upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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.
147 lines
4.2 KiB
147 lines
4.2 KiB
19 years ago
|
/*
|
||
|
|
* 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 = &((immap_t *) CFG_IMMR)->im_cpm.im_cpm_iop.pdata;
|
||
|
|
datp[iopin->port * 8] |= (1 << (31 - iopin->pin));
|
||
|
|
}
|
||
|
|
|
||
|
|
extern __inline__ void iopin_set_low (iopin_t * iopin)
|
||
|
|
{
|
||
|
|
volatile uint *datp = &((immap_t *) CFG_IMMR)->im_cpm.im_cpm_iop.pdata;
|
||
|
|
datp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
|
||
|
|
}
|
||
|
|
|
||
|
|
extern __inline__ uint iopin_is_high (iopin_t * iopin)
|
||
|
|
{
|
||
|
|
volatile uint *datp = &((immap_t *) CFG_IMMR)->im_cpm.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 = &((immap_t *) CFG_IMMR)->im_cpm.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 = &((immap_t *) CFG_IMMR)->im_cpm.im_cpm_iop.pdira;
|
||
|
|
dirp[iopin->port * 8] |= (1 << (31 - iopin->pin));
|
||
|
|
}
|
||
|
|
|
||
|
|
extern __inline__ void iopin_set_in (iopin_t * iopin)
|
||
|
|
{
|
||
|
|
volatile uint *dirp = &((immap_t *) CFG_IMMR)->im_cpm.im_cpm_iop.pdira;
|
||
|
|
dirp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
|
||
|
|
}
|
||
|
|
|
||
|
|
extern __inline__ uint iopin_is_out (iopin_t * iopin)
|
||
|
|
{
|
||
|
|
volatile uint *dirp = &((immap_t *) CFG_IMMR)->im_cpm.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 = &((immap_t *) CFG_IMMR)->im_cpm.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 = &((immap_t *) CFG_IMMR)->im_cpm.im_cpm_iop.podra;
|
||
|
|
odrp[iopin->port * 8] |= (1 << (31 - iopin->pin));
|
||
|
|
}
|
||
|
|
|
||
|
|
extern __inline__ void iopin_set_act (iopin_t * iopin)
|
||
|
|
{
|
||
|
|
volatile uint *odrp = &((immap_t *) CFG_IMMR)->im_cpm.im_cpm_iop.podra;
|
||
|
|
odrp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
|
||
|
|
}
|
||
|
|
|
||
|
|
extern __inline__ uint iopin_is_odr (iopin_t * iopin)
|
||
|
|
{
|
||
|
|
volatile uint *odrp = &((immap_t *) CFG_IMMR)->im_cpm.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 = &((immap_t *) CFG_IMMR)->im_cpm.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 = &((immap_t *) CFG_IMMR)->im_cpm.im_cpm_iop.ppara;
|
||
|
|
parp[iopin->port * 8] |= (1 << (31 - iopin->pin));
|
||
|
|
}
|
||
|
|
|
||
|
|
extern __inline__ void iopin_set_gen (iopin_t * iopin)
|
||
|
|
{
|
||
|
|
volatile uint *parp = &((immap_t *) CFG_IMMR)->im_cpm.im_cpm_iop.ppara;
|
||
|
|
parp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
|
||
|
|
}
|
||
|
|
|
||
|
|
extern __inline__ uint iopin_is_ded (iopin_t * iopin)
|
||
|
|
{
|
||
|
|
volatile uint *parp = &((immap_t *) CFG_IMMR)->im_cpm.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 = &((immap_t *) CFG_IMMR)->im_cpm.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 = &((immap_t *) CFG_IMMR)->im_cpm.im_cpm_iop.psora;
|
||
|
|
sorp[iopin->port * 8] |= (1 << (31 - iopin->pin));
|
||
|
|
}
|
||
|
|
|
||
|
|
extern __inline__ void iopin_set_opt1 (iopin_t * iopin)
|
||
|
|
{
|
||
|
|
volatile uint *sorp = &((immap_t *) CFG_IMMR)->im_cpm.im_cpm_iop.psora;
|
||
|
|
sorp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
|
||
|
|
}
|
||
|
|
|
||
|
|
extern __inline__ uint iopin_is_opt2 (iopin_t * iopin)
|
||
|
|
{
|
||
|
|
volatile uint *sorp = &((immap_t *) CFG_IMMR)->im_cpm.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 = &((immap_t *) CFG_IMMR)->im_cpm.im_cpm_iop.psora;
|
||
|
|
return ((sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* __KERNEL__ */
|
||
|
|
|
||
|
|
#endif /* _ASM_IOPIN_85xx_H_ */
|