board/evb64260/mpsc.h

   1 /*
   2  * (C) Copyright 2001
   3  * John Clemens <clemens@mclx.com>, Mission Critical Linux, Inc.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 /*
  25  * mpsc.h - header file for MPSC in uart mode (console driver)
  26  */
  27
  28 #ifndef __MPSC_H__
  29 #define __MPSC_H__
  30
  31 /* include actual Galileo defines */
  32 #include <galileo/gt64260R.h>
  33
  34 /* driver related defines */
  35
  36 int mpsc_init(int baud);
  37 void mpsc_init2(void);
  38 char mpsc_getchar(void);
  39 int mpsc_test_char(void);
  40 int galbrg_set_baudrate(int channel, int rate);
  41
  42 int mpsc_putchar_early(char ch);
  43 extern int (*mpsc_putchar)(char ch);
  44
  45 #define CHANNEL CONFIG_MPSC_PORT
  46
  47 #define TX_DESC     5
  48 #define RX_DESC     20
  49
  50 #define DESC_FIRST  0x00010000
  51 #define DESC_LAST   0x00020000
  52 #define DESC_OWNER  0x80000000
  53
  54 #define TX_DEMAND   0x00800000
  55 #define TX_STOP     0x00010000
  56 #define RX_ENABLE   0x00000080
  57
  58 #define SDMA_RX_ABORT             (1 << 15)
  59 #define SDMA_TX_ABORT             (1 << 31)
  60 #define MPSC_TX_ABORT             (1 << 7)
  61 #define MPSC_RX_ABORT             (1 << 23)
  62 #define MPSC_ENTER_HUNT           (1 << 31)
  63
  64 /* MPSC defines */
  65
  66 #define GALMPSC_CONNECT            0x1
  67 #define GALMPSC_DISCONNECT         0x0
  68
  69 #define GALMPSC_UART               0x1
  70
  71 #define GALMPSC_STOP_BITS_1        0x0
  72 #define GALMPSC_STOP_BITS_2        0x1
  73 #define GALMPSC_CHAR_LENGTH_8      0x3
  74 #define GALMPSC_CHAR_LENGTH_7      0x2
  75
  76 #define GALMPSC_PARITY_ODD         0x0
  77 #define GALMPSC_PARITY_EVEN        0x2
  78 #define GALMPSC_PARITY_MARK        0x3
  79 #define GALMPSC_PARITY_SPACE       0x1
  80 #define GALMPSC_PARITY_NONE        -1
  81
  82 #define GALMPSC_SERIAL_MULTIPLEX   SERIAL_PORT_MULTIPLEX           /* 0xf010 */
  83 #define GALMPSC_ROUTING_REGISTER   MAIN_ROUTING_REGISTER           /* 0xb400 */
  84 #define GALMPSC_RxC_ROUTE          RECEIVE_CLOCK_ROUTING_REGISTER  /* 0xb404 */
  85 #define GALMPSC_TxC_ROUTE          TRANSMIT_CLOCK_ROUTING_REGISTER /* 0xb408 */
  86 #define GALMPSC_MCONF_LOW          MPSC0_MAIN_CONFIGURATION_LOW    /* 0x8000 */
  87 #define GALMPSC_MCONF_HIGH         MPSC0_MAIN_CONFIGURATION_HIGH   /* 0x8004 */
  88 #define GALMPSC_PROTOCONF_REG      MPSC0_PROTOCOL_CONFIGURATION    /* 0x8008 */
  89
  90 #define GALMPSC_REG_GAP            0x1000
  91
  92 #define GALMPSC_MCONF_CHREG_BASE   CHANNEL0_REGISTER1  /* 0x800c */
  93 #define GALMPSC_CHANNELREG_1       CHANNEL0_REGISTER1  /* 0x800c */
  94 #define GALMPSC_CHANNELREG_2       CHANNEL0_REGISTER2  /* 0x8010 */
