From 1ec5094390f6d78929cc12ed31860a7c8e2c459c Mon Sep 17 00:00:00 2001 From: Uwe Hermann Date: Tue, 11 Nov 2008 21:10:07 +0000 Subject: [PATCH] Add support for the Winbond W83627DHG Super I/O. Signed-off-by: Uwe Hermann Acked-by: Corey Osgood git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3746 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/superio/winbond/w83627dhg/Config.lb | 23 ++++ src/superio/winbond/w83627dhg/chip.h | 29 +++++ src/superio/winbond/w83627dhg/superio.c | 123 ++++++++++++++++++ src/superio/winbond/w83627dhg/w83627dhg.h | 32 +++++ .../w83627dhg/w83627dhg_early_serial.c | 46 +++++++ 5 files changed, 253 insertions(+) create mode 100644 src/superio/winbond/w83627dhg/Config.lb create mode 100644 src/superio/winbond/w83627dhg/chip.h create mode 100644 src/superio/winbond/w83627dhg/superio.c create mode 100644 src/superio/winbond/w83627dhg/w83627dhg.h create mode 100644 src/superio/winbond/w83627dhg/w83627dhg_early_serial.c diff --git a/src/superio/winbond/w83627dhg/Config.lb b/src/superio/winbond/w83627dhg/Config.lb new file mode 100644 index 0000000000..1513f0df31 --- /dev/null +++ b/src/superio/winbond/w83627dhg/Config.lb @@ -0,0 +1,23 @@ +## +## This file is part of the coreboot project. +## +## Copyright (C) 2008 Uwe Hermann +## +## 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 +## + +config chip.h +object superio.o + diff --git a/src/superio/winbond/w83627dhg/chip.h b/src/superio/winbond/w83627dhg/chip.h new file mode 100644 index 0000000000..b948ba3f1c --- /dev/null +++ b/src/superio/winbond/w83627dhg/chip.h @@ -0,0 +1,29 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008 Uwe Hermann + * + * 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 +#include + +extern struct chip_operations superio_winbond_w83627dhg_ops; + +struct superio_winbond_w83627dhg_config { + struct uart8250 com1, com2; + struct pc_keyboard keyboard; +}; diff --git a/src/superio/winbond/w83627dhg/superio.c b/src/superio/winbond/w83627dhg/superio.c new file mode 100644 index 0000000000..9398313ea4 --- /dev/null +++ b/src/superio/winbond/w83627dhg/superio.c @@ -0,0 +1,123 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008 Uwe Hermann + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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 +#include +#include +#include +#include +#include +#include "chip.h" +#include "w83627dhg.h" + +static void pnp_enter_ext_func_mode(device_t dev) +{ + outb(0x87, dev->path.u.pnp.port); + outb(0x87, dev->path.u.pnp.port); +} + +static void pnp_exit_ext_func_mode(device_t dev) +{ + outb(0xaa, dev->path.u.pnp.port); +} + +static void w83627dhg_init(device_t dev) +{ + struct superio_winbond_w83627dhg_config *conf; + struct resource *res0, *res1; + + if (!dev->enabled) + return; + + conf = dev->chip_info; + + switch(dev->path.u.pnp.device) { + case W83627DHG_SP1: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com1); + break; + case W83627DHG_SP2: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com2); + break; + case W83627DHG_KBC: + res0 = find_resource(dev, PNP_IDX_IO0); + res1 = find_resource(dev, PNP_IDX_IO1); + init_pc_keyboard(res0->base, res1->base, &conf->keyboard); + break; + } +} + +void w83627dhg_pnp_set_resources(device_t dev) +{ + pnp_enter_ext_func_mode(dev); + pnp_set_resources(dev); + pnp_exit_ext_func_mode(dev); +} + +void w83627dhg_pnp_enable_resources(device_t dev) +{ + pnp_enter_ext_func_mode(dev); + pnp_enable_resources(dev); + pnp_exit_ext_func_mode(dev); +} + +void w83627dhg_pnp_enable(device_t dev) +{ + if (!dev->enabled) + return; + + pnp_enter_ext_func_mode(dev); + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + pnp_exit_ext_func_mode(dev); +} + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = w83627dhg_pnp_set_resources, + .enable_resources = w83627dhg_pnp_enable_resources, + .enable = w83627dhg_pnp_enable, + .init = w83627dhg_init, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, W83627DHG_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x0ff8, 0}, }, + { &ops, W83627DHG_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x0ff8, 0}, }, + { &ops, W83627DHG_SP1, PNP_IO0 | PNP_IRQ0, { 0xff8, 0 }, }, + { &ops, W83627DHG_SP2, PNP_IO0 | PNP_IRQ0, { 0xff8, 0 }, }, + { &ops, W83627DHG_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0xfff, 0 }, { 0xfff, 0x4}, }, + { &ops, W83627DHG_SPI, PNP_IO1, { 0xff8, 0 }, }, + { &ops, W83627DHG_GPIO6, }, + { &ops, W83627DHG_WDTO_PLED, }, + { &ops, W83627DHG_GPIO2345, }, + { &ops, W83627DHG_ACPI, }, + { &ops, W83627DHG_HWM, PNP_IO0 | PNP_IRQ0, { 0xffe, 0 }, }, + { &ops, W83627DHG_PECI_SST, }, +}; + +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_w83627dhg_ops = { + CHIP_NAME("Winbond W83627DHG Super I/O") + .enable_dev = enable_dev, +}; diff --git a/src/superio/winbond/w83627dhg/w83627dhg.h b/src/superio/winbond/w83627dhg/w83627dhg.h new file mode 100644 index 0000000000..e044e0d6dc --- /dev/null +++ b/src/superio/winbond/w83627dhg/w83627dhg.h @@ -0,0 +1,32 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008 Uwe Hermann + * + * 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 + */ + +#define W83627DHG_FDC 0 /* Floppy */ +#define W83627DHG_PP 1 /* Parallel port */ +#define W83627DHG_SP1 2 /* Com1 */ +#define W83627DHG_SP2 3 /* Com2 */ +#define W83627DHG_KBC 5 /* PS/2 keyboard + mouse */ +#define W83627DHG_SPI 6 /* Serial peripheral interface */ +#define W83627DHG_GPIO6 7 /* GPIO6 */ +#define W83627DHG_WDTO_PLED 8 /* WDTO#, PLED */ +#define W83627DHG_GPIO_SUSLED 9 /* GPIO2, GPIO3, GPIO4, GPIO5 */ +#define W83627DHG_ACPI 10 /* ACPI */ +#define W83627DHG_HWM 11 /* Hardware monitor */ +#define W83627DHG_PECI_SST 12 /* PECI, SST */ diff --git a/src/superio/winbond/w83627dhg/w83627dhg_early_serial.c b/src/superio/winbond/w83627dhg/w83627dhg_early_serial.c new file mode 100644 index 0000000000..f530dc6797 --- /dev/null +++ b/src/superio/winbond/w83627dhg/w83627dhg_early_serial.c @@ -0,0 +1,46 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008 Uwe Hermann + * + * 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 +#include +#include "w83627dhg.h" + +static void pnp_enter_ext_func_mode(device_t dev) +{ + u16 port = dev >> 8; + outb(0x87, port); + outb(0x87, port); +} + +static void pnp_exit_ext_func_mode(device_t dev) +{ + u16 port = dev >> 8; + outb(0xaa, port); +} + +static void w83627dhg_enable_serial(device_t dev, u16 iobase) +{ + pnp_enter_ext_func_mode(dev); + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + pnp_set_iobase(dev, PNP_IDX_IO0, iobase); + pnp_set_enable(dev, 1); + pnp_exit_ext_func_mode(dev); +}