upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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159 lines
6.0 KiB
159 lines
6.0 KiB
/*
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* [origin: Linux kernel include/asm-arm/arch-at91/at91_pio.h]
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*
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* Copyright (C) 2005 Ivan Kokshaysky
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* Copyright (C) SAN People
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* Copyright (C) 2009 Jens Scharsig (js_at_ng@scharsoft.de)
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*
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* Parallel I/O Controller (PIO) - System peripherals registers.
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* Based on AT91RM9200 datasheet revision E.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef AT91_PIO_H
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#define AT91_PIO_H
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#define AT91_ASM_PIO_RANGE 0x200
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#define AT91_ASM_PIOC_ASR \
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(ATMEL_BASE_PIO + AT91_PIO_PORTC * AT91_ASM_PIO_RANGE + 0x70)
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#define AT91_ASM_PIOC_BSR \
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(ATMEL_BASE_PIO + AT91_PIO_PORTC * AT91_ASM_PIO_RANGE + 0x74)
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#define AT91_ASM_PIOC_PDR \
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(ATMEL_BASE_PIO + AT91_PIO_PORTC * AT91_ASM_PIO_RANGE + 0x04)
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#define AT91_ASM_PIOC_PUDR \
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(ATMEL_BASE_PIO + AT91_PIO_PORTC * AT91_ASM_PIO_RANGE + 0x60)
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#define AT91_ASM_PIOD_PDR \
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(ATMEL_BASE_PIO + AT91_PIO_PORTD * AT91_ASM_PIO_RANGE + 0x04)
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#define AT91_ASM_PIOD_PUDR \
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(ATMEL_BASE_PIO + AT91_PIO_PORTD * AT91_ASM_PIO_RANGE + 0x60)
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#define AT91_ASM_PIOD_ASR \
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(ATMEL_BASE_PIO + AT91_PIO_PORTD * AT91_ASM_PIO_RANGE + 0x70)
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#define PIO_SCDR_DIV 0x3fff /* Slow Clock Divider Selection for Debouncing Mask */
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#ifndef __ASSEMBLY__
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typedef struct at91_port {
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u32 per; /* 0x00 PIO Enable Register */
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u32 pdr; /* 0x04 PIO Disable Register */
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u32 psr; /* 0x08 PIO Status Register */
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u32 reserved0;
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u32 oer; /* 0x10 Output Enable Register */
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u32 odr; /* 0x14 Output Disable Registerr */
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u32 osr; /* 0x18 Output Status Register */
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u32 reserved1;
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u32 ifer; /* 0x20 Input Filter Enable Register */
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u32 ifdr; /* 0x24 Input Filter Disable Register */
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u32 ifsr; /* 0x28 Input Filter Status Register */
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u32 reserved2;
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u32 sodr; /* 0x30 Set Output Data Register */
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u32 codr; /* 0x34 Clear Output Data Register */
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u32 odsr; /* 0x38 Output Data Status Register */
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u32 pdsr; /* 0x3C Pin Data Status Register */
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u32 ier; /* 0x40 Interrupt Enable Register */
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u32 idr; /* 0x44 Interrupt Disable Register */
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u32 imr; /* 0x48 Interrupt Mask Register */
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u32 isr; /* 0x4C Interrupt Status Register */
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u32 mder; /* 0x50 Multi-driver Enable Register */
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u32 mddr; /* 0x54 Multi-driver Disable Register */
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u32 mdsr; /* 0x58 Multi-driver Status Register */
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u32 reserved3;
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u32 pudr; /* 0x60 Pull-up Disable Register */
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u32 puer; /* 0x64 Pull-up Enable Register */
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u32 pusr; /* 0x68 Pad Pull-up Status Register */
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u32 reserved4;
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union {
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struct {
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u32 abcdsr1; /* 0x70 Peripheral ABCD Select Register 1 */
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u32 abcdsr2; /* 0x74 Peripheral ABCD Select Register 2 */
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u32 reserved5[2];
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u32 ifscdr; /* 0x80 Input Filter SCLK Disable Register */
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u32 ifscer; /* 0x84 Input Filter SCLK Enable Register */
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u32 ifscsr; /* 0x88 Input Filter SCLK Status Register */
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u32 scdr; /* 0x8C SCLK Divider Debouncing Register */
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u32 ppddr; /* 0x90 Pad Pull-down Disable Register */
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u32 ppder; /* 0x94 Pad Pull-down Enable Register */
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u32 ppdsr; /* 0x98 Pad Pull-down Status Register */
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u32 reserved6; /* */
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} pio3;
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struct {
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u32 asr; /* 0x70 Select A Register */
