}
+static void sc520_read_resources(device_t dev)
+{
+ struct resource* res;
+
+ pci_dev_read_resources(dev);
+
+ res = new_resource(dev, 1);
+ res->base = 0x0UL;
+ res->size = 0x400UL;
+ res->limit = 0xffffUL;
+ res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+}
+
static struct device_operations cpu_operations = {
- .read_resources = pci_dev_read_resources,
+ .read_resources = sc520_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = sc520_enable_resources,
.init = cpu_init,
.device = 0x3000
};
-
-
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM)
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
- printk_spew("%s\n", __func__);
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0));
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0));
- resource->limit = 0xffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- printk_spew("%s\n", __func__);
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
-
#if 0
void sc520_enable_resources(device_t dev) {
* If enable_resources is set to the generic enable_resources
* function the whole thing will hang in an endless loop on
* the ts5300. If this is really needed on another platform,
- * something is conceptionally wrong.
+ * something is conceptually wrong.
*/
.enable_resources = 0, //enable_resources,
.init = 0,
#include "chip.h"
#include "northbridge.h"
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM)
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0));
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0));
- resource->limit = 0xffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
extern uint64_t high_tables_base, high_tables_size;
#endif
-static void pci_domain_set_resources(device_t dev)
+static void cpu_pci_domain_set_resources(device_t dev)
{
static const uint8_t ramregs[] = {
0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x56, 0x57
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
+static void cpu_pci_domain_read_resources(struct device *dev)
{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
+ struct resource *res;
+
+ pci_domain_read_resources(dev);
+
+ /* Reserve space for the IOAPIC. This should be in the Southbridge,
+ * but I couldn't tell which device to put it in. */
+ res = new_resource(dev, 2);
+ res->base = 0xfec00000UL;
+ res->size = 0x100000UL;
+ res->limit = 0xffffffffUL;
+ res->flags = IORESOURCE_MEM | IORESOURCE_FIXED | IORESOURCE_STORED |
+ IORESOURCE_ASSIGNED;
+
+ /* Reserve space for the LAPIC. There's one in every processor, but
+ * the space only needs to be reserved once, so we do it here. */
+ res = new_resource(dev, 3);
+ res->base = 0xfee00000UL;
+ res->size = 0x10000UL;
+ res->limit = 0xffffffffUL;
+ res->flags = IORESOURCE_MEM | IORESOURCE_FIXED | IORESOURCE_STORED |
+ IORESOURCE_ASSIGNED;
}
static struct device_operations pci_domain_ops = {
- .read_resources = pci_domain_read_resources,
- .set_resources = pci_domain_set_resources,
+ .read_resources = cpu_pci_domain_read_resources,
+ .set_resources = cpu_pci_domain_set_resources,
.enable_resources = enable_childrens_resources,
.init = 0,
.scan_bus = pci_domain_scan_bus,
#include <device/pci_ids.h>
#include <console/console.h>
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0));
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0));
- resource->limit = 0xffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
resource = find_resource(dev, index);
if (resource) {
min_size = resource->size;
- compute_allocate_resource(&dev->link[0], resource,
- resource->flags, resource->flags);
/* Allways allocate at least the miniumum size to a
* cardbus bridge in case a new card is plugged in.
*/
* Copyright (C) 2005-2006 Tyan
* (Written by Yinghai Lu <yhlu@tyan.com> for Tyan)
* Copyright (C) 2005-2006 Stefan Reinauer <stepan@openbios.org>
+ * Copyright (C) 2009 Myles Watson <mylesgw@gmail.com>
*/
/*
/** Pointer to the last device */
extern struct device **last_dev_p;
-/** The upper limit of MEM resource of the devices.
- * Reserve 20M for the system */
-#define DEVICE_MEM_HIGH 0xFEBFFFFFUL
-/** The lower limit of IO resource of the devices.
- * Reserve 4k for ISA/Legacy devices */
-#define DEVICE_IO_START 0x1000
/**
* @brief Allocate a new device structure.
spin_lock(&dev_lock);
- /* Find the last child of our parent */
- for(child = parent->children; child && child->sibling; ) {
+ /* Find the last child of our parent. */
+ for (child = parent->children; child && child->sibling; /* */ ) {
child = child->sibling;
}
dev = malloc(sizeof(*dev));
- if (dev == 0) {
+ if (dev == 0)
die("DEV: out of memory.\n");
- }
+
memset(dev, 0, sizeof(*dev));
memcpy(&dev->path, path, sizeof(*path));
- /* Initialize the back pointers in the link fields */
- for(link = 0; link < MAX_LINKS; link++) {
- dev->link[link].dev = dev;
+ /* Initialize the back pointers in the link fields. */
+ for (link = 0; link < MAX_LINKS; link++) {
+ dev->link[link].dev = dev;
dev->link[link].link = link;
}
- /* By default devices are enabled */
+ /* By default devices are enabled. */
dev->enabled = 1;
/* Add the new device to the list of children of the bus. */
{
struct device *curdev;
- printk_spew("%s read_resources bus %d link: %d\n",
- dev_path(bus->dev), bus->secondary, bus->link);
+ printk_spew("%s %s bus %x link: %d\n", dev_path(bus->dev), __func__,
+ bus->secondary, bus->link);
- /* Walk through all of the devices and find which resources they need. */
- for(curdev = bus->children; curdev; curdev = curdev->sibling) {
- unsigned links;
+ /* Walk through all devices and find which resources they need. */
+ for (curdev = bus->children; curdev; curdev = curdev->sibling) {
int i;
- if (curdev->have_resources) {
- continue;
- }
if (!curdev->enabled) {
continue;
}
if (!curdev->ops || !curdev->ops->read_resources) {
printk_err("%s missing read_resources\n",
- dev_path(curdev));
+ dev_path(curdev));
continue;
}
curdev->ops->read_resources(curdev);
- curdev->have_resources = 1;
- /* Read in subtractive resources behind the current device */
- links = 0;
- for(i = 0; i < curdev->resources; i++) {
- struct resource *resource;
- unsigned link;
- resource = &curdev->resource[i];
- if (!(resource->flags & IORESOURCE_SUBTRACTIVE))
- continue;
- link = IOINDEX_SUBTRACTIVE_LINK(resource->index);
- if (link > MAX_LINKS) {
- printk_err("%s subtractive index on link: %d\n",
- dev_path(curdev), link);
- continue;
- }
- if (!(links & (1 << link))) {
- links |= (1 << link);
- read_resources(&curdev->link[link]);
- }
- }
+
+ /* Read in the resources behind the current device's links. */
+ for (i = 0; i < curdev->links; i++)
+ read_resources(&curdev->link[i]);
}
printk_spew("%s read_resources bus %d link: %d done\n",
- dev_path(bus->dev), bus->secondary, bus->link);
+ dev_path(bus->dev), bus->secondary, bus->link);
}
struct pick_largest_state {
struct resource *last;
- struct device *result_dev;
+ struct device *result_dev;
struct resource *result;
int seen_last;
};
-static void pick_largest_resource(void *gp,
- struct device *dev, struct resource *resource)
+static void pick_largest_resource(void *gp, struct device *dev,
+ struct resource *resource)
{
struct pick_largest_state *state = gp;
struct resource *last;
+
last = state->last;
- /* Be certain to pick the successor to last */
+
+ /* Be certain to pick the successor to last. */
if (resource == last) {
state->seen_last = 1;
return;
if (!state->result ||
(state->result->align < resource->align) ||
((state->result->align == resource->align) &&
- (state->result->size < resource->size)))
- {
+ (state->result->size < resource->size))) {
state->result_dev = dev;
state->result = resource;
}
}
-static struct device *largest_resource(struct bus *bus, struct resource **result_res,
- unsigned long type_mask, unsigned long type)
+static struct device *largest_resource(struct bus *bus,
+ struct resource **result_res,
+ unsigned long type_mask,
+ unsigned long type)
{
struct pick_largest_state state;
state.last = *result_res;
- state.result_dev = 0;
- state.result = 0;
+ state.result_dev = NULL;
+ state.result = NULL;
state.seen_last = 0;
search_bus_resources(bus, type_mask, type, pick_largest_resource,
/* Compute allocate resources is the guts of the resource allocator.
*
* The problem.
- * - Allocate resources locations for every device.
+ * - Allocate resource locations for every device.
* - Don't overlap, and follow the rules of bridges.
* - Don't overlap with resources in fixed locations.
* - Be efficient so we don't have ugly strategies.
*
* The strategy.
