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Add CPM2 I/O pin functions for MPC85xx processors

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Patch by Murray Jensen, 08 Jul 2005
This commit is contained in:
Wolfgang Denk 2006-03-12 22:41:33 +01:00
parent 7c60908ffb
commit 8123eee875
2 changed files with 149 additions and 0 deletions
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3
CHANGELOG
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Changes since U-Boot 1.1.4:
======================================================================
* Add CPM2 I/O pin functions for MPC85xx processors
Patch by Murray Jensen, 08 Jul 2005
* Fix compile problem
* Added PCI support for MPC8349ADS board

146
include/asm-ppc/iopin_85xx.h Normal file
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/*
* 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_ */