ports_def.h Source File

00001 /* m68hc11/ports_def.h -- Definition of 68HC11 ports
00002    Copyright 1999, 2000 Free Software Foundation, Inc.
00003    Written by Stephane Carrez (stcarrez@worldnet.fr)
00004 
00005 This file is part of GDB, GAS, and the GNU binutils.
00006 
00007 GDB, GAS, and the GNU binutils are free software; you can redistribute
00008 them and/or modify them under the terms of the GNU General Public
00009 License as published by the Free Software Foundation; either version
00010 1, or (at your option) any later version.
00011 
00012 GDB, GAS, and the GNU binutils are distributed in the hope that they
00013 will be useful, but WITHOUT ANY WARRANTY; without even the implied
00014 warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
00015 the GNU General Public License for more details.
00016 
00017 You should have received a copy of the GNU General Public License
00018 along with this file; see the file COPYING.  If not, write to the Free
00019 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
00020 
00021 #ifndef _M68HC11_PORTS_DEF_H
00022 #define _M68HC11_PORTS_DEF_H
00023 
00024 /* Flags for the definition of the 68HC11 & 68HC12 CCR.  */
00025 #define M6811_S_BIT     0x80    /* Stop disable */
00026 #define M6811_X_BIT     0x40    /* X-interrupt mask */
00027 #define M6811_H_BIT     0x20    /* Half carry flag */
00028 #define M6811_I_BIT     0x10    /* I-interrupt mask */
00029 #define M6811_N_BIT     0x08    /* Negative */
00030 #define M6811_Z_BIT     0x04    /* Zero */
00031 #define M6811_V_BIT     0x02    /* Overflow */
00032 #define M6811_C_BIT     0x01    /* Carry */
00033 
00034 /* 68HC11 register address offsets (range 0..0x3F or 0..64).
00035    The absolute address of the I/O register depends on the setting
00036    of the M6811_INIT register.  At init time, the I/O registers are
00037    mapped at 0x1000.  Address of registers is then:
00038 
00039    0x1000 + M6811_xxx
00040 */
00041 #define M6811_PORTA     0x00    /* Port A register */
00042 #define M6811__RES1     0x01    /* Unused/Reserved */
00043 #define M6811_PIOC      0x02    /* Parallel I/O Control register */
00044 #define M6811_PORTC     0x03    /* Port C register */
00045 #define M6811_PORTB     0x04    /* Port B register */
00046 #define M6811_PORTCL    0x05    /* Alternate latched port C */
00047 #define M6811__RES6     0x06    /* Unused/Reserved */
00048 #define M6811_DDRC      0x07    /* Data direction register for port C */
00049 #define M6811_PORTD     0x08    /* Port D register */
00050 #define M6811_DDRD      0x09    /* Data direction register for port D */
00051 #define M6811_PORTE     0x0A    /* Port E input register */
00052 #define M6811_CFORC     0x0B    /* Compare Force Register */
00053 #define M6811_OC1M      0x0C    /* OC1 Action Mask register */
00054 #define M6811_OC1D      0x0D    /* OC1 Action Data register */
00055 #define M6811_TCTN      0x0E    /* Timer Counter Register */
00056 #define M6811_TCTN_H    0x0E    /* "     "       " High part */
00057 #define M6811_TCTN_L    0x0F    /* "     "       " Low part */
00058 #define M6811_TIC1      0x10    /* Input capture 1 register */
00059 #define M6811_TIC1_H    0x10    /* "     "       " High part */
00060 #define M6811_TIC1_L    0x11    /* "     "       " Low part */
00061 #define M6811_TIC2      0x12    /* Input capture 2 register */
00062 #define M6811_TIC2_H    0x12    /* "     "       " High part */
00063 #define M6811_TIC2_L    0x13    /* "     "       " Low part */
