-/* Copyright 2004 Linux Networx */
-/* This code is distrubted wihtout warrant under the GPL v2 (see COPYING) */
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2004 Linux Networx
+ * (Written by Eric Biederman <ebiederman@lnxi.com> for Linux Networx)
+ * Copyright (C) 2004 Li-Ta Lo <ollie@lanl.gov>
+ * Copyright (C) 2005 Tyan
+ * (Written by Yinghai Lu <yhlu@tyan.com> for Tyan)
+ *
+ * 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; version 2 of the License.
+ *
+ * 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 <console/console.h>
#include <stdlib.h>
void pnp_write_config(device_t dev, uint8_t reg, uint8_t value)
{
- outb(reg, dev->path.u.pnp.port);
- outb(value, dev->path.u.pnp.port + 1);
+ outb(reg, dev->path.pnp.port);
+ outb(value, dev->path.pnp.port + 1);
}
uint8_t pnp_read_config(device_t dev, uint8_t reg)
{
- outb(reg, dev->path.u.pnp.port);
- return inb(dev->path.u.pnp.port + 1);
+ outb(reg, dev->path.pnp.port);
+ return inb(dev->path.pnp.port + 1);
}
void pnp_set_logical_device(device_t dev)
{
- pnp_write_config(dev, 0x07, dev->path.u.pnp.device);
+ pnp_write_config(dev, 0x07, dev->path.pnp.device & 0xff);
}
void pnp_set_enable(device_t dev, int enable)
{
- pnp_write_config(dev, 0x30, enable?0x1:0x0);
+ uint8_t tmp, bitpos;
+
+ tmp = pnp_read_config(dev, 0x30);
+ /* handle the virtual devices, which share same LDN register */
+ bitpos = (dev->path.pnp.device >> 8) & 0x7;
+
+ if (enable) {
+ tmp |= (1 << bitpos);
+ } else {
+ tmp &= ~(1 << bitpos);
+ }
+ pnp_write_config(dev, 0x30, tmp);
}
int pnp_read_enable(device_t dev)
{
- return !!pnp_read_config(dev, 0x30);
+ uint8_t tmp, bitpos;
+ tmp = pnp_read_config(dev, 0x30);
+ /* handle the virtual devices, which share same LDN register */
+ bitpos = (dev->path.pnp.device >> 8) & 0x7;
+ return !!(tmp & (1 << bitpos));
}
void pnp_set_iobase(device_t dev, unsigned index, unsigned iobase)
static void pnp_set_resource(device_t dev, struct resource *resource)
{
if (!(resource->flags & IORESOURCE_ASSIGNED)) {
- printk_err("ERROR: %s %02x %s size: 0x%010Lx not assigned\n",
+ printk(BIOS_ERR, "ERROR: %s %02lx %s size: 0x%010Lx not assigned\n",
dev_path(dev), resource->index,
resource_type(resource),
resource->size);
pnp_set_irq(dev, resource->index, resource->base);
}
else {
- printk_err("ERROR: %s %02x unknown resource type\n",
+ printk(BIOS_ERR, "ERROR: %s %02lx unknown resource type\n",
dev_path(dev), resource->index);
return;
}
unsigned moving, gran, step;
resource = new_resource(dev, index);
-
+
/* Initilize the resource */
resource->limit = 0xffff;
resource->flags |= IORESOURCE_IO;
-
+
/* Get the resource size */
moving = info->mask;
gran = 15;
resource = new_resource(dev, PNP_IDX_DRQ1);
resource->size = 1;
resource->flags |= IORESOURCE_DRQ;
- }
-}
+ }
+ /* These are not IRQs, but set the flag to have the
+ * resource allocator do the right thing
+ */
+ if (info->flags & PNP_EN) {
+ resource = new_resource(dev, PNP_IDX_EN);
+ resource->size = 1;
+ resource->flags |= IORESOURCE_IRQ;
+ }
+ if (info->flags & PNP_MSC0) {
+ resource = new_resource(dev, PNP_IDX_MSC0);
+ resource->size = 1;
+ resource->flags |= IORESOURCE_IRQ;
+ }
+ if (info->flags & PNP_MSC1) {
+ resource = new_resource(dev, PNP_IDX_MSC1);
+ resource->size = 1;
+ resource->flags |= IORESOURCE_IRQ;
+ }
+}
-void pnp_enable_devices(device_t base_dev, struct device_operations *ops,
+void pnp_enable_devices(device_t base_dev, struct device_operations *ops,
unsigned functions, struct pnp_info *info)
{
struct device_path path;
int i;
path.type = DEVICE_PATH_PNP;
- path.u.pnp.port = base_dev->path.u.pnp.port;
-
+ path.pnp.port = base_dev->path.pnp.port;
+
/* Setup the ops and resources on the newly allocated devices */
for(i = 0; i < functions; i++) {
- path.u.pnp.device = info[i].function;
+ /* Skip logical devices this Super I/O doesn't have. */
+ if (info[i].function == -1)
+ continue;
+
+ path.pnp.device = info[i].function;
dev = alloc_find_dev(base_dev->bus, &path);
-
+
/* Don't initialize a device multiple times */
- if (dev->ops)
+ if (dev->ops)
continue;
if (info[i].ops == 0) {
projects / coreboot.git / blobdiff