162306a36Sopenharmony_ci/* 262306a36Sopenharmony_ci * Derived from the i386 version. 362306a36Sopenharmony_ci */ 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci/* 662306a36Sopenharmony_ci * This assumes you have a 1.8432 MHz clock for your UART. 762306a36Sopenharmony_ci * 862306a36Sopenharmony_ci * It'd be nice if someone built a serial card with a 24.576 MHz 962306a36Sopenharmony_ci * clock, since the 16550A is capable of handling a top speed of 1.5 1062306a36Sopenharmony_ci * megabits/second; but this requires the faster clock. 1162306a36Sopenharmony_ci */ 1262306a36Sopenharmony_ci#define BASE_BAUD ( 1843200 / 16 ) 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci/* 1562306a36Sopenharmony_ci * All legacy serial ports should be enumerated via ACPI namespace, so 1662306a36Sopenharmony_ci * we need not list them here. 1762306a36Sopenharmony_ci */ 18