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Diffstat (limited to 'src/superio/winbond/w83627dhg/superio.c')
-rw-r--r--src/superio/winbond/w83627dhg/superio.c123
1 files changed, 123 insertions, 0 deletions
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 <uwe@hermann-uwe.de>
+ *
+ * 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 <arch/io.h>
+#include <device/device.h>
+#include <device/pnp.h>
+#include <uart8250.h>
+#include <pc80/keyboard.h>
+#include <stdlib.h>
+#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,
+};