00064 #define M6811_TIC3      0x14    /* Input capture 3 register */
00065 #define M6811_TIC3_H    0x14    /* "     "       " High part */
00066 #define M6811_TIC3_L    0x15    /* "     "       " Low part */
00067 #define M6811_TOC1      0x16    /* Output Compare 1 register */
00068 #define M6811_TOC1_H    0x16    /* "     "       " High part */
00069 #define M6811_TOC1_L    0x17    /* "     "       " Low part */
00070 #define M6811_TOC2      0x18    /* Output Compare 2 register */
00071 #define M6811_TOC2_H    0x18    /* "     "       " High part */
00072 #define M6811_TOC2_L    0x19    /* "     "       " Low part */
00073 #define M6811_TOC3      0x1A    /* Output Compare 3 register */
00074 #define M6811_TOC3_H    0x1A    /* "     "       " High part */
00075 #define M6811_TOC3_L    0x1B    /* "     "       " Low part */
00076 #define M6811_TOC4      0x1C    /* Output Compare 4 register */
00077 #define M6811_TOC4_H    0x1C    /* "     "       " High part */
00078 #define M6811_TOC4_L    0x1D    /* "     "       " Low part */
00079 #define M6811_TOC5      0x1E    /* Output Compare 5 register */
00080 #define M6811_TOC5_H    0x1E    /* "     "       " High part */
00081 #define M6811_TOC5_L    0x1F    /* "     "       " Low part */
00082 #define M6811_TCTL1     0x20    /* Timer Control register 1 */
00083 #define M6811_TCTL2     0x21    /* Timer Control register 2 */
00084 #define M6811_TMSK1     0x22    /* Timer Interrupt Mask Register 1 */
00085 #define M6811_TFLG1     0x23    /* Timer Interrupt Flag Register 1 */
00086 #define M6811_TMSK2     0x24    /* Timer Interrupt Mask Register 2 */
00087 #define M6811_TFLG2     0x25    /* Timer Interrupt Flag Register 2 */
00088 #define M6811_PACTL     0x26    /* Pulse Accumulator Control Register */
00089 #define M6811_PACNT     0x27    /* Pulse Accumulator Count Register */
00090 #define M6811_SPCR      0x28    /* SPI Control register */
00091 #define M6811_SPSR      0x29    /* SPI Status register */
00092 #define M6811_SPDR      0x2A    /* SPI Data register */
00093 #define M6811_BAUD      0x2B    /* SCI Baud register */
00094 #define M6811_SCCR1     0x2C    /* SCI Control register 1 */
00095 #define M6811_SCCR2     0x2D    /* SCI Control register 2 */
00096 #define M6811_SCSR      0x2E    /* SCI Status register */
00097 #define M6811_SCDR      0x2F    /* SCI Data (Read => RDR, Write => TDR) */
00098 #define M6811_ADCTL     0x30    /* A/D Control register */
00099 #define M6811_ADR1      0x31    /* A/D, Analog Result register 1 */
00100 #define M6811_ADR2      0x32    /* A/D, Analog Result register 2 */
00101 #define M6811_ADR3      0x33    /* A/D, Analog Result register 3 */
00102 #define M6811_ADR4      0x34    /* A/D, Analog Result register 4 */
00103 #define M6811__RES35    0x35
00104 #define M6811__RES36    0x36
00105 #define M6811__RES37    0x37
00106 #define M6811__RES38    0x38
00107 #define M6811_OPTION    0x39    /* System Configuration Options */
00108 #define M6811_COPRST    0x3A    /* Arm/Reset COP Timer Circuitry */
00109 #define M6811_PPROG     0x3B    /* EEPROM Programming Control Register */
00110 #define M6811_HPRIO     0x3C    /* Highest priority I-Bit int and misc */
00111 #define M6811_INIT      0x3D    /* Ram and I/O mapping register */
00112 #define M6811_TEST1     0x3E    /* Factory test control register */
00113 #define M6811_CONFIG    0x3F    /* COP, ROM and EEPROM enables */
00114 
00115 
00116 /* Flags of the CONFIG register (in EEPROM).  */
