drivers/tty/serial/sh-sci.h

   1 #include <linux/serial_core.h>
   2 #include <linux/io.h>
   3 #include <linux/gpio.h>
   4
   5 #if defined(CONFIG_H83007) || defined(CONFIG_H83068)
   6 #include <asm/regs306x.h>
   7 #endif
   8 #if defined(CONFIG_H8S2678)
   9 #include <asm/regs267x.h>
  10 #endif
  11
  12 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
  13     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
  14     defined(CONFIG_CPU_SUBTYPE_SH7708) || \
  15     defined(CONFIG_CPU_SUBTYPE_SH7709)
  16 # define SCPCR  0xA4000116 /* 16 bit SCI and SCIF */
  17 # define SCPDR  0xA4000136 /* 8  bit SCI and SCIF */
  18 #elif defined(CONFIG_CPU_SUBTYPE_SH7705)
  19 # define SCIF0          0xA4400000
  20 # define SCIF2          0xA4410000
  21 # define SCPCR 0xA4000116
  22 # define SCPDR 0xA4000136
  23 #elif defined(CONFIG_CPU_SUBTYPE_SH7720) || \
  24       defined(CONFIG_CPU_SUBTYPE_SH7721) || \
  25       defined(CONFIG_ARCH_SH73A0) || \
  26       defined(CONFIG_ARCH_SH7367) || \
  27       defined(CONFIG_ARCH_SH7377) || \
  28       defined(CONFIG_ARCH_SH7372)
  29 # define PORT_PTCR         0xA405011EUL
  30 # define PORT_PVCR         0xA4050122UL
  31 # define SCIF_ORER         0x0200   /* overrun error bit */
  32 #elif defined(CONFIG_SH_RTS7751R2D)
  33 # define SCSPTR1 0xFFE0001C /* 8 bit SCIF */
  34 # define SCSPTR2 0xFFE80020 /* 16 bit SCIF */
  35 # define SCIF_ORER 0x0001   /* overrun error bit */
  36 #elif defined(CONFIG_CPU_SUBTYPE_SH7750)  || \
  37       defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
  38       defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
  39       defined(CONFIG_CPU_SUBTYPE_SH7091)  || \
  40       defined(CONFIG_CPU_SUBTYPE_SH7751)  || \
  41       defined(CONFIG_CPU_SUBTYPE_SH7751R)
  42 # define SCSPTR1 0xffe0001c /* 8  bit SCI */
  43 # define SCSPTR2 0xFFE80020 /* 16 bit SCIF */
  44 # define SCIF_ORER 0x0001   /* overrun error bit */
  45 #elif defined(CONFIG_CPU_SUBTYPE_SH7760)
  46 # define SCSPTR0 0xfe600024 /* 16 bit SCIF */
  47 # define SCSPTR1 0xfe610024 /* 16 bit SCIF */
  48 # define SCSPTR2 0xfe620024 /* 16 bit SCIF */
  49 # define SCIF_ORER 0x0001  /* overrun error bit */
  50 #elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
  51 # define SCSPTR0 0xA4400000       /* 16 bit SCIF */
  52 # define SCIF_ORER 0x0001   /* overrun error bit */
  53 # define PACR 0xa4050100
  54 # define PBCR 0xa4050102
  55 #elif defined(CONFIG_CPU_SUBTYPE_SH7343)
  56 # define SCSPTR0 0xffe00010     /* 16 bit SCIF */
  57 # define SCSPTR1 0xffe10010     /* 16 bit SCIF */
  58 # define SCSPTR2 0xffe20010     /* 16 bit SCIF */
  59 # define SCSPTR3 0xffe30010     /* 16 bit SCIF */
  60 #elif defined(CONFIG_CPU_SUBTYPE_SH7722)
  61 # define PADR                   0xA4050120
  62 # define PSDR                   0xA405013e
  63 # define PWDR                   0xA4050166
  64 # define PSCR                   0xA405011E
  65 # define SCIF_ORER              0x0001  /* overrun error bit */
  66 #elif defined(CONFIG_CPU_SUBTYPE_SH7366)
  67 # define SCPDR0                 0xA405013E      /* 16 bit SCIF0 PSDR */
  68 # define SCSPTR0                SCPDR0
  69 # define SCIF_ORER              0x0001  /* overrun error bit */
  70 #elif defined(CONFIG_CPU_SUBTYPE_SH7723)
  71 # define SCSPTR0                0xa4050160
  72 # define SCSPTR1                0xa405013e
  73 # define SCSPTR2                0xa4050160
  74 # define SCSPTR3                0xa405013e
  75 # define SCSPTR4                0xa4050128
  76 # define SCSPTR5                0xa4050128