* - Devices that have fixed addresses are the minority so don't
- * worry about them too much. Instead only use part of the address
- * space for devices with programmable addresses. This easily handles
+ * worry about them too much. Instead only use part of the address
+ * space for devices with programmable addresses. This easily handles
* everything except bridges.
*
- * - PCI devices are required to have thier sizes and their alignments
- * equal. In this case an optimal solution to the packing problem
- * exists. Allocate all devices from highest alignment to least
- * alignment or vice versa. Use this.
+ * - PCI devices are required to have their sizes and their alignments
+ * equal. In this case an optimal solution to the packing problem
+ * exists. Allocate all devices from highest alignment to least
+ * alignment or vice versa. Use this.
*
- * - So we can handle more than PCI run two allocation passes on
- * bridges. The first to see how large the resources are behind
- * the bridge, and what their alignment requirements are. The
- * second to assign a safe address to the devices behind the
- * bridge. This allows me to treat a bridge as just a device with
- * a couple of resources, and not need to special case it in the
- * allocator. Also this allows handling of other types of bridges.
+ * - So we can handle more than PCI run two allocation passes on bridges. The
+ * first to see how large the resources are behind the bridge, and what
+ * their alignment requirements are. The second to assign a safe address to
+ * the devices behind the bridge. This allows us to treat a bridge as just
+ * a device with a couple of resources, and not need to special case it in
+ * the allocator. Also this allows handling of other types of bridges.
*
*/
-
-void compute_allocate_resource(
- struct bus *bus,
- struct resource *bridge,
- unsigned long type_mask,
- unsigned long type)
+void compute_resources(struct bus *bus, struct resource *bridge,
+ unsigned long type_mask, unsigned long type)
{
struct device *dev;
struct resource *resource;
resource_t base;
- unsigned long align, min_align;
- min_align = 0;
- base = bridge->base;
+ base = round(bridge->base, bridge->align);
- printk_spew("%s compute_allocate_resource %s: base: %08Lx size: %08Lx align: %d gran: %d\n",
- dev_path(bus->dev),
- (bridge->flags & IORESOURCE_IO)? "io":
- (bridge->flags & IORESOURCE_PREFETCH)? "prefmem" : "mem",
- base, bridge->size, bridge->align, bridge->gran);
+ printk_spew( "%s %s_%s: base: %llx size: %llx align: %d gran: %d limit: %llx\n",
+ dev_path(bus->dev), __func__,
+ (type & IORESOURCE_IO) ? "io" : (type & IORESOURCE_PREFETCH) ?
+ "prefmem" : "mem",
+ base, bridge->size, bridge->align, bridge->gran, bridge->limit);
- /* We want different minimum alignments for different kinds of
- * resources. These minimums are not device type specific
- * but resource type specific.
- */
- if (bridge->flags & IORESOURCE_IO) {
- min_align = log2(DEVICE_IO_ALIGN);
- }
- if (bridge->flags & IORESOURCE_MEM) {
- min_align = log2(DEVICE_MEM_ALIGN);
- }
+ /* For each child which is a bridge, compute_resource_needs. */
+ for (dev = bus->children; dev; dev = dev->sibling) {
+ unsigned i;
+ struct resource *child_bridge;
- /* Make certain I have read in all of the resources */
- read_resources(bus);
+ if (!dev->links)
+ continue;
- /* Remember I haven't found anything yet. */
- resource = 0;
+ /* Find the resources with matching type flags. */
+ for (i = 0; i < dev->resources; i++) {
+ unsigned link;
+ child_bridge = &dev->resource[i];
- /* Walk through all the devices on the current bus and
- * compute the addresses.
- */
- while((dev = largest_resource(bus, &resource, type_mask, type))) {
- resource_t size;
- /* Do NOT I repeat do not ignore resources which have zero size.
- * If they need to be ignored dev->read_resources should not even
- * return them. Some resources must be set even when they have
- * no size. PCI bridge resources are a good example of this.
- */
- /* Make certain we are dealing with a good minimum size */
- size = resource->size;
- align = resource->align;
- if (align < min_align) {
- align = min_align;
- }
+ if (!(child_bridge->flags & IORESOURCE_BRIDGE) ||
+ (child_bridge->flags & type_mask) != type)
+ continue;
- /* Propagate the resource alignment to the bridge register */
- if (align > bridge->align) {
- bridge->align = align;
+ /* Split prefetchable memory if combined. Many domains
+ * use the same address space for prefetchable memory
+ * and non-prefetchable memory. Bridges below them
+ * need it separated. Add the PREFETCH flag to the
+ * type_mask and type.
+ */
+ link = IOINDEX_LINK(child_bridge->index);
+ compute_resources(&dev->link[link], child_bridge,
+ type_mask | IORESOURCE_PREFETCH,
+ type | (child_bridge->flags &
+ IORESOURCE_PREFETCH));
}
+ }
+
+ /* Remember we haven't found anything yet. */
+ resource = NULL;
+
+ /* Walk through all the resources on the current bus and compute the
+ * amount of address space taken by them. Take granularity and
+ * alignment into account.
+ */
+ while ((dev = largest_resource(bus, &resource, type_mask, type))) {
- if (resource->flags & IORESOURCE_FIXED) {
+ /* Size 0 resources can be skipped. */
+ if (!resource->size) {
continue;
}
- /* Propogate the resource limit to the bridge register */
+ /* Propagate the resource alignment to the bridge resource. */
+ if (resource->align > bridge->align) {
+ bridge->align = resource->align;
+ }
+
+ /* Propagate the resource limit to the bridge register. */
if (bridge->limit > resource->limit) {
bridge->limit = resource->limit;
}
-#warning This heuristic should be replaced by real devices with fixed resources.
- /* Artificially deny limits between DEVICE_MEM_HIGH and 0xffffffff */
- if ((bridge->limit > DEVICE_MEM_HIGH) && (bridge->limit <= 0xffffffff)) {
- bridge->limit = DEVICE_MEM_HIGH;
+
+ /* Warn if it looks like APICs aren't declared. */
+ if ((resource->limit == 0xffffffff) &&
+ (resource->flags & IORESOURCE_ASSIGNED)) {
+ printk_err("Resource limit looks wrong! (no APIC?)\n");
+ printk_err("%s %02lx limit %08Lx\n", dev_path(dev),
+ resource->index, resource->limit);
}
if (resource->flags & IORESOURCE_IO) {
- /* Don't allow potential aliases over the
- * legacy pci expansion card addresses.
- * The legacy pci decodes only 10 bits,
- * uses 100h - 3ffh. Therefor, only 0 - ff
- * can be used out of each 400h block of io
- * space.
+ /* Don't allow potential aliases over the legacy PCI
+ * expansion card addresses. The legacy PCI decodes
+ * only 10 bits, uses 0x100 - 0x3ff. Therefore, only
+ * 0x00 - 0xff can be used out of each 0x400 block of
+ * I/O space.
*/
if ((base & 0x300) != 0) {
base = (base & ~0x3ff) + 0x400;
}
- /* Don't allow allocations in the VGA IO range.
+ /* Don't allow allocations in the VGA I/O range.
* PCI has special cases for that.
*/
else if ((base >= 0x3b0) && (base <= 0x3df)) {
base = 0x3e0;
}
}
- if (((round(base, align) + size) -1) <= resource->limit) {
- /* base must be aligned to size */
- base = round(base, align);
- resource->base = base;
- resource->flags |= IORESOURCE_ASSIGNED;
- resource->flags &= ~IORESOURCE_STORED;
- base += size;
-
- printk_spew("%s %02lx * [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_PREFETCH)? "prefmem": "mem");
- }
-#if CONFIG_PCIE_CONFIGSPACE_HOLE
-#warning Handle PCIe hole differently...
- if (base >= 0xf0000000 && base < 0xf4000000) {
- base = 0xf4000000;
- }
-#endif
+ /* Base must be aligned. */
+ base = round(base, resource->align);
+ resource->base = base;
+ base += resource->size;
+
+ printk_spew("%s %02lx * [0x%llx - 0x%llx] %s\n",
+ dev_path(dev), resource->index,
+ resource->base,
+ resource->base + resource->size - 1,
+ (resource->flags & IORESOURCE_IO) ? "io" :
+ (resource->flags & IORESOURCE_PREFETCH) ?
+ "prefmem" : "mem");
}
/* A pci bridge resource does not need to be a power
* of two size, but it does have a minimum granularity.
* know not to place something else at an address postitively
* decoded by the bridge.
