162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0+ 262306a36Sopenharmony_ci 362306a36Sopenharmony_ci#include <asm/machvec.h> 462306a36Sopenharmony_ci#include "8250.h" 562306a36Sopenharmony_ci 662306a36Sopenharmony_cibool alpha_jensen(void) 762306a36Sopenharmony_ci{ 862306a36Sopenharmony_ci return !strcmp(alpha_mv.vector_name, "Jensen"); 962306a36Sopenharmony_ci} 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_civoid alpha_jensen_set_mctrl(struct uart_port *port, unsigned int mctrl) 1262306a36Sopenharmony_ci{ 1362306a36Sopenharmony_ci /* 1462306a36Sopenharmony_ci * Digital did something really horribly wrong with the OUT1 and OUT2 1562306a36Sopenharmony_ci * lines on Alpha Jensen. The failure mode is that if either is 1662306a36Sopenharmony_ci * cleared, the machine locks up with endless interrupts. 1762306a36Sopenharmony_ci */ 1862306a36Sopenharmony_ci mctrl |= TIOCM_OUT1 | TIOCM_OUT2; 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci serial8250_do_set_mctrl(port, mctrl); 2162306a36Sopenharmony_ci} 22