  77 # define SCIF_ORER              0x0001  /* overrun error bit */
  78 #elif defined(CONFIG_CPU_SUBTYPE_SH7724)
  79 # define SCIF_ORER              0x0001  /* overrun error bit */
  80 #elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
  81 # define SCSPTR2 0xffe80020 /* 16 bit SCIF */
  82 # define SCIF_ORER 0x0001   /* overrun error bit */
  83 #elif defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103)
  84 # define SCIF_PTR2_OFFS    0x0000020
  85 # define SCSPTR2           ((port->mapbase)+SCIF_PTR2_OFFS) /* 16 bit SCIF */
  86 #elif defined(CONFIG_H83007) || defined(CONFIG_H83068)
  87 # define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
  88 #elif defined(CONFIG_H8S2678)
  89 # define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
  90 #elif defined(CONFIG_CPU_SUBTYPE_SH7757)
  91 # define SCSPTR0 0xfe4b0020
  92 # define SCSPTR1 0xfe4b0020
  93 # define SCSPTR2 0xfe4b0020
  94 # define SCIF_ORER 0x0001
  95 # define SCIF_ONLY
  96 #elif defined(CONFIG_CPU_SUBTYPE_SH7763)
  97 # define SCSPTR0 0xffe00024 /* 16 bit SCIF */
  98 # define SCSPTR1 0xffe08024 /* 16 bit SCIF */
  99 # define SCSPTR2 0xffe10020 /* 16 bit SCIF/IRDA */
 100 # define SCIF_ORER 0x0001  /* overrun error bit */
 101 #elif defined(CONFIG_CPU_SUBTYPE_SH7770)
 102 # define SCSPTR0 0xff923020 /* 16 bit SCIF */
 103 # define SCSPTR1 0xff924020 /* 16 bit SCIF */
 104 # define SCSPTR2 0xff925020 /* 16 bit SCIF */
 105 # define SCIF_ORER 0x0001  /* overrun error bit */
 106 #elif defined(CONFIG_CPU_SUBTYPE_SH7780)
 107 # define SCSPTR0        0xffe00024      /* 16 bit SCIF */
 108 # define SCSPTR1        0xffe10024      /* 16 bit SCIF */
 109 # define SCIF_ORER      0x0001          /* Overrun error bit */
 110 #elif defined(CONFIG_CPU_SUBTYPE_SH7785) || \
 111       defined(CONFIG_CPU_SUBTYPE_SH7786)
 112 # define SCSPTR0        0xffea0024      /* 16 bit SCIF */
 113 # define SCSPTR1        0xffeb0024      /* 16 bit SCIF */
 114 # define SCSPTR2        0xffec0024      /* 16 bit SCIF */
 115 # define SCSPTR3        0xffed0024      /* 16 bit SCIF */
 116 # define SCSPTR4        0xffee0024      /* 16 bit SCIF */
 117 # define SCSPTR5        0xffef0024      /* 16 bit SCIF */
 118 # define SCIF_ORER      0x0001          /* Overrun error bit */
 119 #elif defined(CONFIG_CPU_SUBTYPE_SH7201) || \
 120       defined(CONFIG_CPU_SUBTYPE_SH7203) || \
 121       defined(CONFIG_CPU_SUBTYPE_SH7206) || \
 122       defined(CONFIG_CPU_SUBTYPE_SH7263)
 123 # define SCSPTR0 0xfffe8020 /* 16 bit SCIF */
 124 # define SCSPTR1 0xfffe8820 /* 16 bit SCIF */
 125 # define SCSPTR2 0xfffe9020 /* 16 bit SCIF */
 126 # define SCSPTR3 0xfffe9820 /* 16 bit SCIF */
 127 # if defined(CONFIG_CPU_SUBTYPE_SH7201)
 128 #  define SCSPTR4 0xfffeA020 /* 16 bit SCIF */
 129 #  define SCSPTR5 0xfffeA820 /* 16 bit SCIF */
 130 #  define SCSPTR6 0xfffeB020 /* 16 bit SCIF */
 131 #  define SCSPTR7 0xfffeB820 /* 16 bit SCIF */
 132 # endif
 133 #elif defined(CONFIG_CPU_SUBTYPE_SH7619)
 134 # define SCSPTR0 0xf8400020 /* 16 bit SCIF */
 135 # define SCSPTR1 0xf8410020 /* 16 bit SCIF */
 136 # define SCSPTR2 0xf8420020 /* 16 bit SCIF */
 137 # define SCIF_ORER 0x0001  /* overrun error bit */
 138 #elif defined(CONFIG_CPU_SUBTYPE_SHX3)
 139 # define SCSPTR0 0xffc30020             /* 16 bit SCIF */
 140 # define SCSPTR1 0xffc40020             /* 16 bit SCIF */
 141 # define SCSPTR2 0xffc50020             /* 16 bit SCIF */
 142 # define SCSPTR3 0xffc60020             /* 16 bit SCIF */
 143 # define SCIF_ORER 0x0001               /* Overrun error bit */
 144 #else