*/
- bridge->size = round(base, bridge->gran) - bridge->base;
+ bridge->size = round(base, bridge->gran) -
+ round(bridge->base, bridge->align);
+
+ printk_spew("%s %s_%s: base: %llx size: %llx align: %d gran: %d limit: %llx done\n",
+ dev_path(bus->dev), __func__,
+ (bridge->flags & IORESOURCE_IO) ? "io" :
+ (bridge->flags & IORESOURCE_PREFETCH) ? "prefmem" : "mem",
+ base, bridge->size, bridge->align, bridge->gran, bridge->limit);
+}
+
+/**
+ * This function is the second part of the resource allocator.
+ *
+ * The problem.
+ * - Allocate resource locations for every device.
+ * - Don't overlap, and follow the rules of bridges.
+ * - Don't overlap with resources in fixed locations.
+ * - Be efficient so we don't have ugly strategies.
+ *
+ * The strategy.
+ * - Devices that have fixed addresses are the minority so don't
+ * worry about them too much. Instead only use part of the address
+ * space for devices with programmable addresses. This easily handles
+ * everything except bridges.
+ *
+ * - PCI devices are required to have their sizes and their alignments
+ * equal. In this case an optimal solution to the packing problem
+ * exists. Allocate all devices from highest alignment to least
+ * alignment or vice versa. Use this.
+ *
+ * - So we can handle more than PCI run two allocation passes on bridges. The
+ * first to see how large the resources are behind the bridge, and what
+ * their alignment requirements are. The second to assign a safe address to
+ * the devices behind the bridge. This allows us to treat a bridge as just
+ * a device with a couple of resources, and not need to special case it in
+ * the allocator. Also this allows handling of other types of bridges.
+ *
+ * - This function assigns the resources a value.
+ *
+ * @param bus The bus we are traversing.
+ * @param bridge The bridge resource which must contain the bus' resources.
+ * @param type_mask This value gets anded with the resource type.
+ * @param type This value must match the result of the and.
+ */
+void allocate_resources(struct bus *bus, struct resource *bridge,
+ unsigned long type_mask, unsigned long type)
+{
+ struct device *dev;
+ struct resource *resource;
+ resource_t base;
+ base = bridge->base;
+
+ printk_spew("%s %s_%s: base:%llx size:%llx align:%d gran:%d limit:%llx\n",
+ dev_path(bus->dev), __func__,
+ (type & IORESOURCE_IO) ? "io" : (type & IORESOURCE_PREFETCH) ?
+ "prefmem" : "mem",
+ base, bridge->size, bridge->align, bridge->gran, bridge->limit);
+
+ /* Remember we haven't found anything yet. */
+ resource = NULL;
+
+ /* Walk through all the resources on the current bus and allocate them
+ * address space.
+ */
+ while ((dev = largest_resource(bus, &resource, type_mask, type))) {
+
+ /* Propagate the bridge limit to the resource register. */
+ if (resource->limit > bridge->limit) {
+ resource->limit = bridge->limit;
+ }
+
+ /* Size 0 resources can be skipped. */
+ if (!resource->size) {
+ /* Set the base to limit so it doesn't confuse tolm. */
+ resource->base = resource->limit;
+ resource->flags |= IORESOURCE_ASSIGNED;
+ continue;
+ }
+
+ if (resource->flags & IORESOURCE_IO) {
+ /* Don't allow potential aliases over the legacy PCI
+ * expansion card addresses. The legacy PCI decodes
+ * only 10 bits, uses 0x100 - 0x3ff. Therefore, only
+ * 0x00 - 0xff can be used out of each 0x400 block of
+ * I/O space.
+ */
+ if ((base & 0x300) != 0) {
+ base = (base & ~0x3ff) + 0x400;
+ }
+ /* Don't allow allocations in the VGA I/O range.
+ * PCI has special cases for that.
+ */
+ else if ((base >= 0x3b0) && (base <= 0x3df)) {
+ base = 0x3e0;
+ }
+ }
+
+ if ((round(base, resource->align) + resource->size - 1) <=
+ resource->limit) {
+ /* Base must be aligned. */
+ base = round(base, resource->align);
+ resource->base = base;
+ resource->flags |= IORESOURCE_ASSIGNED;
+ resource->flags &= ~IORESOURCE_STORED;
+ base += resource->size;
+ } else {
+ printk_err("!! Resource didn't fit !!\n");
+ printk_err(" aligned base %llx size %llx limit %llx\n",
+ round(base, resource->align), resource->size,
+ resource->limit);
+ printk_err(" %llx needs to be <= %llx (limit)\n",
+ (round(base, resource->align) +
+ resource->size) - 1, resource->limit);
+ printk_err(" %s%s %02lx * [0x%llx - 0x%llx] %s\n",
+ (resource->
+ flags & IORESOURCE_ASSIGNED) ? "Assigned: " :
+ "", dev_path(dev), resource->index,
+ resource->base,
+ resource->base + resource->size - 1,
+ (resource->
+ flags & IORESOURCE_IO) ? "io" : (resource->
+ flags &
+ IORESOURCE_PREFETCH)
+ ? "prefmem" : "mem");
+ }
+
+ printk_spew("%s%s %02lx * [0x%llx - 0x%llx] %s\n",
+ (resource->flags & IORESOURCE_ASSIGNED) ? "Assigned: "
+ : "",
+ dev_path(dev), resource->index, resource->base,
+ resource->size ? resource->base + resource->size - 1 :
+ resource->base,
+ (resource->flags & IORESOURCE_IO) ? "io" :
+ (resource->flags & IORESOURCE_PREFETCH) ? "prefmem" :
+ "mem");
+ }
+ /* A PCI bridge resource does not need to be a power of two size, but
+ * it does have a minimum granularity. Round the size up to that
+ * minimum granularity so we know not to place something else at an
+ * address positively decoded by the bridge.
+ */
+
+ bridge->flags |= IORESOURCE_ASSIGNED;
+
+ printk_spew("%s %s_%s: next_base: %llx size: %llx align: %d gran: %d done\n",
+ dev_path(bus->dev), __func__,
+ (type & IORESOURCE_IO) ? "io" : (type & IORESOURCE_PREFETCH) ?
+ "prefmem" : "mem",
+ base, bridge->size, bridge->align, bridge->gran);
+
+ /* For each child which is a bridge, allocate_resources. */
+ for (dev = bus->children; dev; dev = dev->sibling) {
+ unsigned i;
+ struct resource *child_bridge;
- printk_spew("%s compute_allocate_resource %s: base: %08Lx size: %08Lx align: %d gran: %d done\n",
- dev_path(bus->dev),
- (bridge->flags & IORESOURCE_IO)? "io":
- (bridge->flags & IORESOURCE_PREFETCH)? "prefmem" : "mem",
- base, bridge->size, bridge->align, bridge->gran);
+ if (!dev->links)
+ continue;
+
+ /* Find the resources with matching type flags. */
+ for (i = 0; i < dev->resources; i++) {
+ unsigned link;
+ child_bridge = &dev->resource[i];
+
+ if (!(child_bridge->flags & IORESOURCE_BRIDGE) ||
+ (child_bridge->flags & type_mask) != type)
+ continue;
+
+ /* Split prefetchable memory if combined. Many domains
+ * use the same address space for prefetchable memory
+ * and non-prefetchable memory. Bridges below them
+ * need it separated. Add the PREFETCH flag to the
+ * type_mask and type.
+ */
+ link = IOINDEX_LINK(child_bridge->index);
+ allocate_resources(&dev->link[link], child_bridge,
+ type_mask | IORESOURCE_PREFETCH,
+ type | (child_bridge->flags &
+ IORESOURCE_PREFETCH));
+ }
+ }
+}
+
+#if CONFIG_PCI_64BIT_PREF_MEM == 1
+ #define MEM_MASK (IORESOURCE_PREFETCH | IORESOURCE_MEM)
+#else
+ #define MEM_MASK (IORESOURCE_MEM)
+#endif
+#define IO_MASK (IORESOURCE_IO)
+#define PREF_TYPE (IORESOURCE_PREFETCH | IORESOURCE_MEM)
+#define MEM_TYPE (IORESOURCE_MEM)
+#define IO_TYPE (IORESOURCE_IO)
+
+struct constraints {
+ struct resource pref, io, mem;
+};
+
+static void constrain_resources(struct device *dev, struct constraints* limits)
+{
+ struct device *child;
+ struct resource *res;
+ struct resource *lim;
+ int i;
+
+ printk_spew("%s: %s\n", __func__, dev_path(dev));
+
+ /* Constrain limits based on the fixed resources of this device. */
+ for (i = 0; i < dev->resources; i++) {
+ res = &dev->resource[i];
+ if (!(res->flags & IORESOURCE_FIXED))
+ continue;
+
+ /* PREFETCH, MEM, or I/O - skip any others. */
+ if ((res->flags & MEM_MASK) == PREF_TYPE)
+ lim = &limits->pref;
+ else if ((res->flags & MEM_MASK) == MEM_TYPE)
+ lim = &limits->mem;
+ else if ((res->flags & IO_MASK) == IO_TYPE)
+ lim = &limits->io;
+ else
+ continue;
+
+ /* Is it already outside the limits? */
+ if (res->size && (((res->base + res->size -1) < lim->base) ||
+ (res->base > lim->limit)))
+ continue;
+
+ /* Choose to be above or below fixed resources. This
+ * check is signed so that "negative" amounts of space
+ * are handled correctly.
