+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2003-2004 Linux Networx
+ * (Written by Eric Biederman <ebiederman@lnxi.com> for Linux Networx)
+ * Copyright (C) 2003 Greg Watson <jarrah@users.sourceforge.net>
+ * Copyright (C) 2004 Li-Ta Lo <ollie@lanl.gov>
+ * Copyright (C) 2005-2006 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 <device/device.h>
#include <device/path.h>
device_t find_dev_path(struct bus *parent, struct device_path *path)
{
device_t child;
- for(child = parent->children; child; child = child->sibling) {
+ for (child = parent->children; child; child = child->sibling) {
if (path_eq(path, &child->path)) {
break;
}
result = 0;
for (dev = all_devices; dev; dev = dev->next) {
if ((dev->path.type == DEVICE_PATH_PCI) &&
- (dev->bus->secondary == bus) &&
- (dev->path.u.pci.devfn == devfn)) {
+ (dev->bus->secondary == bus) &&
+ (dev->path.pci.devfn == devfn)) {
result = dev;
break;
}
* @brief Given a smbus bus and a device number, find the device structure
*
* @param bus The bus number
- * @param addr a device number
+ * @param addr a device number
* @return pointer to the device structure
*/
struct device *dev_find_slot_on_smbus(unsigned int bus, unsigned int addr)
{
struct device *dev, *result;
-
+
result = 0;
for (dev = all_devices; dev; dev = dev->next) {
if ((dev->path.type == DEVICE_PATH_I2C) &&
- (dev->bus->secondary == bus) &&
- (dev->path.u.i2c.device == addr)) {
+ (dev->bus->secondary == bus) &&
+ (dev->path.i2c.device == addr)) {
result = dev;
- break;
- }
- }
+ break;
+ }
+ }
return result;
-}
+}
/** Find a device of a given vendor and type
* @param vendor Vendor ID (e.g. 0x8086 for Intel)
* @param device Device ID
* @param from Pointer to the device structure, used as a starting point
- * in the linked list of all_devices, which can be 0 to start at the
+ * in the linked list of all_devices, which can be 0 to start at the
* head of the list (i.e. all_devices)
- * @return Pointer to the device struct
+ * @return Pointer to the device struct
*/
struct device *dev_find_device(unsigned int vendor, unsigned int device, struct device *from)
{
/** Find a device of a given class
* @param class Class of the device
* @param from Pointer to the device structure, used as a starting point
- * in the linked list of all_devices, which can be 0 to start at the
+ * in the linked list of all_devices, which can be 0 to start at the
* head of the list (i.e. all_devices)
- * @return Pointer to the device struct
+ * @return Pointer to the device struct
*/
struct device *dev_find_class(unsigned int class, struct device *from)
{
return from;
}
+/* Warning: This function uses a static buffer. Don't call it more than once
+ * from the same print statement! */
const char *dev_path(device_t dev)
{
memcpy(buffer, "Root Device", 12);
break;
case DEVICE_PATH_PCI:
-#if PCI_BUS_SEGN_BITS
+#if CONFIG_PCI_BUS_SEGN_BITS
sprintf(buffer, "PCI: %04x:%02x:%02x.%01x",
- dev->bus->secondary>>8, dev->bus->secondary & 0xff,
- PCI_SLOT(dev->path.u.pci.devfn), PCI_FUNC(dev->path.u.pci.devfn));
+ dev->bus->secondary>>8, dev->bus->secondary & 0xff,
+ PCI_SLOT(dev->path.pci.devfn), PCI_FUNC(dev->path.pci.devfn));
#else
sprintf(buffer, "PCI: %02x:%02x.%01x",
- dev->bus->secondary,
- PCI_SLOT(dev->path.u.pci.devfn), PCI_FUNC(dev->path.u.pci.devfn));
+ dev->bus->secondary,
+ PCI_SLOT(dev->path.pci.devfn), PCI_FUNC(dev->path.pci.devfn));
#endif
break;
case DEVICE_PATH_PNP:
sprintf(buffer, "PNP: %04x.%01x",
- dev->path.u.pnp.port, dev->path.u.pnp.device);