 145 # error CPU subtype not defined
 146 #endif
 147
 148 /* SCxSR SCI */
 149 #define SCI_TDRE  0x80 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
 150 #define SCI_RDRF  0x40 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
 151 #define SCI_ORER  0x20 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
 152 #define SCI_FER   0x10 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
 153 #define SCI_PER   0x08 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
 154 #define SCI_TEND  0x04 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
 155 /*      SCI_MPB   0x02  * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
 156 /*      SCI_MPBT  0x01  * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
 157
 158 #define SCI_ERRORS ( SCI_PER | SCI_FER | SCI_ORER)
 159
 160 /* SCxSR SCIF */
 161 #define SCIF_ER    0x0080 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
 162 #define SCIF_TEND  0x0040 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
 163 #define SCIF_TDFE  0x0020 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
 164 #define SCIF_BRK   0x0010 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
 165 #define SCIF_FER   0x0008 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
 166 #define SCIF_PER   0x0004 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
 167 #define SCIF_RDF   0x0002 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
 168 #define SCIF_DR    0x0001 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
 169
 170 #if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
 171     defined(CONFIG_CPU_SUBTYPE_SH7720) || \
 172     defined(CONFIG_CPU_SUBTYPE_SH7721) || \
 173     defined(CONFIG_ARCH_SH73A0) || \
 174     defined(CONFIG_ARCH_SH7367) || \
 175     defined(CONFIG_ARCH_SH7377) || \
 176     defined(CONFIG_ARCH_SH7372)
 177 # define SCIF_ORER    0x0200
 178 # define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK | SCIF_ORER)
 179 # define SCIF_RFDC_MASK 0x007f
 180 # define SCIF_TXROOM_MAX 64
 181 #elif defined(CONFIG_CPU_SUBTYPE_SH7763)
 182 # define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK )
 183 # define SCIF_RFDC_MASK 0x007f
 184 # define SCIF_TXROOM_MAX 64
 185 /* SH7763 SCIF2 support */
 186 # define SCIF2_RFDC_MASK 0x001f
 187 # define SCIF2_TXROOM_MAX 16
 188 #else
 189 # define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK)
 190 # define SCIF_RFDC_MASK 0x001f
 191 # define SCIF_TXROOM_MAX 16
 192 #endif
 193
 194 #ifndef SCIF_ORER
 195 #define SCIF_ORER       0x0000
 196 #endif
 197
 198 #define SCxSR_TEND(port)        (((port)->type == PORT_SCI) ? SCI_TEND   : SCIF_TEND)
 199 #define SCxSR_ERRORS(port)      (((port)->type == PORT_SCI) ? SCI_ERRORS : SCIF_ERRORS)
 200 #define SCxSR_RDxF(port)        (((port)->type == PORT_SCI) ? SCI_RDRF   : SCIF_RDF)
 201 #define SCxSR_TDxE(port)        (((port)->type == PORT_SCI) ? SCI_TDRE   : SCIF_TDFE)
 202 #define SCxSR_FER(port)         (((port)->type == PORT_SCI) ? SCI_FER    : SCIF_FER)
 203 #define SCxSR_PER(port)         (((port)->type == PORT_SCI) ? SCI_PER    : SCIF_PER)
 204 #define SCxSR_BRK(port)         (((port)->type == PORT_SCI) ? 0x00       : SCIF_BRK)
 205 #define SCxSR_ORER(port)        (((port)->type == PORT_SCI) ? SCI_ORER   : SCIF_ORER)
 206
 207 #if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
 208     defined(CONFIG_CPU_SUBTYPE_SH7720) || \
 209     defined(CONFIG_CPU_SUBTYPE_SH7721) || \
 210     defined(CONFIG_ARCH_SH73A0) || \
 211     defined(CONFIG_ARCH_SH7367) || \
 212     defined(CONFIG_ARCH_SH7377) || \
 213     defined(CONFIG_ARCH_SH7372)
