mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 09:48:16 +00:00
42d1f0394b
- Added Motorola CPU 8540/8560 support (cpu/85xx) - Added Motorola MPC8540ADS board support (board/mpc8540ads) - Added Motorola MPC8560ADS board support (board/mpc8560ads) * Minor code cleanup
55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/*
|
|
* definitions for MPC8260 I/O Ports
|
|
*
|
|
* (in addition to those provided in <asm/immap_8260.h>)
|
|
*
|
|
* Murray.Jensen@cmst.csiro.au, 20-Oct-00
|
|
*/
|
|
|
|
/*
|
|
* this structure mirrors the layout of the five port registers in
|
|
* the internal memory map - see iop8260_t in <asm/immap_8260.h>
|
|
*/
|
|
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_MPC8560
|
|
#define ioport_addr(im, idx) (ioport_t *)((uint)&((im)->im_cpm.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
|
|
* of all four MPC8260 I/O ports.
|
|
*
|
|
* 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];
|