+ dev->path.pnp.port, dev->path.pnp.device);
break;
case DEVICE_PATH_I2C:
sprintf(buffer, "I2C: %02x:%02x",
dev->bus->secondary,
- dev->path.u.i2c.device);
+ dev->path.i2c.device);
break;
case DEVICE_PATH_APIC:
sprintf(buffer, "APIC: %02x",
- dev->path.u.apic.apic_id);
+ dev->path.apic.apic_id);
break;
case DEVICE_PATH_PCI_DOMAIN:
sprintf(buffer, "PCI_DOMAIN: %04x",
- dev->path.u.pci_domain.domain);
+ dev->path.pci_domain.domain);
break;
case DEVICE_PATH_APIC_CLUSTER:
sprintf(buffer, "APIC_CLUSTER: %01x",
- dev->path.u.apic_cluster.cluster);
+ dev->path.apic_cluster.cluster);
break;
case DEVICE_PATH_CPU:
- sprintf(buffer, "CPU: %02x", dev->path.u.cpu.id);
+ sprintf(buffer, "CPU: %02x", dev->path.cpu.id);
break;
case DEVICE_PATH_CPU_BUS:
- sprintf(buffer, "CPU_BUS: %02x", dev->path.u.cpu_bus.id);
+ sprintf(buffer, "CPU_BUS: %02x", dev->path.cpu_bus.id);
break;
default:
- printk_err("Unknown device path type: %d\n", dev->path.type);
+ printk(BIOS_ERR, "Unknown device path type: %d\n", dev->path.type);
break;
}
}
const char *bus_path(struct bus *bus)
{
static char buffer[BUS_PATH_MAX];
- sprintf(buffer, "%s,%d",
- dev_path(bus->dev), bus->link);
+ sprintf(buffer, "%s,%d", dev_path(bus->dev), bus->link_num);
return buffer;
}
equal = 1;
break;
case DEVICE_PATH_PCI:
- equal = (path1->u.pci.devfn == path2->u.pci.devfn);
+ equal = (path1->pci.devfn == path2->pci.devfn);
break;
case DEVICE_PATH_PNP:
- equal = (path1->u.pnp.port == path2->u.pnp.port) &&
- (path1->u.pnp.device == path2->u.pnp.device);
+ equal = (path1->pnp.port == path2->pnp.port) &&
+ (path1->pnp.device == path2->pnp.device);
break;
case DEVICE_PATH_I2C:
- equal = (path1->u.i2c.device == path2->u.i2c.device);
+ equal = (path1->i2c.device == path2->i2c.device);
break;
case DEVICE_PATH_APIC:
- equal = (path1->u.apic.apic_id == path2->u.apic.apic_id);
+ equal = (path1->apic.apic_id == path2->apic.apic_id);
break;
case DEVICE_PATH_PCI_DOMAIN:
- equal = (path1->u.pci_domain.domain == path2->u.pci_domain.domain);
+ equal = (path1->pci_domain.domain == path2->pci_domain.domain);
break;
case DEVICE_PATH_APIC_CLUSTER:
- equal = (path1->u.apic_cluster.cluster == path2->u.apic_cluster.cluster);
+ equal = (path1->apic_cluster.cluster == path2->apic_cluster.cluster);
break;
case DEVICE_PATH_CPU:
- equal = (path1->u.cpu.id == path2->u.cpu.id);
+ equal = (path1->cpu.id == path2->cpu.id);
break;
case DEVICE_PATH_CPU_BUS:
- equal = (path1->u.cpu_bus.id == path2->u.cpu_bus.id);
+ equal = (path1->cpu_bus.id == path2->cpu_bus.id);
break;
default:
- printk_err("Uknown device type: %d\n", path1->type);
+ printk(BIOS_ERR, "Uknown device type: %d\n", path1->type);
break;
}
}
return equal;
}
+/**
+ * Allocate 64 more resources to the free list.
+ */
+static int allocate_more_resources(void)
+{
+ int i;
+ struct resource *new_res_list;
+ new_res_list = malloc(64 * sizeof(*new_res_list));
+
+ if (new_res_list == NULL)
+ return 0;
+
+ memset(new_res_list, 0, 64 * sizeof(*new_res_list));
+
+ for (i = 0; i < 64-1; i++)
+ new_res_list[i].next = &new_res_list[i+1];
+
+ free_resources = new_res_list;
+ return 1;
+}
+
+/**
+ * Remove resource res from the device's list and add it to the free list.
+ */
+static void free_resource(device_t dev, struct resource *res, struct resource *prev)
+{
+ if (prev)
+ prev->next = res->next;
+ else
+ dev->resource_list = res->next;
+ res->next = free_resources;
+ free_resources = res;
+}
+
/**
* See if we have unused but allocated resource structures.
