mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 13:56:30 +00:00
146 lines
4.5 KiB
C
146 lines
4.5 KiB
C
/*
|
|
* MPC85xx I/O port pin manipulation functions
|
|
*/
|
|
|
|
#ifndef _ASM_IOPIN_85xx_H_
|
|
#define _ASM_IOPIN_85xx_H_
|
|
|
|
#include <linux/types.h>
|
|
#include <asm/immap_85xx.h>
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
typedef struct {
|
|
u_char port:2; /* port number (A=0, B=1, C=2, D=3) */
|
|
u_char pin:5; /* port pin (0-31) */
|
|
u_char flag:1; /* for whatever */
|
|
} iopin_t;
|
|
|
|
#define IOPIN_PORTA 0
|
|
#define IOPIN_PORTB 1
|
|
#define IOPIN_PORTC 2
|
|
#define IOPIN_PORTD 3
|
|
|
|
extern __inline__ void iopin_set_high (iopin_t * iopin)
|
|
{
|
|
volatile uint *datp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.pdata;
|
|
datp[iopin->port * 8] |= (1 << (31 - iopin->pin));
|
|
}
|
|
|
|
extern __inline__ void iopin_set_low (iopin_t * iopin)
|
|
{
|
|
volatile uint *datp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.pdata;
|
|
datp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
|
|
}
|
|
|
|
extern __inline__ uint iopin_is_high (iopin_t * iopin)
|
|
{
|
|
volatile uint *datp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.pdata;
|
|
return (datp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
|
|
}
|
|
|
|
extern __inline__ uint iopin_is_low (iopin_t * iopin)
|
|
{
|
|
volatile uint *datp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.pdata;
|
|
return ((datp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
|
|
}
|
|
|
|
extern __inline__ void iopin_set_out (iopin_t * iopin)
|
|
{
|
|
volatile uint *dirp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.pdira;
|
|
dirp[iopin->port * 8] |= (1 << (31 - iopin->pin));
|
|
}
|
|
|
|
extern __inline__ void iopin_set_in (iopin_t * iopin)
|
|
{
|
|
volatile uint *dirp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.pdira;
|
|
dirp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
|
|
}
|
|
|
|
extern __inline__ uint iopin_is_out (iopin_t * iopin)
|
|
{
|
|
volatile uint *dirp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.pdira;
|
|
return (dirp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
|
|
}
|
|
|
|
extern __inline__ uint iopin_is_in (iopin_t * iopin)
|
|
{
|
|
volatile uint *dirp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.pdira;
|
|
return ((dirp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
|
|
}
|
|
|
|
extern __inline__ void iopin_set_odr (iopin_t * iopin)
|
|
{
|
|
volatile uint *odrp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.podra;
|
|
odrp[iopin->port * 8] |= (1 << (31 - iopin->pin));
|
|
}
|
|
|
|
extern __inline__ void iopin_set_act (iopin_t * iopin)
|
|
{
|
|
volatile uint *odrp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.podra;
|
|
odrp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
|
|
}
|
|
|
|
extern __inline__ uint iopin_is_odr (iopin_t * iopin)
|
|
{
|
|
volatile uint *odrp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.podra;
|
|
return (odrp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
|
|
}
|
|
|
|
extern __inline__ uint iopin_is_act (iopin_t * iopin)
|
|
{
|
|
volatile uint *odrp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.podra;
|
|
return ((odrp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
|
|
}
|
|
|
|
extern __inline__ void iopin_set_ded (iopin_t * iopin)
|
|
{
|
|
volatile uint *parp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.ppara;
|
|
parp[iopin->port * 8] |= (1 << (31 - iopin->pin));
|
|
}
|
|
|
|
extern __inline__ void iopin_set_gen (iopin_t * iopin)
|
|
{
|
|
volatile uint *parp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.ppara;
|
|
parp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
|
|
}
|
|
|
|
extern __inline__ uint iopin_is_ded (iopin_t * iopin)
|
|
{
|
|
volatile uint *parp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.ppara;
|
|
return (parp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
|
|
}
|
|
|
|
extern __inline__ uint iopin_is_gen (iopin_t * iopin)
|
|
{
|
|
volatile uint *parp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.ppara;
|
|
return ((parp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
|
|
}
|
|
|
|
extern __inline__ void iopin_set_opt2 (iopin_t * iopin)
|
|
{
|
|
volatile uint *sorp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.psora;
|
|
sorp[iopin->port * 8] |= (1 << (31 - iopin->pin));
|
|
}
|
|
|
|
extern __inline__ void iopin_set_opt1 (iopin_t * iopin)
|
|
{
|
|
volatile uint *sorp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.psora;
|
|
sorp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
|
|
}
|
|
|
|
extern __inline__ uint iopin_is_opt2 (iopin_t * iopin)
|
|
{
|
|
volatile uint *sorp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.psora;
|
|
return (sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
|
|
}
|
|
|
|
extern __inline__ uint iopin_is_opt1 (iopin_t * iopin)
|
|
{
|
|
volatile uint *sorp = &((ccsr_cpm_t *) CONFIG_SYS_MPC85xx_CPM_ADDR)->im_cpm_iop.psora;
|
|
return ((sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
|
|
}
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* _ASM_IOPIN_85xx_H_ */
|