+ */
+ if ((signed long long)(lim->limit - (res->base + res->size -1)) >
+ (signed long long)(res->base - lim->base))
+ lim->base = res->base + res->size;
+ else
+ lim->limit = res->base -1;
+ }
+
+ /* Descend into every enabled child and look for fixed resources. */
+ for (i = 0; i < dev->links; i++)
+ for (child = dev->link[i].children; child;
+ child = child->sibling)
+ if (child->enabled)
+ constrain_resources(child, limits);
+}
+
+static void avoid_fixed_resources(struct device *dev)
+{
+ struct constraints limits;
+ struct resource *res;
+ int i;
+
+ printk_spew("%s: %s\n", __func__, dev_path(dev));
+ /* Initialize constraints to maximum size. */
+
+ limits.pref.base = 0;
+ limits.pref.limit = 0xffffffffffffffffULL;
+ limits.io.base = 0;
+ limits.io.limit = 0xffffffffffffffffULL;
+ limits.mem.base = 0;
+ limits.mem.limit = 0xffffffffffffffffULL;
+
+ /* Constrain the limits to dev's initial resources. */
+ for (i = 0; i < dev->resources; i++) {
+ res = &dev->resource[i];
+ if ((res->flags & IORESOURCE_FIXED))
+ continue;
+ printk_spew("%s:@%s %02lx limit %08Lx\n", __func__,
+ dev_path(dev), res->index, res->limit);
+ if ((res->flags & MEM_MASK) == PREF_TYPE &&
+ (res->limit < limits.pref.limit))
+ limits.pref.limit = res->limit;
+ if ((res->flags & MEM_MASK) == MEM_TYPE &&
+ (res->limit < limits.mem.limit))
+ limits.mem.limit = res->limit;
+ if ((res->flags & IO_MASK) == IO_TYPE &&
+ (res->limit < limits.io.limit))
+ limits.io.limit = res->limit;
+ }
+
+ /* Look through the tree for fixed resources and update the limits. */
+ constrain_resources(dev, &limits);
+
+ /* Update dev's resources with new limits. */
+ for (i = 0; i < dev->resources; i++) {
+ struct resource *lim;
+ res = &dev->resource[i];
+
+ if ((res->flags & IORESOURCE_FIXED))
+ continue;
+
+ /* PREFETCH, MEM, or I/O - skip any others. */
+ if ((res->flags & MEM_MASK) == PREF_TYPE)
+ lim = &limits.pref;
+ else if ((res->flags & MEM_MASK) == MEM_TYPE)
+ lim = &limits.mem;
+ else if ((res->flags & IO_MASK) == IO_TYPE)
+ lim = &limits.io;
+ else
+ continue;
+
+ printk_spew("%s2: %s@%02lx limit %08Lx\n", __func__,
+ dev_path(dev), res->index, res->limit);
+ printk_spew("\tlim->base %08Lx lim->limit %08Lx\n",
+ lim->base, lim->limit);
+
+ /* Is the resource outside the limits? */
+ if (lim->base > res->base)
+ res->base = lim->base;
+ if (res->limit > lim->limit)
+ res->limit = lim->limit;
+ }
}
#if CONFIG_CONSOLE_VGA == 1
static void allocate_vga_resource(void)
{
#warning "FIXME modify allocate_vga_resource so it is less pci centric!"
-#warning "This function knows to much about PCI stuff, it should be just a ietrator/visitor."
+#warning "This function knows too much about PCI stuff, it should be just a iterator/visitor."
- /* FIXME handle the VGA pallette snooping */
+ /* FIXME: Handle the VGA palette snooping. */
struct device *dev, *vga, *vga_onboard, *vga_first, *vga_last;
struct bus *bus;
bus = 0;
vga_onboard = 0;
vga_first = 0;
vga_last = 0;
- for(dev = all_devices; dev; dev = dev->next) {
- if (!dev->enabled) continue;
+ for (dev = all_devices; dev; dev = dev->next) {
+ if (!dev->enabled)
+ continue;
if (((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) &&
- ((dev->class >> 8) != PCI_CLASS_DISPLAY_OTHER))
- {
- if (!vga_first) {
- if (dev->on_mainboard) {
- vga_onboard = dev;
- } else {
- vga_first = dev;
- }
- } else {
- if (dev->on_mainboard) {
- vga_onboard = dev;
- } else {
- vga_last = dev;
- }
- }
-
- /* It isn't safe to enable other VGA cards */
+ ((dev->class >> 8) != PCI_CLASS_DISPLAY_OTHER)) {
+ if (!vga_first) {
+ if (dev->on_mainboard) {
+ vga_onboard = dev;
+ } else {
+ vga_first = dev;
+ }
+ } else {
+ if (dev->on_mainboard) {
+ vga_onboard = dev;
+ } else {
+ vga_last = dev;
+ }
+ }
+
+ /* It isn't safe to enable other VGA cards. */
dev->command &= ~(PCI_COMMAND_MEMORY | PCI_COMMAND_IO);
}
}
- vga = vga_last;
-
- if(!vga) {
- vga = vga_first;
- }
+ vga = vga_last;
+ if (!vga) {
+ vga = vga_first;
+ }
#if CONFIG_CONSOLE_VGA_ONBOARD_AT_FIRST == 1
- if (vga_onboard) // will use on board vga as pri
+ if (vga_onboard) // Will use on board VGA as pri.
#else
- if (!vga) // will use last add on adapter as pri
+ if (!vga) // Will use last add on adapter as pri.
#endif
- {
- vga = vga_onboard;
- }
-
+ {
+ vga = vga_onboard;
+ }
if (vga) {
- /* vga is first add on card or the only onboard vga */
+ /* VGA is first add on card or the only onboard VGA. */
printk_debug("Allocating VGA resource %s\n", dev_path(vga));
- /* All legacy VGA cards have MEM & I/O space registers */
+ /* All legacy VGA cards have MEM & I/O space registers. */
vga->command |= (PCI_COMMAND_MEMORY | PCI_COMMAND_IO);
vga_pri = vga;
bus = vga->bus;
}
- /* Now walk up the bridges setting the VGA enable */
- while(bus) {
+ /* Now walk up the bridges setting the VGA enable. */
+ while (bus) {
printk_debug("Setting PCI_BRIDGE_CTL_VGA for bridge %s\n",
dev_path(bus->dev));
bus->bridge_ctrl |= PCI_BRIDGE_CTL_VGA;
- bus = (bus == bus->dev->bus)? 0 : bus->dev->bus;
+ bus = (bus == bus->dev->bus) ? 0 : bus->dev->bus;
}
}
#endif
-
/**
* @brief Assign the computed resources to the devices on the bus.
*
struct device *curdev;
printk_spew("%s assign_resources, bus %d link: %d\n",
- dev_path(bus->dev), bus->secondary, bus->link);
+ dev_path(bus->dev), bus->secondary, bus->link);
- for(curdev = bus->children; curdev; curdev = curdev->sibling) {
+ for (curdev = bus->children; curdev; curdev = curdev->sibling) {
if (!curdev->enabled || !curdev->resources) {
continue;
}
if (!curdev->ops || !curdev->ops->set_resources) {
printk_err("%s missing set_resources\n",
- dev_path(curdev));
+ dev_path(curdev));
continue;
}
curdev->ops->set_resources(curdev);
}
printk_spew("%s assign_resources, bus %d link: %d\n",
- dev_path(bus->dev), bus->secondary, bus->link);
+ dev_path(bus->dev), bus->secondary, bus->link);
}
/**
*/
int reset_bus(struct bus *bus)
{
- if (bus && bus->dev && bus->dev->ops && bus->dev->ops->reset_bus)
- {
+ if (bus && bus->dev && bus->dev->ops && bus->dev->ops->reset_bus) {
bus->dev->ops->reset_bus(bus);
bus->reset_needed = 0;
return 1;
/**
* @brief Scan for devices on a bus.
