include/linux/serial_bcm63xx.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _LINUX_SERIAL_BCM63XX_H
   3 #define _LINUX_SERIAL_BCM63XX_H
   4
   5 /* UART Control Register */
   6 #define UART_CTL_REG                    0x0
   7 #define UART_CTL_RXTMOUTCNT_SHIFT       0
   8 #define UART_CTL_RXTMOUTCNT_MASK        (0x1f << UART_CTL_RXTMOUTCNT_SHIFT)
   9 #define UART_CTL_RSTTXDN_SHIFT          5
  10 #define UART_CTL_RSTTXDN_MASK           (1 << UART_CTL_RSTTXDN_SHIFT)
  11 #define UART_CTL_RSTRXFIFO_SHIFT                6
  12 #define UART_CTL_RSTRXFIFO_MASK         (1 << UART_CTL_RSTRXFIFO_SHIFT)
  13 #define UART_CTL_RSTTXFIFO_SHIFT                7
  14 #define UART_CTL_RSTTXFIFO_MASK         (1 << UART_CTL_RSTTXFIFO_SHIFT)
  15 #define UART_CTL_STOPBITS_SHIFT         8
  16 #define UART_CTL_STOPBITS_MASK          (0xf << UART_CTL_STOPBITS_SHIFT)
  17 #define UART_CTL_STOPBITS_1             (0x7 << UART_CTL_STOPBITS_SHIFT)
  18 #define UART_CTL_STOPBITS_2             (0xf << UART_CTL_STOPBITS_SHIFT)
  19 #define UART_CTL_BITSPERSYM_SHIFT       12
  20 #define UART_CTL_BITSPERSYM_MASK        (0x3 << UART_CTL_BITSPERSYM_SHIFT)
  21 #define UART_CTL_XMITBRK_SHIFT          14
  22 #define UART_CTL_XMITBRK_MASK           (1 << UART_CTL_XMITBRK_SHIFT)
  23 #define UART_CTL_RSVD_SHIFT             15
  24 #define UART_CTL_RSVD_MASK              (1 << UART_CTL_RSVD_SHIFT)
  25 #define UART_CTL_RXPAREVEN_SHIFT                16
  26 #define UART_CTL_RXPAREVEN_MASK         (1 << UART_CTL_RXPAREVEN_SHIFT)
  27 #define UART_CTL_RXPAREN_SHIFT          17
  28 #define UART_CTL_RXPAREN_MASK           (1 << UART_CTL_RXPAREN_SHIFT)
  29 #define UART_CTL_TXPAREVEN_SHIFT                18
  30 #define UART_CTL_TXPAREVEN_MASK         (1 << UART_CTL_TXPAREVEN_SHIFT)
  31 #define UART_CTL_TXPAREN_SHIFT          18
  32 #define UART_CTL_TXPAREN_MASK           (1 << UART_CTL_TXPAREN_SHIFT)
  33 #define UART_CTL_LOOPBACK_SHIFT         20
  34 #define UART_CTL_LOOPBACK_MASK          (1 << UART_CTL_LOOPBACK_SHIFT)
  35 #define UART_CTL_RXEN_SHIFT             21
  36 #define UART_CTL_RXEN_MASK              (1 << UART_CTL_RXEN_SHIFT)
  37 #define UART_CTL_TXEN_SHIFT             22
  38 #define UART_CTL_TXEN_MASK              (1 << UART_CTL_TXEN_SHIFT)
  39 #define UART_CTL_BRGEN_SHIFT            23
  40 #define UART_CTL_BRGEN_MASK             (1 << UART_CTL_BRGEN_SHIFT)
  41
  42 /* UART Baudword register */
  43 #define UART_BAUD_REG                   0x4
  44
  45 /* UART Misc Control register */
  46 #define UART_MCTL_REG                   0x8
  47 #define UART_MCTL_DTR_SHIFT             0
  48 #define UART_MCTL_DTR_MASK              (1 << UART_MCTL_DTR_SHIFT)
  49 #define UART_MCTL_RTS_SHIFT             1
  50 #define UART_MCTL_RTS_MASK              (1 << UART_MCTL_RTS_SHIFT)
  51 #define UART_MCTL_RXFIFOTHRESH_SHIFT    8
  52 #define UART_MCTL_RXFIFOTHRESH_MASK     (0xf << UART_MCTL_RXFIFOTHRESH_SHIFT)
  53 #define UART_MCTL_TXFIFOTHRESH_SHIFT    12
  54 #define UART_MCTL_TXFIFOTHRESH_MASK     (0xf << UART_MCTL_TXFIFOTHRESH_SHIFT)
  55 #define UART_MCTL_RXFIFOFILL_SHIFT      16
  56 #define UART_MCTL_RXFIFOFILL_MASK       (0x1f << UART_MCTL_RXFIFOFILL_SHIFT)
  57 #define UART_MCTL_TXFIFOFILL_SHIFT      24
