diff options
Diffstat (limited to 'include/asm-arm/arch-at91/at91_pio.h')
| -rw-r--r-- | include/asm-arm/arch-at91/at91_pio.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/include/asm-arm/arch-at91/at91_pio.h b/include/asm-arm/arch-at91/at91_pio.h index f6ce1f9..92c3717 100644 --- a/include/asm-arm/arch-at91/at91_pio.h +++ b/include/asm-arm/arch-at91/at91_pio.h @@ -3,6 +3,7 @@ * * Copyright (C) 2005 Ivan Kokshaysky * Copyright (C) SAN People + * Copyright (C) 2009 Jens Scharsig (js_at_ng@scharsoft.de) * * Parallel I/O Controller (PIO) - System peripherals registers. * Based on AT91RM9200 datasheet revision E. @@ -16,6 +17,101 @@ #ifndef AT91_PIO_H #define AT91_PIO_H + +#define AT91_ASM_PIO_RANGE 0x200 +#define AT91_ASM_PIOC_PDR \ + (AT91_PIO_BASE + AT91_PIO_PORTC*AT91_ASM_PIO_RANGE + 0x04) +#define AT91_ASM_PIOC_PUDR \ + (AT91_PIO_BASE + AT91_PIO_PORTC*AT91_ASM_PIO_RANGE + 0x60) + +#define AT91_ASM_PIOD_PDR \ + (AT91_PIO_BASE + AT91_PIO_PORTD*AT91_ASM_PIO_RANGE + 0x04) +#define AT91_ASM_PIOD_PUDR \ + (AT91_PIO_BASE + AT91_PIO_PORTD*AT91_ASM_PIO_RANGE + 0x60) +#define AT91_ASM_PIOD_ASR \ + (AT91_PIO_BASE + AT91_PIO_PORTD*AT91_ASM_PIO_RANGE + 0x70) + +#ifndef __ASSEMBLY__ + +typedef struct at91_port { + u32 per; /* 0x00 PIO Enable Register */ + u32 pdr; /* 0x04 PIO Disable Register */ + u32 psr; /* 0x08 PIO Status Register */ + u32 reserved0; + u32 oer; /* 0x10 Output Enable Register */ + u32 odr; /* 0x14 Output Disable Registerr */ + u32 osr; /* 0x18 Output Status Register */ + u32 reserved1; + u32 ifer; /* 0x20 Input Filter Enable Register */ + u32 ifdr; /* 0x24 Input Filter Disable Register */ + u32 ifsr; /* 0x28 Input Filter Status Register */ + u32 reserved2; + u32 sodr; /* 0x30 Set Output Data Register */ + u32 codr; /* 0x34 Clear Output Data Register */ + u32 odsr; /* 0x38 Output Data Status Register */ + u32 pdsr; /* 0x3C Pin Data Status Register */ + u32 ier; /* 0x40 Interrupt Enable Register */ + u32 idr; /* 0x44 Interrupt Disable Register */ + u32 imr; /* 0x48 Interrupt Mask Register */ + u32 isr; /* 0x4C Interrupt Status Register */ + u32 mder; /* 0x50 Multi-driver Enable Register */ + u32 mddr; /* 0x54 Multi-driver Disable Register */ + u32 mdsr; /* 0x58 Multi-driver Status Register */ + u32 reserved3; + u32 pudr; /* 0x60 Pull-up Disable Register */ + u32 puer; /* 0x64 Pull-up Enable Register */ + u32 pusr; /* 0x68 Pad Pull-up Status Register */ + u32 reserved4; + u32 asr; /* 0x70 Select A Register */ + u32 bsr; /* 0x74 Select B Register */ + u32 absr; /* 0x78 AB Select Status Register */ + u32 reserved5[9]; /* */ + u32 ower; /* 0xA0 Output Write Enable Register */ + u32 owdr; /* 0xA4 Output Write Disable Register */ + u32 owsr; /* OxA8 utput Write Status Register */ + u32 reserved6[85]; +} at91_port_t; + +#if defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9261) || \ + defined(CONFIG_AT91SAM9G10) || defined(CONFIG_AT91SAM9G20) +#define AT91_PIO_PORTS 3 +#elif defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G45) || \ + defined(CONFIG_AT91SAM9M10G45) +#define AT91_PIO_PORTS 5 +#elif defined(CONFIG_AT91RM9200) || defined(CONFIG_AT91CAP9) || \ + defined(CONFIG_AT91SAM9RL) +#define AT91_PIO_PORTS 4 +#else +#error "Unsupported cpu. Please update at91_pio.h" +#endif + +typedef union at91_pio { + struct { + at91_port_t pioa; + at91_port_t piob; + at91_port_t pioc; + #if (AT91_PIO_PORTS > 3) + at91_port_t piod; + #endif + #if (AT91_PIO_PORTS > 4) + at91_port_t pioe; + #endif + } ; + at91_port_t port[AT91_PIO_PORTS]; +} at91_pio_t; + +#endif + +#define AT91_PIN_TO_MASK(x) (1<<x) +#define AT91_PORTPIN(PORT, PIN) ((0x0##PORT - 9) * 32 + ((PIN) & 0x1F)) +#define AT91_PIO_PORTA 0x0 +#define AT91_PIO_PORTB 0x1 +#define AT91_PIO_PORTC 0x2 +#define AT91_PIO_PORTD 0x3 +#define AT91_PIO_PORTE 0x4 + +#ifdef CONFIG_AT91_LEGACY + #define PIO_PER 0x00 /* Enable Register */ #define PIO_PDR 0x04 /* Disable Register */ #define PIO_PSR 0x08 /* Status Register */ @@ -45,5 +141,6 @@ #define PIO_OWER 0xa0 /* Output Write Enable Register */ #define PIO_OWDR 0xa4 /* Output Write Disable Register */ #define PIO_OWSR 0xa8 /* Output Write Status Register */ +#endif #endif |