 214 # define SCxSR_RDxF_CLEAR(port)  (sci_in(port, SCxSR) & 0xfffc)
 215 # define SCxSR_ERROR_CLEAR(port) (sci_in(port, SCxSR) & 0xfd73)
 216 # define SCxSR_TDxE_CLEAR(port)  (sci_in(port, SCxSR) & 0xffdf)
 217 # define SCxSR_BREAK_CLEAR(port) (sci_in(port, SCxSR) & 0xffe3)
 218 #else
 219 # define SCxSR_RDxF_CLEAR(port)  (((port)->type == PORT_SCI) ? 0xbc : 0x00fc)
 220 # define SCxSR_ERROR_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x0073)
 221 # define SCxSR_TDxE_CLEAR(port)  (((port)->type == PORT_SCI) ? 0x78 : 0x00df)
 222 # define SCxSR_BREAK_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x00e3)
 223 #endif
 224
 225 /* SCFCR */
 226 #define SCFCR_RFRST 0x0002
 227 #define SCFCR_TFRST 0x0004
 228 #define SCFCR_MCE   0x0008
 229
 230 #define SCI_MAJOR               204
 231 #define SCI_MINOR_START         8
 232
 233 #define SCI_IN(size, offset)                                    \
 234   if ((size) == 8) {                                            \
 235     return ioread8(port->membase + (offset));                   \
 236   } else {                                                      \
 237     return ioread16(port->membase + (offset));                  \
 238   }
 239 #define SCI_OUT(size, offset, value)                            \
 240   if ((size) == 8) {                                            \
 241     iowrite8(value, port->membase + (offset));                  \
 242   } else if ((size) == 16) {                                    \
 243     iowrite16(value, port->membase + (offset));                 \
 244   }
 245
 246 #define CPU_SCIx_FNS(name, sci_offset, sci_size, scif_offset, scif_size)\
 247   static inline unsigned int sci_##name##_in(struct uart_port *port)    \
 248   {                                                                     \
 249     if (port->type == PORT_SCIF || port->type == PORT_SCIFB) {          \
 250       SCI_IN(scif_size, scif_offset)                                    \
 251     } else {    /* PORT_SCI or PORT_SCIFA */                            \
 252       SCI_IN(sci_size, sci_offset);                                     \
 253     }                                                                   \
 254   }                                                                     \
 255   static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
 256   {                                                                     \
 257     if (port->type == PORT_SCIF || port->type == PORT_SCIFB) {          \
 258       SCI_OUT(scif_size, scif_offset, value)                            \
 259     } else {    /* PORT_SCI or PORT_SCIFA */                            \
 260       SCI_OUT(sci_size, sci_offset, value);                             \
 261     }                                                                   \
 262   }
 263
 264 #ifdef CONFIG_H8300
 265 /* h8300 don't have SCIF */
 266 #define CPU_SCIF_FNS(name)                                              \
 267   static inline unsigned int sci_##name##_in(struct uart_port *port)    \
 268   {                                                                     \
 269     return 0;                                                           \
 270   }                                                                     \
 271   static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
 272   {                                                                     \
 273   }
 274 #else
 275 #define CPU_SCIF_FNS(name, scif_offset, scif_size)                      \
 276   static inline unsigned int sci_##name##_in(struct uart_port *port)    \
