467 lines
12 KiB
C
467 lines
12 KiB
C
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/* SPDX-License-Identifier: GPL-2.0+ */
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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/immap_8xx.h>
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#include <asm/io.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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static inline void iopin_set_high(iopin_t *iopin)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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if (iopin->port == IOPIN_PORTA) {
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ushort __iomem *datp = &immap->im_ioport.iop_padat;
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setbits_be16(datp, 1 << (15 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTB) {
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uint __iomem *datp = &immap->im_cpm.cp_pbdat;
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setbits_be32(datp, 1 << (31 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTC) {
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ushort __iomem *datp = &immap->im_ioport.iop_pcdat;
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setbits_be16(datp, 1 << (15 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTD) {
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ushort __iomem *datp = &immap->im_ioport.iop_pddat;
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setbits_be16(datp, 1 << (15 - iopin->pin));
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}
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}
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static inline void iopin_set_low(iopin_t *iopin)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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if (iopin->port == IOPIN_PORTA) {
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ushort __iomem *datp = &immap->im_ioport.iop_padat;
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clrbits_be16(datp, 1 << (15 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTB) {
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uint __iomem *datp = &immap->im_cpm.cp_pbdat;
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clrbits_be32(datp, 1 << (31 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTC) {
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ushort __iomem *datp = &immap->im_ioport.iop_pcdat;
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clrbits_be16(datp, 1 << (15 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTD) {
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ushort __iomem *datp = &immap->im_ioport.iop_pddat;
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clrbits_be16(datp, 1 << (15 - iopin->pin));
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}
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}
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static inline uint iopin_is_high(iopin_t *iopin)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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if (iopin->port == IOPIN_PORTA) {
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ushort __iomem *datp = &immap->im_ioport.iop_padat;
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return (in_be16(datp) >> (15 - iopin->pin)) & 1;
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} else if (iopin->port == IOPIN_PORTB) {
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uint __iomem *datp = &immap->im_cpm.cp_pbdat;
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return (in_be32(datp) >> (31 - iopin->pin)) & 1;
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} else if (iopin->port == IOPIN_PORTC) {
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ushort __iomem *datp = &immap->im_ioport.iop_pcdat;
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return (in_be16(datp) >> (15 - iopin->pin)) & 1;
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} else if (iopin->port == IOPIN_PORTD) {
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ushort __iomem *datp = &immap->im_ioport.iop_pddat;
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return (in_be16(datp) >> (15 - iopin->pin)) & 1;
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}
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return 0;
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}
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static inline uint iopin_is_low(iopin_t *iopin)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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if (iopin->port == IOPIN_PORTA) {
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ushort __iomem *datp = &immap->im_ioport.iop_padat;
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return ((in_be16(datp) >> (15 - iopin->pin)) & 1) ^ 1;
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} else if (iopin->port == IOPIN_PORTB) {
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uint __iomem *datp = &immap->im_cpm.cp_pbdat;
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return ((in_be32(datp) >> (31 - iopin->pin)) & 1) ^ 1;
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} else if (iopin->port == IOPIN_PORTC) {
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ushort __iomem *datp = &immap->im_ioport.iop_pcdat;
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return ((in_be16(datp) >> (15 - iopin->pin)) & 1) ^ 1;
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} else if (iopin->port == IOPIN_PORTD) {
