| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455 |
- /*
- * 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
- */
- #ifdef CONFIG_MPC8560
- #define ioport_addr(im, idx) (ioport_t *)((uint)&((im)->im_cpm.im_cpm_iop) + ((idx)*0x20))
- #else
- #define ioport_addr(im, idx) (ioport_t *)((uint)&(im)->im_ioport + ((idx)*0x20))
- #endif
- /*
- * 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];
|
