1 // SPDX-License-Identifier: GPL-2.0
7  * by Kars de Jong <jongk@linux-m68k.org>, May 2004.
63 /* Offset to UART registers from base of DCA */
78  * Where we find the 8250-like APCI ports, and how far apart they are.
139 		/* Enable board-interrupts */  in hp300_setup_serial_console()
160 	struct uart_8250_port uart;  in hpdca_init_one()  local
164 	if (hp300_uart_scode == d->scode) {  in hpdca_init_one()
169 	memset(&uart, 0, sizeof(uart));  in hpdca_init_one()
172 	uart.port.iotype = UPIO_MEM;  in hpdca_init_one()
173 	uart.port.flags = UPF_SKIP_TEST | UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF;  in hpdca_init_one()
174 	uart.port.irq = d->ipl;  in hpdca_init_one()
175 	uart.port.uartclk = HPDCA_BAUD_BASE * 16;  in hpdca_init_one()
176 	uart.port.mapbase = (d->resource.start + UART_OFFSET);  in hpdca_init_one()
177 	uart.port.membase = (char *)(uart.port.mapbase + DIO_VIRADDRBASE);  in hpdca_init_one()
178 	uart.port.regshift = 1;  in hpdca_init_one()
179 	uart.port.dev = &d->dev;  in hpdca_init_one()
180 	line = serial8250_register_8250_port(&uart);  in hpdca_init_one()
183 		dev_notice(&d->dev,  in hpdca_init_one()
185 			  d->scode, uart.port.irq);  in hpdca_init_one()
186 		return -ENOMEM;  in hpdca_init_one()
189 	/* Enable board-interrupts */  in hpdca_init_one()
190 	out_8(d->resource.start + DIO_VIRADDRBASE + DCA_IC, DCA_IC_IE);  in hpdca_init_one()
194 	out_8(d->resource.start + DIO_VIRADDRBASE + DCA_ID, 0xff);  in hpdca_init_one()
209 	struct uart_8250_port uart;  in hp300_8250_init()  local
214 		return -ENODEV;  in hp300_8250_init()
218 		return -ENODEV;  in hp300_8250_init()
226 			return -ENODEV;  in hp300_8250_init()
245 			return -ENOMEM;  in hp300_8250_init()
247 		memset(&uart, 0, sizeof(uart));  in hp300_8250_init()
252 		uart.port.iotype = UPIO_MEM;  in hp300_8250_init()
253 		uart.port.flags = UPF_SKIP_TEST | UPF_SHARE_IRQ  in hp300_8250_init()
255 		/* XXX - no interrupt support yet */  in hp300_8250_init()
256 		uart.port.irq = 0;  in hp300_8250_init()
257 		uart.port.uartclk = HPAPCI_BAUD_BASE * 16;  in hp300_8250_init()
258 		uart.port.mapbase = base;  in hp300_8250_init()
259 		uart.port.membase = (char *)(base + DIO_VIRADDRBASE);  in hp300_8250_init()
260 		uart.port.regshift = 2;  in hp300_8250_init()
262 		line = serial8250_register_8250_port(&uart);  in hp300_8250_init()
265 			dev_notice(uart.port.dev,  in hp300_8250_init()
267 				   i, uart.port.irq);  in hp300_8250_init()
272 		port->line = line;  in hp300_8250_init()
273 		port->next = hp300_ports;  in hp300_8250_init()
282 		return -ENODEV;  in hp300_8250_init()
293 	if (d->resource.start) {  in hpdca_remove_one()
294 		/* Disable board-interrupts */  in hpdca_remove_one()
295 		out_8(d->resource.start + DIO_VIRADDRBASE + DCA_IC, 0);  in hpdca_remove_one()
307 		serial8250_unregister_port(port->line);  in hp300_8250_exit()
309 		port = port->next;  in hp300_8250_exit()
323 MODULE_AUTHOR("Kars de Jong <jongk@linux-m68k.org>");