00117 #define M6811_NOSEC     0x08    /* Security mode disable */
00118 #define M6811_NOCOP     0x04    /* COP system disable */
00119 #define M6811_ROMON     0x02    /* Enable on-chip rom */
00120 #define M6811_EEON      0x01    /* Enable on-chip eeprom */
00121 
00122 /* Flags of the PPROG register.  */
00123 #define M6811_BYTE      0x10    /* Byte mode */
00124 #define M6811_ROW       0x08    /* Row mode */
00125 #define M6811_ERASE     0x04    /* Erase mode select (1 = erase, 0 = read) */
00126 #define M6811_EELAT     0x02    /* EEPROM Latch Control */
00127 #define M6811_EEPGM     0x01    /* EEPROM Programming Voltage Enable */
00128 
00129 /* Flags of the PIOC register.  */
00130 #define M6811_STAF      0x80    /* Strobe A Interrupt Status Flag */
00131 #define M6811_STAI      0x40    /* Strobe A Interrupt Enable Mask */
00132 #define M6811_CWOM      0x20    /* Port C Wire OR mode */
00133 #define M6811_HNDS      0x10    /* Handshake mode */
00134 #define M6811_OIN       0x08    /* Output or Input handshaking */
00135 #define M6811_PLS       0x04    /* Pulse/Interlocked Handshake Operation */
00136 #define M6811_EGA       0x02    /* Active Edge for Strobe A */
00137 #define M6811_INVB      0x01    /* Invert Strobe B */
00138 
00139 /* Flags of the SCCR1 register.  */
00140 #define M6811_R8        0x80    /* Receive Data bit 8 */
00141 #define M6811_T8        0x40    /* Transmit data bit 8 */
00142 #define M6811__SCCR1_5  0x20    /* Unused */
00143 #define M6811_M         0x10    /* SCI Character length */
00144 #define M6811_WAKE      0x08    /* Wake up method select (0=idle, 1=addr mark) */
00145 
00146 /* Flags of the SCCR2 register.  */
00147 #define M6811_TIE       0x80    /* Transmit Interrupt enable */
00148 #define M6811_TCIE      0x40    /* Transmit Complete Interrupt Enable */
00149 #define M6811_RIE       0x20    /* Receive Interrupt Enable */
00150 #define M6811_ILIE      0x10    /* Idle Line Interrupt Enable */
00151 #define M6811_TE        0x08    /* Transmit Enable */
00152 #define M6811_RE        0x04    /* Receive Enable */
00153 #define M6811_RWU       0x02    /* Receiver Wake Up */
00154 #define M6811_SBK       0x01    /* Send Break */
00155 
00156 /* Flags of the SCSR register.  */
00157 #define M6811_TDRE      0x80    /* Transmit Data Register Empty */
00158 #define M6811_TC        0x40    /* Transmit Complete */
00159 #define M6811_RDRF      0x20    /* Receive Data Register Full */
00160 #define M6811_IDLE      0x10    /* Idle Line Detect */
00161 #define M6811_OR        0x08    /* Overrun Error */
00162 #define M6811_NF        0x04    /* Noise Flag */
00163 #define M6811_FE        0x02    /* Framing Error */
00164 #define M6811__SCSR_0   0x01    /* Unused */
00165 
00166 /* Flags of the BAUD register.  */
00167 #define M6811_TCLR      0x80    /* Clear Baud Rate (TEST mode) */
00168 #define M6811__BAUD_6   0x40    /* Not used */
00169 #define M6811_SCP1      0x20    /* SCI Baud rate prescaler select */
00170 #define M6811_SCP0      0x10
00171 #define M6811_RCKB      0x08    /* Baud Rate Clock Check (TEST mode) */
00172 #define M6811_SCR2      0x04    /* SCI Baud rate select */
00173 #define M6811_SCR1      0x02
00174 #define M6811_SCR0      0x01
00175 
00176 #define M6811_BAUD_DIV_1        (0)
00177 #define M6811_BAUD_DIV_3        (M6811_SCP0)
00178 #define M6811_BAUD_DIV_4        (M6811_SCP1)
00179 #define M6811_BAUD_DIV_13       (M6811_SCP1|M6811_SCP0)
00180 
00181 /* Flags of the SPCR register.  */
