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Diffstat (limited to 'libgloss/m68k/mc68681reg.h')
| -rw-r--r-- | libgloss/m68k/mc68681reg.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/libgloss/m68k/mc68681reg.h b/libgloss/m68k/mc68681reg.h new file mode 100644 index 000000000..1d9d4cec5 --- /dev/null +++ b/libgloss/m68k/mc68681reg.h @@ -0,0 +1,43 @@ +/* mc68681reg.h -- Motorola mc68681 DUART register offsets. + * Copyright (c) 1995 Cygnus Support + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#define DUART_MR1A 0x00 /* Mode Register A */ +#define DUART_MR1A 0x00 /* Mode Register A */ +#define DUART_SRA 0x01 /* Status Register A */ +#define DUART_CSRA 0x01 /* Clock-Select Register A */ +#define DUART_CRA 0x02 /* Command Register A */ +#define DUART_RBA 0x03 /* Receive Buffer A */ +#define DUART_TBA 0x03 /* Transmit Buffer A */ +#define DUART_IPCR 0x04 /* Input Port Change Register */ +#define DUART_ACR 0x04 /* Auxiliary Control Register */ +#define DUART_ISR 0x05 /* Interrupt Status Register */ +#define DUART_IMR 0x05 /* Interrupt Mask Register */ +#define DUART_CUR 0x06 /* Counter Mode: current MSB */ +#define DUART_CTUR 0x06 /* Counter/Timer upper reg */ +#define DUART_CLR 0x07 /* Counter Mode: current LSB */ +#define DUART_CTLR 0x07 /* Counter/Timer lower reg */ +#define DUART_MR1B 0x08 /* Mode Register B */ +#define DUART_MR2B 0x08 /* Mode Register B */ +#define DUART_SRB 0x09 /* Status Register B */ +#define DUART_CSRB 0x09 /* Clock-Select Register B */ +#define DUART_CRB 0x0A /* Command Register B */ +#define DUART_RBB 0x0B /* Receive Buffer B */ +#define DUART_TBB 0x0B /* Transmit Buffer A */ +#define DUART_IVR 0x0C /* Interrupt Vector Register */ +#define DUART_IP 0x0D /* Input Port */ +#define DUART_OPCR 0x0D /* Output Port Configuration Reg. */ +#define DUART_STRTCC 0x0E /* Start-Counter command */ +#define DUART_OPRSET 0x0E /* Output Port Reg, SET bits */ +#define DUART_STOPCC 0x0F /* Stop-Counter command */ +#define DUART_OPRRST 0x0F /* Output Port Reg, ReSeT bits */ |