forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
1.9 KiB
62 lines
1.9 KiB
/* |
|
* definitions for MPC8xxx I/O Ports |
|
* |
|
* [email protected], 20-Oct-00 |
|
*/ |
|
|
|
/* |
|
* this structure mirrors the layout of the five port registers in |
|
* the internal memory map |
|
*/ |
|
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_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 |
|
* |
|
* 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)
|
|
|