diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/ioports.h | 51 | ||||
| -rw-r--r-- | include/mpc8260_irq.h | 41 | 
2 files changed, 92 insertions, 0 deletions
| diff --git a/include/ioports.h b/include/ioports.h new file mode 100644 index 000000000..8f5947f46 --- /dev/null +++ b/include/ioports.h @@ -0,0 +1,51 @@ +/* + * definitions for MPC8260 I/O Ports + * + * (in addition to those provided in <asm/immap_8260.h>) + * + * Murray.Jensen@cmst.csiro.au, 20-Oct-00 + */ + +/* + * this structure mirrors the layout of the five port registers in + * the internal memory map - see iop8260_t in <asm/immap_8260.h> + */ +typedef struct { +    unsigned int pdir;		/* Port Data Direction Register (35-3) */ +    unsigned int ppar;		/* Port Pin Assignment Register (35-4) */ +    unsigned int psor;		/* Port Special Options Register (35-5) */ +    unsigned int podr;		/* Port Open Drain Register (35-2) */ +    unsigned int pdat;		/* Port Data Register (35-3) */ +} ioport_t; + +/* + * this macro calculates the address within the internal + * memory map (im) of the set of registers for a port (idx) + * + * the internal memory map aligns the above structure on + * a 0x20 byte boundary + */ +#define ioport_addr(im, idx) (ioport_t *)((uint)&(im)->im_ioport + ((idx)*0x20)) + +/* + * this structure provides configuration + * information for one port pin + */ +typedef struct { +    unsigned char conf:1;	/* if 1, configure this port */ +    unsigned char ppar:1;	/* Port Pin Assignment Register (35-4) */ +    unsigned char psor:1;	/* Port Special Options Register (35-2) */ +    unsigned char pdir:1;	/* Port Data Direction Register (35-3) */ +    unsigned char podr:1;	/* Port Open Drain Register (35-2) */ +    unsigned char pdat:1;	/* Port Data Register (35-2) */ +} iop_conf_t; + +/* + * a table that contains configuration information for all 32 pins + * of all four MPC8260 I/O ports. + * + * NOTE: in the second dimension of this table, index 0 refers to pin 31 + * and index 31 refers to pin 0. this made the code in the table look more + * like the table in the 8260UM (and in the hymod manuals). + */ +extern const iop_conf_t iop_conf_tab[4][32]; diff --git a/include/mpc8260_irq.h b/include/mpc8260_irq.h new file mode 100644 index 000000000..046dd3264 --- /dev/null +++ b/include/mpc8260_irq.h @@ -0,0 +1,41 @@ +#ifndef _MPC8260_IRQ_H +#define _MPC8260_IRQ_H + +/****************************************************************************/ +/* most of this was ripped out of include/asm-ppc/irq.h from the Linux/PPC  */ +/* source. There was no copyright information in the file.		    */ + +/* + * this is the # irq's for all ppc arch's (pmac/chrp/prep) + * so it is the max of them all + * + * [let's just worry about 8260 for now - mjj] + */ +#define NR_IRQS			64 + +/* The 8260 has an internal interrupt controller with a maximum of + * 64 IRQs.  We will use NR_IRQs from above since it is large enough. + * Don't be confused by the 8260 documentation where they list an + * "interrupt number" and "interrupt vector".  We are only interested + * in the interrupt vector.  There are "reserved" holes where the + * vector number increases, but the interrupt number in the table does not. + * (Document errata updates have fixed this...make sure you have up to + * date processor documentation -- Dan). + */ +#define NR_SIU_INTS	64 + +/* There are many more than these, we will add them as we need them. +*/ +#define	SIU_INT_SMC1		((uint)0x04) +#define	SIU_INT_SMC2		((uint)0x05) +#define	SIU_INT_FCC1		((uint)0x20) +#define	SIU_INT_FCC2		((uint)0x21) +#define	SIU_INT_FCC3		((uint)0x22) +#define	SIU_INT_SCC1		((uint)0x28) +#define	SIU_INT_SCC2		((uint)0x29) +#define	SIU_INT_SCC3		((uint)0x2a) +#define	SIU_INT_SCC4		((uint)0x2b) + +#define NR_MASK_WORDS	((NR_IRQS + 31) / 32) + +#endif /* _MPC8260_IRQ_H */ |