diff options
author | Wolfgang Denk <wd@pollux.denx.de> | 2006-03-12 22:41:33 +0100 |
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committer | Wolfgang Denk <wd@pollux.denx.de> | 2006-03-12 22:41:33 +0100 |
commit | 8123eee8756dd500267ddfe948090d69886d0fb7 (patch) | |
tree | d375b1e9c5db12c00cfc1aab83182be08082f279 /include/asm-ppc | |
parent | 7c60908ffbb59cc461cedc1d1a06153586b5c3ed (diff) |
Add CPM2 I/O pin functions for MPC85xx processors
Patch by Murray Jensen, 08 Jul 2005
Diffstat (limited to 'include/asm-ppc')
-rw-r--r-- | include/asm-ppc/iopin_85xx.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/include/asm-ppc/iopin_85xx.h b/include/asm-ppc/iopin_85xx.h new file mode 100644 index 0000000000..f854df633a --- /dev/null +++ b/include/asm-ppc/iopin_85xx.h @@ -0,0 +1,146 @@ +/* + * 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_ */ |