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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u-boot/arch/powerpc/include/asm/iopin_8xx.h

466 lines
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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* 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/immap_8xx.h>
#include <asm/io.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
static inline void iopin_set_high(iopin_t *iopin)
{
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
if (iopin->port == IOPIN_PORTA) {
ushort __iomem *datp = &immap->im_ioport.iop_padat;
setbits_be16(datp, 1 << (15 - iopin->pin));
} else if (iopin->port == IOPIN_PORTB) {
uint __iomem *datp = &immap->im_cpm.cp_pbdat;
setbits_be32(datp, 1 << (31 - iopin->pin));
} else if (iopin->port == IOPIN_PORTC) {
ushort __iomem *datp = &immap->im_ioport.iop_pcdat;
setbits_be16(datp, 1 << (15 - iopin->pin));
} else if (iopin->port == IOPIN_PORTD) {
ushort __iomem *datp = &immap->im_ioport.iop_pddat;
setbits_be16(datp, 1 << (15 - iopin->pin));
}
}
static inline void iopin_set_low(iopin_t *iopin)
{
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
if (iopin->port == IOPIN_PORTA) {
ushort __iomem *datp = &immap->im_ioport.iop_padat;
clrbits_be16(datp, 1 << (15 - iopin->pin));
} else if (iopin->port == IOPIN_PORTB) {
uint __iomem *datp = &immap->im_cpm.cp_pbdat;
clrbits_be32(datp, 1 << (31 - iopin->pin));
} else if (iopin->port == IOPIN_PORTC) {
ushort __iomem *datp = &immap->im_ioport.iop_pcdat;
clrbits_be16(datp, 1 << (15 - iopin->pin));
} else if (iopin->port == IOPIN_PORTD) {
ushort __iomem *datp = &immap->im_ioport.iop_pddat;
clrbits_be16(datp, 1 << (15 - iopin->pin));
}
}
static inline uint iopin_is_high(iopin_t *iopin)
{
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
if (iopin->port == IOPIN_PORTA) {
ushort __iomem *datp = &immap->im_ioport.iop_padat;
return (in_be16(datp) >> (15 - iopin->pin)) & 1;
} else if (iopin->port == IOPIN_PORTB) {
uint __iomem *datp = &immap->im_cpm.cp_pbdat;
return (in_be32(datp) >> (31 - iopin->pin)) & 1;
} else if (iopin->port == IOPIN_PORTC) {
ushort __iomem *datp = &immap->im_ioport.iop_pcdat;
return (in_be16(datp) >> (15 - iopin->pin)) & 1;
} else if (iopin->port == IOPIN_PORTD) {
ushort __iomem *datp = &immap->im_ioport.iop_pddat;
return (in_be16(datp) >> (15 - iopin->pin)) & 1;
}
return 0;
}
static inline uint iopin_is_low(iopin_t *iopin)
{
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
if (iopin->port == IOPIN_PORTA) {
ushort __iomem *datp = &immap->im_ioport.iop_padat;
return ((in_be16(datp) >> (15 - iopin->pin)) & 1) ^ 1;
} else if (iopin->port == IOPIN_PORTB) {
uint __iomem *datp = &immap->im_cpm.cp_pbdat;
return ((in_be32(datp) >> (31 - iopin->pin)) & 1) ^ 1;
} else if (iopin->port == IOPIN_PORTC) {
ushort __iomem *datp = &immap->im_ioport.iop_pcdat;
return ((in_be16(datp) >> (15 - iopin->pin)) & 1) ^ 1;
} else if (iopin->port == IOPIN_PORTD) {
ushort __iomem *datp = &immap->im_ioport.iop_pddat;
return ((in_be16(datp) >> (15 - iopin->pin)) & 1) ^ 1;
}
return 0;
}
static inline void iopin_set_out(iopin_t *iopin)
{
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
if (iopin->port == IOPIN_PORTA) {
ushort __iomem *dirp = &immap->im_ioport.iop_padir;
setbits_be16(dirp, 1 << (15 - iopin->pin));
} else if (iopin->port == IOPIN_PORTB) {
uint __iomem *dirp = &immap->im_cpm.cp_pbdir;
setbits_be32(dirp, 1 << (31 - iopin->pin));
} else if (iopin->port == IOPIN_PORTC) {
ushort __iomem *dirp = &immap->im_ioport.iop_pcdir;
setbits_be16(dirp, 1 << (15 - iopin->pin));
} else if (iopin->port == IOPIN_PORTD) {
ushort __iomem *dirp = &immap->im_ioport.iop_pddir;
setbits_be16(dirp, 1 << (15 - iopin->pin));
}
}
static inline void iopin_set_in(iopin_t *iopin)
{
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
if (iopin->port == IOPIN_PORTA) {
ushort __iomem *dirp = &immap->im_ioport.iop_padir;
clrbits_be16(dirp, 1 << (15 - iopin->pin));
} else if (iopin->port == IOPIN_PORTB) {
uint __iomem *dirp = &immap->im_cpm.cp_pbdir;
clrbits_be32(dirp, 1 << (31 - iopin->pin));
} else if (iopin->port == IOPIN_PORTC) {
ushort __iomem *dirp = &immap->im_ioport.iop_pcdir;
clrbits_be16(dirp, 1 << (15 - iopin->pin));
} else if (iopin->port == IOPIN_PORTD) {
