diff options
Diffstat (limited to 'arch/arm/include/asm/arch-at91/at91_pio.h')
| -rw-r--r-- | arch/arm/include/asm/arch-at91/at91_pio.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-at91/at91_pio.h b/arch/arm/include/asm/arch-at91/at91_pio.h new file mode 100644 index 0000000000..f7915a3322 --- /dev/null +++ b/arch/arm/include/asm/arch-at91/at91_pio.h @@ -0,0 +1,160 @@ +/* + * [origin: Linux kernel include/asm-arm/arch-at91/at91_pio.h] + * + * 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. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef AT91_PIO_H +#define AT91_PIO_H + + +#define AT91_ASM_PIO_RANGE 0x200 +#define AT91_ASM_PIOC_ASR \ + (AT91_PIO_BASE + AT91_PIO_PORTC * AT91_ASM_PIO_RANGE + 0x70) +#define AT91_ASM_PIOC_BSR \ + (AT91_PIO_BASE + AT91_PIO_PORTC * AT91_ASM_PIO_RANGE + 0x74) +#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; + +#ifdef CONFIG_AT91_GPIO +int at91_set_a_periph(unsigned port, unsigned pin, int use_pullup); +int at91_set_b_periph(unsigned port, unsigned pin, int use_pullup); +int at91_set_pio_input(unsigned port, unsigned pin, int use_pullup); +int at91_set_pio_multi_drive(unsigned port, unsigned pin, int is_on); +int at91_set_pio_output(unsigned port, unsigned pin, int value); +int at91_set_pio_periph(unsigned port, unsigned pin, int use_pullup); +int at91_set_pio_pullup(unsigned port, unsigned pin, int use_pullup); +int at91_set_pio_deglitch(unsigned port, unsigned pin, int is_on); +int at91_set_pio_value(unsigned port, unsigned pin, int value); +int at91_get_pio_value(unsigned port, unsigned pin); +#endif +#endif + +#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 */ +#define PIO_OER 0x10 /* Output Enable Register */ +#define PIO_ODR 0x14 /* Output Disable Register */ +#define PIO_OSR 0x18 /* Output Status Register */ +#define PIO_IFER 0x20 /* Glitch Input Filter Enable */ +#define PIO_IFDR 0x24 /* Glitch Input Filter Disable */ +#define PIO_IFSR 0x28 /* Glitch Input Filter Status */ +#define PIO_SODR 0x30 /* Set Output Data Register */ +#define PIO_CODR 0x34 /* Clear Output Data Register */ +#define PIO_ODSR 0x38 /* Output Data Status Register */ +#define PIO_PDSR 0x3c /* Pin Data Status Register */ +#define PIO_IER 0x40 /* Interrupt Enable Register */ +#define PIO_IDR 0x44 /* Interrupt Disable Register */ +#define PIO_IMR 0x48 /* Interrupt Mask Register */ +#define PIO_ISR 0x4c /* Interrupt Status Register */ +#define PIO_MDER 0x50 /* Multi-driver Enable Register */ +#define PIO_MDDR 0x54 /* Multi-driver Disable Register */ +#define PIO_MDSR 0x58 /* Multi-driver Status Register */ +#define PIO_PUDR 0x60 /* Pull-up Disable Register */ +#define PIO_PUER 0x64 /* Pull-up Enable Register */ +#define PIO_PUSR 0x68 /* Pull-up Status Register */ +#define PIO_ASR 0x70 /* Peripheral A Select Register */ +#define PIO_BSR 0x74 /* Peripheral B Select Register */ +#define PIO_ABSR 0x78 /* AB Status Register */ +#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 |