upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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396 lines
12 KiB
396 lines
12 KiB
20 years ago
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/*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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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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#ifndef _ASM_IOPIN_8XX_H_
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#define _ASM_IOPIN_8XX_H_
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#include <linux/types.h>
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#include <asm/8xx_immap.h>
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#ifdef __KERNEL__
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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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#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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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 *)CFG_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 *)CFG_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 *)CFG_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 *)CFG_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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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 *)CFG_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 *)CFG_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 *)CFG_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 *)CFG_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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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 *)CFG_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 *)CFG_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 *)CFG_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 *)CFG_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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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 *)CFG_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 *)CFG_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 *)CFG_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 *)CFG_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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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 *)CFG_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 *)CFG_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 *)CFG_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 *)CFG_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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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 *)CFG_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 *)CFG_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 *)CFG_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 *)CFG_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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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 *)CFG_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 *)CFG_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 *)CFG_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 *)CFG_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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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 *)CFG_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 *)CFG_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 *)CFG_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 *)CFG_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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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 *)CFG_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 *)CFG_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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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 *)CFG_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 *)CFG_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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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 *)CFG_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 *)CFG_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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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 *)CFG_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 *)CFG_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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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 *)CFG_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 *)CFG_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 *)CFG_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 *)CFG_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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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 *)CFG_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 *)CFG_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 *)CFG_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 *)CFG_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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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 *)CFG_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 *)CFG_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 *)CFG_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 *)CFG_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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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_ */
|