*
- * If there are bridges on the bus, recursively scan the buses behind the bridges.
- * If the setting up and tuning of the bus causes a reset to be required,
- * reset the bus and scan it again.
+ * If there are bridges on the bus, recursively scan the buses behind the
+ * bridges. If the setting up and tuning of the bus causes a reset to be
+ * required, reset the bus and scan it again.
*
- * @param bus pointer to the bus device
- * @param max current bus number
- *
- * @return The maximum bus number found, after scanning all subordinate busses
+ * @param busdev Pointer to the bus device.
+ * @param max Current bus number.
+ * @return The maximum bus number found, after scanning all subordinate buses.
*/
-unsigned int scan_bus(device_t bus, unsigned int max)
+unsigned int scan_bus(struct device *busdev, unsigned int max)
{
unsigned int new_max;
int do_scan_bus;
- if ( !bus ||
- !bus->enabled ||
- !bus->ops ||
- !bus->ops->scan_bus)
- {
+ if (!busdev || !busdev->enabled || !busdev->ops ||
+ !busdev->ops->scan_bus) {
return max;
}
+
do_scan_bus = 1;
- while(do_scan_bus) {
+ while (do_scan_bus) {
int link;
- new_max = bus->ops->scan_bus(bus, max);
+ new_max = busdev->ops->scan_bus(busdev, max);
do_scan_bus = 0;
- for(link = 0; link < bus->links; link++) {
- if (bus->link[link].reset_needed) {
- if (reset_bus(&bus->link[link])) {
+ for (link = 0; link < busdev->links; link++) {
+ if (busdev->link[link].reset_needed) {
+ if (reset_bus(&busdev->link[link])) {
do_scan_bus = 1;
} else {
- bus->bus->reset_needed = 1;
+ busdev->bus->reset_needed = 1;
}
}
}
return new_max;
}
-
/**
* @brief Determine the existence of devices and extend the device tree.
*
printk_info("Enumerating buses...\n");
root = &dev_root;
- show_all_devs(BIOS_DEBUG, "Before Phase 3.");
+ show_all_devs(BIOS_DEBUG, "Before Device Enumeration.");
printk_debug("Compare with tree...\n");
show_devs_tree(root, BIOS_DEBUG, 0, 0);
* requried by each device. In the second pass, the resources ranges are
* relocated to their final position and stored to the hardware.
*
- * I/O resources start at DEVICE_IO_START and grow upward. MEM resources start
- * at DEVICE_MEM_HIGH and grow downward.
+ * I/O resources grow upward. MEM resources grow downward.
*
* Since the assignment is hierarchical we set the values into the dev_root
* struct.
*/
void dev_configure(void)
{
- struct resource *io, *mem;
+ struct resource *res;
struct device *root;
+ struct device *child;
+ int i;
printk_info("Allocating resources...\n");
root = &dev_root;
- print_resource_tree(root, BIOS_DEBUG, "Original.");
+ /* Each domain should create resources which contain the entire address
+ * space for IO, MEM, and PREFMEM resources in the domain. The
+ * allocation of device resources will be done from this address space.
+ */
- if (!root->ops || !root->ops->read_resources) {
- printk_err("dev_root missing read_resources\n");
- return;
- }
- if (!root->ops || !root->ops->set_resources) {
- printk_err("dev_root missing set_resources\n");
- return;
- }
+ /* Read the resources for the entire tree. */
printk_info("Reading resources...\n");
- root->ops->read_resources(root);
+ read_resources(&root->link[0]);
printk_info("Done reading resources.\n");
print_resource_tree(root, BIOS_DEBUG, "After reading.");
- /* Get the resources */
- io = &root->resource[0];
- mem = &root->resource[1];
- /* Make certain the io devices are allocated somewhere safe. */
- io->base = DEVICE_IO_START;
- io->flags |= IORESOURCE_ASSIGNED;
- io->flags &= ~IORESOURCE_STORED;
- /* Now reallocate the pci resources memory with the
- * highest addresses I can manage.
+ /* Compute resources for all domains. */
+ for (child = root->link[0].children; child; child = child->sibling) {
+ if (!(child->path.type == DEVICE_PATH_PCI_DOMAIN))
+ continue;
+ for (i = 0; i < child->resources; i++) {
+ res = &child->resource[i];
+ if (res->flags & IORESOURCE_FIXED)
+ continue;
+ if (res->flags & IORESOURCE_PREFETCH) {
+ compute_resources(&child->link[0],
+ res, MEM_MASK, PREF_TYPE);
+ continue;
+ }
+ if (res->flags & IORESOURCE_MEM) {
+ compute_resources(&child->link[0],
+ res, MEM_MASK, MEM_TYPE);
+ continue;
+ }
+ if (res->flags & IORESOURCE_IO) {
+ compute_resources(&child->link[0],
+ res, IO_MASK, IO_TYPE);
+ continue;
+ }
+ }
+ }
+
+ /* For all domains. */
+ for (child = root->link[0].children; child; child=child->sibling)
+ if (child->path.type == DEVICE_PATH_PCI_DOMAIN)
+ avoid_fixed_resources(child);
+
+ /* Now we need to adjust the resources. MEM resources need to start at
+ * the highest address managable.
*/
- mem->base = resource_max(&root->resource[1]);
- mem->flags |= IORESOURCE_ASSIGNED;
- mem->flags &= ~IORESOURCE_STORED;
+ for (child = root->link[0].children; child; child = child->sibling) {
+ if (child->path.type != DEVICE_PATH_PCI_DOMAIN)
+ continue;
+ for (i = 0; i < child->resources; i++) {
+ res = &child->resource[i];
+ if (!(res->flags & IORESOURCE_MEM) ||
+ res->flags & IORESOURCE_FIXED)
+ continue;
+ res->base = resource_max(res);
+ }
+ }
#if CONFIG_CONSOLE_VGA == 1
- /* Allocate the VGA I/O resource.. */
+ /* Allocate the VGA I/O resource. */
allocate_vga_resource();
print_resource_tree(root, BIOS_DEBUG, "After VGA.");
#endif
/* Store the computed resource allocations into device registers ... */
printk_info("Setting resources...\n");
- root->ops->set_resources(root);
+ for (child = root->link[0].children; child; child = child->sibling) {
+ if (!(child->path.type == DEVICE_PATH_PCI_DOMAIN))
+ continue;
+ for (i = 0; i < child->resources; i++) {
+ res = &child->resource[i];
+ if (res->flags & IORESOURCE_FIXED)
+ continue;
+ if (res->flags & IORESOURCE_PREFETCH) {
+ allocate_resources(&child->link[0],
+ res, MEM_MASK, PREF_TYPE);
+ continue;
+ }
+ if (res->flags & IORESOURCE_MEM) {
+ allocate_resources(&child->link[0],
+ res, MEM_MASK, MEM_TYPE);
+ continue;
+ }
+ if (res->flags & IORESOURCE_IO) {
+ allocate_resources(&child->link[0],
+ res, IO_MASK, IO_TYPE);
+ continue;
+ }
+ }
+ }
+ assign_resources(&root->link[0]);
printk_info("Done setting resources.\n");
-#if 0
- mem->flags |= IORESOURCE_STORED;
- report_resource_stored(root, mem, "");
-#endif
print_resource_tree(root, BIOS_DEBUG, "After assigning values.");
printk_info("Done allocating resources.\n");
struct device *dev;
printk_info("Initializing devices...\n");
- for(dev = all_devices; dev; dev = dev->next) {
+ for (dev = all_devices; dev; dev = dev->next) {
if (dev->enabled && !dev->initialized &&
- dev->ops && dev->ops->init)
- {
+ dev->ops && dev->ops->init) {
if (dev->path.type == DEVICE_PATH_I2C) {
- printk_debug("smbus: %s[%d]->",
- dev_path(dev->bus->dev), dev->bus->link);
+ printk_debug("smbus: %s[%d]->",
+ dev_path(dev->bus->dev),
+ dev->bus->link);
}
printk_debug("%s init\n", dev_path(dev));
dev->initialized = 1;
printk_info("Devices initialized\n");
show_all_devs(BIOS_DEBUG, "After init.");
}
-
for(curdev = bus->children; curdev; curdev = curdev->sibling) {
int i;
/* Ignore disabled devices */
- if (!curdev->have_resources) continue;
+ if (!curdev->enabled) continue;
for(i = 0; i < curdev->resources; i++) {
struct resource *resource = &curdev->resource[i];
/* If it isn't the right kind of resource ignore it */
for(curdev = all_devices; curdev; curdev = curdev->next) {
int i;
/* Ignore disabled devices */
- if (!curdev->have_resources) continue;
+ if (!curdev->enabled) continue;
for(i = 0; i < curdev->resources; i++) {
struct resource *resource = &curdev->resource[i];
/* If it isn't the right kind of resource ignore it */
*/
/*
- * PCI Bus Services, see include/linux/pci.h for further explanation.