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ushort __iomem *datp = &immap->im_ioport.iop_pddat;
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return ((in_be16(datp) >> (15 - iopin->pin)) & 1) ^ 1;
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}
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return 0;
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}
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static inline void iopin_set_out(iopin_t *iopin)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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if (iopin->port == IOPIN_PORTA) {
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ushort __iomem *dirp = &immap->im_ioport.iop_padir;
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setbits_be16(dirp, 1 << (15 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTB) {
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uint __iomem *dirp = &immap->im_cpm.cp_pbdir;
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setbits_be32(dirp, 1 << (31 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTC) {
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ushort __iomem *dirp = &immap->im_ioport.iop_pcdir;
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setbits_be16(dirp, 1 << (15 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTD) {
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ushort __iomem *dirp = &immap->im_ioport.iop_pddir;
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setbits_be16(dirp, 1 << (15 - iopin->pin));
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}
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}
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static inline void iopin_set_in(iopin_t *iopin)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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if (iopin->port == IOPIN_PORTA) {
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ushort __iomem *dirp = &immap->im_ioport.iop_padir;
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clrbits_be16(dirp, 1 << (15 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTB) {
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uint __iomem *dirp = &immap->im_cpm.cp_pbdir;
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clrbits_be32(dirp, 1 << (31 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTC) {
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ushort __iomem *dirp = &immap->im_ioport.iop_pcdir;
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clrbits_be16(dirp, 1 << (15 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTD) {
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ushort __iomem *dirp = &immap->im_ioport.iop_pddir;
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clrbits_be16(dirp, 1 << (15 - iopin->pin));
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}
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}
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static inline uint iopin_is_out(iopin_t *iopin)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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if (iopin->port == IOPIN_PORTA) {
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ushort __iomem *dirp = &immap->im_ioport.iop_padir;
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return (in_be16(dirp) >> (15 - iopin->pin)) & 1;
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} else if (iopin->port == IOPIN_PORTB) {
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uint __iomem *dirp = &immap->im_cpm.cp_pbdir;
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return (in_be32(dirp) >> (31 - iopin->pin)) & 1;
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} else if (iopin->port == IOPIN_PORTC) {
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ushort __iomem *dirp = &immap->im_ioport.iop_pcdir;
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return (in_be16(dirp) >> (15 - iopin->pin)) & 1;
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} else if (iopin->port == IOPIN_PORTD) {
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ushort __iomem *dirp = &immap->im_ioport.iop_pddir;
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return (in_be16(dirp) >> (15 - iopin->pin)) & 1;
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}
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return 0;
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}
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static inline uint iopin_is_in(iopin_t *iopin)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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if (iopin->port == IOPIN_PORTA) {
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ushort __iomem *dirp = &immap->im_ioport.iop_padir;
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return ((in_be16(dirp) >> (15 - iopin->pin)) & 1) ^ 1;
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} else if (iopin->port == IOPIN_PORTB) {
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uint __iomem *dirp = &immap->im_cpm.cp_pbdir;
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return ((in_be32(dirp) >> (31 - iopin->pin)) & 1) ^ 1;
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} else if (iopin->port == IOPIN_PORTC) {
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ushort __iomem *dirp = &immap->im_ioport.iop_pcdir;
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return ((in_be16(dirp) >> (15 - iopin->pin)) & 1) ^ 1;
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} else if (iopin->port == IOPIN_PORTD) {
