-/* 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>
pnp_write_config(dev, index, irq);
}
-void pnp_set_drq(device_t dev, unsigned drq, unsigned index)
+void pnp_set_drq(device_t dev, unsigned index, unsigned drq)
{
/* Index == 0x74 */
pnp_write_config(dev, index, drq & 0xff);
static void pnp_set_resource(device_t dev, struct resource *resource)
{
if (!(resource->flags & IORESOURCE_ASSIGNED)) {
- printk_err("ERROR: %s %02x not allocated\n",
- dev_path(dev), resource->index);
+ printk_err("ERROR: %s %02x %s size: 0x%010Lx not assigned\n",
+ dev_path(dev), resource->index,
+ resource_type(resource),
+ resource->size);
return;
}
/* Now store the resource */
if (resource->flags & IORESOURCE_IO) {
pnp_set_iobase(dev, resource->index, resource->base);
- } else if (resource->flags & IORESOURCE_DRQ) {
+ }
+ else if (resource->flags & IORESOURCE_DRQ) {
pnp_set_drq(dev, resource->index, resource->base);
- } else if (resource->flags & IORESOURCE_IRQ) {
+ }
+ else if (resource->flags & IORESOURCE_IRQ) {
pnp_set_irq(dev, resource->index, resource->base);
- } else {
+ }
+ else {
printk_err("ERROR: %s %02x unknown resource type\n",
- dev_path(dev), resource->index);
+ dev_path(dev), resource->index);
return;
}
resource->flags |= IORESOURCE_STORED;
- printk_debug("%s %02x <- [0x%08lx - 0x%08lx] %s\n", dev_path(dev),
- resource->index, resource->base,
- resource->base + resource->size - 1,
- (resource->flags & IORESOURCE_IO)? "io":
- (resource->flags & IORESOURCE_DRQ)? "drq":
- (resource->flags & IORESOURCE_IRQ)? "irq":
- (resource->flags & IORESOURCE_MEM)? "mem":
- "???");
+ report_resource_stored(dev, resource, "");
}
void pnp_set_resources(device_t dev)
pnp_set_logical_device(dev);
/* Paranoia says I should disable the device here... */
- for (i = 0; i < dev->resources; i++) {
+ for(i = 0; i < dev->resources; i++) {
pnp_set_resource(dev, &dev->resource[i]);
}
}
/* PNP chip opertations */
-static void pnp_get_ioresource(device_t dev, unsigned index,
- struct io_info *info)
+static void pnp_get_ioresource(device_t dev, unsigned index, struct io_info *info)
{
struct resource *resource;
- uint32_t size;
+ unsigned moving, gran, step;
- resource = get_resource(dev, index);
+ resource = new_resource(dev, index);
/* Initilize the resource */
resource->limit = 0xffff;
resource->flags |= IORESOURCE_IO;
+ /* Get the resource size */
+ moving = info->mask;
+ gran = 15;
+ step = 1 << gran;
+ /* Find the first bit that moves */
+ while((moving & step) == 0) {
+ gran--;
+ step >>= 1;
+ }
+ /* Now find the first bit that does not move */
+ while((moving & step) != 0) {
+ gran--;
+ step >>= 1;
+ }
+ /* Of the moving bits the last bit in the first group,
+ * tells us the size of this resource.
+ */
+ if ((moving & step) == 0) {
+ gran++;
+ step <<= 1;
+ }
/* Set the resource size and alignment */
- size = (0xffff & info->mask);
- resource->size = (~(size | 0xfffff800) + 1);
- resource->align = log2(resource->size);
- resource->gran = resource->align;
+ resource->gran = gran;
+ resource->align = gran;
+ resource->limit = info->mask | (step - 1);
+ resource->size = 1 << gran;
}
static void get_resources(device_t dev, struct pnp_info *info)
{
struct resource *resource;
-// pnp_set_logical_device(dev); // coment out by LYH
-
if (info->flags & PNP_IO0) {
pnp_get_ioresource(dev, PNP_IDX_IO0, &info->io0);
}
if (info->flags & PNP_IO1) {
pnp_get_ioresource(dev, PNP_IDX_IO1, &info->io1);
}
+ if (info->flags & PNP_IO2) {
+ pnp_get_ioresource(dev, PNP_IDX_IO2, &info->io2);
+ }
+ if (info->flags & PNP_IO3) {
+ pnp_get_ioresource(dev, PNP_IDX_IO3, &info->io3);
+ }
if (info->flags & PNP_IRQ0) {
- resource = get_resource(dev, PNP_IDX_IRQ0);
+ resource = new_resource(dev, PNP_IDX_IRQ0);
resource->size = 1;
resource->flags |= IORESOURCE_IRQ;
}
if (info->flags & PNP_IRQ1) {
- resource = get_resource(dev, PNP_IDX_IRQ1);
+ resource = new_resource(dev, PNP_IDX_IRQ1);
resource->size = 1;
resource->flags |= IORESOURCE_IRQ;
}
if (info->flags & PNP_DRQ0) {
- resource = get_resource(dev, PNP_IDX_DRQ0);
+ resource = new_resource(dev, PNP_IDX_DRQ0);
resource->size = 1;
resource->flags |= IORESOURCE_DRQ;
}
if (info->flags & PNP_DRQ1) {
- resource = get_resource(dev, PNP_IDX_DRQ1);
+ resource = new_resource(dev, PNP_IDX_DRQ1);
resource->size = 1;
resource->flags |= IORESOURCE_DRQ;
}
}
-void pnp_enumerate(struct chip *chip, unsigned functions,
- struct device_operations *ops, struct pnp_info *info)
+void pnp_enable_devices(device_t base_dev, struct device_operations *ops,
+ unsigned functions, struct pnp_info *info)
{
struct device_path path;
device_t dev;
int i;
- chip_enumerate(chip);
-
path.type = DEVICE_PATH_PNP;
- path.u.pnp.port = chip->dev->path.u.pnp.port;
+ path.u.pnp.port = base_dev->path.u.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;
+ for(i = 0; i < functions; i++) {
+ /* Skip logical devices this Super I/O doesn't have. */
+ if (info[i].function == -1)
+ continue;
- dev = alloc_find_dev(chip->bus, &path);
+ path.u.pnp.device = info[i].function;
+ dev = alloc_find_dev(base_dev->bus, &path);
+
+ /* Don't initialize a device multiple times */
+ if (dev->ops)
+ continue;
if (info[i].ops == 0) {
dev->ops = ops;
- } else {
+ } else {
dev->ops = info[i].ops;
}
get_resources(dev, &info[i]);
projects / coreboot.git / blobdiff