 277   {                                                                     \
 278     SCI_IN(scif_size, scif_offset);                                     \
 279   }                                                                     \
 280   static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
 281   {                                                                     \
 282     SCI_OUT(scif_size, scif_offset, value);                             \
 283   }
 284 #endif
 285
 286 #define CPU_SCI_FNS(name, sci_offset, sci_size)                         \
 287   static inline unsigned int sci_##name##_in(struct uart_port* port)    \
 288   {                                                                     \
 289     SCI_IN(sci_size, sci_offset);                                       \
 290   }                                                                     \
 291   static inline void sci_##name##_out(struct uart_port* port, unsigned int value) \
 292   {                                                                     \
 293     SCI_OUT(sci_size, sci_offset, value);                               \
 294   }
 295
 296 #if defined(CONFIG_CPU_SH3) || \
 297     defined(CONFIG_ARCH_SH73A0) || \
 298     defined(CONFIG_ARCH_SH7367) || \
 299     defined(CONFIG_ARCH_SH7377) || \
 300     defined(CONFIG_ARCH_SH7372)
 301 #if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
 302 #define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
 303                                 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
 304                                  h8_sci_offset, h8_sci_size) \
 305   CPU_SCIx_FNS(name, sh4_sci_offset, sh4_sci_size, sh4_scif_offset, sh4_scif_size)
 306 #define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
 307           CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
 308 #elif defined(CONFIG_CPU_SUBTYPE_SH7705) || \
 309       defined(CONFIG_CPU_SUBTYPE_SH7720) || \
 310       defined(CONFIG_CPU_SUBTYPE_SH7721) || \
 311       defined(CONFIG_ARCH_SH73A0) || \
 312       defined(CONFIG_ARCH_SH7367) || \
 313       defined(CONFIG_ARCH_SH7377)
 314 #define SCIF_FNS(name, scif_offset, scif_size) \
 315   CPU_SCIF_FNS(name, scif_offset, scif_size)
 316 #elif defined(CONFIG_ARCH_SH7372)
 317 #define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scifb_offset, sh4_scifb_size) \
 318   CPU_SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scifb_offset, sh4_scifb_size)
 319 #define SCIF_FNS(name, scif_offset, scif_size) \
 320   CPU_SCIF_FNS(name, scif_offset, scif_size)
 321 #else
 322 #define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
 323                  sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
 324                  h8_sci_offset, h8_sci_size) \
 325   CPU_SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh3_scif_offset, sh3_scif_size)
 326 #define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
 327   CPU_SCIF_FNS(name, sh3_scif_offset, sh3_scif_size)
 328 #endif
 329 #elif defined(__H8300H__) || defined(__H8300S__)
 330 #define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
 331                  sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
 332                  h8_sci_offset, h8_sci_size) \
 333   CPU_SCI_FNS(name, h8_sci_offset, h8_sci_size)
 334 #define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
 335   CPU_SCIF_FNS(name)
 336 #elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\
 337       defined(CONFIG_CPU_SUBTYPE_SH7724)