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ushort __iomem *dirp = &immap->im_ioport.iop_pddir;
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return ((in_be16(dirp) >> (15 - iopin->pin)) & 1) ^ 1;
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}
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return 0;
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}
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static inline void iopin_set_odr(iopin_t *iopin)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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if (iopin->port == IOPIN_PORTA) {
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ushort __iomem *odrp = &immap->im_ioport.iop_paodr;
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setbits_be16(odrp, 1 << (15 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTB) {
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ushort __iomem *odrp = &immap->im_cpm.cp_pbodr;
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setbits_be16(odrp, 1 << (31 - iopin->pin));
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}
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}
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static inline void iopin_set_act(iopin_t *iopin)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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if (iopin->port == IOPIN_PORTA) {
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ushort __iomem *odrp = &immap->im_ioport.iop_paodr;
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clrbits_be16(odrp, 1 << (15 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTB) {
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ushort __iomem *odrp = &immap->im_cpm.cp_pbodr;
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clrbits_be16(odrp, 1 << (31 - iopin->pin));
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}
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}
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static inline uint iopin_is_odr(iopin_t *iopin)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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if (iopin->port == IOPIN_PORTA) {
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ushort __iomem *odrp = &immap->im_ioport.iop_paodr;
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return (in_be16(odrp) >> (15 - iopin->pin)) & 1;
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} else if (iopin->port == IOPIN_PORTB) {
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ushort __iomem *odrp = &immap->im_cpm.cp_pbodr;
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return (in_be16(odrp) >> (31 - iopin->pin)) & 1;
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}
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return 0;
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}
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static inline uint iopin_is_act(iopin_t *iopin)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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if (iopin->port == IOPIN_PORTA) {
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ushort __iomem *odrp = &immap->im_ioport.iop_paodr;
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return ((in_be16(odrp) >> (15 - iopin->pin)) & 1) ^ 1;
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} else if (iopin->port == IOPIN_PORTB) {
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ushort __iomem *odrp = &immap->im_cpm.cp_pbodr;
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return ((in_be16(odrp) >> (31 - iopin->pin)) & 1) ^ 1;
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}
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return 0;
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}
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static inline void iopin_set_ded(iopin_t *iopin)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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if (iopin->port == IOPIN_PORTA) {
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ushort __iomem *parp = &immap->im_ioport.iop_papar;
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setbits_be16(parp, 1 << (15 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTB) {
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uint __iomem *parp = &immap->im_cpm.cp_pbpar;
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setbits_be32(parp, 1 << (31 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTC) {
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ushort __iomem *parp = &immap->im_ioport.iop_pcpar;
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setbits_be16(parp, 1 << (15 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTD) {
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ushort __iomem *parp = &immap->im_ioport.iop_pdpar;
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setbits_be16(parp, 1 << (15 - iopin->pin));
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}
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}
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static inline void iopin_set_gen(iopin_t *iopin)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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if (iopin->port == IOPIN_PORTA) {
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ushort __iomem *parp = &immap->im_ioport.iop_papar;
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clrbits_be16(parp, 1 << (15 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTB) {