00182 #define M6811_SPIE      0x80    /* Serial Peripheral Interrupt Enable */
00183 #define M6811_SPE       0x40    /* Serial Peripheral System Enable */
00184 #define M6811_DWOM      0x20    /* Port D Wire-OR mode option */
00185 #define M6811_MSTR      0x10    /* Master Mode Select */
00186 #define M6811_CPOL      0x08    /* Clock Polarity */
00187 #define M6811_CPHA      0x04    /* Clock Phase */
00188 #define M6811_SPR1      0x02    /* SPI Clock Rate Select */
00189 #define M6811_SPR0      0x01
00190 
00191 /* Flags of the SPSR register.  */
00192 #define M6811_SPIF      0x80    /* SPI Transfer Complete flag */
00193 #define M6811_WCOL      0x40    /* Write Collision */
00194 #define M6811_MODF      0x20    /* Mode Fault */
00195 
00196 /* Flags of the ADCTL register.  */
00197 #define M6811_CCF       0x80    /* Conversions Complete Flag */
00198 #define M6811_SCAN      0x20    /* Continuous Scan Control */
00199 #define M6811_MULT      0x10    /* Multiple Channel/Single Channel Control */
00200 #define M6811_CD        0x08    /* Channel Select D */
00201 #define M6811_CC        0x04    /*                C */
00202 #define M6811_CB        0x02    /*                B */
00203 #define M6811_CA        0x01    /*                A */
00204 
00205 /* Flags of the CFORC register.  */
00206 #define M6811_FOC1      0x80    /* Force Output Compare 1 */
00207 #define M6811_FOC2      0x40    /*                      2 */
00208 #define M6811_FOC3      0x20    /*                      3 */
00209 #define M6811_FOC4      0x10    /*                      4 */
00210 #define M6811_FOC5      0x08    /*                      5 */
00211 
00212 /* Flags of the OC1M register.  */
00213 #define M6811_OC1M7     0x80    /* Output Compare 7 */
00214 #define M6811_OC1M6     0x40    /*                6 */
00215 #define M6811_OC1M5     0x40    /*                5 */
00216 #define M6811_OC1M4     0x40    /*                4 */
00217 #define M6811_OC1M3     0x08    /*                3 */
00218 
00219 /* Flags of the OC1D register.  */
00220 #define M6811_OC1D7     0x80
00221 #define M6811_OC1D6     0x40
00222 #define M6811_OC1D5     0x20
00223 #define M6811_OC1D4     0x10
00224 #define M6811_OC1D3     0x08
00225 
00226 /* Flags of the TCTL1 register.  */
00227 #define M6811_OM2       0x80    /* Output Mode 2 */
00228 #define M6811_OL2       0x40    /* Output Level 2 */
00229 #define M6811_OM3       0x20
00230 #define M6811_OL3       0x10
00231 #define M6811_OM4       0x08
00232 #define M6811_OL4       0x04
00233 #define M6811_OM5       0x02
00234 #define M6811_OL5       0x01
00235 
00236 /* Flags of the TCTL2 register.  */
00237 #define M6811_EDG1B     0x20    /* Input Edge Capture Control 1 */
00238 #define M6811_EDG1A     0x10
00239 #define M6811_EDG2B     0x08    /* Input 2 */
00240 #define M6811_EDG2A     0x04
00241 #define M6811_EDG3B     0x02    /* Input 3 */
00242 #define M6811_EDG3A     0x01
00243 
00244 /* Flags of the TMSK1 register.  */
00245 #define M6811_OC1I      0x80    /* Output Compare 1 Interrupt */
00246 #define M6811_OC2I      0x40    /*                2           */
00247 #define M6811_OC3I      0x20    /*                3           */
00248 #define M6811_OC4I      0x10    /*                4           */
00249 #define M6811_OC5I      0x08    /*                5           */
00250 #define M6811_IC1I      0x04    /* Input Capture  1 Interrupt */
00251 #define M6811_IC2I      0x02    /*                2           */
