1*b4a29b94SLukas Wunner // SPDX-License-Identifier: GPL-2.0+ 2*b4a29b94SLukas Wunner 3*b4a29b94SLukas Wunner #include <asm/machvec.h> 4*b4a29b94SLukas Wunner #include "8250.h" 5*b4a29b94SLukas Wunner alpha_jensen(void)6*b4a29b94SLukas Wunnerbool alpha_jensen(void) 7*b4a29b94SLukas Wunner { 8*b4a29b94SLukas Wunner return !strcmp(alpha_mv.vector_name, "Jensen"); 9*b4a29b94SLukas Wunner } 10*b4a29b94SLukas Wunner alpha_jensen_set_mctrl(struct uart_port * port,unsigned int mctrl)11*b4a29b94SLukas Wunnervoid alpha_jensen_set_mctrl(struct uart_port *port, unsigned int mctrl) 12*b4a29b94SLukas Wunner { 13*b4a29b94SLukas Wunner /* 14*b4a29b94SLukas Wunner * Digital did something really horribly wrong with the OUT1 and OUT2 15*b4a29b94SLukas Wunner * lines on Alpha Jensen. The failure mode is that if either is 16*b4a29b94SLukas Wunner * cleared, the machine locks up with endless interrupts. 17*b4a29b94SLukas Wunner */ 18*b4a29b94SLukas Wunner mctrl |= TIOCM_OUT1 | TIOCM_OUT2; 19*b4a29b94SLukas Wunner 20*b4a29b94SLukas Wunner serial8250_do_set_mctrl(port, mctrl); 21*b4a29b94SLukas Wunner } 22