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-rw-r--r--arch/powerpc/include/asm/iopin_8260.h168
1 files changed, 168 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/iopin_8260.h b/arch/powerpc/include/asm/iopin_8260.h
new file mode 100644
index 0000000..619f3a8
--- /dev/null
+++ b/arch/powerpc/include/asm/iopin_8260.h
@@ -0,0 +1,168 @@
+/*
+ * MPC8260 I/O port pin manipulation functions
+ */
+
+#ifndef _ASM_IOPIN_8260_H_
+#define _ASM_IOPIN_8260_H_
+
+#include <linux/types.h>
+#include <asm/immap_8260.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
+
+extern __inline__ void
+iopin_set_high(iopin_t *iopin)
+{
+ volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdata;
+ datp[iopin->port * 8] |= (1 << (31 - iopin->pin));
+}
+
+extern __inline__ void
+iopin_set_low(iopin_t *iopin)
+{
+ volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdata;
+ datp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
+}
+
+extern __inline__ uint
+iopin_is_high(iopin_t *iopin)
+{
+ volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdata;
+ return (datp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
+}
+
+extern __inline__ uint
+iopin_is_low(iopin_t *iopin)
+{
+ volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdata;
+ return ((datp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
+}
+
+extern __inline__ void
+iopin_set_out(iopin_t *iopin)
+{
+ volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdira;
+ dirp[iopin->port * 8] |= (1 << (31 - iopin->pin));
+}
+
+extern __inline__ void
+iopin_set_in(iopin_t *iopin)
+{
+ volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdira;
+ dirp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
+}
+
+extern __inline__ uint
+iopin_is_out(iopin_t *iopin)
+{
+ volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdira;
+ return (dirp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
+}
+
+extern __inline__ uint
+iopin_is_in(iopin_t *iopin)
+{
+ volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdira;
+ return ((dirp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
+}
+
+extern __inline__ void
+iopin_set_odr(iopin_t *iopin)
+{
+ volatile uint *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_podra;
+ odrp[iopin->port * 8] |= (1 << (31 - iopin->pin));
+}
+
+extern __inline__ void
+iopin_set_act(iopin_t *iopin)
+{
+ volatile uint *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_podra;
+ odrp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
+}
+
+extern __inline__ uint
+iopin_is_odr(iopin_t *iopin)
+{
+ volatile uint *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_podra;
+ return (odrp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
+}
+
+extern __inline__ uint
+iopin_is_act(iopin_t *iopin)
+{
+ volatile uint *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_podra;
+ return ((odrp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
+}
+
+extern __inline__ void
+iopin_set_ded(iopin_t *iopin)
+{
+ volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_ppara;
+ parp[iopin->port * 8] |= (1 << (31 - iopin->pin));
+}
+
+extern __inline__ void
+iopin_set_gen(iopin_t *iopin)
+{
+ volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_ppara;
+ parp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
+}
+
+extern __inline__ uint
+iopin_is_ded(iopin_t *iopin)
+{
+ volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_ppara;
+ return (parp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
+}
+
+extern __inline__ uint
+iopin_is_gen(iopin_t *iopin)
+{
+ volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_ppara;
+ return ((parp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
+}
+
+extern __inline__ void
+iopin_set_opt2(iopin_t *iopin)
+{
+ volatile uint *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_psora;
+ sorp[iopin->port * 8] |= (1 << (31 - iopin->pin));
+}
+
+extern __inline__ void
+iopin_set_opt1(iopin_t *iopin)
+{
+ volatile uint *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_psora;
+ sorp[iopin->port * 8] &= ~(1 << (31 - iopin->pin));
+}
+
+extern __inline__ uint
+iopin_is_opt2(iopin_t *iopin)
+{
+ volatile uint *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_psora;
+ return (sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1;
+}
+
+extern __inline__ uint
+iopin_is_opt1(iopin_t *iopin)
+{
+ volatile uint *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_psora;
+ return ((sorp[iopin->port * 8] >> (31 - iopin->pin)) & 1) ^ 1;
+}
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_IOPIN_8260_H_ */
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