 338         #define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scif_offset, sh4_scif_size) \
 339                 CPU_SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scif_offset, sh4_scif_size)
 340         #define SCIF_FNS(name, sh4_scif_offset, sh4_scif_size) \
 341                 CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
 342 #else
 343 #define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
 344                  sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
 345                  h8_sci_offset, h8_sci_size) \
 346   CPU_SCIx_FNS(name, sh4_sci_offset, sh4_sci_size, sh4_scif_offset, sh4_scif_size)
 347 #define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
 348   CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
 349 #endif
 350
 351 #if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
 352     defined(CONFIG_CPU_SUBTYPE_SH7720) || \
 353     defined(CONFIG_CPU_SUBTYPE_SH7721) || \
 354     defined(CONFIG_ARCH_SH73A0) || \
 355     defined(CONFIG_ARCH_SH7367) || \
 356     defined(CONFIG_ARCH_SH7377)
 357
 358 SCIF_FNS(SCSMR,  0x00, 16)
 359 SCIF_FNS(SCBRR,  0x04,  8)
 360 SCIF_FNS(SCSCR,  0x08, 16)
 361 SCIF_FNS(SCxSR,  0x14, 16)
 362 SCIF_FNS(SCFCR,  0x18, 16)
 363 SCIF_FNS(SCFDR,  0x1c, 16)
 364 SCIF_FNS(SCxTDR, 0x20,  8)
 365 SCIF_FNS(SCxRDR, 0x24,  8)
 366 SCIF_FNS(SCLSR,  0x00,  0)
 367 #elif defined(CONFIG_ARCH_SH7372)
 368 SCIF_FNS(SCSMR,  0x00, 16)
 369 SCIF_FNS(SCBRR,  0x04,  8)
 370 SCIF_FNS(SCSCR,  0x08, 16)
 371 SCIF_FNS(SCTDSR, 0x0c, 16)
 372 SCIF_FNS(SCFER,  0x10, 16)
 373 SCIF_FNS(SCxSR,  0x14, 16)
 374 SCIF_FNS(SCFCR,  0x18, 16)
 375 SCIF_FNS(SCFDR,  0x1c, 16)
 376 SCIF_FNS(SCTFDR, 0x38, 16)
 377 SCIF_FNS(SCRFDR, 0x3c, 16)
 378 SCIx_FNS(SCxTDR, 0x20,  8, 0x40,  8)
 379 SCIx_FNS(SCxRDR, 0x24,  8, 0x60,  8)
 380 SCIF_FNS(SCLSR,  0x00,  0)
 381 #elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\
 382       defined(CONFIG_CPU_SUBTYPE_SH7724)
 383 SCIx_FNS(SCSMR,  0x00, 16, 0x00, 16)
 384 SCIx_FNS(SCBRR,  0x04,  8, 0x04,  8)
 385 SCIx_FNS(SCSCR,  0x08, 16, 0x08, 16)
 386 SCIx_FNS(SCxTDR, 0x20,  8, 0x0c,  8)
 387 SCIx_FNS(SCxSR,  0x14, 16, 0x10, 16)
 388 SCIx_FNS(SCxRDR, 0x24,  8, 0x14,  8)
 389 SCIx_FNS(SCSPTR, 0,     0,    0,  0)
 390 SCIF_FNS(SCFCR,  0x18, 16)
 391 SCIF_FNS(SCFDR,  0x1c, 16)
 392 SCIF_FNS(SCLSR,  0x24, 16)
 393 #else
 394 /*      reg      SCI/SH3   SCI/SH4  SCIF/SH3   SCIF/SH4  SCI/H8*/
 395 /*      name     off  sz   off  sz   off  sz   off  sz   off  sz*/
 396 SCIx_FNS(SCSMR,  0x00,  8, 0x00,  8, 0x00,  8, 0x00, 16, 0x00,  8)
 397 SCIx_FNS(SCBRR,  0x02,  8, 0x04,  8, 0x02,  8, 0x04,  8, 0x01,  8)
 398 SCIx_FNS(SCSCR,  0x04,  8, 0x08,  8, 0x04,  8, 0x08, 16, 0x02,  8)
 399 SCIx_FNS(SCxTDR, 0x06,  8, 0x0c,  8, 0x06,  8, 0x0C,  8, 0x03,  8)
 400 SCIx_FNS(SCxSR,  0x08,  8, 0x10,  8, 0x08, 16, 0x10, 16, 0x04,  8)
 401 SCIx_FNS(SCxRDR, 0x0a,  8, 0x14,  8, 0x0A,  8, 0x14,  8, 0x05,  8)
 402 SCIF_FNS(SCFCR,                      0x0c,  8, 0x18, 16)
 403 #if defined(CONFIG_CPU_SUBTYPE_SH7760) || \
 404     defined(CONFIG_CPU_SUBTYPE_SH7780) || \
 405     defined(CONFIG_CPU_SUBTYPE_SH7785) || \
 406     defined(CONFIG_CPU_SUBTYPE_SH7786)
 407 SCIF_FNS(SCFDR,                      0x0e, 16, 0x1C, 16)
 408 SCIF_FNS(SCTFDR,                     0x0e, 16, 0x1C, 16)
 409 SCIF_FNS(SCRFDR,                     0x0e, 16, 0x20, 16)
 410 SCIF_FNS(SCSPTR,                        0,  0, 0x24, 16)
 411 SCIF_FNS(SCLSR,                         0,  0, 0x28, 16)
 412 #elif defined(CONFIG_CPU_SUBTYPE_SH7763)
 413 SCIF_FNS(SCFDR,                         0,  0, 0x1C, 16)
 414 SCIF_FNS(SCSPTR2,                       0,  0, 0x20, 16)
