summaryrefslogtreecommitdiff
path: root/arch/powerpc/include/asm/iopin_8xx.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/include/asm/iopin_8xx.h')
-rw-r--r--arch/powerpc/include/asm/iopin_8xx.h466
1 files changed, 466 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/iopin_8xx.h b/arch/powerpc/include/asm/iopin_8xx.h
new file mode 100644
index 0000000..a41b332
--- /dev/null
+++ b/arch/powerpc/include/asm/iopin_8xx.h
@@ -0,0 +1,466 @@
+/* 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_ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 11:44:03 +0000