1 // SPDX-License-Identifier: GPL-2.0-only
5  * (c) Copyright 2002, 2003, 2004 Hewlett-Packard Development Company, L.P.
20 setup_serial_console(struct pcdp_uart *uart)  in setup_serial_console()  argument
27 	mmio = (uart->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY);  in setup_serial_console()
29 		mmio ? "mmio" : "io", uart->addr.address);  in setup_serial_console()
30 	if (uart->baud) {  in setup_serial_console()
31 		p += sprintf(p, ",%llu", uart->baud);  in setup_serial_console()
32 		if (uart->bits) {  in setup_serial_console()
33 			switch (uart->parity) {  in setup_serial_console()
38 			p += sprintf(p, "%c%d", parity, uart->bits);  in setup_serial_console()
42 	add_preferred_console("uart", 8250, &options[9]);  in setup_serial_console()
45 	return -ENODEV;  in setup_serial_console()
72 		return -ENODEV;  in setup_vga_console()
79 	return -ENODEV;  in setup_vga_console()
89 	struct pcdp_uart *uart;  in efi_setup_pcdp_console()  local
92 	int rc = -ENODEV;  in efi_setup_pcdp_console()
95 		return -ENODEV;  in efi_setup_pcdp_console()
98 	printk(KERN_INFO "PCDP: v%d at 0x%lx\n", pcdp->rev, hcdp_phys);  in efi_setup_pcdp_console()
101 		if (pcdp->rev < 3)  in efi_setup_pcdp_console()
108 	if (pcdp->rev < 3 && efi_uart_console_only())  in efi_setup_pcdp_console()
111 	for (i = 0, uart = pcdp->uart; i < pcdp->num_uarts; i++, uart++) {  in efi_setup_pcdp_console()
112 		if (uart->flags & PCDP_UART_PRIMARY_CONSOLE || serial) {  in efi_setup_pcdp_console()
113 			if (uart->type == PCDP_CONSOLE_UART) {  in efi_setup_pcdp_console()
114 				rc = setup_serial_console(uart);  in efi_setup_pcdp_console()
120 	end = (struct pcdp_device *) ((u8 *) pcdp + pcdp->length);  in efi_setup_pcdp_console()
121 	for (dev = (struct pcdp_device *) (pcdp->uart + pcdp->num_uarts);  in efi_setup_pcdp_console()
123 	     dev = (struct pcdp_device *) ((u8 *) dev + dev->length)) {  in efi_setup_pcdp_console()
124 		if (dev->flags & PCDP_PRIMARY_CONSOLE) {  in efi_setup_pcdp_console()
125 			if (dev->type == PCDP_CONSOLE_VGA) {  in efi_setup_pcdp_console()