ushort __iomem *dirp = &immap->im_ioport.iop_pddir;
clrbits_be16(dirp, 1 << (15 - iopin->pin));
}
}
static inline uint iopin_is_out(iopin_t *iopin)
{
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
if (iopin->port == IOPIN_PORTA) {
ushort __iomem *dirp = &immap->im_ioport.iop_padir;
return (in_be16(dirp) >> (15 - iopin->pin)) & 1;
} else if (iopin->port == IOPIN_PORTB) {
uint __iomem *dirp = &immap->im_cpm.cp_pbdir;
return (in_be32(dirp) >> (31 - iopin->pin)) & 1;
} else if (iopin->port == IOPIN_PORTC) {
ushort __iomem *dirp = &immap->im_ioport.iop_pcdir;
return (in_be16(dirp) >> (15 - iopin->pin)) & 1;
} else if (iopin->port == IOPIN_PORTD) {
ushort __iomem *dirp = &immap->im_ioport.iop_pddir;
return (in_be16(dirp) >> (15 - iopin->pin)) & 1;
}
return 0;
}
static inline uint iopin_is_in(iopin_t *iopin)
{
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
if (iopin->port == IOPIN_PORTA) {
ushort __iomem *dirp = &immap->im_ioport.iop_padir;
return ((in_be16(dirp) >> (15 - iopin->pin)) & 1) ^ 1;
} else if (iopin->port == IOPIN_PORTB) {
uint __iomem *dirp = &immap->im_cpm.cp_pbdir;
return ((in_be32(dirp) >> (31 - iopin->pin)) & 1) ^ 1;
} else if (iopin->port == IOPIN_PORTC) {
ushort __iomem *dirp = &immap->im_ioport.iop_pcdir;
return ((in_be16(dirp) >> (15 - iopin->pin)) & 1) ^ 1;
} else if (iopin->port == IOPIN_PORTD) {
ushort __iomem *dirp = &immap->im_ioport.iop_pddir;
return ((in_be16(dirp) >> (15 - iopin->pin)) & 1) ^ 1;
}
return 0;
}
static inline void iopin_set_odr(iopin_t *iopin)
{
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
if (iopin->port == IOPIN_PORTA) {
ushort __iomem *odrp = &immap->im_ioport.iop_paodr;
setbits_be16(odrp, 1 << (15 - iopin->pin));
} else if (iopin->port == IOPIN_PORTB) {
ushort __iomem *odrp = &immap->im_cpm.cp_pbodr;
setbits_be16(odrp, 1 << (31 - iopin->pin));
}
}
static inline void iopin_set_act(iopin_t *iopin)
{
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
if (iopin->port == IOPIN_PORTA) {
ushort __iomem *odrp = &immap->im_ioport.iop_paodr;
clrbits_be16(odrp, 1 << (15 - iopin->pin));
} else if (iopin->port == IOPIN_PORTB) {
ushort __iomem *odrp = &immap->im_cpm.cp_pbodr;
clrbits_be16(odrp, 1 << (31 - iopin->pin));
}
}
static inline uint iopin_is_odr(iopin_t *iopin)
{
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
if (iopin->port == IOPIN_PORTA) {
ushort __iomem *odrp = &immap->im_ioport.iop_paodr;
return (in_be16(odrp) >> (15 - iopin->pin)) & 1;
} else if (iopin->port == IOPIN_PORTB) {
ushort __iomem *odrp = &immap->im_cpm.cp_pbodr;
return (in_be16(odrp) >> (31 - iopin->pin)) & 1;
}
return 0;
}
static inline uint iopin_is_act(iopin_t *iopin)
{
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
if (iopin->port == IOPIN_PORTA) {
ushort __iomem *odrp = &immap->im_ioport.iop_paodr;
return ((in_be16(odrp) >> (15 - iopin->pin)) & 1) ^ 1;
} else if (iopin->port == IOPIN_PORTB) {
ushort __iomem *odrp = &immap->im_cpm.cp_pbodr;
return ((in_be16(odrp) >> (31 - iopin->pin)) & 1) ^ 1;
}
return 0;
}
static inline void iopin_set_ded(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;
setbits_be16(parp, 1 << (15 - iopin->pin));
} else if (iopin->port == IOPIN_PORTB) {
uint __iomem *parp = &immap->im_cpm.cp_pbpar;
setbits_be32(parp, 1 << (31 - iopin->pin));
} else if (iopin->port == IOPIN_PORTC) {
ushort __iomem *parp = &immap->im_ioport.iop_pcpar;
setbits_be16(parp, 1 << (15 - iopin->pin));
} else if (iopin->port == IOPIN_PORTD) {
ushort __iomem *parp = &immap->im_ioport.iop_pdpar;
setbits_be16(parp, 1 << (15 - iopin->pin));
}
}
static inline void iopin_set_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;
clrbits_be16(parp, 1 << (15 - iopin->pin));
} else if (iopin->port == IOPIN_PORTB) {
uint __iomem *parp = &immap->im_cpm.cp_pbpar;
clrbits_be32(parp, 1 << (31 - iopin->pin));
} else if (iopin->port == IOPIN_PORTC) {
ushort __iomem *parp = &immap->im_ioport.iop_pcpar;
clrbits_be16(parp, 1 << (15 - iopin->pin));
} else if (iopin->port == IOPIN_PORTD) {
ushort __iomem *parp = &immap->im_ioport.iop_pdpar;
clrbits_be16(parp, 1 << (15 - iopin->pin));
}
}
static inline uint iopin_is_ded(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;
} 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_ */