* If so remove the allocation.
*/
void compact_resources(device_t dev)
{
- struct resource *resource;
- int i;
+ struct resource *res, *next, *prev = NULL;
/* Move all of the free resources to the end */
- for(i = 0; i < dev->resources;) {
- resource = &dev->resource[i];
- if (!resource->flags) {
- memmove(resource, resource + 1, dev->resources - i);
- dev->resources -= 1;
- memset(&dev->resource[dev->resources], 0, sizeof(*resource));
- } else {
- i++;
- }
+ for (res = dev->resource_list; res; res = next) {
+ next = res->next;
+ if (!res->flags)
+ free_resource(dev, res, prev);
+ else
+ prev = res;
}
}
*/
struct resource *probe_resource(device_t dev, unsigned index)
{
- struct resource *resource;
- int i;
+ struct resource *res;
/* See if there is a resource with the appropriate index */
- resource = 0;
- for(i = 0; i < dev->resources; i++) {
- if (dev->resource[i].index == index) {
- resource = &dev->resource[i];
+ for (res = dev->resource_list; res; res = res->next) {
+ if (res->index == index)
break;
- }
}
- return resource;
+ return res;
}
/**
*/
struct resource *new_resource(device_t dev, unsigned index)
{
- struct resource *resource;
+ struct resource *resource, *tail;
/* First move all of the free resources to the end */
compact_resources(dev);
/* See if there is a resource with the appropriate index */
resource = probe_resource(dev, index);
if (!resource) {
- if (dev->resources == MAX_RESOURCES) {
- die("MAX_RESOURCES exceeded.");
- }
- resource = &dev->resource[dev->resources];
+ if (free_resources == NULL && !allocate_more_resources())
+ die("Couldn't allocate more resources.");
+
+ resource = free_resources;
+ free_resources = free_resources->next;
memset(resource, 0, sizeof(*resource));
- dev->resources++;
+ resource->next = NULL;
+ tail = dev->resource_list;
+ if (tail) {
+ while (tail->next) tail = tail->next;
+ tail->next = resource;
+ }
+ else
+ dev->resource_list = resource;
}
/* Initialize the resource values */
if (!(resource->flags & IORESOURCE_FIXED)) {
/* See if there is a resource with the appropriate index */
resource = probe_resource(dev, index);
if (!resource) {
- printk_emerg("%s missing resource: %02x\n",
+ printk(BIOS_EMERG, "%s missing resource: %02x\n",
dev_path(dev), index);
die("");
}
* the bridge. While the granularity is simply how many low bits of the
* address cannot be set.
*/
-
+
/* Get the end (rounded up) */
end = base + align_up(resource->size, resource->gran) - 1;
void report_resource_stored(device_t dev, struct resource *resource, const char *comment)
{
if (resource->flags & IORESOURCE_STORED) {
- unsigned char buf[10];
+ char buf[10];
unsigned long long base, end;
base = resource->base;
end = resource_end(resource);
buf[0] = '\0';
if (resource->flags & IORESOURCE_PCI_BRIDGE) {
-#if PCI_BUS_SEGN_BITS
- sprintf(buf, "bus %04x:%02x ", dev->bus->secondary>>8, dev->link[0].secondary & 0xff);
+#if CONFIG_PCI_BUS_SEGN_BITS
+ sprintf(buf, "bus %04x:%02x ", dev->bus->secondary>>8, dev->link_list->secondary & 0xff);
#else
- sprintf(buf, "bus %02x ", dev->link[0].secondary);
+ sprintf(buf, "bus %02x ", dev->link_list->secondary);
#endif
}
- printk_debug(
- "%s %02x <- [0x%010Lx - 0x%010Lx] %s%s%s\n",
+ printk(BIOS_DEBUG,
+ "%s %02lx <- [0x%010Lx - 0x%010Lx] size 0x%08Lx gran 0x%02x %s%s%s\n",
dev_path(dev),
resource->index,
base, end,
+ resource->size, resource->gran,
buf,
resource_type(resource),
comment);
resource_search_t search, void *gp)
{
struct device *curdev;
- for(curdev = bus->children; curdev; curdev = curdev->sibling) {
- int i;
+ for (curdev = bus->children; curdev; curdev = curdev->sibling) {