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u32 bsr; /* 0x74 Select B Register */
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u32 absr; /* 0x78 AB Select Status Register */
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u32 reserved5[9]; /* */
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} pio2;
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} mux;
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u32 ower; /* 0xA0 Output Write Enable Register */
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u32 owdr; /* 0xA4 Output Write Disable Register */
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u32 owsr; /* OxA8 Output Write Status Register */
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u32 reserved7; /* */
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u32 aimer; /* 0xB0 Additional INT Modes Enable Register */
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u32 aimdr; /* 0xB4 Additional INT Modes Disable Register */
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u32 aimmr; /* 0xB8 Additional INT Modes Mask Register */
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u32 reserved8; /* */
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u32 esr; /* 0xC0 Edge Select Register */
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u32 lsr; /* 0xC4 Level Select Register */
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u32 elsr; /* 0xC8 Edge/Level Status Register */
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u32 reserved9; /* 0xCC */
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u32 fellsr; /* 0xD0 Falling /Low Level Select Register */
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u32 rehlsr; /* 0xD4 Rising /High Level Select Register */
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u32 frlhsr; /* 0xD8 Fall/Rise - Low/High Status Register */
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u32 reserved10; /* */
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u32 locksr; /* 0xE0 Lock Status */
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u32 wpmr; /* 0xE4 Write Protect Mode Register */
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u32 wpsr; /* 0xE8 Write Protect Status Register */
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u32 reserved11[5]; /* */
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u32 schmitt; /* 0x100 Schmitt Trigger Register */
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u32 reserved12[4]; /* 0x104 ~ 0x110 */
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u32 driver1; /* 0x114 I/O Driver Register1(AT91SAM9x5's driver1) */
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u32 driver12; /* 0x118 I/O Driver Register12(AT91SAM9x5's driver2 or SAMA5D3x's driver1 ) */
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u32 driver2; /* 0x11C I/O Driver Register2(SAMA5D3x's driver2) */
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u32 reserved13[12]; /* 0x120 ~ 0x14C */
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} at91_port_t;
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typedef union at91_pio {
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struct {
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at91_port_t pioa;
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at91_port_t piob;
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at91_port_t pioc;
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at91_port_t piod; /* not present in all hardware */
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at91_port_t pioe;/* not present in all hardware */
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};
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at91_port_t port[5];
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} at91_pio_t;
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#ifdef CONFIG_AT91_GPIO
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int at91_set_a_periph(unsigned port, unsigned pin, int use_pullup);
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int at91_set_b_periph(unsigned port, unsigned pin, int use_pullup);
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int at91_set_pio_input(unsigned port, unsigned pin, int use_pullup);
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int at91_set_pio_multi_drive(unsigned port, unsigned pin, int is_on);
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int at91_set_pio_output(unsigned port, unsigned pin, int value);
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int at91_set_pio_periph(unsigned port, unsigned pin, int use_pullup);
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int at91_set_pio_pullup(unsigned port, unsigned pin, int use_pullup);
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int at91_set_pio_deglitch(unsigned port, unsigned pin, int is_on);
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int at91_set_pio_value(unsigned port, unsigned pin, int value);
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int at91_get_pio_value(unsigned port, unsigned pin);
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int at91_pio3_set_a_periph(unsigned port, unsigned pin, int use_pullup);
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int at91_pio3_set_b_periph(unsigned port, unsigned pin, int use_pullup);
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int at91_pio3_set_c_periph(unsigned port, unsigned pin, int use_pullup);
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int at91_pio3_set_d_periph(unsigned port, unsigned pin, int use_pullup);
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int at91_pio3_set_pio_debounce(unsigned port, unsigned pin, int is_on, int div);
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int at91_pio3_set_pio_pullup(unsigned port, unsigned pin, int use_pullup);
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int at91_pio3_set_pio_pulldown(unsigned port, unsigned pin, int is_on);
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int at91_pio3_set_pio_disable_schmitt_trig(unsigned port, unsigned pin);
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#endif
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#endif
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#define AT91_PIO_PORTA 0x0
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#define AT91_PIO_PORTB 0x1
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#define AT91_PIO_PORTC 0x2
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#define AT91_PIO_PORTD 0x3
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#define AT91_PIO_PORTE 0x4
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#endif
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