+ * PCI Bus Services, see include/linux/pci.h for further explanation.
*
- * Copyright 1993 -- 1997 Drew Eckhardt, Frederic Potter,
- * David Mosberger-Tang
+ * Copyright 1993 -- 1997 Drew Eckhardt, Frederic Potter,
+ * David Mosberger-Tang
*
- * Copyright 1997 -- 1999 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
+ * Copyright 1997 -- 1999 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
*/
#include <console/console.h>
#include <device/cardbus.h>
#endif
-uint8_t pci_moving_config8(struct device *dev, unsigned reg)
+u8 pci_moving_config8(struct device *dev, unsigned int reg)
{
- uint8_t value, ones, zeroes;
+ u8 value, ones, zeroes;
value = pci_read_config8(dev, reg);
pci_write_config8(dev, reg, 0xff);
return ones ^ zeroes;
}
-uint16_t pci_moving_config16(struct device *dev, unsigned reg)
+u16 pci_moving_config16(struct device * dev, unsigned int reg)
{
- uint16_t value, ones, zeroes;
+ u16 value, ones, zeroes;
value = pci_read_config16(dev, reg);
pci_write_config16(dev, reg, 0xffff);
return ones ^ zeroes;
}
-uint32_t pci_moving_config32(struct device *dev, unsigned reg)
+u32 pci_moving_config32(struct device * dev, unsigned int reg)
{
- uint32_t value, ones, zeroes;
+ u32 value, ones, zeroes;
value = pci_read_config32(dev, reg);
pci_write_config32(dev, reg, 0xffffffff);
return ones ^ zeroes;
}
-unsigned pci_find_next_capability(device_t dev, unsigned cap, unsigned last)
+/**
+ * Given a device, a capability type, and a last position, return the next
+ * matching capability. Always start at the head of the list.
+ *
+ * @param dev Pointer to the device structure.
+ * @param cap_type PCI_CAP_LIST_ID of the PCI capability we're looking for.
+ * @param last Location of the PCI capability register to start from.
+ */
+unsigned pci_find_next_capability(struct device *dev, unsigned cap,
+ unsigned last)
{
unsigned pos;
unsigned status;
if (!(status & PCI_STATUS_CAP_LIST)) {
return 0;
}
- switch(dev->hdr_type & 0x7f) {
+ switch (dev->hdr_type & 0x7f) {
case PCI_HEADER_TYPE_NORMAL:
case PCI_HEADER_TYPE_BRIDGE:
pos = PCI_CAPABILITY_LIST;
return 0;
}
pos = pci_read_config8(dev, pos);
- while(reps-- && (pos >= 0x40)) { /* loop through the linked list */
+ while (reps-- && (pos >= 0x40)) { /* Loop through the linked list. */
int this_cap;
pos &= ~3;
this_cap = pci_read_config8(dev, pos + PCI_CAP_LIST_ID);
- printk_spew("Capability: 0x%02x @ 0x%02x\n", cap, pos);
+ printk_spew("Capability: type 0x%02x @ 0x%02x\n", this_cap,
+ pos);
if (this_cap == 0xff) {
break;
}
return 0;
}
+/**
+ * Given a device, and a capability type, return the next matching
+ * capability. Always start at the head of the list.
+ *
+ * @param dev Pointer to the device structure.
+ * @param cap_type PCI_CAP_LIST_ID of the PCI capability we're looking for.
+ */
unsigned pci_find_capability(device_t dev, unsigned cap)
{
return pci_find_next_capability(dev, cap, 0);
-
}
-/** Given a device and register, read the size of the BAR for that register.
- * @param dev Pointer to the device structure
- * @param resource Pointer to the resource structure
- * @param index Address of the pci configuration register
+/**
+ * Given a device and register, read the size of the BAR for that register.
+ *
+ * @param dev Pointer to the device structure.
+ * @param index Address of the PCI configuration register.
*/
struct resource *pci_get_resource(struct device *dev, unsigned long index)
{
struct resource *resource;
unsigned long value, attr;
- resource_t moving, limit;
+ resource_t moving, limit;
- /* Initialize the resources to nothing */
+ /* Initialize the resources to nothing. */
resource = new_resource(dev, index);
- /* Get the initial value */
+ /* Get the initial value. */
value = pci_read_config32(dev, index);
- /* See which bits move */
+ /* See which bits move. */
moving = pci_moving_config32(dev, index);
- /* Initialize attr to the bits that do not move */
+ /* Initialize attr to the bits that do not move. */
attr = value & ~moving;
- /* If it is a 64bit resource look at the high half as well */
+ /* If it is a 64bit resource look at the high half as well. */
if (((attr & PCI_BASE_ADDRESS_SPACE_IO) == 0) &&
- ((attr & PCI_BASE_ADDRESS_MEM_LIMIT_MASK) == PCI_BASE_ADDRESS_MEM_LIMIT_64))
- {
- /* Find the high bits that move */
- moving |= ((resource_t)pci_moving_config32(dev, index + 4)) << 32;
+ ((attr & PCI_BASE_ADDRESS_MEM_LIMIT_MASK) ==
+ PCI_BASE_ADDRESS_MEM_LIMIT_64)) {
+ /* Find the high bits that move. */
+ moving |=
+ ((resource_t) pci_moving_config32(dev, index + 4)) << 32;
}
/* Find the resource constraints.
- *
* Start by finding the bits that move. From there:
* - Size is the least significant bit of the bits that move.
* - Limit is all of the bits that move plus all of the lower bits.
- * See PCI Spec 6.2.5.1 ...
+ * See PCI Spec 6.2.5.1.
*/
limit = 0;
if (moving) {
resource->size = 1;
resource->align = resource->gran = 0;
- while(!(moving & resource->size)) {
+ while (!(moving & resource->size)) {
resource->size <<= 1;
resource->align += 1;
- resource->gran += 1;
+ resource->gran += 1;
}
resource->limit = limit = moving | (resource->size - 1);
}
- /*
- * some broken hardware has read-only registers that do not
+
+ /* Some broken hardware has read-only registers that do not
* really size correctly.
- * Example: the acer m7229 has BARs 1-4 normally read-only.
+ * Example: the Acer M7229 has BARs 1-4 normally read-only.
* so BAR1 at offset 0x10 reads 0x1f1. If you size that register
* by writing 0xffffffff to it, it will read back as 0x1f1 -- a
* violation of the spec.
