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Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-ppc/iopin_8xx.h | 395 |
1 files changed, 395 insertions, 0 deletions
diff --git a/include/asm-ppc/iopin_8xx.h b/include/asm-ppc/iopin_8xx.h new file mode 100644 index 0000000..1946eb2 --- /dev/null +++ b/include/asm-ppc/iopin_8xx.h @@ -0,0 +1,395 @@ +/* + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * MPC8xx I/O port pin manipulation functions + * Roughly based on iopin_8260.h + */ + +#ifndef _ASM_IOPIN_8XX_H_ +#define _ASM_IOPIN_8XX_H_ + +#include <linux/types.h> +#include <asm/8xx_immap.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) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_padat; + *datp |= (1 << (15 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTB) { + volatile uint *datp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbdat; + *datp |= (1 << (31 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTC) { + volatile ushort *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcdat; + *datp |= (1 << (15 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTD) { + volatile ushort *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pddat; + *datp |= (1 << (15 - iopin->pin)); + } +} + +extern __inline__ void +iopin_set_low(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_padat; + *datp &= ~(1 << (15 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTB) { + volatile uint *datp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbdat; + *datp &= ~(1 << (31 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTC) { + volatile ushort *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcdat; + *datp &= ~(1 << (15 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTD) { + volatile ushort *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pddat; + *datp &= ~(1 << (15 - iopin->pin)); + } +} + +extern __inline__ uint +iopin_is_high(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_padat; + return (*datp >> (15 - iopin->pin)) & 1; + } else if (iopin->port == IOPIN_PORTB) { + volatile uint *datp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbdat; + return (*datp >> (31 - iopin->pin)) & 1; + } else if (iopin->port == IOPIN_PORTC) { + volatile ushort *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcdat; + return (*datp >> (15 - iopin->pin)) & 1; + } else if (iopin->port == IOPIN_PORTD) { + volatile ushort *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pddat; + return (*datp >> (15 - iopin->pin)) & 1; + } + return 0; +} + +extern __inline__ uint +iopin_is_low(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_padat; + return ((*datp >> (15 - iopin->pin)) & 1) ^ 1; + } else if (iopin->port == IOPIN_PORTB) { + volatile uint *datp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbdat; + return ((*datp >> (31 - iopin->pin)) & 1) ^ 1; + } else if (iopin->port == IOPIN_PORTC) { + volatile ushort *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcdat; + return ((*datp >> (15 - iopin->pin)) & 1) ^ 1; + } else if (iopin->port == IOPIN_PORTD) { + volatile ushort *datp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pddat; + return ((*datp >> (15 - iopin->pin)) & 1) ^ 1; + } + return 0; +} + +extern __inline__ void +iopin_set_out(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_padir; + *dirp |= (1 << (15 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTB) { + volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbdir; + *dirp |= (1 << (31 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTC) { + volatile ushort *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcdir; + *dirp |= (1 << (15 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTD) { + volatile ushort *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pddir; + *dirp |= (1 << (15 - iopin->pin)); + } +} + +extern __inline__ void +iopin_set_in(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_padir; + *dirp &= ~(1 << (15 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTB) { + volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbdir; + *dirp &= ~(1 << (31 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTC) { + volatile ushort *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcdir; + *dirp &= ~(1 << (15 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTD) { + volatile ushort *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pddir; + *dirp &= ~(1 << (15 - iopin->pin)); + } +} + +extern __inline__ uint +iopin_is_out(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_padir; + return (*dirp >> (15 - iopin->pin)) & 1; + } else if (iopin->port == IOPIN_PORTB) { + volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbdir; + return (*dirp >> (31 - iopin->pin)) & 1; + } else if (iopin->port == IOPIN_PORTC) { + volatile ushort *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcdir; + return (*dirp >> (15 - iopin->pin)) & 1; + } else if (iopin->port == IOPIN_PORTD) { + volatile ushort *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pddir; + return (*dirp >> (15 - iopin->pin)) & 1; + } + return 0; +} + +extern __inline__ uint +iopin_is_in(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_padir; + return ((*dirp >> (15 - iopin->pin)) & 1) ^ 1; + } else if (iopin->port == IOPIN_PORTB) { + volatile uint *dirp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbdir; + return ((*dirp >> (31 - iopin->pin)) & 1) ^ 1; + } else if (iopin->port == IOPIN_PORTC) { + volatile ushort *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcdir; + return ((*dirp >> (15 - iopin->pin)) & 1) ^ 1; + } else if (iopin->port == IOPIN_PORTD) { + volatile ushort *dirp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pddir; + return ((*dirp >> (15 - iopin->pin)) & 1) ^ 1; + } + return 0; +} + +extern __inline__ void +iopin_set_odr(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_paodr; + *odrp |= (1 << (15 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTB) { + volatile ushort *odrp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbodr; + *odrp |= (1 << (31 - iopin->pin)); + } +} + +extern __inline__ void +iopin_set_act(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_paodr; + *odrp &= ~(1 << (15 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTB) { + volatile ushort *odrp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbodr; + *odrp &= ~(1 << (31 - iopin->pin)); + } +} + +extern __inline__ uint +iopin_is_odr(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_paodr; + return (*odrp >> (15 - iopin->pin)) & 1; + } else if (iopin->port == IOPIN_PORTB) { + volatile ushort *odrp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbodr; + return (*odrp >> (31 - iopin->pin)) & 1; + } + return 0; +} + +extern __inline__ uint +iopin_is_act(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *odrp = &((immap_t *)CFG_IMMR)->im_ioport.iop_paodr; + return ((*odrp >> (15 - iopin->pin)) & 1) ^ 1; + } else if (iopin->port == IOPIN_PORTB) { + volatile ushort *odrp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbodr; + return ((*odrp >> (31 - iopin->pin)) & 1) ^ 1; + } + return 0; +} + +extern __inline__ void +iopin_set_ded(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_papar; + *parp |= (1 << (15 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTB) { + volatile uint *parp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbpar; + *parp |= (1 << (31 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTC) { + volatile ushort *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcpar; + *parp |= (1 << (15 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTD) { + volatile ushort *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdpar; + *parp |= (1 << (15 - iopin->pin)); + } +} + +extern __inline__ void +iopin_set_gen(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_papar; + *parp &= ~(1 << (15 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTB) { + volatile uint *parp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbpar; + *parp &= ~(1 << (31 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTC) { + volatile ushort *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcpar; + *parp &= ~(1 << (15 - iopin->pin)); + } else if (iopin->port == IOPIN_PORTD) { + volatile ushort *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdpar; + *parp &= ~(1 << (15 - iopin->pin)); + } +} + +extern __inline__ uint +iopin_is_ded(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_papar; + return (*parp >> (15 - iopin->pin)) & 1; + } else if (iopin->port == IOPIN_PORTB) { + volatile uint *parp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbpar; + return (*parp >> (31 - iopin->pin)) & 1; + } else if (iopin->port == IOPIN_PORTC) { + volatile ushort *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcpar; + return (*parp >> (15 - iopin->pin)) & 1; + } else if (iopin->port == IOPIN_PORTD) { + volatile ushort *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdpar; + return (*parp >> (15 - iopin->pin)) & 1; + } + return 0; +} + +extern __inline__ uint +iopin_is_gen(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTA) { + volatile ushort *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_papar; + return ((*parp >> (15 - iopin->pin)) & 1) ^ 1; + } else if (iopin->port == IOPIN_PORTB) { + volatile uint *parp = &((immap_t *)CFG_IMMR)->im_cpm.cp_pbpar; + return ((*parp >> (31 - iopin->pin)) & 1) ^ 1; + } else if (iopin->port == IOPIN_PORTC) { + volatile ushort *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcpar; + return ((*parp >> (15 - iopin->pin)) & 1) ^ 1; + } else if (iopin->port == IOPIN_PORTD) { + volatile ushort *parp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pdpar; + return ((*parp >> (15 - iopin->pin)) & 1) ^ 1; + } + return 0; +} + +extern __inline__ void +iopin_set_opt2(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTC) { + volatile ushort *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcso; + *sorp |= (1 << (15 - iopin->pin)); + } +} + +extern __inline__ void +iopin_set_opt1(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTC) { + volatile ushort *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcso; + *sorp &= ~(1 << (15 - iopin->pin)); + } +} + +extern __inline__ uint +iopin_is_opt2(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTC) { + volatile ushort *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcso; + return (*sorp >> (15 - iopin->pin)) & 1; + } + return 0; +} + +extern __inline__ uint +iopin_is_opt1(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTC) { + volatile ushort *sorp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcso; + return ((*sorp >> (15 - iopin->pin)) & 1) ^ 1; + } + return 0; +} + +extern __inline__ void +iopin_set_falledge(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTC) { + volatile ushort *intp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcint; + *intp |= (1 << (15 - iopin->pin)); + } +} + +extern __inline__ void +iopin_set_anyedge(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTC) { + volatile ushort *intp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcint; + *intp &= ~(1 << (15 - iopin->pin)); + } +} + +extern __inline__ uint +iopin_is_falledge(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTC) { + volatile ushort *intp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcint; + return (*intp >> (15 - iopin->pin)) & 1; + } + return 0; +} + +extern __inline__ uint +iopin_is_anyedge(iopin_t *iopin) +{ + if (iopin->port == IOPIN_PORTC) { + volatile ushort *intp = &((immap_t *)CFG_IMMR)->im_ioport.iop_pcint; + return ((*intp >> (15 - iopin->pin)) & 1) ^ 1; + } + return 0; +} + +#endif /* __KERNEL__ */ + +#endif /* _ASM_IOPIN_8XX_H_ */ |