blob: 1134ea52081c9e55851330e2fd50e92452c817b3
1 | /* |
2 | * definitions for MPC8260 I/O Ports |
3 | * |
4 | * (in addition to those provided in <asm/immap_8260.h>) |
5 | * |
6 | * Murray.Jensen@cmst.csiro.au, 20-Oct-00 |
7 | */ |
8 | |
9 | /* |
10 | * this structure mirrors the layout of the five port registers in |
11 | * the internal memory map - see iop8260_t in <asm/immap_8260.h> |
12 | */ |
13 | typedef struct { |
14 | unsigned int pdir; /* Port Data Direction Register (35-3) */ |
15 | unsigned int ppar; /* Port Pin Assignment Register (35-4) */ |
16 | unsigned int psor; /* Port Special Options Register (35-5) */ |
17 | unsigned int podr; /* Port Open Drain Register (35-2) */ |
18 | unsigned int pdat; /* Port Data Register (35-3) */ |
19 | } ioport_t; |
20 | |
21 | /* |
22 | * this macro calculates the address within the internal |
23 | * memory map (im) of the set of registers for a port (idx) |
24 | * |
25 | * the internal memory map aligns the above structure on |
26 | * a 0x20 byte boundary |
27 | */ |
28 | #ifdef CONFIG_MPC85xx |
29 | #define ioport_addr(im, idx) (ioport_t *)((uint)&(im->im_cpm_iop) + ((idx)*0x20)) |
30 | #else |
31 | #define ioport_addr(im, idx) (ioport_t *)((uint)&(im)->im_ioport + ((idx)*0x20)) |
32 | #endif |
33 | |
34 | /* |
35 | * this structure provides configuration |
36 | * information for one port pin |
37 | */ |
38 | typedef struct { |
39 | unsigned char conf:1; /* if 1, configure this port */ |
40 | unsigned char ppar:1; /* Port Pin Assignment Register (35-4) */ |
41 | unsigned char psor:1; /* Port Special Options Register (35-2) */ |
42 | unsigned char pdir:1; /* Port Data Direction Register (35-3) */ |
43 | unsigned char podr:1; /* Port Open Drain Register (35-2) */ |
44 | unsigned char pdat:1; /* Port Data Register (35-2) */ |
45 | } iop_conf_t; |
46 | |
47 | /* |
48 | * a table that contains configuration information for all 32 pins |
49 | * of all four MPC8260 I/O ports. |
50 | * |
51 | * NOTE: in the second dimension of this table, index 0 refers to pin 31 |
52 | * and index 31 refers to pin 0. this made the code in the table look more |
53 | * like the table in the 8260UM (and in the hymod manuals). |
54 | */ |
55 | extern const iop_conf_t iop_conf_tab[4][32]; |
56 | |
57 | typedef struct { |
58 | unsigned char port; |
59 | unsigned char pin; |
60 | int dir; |
61 | int open_drain; |
62 | int assign; |
63 | } qe_iop_conf_t; |
64 | |
65 | #define QE_IOP_TAB_END (-1) |
66 |