*/
if (moving == 0) {
if (value != 0) {
- printk_debug(
- "%s register %02lx(%08lx), read-only ignoring it\n",
- dev_path(dev), index, value);
+ printk_debug
+ ("%s register %02lx(%08lx), read-only ignoring it\n",
+ dev_path(dev), index, value);
}
resource->flags = 0;
- }
- else if (attr & PCI_BASE_ADDRESS_SPACE_IO) {
- /* An I/O mapped base address */
+ } else if (attr & PCI_BASE_ADDRESS_SPACE_IO) {
+ /* An I/O mapped base address. */
attr &= PCI_BASE_ADDRESS_IO_ATTR_MASK;
resource->flags |= IORESOURCE_IO;
- /* I don't want to deal with 32bit I/O resources */
+ /* I don't want to deal with 32bit I/O resources. */
resource->limit = 0xffff;
- }
- else {
- /* A Memory mapped base address */
+ } else {
+ /* A Memory mapped base address. */
attr &= PCI_BASE_ADDRESS_MEM_ATTR_MASK;
resource->flags |= IORESOURCE_MEM;
if (attr & PCI_BASE_ADDRESS_MEM_PREFETCH) {
}
attr &= PCI_BASE_ADDRESS_MEM_LIMIT_MASK;
if (attr == PCI_BASE_ADDRESS_MEM_LIMIT_32) {
- /* 32bit limit */
+ /* 32bit limit. */
resource->limit = 0xffffffffUL;
- }
- else if (attr == PCI_BASE_ADDRESS_MEM_LIMIT_1M) {
- /* 1MB limit */
+ } else if (attr == PCI_BASE_ADDRESS_MEM_LIMIT_1M) {
+ /* 1MB limit. */
resource->limit = 0x000fffffUL;
- }
- else if (attr == PCI_BASE_ADDRESS_MEM_LIMIT_64) {
- /* 64bit limit */
+ } else if (attr == PCI_BASE_ADDRESS_MEM_LIMIT_64) {
+ /* 64bit limit. */
resource->limit = 0xffffffffffffffffULL;
resource->flags |= IORESOURCE_PCI64;
- }
- else {
- /* Invalid value */
+ } else {
+ /* Invalid value. */
+ printk_err("Broken BAR with value %lx\n", attr);
+ printk_err(" on dev %s at index %02lx\n",
+ dev_path(dev), index);
resource->flags = 0;
}
}
- /* Don't let the limit exceed which bits can move */
+ /* Don't let the limit exceed which bits can move. */
if (resource->limit > limit) {
resource->limit = limit;
}
-#if 0
- if (resource->flags) {
- printk_debug("%s %02x ->",
- dev_path(dev), resource->index);
- printk_debug(" value: 0x%08Lx zeroes: 0x%08Lx ones: 0x%08Lx attr: %08lx\n",
- value, zeroes, ones, attr);
- printk_debug(
- "%s %02x -> size: 0x%08Lx max: 0x%08Lx %s\n ",
- dev_path(dev),
- resource->index,
- resource->size, resource->limit,
- resource_type(resource));
- }
-#endif
return resource;
}
+/**
+ * Given a device and an index, read the size of the BAR for that register.
+ *
+ * @param dev Pointer to the device structure.
+ * @param index Address of the PCI configuration register.
+ */
static void pci_get_rom_resource(struct device *dev, unsigned long index)
{
struct resource *resource;
unsigned long value;
- resource_t moving;
+ resource_t moving;
- if ((dev->on_mainboard) && (dev->rom_address == 0)) {
- //skip it if rom_address is not set in MB Config.lb
- return;
- }
+ if ((dev->on_mainboard) && (dev->rom_address == 0)) {
+ /* Skip it if rom_address is not set in the MB Config.lb. */
+ return;
+ }
- /* Initialize the resources to nothing */
+ /* Initialize the resources to nothing. */
resource = new_resource(dev, index);
- /* Get the initial value */
+ /* Get the initial value. */
value = pci_read_config32(dev, index);
- /* See which bits move */
+ /* See which bits move. */
moving = pci_moving_config32(dev, index);
- /* clear the Enable bit */
+
+ /* Clear the Enable bit. */
moving = moving & ~PCI_ROM_ADDRESS_ENABLE;
/* Find the resource constraints.
- *
* Start by finding the bits that move. From there:
* - Size is the least significant bit of the bits that move.
* - Limit is all of the bits that move plus all of the lower bits.
- * See PCI Spec 6.2.5.1 ...
+ * See PCI Spec 6.2.5.1.
*/
if (moving) {
resource->size = 1;
while (!(moving & resource->size)) {
resource->size <<= 1;
resource->align += 1;
- resource->gran += 1;
+ resource->gran += 1;
}
resource->limit = moving | (resource->size - 1);
- }
-
- if (moving == 0) {
+ resource->flags |= IORESOURCE_MEM | IORESOURCE_READONLY;
+ } else {
if (value != 0) {
- printk_debug("%s register %02lx(%08lx), read-only ignoring it\n",
- dev_path(dev), index, value);
+ printk_debug
+ ("%s register %02lx(%08lx), read-only ignoring it\n",
+ dev_path(dev), index, value);
}
resource->flags = 0;
- } else {
- resource->flags |= IORESOURCE_MEM | IORESOURCE_READONLY;
}
- /* for on board device with embedded ROM image, the ROM image is at
+ /* For on board device with embedded ROM image, the ROM image is at
* fixed address specified in the Config.lb, the dev->rom_address is
* inited by driver_pci_onboard_ops::enable_dev() */
if ((dev->on_mainboard) && (dev->rom_address != 0)) {
- resource->base = dev->rom_address;
+ resource->base = dev->rom_address;
resource->flags |= IORESOURCE_MEM | IORESOURCE_READONLY |
- IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
compact_resources(dev);
}
-/** Read the base address registers for a given device.
- * @param dev Pointer to the dev structure
- * @param howmany How many registers to read (6 for device, 2 for bridge)
+/**
+ * Read the base address registers for a given device.
+ *
+ * @param dev Pointer to the dev structure.
+ * @param howmany How many registers to read (6 for device, 2 for bridge).
*/
static void pci_read_bases(struct device *dev, unsigned int howmany)
{
unsigned long index;
- for(index = PCI_BASE_ADDRESS_0; (index < PCI_BASE_ADDRESS_0 + (howmany << 2)); ) {
+ for (index = PCI_BASE_ADDRESS_0;
+ (index < PCI_BASE_ADDRESS_0 + (howmany << 2));) {
struct resource *resource;
resource = pci_get_resource(dev, index);
- index += (resource->flags & IORESOURCE_PCI64)?8:4;
+ index += (resource->flags & IORESOURCE_PCI64) ? 8 : 4;
}
compact_resources(dev);
}
-static void pci_set_resource(struct device *dev, struct resource *resource);
-
-static void pci_record_bridge_resource(
- struct device *dev, resource_t moving,
- unsigned index, unsigned long mask, unsigned long type)
+static void pci_record_bridge_resource(struct device *dev, resource_t moving,
+ unsigned index, unsigned long type)
{
- /* Initiliaze the constraints on the current bus */
+ /* Initialize the constraints on the current bus. */
struct resource *resource;
- resource = 0;
+ resource = NULL;
if (moving) {
unsigned long gran;
resource_t step;
resource->size = 0;
gran = 0;
step = 1;
- while((moving & step) == 0) {
+ while ((moving & step) == 0) {
gran += 1;
step <<= 1;
}
resource->gran = gran;
resource->align = gran;
resource->limit = moving | (step - 1);
- resource->flags = type | IORESOURCE_PCI_BRIDGE;
- compute_allocate_resource(&dev->link[0], resource, mask, type);
- /* If there is nothing behind the resource,
- * clear it and forget it.
