Port Driver — 16c95x Serial

// Define the 16C95X serial port registers #define RBR 0x00 #define THR 0x00 #define IER 0x01 #define IIR 0x02

// Initialize the serial port static int __init serial_init(void) { // Map the serial port's I/O address io_base = ioremap(SERIAL_PORT, 0x10); if (!io_base) { return -ENOMEM; } 16c95x serial port driver

#include <linux/module.h> #include <linux/io.h> // Define the 16C95X serial port registers #define

// Define the serial port's I/O address #define SERIAL_PORT 0x3F8 if (!io_base) { return -ENOMEM

module_init(serial_init); Note that this example is highly simplified and not meant for production use.