]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * definitions for MPC8xxx I/O Ports | |
3 | * | |
4 | * Murray.Jensen@cmst.csiro.au, 20-Oct-00 | |
5 | */ | |
6 | ||
7 | /* | |
8 | * this structure mirrors the layout of the five port registers in | |
9 | * the internal memory map | |
10 | */ | |
11 | typedef struct { | |
12 | unsigned int pdir; /* Port Data Direction Register (35-3) */ | |
13 | unsigned int ppar; /* Port Pin Assignment Register (35-4) */ | |
14 | unsigned int psor; /* Port Special Options Register (35-5) */ | |
15 | unsigned int podr; /* Port Open Drain Register (35-2) */ | |
16 | unsigned int pdat; /* Port Data Register (35-3) */ | |
17 | } ioport_t; | |
18 | ||
19 | /* | |
20 | * this macro calculates the address within the internal | |
21 | * memory map (im) of the set of registers for a port (idx) | |
22 | * | |
23 | * the internal memory map aligns the above structure on | |
24 | * a 0x20 byte boundary | |
25 | */ | |
26 | #ifdef CONFIG_MPC85xx | |
27 | #define ioport_addr(im, idx) (ioport_t *)((uint)&(im->im_cpm_iop) + ((idx)*0x20)) | |
28 | #else | |
29 | #define ioport_addr(im, idx) (ioport_t *)((uint)&(im)->im_ioport + ((idx)*0x20)) | |
30 | #endif | |
31 | ||
32 | /* | |
33 | * this structure provides configuration | |
34 | * information for one port pin | |
35 | */ | |
36 | typedef struct { | |
37 | unsigned char conf:1; /* if 1, configure this port */ | |
38 | unsigned char ppar:1; /* Port Pin Assignment Register (35-4) */ | |
39 | unsigned char psor:1; /* Port Special Options Register (35-2) */ | |
40 | unsigned char pdir:1; /* Port Data Direction Register (35-3) */ | |
41 | unsigned char podr:1; /* Port Open Drain Register (35-2) */ | |
42 | unsigned char pdat:1; /* Port Data Register (35-2) */ | |
43 | } iop_conf_t; | |
44 | ||
45 | /* | |
46 | * a table that contains configuration information for all 32 pins | |
47 | * | |
48 | * NOTE: in the second dimension of this table, index 0 refers to pin 31 | |
49 | * and index 31 refers to pin 0. this made the code in the table look more | |
50 | * like the table in the 8260UM (and in the hymod manuals). | |
51 | */ | |
52 | extern const iop_conf_t iop_conf_tab[4][32]; | |
53 | ||
54 | typedef struct { | |
55 | unsigned char port; | |
56 | unsigned char pin; | |
57 | int dir; | |
58 | int open_drain; | |
59 | int assign; | |
60 | } qe_iop_conf_t; | |
61 | ||
62 | #define QE_IOP_TAB_END (-1) |