/* * 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];