# Copyright 2023 Dual Tachyon
# https://github.com/DualTachyon
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

[UART]
$ = UART_Port_t

CTRL = 0x0000
> UARTEN, 0, 1
= DISABLE, 0
= ENABLE, 1

> RXEN, 1, 1
= DISABLE, 0
= ENABLE, 1

> TXEN, 2, 1
= DISABLE, 0
= ENABLE, 1

> RXDMAEN, 3, 1
= DISABLE, 0
= ENABLE, 1

> TXDMAEN, 4, 1
= DISABLE, 0
= ENABLE, 1

> NINEBIT, 5, 1
= DISABLE, 0
= ENABLE, 1

> PAREN, 6, 1
= DISABLE, 0
= ENABLE, 1

BAUD = 0x0004
TDR = 0x0008
RDR = 0x000C

IE = 0x0010
> TXDONE, 2, 1
= DISABLE, 0
= ENABLE, 1

> PARITYE, 3, 1
= DISABLE, 0
= ENABLE, 1

> STOPE, 4, 1
= DISABLE, 0
= ENABLE, 1

> RXTO, 5, 1
= DISABLE, 0
= ENABLE, 1

> RXFIFO, 6, 1
= DISABLE, 0
= ENABLE, 1

> TXFIFO, 7, 1
= DISABLE, 0
= ENABLE, 1

> RXFIFO_OVF, 8, 1
= DISABLE, 0
= ENABLE, 1

> ABRD_OVF, 9, 1
= DISABLE, 0
= ENABLE, 1

IF = 0x0014
> TXDONE, 2, 1
= NOT_SET, 0
= SET, 1

> PARITYE, 3, 1
= NOT_SET, 0
= SET, 1

> STOPE, 4, 1
= NOT_SET, 0
= SET, 1

> RXTO, 5, 1
= NOT_SET, 0
= SET, 1

> RXFIFO, 6, 1
= NOT_SET, 0
= SET, 1

> TXFIFO, 7, 1
= NOT_SET, 0
= SET, 1

> RXFIFO_OVF, 8, 1
= NOT_SET, 0
= SET, 1

> ABRD_OVF, 9, 1
= NOT_SET, 0
= SET, 1

> RXFIFO_EMPTY, 10, 1
= NOT_SET, 0
= SET, 1

> RXFIFO_FULL, 11, 1
= NOT_SET, 0
= SET, 1

> RXFIFO_HFULL, 12, 1
= NOT_SET, 0
= SET, 1

> TXFIFO_EMPTY, 13, 1
= NOT_SET, 0
= SET, 1

> TXFIFO_FULL, 14, 1
= NOT_SET, 0
= SET, 1

> TXFIFO_HFULL, 15, 1
= NOT_SET, 0
= SET, 1

> TXBUSY, 16, 1
= NOT_SET, 0
= SET, 1

> RF_LEVEL, 17, 3
= 0_8_BYTE, 0
= 1_BYTE, 1
= 2_BYTE, 2
= 3_BYTE, 3
= 4_BYTE, 4
= 5_BYTE, 5
= 6_BYTE, 6
= 7_BYTE, 7

> TF_LEVEL, 20, 3
= 0_8_BYTE, 0
= 1_BYTE, 1
= 2_BYTE, 2
= 3_BYTE, 3
= 4_BYTE, 4
= 5_BYTE, 5
= 6_BYTE, 6
= 7_BYTE, 7

FIFO = 0x0018
> RF_LEVEL, 0, 3
= 1_BYTE, 0
= 2_BYTE, 1
= 3_BYTE, 2
= 4_BYTE, 3
= 5_BYTE, 4
= 6_BYTE, 5
= 7_BYTE, 6
= 8_BYTE, 7

> TF_LEVEL, 3, 3
= 0_BYTE, 0
= 1_BYTE, 1
= 2_BYTE, 2
= 3_BYTE, 3
= 4_BYTE, 4
= 5_BYTE, 5
= 6_BYTE, 6
= 7_BYTE, 7

> RF_CLR, 6, 1
= DISABLE, 0
= ENABLE, 1

> TF_CLR, 7, 1
= DISABLE, 0
= ENABLE, 1

FC = 0x001C
> CTSEN, 0, 1
= DISABLE, 0
= ENABLE, 1

> RTSEN, 1, 1
= DISABLE, 0
= ENABLE, 1

> CTSPOL, 2, 1
= LOW, 0
= HIGH, 1

> RTSPOL, 3, 1
= LOW, 0
= HIGH, 1

> CTS_SIGNAL, 4, 1
= LOW, 0
= HIGH, 1

> RTS_SIGNAL, 5, 1
= LOW, 0
= HIGH, 1

RXTO = 0x0020

[UART0]
@ = 0x4006B000, 0x800, $UART

[UART1]
@ = 0x4006B800, 0x800, $UART

[UART2]
@ = 0x4006C000, 0x800, $UART

