diff options
Diffstat (limited to 'include/drivers/uart.h')
| -rw-r--r-- | include/drivers/uart.h | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/include/drivers/uart.h b/include/drivers/uart.h deleted file mode 100644 index a56624c..0000000 --- a/include/drivers/uart.h +++ /dev/null @@ -1,38 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2026 Richard Qin - */ - -#pragma once -#include "common/types.h" -#include "drivers/uart_color.h" -#include "kernel/fdt.h" - -// UART register offsets (NS16550A) -#define RHR 0 // Receive Holding Register (read mode) -#define THR 0 // Transmit Holding Register (write mode) -#define IER 1 // Interrupt Enable Register -#define FCR 2 // FIFO Control Register -#define ISR 2 // Interrupt Status Register -#define LCR 3 // Line Control Register -#define LSR 5 // Line Status Register - -#define LSR_RX_READY 0x01 // input is waiting to be read from RHR -#define LSR_TX_IDLE 0x20 // THR can accept another character to send - -#define UART_RX_BUF_SIZE 128 - -// UART base address from FDT (use inline function to avoid macro issues) -static inline uint64 uart_base() { return g_devices.uart.base_addr; } - -namespace Drivers -{ - void uart_init(); - void uart_intr(); - int console_read(uint64 target, int len); - - void uart_putc(char c); - void uart_puts(const char *s); - void uart_put_int(int value); - void print_hex(uint64 value); -}
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