{
device_t child;
for (child = parent->children; child; child = child->sibling) {
- if (path_eq(path, &child->path)) {
+ if (path_eq(path, &child->path))
break;
- }
}
return child;
}
{
device_t child;
child = find_dev_path(parent, path);
- if (!child) {
+ if (!child)
child = alloc_dev(parent, path);
- }
return child;
}
result = 0;
for (dev = all_devices; dev; dev = dev->next) {
if ((dev->path.type == DEVICE_PATH_PCI) &&
- (dev->bus->secondary == bus) &&
- (dev->path.pci.devfn == devfn)) {
+ (dev->bus->secondary == bus) &&
+ (dev->path.pci.devfn == devfn)) {
result = dev;
break;
}
*/
struct device *dev_find_slot_on_smbus(unsigned int bus, unsigned int addr)
{
- struct device *dev, *result;
+ 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.i2c.device == addr)) {
- result = dev;
- break;
- }
- }
- return result;
+ result = 0;
+ for (dev = all_devices; dev; dev = dev->next) {
+ if ((dev->path.type == DEVICE_PATH_I2C) &&
+ (dev->bus->secondary == bus) &&
+ (dev->path.i2c.device == addr)) {
+ result = dev;
+ break;
+ }
+ }
+ return result;
}
/**
*
* @param vendor A PCI vendor ID (e.g. 0x8086 for Intel).
* @param device A PCI 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
- * head of the list (i.e. all_devices).
+ * @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
+ * head of the list (i.e. all_devices).
* @return Pointer to the device struct.
*/
-struct device *dev_find_device(unsigned int vendor, unsigned int device,
- struct device *from)
+struct device *dev_find_device(u16 vendor, u16 device, struct device *from)
{
if (!from)
from = all_devices;
else
from = from->next;
- while (from && (from->vendor != vendor || from->device != device)) {
+
+ while (from && (from->vendor != vendor || from->device != device))
from = from->next;
- }
+
return 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
- * head of the list (i.e. all_devices).
+ * @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
+ * head of the list (i.e. all_devices).
* @return Pointer to the device struct.
*/
struct device *dev_find_class(unsigned int class, struct device *from)
from = all_devices;
else
from = from->next;
+
while (from && (from->class & 0xffffff00) != class)
from = from->next;
+
return from;
}
buffer[0] = '\0';
if (!dev) {
memcpy(buffer, "<null>", 7);
- }
- else {
+ } else {
switch(dev->path.type) {
case DEVICE_PATH_ROOT:
memcpy(buffer, "Root Device", 12);
case DEVICE_PATH_PCI:
#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.pci.devfn), PCI_FUNC(dev->path.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.pci.devfn), PCI_FUNC(dev->path.pci.devfn));
+ PCI_SLOT(dev->path.pci.devfn),
+ PCI_FUNC(dev->path.pci.devfn));
#endif
break;
case DEVICE_PATH_PNP:
sprintf(buffer, "CPU_BUS: %02x", dev->path.cpu_bus.id);
break;
default:
- printk(BIOS_ERR, "Unknown device path type: %d\n", dev->path.type);
+ printk(BIOS_ERR, "Unknown device path type: %d\n",
+ dev->path.type);
break;
}
}
int path_eq(struct device_path *path1, struct device_path *path2)
{
int equal = 0;
- if (path1->type == path2->type) {
- switch(path1->type) {
- case DEVICE_PATH_NONE:
- break;
- case DEVICE_PATH_ROOT:
- equal = 1;
- break;
- case DEVICE_PATH_PCI:
- equal = (path1->pci.devfn == path2->pci.devfn);
- break;
- case DEVICE_PATH_PNP:
- equal = (path1->pnp.port == path2->pnp.port) &&
- (path1->pnp.device == path2->pnp.device);
- break;
- case DEVICE_PATH_I2C:
- equal = (path1->i2c.device == path2->i2c.device);
- break;
- case DEVICE_PATH_APIC:
- equal = (path1->apic.apic_id == path2->apic.apic_id);
- break;
- case DEVICE_PATH_PCI_DOMAIN:
- equal = (path1->pci_domain.domain == path2->pci_domain.domain);
- break;
- case DEVICE_PATH_APIC_CLUSTER:
- equal = (path1->apic_cluster.cluster == path2->apic_cluster.cluster);
- break;
- case DEVICE_PATH_CPU:
- equal = (path1->cpu.id == path2->cpu.id);
- break;
- case DEVICE_PATH_CPU_BUS:
- equal = (path1->cpu_bus.id == path2->cpu_bus.id);
- break;
- default:
- printk(BIOS_ERR, "Uknown device type: %d\n", path1->type);
- break;
- }
+
+ if (path1->type != path2->type)
+ return 0;
+
+ switch (path1->type) {
+ case DEVICE_PATH_NONE:
+ break;
+ case DEVICE_PATH_ROOT:
+ equal = 1;
+ break;
+ case DEVICE_PATH_PCI:
+ equal = (path1->pci.devfn == path2->pci.devfn);
+ break;
+ case DEVICE_PATH_PNP:
+ equal = (path1->pnp.port == path2->pnp.port) &&
+ (path1->pnp.device == path2->pnp.device);
+ break;
+ case DEVICE_PATH_I2C:
+ equal = (path1->i2c.device == path2->i2c.device);
+ break;
+ case DEVICE_PATH_APIC:
+ equal = (path1->apic.apic_id == path2->apic.apic_id);
+ break;
+ case DEVICE_PATH_PCI_DOMAIN:
+ equal = (path1->pci_domain.domain == path2->pci_domain.domain);
+ break;
+ case DEVICE_PATH_APIC_CLUSTER:
+ equal = (path1->apic_cluster.cluster
+ == path2->apic_cluster.cluster);
+ break;
+ case DEVICE_PATH_CPU:
+ equal = (path1->cpu.id == path2->cpu.id);
+ break;
+ case DEVICE_PATH_CPU_BUS:
+ equal = (path1->cpu_bus.id == path2->cpu_bus.id);
+ break;
+ default:
+ printk(BIOS_ERR, "Uknown device type: %d\n", path1->type);
+ break;
}
+
return equal;
}
{
int i;
struct resource *new_res_list;
+
new_res_list = malloc(64 * sizeof(*new_res_list));
if (new_res_list == NULL)
memset(new_res_list, 0, 64 * sizeof(*new_res_list));
- for (i = 0; i < 64-1; i++)
+ for (i = 0; i < 64 - 1; i++)
new_res_list[i].next = &new_res_list[i+1];
free_resources = new_res_list;
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.
