| /* |
| * 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_MPC85xx |
| #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]; |
| |
| typedef struct { |
| unsigned char port; |
| unsigned char pin; |
| int dir; |
| int open_drain; |
| int assign; |
| } qe_iop_conf_t; |
| |
| #define QE_IOP_TAB_END (-1) |
