
+#define CTL_IDLE        0x10
+
+#define RXS_BR0         0x01
+#define RXS_BR1         0x02
+#define RXS_BR2         0x04
+#define RXS_BR3         0x08
+#define RXS_ECLK        0x00
+#define RXS_ECLK_NS     0x20
+#define RXS_IBRG        0x40
+#define RXS_PLL1        0x50
+#define RXS_PLL2        0x60
+#define RXS_PLL3        0x70
+#define RXS_DRTXC       0x80
+
+#define TXS_BR0         0x01
+#define TXS_BR1         0x02
+#define TXS_BR2         0x04
+#define TXS_BR3         0x08
+#define TXS_ECLK        0x00
+#define TXS_IBRG        0x40
+#define TXS_RCLK        0x60
+#define TXS_DTRXC       0x80
+
+#define EXS_RES0        0x01
+#define EXS_RES1        0x02
+#define EXS_RES2        0x04
+#define EXS_TES0        0x10
+#define EXS_TES1        0x20
+#define EXS_TES2        0x40
+
+#define CLK_BRG_MASK    0x0F
+#define CLK_PIN_OUT     0x80
+#define CLK_LINE        0x00    /* clock line input */
+#define CLK_BRG         0x40    /* internal baud rate generator */
+#define CLK_TX_RXCLK    0x60    /* TX clock from RX clock */
+
+#define CMD_RX_RST      0x11
+#define CMD_RX_ENA      0x12
+#define CMD_RX_DIS      0x13
+#define CMD_RX_CRC_INIT 0x14
+#define CMD_RX_MSG_REJ  0x15
+#define CMD_RX_MP_SRCH  0x16
+#define CMD_RX_CRC_EXC  0x17
+#define CMD_RX_CRC_FRC  0x18
+#define CMD_TX_RST      0x01
+#define CMD_TX_ENA      0x02
+#define CMD_TX_DISA     0x03
+#define CMD_TX_CRC_INIT 0x04
+#define CMD_TX_CRC_EXC  0x05
+#define CMD_TX_EOM      0x06
+#define CMD_TX_ABORT    0x07
+#define CMD_TX_MP_ON    0x08
+#define CMD_TX_BUF_CLR  0x09
+#define CMD_TX_DISB     0x0b
+#define CMD_CH_RST      0x21
+#define CMD_SRCH_MODE   0x31
+#define CMD_NOP         0x00
+
+#define CMD_RESET       0x21
+#define CMD_TX_ENABLE   0x02
+#define CMD_RX_ENABLE   0x12
+
+#define ST0_RXRDY       0x01
+#define ST0_TXRDY       0x02
+#define ST0_RXINTB      0x20
+#define ST0_RXINTA      0x40
+#define ST0_TXINT       0x80
+
+#define ST1_IDLE        0x01
+#define ST1_ABORT       0x02
+#define ST1_CDCD        0x04
+#define ST1_CCTS        0x08
+#define ST1_SYN_FLAG    0x10
+#define ST1_CLMD        0x20
+#define ST1_TXIDLE      0x40
+#define ST1_UDRN        0x80
+
+#define ST2_CRCE        0x04
+#define ST2_ONRN        0x08
+#define ST2_RBIT        0x10
+#define ST2_ABORT       0x20
+#define ST2_SHORT       0x40
+#define ST2_EOM         0x80
+
+#define ST3_RX_ENA      0x01
+#define ST3_TX_ENA      0x02
+#define ST3_DCD         0x04
+#define ST3_CTS         0x08
+#define ST3_SRCH_MODE   0x10
+#define ST3_SLOOP       0x20
+#define ST3_GPI         0x80
+
+#define ST4_RDNR        0x01
+#define ST4_RDCR        0x02
+#define ST4_TDNR        0x04
+#define ST4_TDCR        0x08
+#define ST4_OCLM        0x20
+#define ST4_CFT         0x40
+#define ST4_CGPI        0x80
+
+#define FST_CRCEF       0x04
+#define FST_OVRNF       0x08
+#define FST_RBIF        0x10
+#define FST_ABTF        0x20
+#define FST_SHRTF       0x40
+#define FST_EOMF        0x80
+
+#define IE0_RXRDY       0x01
+#define IE0_TXRDY       0x02
+#define IE0_RXINTB      0x20
+#define IE0_RXINTA      0x40
+#define IE0_TXINT       0x80
+#define IE0_UDRN        0x00008000 /* TX underrun MSCI interrupt enable */
+#define IE0_CDCD        0x00000400 /* CD level change interrupt enable */
+
+#define IE1_IDLD        0x01
+#define IE1_ABTD        0x02
+#define IE1_CDCD        0x04
+#define IE1_CCTS        0x08
+#define IE1_SYNCD       0x10
+#define IE1_CLMD        0x20
+#define IE1_IDL         0x40
+#define IE1_UDRN        0x80
+
+#define IE2_CRCE        0x04
+#define IE2_OVRN        0x08
+#define IE2_RBIT        0x10
+#define IE2_ABT         0x20
+#define IE2_SHRT        0x40
+#define IE2_EOM         0x80
+
+#define IE4_RDNR        0x01
+#define IE4_RDCR        0x02
+#define IE4_TDNR        0x04
+#define IE4_TDCR        0x08
+#define IE4_OCLM        0x20
+#define IE4_CFT         0x40
+#define IE4_CGPI        0x80
+
+#define FIE_CRCEF       0x04
+#define FIE_OVRNF       0x08
+#define FIE_RBIF        0x10
+#define FIE_ABTF        0x20
+#define FIE_SHRTF       0x40
+#define FIE_EOMF        0x80
+
+#define DSR_DWE         0x01
+#define DSR_DE          0x02
+#define DSR_REF         0x04
+#define DSR_UDRF        0x04
+#define DSR_COA         0x08
+#define DSR_COF         0x10
+#define DSR_BOF         0x20
+#define DSR_EOM         0x40
+#define DSR_EOT         0x80
+
+#define DIR_REF         0x04
+#define DIR_UDRF        0x04
+#define DIR_COA         0x08
+#define DIR_COF         0x10
+#define DIR_BOF         0x20
+#define DIR_EOM         0x40
+#define DIR_EOT         0x80
+
+#define DIR_REFE        0x04
+#define DIR_UDRFE       0x04
+#define DIR_COAE        0x08
+#define DIR_COFE        0x10
+#define DIR_BOFE        0x20
+#define DIR_EOME        0x40
+#define DIR_EOTE        0x80
+
+#define DMR_CNTE        0x02
+#define DMR_NF          0x04
+#define DMR_SEOME       0x08
+#define DMR_TMOD        0x10
+
+#define DMER_DME        0x80    /* DMA Master Enable */
+
+#define DCR_SW_ABT      0x01
+#define DCR_FCT_CLR     0x02
+
+#define DCR_ABORT       0x01
+#define DCR_CLEAR_EOF   0x02
+
+#define PCR_COTE        0x80
+#define PCR_PR0         0x01
+#define PCR_PR1         0x02
+#define PCR_PR2         0x04
+#define PCR_CCC         0x08
+#define PCR_BRC         0x10
+#define PCR_OSB         0x40
+#define PCR_BURST       0x80
+
+#endif /* (__HD64572_H) */