diff options
Diffstat (limited to 'src/superio/nuvoton/wpcm450')
-rw-r--r-- | src/superio/nuvoton/wpcm450/Makefile.inc | 22 | ||||
-rw-r--r-- | src/superio/nuvoton/wpcm450/chip.h | 35 | ||||
-rw-r--r-- | src/superio/nuvoton/wpcm450/early_init.c | 51 | ||||
-rw-r--r-- | src/superio/nuvoton/wpcm450/superio.c | 78 | ||||
-rw-r--r-- | src/superio/nuvoton/wpcm450/wpcm450.h | 28 |
5 files changed, 214 insertions, 0 deletions
diff --git a/src/superio/nuvoton/wpcm450/Makefile.inc b/src/superio/nuvoton/wpcm450/Makefile.inc new file mode 100644 index 0000000000..dc7ed36cfc --- /dev/null +++ b/src/superio/nuvoton/wpcm450/Makefile.inc @@ -0,0 +1,22 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2011 Advanced Micro Devices, Inc. +## +## 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 +## + +ramstage-$(CONFIG_SUPERIO_NUVOTON_WPCM450) += superio.c + diff --git a/src/superio/nuvoton/wpcm450/chip.h b/src/superio/nuvoton/wpcm450/chip.h new file mode 100644 index 0000000000..a5fdba76e2 --- /dev/null +++ b/src/superio/nuvoton/wpcm450/chip.h @@ -0,0 +1,35 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Advanced Micro Devices, Inc. + * + * 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 + */ + +#ifndef SUPERIO_NUVOTON_WPCM450_CHIP_H +#define SUPERIO_NUVOTON_WPCM450_CHIP_H + +struct chip_operations; +extern struct chip_operations superio_nuvoton_wpcm450_ops; + +#include <pc80/keyboard.h> +#include <uart8250.h> + +struct superio_nuvoton_wpcm450_config { + struct uart8250 com1, com2; + struct pc_keyboard keyboard; +}; + +#endif diff --git a/src/superio/nuvoton/wpcm450/early_init.c b/src/superio/nuvoton/wpcm450/early_init.c new file mode 100644 index 0000000000..eb80c949a5 --- /dev/null +++ b/src/superio/nuvoton/wpcm450/early_init.c @@ -0,0 +1,51 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Advanced Micro Devices, Inc. + * + * 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/romcc_io.h> +#include "wpcm450.h" + +static void wpcm450_pnp_set_logical_device(u8 dev, u16 port) +{ + outb(0x7, port); + outb(dev, port+1); +} + +static void wpcm450_pnp_set_enable(u8 dev, u16 port, u8 enable) +{ + outb(0x30, port); + outb(enable, port+1); +} + +static void wpcm450_pnp_set_iobase(u8 dev, u16 port, u8 index, u16 iobase) +{ + outb(index, port); + outb((iobase>>8)&0xFF, port+1); + outb(index+1, port); + outb(iobase&0xFF, port+1); +} + +static void wpcm450_enable_dev(u8 dev, u16 port, u16 iobase) +{ + wpcm450_pnp_set_logical_device(dev, port); + wpcm450_pnp_set_enable(dev, port, 0); + if (iobase) + wpcm450_pnp_set_iobase(dev, port, PNP_IDX_IO0, iobase); + wpcm450_pnp_set_enable(dev, port, 1); +} diff --git a/src/superio/nuvoton/wpcm450/superio.c b/src/superio/nuvoton/wpcm450/superio.c new file mode 100644 index 0000000000..e97be7a198 --- /dev/null +++ b/src/superio/nuvoton/wpcm450/superio.c @@ -0,0 +1,78 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Advanced Micro Devices, Inc. + * + * 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 <console/console.h> +#include <string.h> +#include <bitops.h> +#include <uart8250.h> +#include <pc80/keyboard.h> +#include <stdlib.h> +#include "chip.h" +#include "wpcm450.h" + +static void init(device_t dev) +{ + struct superio_nuvoton_wpcm450_config *conf = dev->chip_info; + struct resource *res0; + + if (!dev->enabled) + return; + + switch(dev->path.pnp.device) { + case WPCM450_SP1: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com1); + break; + case WPCM450_SP2: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com2); + break; + case WPCM450_KBCK: + pc_keyboard_init(&conf->keyboard); + break; + } +} + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = pnp_set_resources, + .enable_resources = pnp_enable_resources, + .enable = pnp_enable, + .init = init, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, WPCM450_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, {0x07f8, 0}, }, + { &ops, WPCM450_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, + { &ops, WPCM450_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07f8, 0}, {0x07f8, 4}, }, +}; + +static void enable_dev(struct device *dev) +{ + pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); +} + +struct chip_operations superio_nuvoton_wpcm450_ops = { + CHIP_NAME("NUVOTON WPCM450 Super I/O") + .enable_dev = enable_dev, +}; diff --git a/src/superio/nuvoton/wpcm450/wpcm450.h b/src/superio/nuvoton/wpcm450/wpcm450.h new file mode 100644 index 0000000000..bf50c853ce --- /dev/null +++ b/src/superio/nuvoton/wpcm450/wpcm450.h @@ -0,0 +1,28 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Advanced Micro Devices, Inc. + * + * 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 + */ + +#ifndef SUPERIO_NUVOTON_WPCM450_WPCM450_H +#define SUPERIO_NUVOTON_WPCM450_WPCM450_H + +#define WPCM450_SP2 0x02 /* Com2 */ +#define WPCM450_SP1 0x03 /* Com1 */ +#define WPCM450_KBCK 0x06 /* Keyboard */ + +#endif |