diff options
Diffstat (limited to 'arch/powerpc/include/asm/iopin_8xx.h')
| -rw-r--r-- | arch/powerpc/include/asm/iopin_8xx.h | 395 | 
1 files changed, 395 insertions, 0 deletions
| diff --git a/arch/powerpc/include/asm/iopin_8xx.h b/arch/powerpc/include/asm/iopin_8xx.h new file mode 100644 index 000000000..3a2a682f6 --- /dev/null +++ b/arch/powerpc/include/asm/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 *)CONFIG_SYS_IMMR)->im_ioport.iop_padat; +		*datp |= (1 << (15 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTB) { +		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat; +		*datp |= (1 << (31 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTC) { +		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat; +		*datp |= (1 << (15 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTD) { +		volatile ushort *datp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_padat; +		*datp &= ~(1 << (15 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTB) { +		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat; +		*datp &= ~(1 << (31 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTC) { +		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat; +		*datp &= ~(1 << (15 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTD) { +		volatile ushort *datp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_padat; +		return (*datp >> (15 - iopin->pin)) & 1; +	} else if (iopin->port == IOPIN_PORTB) { +		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat; +		return (*datp >> (31 - iopin->pin)) & 1; +	} else if (iopin->port == IOPIN_PORTC) { +		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat; +		return (*datp >> (15 - iopin->pin)) & 1; +	} else if (iopin->port == IOPIN_PORTD) { +		volatile ushort *datp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_padat; +		return ((*datp >> (15 - iopin->pin)) & 1) ^ 1; +	} else if (iopin->port == IOPIN_PORTB) { +		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat; +		return ((*datp >> (31 - iopin->pin)) & 1) ^ 1; +	} else if (iopin->port == IOPIN_PORTC) { +		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat; +		return ((*datp >> (15 - iopin->pin)) & 1) ^ 1; +	} else if (iopin->port == IOPIN_PORTD) { +		volatile ushort *datp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_padir; +		*dirp |= (1 << (15 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTB) { +		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir; +		*dirp |= (1 << (31 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTC) { +		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir; +		*dirp |= (1 << (15 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTD) { +		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_padir; +		*dirp &= ~(1 << (15 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTB) { +		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir; +		*dirp &= ~(1 << (31 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTC) { +		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir; +		*dirp &= ~(1 << (15 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTD) { +		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_padir; +		return (*dirp >> (15 - iopin->pin)) & 1; +	} else if (iopin->port == IOPIN_PORTB) { +		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir; +		return (*dirp >> (31 - iopin->pin)) & 1; +	} else if (iopin->port == IOPIN_PORTC) { +		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir; +		return (*dirp >> (15 - iopin->pin)) & 1; +	} else if (iopin->port == IOPIN_PORTD) { +		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_padir; +		return ((*dirp >> (15 - iopin->pin)) & 1) ^ 1; +	} else if (iopin->port == IOPIN_PORTB) { +		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir; +		return ((*dirp >> (31 - iopin->pin)) & 1) ^ 1; +	} else if (iopin->port == IOPIN_PORTC) { +		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir; +		return ((*dirp >> (15 - iopin->pin)) & 1) ^ 1; +	} else if (iopin->port == IOPIN_PORTD) { +		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr; +		*odrp |= (1 << (15 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTB) { +		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr; +		*odrp &= ~(1 << (15 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTB) { +		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr; +		return (*odrp >> (15 - iopin->pin)) & 1; +	} else if (iopin->port == IOPIN_PORTB) { +		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr; +		return ((*odrp >> (15 - iopin->pin)) & 1) ^ 1; +	} else if (iopin->port == IOPIN_PORTB) { +		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_papar; +		*parp |= (1 << (15 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTB) { +		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar; +		*parp |= (1 << (31 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTC) { +		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar; +		*parp |= (1 << (15 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTD) { +		volatile ushort *parp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_papar; +		*parp &= ~(1 << (15 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTB) { +		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar; +		*parp &= ~(1 << (31 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTC) { +		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar; +		*parp &= ~(1 << (15 - iopin->pin)); +	} else if (iopin->port == IOPIN_PORTD) { +		volatile ushort *parp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_papar; +		return (*parp >> (15 - iopin->pin)) & 1; +	} else if (iopin->port == IOPIN_PORTB) { +		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar; +		return (*parp >> (31 - iopin->pin)) & 1; +	} else if (iopin->port == IOPIN_PORTC) { +		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar; +		return (*parp >> (15 - iopin->pin)) & 1; +	} else if (iopin->port == IOPIN_PORTD) { +		volatile ushort *parp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_papar; +		return ((*parp >> (15 - iopin->pin)) & 1) ^ 1; +	} else if (iopin->port == IOPIN_PORTB) { +		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar; +		return ((*parp >> (31 - iopin->pin)) & 1) ^ 1; +	} else if (iopin->port == IOPIN_PORTC) { +		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar; +		return ((*parp >> (15 - iopin->pin)) & 1) ^ 1; +	} else if (iopin->port == IOPIN_PORTD) { +		volatile ushort *parp = &((immap_t *)CONFIG_SYS_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 *)CONFIG_SYS_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 *)CONFIG_SYS_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 *)CONFIG_SYS_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 *)CONFIG_SYS_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 *)CONFIG_SYS_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 *)CONFIG_SYS_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 *)CONFIG_SYS_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 *)CONFIG_SYS_IMMR)->im_ioport.iop_pcint; +		return ((*intp >> (15 - iopin->pin)) & 1) ^ 1; +	} +	return 0; +} + +#endif /* __KERNEL__ */ + +#endif /* _ASM_IOPIN_8XX_H_ */ |