*
* @param dev The device to find the resource on.
void compact_resources(device_t dev)
{
struct resource *res, *next, *prev = NULL;
+
/* Move all of the free resources to the end */
for (res = dev->resource_list; res; res = next) {
next = res->next;
if (res->index == index)
break;
}
+
return res;
}
{
struct resource *resource, *tail;
- /* First move all of the free resources to the end */
+ /* First move all of the free resources to the end. */
compact_resources(dev);
- /* See if there is a resource with the appropriate index */
+ /* See if there is a resource with the appropriate index. */
resource = probe_resource(dev, index);
if (!resource) {
if (free_resources == NULL && !allocate_more_resources())
if (tail) {
while (tail->next) tail = tail->next;
tail->next = resource;
- }
- else
+ } else {
dev->resource_list = resource;
+ }
}
- /* Initialize the resource values */
+
+ /* Initialize the resource values. */
if (!(resource->flags & IORESOURCE_FIXED)) {
resource->flags = 0;
resource->base = 0;
{
struct resource *resource;
- /* See if there is a resource with the appropriate index */
+ /* See if there is a resource with the appropriate index. */
resource = probe_resource(dev, index);
if (!resource) {
printk(BIOS_EMERG, "%s missing resource: %02x\n",
- dev_path(dev), index);
+ dev_path(dev), index);
die("");
}
return resource;
}
-
/**
* Round a number up to the next multiple of gran.
*
resource_t resource_end(struct resource *resource)
{
resource_t base, end;
- /* get the base address */
+
+ /* Get the base address. */
base = resource->base;
- /* For a non bridge resource granularity and alignment are the same.
+ /*
+ * For a non bridge resource granularity and alignment are the same.
* For a bridge resource align is the largest needed alignment below
- * the bridge. While the granularity is simply how many low bits of the
- * address cannot be set.
+ * the bridge. While the granularity is simply how many low bits of
+ * the address cannot be set.
*/
- /* Get the end (rounded up) */
+ /* Get the end (rounded up). */
end = base + align_up(resource->size, resource->gran) - 1;
return end;
{
static char buffer[RESOURCE_TYPE_MAX];
sprintf(buffer, "%s%s%s%s",
- ((resource->flags & IORESOURCE_READONLY)? "ro": ""),
- ((resource->flags & IORESOURCE_PREFETCH)? "pref":""),
- ((resource->flags == 0)? "unused":
- (resource->flags & IORESOURCE_IO)? "io":
- (resource->flags & IORESOURCE_DRQ)? "drq":
- (resource->flags & IORESOURCE_IRQ)? "irq":
- (resource->flags & IORESOURCE_MEM)? "mem":"??????"),
- ((resource->flags & IORESOURCE_PCI64)?"64":""));
+ ((resource->flags & IORESOURCE_READONLY) ? "ro" : ""),
+ ((resource->flags & IORESOURCE_PREFETCH) ? "pref" : ""),
+ ((resource->flags == 0) ? "unused" :
+ (resource->flags & IORESOURCE_IO) ? "io" :
+ (resource->flags & IORESOURCE_DRQ) ? "drq" :
+ (resource->flags & IORESOURCE_IRQ) ? "irq" :
+ (resource->flags & IORESOURCE_MEM) ? "mem" : "??????"),
+ ((resource->flags & IORESOURCE_PCI64) ? "64" : ""));
return buffer;
}
void report_resource_stored(device_t dev, struct resource *resource,
const char *comment)
{
- if (resource->flags & IORESOURCE_STORED) {
- char buf[10];
- unsigned long long base, end;
- base = resource->base;
- end = resource_end(resource);
- buf[0] = '\0';
- if (resource->flags & IORESOURCE_PCI_BRIDGE) {
+ char buf[10];
+ unsigned long long base, end;
+
+ if (!(resource->flags & IORESOURCE_STORED))
+ return;
+
+ base = resource->base;
+ end = resource_end(resource);
+ buf[0] = '\0';
+
+ if (resource->flags & IORESOURCE_PCI_BRIDGE) {
#if CONFIG_PCI_BUS_SEGN_BITS
- sprintf(buf, "bus %04x:%02x ", dev->bus->secondary>>8, dev->link_list->secondary & 0xff);
+ sprintf(buf, "bus %04x:%02x ", dev->bus->secondary >> 8,
+ dev->link_list->secondary & 0xff);
#else
- sprintf(buf, "bus %02x ", dev->link_list->secondary);
+ sprintf(buf, "bus %02x ", dev->link_list->secondary);
#endif
- }
- 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);
}
