/* SPDX-License-Identifier: GPL-2.0-only */ #include <console/console.h> #include <device/device.h> #include <device/pnp.h> #include <pc80/keyboard.h> #include <ec/acpi/ec.h> #include <delay.h> #include "chip.h" static void it8518_init(struct device *dev) { const struct ec_roda_it8518_config *const conf = dev->chip_info; if (!dev->enabled) return; printk(BIOS_DEBUG, "Roda IT8518: Initializing keyboard.\n"); pc_keyboard_init(NO_AUX_DEVICE); if (conf && conf->cpuhot_limit) { /* The EC may take very long for the first command on a cold boot (~180ms witnessed). Since we need an incre- dibly long timeout, we do this EC RAM write manually. */ int timeout = 50000; /* 50,000 * 10us = 500ms */ send_ec_command(0x81); while (ec_status() & EC_IBF && --timeout) udelay(10); send_ec_data(0xb2); send_ec_data(conf->cpuhot_limit); } } static struct device_operations ops = { .init = it8518_init, .read_resources = noop_read_resources, .set_resources = noop_set_resources, }; static struct pnp_info pnp_dev_info[] = { { NULL, 0, 0, 0, } }; static void enable_dev(struct device *dev) { pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); } struct chip_operations ec_roda_it8518_ops = { .name = "Roda IT8518 EC", .enable_dev = enable_dev };