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0f89ba43 1/*
72281c5c 2 * definitions for MPC8xxx I/O Ports
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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
72281c5c 9 * the internal memory map
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10 */
11typedef 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 */
9c4c5ae3 26#ifdef CONFIG_MPC85xx
aafeefbd 27#define ioport_addr(im, idx) (ioport_t *)((uint)&(im->im_cpm_iop) + ((idx)*0x20))
42d1f039 28#else
0f89ba43 29#define ioport_addr(im, idx) (ioport_t *)((uint)&(im)->im_ioport + ((idx)*0x20))
42d1f039 30#endif
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31
32/*
33 * this structure provides configuration
34 * information for one port pin
35 */
36typedef 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
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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 */
52extern const iop_conf_t iop_conf_tab[4][32];
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53
54typedef 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)