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)
63