diff options
Diffstat (limited to 'src/superio/winbond/w83667hg-a/superio.c')
| -rw-r--r-- | src/superio/winbond/w83667hg-a/superio.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/superio/winbond/w83667hg-a/superio.c b/src/superio/winbond/w83667hg-a/superio.c new file mode 100644 index 0000000000..96eddd7310 --- /dev/null +++ b/src/superio/winbond/w83667hg-a/superio.c @@ -0,0 +1,110 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Felix Held <felix-coreboot@felixheld.de> + * Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com> + * Copyright (C) 2015 - 2016 Raptor Engineering + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <console/console.h> +#include <arch/io.h> +#include <device/device.h> +#include <device/pnp.h> +#include <pc80/keyboard.h> +#include <pc80/mc146818rtc.h> +#include <stdlib.h> +#include <superio/conf_mode.h> + +#include "w83667hg-a.h" + +#define MAINBOARD_POWER_OFF 0 +#define MAINBOARD_POWER_ON 1 + +#ifndef CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL +#define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON +#endif + +static void w83667hg_a_init(struct device *dev) +{ + uint8_t byte; + uint8_t power_status; + + if (!dev->enabled) + return; + + switch(dev->path.pnp.device) { + /* TODO: Might potentially need code for HWM or FDC etc. */ + case W83667HG_A_KBC: + pc_keyboard_init(); + break; + case W83667HG_A_ACPI: + /* Set power state after power fail */ + power_status = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL; + get_option(&power_status, "power_on_after_fail"); + pnp_enter_conf_mode_8787(dev); + pnp_set_logical_device(dev); + byte = pnp_read_config(dev, 0xe4); + byte &= ~0x60; + if (power_status == 1) + byte |= (0x1 << 5); /* Force power on */ + else if (power_status == 2) + byte |= (0x2 << 5); /* Use last power state */ + pnp_write_config(dev, 0xe4, byte); + pnp_exit_conf_mode_aa(dev); + printk(BIOS_INFO, "set power %s after power fail\n", power_status ? "on" : "off"); + break; + } +} + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = pnp_set_resources, + .enable_resources = pnp_enable_resources, + .enable = pnp_alt_enable, + .init = w83667hg_a_init, + .ops_pnp_mode = &pnp_conf_mode_8787_aa, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, W83667HG_A_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x0ff8, 0}, }, + { &ops, W83667HG_A_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x0ff8, 0}, }, + { &ops, W83667HG_A_SP1, PNP_IO0 | PNP_IRQ0, {0x0ff8, 0}, }, + { &ops, W83667HG_A_SP2, PNP_IO0 | PNP_IRQ0, {0x0ff8, 0}, }, + { &ops, W83667HG_A_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, {0x0fff, 0}, {0x0fff, 4}, }, + { &ops, W83667HG_A_SPI, PNP_IO1, {0x0ff8, 0}}, + { &ops, W83667HG_A_WDT1}, + { &ops, W83667HG_A_ACPI}, + { &ops, W83667HG_A_HWM_TSI, PNP_IO0 | PNP_IRQ0, {0x0ffe, 0}, }, + { &ops, W83667HG_A_PECI}, + { &ops, W83667HG_A_VID_BUSSEL}, + { &ops, W83667HG_A_GPIO_PP_OD}, + { &ops, W83667HG_A_GPIO1}, + { &ops, W83667HG_A_GPIO2}, + { &ops, W83667HG_A_GPIO3}, + { &ops, W83667HG_A_GPIO4}, + { &ops, W83667HG_A_GPIO5}, + { &ops, W83667HG_A_GPIO6}, + { &ops, W83667HG_A_GPIO7}, + { &ops, W83667HG_A_GPIO8}, + { &ops, W83667HG_A_GPIO9}, +}; + +static void enable_dev(struct device *dev) +{ + pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); +} + +struct chip_operations superio_winbond_w83667hg_a_ops = { + CHIP_NAME("WINBOND W83667HG-A Super I/O") + .enable_dev = enable_dev, +}; |