/* gpio_i.h -- Definition of internal types and structures for GPIO code
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/* gpio_i.h -- Definition of internal types and structures for GPIO code
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Copyright (C) 2001 Erez Volk, erez@mailandnews.comopencores.org
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Copyright (C) 2001 Erez Volk, erez@mailandnews.comopencores.org
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This file is part of OpenRISC 1000 Architectural Simulator.
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This file is part of OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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*/
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#ifndef __OR1KSIM_PERIPHERAL_GPIO_I_H
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#ifndef __OR1KSIM_PERIPHERAL_GPIO_I_H
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#define __OR1KSIM_PERIPHERAL_GPIO_I_H
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#define __OR1KSIM_PERIPHERAL_GPIO_I_H
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#include "gpio.h"
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#include "gpio.h"
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#include "config.h"
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#include "config.h"
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/*
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/*
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* The various VAPI IDs each GPIO device has
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* The various VAPI IDs each GPIO device has
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*/
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*/
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enum { GPIO_VAPI_DATA = 0,
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enum { GPIO_VAPI_DATA = 0,
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GPIO_VAPI_AUX,
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GPIO_VAPI_AUX,
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GPIO_VAPI_CLOCK,
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GPIO_VAPI_CLOCK,
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GPIO_VAPI_RGPIO_OE,
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GPIO_VAPI_RGPIO_OE,
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GPIO_VAPI_RGPIO_INTE,
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GPIO_VAPI_RGPIO_INTE,
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GPIO_VAPI_RGPIO_PTRIG,
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GPIO_VAPI_RGPIO_PTRIG,
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GPIO_VAPI_RGPIO_AUX,
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GPIO_VAPI_RGPIO_AUX,
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GPIO_VAPI_RGPIO_CTRL,
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GPIO_VAPI_RGPIO_CTRL,
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GPIO_NUM_VAPI_IDS };
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GPIO_NUM_VAPI_IDS };
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/*
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/*
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* Implementatino of GPIO Code Registers and State
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* Implementatino of GPIO Code Registers and State
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*/
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*/
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struct gpio_device
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struct gpio_device
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{
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{
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/* Is peripheral enabled */
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/* Is peripheral enabled */
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int enabled;
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int enabled;
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/* Base address in memory */
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/* Base address in memory */
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oraddr_t baseaddr;
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oraddr_t baseaddr;
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/* Which IRQ to generate */
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/* Which IRQ to generate */
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int irq;
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int irq;
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/* Which GPIO is this? */
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/* Which GPIO is this? */
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unsigned gpio_number;
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unsigned gpio_number;
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/* VAPI IDs */
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/* VAPI IDs */
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unsigned long base_vapi_id;
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unsigned long base_vapi_id;
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/* Auxiliary inputs */
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/* Auxiliary inputs */
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unsigned long auxiliary_inputs;
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unsigned long auxiliary_inputs;
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/* Visible registers */
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/* Visible registers */
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struct
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struct
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{
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{
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unsigned long in;
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unsigned long in;
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unsigned long out;
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unsigned long out;
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unsigned long oe;
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unsigned long oe;
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unsigned long inte;
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unsigned long inte;
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unsigned long ptrig;
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unsigned long ptrig;
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unsigned long aux;
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unsigned long aux;
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unsigned long ctrl;
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unsigned long ctrl;
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unsigned long ints;
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unsigned long ints;
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int external_clock;
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int external_clock;
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} curr, next;
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} curr, next;
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};
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};
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#endif /* __OR1KSIM_PERIPHERAL_GPIO_I_H */
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#endif /* __OR1KSIM_PERIPHERAL_GPIO_I_H */
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