 415 SCIF_FNS(SCTFDR,                     0x0e, 16, 0x1C, 16)
 416 SCIF_FNS(SCRFDR,                     0x0e, 16, 0x20, 16)
 417 SCIF_FNS(SCSPTR,                        0,  0, 0x24, 16)
 418 SCIF_FNS(SCLSR,                         0,  0, 0x28, 16)
 419 #else
 420 SCIF_FNS(SCFDR,                      0x0e, 16, 0x1C, 16)
 421 #if defined(CONFIG_CPU_SUBTYPE_SH7722)
 422 SCIF_FNS(SCSPTR,                        0,  0, 0, 0)
 423 #else
 424 SCIF_FNS(SCSPTR,                        0,  0, 0x20, 16)
 425 #endif
 426 SCIF_FNS(SCLSR,                         0,  0, 0x24, 16)
 427 #endif
 428 #endif
 429 #define sci_in(port, reg) sci_##reg##_in(port)
 430 #define sci_out(port, reg, value) sci_##reg##_out(port, value)
 431
 432 /* H8/300 series SCI pins assignment */
 433 #if defined(__H8300H__) || defined(__H8300S__)
 434 static const struct __attribute__((packed)) {
 435         int port;             /* GPIO port no */
 436         unsigned short rx,tx; /* GPIO bit no */
 437 } h8300_sci_pins[] = {
 438 #if defined(CONFIG_H83007) || defined(CONFIG_H83068)
 439         {    /* SCI0 */
 440                 .port = H8300_GPIO_P9,
 441                 .rx   = H8300_GPIO_B2,
 442                 .tx   = H8300_GPIO_B0,
 443         },
 444         {    /* SCI1 */
 445                 .port = H8300_GPIO_P9,
 446                 .rx   = H8300_GPIO_B3,
 447                 .tx   = H8300_GPIO_B1,
 448         },
 449         {    /* SCI2 */
 450                 .port = H8300_GPIO_PB,
 451                 .rx   = H8300_GPIO_B7,
 452                 .tx   = H8300_GPIO_B6,
 453         }
 454 #elif defined(CONFIG_H8S2678)
 455         {    /* SCI0 */
 456                 .port = H8300_GPIO_P3,
 457                 .rx   = H8300_GPIO_B2,
 458                 .tx   = H8300_GPIO_B0,
 459         },
 460         {    /* SCI1 */
 461                 .port = H8300_GPIO_P3,
 462                 .rx   = H8300_GPIO_B3,
 463                 .tx   = H8300_GPIO_B1,
 464         },
 465         {    /* SCI2 */
 466                 .port = H8300_GPIO_P5,
 467                 .rx   = H8300_GPIO_B1,
 468                 .tx   = H8300_GPIO_B0,
 469         }
 470 #endif
 471 };
 472 #endif
 473
 474 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
 475     defined(CONFIG_CPU_SUBTYPE_SH7707) || \
 476     defined(CONFIG_CPU_SUBTYPE_SH7708) || \
 477     defined(CONFIG_CPU_SUBTYPE_SH7709)
 478 static inline int sci_rxd_in(struct uart_port *port)
 479 {
 480         if (port->mapbase == 0xfffffe80)
 481                 return __raw_readb(SCPDR)&0x01 ? 1 : 0; /* SCI */
 482         return 1;
 483 }
 484 #elif defined(CONFIG_CPU_SUBTYPE_SH7750)  || \
 485       defined(CONFIG_CPU_SUBTYPE_SH7751)  || \
 486       defined(CONFIG_CPU_SUBTYPE_SH7751R) || \
 487       defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
 488       defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
 489       defined(CONFIG_CPU_SUBTYPE_SH7091)
 490 static inline int sci_rxd_in(struct uart_port *port)
 491 {
 492         if (port->mapbase == 0xffe00000)
 493                 return __raw_readb(SCSPTR1)&0x01 ? 1 : 0; /* SCI */
 494         return 1;
 495 }
 496 #elif defined(__H8300H__) || defined(__H8300S__)
 497 static inline int sci_rxd_in(struct uart_port *port)
 498 {
 499         int ch = (port->mapbase - SMR0) >> 3;
 500         return (H8300_SCI_DR(ch) & h8300_sci_pins[ch].rx) ? 1 : 0;
 501 }
 502 #else /* default case for non-SCI processors */
 503 static inline int sci_rxd_in(struct uart_port *port)
 504 {
 505         return 1;
 506 }
 507 #endif