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uint __iomem *parp = &immap->im_cpm.cp_pbpar;
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clrbits_be32(parp, 1 << (31 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTC) {
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ushort __iomem *parp = &immap->im_ioport.iop_pcpar;
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clrbits_be16(parp, 1 << (15 - iopin->pin));
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} else if (iopin->port == IOPIN_PORTD) {
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ushort __iomem *parp = &immap->im_ioport.iop_pdpar;
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clrbits_be16(parp, 1 << (15 - iopin->pin));
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}
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}
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static inline uint iopin_is_ded(iopin_t *iopin)
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{
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||
|
|
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
|
||
|
|
|
||
|
|
if (iopin->port == IOPIN_PORTA) {
|
||
|
|
ushort __iomem *parp = &immap->im_ioport.iop_papar;
|
||
|
|
|
||
|
|
return (in_be16(parp) >> (15 - iopin->pin)) & 1;
|
||
|
|
} else if (iopin->port == IOPIN_PORTB) {
|
||
|
|
uint __iomem *parp = &immap->im_cpm.cp_pbpar;
|
||
|
|
|
||
|
|
return (in_be32(parp) >> (31 - iopin->pin)) & 1;
|
||
|
|
} else if (iopin->port == IOPIN_PORTC) {
|
||
|
|
ushort __iomem *parp = &immap->im_ioport.iop_pcpar;
|
||
|
|
|
||
|
|
return (in_be16(parp) >> (15 - iopin->pin)) & 1;
|
||
|
|
} else if (iopin->port == IOPIN_PORTD) {
|
||
|
|
ushort __iomem *parp = &immap->im_ioport.iop_pdpar;
|
||
|
|
|
||
|
|
return (in_be16(parp) >> (15 - iopin->pin)) & 1;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline uint iopin_is_gen(iopin_t *iopin)
|
||
|
|
{
|
||
|
|
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
|
||
|
|
|
||
|
|
if (iopin->port == IOPIN_PORTA) {
|
||
|
|
ushort __iomem *parp = &immap->im_ioport.iop_papar;
|
||
|
|
|
||
|
|
return ((in_be16(parp) >> (15 - iopin->pin)) & 1) ^ 1;
|
||
|
|
} else if (iopin->port == IOPIN_PORTB) {
|
||
|
|
uint __iomem *parp = &immap->im_cpm.cp_pbpar;
|
||
|
|
|
||
|
|
return ((in_be32(parp) >> (31 - iopin->pin)) & 1) ^ 1;
|
||
|
|
} else if (iopin->port == IOPIN_PORTC) {
|
||
|
|
ushort __iomem *parp = &immap->im_ioport.iop_pcpar;
|
||
|
|
|
||
|
|
return ((in_be16(parp) >> (15 - iopin->pin)) & 1) ^ 1;
|
||
|
|
} else if (iopin->port == IOPIN_PORTD) {
|
||
|
|
ushort __iomem *parp = &immap->im_ioport.iop_pdpar;
|
||
|
|
|
||
|
|
return ((in_be16(parp) >> (15 - iopin->pin)) & 1) ^ 1;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void iopin_set_opt2(iopin_t *iopin)
|
||
|
|
{
|
||
|
|
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
|
||
|
|
|
||
|
|
if (iopin->port == IOPIN_PORTC) {
|
||
|
|
ushort __iomem *sorp = &immap->im_ioport.iop_pcso;
|
||
|
|
|
||
|
|
setbits_be16(sorp, 1 << (15 - iopin->pin));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void iopin_set_opt1(iopin_t *iopin)
|
||
|
|
{
|
||
|
|
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
|
||
|
|
|
||
|
|
if (iopin->port == IOPIN_PORTC) {
|
||
|
|
ushort __iomem *sorp = &immap->im_ioport.iop_pcso;
|
||
|
|
|
||
|
|
clrbits_be16(sorp, 1 << (15 - iopin->pin));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline uint iopin_is_opt2(iopin_t *iopin)
|
||
|
|
{
|
||
|
|
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
|
||
|
|
|
||
|
|
if (iopin->port == IOPIN_PORTC) {
|
||
|
|
ushort __iomem *sorp = &immap->im_ioport.iop_pcso;
|
||
|
|
|
||
|
|
return (in_be16(sorp) >> (15 - iopin->pin)) & 1;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline uint iopin_is_opt1(iopin_t *iopin)
|
||
|
|
{
|
||
|
|
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
|
||
|
|
|
||
|
|
if (iopin->port == IOPIN_PORTC) {
|
||
|
|
ushort __iomem *sorp = &immap->im_ioport.iop_pcso;
|
||
|
|
|
||
|
|
return ((in_be16(sorp) >> (15 - iopin->pin)) & 1) ^ 1;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void iopin_set_falledge(iopin_t *iopin)
|
||
|
|
{
|
||
|
|
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
|
||
|
|
|
||
|
|
if (iopin->port == IOPIN_PORTC) {
|
||
|
|
ushort __iomem *intp = &immap->im_ioport.iop_pcint;
|
||
|
|
|
||
|
|
setbits_be16(intp, 1 << (15 - iopin->pin));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void iopin_set_anyedge(iopin_t *iopin)
|
||
|
|
{
|
||
|
|
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
|
||
|
|
|
||
|
|
if (iopin->port == IOPIN_PORTC) {
|
||
|
|
ushort __iomem *intp = &immap->im_ioport.iop_pcint;
|
||
|
|
|
||
|
|
clrbits_be16(intp, 1 << (15 - iopin->pin));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline uint iopin_is_falledge(iopin_t *iopin)
|
||
|
|
{
|
||
|
|
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
|
||
|
|
|
||
|
|
if (iopin->port == IOPIN_PORTC) {
|
||
|
|
ushort __iomem *intp = &immap->im_ioport.iop_pcint;
|
||
|
|
|
||
|
|
return (in_be16(intp) >> (15 - iopin->pin)) & 1;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline uint iopin_is_anyedge(iopin_t *iopin)
|
||
|
|
{
|
||
|
|
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
|
||
|
|
|
||
|
|
if (iopin->port == IOPIN_PORTC) {
|
||
|
|
ushort __iomem *intp = &immap->im_ioport.iop_pcint;
|
||
|
|
|
||
|
|
return ((in_be16(intp) >> (15 - iopin->pin)) & 1) ^ 1;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* __KERNEL__ */
|
||
|
|
|
||
|
|
#endif /* _ASM_IOPIN_8XX_H_ */
|