+ struct resource *res;
/* Ignore disabled devices */
- if (!curdev->have_resources) continue;
- for(i = 0; i < curdev->resources; i++) {
- struct resource *resource = &curdev->resource[i];
+ if (!curdev->enabled) continue;
+ for (res = curdev->resource_list; res; res = res->next) {
/* If it isn't the right kind of resource ignore it */
- if ((resource->flags & type_mask) != type) {
+ if ((res->flags & type_mask) != type) {
continue;
}
/* If it is a subtractive resource recurse */
- if (resource->flags & IORESOURCE_SUBTRACTIVE) {
+ if (res->flags & IORESOURCE_SUBTRACTIVE) {
struct bus * subbus;
- subbus = &curdev->link[IOINDEX_SUBTRACTIVE_LINK(resource->index)];
+ for (subbus = curdev->link_list; subbus; subbus = subbus->next)
+ if (subbus->link_num == IOINDEX_SUBTRACTIVE_LINK(res->index))
+ break;
search_bus_resources(subbus, type_mask, type, search, gp);
continue;
}
- search(gp, curdev, resource);
+ search(gp, curdev, res);
}
}
}
resource_search_t search, void *gp)
{
struct device *curdev;
- for(curdev = all_devices; curdev; curdev = curdev->next) {
- int i;
+ for (curdev = all_devices; curdev; curdev = curdev->next) {
+ struct resource *res;
/* Ignore disabled devices */
- if (!curdev->have_resources) continue;
- for(i = 0; i < curdev->resources; i++) {
- struct resource *resource = &curdev->resource[i];
+ if (!curdev->enabled) continue;
+ for (res = curdev->resource_list; res; res = res->next) {
/* If it isn't the right kind of resource ignore it */
- if ((resource->flags & type_mask) != type) {
+ if ((res->flags & type_mask) != type) {
continue;
}
/* If it is a subtractive resource ignore it */
- if (resource->flags & IORESOURCE_SUBTRACTIVE) {
+ if (res->flags & IORESOURCE_SUBTRACTIVE) {
continue;
}
- search(gp, curdev, resource);
+ search(gp, curdev, res);
}
}
}
void disable_children(struct bus *bus)
{
device_t child;
- for(child = bus->children; child; child = child->sibling) {
- int link;
- for(link = 0; link < child->links; link++) {
- disable_children(&child->link[link]);
+ for (child = bus->children; child; child = child->sibling) {
+ struct bus *link;
+ for (link = child->link_list; link; link = link->next) {
+ disable_children(link);
}
dev_set_enabled(child, 0);
}
}
+
+static void resource_tree(struct device *root, int debug_level, int depth)
+{
+ int i = 0;
+ struct device *child;
+ struct bus *link;
+ struct resource *res;
+ char indent[30]; /* If your tree has more levels, it's wrong. */
+
+ for (i = 0; i < depth + 1 && i < 29; i++)
+ indent[i] = ' ';
+ indent[i] = '\0';
+
+ do_printk(BIOS_DEBUG, "%s%s", indent, dev_path(root));
+ if (root->link_list && root->link_list->children)
+ do_printk(BIOS_DEBUG, " child on link 0 %s",
+ dev_path(root->link_list->children));
+ do_printk(BIOS_DEBUG, "\n");
+
+ for (res = root->resource_list; res; res = res->next) {
+ do_printk(debug_level,
+ "%s%s resource base %llx size %llx align %d gran %d limit %llx flags %lx index %lx\n",
+ indent, dev_path(root), res->base,
+ res->size, res->align,
+ res->gran, res->limit,
+ res->flags, res->index);
+ }
+
+ for (link = root->link_list; link; link = link->next) {
+ for (child = link->children; child; child = child->sibling)
+ resource_tree(child, debug_level, depth + 1);
+ }
+}
+
+void print_resource_tree(struct device * root, int debug_level,
+ const char *msg)
+{
+ /* Bail if root is null. */
+ if (!root) {
+ do_printk(debug_level, "%s passed NULL for root!\n", __func__);
+ return;
+ }
+
+ /* Bail if not printing to screen. */
+ if (!do_printk(debug_level, "Show resources in subtree (%s)...%s\n",
