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-rw-r--r--include/nios-io.h31
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__ */