X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fnios-io.h;h=dc7e127fe54d184b5864e9a67c25e92cbf286012;hb=5720df78ad48cb98cff7cfb816565fb8a5d0d1b6;hp=052c6b0b56b0da6f24041c3969edf6bfc4636f70;hpb=42d1f0394bef0624fc9664714d54bb137931d6a6;p=u-boot

diff --git a/include/nios-io.h b/include/nios-io.h
index 052c6b0b56..dc7e127fe5 100644
--- a/include/nios-io.h
+++ b/include/nios-io.h
@@ -29,7 +29,7 @@
 #define __NIOSIO_H__
 
 /*------------------------------------------------------------------------
- * UART
+ * UART (http://www.altera.com/literature/ds/ds_nios_uart.pdf)
  *----------------------------------------------------------------------*/
 typedef volatile struct nios_uart_t {
 	unsigned	rxdata;		/* Rx data reg */
@@ -71,7 +71,7 @@ typedef volatile struct nios_uart_t {
 
 
 /*------------------------------------------------------------------------
- * TIMER
+ * TIMER (http://www.altera.com/literature/ds/ds_nios_timer.pdf)
  *----------------------------------------------------------------------*/
 typedef volatile struct nios_timer_t {
 	unsigned	status;			/* Timer status reg */
@@ -92,4 +92,92 @@ typedef volatile struct nios_timer_t {
 #define NIOS_TIMER_START	(1 << 2)	/* Start timer */
 #define NIOS_TIMER_STOP		(1 << 3)	/* Stop timer */
 
+
+/*------------------------------------------------------------------------
+ * PIO (http://www.altera.com/literature/ds/ds_nios_pio.pdf)
+ *----------------------------------------------------------------------*/
+typedef volatile struct nios_pio_t {
+	unsigned int	data;		/* Data value at each PIO in/out */
+	unsigned int	direction;	/* Data direct. for each PIO bit */
+	unsigned int	interruptmask;	/* Per-bit IRQ enable/disable */
+	unsigned int	edgecapture;	/* Per-bit sync. edge detect & hold */
+}nios_pio_t;
+
+/* direction register */
+#define NIOS_PIO_OUT		(1)		/* PIO bit is output */
+#define NIOS_PIO_IN		(0)		/* PIO bit is input */
+
+
+/*------------------------------------------------------------------------
+ * SPI (http://www.altera.com/literature/ds/ds_nios_spi.pdf)
+ *----------------------------------------------------------------------*/
+typedef volatile struct nios_spi_t {
+	unsigned	rxdata;		/* Rx data reg */
+	unsigned	txdata;		/* Tx data reg */
+	unsigned	status;		/* Status reg */
+	unsigned	control;	/* Control reg */
+	unsigned	reserved;	/* (master only) */
+	unsigned	slaveselect;	/* SPI slave select mask (master only) */
+}nios_spi_t;
+
+/* status register */
+#define NIOS_SPI_ROE		(1 << 3)	/* rx overrun */
+#define NIOS_SPI_TOE		(1 << 4)	/* tx overrun */
+#define NIOS_SPI_TMT		(1 << 5)	/* tx empty */
+#define NIOS_SPI_TRDY		(1 << 6)	/* tx ready */
+#define NIOS_SPI_RRDY		(1 << 7)	/* rx ready */
+#define NIOS_SPI_E		(1 << 8)	/* exception */
+
+/* control register */
+#define NIOS_SPI_IROE		(1 << 3)	/* rx overrun int ena */
+#define NIOS_SPI_ITOE		(1 << 4)	/* tx overrun int ena */
+#define NIOS_SPI_ITRDY		(1 << 6)	/* tx ready int ena */
+#define NIOS_SPI_IRRDY		(1 << 7)	/* rx ready int ena */
+#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 */
+
+/*------------------------------------------------------------------------
+ * JTAG UART
+ *----------------------------------------------------------------------*/
+typedef volatile struct nios_jtag_t {
+	unsigned short	rxcntl;			/* Rx data/cntl reg */
+	unsigned short	txcntl;			/* Tx data/cntl reg */
+	unsigned short	errcntl;		/* Err dta/cntl reg */
+}nios_jtag_t;
+
+/* status register */
+#define NIOS_JTAG_TRDY		(1 << 8)	/* tx ready bit */
+#define NIOS_JTAG_RRDY		(1 << 8)	/* rx ready bit */
+
 #endif /* __NIOSIO_H__ */