diff options
Diffstat (limited to 'include/nios-io.h')
| -rw-r--r-- | include/nios-io.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/nios-io.h b/include/nios-io.h index 11ff78d..64da92a 100644 --- a/include/nios-io.h +++ b/include/nios-io.h @@ -136,4 +136,35 @@ typedef volatile struct nios_spi_t { #define NIOS_SPI_IE (1 << 8) /* exception int ena */ #define NIOS_SPI_SSO (1 << 10) /* override SS_n output */ +/*------------------------------------------------------------------------ + * ASMI + *----------------------------------------------------------------------*/ +typedef volatile struct nios_asmi_t { + unsigned rxdata; /* Rx data reg */ + unsigned txdata; /* Tx data reg */ + unsigned status; /* Status reg */ + unsigned control; /* Control reg */ + unsigned reserved; + unsigned slavesel; /* Slave select */ + unsigned endofpacket; /* End-of-packet reg */ +}nios_asmi_t; + +/* status register */ +#define NIOS_ASMI_ROE (1 << 3) /* rx overrun */ +#define NIOS_ASMI_TOE (1 << 4) /* tx overrun */ +#define NIOS_ASMI_TMT (1 << 5) /* tx empty */ +#define NIOS_ASMI_TRDY (1 << 6) /* tx ready */ +#define NIOS_ASMI_RRDY (1 << 7) /* rx ready */ +#define NIOS_ASMI_E (1 << 8) /* exception */ +#define NIOS_ASMI_EOP (1 << 9) /* eop detected */ + +/* control register */ +#define NIOS_ASMI_IROE (1 << 3) /* rx overrun int ena */ +#define NIOS_ASMI_ITOE (1 << 4) /* tx overrun int ena */ +#define NIOS_ASMI_ITRDY (1 << 6) /* tx ready int ena */ +#define NIOS_ASMI_IRRDY (1 << 7) /* rx ready int ena */ +#define NIOS_ASMI_IE (1 << 8) /* exception int ena */ +#define NIOS_ASMI_IEOP (1 << 9) /* rx eop int ena */ +#define NIOS_ASMI_SSO (1 << 10) /* slave select enable */ + #endif /* __NIOSIO_H__ */ |