RTEMS
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bsps
or1k
generic_or1k
include
bsp
generic_or1k.h
Go to the documentation of this file.
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/*
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* COPYRIGHT (c) 2014-2015 Hesham ALMatary <heshamelmatary@gmail.com>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE
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*/
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#ifndef LIBBSP_GENERIC_OR1K_H
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#define LIBBSP_GENERIC_OR1K_H
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#include <stdint.h>
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#define OR1K_REG(x) (*((volatile unsigned char *) (x)))
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#define OR1K_BIT(n) (1 << (n))
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#define OR1K_BSP_CLOCK_FREQ 50000000UL
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#define OR1K_BSP_UART_BASE 0x90000000
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#define OR1K_BSP_UART_REG_TX (OR1K_BSP_UART_BASE+0)
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#define OR1K_BSP_UART_REG_RX (OR1K_BSP_UART_BASE+0)
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#define OR1K_BSP_UART_REG_DEV_LATCH_LOW (OR1K_BSP_UART_BASE+0)
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#define OR1K_BSP_UART_REG_DEV_LATCH_HIGH (OR1K_BSP_UART_BASE+1)
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#define OR1K_BSP_UART_REG_INT_ENABLE (OR1K_BSP_UART_BASE+1)
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#define OR1K_BSP_UART_REG_INT_ID (OR1K_BSP_UART_BASE+2)
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#define OR1K_BSP_UART_REG_FIFO_CTRL (OR1K_BSP_UART_BASE+2)
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#define OR1K_BSP_UART_REG_LINE_CTRL (OR1K_BSP_UART_BASE+3)
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#define OR1K_BSP_UART_REG_MODEM_CTRL (OR1K_BSP_UART_BASE+4)
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#define OR1K_BSP_UART_REG_LINE_STATUS (OR1K_BSP_UART_BASE+5)
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#define OR1K_BSP_UART_REG_MODEM_STATUS (OR1K_BSP_UART_BASE+6)
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#define OR1K_BSP_UART_REG_SCRATCH (OR1K_BSP_UART_BASE+7)
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/* FIFO Control Register */
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#define OR1K_BSP_UART_REG_FIFO_CTRL_TRIGGER_1 (0x00)
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#define OR1K_BSP_UART_REG_FIFO_CTRL_ENABLE_FIFO (0x01)
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#define OR1K_BSP_UART_REG_FIFO_CTRL_CLEAR_RCVR (0x02)
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#define OR1K_BSP_UART_REG_FIFO_CTRL_CLEAR_XMIT (0x03)
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#define OR1K_BSP_UART_REG_FIFO_CTRL_DMA_SELECT (0x08)
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#define OR1K_BSP_UART_REG_FIFO_CTRL_TRIGGER_4 (0x40)
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#define OR1K_BSP_UART_REG_FIFO_CTRL_TRIGGER_8 (0x80)
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#define OR1K_BSP_UART_REG_FIFO_CTRL_TRIGGER_14 (0xC0)
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#define OR1K_BSP_UART_REG_FIFO_CTRL_TRIGGER_MASK (0xC0)
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/* Line Control Register */
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#define OR1K_BSP_UART_REG_LINE_CTRL_WLEN5 (0x00)
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#define OR1K_BSP_UART_REG_LINE_CTRL_WLEN6 (0x01)
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#define OR1K_BSP_UART_REG_LINE_CTRL_WLEN7 (0x02)
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#define OR1K_BSP_UART_REG_LINE_CTRL_WLEN8 (0x03)
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#define OR1K_BSP_UART_REG_LINE_CTRL_STOP (0x04)
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#define OR1K_BSP_UART_REG_LINE_CTRL_PARITY (0x08)
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#define OR1K_BSP_UART_REG_LINE_CTRL_EPAR (0x10)
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#define OR1K_BSP_UART_REG_LINE_CTRL_SPAR (0x20)
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#define OR1K_BSP_UART_REG_LINE_CTRL_SBC (0x40)
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#define OR1K_BSP_UART_REG_LINE_CTRL_DLAB (0x80)
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/* Line Status Register */
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#define OR1K_BSP_UART_REG_LINE_STATUS_DR (0x01)
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#define OR1K_BSP_UART_REG_LINE_STATUS_OE (0x02)
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#define OR1K_BSP_UART_REG_LINE_STATUS_PE (0x04)
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#define OR1K_BSP_UART_REG_LINE_STATUS_FE (0x08)
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#define OR1K_BSP_UART_REG_LINE_STATUS_BI (0x10)
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#define OR1K_BSP_UART_REG_LINE_STATUS_THRE (0x20)
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#define OR1K_BSP_UART_REG_LINE_STATUS_TEMT (0x40)
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/* Modem Control Register */
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#define OR1K_BSP_UART_REG_MODEM_CTRL_DTR (0x01)
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#define OR1K_BSP_UART_REG_MODEM_CTRL_RTS (0x02)
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#define OR1K_BSP_UART_REG_MODEM_CTRL_OUT1 (0x04)
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#define OR1K_BSP_UART_REG_MODEM_CTRL_OUT2 (0x08)
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#define OR1K_BSP_UART_REG_MODEM_CTRL_LOOP (0x10)
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/* Modem Status Register */
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#define OR1K_BSP_UART_REG_MODEM_STATUS_DCTS (0x01)
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#define OR1K_BSP_UART_REG_MODEM_STATUS_DDSR (0x02)
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#define OR1K_BSP_UART_REG_MODEM_STATUS_TERI (0x04)
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#define OR1K_BSP_UART_REG_MODEM_STATUS_DDCD (0x08)
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#define OR1K_BSP_UART_REG_MODEM_STATUS_CTS (0x10)
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#define OR1K_BSP_UART_REG_MODEM_STATUS_DSR (0x20)
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#define OR1K_BSP_UART_REG_MODEM_STATUS_RI (0x40)
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#define OR1K_BSP_UART_REG_MODEM_STATUS_DCD (0x80)
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#define OR1K_BSP_UART_REG_MODEM_STATUS_ANY_DELTA (0x0F)
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#endif
/* LIBBSP_GENERIC_OR1K_H */
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