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authorwdenk <wdenk>2000-11-16 20:23:11 +0000
committerwdenk <wdenk>2000-11-16 20:23:11 +0000
commit0f89ba4320c42f9df753c7c5527aed1d8eaeca93 (patch)
tree26367f8498da68c6dba9ec39124577aec99ad141
parentfb48c4afc47cfbaae2173163e909d91561acc295 (diff)
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Initial revision
-rw-r--r--include/ioports.h51
-rw-r--r--include/mpc8260_irq.h41
2 files changed, 92 insertions, 0 deletions
diff --git a/include/ioports.h b/include/ioports.h
new file mode 100644
index 0000000..8f5947f
--- /dev/null
+++ b/include/ioports.h
@@ -0,0 +1,51 @@
+/*
+ * definitions for MPC8260 I/O Ports
+ *
+ * (in addition to those provided in <asm/immap_8260.h>)
+ *
+ * Murray.Jensen@cmst.csiro.au, 20-Oct-00
+ */
+
+/*
+ * this structure mirrors the layout of the five port registers in
+ * the internal memory map - see iop8260_t in <asm/immap_8260.h>
+ */
+typedef struct {
+ unsigned int pdir; /* Port Data Direction Register (35-3) */
+ unsigned int ppar; /* Port Pin Assignment Register (35-4) */
+ unsigned int psor; /* Port Special Options Register (35-5) */
+ unsigned int podr; /* Port Open Drain Register (35-2) */
+ unsigned int pdat; /* Port Data Register (35-3) */
+} ioport_t;
+
+/*
+ * this macro calculates the address within the internal
+ * memory map (im) of the set of registers for a port (idx)
+ *
+ * the internal memory map aligns the above structure on
+ * a 0x20 byte boundary
+ */
+#define ioport_addr(im, idx) (ioport_t *)((uint)&(im)->im_ioport + ((idx)*0x20))
+
+/*
+ * this structure provides configuration
+ * information for one port pin
+ */
+typedef struct {
+ unsigned char conf:1; /* if 1, configure this port */
+ unsigned char ppar:1; /* Port Pin Assignment Register (35-4) */
+ unsigned char psor:1; /* Port Special Options Register (35-2) */
+ unsigned char pdir:1; /* Port Data Direction Register (35-3) */
+ unsigned char podr:1; /* Port Open Drain Register (35-2) */
+ unsigned char pdat:1; /* Port Data Register (35-2) */
+} iop_conf_t;
+
+/*
+ * a table that contains configuration information for all 32 pins
+ * of all four MPC8260 I/O ports.
+ *
+ * NOTE: in the second dimension of this table, index 0 refers to pin 31
+ * and index 31 refers to pin 0. this made the code in the table look more
+ * like the table in the 8260UM (and in the hymod manuals).
+ */
+extern const iop_conf_t iop_conf_tab[4][32];
diff --git a/include/mpc8260_irq.h b/include/mpc8260_irq.h
new file mode 100644
index 0000000..046dd32
--- /dev/null
+++ b/include/mpc8260_irq.h
@@ -0,0 +1,41 @@
+#ifndef _MPC8260_IRQ_H
+#define _MPC8260_IRQ_H
+
+/****************************************************************************/
+/* most of this was ripped out of include/asm-ppc/irq.h from the Linux/PPC */
+/* source. There was no copyright information in the file. */
+
+/*
+ * this is the # irq's for all ppc arch's (pmac/chrp/prep)
+ * so it is the max of them all
+ *
+ * [let's just worry about 8260 for now - mjj]
+ */
+#define NR_IRQS 64
+
+/* The 8260 has an internal interrupt controller with a maximum of
+ * 64 IRQs. We will use NR_IRQs from above since it is large enough.
+ * Don't be confused by the 8260 documentation where they list an
+ * "interrupt number" and "interrupt vector". We are only interested
+ * in the interrupt vector. There are "reserved" holes where the
+ * vector number increases, but the interrupt number in the table does not.
+ * (Document errata updates have fixed this...make sure you have up to
+ * date processor documentation -- Dan).
+ */
+#define NR_SIU_INTS 64
+
+/* There are many more than these, we will add them as we need them.
+*/
+#define SIU_INT_SMC1 ((uint)0x04)
+#define SIU_INT_SMC2 ((uint)0x05)
+#define SIU_INT_FCC1 ((uint)0x20)
+#define SIU_INT_FCC2 ((uint)0x21)
+#define SIU_INT_FCC3 ((uint)0x22)
+#define SIU_INT_SCC1 ((uint)0x28)
+#define SIU_INT_SCC2 ((uint)0x29)
+#define SIU_INT_SCC3 ((uint)0x2a)
+#define SIU_INT_SCC4 ((uint)0x2b)
+
+#define NR_MASK_WORDS ((NR_IRQS + 31) / 32)
+
+#endif /* _MPC8260_IRQ_H */