00252 #define M6811_IC3I      0x01    /*                3           */
00253 
00254 /* Flags of the TFLG1 register.  */
00255 #define M6811_OC1F      0x80    /* Output Compare 1 Flag */
00256 #define M6811_OC2F      0x40    /*                2      */
00257 #define M6811_OC3F      0x20    /*                3      */
00258 #define M6811_OC4F      0x10    /*                4      */
00259 #define M6811_OC5F      0x08    /*                5      */
00260 #define M6811_IC1F      0x04    /* Input Capture  1 Flag */
00261 #define M6811_IC2F      0x02    /*                2      */
00262 #define M6811_IC3F      0x01    /*                3      */
00263 
00264 /* Flags of Timer Interrupt Mask Register 2 (TMSK2).  */
00265 #define M6811_TOI       0x80    /* Timer Overflow Interrupt Enable */
00266 #define M6811_RTII      0x40    /* RTI Interrupt Enable */
00267 #define M6811_PAOVI     0x20    /* Pulse Accumulator Overflow Interrupt En. */
00268 #define M6811_PAII      0x10    /* Pulse Accumulator Interrupt Enable */
00269 #define M6811_PR1       0x02    /* Timer prescaler */
00270 #define M6811_PR0       0x01    /* Timer prescaler */
00271 #define M6811_TPR_1     0x00    /* " " prescale div 1 */
00272 #define M6811_TPR_4     0x01    /* " " prescale div 4 */
00273 #define M6811_TPR_8     0x02    /* " " prescale div 8 */
00274 #define M6811_TPR_16    0x03    /* " " prescale div 16 */
00275 
00276 /* Flags of Timer Interrupt Flag Register 2 (M6811_TFLG2).  */
00277 #define M6811_TOF       0x80    /* Timer overflow bit */
00278 #define M6811_RTIF      0x40    /* Read time interrupt flag */
00279 #define M6811_PAOVF     0x20    /* Pulse accumulator overflow Interrupt flag */
00280 #define M6811_PAIF      0x10    /* Pulse accumulator Input Edge " " " */
00281 
00282 /* Flags of Pulse Accumulator Control Register (PACTL).  */
00283 #define M6811_DDRA7     0x80    /* Data direction for port A bit 7 */
00284 #define M6811_PAEN      0x40    /* Pulse accumulator system enable */
00285 #define M6811_PAMOD     0x20    /* Pulse accumulator mode */
00286 #define M6811_PEDGE     0x10    /* Pulse accumulator edge control */
00287 #define M6811_RTR1      0x02    /* RTI Interrupt rates select */
00288 #define M6811_RTR0      0x01    /* " " " " */
00289 
00290 /* Flags of the Options register.  */
00291 #define M6811_ADPU      0x80    /* A/D Powerup */
00292 #define M6811_CSEL      0x40    /* A/D/EE Charge pump clock source select */
00293 #define M6811_IRQE      0x20    /* IRQ Edge/Level sensitive */
00294 #define M6811_DLY       0x10    /* Stop exit turn on delay */
00295 #define M6811_CME       0x08    /* Clock Monitor enable */
00296 #define M6811_CR1       0x02    /* COP timer rate select */
00297 #define M6811_CR0       0x01    /* COP timer rate select */
00298 
00299 /* Flags of the HPRIO register.  */
00300 #define M6811_RBOOT     0x80    /* Read Bootstrap ROM */
00301 #define M6811_SMOD      0x40    /* Special Mode */
00302 #define M6811_MDA       0x20    /* Mode Select A */
00303 #define M6811_IRV       0x10    /* Internal Read Visibility */
00304 #define M6811_PSEL3     0x08    /* Priority Select */
00305 #define M6811_PSEL2     0x04
00306 #define M6811_PSEL1     0x02
00307 #define M6811_PSEL0     0x01
00308 
00309 #define M6811_IO_SIZE   (0x40)
00310 
00311 /* The I/O registers are represented by a volatile array.
00312    Address if fixed at link time.  */
00313 extern volatile unsigned char _io_ports[];
00314 
00315 #endif /* _M68HC11_PORTS_DEF_H */
00316