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	Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
		
			
				
	
	
		
			380 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			380 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * SPDX-License-Identifier:	GPL-2.0+
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|  */
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| 
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| /*
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|  * MPC8xx I/O port pin manipulation functions
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|  * Roughly based on iopin_8260.h
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|  */
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| 
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| #ifndef _ASM_IOPIN_8XX_H_
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| #define _ASM_IOPIN_8XX_H_
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| 
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| #include <linux/types.h>
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| #include <asm/8xx_immap.h>
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| 
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| #ifdef __KERNEL__
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| 
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| typedef struct {
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| 	u_char port:2;	/* port number (A=0, B=1, C=2, D=3) */
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| 	u_char pin:5;	/* port pin (0-31) */
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| 	u_char flag:1;	/* for whatever */
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| } iopin_t;
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| 
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| #define IOPIN_PORTA	0
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| #define IOPIN_PORTB	1
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| #define IOPIN_PORTC	2
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| #define IOPIN_PORTD	3
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| 
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| extern __inline__ void
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| iopin_set_high(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padat;
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| 		*datp |= (1 << (15 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat;
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| 		*datp |= (1 << (31 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat;
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| 		*datp |= (1 << (15 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTD) {
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| 		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddat;
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| 		*datp |= (1 << (15 - iopin->pin));
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| 	}
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| }
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| 
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| extern __inline__ void
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| iopin_set_low(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padat;
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| 		*datp &= ~(1 << (15 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat;
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| 		*datp &= ~(1 << (31 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat;
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| 		*datp &= ~(1 << (15 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTD) {
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| 		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddat;
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| 		*datp &= ~(1 << (15 - iopin->pin));
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| 	}
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| }
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| 
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| extern __inline__ uint
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| iopin_is_high(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padat;
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| 		return (*datp >> (15 - iopin->pin)) & 1;
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat;
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| 		return (*datp >> (31 - iopin->pin)) & 1;
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| 	} else if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat;
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| 		return (*datp >> (15 - iopin->pin)) & 1;
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| 	} else if (iopin->port == IOPIN_PORTD) {
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| 		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddat;
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| 		return (*datp >> (15 - iopin->pin)) & 1;
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| 	}
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| 	return 0;
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| }
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| 
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| extern __inline__ uint
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| iopin_is_low(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padat;
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| 		return ((*datp >> (15 - iopin->pin)) & 1) ^ 1;
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat;
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| 		return ((*datp >> (31 - iopin->pin)) & 1) ^ 1;
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| 	} else if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat;
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| 		return ((*datp >> (15 - iopin->pin)) & 1) ^ 1;
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| 	} else if (iopin->port == IOPIN_PORTD) {
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| 		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddat;
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| 		return ((*datp >> (15 - iopin->pin)) & 1) ^ 1;
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| 	}
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| 	return 0;
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| }
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| 
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| extern __inline__ void
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| iopin_set_out(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padir;
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| 		*dirp |= (1 << (15 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir;
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| 		*dirp |= (1 << (31 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir;
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| 		*dirp |= (1 << (15 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTD) {
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| 		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddir;
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| 		*dirp |= (1 << (15 - iopin->pin));
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| 	}
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| }
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| 
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| extern __inline__ void
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| iopin_set_in(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padir;
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| 		*dirp &= ~(1 << (15 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir;
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| 		*dirp &= ~(1 << (31 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir;
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| 		*dirp &= ~(1 << (15 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTD) {
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| 		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddir;
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| 		*dirp &= ~(1 << (15 - iopin->pin));
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| 	}
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| }
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| 
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| extern __inline__ uint
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| iopin_is_out(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padir;
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| 		return (*dirp >> (15 - iopin->pin)) & 1;
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir;
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| 		return (*dirp >> (31 - iopin->pin)) & 1;
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| 	} else if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir;
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| 		return (*dirp >> (15 - iopin->pin)) & 1;
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| 	} else if (iopin->port == IOPIN_PORTD) {
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| 		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddir;
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| 		return (*dirp >> (15 - iopin->pin)) & 1;
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| 	}
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| 	return 0;
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| }
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| 
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| extern __inline__ uint
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| iopin_is_in(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padir;
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| 		return ((*dirp >> (15 - iopin->pin)) & 1) ^ 1;
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir;
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| 		return ((*dirp >> (31 - iopin->pin)) & 1) ^ 1;
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| 	} else if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir;
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| 		return ((*dirp >> (15 - iopin->pin)) & 1) ^ 1;
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| 	} else if (iopin->port == IOPIN_PORTD) {
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| 		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddir;
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| 		return ((*dirp >> (15 - iopin->pin)) & 1) ^ 1;
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| 	}
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| 	return 0;
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| }
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| 
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| extern __inline__ void
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| iopin_set_odr(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr;
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| 		*odrp |= (1 << (15 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbodr;
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| 		*odrp |= (1 << (31 - iopin->pin));
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| 	}