  95 #define GALMPSC_CHANNELREG_3       CHANNEL0_REGISTER3  /* 0x8014 */
  96 #define GALMPSC_CHANNELREG_4       CHANNEL0_REGISTER4  /* 0x8018 */
  97 #define GALMPSC_CHANNELREG_5       CHANNEL0_REGISTER5  /* 0x801c */
  98 #define GALMPSC_CHANNELREG_6       CHANNEL0_REGISTER6  /* 0x8020 */
  99 #define GALMPSC_CHANNELREG_7       CHANNEL0_REGISTER7  /* 0x8024 */
 100 #define GALMPSC_CHANNELREG_8       CHANNEL0_REGISTER8  /* 0x8028 */
 101 #define GALMPSC_CHANNELREG_9       CHANNEL0_REGISTER9  /* 0x802c */
 102 #define GALMPSC_CHANNELREG_10      CHANNEL0_REGISTER10 /* 0x8030 */
 103 #define GALMPSC_CHANNELREG_11      CHANNEL0_REGISTER11 /* 0x8034 */
 104
 105 #define GALSDMA_COMMAND_FIRST     (1 << 16)
 106 #define GALSDMA_COMMAND_LAST      (1 << 17)
 107 #define GALSDMA_COMMAND_ENABLEINT (1 << 23)
 108 #define GALSDMA_COMMAND_AUTO      (1 << 30)
 109 #define GALSDMA_COMMAND_OWNER     (1 << 31)
 110
 111 #define GALSDMA_RX                 0
 112 #define GALSDMA_TX                 1
 113
 114 /* CHANNEL2 should be CHANNEL1, according to documentation,
 115  * but to work with the current GTREGS file...
 116  */
 117 #define GALSDMA_0_CONF_REG         CHANNEL0_CONFIGURATION_REGISTER   /* 0x4000 */
 118 #define GALSDMA_1_CONF_REG         CHANNEL2_CONFIGURATION_REGISTER   /* 0x6000 */
 119 #define GALSDMA_0_COM_REG          CHANNEL0_COMMAND_REGISTER         /* 0x4008 */
 120 #define GALSDMA_1_COM_REG          CHANNEL2_COMMAND_REGISTER         /* 0x6008 */
 121 #define GALSDMA_0_CUR_RX_PTR       CHANNEL0_CURRENT_RX_DESCRIPTOR_POINTER  /* 0x4810 */
 122 #define GALSDMA_0_CUR_TX_PTR       CHANNEL0_CURRENT_TX_DESCRIPTOR_POINTER  /* 0x4c10 */
 123 #define GALSDMA_0_FIR_TX_PTR       CHANNEL0_FIRST_TX_DESCRIPTOR_POINTER    /* 0x4c14 */
 124 #define GALSDMA_1_CUR_RX_PTR       CHANNEL2_CURRENT_RX_DESCRIPTOR_POINTER  /* 0x6810 */
 125 #define GALSDMA_1_CUR_TX_PTR       CHANNEL2_CURRENT_TX_DESCRIPTOR_POINTER  /* 0x6c10 */
 126 #define GALSDMA_1_FIR_TX_PTR       CHANNEL2_FIRST_TX_DESCRIPTOR_POINTER    /* 0x6c14 */
 127 #define GALSDMA_REG_DIFF           0x2000
 128
 129 /* WRONG in gt64260R.h */
 130 #define GALSDMA_INT_CAUSE          0xb800   /* SDMA_CAUSE */
 131 #define GALSDMA_INT_MASK           0xb880   /* SDMA_MASK  */
 132
 133 #define GALSDMA_MODE_UART          0
 134 #define GALSDMA_MODE_BISYNC        1
 135 #define GALSDMA_MODE_HDLC          2
 136 #define GALSDMA_MODE_TRANSPARENT   3
 137
 138 #define GALBRG_0_CONFREG           BRG0_CONFIGURATION_REGISTER  /*  0xb200  */
 139 #define GALBRG_REG_GAP             0x0008
 140 #define GALBRG_0_BTREG             BRG0_BAUDE_TUNING_REGISTER   /*  0xb204  */
 141
 142 #endif /* __MPSC_H__ */