diff options
Diffstat (limited to 'src/superio/fintek/f81216h/superio.c')
-rw-r--r-- | src/superio/fintek/f81216h/superio.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/superio/fintek/f81216h/superio.c b/src/superio/fintek/f81216h/superio.c new file mode 100644 index 0000000000..eed165a655 --- /dev/null +++ b/src/superio/fintek/f81216h/superio.c @@ -0,0 +1,119 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com> + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <arch/io.h> +#include <device/device.h> +#include <device/pnp.h> +#include <superio/conf_mode.h> +#include <console/console.h> +#include <stdlib.h> + +#include "chip.h" +#include "f81216h.h" + + +static void pnp_enter_ext_func_mode(struct device *dev) +{ + const struct superio_fintek_f81216h_config *conf = dev->chip_info; + + u8 key; + + /** + * KEY1 KEY0 Enter key + * 0 0 0x77 (default) + * 0 1 0xA0 + * 1 0 0x87 + * 1 1 0x67 + * + * See page 17 of data sheet. + */ + switch(conf->conf_key_mode) { + case 0: + key = 0x77; /* (default) */ + break; + case 1: + key = 0xa0; + break; + case 2: + key = 0x87; + break; + case 3: + key = 0x67; + break; + default: + key = 0x77; /* safe to be hw default */ + } + + outb(key, dev->path.pnp.port); + outb(key, dev->path.pnp.port); +} + +static void pnp_exit_ext_func_mode(struct device *dev) +{ + outb(0xaa, dev->path.pnp.port); +} + +static const struct pnp_mode_ops pnp_conf_mode_ops = { + .enter_conf_mode = pnp_enter_ext_func_mode, + .exit_conf_mode = pnp_exit_ext_func_mode, +}; + + +static void f81216h_init(struct device *dev) +{ + if (!dev->enabled) + return; + + switch(dev->path.pnp.device) { + case F81216H_SP1: + case F81216H_SP2: + case F81216H_SP3: + case F81216H_SP4: + case F81216H_WDT: + 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 = f81216h_init, + .ops_pnp_mode = &pnp_conf_mode_ops, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, F81216H_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, + { &ops, F81216H_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, + { &ops, F81216H_SP3, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, + { &ops, F81216H_SP4, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, + { &ops, F81216H_WDT, }, +}; + +static void enable_dev(struct device *dev) +{ + pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); +} + +struct chip_operations superio_fintek_f81216h_ops = { + CHIP_NAME("Fintek F81216H/D/DG/F/FG Super I/O") + .enable_dev = enable_dev +}; |