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/***************************************************************************
* Copyright (c) 2026 Eclipse ThreadX contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* AI Disclosure: This file was largely AI-generated by Claude Code (Opus 5.5).
* The AI-generated portions may be considered public domain (CC0-1.0)
* and not subject to the project's licence. The human contributor has
* reviewed and verified that the code is correct.
*
* SPDX-License-Identifier: MIT and CC0-1.0
**************************************************************************/
#ifndef RISCV_UART_H
#define RISCV_UART_H
/* Erbium UART0: the original Shakti UART integration, with 32-bit registers
at eight-byte intervals. It is PLIC source 3. */
#define UART0 0x02004000UL
#define UART0_IRQ 3
/* The UART input clock and the console rate. The defaults match the
public et-platform simulator; define these on the command line when the
boot firmware programs a different peripheral clock. */
#ifndef ERBIUM_UART_CLOCK_HZ
#define ERBIUM_UART_CLOCK_HZ 400000000UL
#endif
#ifndef ERBIUM_UART_BAUD
#define ERBIUM_UART_BAUD 115200UL
#endif
#define puts uart_puts
int uart_init(void);
int uart_putc(int ch);
int uart_puts(const char *str);
#endif /* RISCV_UART_H */
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