+ dev_path(root), msg))
+ return;
+ resource_tree(root, debug_level, 0);
+}
+
+void show_devs_tree(struct device *dev, int debug_level, int depth, int linknum)
+{
+ char depth_str[20] = "";
+ int i;
+ struct device *sibling;
+ struct bus *link;
+
+ for (i = 0; i < depth; i++)
+ depth_str[i] = ' ';
+ depth_str[i] = '\0';
+ do_printk(debug_level, "%s%s: enabled %d\n",
+ depth_str, dev_path(dev), dev->enabled);
+ for (link = dev->link_list; link; link = link->next) {
+ for (sibling = link->children; sibling;
+ sibling = sibling->sibling)
+ show_devs_tree(sibling, debug_level, depth + 1, i);
+ }
+}
+
+void show_all_devs_tree(int debug_level, const char *msg)
+{
+ /* Bail if not printing to screen. */
+ if (!do_printk(debug_level, "Show all devs in tree form...%s\n", msg))
+ return;
+ show_devs_tree(all_devices, debug_level, 0, -1);
+}
+
+void show_devs_subtree(struct device *root, int debug_level, const char *msg)
+{
+ /* Bail if not printing to screen. */
+ if (!do_printk(debug_level, "Show all devs in subtree %s...%s\n",
+ dev_path(root), msg))
+ return;
+ do_printk(debug_level, "%s\n", msg);
+ show_devs_tree(root, debug_level, 0, -1);
+}
+
+void show_all_devs(int debug_level, const char *msg)
+{
+ struct device *dev;
+
+ /* Bail if not printing to screen. */
+ if (!do_printk(debug_level, "Show all devs...%s\n", msg))
+ return;
+ for (dev = all_devices; dev; dev = dev->next) {
+ do_printk(debug_level, "%s: enabled %d\n",
+ dev_path(dev), dev->enabled);
+ }
+}
+
+void show_one_resource(int debug_level, struct device *dev,
+ struct resource *resource, const char *comment)
+{
+ char buf[10];
+ unsigned long long base, end;
+ base = resource->base;
+ end = resource_end(resource);
+ buf[0] = '\0';
+/*
+ if (resource->flags & IORESOURCE_BRIDGE) {
+#if CONFIG_PCI_BUS_SEGN_BITS
+ sprintf(buf, "bus %04x:%02x ", dev->bus->secondary >> 8,
+ dev->link[0].secondary & 0xff);
+#else
+ sprintf(buf, "bus %02x ", dev->link[0].secondary);
+#endif
+ }
+*/
+ do_printk(debug_level, "%s %02lx <- [0x%010llx - 0x%010llx] "
+ "size 0x%08Lx gran 0x%02x %s%s%s\n",
+ dev_path(dev), resource->index, base, end,
+ resource->size, resource->gran, buf,
+ resource_type(resource), comment);
+
+}
+
+void show_all_devs_resources(int debug_level, const char* msg)
+{
+ struct device *dev;
+
+ if(!do_printk(debug_level, "Show all devs with resources...%s\n", msg))
+ return;
+
+ for (dev = all_devices; dev; dev = dev->next) {
+ struct resource *res;
+ do_printk(debug_level, "%s: enabled %d\n",
+ dev_path(dev), dev->enabled);
+ for (res = dev->resource_list; res; res = res->next)
+ show_one_resource(debug_level, dev, res, "");
+ }
+}
+
+void ram_resource(device_t dev, unsigned long index,
+ unsigned long basek, unsigned long sizek)
+{
+ struct resource *resource;
+
+ if (!sizek)
+ return;
+
+ resource = new_resource(dev, index);
+ resource->base = ((resource_t)basek) << 10;
+ resource->size = ((resource_t)sizek) << 10;
+ resource->flags = IORESOURCE_MEM | IORESOURCE_CACHEABLE | \
+ IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
+}
+
+void tolm_test(void *gp, struct device *dev, struct resource *new)
+{
+ struct resource **best_p = gp;
+ struct resource *best;
+
+ best = *best_p;
+
+ if (!best || (best->base > new->base))
+ best = new;
+
+ *best_p = best;
+}
+
+u32 find_pci_tolm(struct bus *bus)
+{
+ struct resource *min = NULL;
+ u32 tolm;
+
+ search_bus_resources(bus, IORESOURCE_MEM, IORESOURCE_MEM,
+ tolm_test, &min);
+
+ tolm = 0xffffffffUL;
+
+ if (min && tolm > min->base)
+ tolm = min->base;
+
+ return tolm;
+}
projects / coreboot.git / blobdiff