+ 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);
}
-void search_bus_resources(struct bus *bus,
- unsigned long type_mask, unsigned long type,
- resource_search_t search, void *gp)
+void search_bus_resources(struct bus *bus, unsigned long type_mask,
+ unsigned long type, resource_search_t search,
+ void *gp)
{
struct device *curdev;
+
for (curdev = bus->children; curdev; curdev = curdev->sibling) {
struct resource *res;
- /* Ignore disabled devices */
- if (!curdev->enabled) continue;
+
+ /* Ignore disabled devices. */
+ 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 ((res->flags & type_mask) != type) {
+ /* If it isn't the right kind of resource ignore it. */
+ if ((res->flags & type_mask) != type)
continue;
- }
- /* If it is a subtractive resource recurse */
+
+ /* If it is a subtractive resource recurse. */
if (res->flags & IORESOURCE_SUBTRACTIVE) {
struct bus * subbus;
- for (subbus = curdev->link_list; subbus; subbus = subbus->next)
- if (subbus->link_num == IOINDEX_SUBTRACTIVE_LINK(res->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);
+ search_bus_resources(subbus, type_mask, type,
+ search, gp);
continue;
}
search(gp, curdev, res);
}
}
-void search_global_resources(
- unsigned long type_mask, unsigned long type,
- resource_search_t search, void *gp)
+void search_global_resources(unsigned long type_mask, unsigned long type,
+ resource_search_t search, void *gp)
{
struct device *curdev;
+
for (curdev = all_devices; curdev; curdev = curdev->next) {
struct resource *res;
- /* Ignore disabled devices */
- if (!curdev->enabled) continue;
+
+ /* Ignore disabled devices. */
+ 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 ((res->flags & type_mask) != type) {
+ /* If it isn't the right kind of resource ignore it. */
+ if ((res->flags & type_mask) != type)
continue;
- }
- /* If it is a subtractive resource ignore it */
- if (res->flags & IORESOURCE_SUBTRACTIVE) {
+
+ /* If it is a subtractive resource ignore it. */
+ if (res->flags & IORESOURCE_SUBTRACTIVE)
continue;
- }
+
search(gp, curdev, res);
}
}
void dev_set_enabled(device_t dev, int enable)
{
- if (dev->enabled == enable) {
+ if (dev->enabled == enable)
return;
- }
+
dev->enabled = enable;
if (dev->ops && dev->ops->enable) {
dev->ops->enable(dev);
- }
- else if (dev->chip_ops && dev->chip_ops->enable_dev) {
+ } else if (dev->chip_ops && dev->chip_ops->enable_dev) {
dev->chip_ops->enable_dev(dev);
}
}
void disable_children(struct bus *bus)
{
device_t child;
+
for (child = bus->children; child; child = child->sibling) {
struct bus *link;
- for (link = child->link_list; link; link = link->next) {
+ for (link = child->link_list; link; link = link->next)
disable_children(link);
- }
dev_set_enabled(child, 0);
}
}
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);
+ 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) {
}
}
-void print_resource_tree(struct device * root, int debug_level,
- const char *msg)
+void print_resource_tree(struct device *root, int debug_level, const char *msg)
{
/* Bail if root is null. */
if (!root) {
/* Bail if not printing to screen. */
if (!do_printk(debug_level, "Show resources in subtree (%s)...%s\n",
- dev_path(root), msg))
+ dev_path(root), msg))
return;
+
resource_tree(root, debug_level, 0);
}
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)
{
/* Bail if not printing to screen. */
if (!do_printk(debug_level, "Show all devs in subtree %s...%s\n",
- dev_path(root), msg))
+ dev_path(root), msg))
return;
do_printk(debug_level, "%s\n", msg);
show_devs_tree(root, debug_level, 0, -1);
base = resource->base;
end = resource_end(resource);
buf[0] = '\0';
+
/*
if (resource->flags & IORESOURCE_BRIDGE) {
#if CONFIG_PCI_BUS_SEGN_BITS
#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);
+ 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))
+ if (!do_printk(debug_level, "Show all devs with resources...%s\n", msg))
return;
for (dev = all_devices; dev; dev = dev->next) {
projects / coreboot.git / blobdiff