  58 #define UART_MCTL_TXFIFOFILL_MASK       (0x1f << UART_MCTL_TXFIFOFILL_SHIFT)
  59
  60 /* UART External Input Configuration register */
  61 #define UART_EXTINP_REG                 0xc
  62 #define UART_EXTINP_RI_SHIFT            0
  63 #define UART_EXTINP_RI_MASK             (1 << UART_EXTINP_RI_SHIFT)
  64 #define UART_EXTINP_CTS_SHIFT           1
  65 #define UART_EXTINP_CTS_MASK            (1 << UART_EXTINP_CTS_SHIFT)
  66 #define UART_EXTINP_DCD_SHIFT           2
  67 #define UART_EXTINP_DCD_MASK            (1 << UART_EXTINP_DCD_SHIFT)
  68 #define UART_EXTINP_DSR_SHIFT           3
  69 #define UART_EXTINP_DSR_MASK            (1 << UART_EXTINP_DSR_SHIFT)
  70 #define UART_EXTINP_IRSTAT(x)           (1 << (x + 4))
  71 #define UART_EXTINP_IRMASK(x)           (1 << (x + 8))
  72 #define UART_EXTINP_IR_RI               0
  73 #define UART_EXTINP_IR_CTS              1
  74 #define UART_EXTINP_IR_DCD              2
  75 #define UART_EXTINP_IR_DSR              3
  76 #define UART_EXTINP_RI_NOSENSE_SHIFT    16
  77 #define UART_EXTINP_RI_NOSENSE_MASK     (1 << UART_EXTINP_RI_NOSENSE_SHIFT)
  78 #define UART_EXTINP_CTS_NOSENSE_SHIFT   17
  79 #define UART_EXTINP_CTS_NOSENSE_MASK    (1 << UART_EXTINP_CTS_NOSENSE_SHIFT)
  80 #define UART_EXTINP_DCD_NOSENSE_SHIFT   18
  81 #define UART_EXTINP_DCD_NOSENSE_MASK    (1 << UART_EXTINP_DCD_NOSENSE_SHIFT)
  82 #define UART_EXTINP_DSR_NOSENSE_SHIFT   19
  83 #define UART_EXTINP_DSR_NOSENSE_MASK    (1 << UART_EXTINP_DSR_NOSENSE_SHIFT)
  84
  85 /* UART Interrupt register */
  86 #define UART_IR_REG                     0x10
  87 #define UART_IR_MASK(x)                 (1 << (x + 16))
  88 #define UART_IR_STAT(x)                 (1 << (x))
  89 #define UART_IR_EXTIP                   0
  90 #define UART_IR_TXUNDER                 1
  91 #define UART_IR_TXOVER                  2
  92 #define UART_IR_TXTRESH                 3
  93 #define UART_IR_TXRDLATCH               4
  94 #define UART_IR_TXEMPTY                 5
  95 #define UART_IR_RXUNDER                 6
  96 #define UART_IR_RXOVER                  7
  97 #define UART_IR_RXTIMEOUT               8
  98 #define UART_IR_RXFULL                  9
  99 #define UART_IR_RXTHRESH                10
 100 #define UART_IR_RXNOTEMPTY              11
 101 #define UART_IR_RXFRAMEERR              12
 102 #define UART_IR_RXPARERR                13
 103 #define UART_IR_RXBRK                   14
 104 #define UART_IR_TXDONE                  15
 105
 106 /* UART Fifo register */
 107 #define UART_FIFO_REG                   0x14
 108 #define UART_FIFO_VALID_SHIFT           0
 109 #define UART_FIFO_VALID_MASK            0xff
 110 #define UART_FIFO_FRAMEERR_SHIFT        8
 111 #define UART_FIFO_FRAMEERR_MASK         (1 << UART_FIFO_FRAMEERR_SHIFT)
 112 #define UART_FIFO_PARERR_SHIFT          9
 113 #define UART_FIFO_PARERR_MASK           (1 << UART_FIFO_PARERR_SHIFT)
 114 #define UART_FIFO_BRKDET_SHIFT          10
 115 #define UART_FIFO_BRKDET_MASK           (1 << UART_FIFO_BRKDET_SHIFT)
 116 #define UART_FIFO_ANYERR_MASK           (UART_FIFO_FRAMEERR_MASK |      \
 117                                         UART_FIFO_PARERR_MASK |         \
 118                                         UART_FIFO_BRKDET_MASK)
 119
 120 #endif /* _LINUX_SERIAL_BCM63XX_H */