From b70d1993a432af2a026c4cad0fa3dd3c5eca1ef7 Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Wed, 29 Oct 2008 04:45:28 +0000 Subject: Implement support for the Winbond W83627THG. Signed-off-by: Stefan Reinauer Acked-by: Ronald G. Minnich git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3700 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/superio/winbond/w83627thg/superio.c | 109 ++++++++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) create mode 100644 src/superio/winbond/w83627thg/superio.c (limited to 'src/superio/winbond/w83627thg/superio.c') diff --git a/src/superio/winbond/w83627thg/superio.c b/src/superio/winbond/w83627thg/superio.c new file mode 100644 index 0000000000..ed838a49b7 --- /dev/null +++ b/src/superio/winbond/w83627thg/superio.c @@ -0,0 +1,109 @@ +/* Copyright 2000 AG Electronics Ltd. */ +/* Copyright 2003-2004 Linux Networx */ +/* Copyright 2004 Tyan + By LYH change from PC87360 */ +/* This code is distributed without warranty under the GPL v2 (see COPYING) */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include "chip.h" +#include "w83627thg.h" + +static void w83627thg_enter_ext_func_mode(device_t dev) +{ + outb(0x87, dev->path.u.pnp.port); + outb(0x87, dev->path.u.pnp.port); +} +static void w83627thg_exit_ext_func_mode(device_t dev) +{ + outb(0xaa, dev->path.u.pnp.port); +} + +static void w83627thg_init(device_t dev) +{ + struct superio_winbond_w83627thg_config *conf; + struct resource *res0, *res1; + /* Wishlist handle well known programming interfaces more + * generically. + */ + if (!dev->enabled) { + return; + } + conf = dev->chip_info; + switch(dev->path.u.pnp.device) { + case W83627THG_SP1: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com1); + break; + case W83627THG_SP2: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com2); + break; + case W83627THG_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; + } +} + +static void w83627thg_set_resources(device_t dev) +{ + w83627thg_enter_ext_func_mode(dev); + pnp_set_resources(dev); + w83627thg_exit_ext_func_mode(dev); +} + +static void w83627thg_enable_resources(device_t dev) +{ + w83627thg_enter_ext_func_mode(dev); + pnp_enable_resources(dev); + w83627thg_exit_ext_func_mode(dev); +} + +static void w83627thg_enable(device_t dev) +{ + w83627thg_enter_ext_func_mode(dev); + pnp_enable(dev); + w83627thg_exit_ext_func_mode(dev); +} + + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = w83627thg_set_resources, + .enable_resources = w83627thg_enable_resources, + .enable = w83627thg_enable, + .init = w83627thg_init, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, W83627THG_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, }, + { &ops, W83627THG_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, }, + { &ops, W83627THG_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, }, + { &ops, W83627THG_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, }, + // No 4 { 0,}, + { &ops, W83627THG_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, }, + { &ops, W83627THG_GAME_MIDI_GPIO1, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7ff, 0 }, {0x7fe, 4} }, + { &ops, W83627THG_GPIO2,}, + { &ops, W83627THG_GPIO3,}, + { &ops, W83627THG_ACPI, PNP_IRQ0, }, + { &ops, W83627THG_HWM, PNP_IO0 | PNP_IRQ0, { 0xff8, 0 } }, +}; + +static void enable_dev(device_t dev) +{ + pnp_enable_devices(dev, &ops, + sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), pnp_dev_info); +} + +struct chip_operations superio_winbond_w83627thg_ops = { + CHIP_NAME("Winbond W83627THG Super I/O") + .enable_dev = enable_dev, +}; -- cgit v1.2.3