/* * Copyright (C) 2014, Bin Meng * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include static void pnp_enter_conf_state(u16 dev) { u16 port = dev >> 8; outb(0x55, port); } static void pnp_exit_conf_state(u16 dev) { u16 port = dev >> 8; outb(0xaa, port); } void lpc47m_enable_serial(uint dev, uint iobase, uint irq) { pnp_enter_conf_state(dev); pnp_set_logical_device(dev); pnp_set_enable(dev, 0); pnp_set_iobase(dev, PNP_IDX_IO0, iobase); pnp_set_irq(dev, PNP_IDX_IRQ0, irq); pnp_set_enable(dev, 1); pnp_exit_conf_state(dev); } void lpc47m_enable_kbc(uint dev, uint irq0, uint irq1) { pnp_enter_conf_state(dev); pnp_set_logical_device(dev); pnp_set_enable(dev, 0); pnp_set_irq(dev, PNP_IDX_IRQ0, irq0); pnp_set_irq(dev, PNP_IDX_IRQ1, irq1); pnp_set_enable(dev, 1); pnp_exit_conf_state(dev); }