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| }
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| 
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| extern __inline__ void
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| iopin_set_act(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr;
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| 		*odrp &= ~(1 << (15 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbodr;
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| 		*odrp &= ~(1 << (31 - iopin->pin));
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| 	}
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| }
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| 
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| extern __inline__ uint
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| iopin_is_odr(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr;
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| 		return (*odrp >> (15 - iopin->pin)) & 1;
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbodr;
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| 		return (*odrp >> (31 - iopin->pin)) & 1;
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| 	}
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| 	return 0;
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| }
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| 
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| extern __inline__ uint
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| iopin_is_act(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr;
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| 		return ((*odrp >> (15 - iopin->pin)) & 1) ^ 1;
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbodr;
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| 		return ((*odrp >> (31 - iopin->pin)) & 1) ^ 1;
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| 	}
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| 	return 0;
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| }
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| 
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| extern __inline__ void
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| iopin_set_ded(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_papar;
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| 		*parp |= (1 << (15 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar;
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| 		*parp |= (1 << (31 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar;
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| 		*parp |= (1 << (15 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTD) {
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| 		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdpar;
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| 		*parp |= (1 << (15 - iopin->pin));
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| 	}
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| }
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| 
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| extern __inline__ void
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| iopin_set_gen(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_papar;
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| 		*parp &= ~(1 << (15 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar;
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| 		*parp &= ~(1 << (31 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar;
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| 		*parp &= ~(1 << (15 - iopin->pin));
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| 	} else if (iopin->port == IOPIN_PORTD) {
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| 		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdpar;
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| 		*parp &= ~(1 << (15 - iopin->pin));
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| 	}
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| }
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| 
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| extern __inline__ uint
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| iopin_is_ded(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_papar;
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| 		return (*parp >> (15 - iopin->pin)) & 1;
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar;
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| 		return (*parp >> (31 - iopin->pin)) & 1;
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| 	} else if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar;
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| 		return (*parp >> (15 - iopin->pin)) & 1;
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| 	} else if (iopin->port == IOPIN_PORTD) {
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| 		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdpar;
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| 		return (*parp >> (15 - iopin->pin)) & 1;
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| 	}
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| 	return 0;
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| }
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| 
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| extern __inline__ uint
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| iopin_is_gen(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTA) {
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| 		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_papar;
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| 		return ((*parp >> (15 - iopin->pin)) & 1) ^ 1;
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| 	} else if (iopin->port == IOPIN_PORTB) {
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| 		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar;
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| 		return ((*parp >> (31 - iopin->pin)) & 1) ^ 1;
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| 	} else if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar;
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| 		return ((*parp >> (15 - iopin->pin)) & 1) ^ 1;
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| 	} else if (iopin->port == IOPIN_PORTD) {
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| 		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdpar;
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| 		return ((*parp >> (15 - iopin->pin)) & 1) ^ 1;
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| 	}
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| 	return 0;
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| }
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| 
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| extern __inline__ void
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| iopin_set_opt2(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcso;
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| 		*sorp |= (1 << (15 - iopin->pin));
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| 	}
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| }
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| 
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| extern __inline__ void
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| iopin_set_opt1(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcso;
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| 		*sorp &= ~(1 << (15 - iopin->pin));
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| 	}
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| }
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| 
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| extern __inline__ uint
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| iopin_is_opt2(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcso;
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| 		return (*sorp >> (15 - iopin->pin)) & 1;
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| 	}
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| 	return 0;
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| }
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| 
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| extern __inline__ uint
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| iopin_is_opt1(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcso;
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| 		return ((*sorp >> (15 - iopin->pin)) & 1) ^ 1;
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| 	}
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| 	return 0;
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| }
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| 
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| extern __inline__ void
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| iopin_set_falledge(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *intp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcint;
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| 		*intp |= (1 << (15 - iopin->pin));
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| 	}
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| }
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| 
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| extern __inline__ void
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| iopin_set_anyedge(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *intp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcint;
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| 		*intp &= ~(1 << (15 - iopin->pin));
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| 	}
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| }
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| 
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| extern __inline__ uint
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| iopin_is_falledge(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *intp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcint;
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| 		return (*intp >> (15 - iopin->pin)) & 1;
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| 	}
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| 	return 0;
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| }
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| 
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| extern __inline__ uint
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| iopin_is_anyedge(iopin_t *iopin)
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| {
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| 	if (iopin->port == IOPIN_PORTC) {
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| 		volatile ushort *intp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcint;
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| 		return ((*intp >> (15 - iopin->pin)) & 1) ^ 1;
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| 	}
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| 	return 0;
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| }
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| 
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| #endif /* __KERNEL__ */
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| 
 | |
| #endif /* _ASM_IOPIN_8XX_H_ */
 |