1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Derived from the i386 version. 3*4882a593Smuzhiyun */ 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun /* 6*4882a593Smuzhiyun * This assumes you have a 1.8432 MHz clock for your UART. 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * It'd be nice if someone built a serial card with a 24.576 MHz 9*4882a593Smuzhiyun * clock, since the 16550A is capable of handling a top speed of 1.5 10*4882a593Smuzhiyun * megabits/second; but this requires the faster clock. 11*4882a593Smuzhiyun */ 12*4882a593Smuzhiyun #define BASE_BAUD ( 1843200 / 16 ) 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* 15*4882a593Smuzhiyun * All legacy serial ports should be enumerated via ACPI namespace, so 16*4882a593Smuzhiyun * we need not list them here. 17*4882a593Smuzhiyun */ 18