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| author | Richard Qin <richard.qin.x@gmail.com> | 2026-04-14 22:47:15 +0800 |
|---|---|---|
| committer | Richard Qin <richard.qin.x@gmail.com> | 2026-04-14 22:47:15 +0800 |
| commit | ac9741e12222e72bad3414bc6f588e70a3d130cc (patch) | |
| tree | 6aace9f63a2ea54c7c3fd1e49e98ff81b638296f /include/drivers/uart.h | |
| parent | 1e862099a13266da57ff7c6de11c1a11c42a8112 (diff) | |
| download | lume-ac9741e12222e72bad3414bc6f588e70a3d130cc.tar.gz lume-ac9741e12222e72bad3414bc6f588e70a3d130cc.tar.xz | |
feat: implement FDT-based memory discovery and add comprehensive debug logging to exec syscalls
Diffstat (limited to 'include/drivers/uart.h')
| -rw-r--r-- | include/drivers/uart.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/drivers/uart.h b/include/drivers/uart.h index 1cdc938..a56624c 100644 --- a/include/drivers/uart.h +++ b/include/drivers/uart.h @@ -1,13 +1,14 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * Copyright (C) 2026 Richard QIn + * Copyright (C) 2026 Richard Qin */ #pragma once #include "common/types.h" #include "drivers/uart_color.h" +#include "kernel/fdt.h" -#define UART0 0x10000000L +// 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 @@ -21,6 +22,9 @@ #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(); |