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/*
Nios-sim - one simple NIOSII simulator only for personal interest and fun.
Copyright (C) 2010 chysun2000@gmail.com
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.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __JTAG_UART_H__
#define __JTAG_UART_H__
#include "io_device.h"
#define JTAG_UART_REG_COUNT (2)
#define JTAG_UART_CTRL_REG (0)
#define JTAG_UART_DATA_REG (1)
#define JTAG_UART_BASE_ADDR (0x806810F0)
#define JTAG_IRQ_MASK (1 << 1)
#define JTAG_UART_FIFO_SIZE (1)
struct fifo {
uint8_t data;
uint8_t is_write;
};
struct jtag_uart_priv{
struct io_reg regs[JTAG_UART_REG_COUNT];
struct fifo tx_fifo;
};
#define ALTERA_JTAGUART_DATA_DATA_MSK (0x000000FF)
#define ALTERA_JTAGUART_DATA_RVALID_MSK (0x00008000)
#define ALTERA_JTAGUART_DATA_RAVAIL_MSK (0xFFFF0000)
#define ALTERA_JTAGUART_DATA_RAVAIL_OFST (16)
#define ALTERA_JTAGUART_CONTROL_RE_MSK (0x00000001)
#define ALTERA_JTAGUART_CONTROL_WE_MSK (0x00000002)
#define ALTERA_JTAGUART_CONTROL_RI_MSK (0x00000100)
#define ALTERA_JTAGUART_CONTROL_RI_OFST (8)
#define ALTERA_JTAGUART_CONTROL_WI_MSK (0x00000200)
#define ALTERA_JTAGUART_CONTROL_AC_MSK (0x00000400)
#define ALTERA_JTAGUART_CONTROL_WSPACE_MSK (0xFFFF0000)
#define ALTERA_JTAGUART_CONTROL_WSPACE_OFST (16)
extern struct io_device jtag_uart_io_device;
#endif /* __JTAG_UART_H__*/
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