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https://opencores.org/ocsvn/or1k/or1k/trunk
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| Rev 1715 |
Rev 1724 |
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Line 27... |
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#include "port.h"
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#include "port.h"
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#include "arch.h"
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#include "arch.h"
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#include "abstract.h"
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#include "abstract.h"
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#include "gpio.h"
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#include "gpio.h"
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#include "gpio_i.h"
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#include "sim-config.h"
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#include "sim-config.h"
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#include "pic.h"
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#include "pic.h"
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#include "vapi.h"
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#include "vapi.h"
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#include "debug.h"
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#include "debug.h"
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#include "sched.h"
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#include "sched.h"
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DEFAULT_DEBUG_CHANNEL(gpio);
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DEFAULT_DEBUG_CHANNEL(gpio);
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static void gpio_vapi_read( unsigned long id, unsigned long data, void *dat );
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static uint32_t gpio_read32( oraddr_t addr, void *dat );
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static void gpio_write32( oraddr_t addr, uint32_t value, void *dat );
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/*
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* The various VAPI IDs each GPIO device has
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*/
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enum { GPIO_VAPI_DATA = 0,
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GPIO_VAPI_AUX,
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GPIO_VAPI_CLOCK,
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GPIO_VAPI_RGPIO_OE,
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GPIO_VAPI_RGPIO_INTE,
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GPIO_VAPI_RGPIO_PTRIG,
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GPIO_VAPI_RGPIO_AUX,
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GPIO_VAPI_RGPIO_CTRL,
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GPIO_NUM_VAPI_IDS };
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/*
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* Implementatino of GPIO Code Registers and State
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*/
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struct gpio_device
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{
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/* Is peripheral enabled */
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int enabled;
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/* Base address in memory */
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oraddr_t baseaddr;
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/* Which IRQ to generate */
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int irq;
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/* Which GPIO is this? */
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unsigned gpio_number;
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/* VAPI IDs */
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unsigned long base_vapi_id;
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/* Auxiliary inputs */
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unsigned long auxiliary_inputs;
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/* Visible registers */
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struct
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{
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unsigned long in;
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unsigned long out;
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unsigned long oe;
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unsigned long inte;
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unsigned long ptrig;
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unsigned long aux;
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unsigned long ctrl;
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unsigned long ints;
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int external_clock;
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} curr, next;
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};
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static void gpio_vapi_read( unsigned long id, unsigned long data, void *dat );
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static void gpio_external_clock( unsigned long value, struct gpio_device *gpio );
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static void gpio_external_clock( unsigned long value, struct gpio_device *gpio );
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static void gpio_device_clock( struct gpio_device *gpio );
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static void gpio_device_clock( struct gpio_device *gpio );
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static void gpio_clock( void *dat );
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static void gpio_clock( void *dat );
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/* Initialize all parameters and state */
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/* Initialize all parameters and state */
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