- */
- if (resource->size == 0) {
-#if CONFIG_PCI_64BIT_PREF_MEM == 1
- resource->base = moving;
-#else
- resource->base = moving & 0xffffffff;
-#endif
- resource->flags |= IORESOURCE_ASSIGNED;
- resource->flags &= ~IORESOURCE_STORED;
- pci_set_resource(dev, resource);
- resource->flags = 0;
- }
+ resource->flags = type | IORESOURCE_PCI_BRIDGE |
+ IORESOURCE_BRIDGE;
}
return;
}
{
resource_t moving_base, moving_limit, moving;
- /* See if the bridge I/O resources are implemented */
- moving_base = ((uint32_t)pci_moving_config8(dev, PCI_IO_BASE)) << 8;
- moving_base |= ((uint32_t)pci_moving_config16(dev, PCI_IO_BASE_UPPER16)) << 16;
+ /* See if the bridge I/O resources are implemented. */
+ moving_base = ((u32) pci_moving_config8(dev, PCI_IO_BASE)) << 8;
+ moving_base |=
+ ((u32) pci_moving_config16(dev, PCI_IO_BASE_UPPER16)) << 16;
- moving_limit = ((uint32_t)pci_moving_config8(dev, PCI_IO_LIMIT)) << 8;
- moving_limit |= ((uint32_t)pci_moving_config16(dev, PCI_IO_LIMIT_UPPER16)) << 16;
+ moving_limit = ((u32) pci_moving_config8(dev, PCI_IO_LIMIT)) << 8;
+ moving_limit |=
+ ((u32) pci_moving_config16(dev, PCI_IO_LIMIT_UPPER16)) << 16;
moving = moving_base & moving_limit;
- /* Initialize the io space constraints on the current bus */
- pci_record_bridge_resource(
- dev, moving, PCI_IO_BASE,
- IORESOURCE_IO, IORESOURCE_IO);
+ /* Initialize the I/O space constraints on the current bus. */
+ pci_record_bridge_resource(dev, moving, PCI_IO_BASE, IORESOURCE_IO);
+ /* See if the bridge prefmem resources are implemented. */
+ moving_base =
+ ((resource_t) pci_moving_config16(dev, PCI_PREF_MEMORY_BASE)) << 16;
+ moving_base |=
+ ((resource_t) pci_moving_config32(dev, PCI_PREF_BASE_UPPER32)) <<
+ 32;
- /* See if the bridge prefmem resources are implemented */
- moving_base = ((resource_t)pci_moving_config16(dev, PCI_PREF_MEMORY_BASE)) << 16;
- moving_base |= ((resource_t)pci_moving_config32(dev, PCI_PREF_BASE_UPPER32)) << 32;
-
- moving_limit = ((resource_t)pci_moving_config16(dev, PCI_PREF_MEMORY_LIMIT)) << 16;
- moving_limit |= ((resource_t)pci_moving_config32(dev, PCI_PREF_LIMIT_UPPER32)) << 32;
+ moving_limit =
+ ((resource_t) pci_moving_config16(dev, PCI_PREF_MEMORY_LIMIT)) <<
+ 16;
+ moving_limit |=
+ ((resource_t) pci_moving_config32(dev, PCI_PREF_LIMIT_UPPER32)) <<
+ 32;
moving = moving_base & moving_limit;
- /* Initiliaze the prefetchable memory constraints on the current bus */
- pci_record_bridge_resource(
- dev, moving, PCI_PREF_MEMORY_BASE,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- IORESOURCE_MEM | IORESOURCE_PREFETCH);
-
+ /* Initialize the prefetchable memory constraints on the current bus. */
+ pci_record_bridge_resource(dev, moving, PCI_PREF_MEMORY_BASE,
+ IORESOURCE_MEM | IORESOURCE_PREFETCH);
- /* See if the bridge mem resources are implemented */
- moving_base = ((uint32_t)pci_moving_config16(dev, PCI_MEMORY_BASE)) << 16;
- moving_limit = ((uint32_t)pci_moving_config16(dev, PCI_MEMORY_LIMIT)) << 16;
+ /* See if the bridge mem resources are implemented. */
+ moving_base = ((u32) pci_moving_config16(dev, PCI_MEMORY_BASE)) << 16;
+ moving_limit = ((u32) pci_moving_config16(dev, PCI_MEMORY_LIMIT)) << 16;
moving = moving_base & moving_limit;
- /* Initialize the memory resources on the current bus */
- pci_record_bridge_resource(
- dev, moving, PCI_MEMORY_BASE,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- IORESOURCE_MEM);
+ /* Initialize the memory resources on the current bus. */
+ pci_record_bridge_resource(dev, moving, PCI_MEMORY_BASE,
+ IORESOURCE_MEM);
compact_resources(dev);
}
pci_get_rom_resource(dev, PCI_ROM_ADDRESS1);
}
+void pci_domain_read_resources(struct device *dev)
+{
+ struct resource *res;
+
+ /* Initialize the system-wide I/O space constraints. */
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
+ res->limit = 0xffffUL;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED;
+
+ /* Initialize the system-wide memory resources constraints. */
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
+ res->limit = 0xffffffffULL;
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED;
+}
+
static void pci_set_resource(struct device *dev, struct resource *resource)
{
resource_t base, end;
- /* Make certain the resource has actually been set */
+ /* Make certain the resource has actually been assigned a value. */
if (!(resource->flags & IORESOURCE_ASSIGNED)) {
- printk_err("ERROR: %s %02lx %s size: 0x%010Lx not assigned\n",
- dev_path(dev), resource->index,
- resource_type(resource),
- resource->size);
+ printk_err("ERROR: %s %02lx %s size: 0x%010llx not assigned\n",
+ dev_path(dev), resource->index,
+ resource_type(resource), resource->size);
return;
}
- /* If I have already stored this resource don't worry about it */
+ /* If I have already stored this resource don't worry about it. */
if (resource->flags & IORESOURCE_STORED) {
return;
}
- /* If the resources is substractive don't worry about it */
+ /* If the resource is subtractive don't worry about it. */
if (resource->flags & IORESOURCE_SUBTRACTIVE) {
return;
}
- /* Only handle PCI memory and IO resources for now */
- if (!(resource->flags & (IORESOURCE_MEM |IORESOURCE_IO)))
+ /* Only handle PCI memory and I/O resources for now. */
+ if (!(resource->flags & (IORESOURCE_MEM | IORESOURCE_IO)))
return;
- /* Enable the resources in the command register */
+ /* Enable the resources in the command register. */
if (resource->size) {
if (resource->flags & IORESOURCE_MEM) {
dev->command |= PCI_COMMAND_MEMORY;
dev->command |= PCI_COMMAND_MASTER;
}
}
- /* Get the base address */
+ /* Get the base address. */
base = resource->base;
- /* Get the end */
+ /* Get the end. */
end = resource_end(resource);
- /* Now store the resource */
+ /* Now store the resource. */
resource->flags |= IORESOURCE_STORED;
+
+ /* PCI Bridges have no enable bit. They are disabled if the base of
+ * the range is greater than the limit. If the size is zero, disable
+ * by setting the base = limit and end = limit - 2^gran.
+ */
+ if (resource->size == 0 && (resource->flags & IORESOURCE_PCI_BRIDGE)) {
+ base = resource->limit;
+ end = resource->limit - (1 << resource->gran);
+ resource->base = base;
+ }
+
if (!(resource->flags & IORESOURCE_PCI_BRIDGE)) {
unsigned long base_lo, base_hi;
- /*
- * some chipsets allow us to set/clear the IO bit.
- * (e.g. VIA 82c686a.) So set it to be safe)
+ /* Some chipsets allow us to set/clear the I/O bit
+ * (e.g. VIA 82c686a). So set it to be safe.
*/
base_lo = base & 0xffffffff;
base_hi = (base >> 32) & 0xffffffff;
if (resource->flags & IORESOURCE_PCI64) {
pci_write_config32(dev, resource->index + 4, base_hi);
}
- }
- else if (resource->index == PCI_IO_BASE) {
- /* set the IO ranges */
- compute_allocate_resource(&dev->link[0], resource,
- IORESOURCE_IO, IORESOURCE_IO);
- pci_write_config8(dev, PCI_IO_BASE, base >> 8);
+ } else if (resource->index == PCI_IO_BASE) {
+ /* Set the I/O ranges. */
+ pci_write_config8(dev, PCI_IO_BASE, base >> 8);
pci_write_config16(dev, PCI_IO_BASE_UPPER16, base >> 16);
- pci_write_config8(dev, PCI_IO_LIMIT, end >> 8);
+ pci_write_config8(dev, PCI_IO_LIMIT, end >> 8);
pci_write_config16(dev, PCI_IO_LIMIT_UPPER16, end >> 16);
- }
- else if (resource->index == PCI_MEMORY_BASE) {
- /* set the memory range */
- compute_allocate_resource(&dev->link[0], resource,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- IORESOURCE_MEM);
+ } else if (resource->index == PCI_MEMORY_BASE) {
+ /* Set the memory range. */
pci_write_config16(dev, PCI_MEMORY_BASE, base >> 16);
pci_write_config16(dev, PCI_MEMORY_LIMIT, end >> 16);
- }
- else if (resource->index == PCI_PREF_MEMORY_BASE) {
- /* set the prefetchable memory range */
- compute_allocate_resource(&dev->link[0], resource,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- IORESOURCE_MEM | IORESOURCE_PREFETCH);
+ } else if (resource->index == PCI_PREF_MEMORY_BASE) {
+ /* Set the prefetchable memory range. */
pci_write_config16(dev, PCI_PREF_MEMORY_BASE, base >> 16);
pci_write_config32(dev, PCI_PREF_BASE_UPPER32, base >> 32);
pci_write_config16(dev, PCI_PREF_MEMORY_LIMIT, end >> 16);
pci_write_config32(dev, PCI_PREF_LIMIT_UPPER32, end >> 32);
- }
- else {
- /* Don't let me think I stored the resource */
+ } else {
+ /* Don't let me think I stored the resource. */
resource->flags &= ~IORESOURCE_STORED;
printk_err("ERROR: invalid resource->index %lx\n",
- resource->index);
+ resource->index);
}
report_resource_stored(dev, resource, "");
return;
{
struct resource *resource, *last;
unsigned link;
- uint8_t line;
+ u8 line;
last = &dev->resource[dev->resources];
- for(resource = &dev->resource[0]; resource < last; resource++) {
+ for (resource = &dev->resource[0]; resource < last; resource++) {
pci_set_resource(dev, resource);
}
- for(link = 0; link < dev->links; link++) {
+ for (link = 0; link < dev->links; link++) {
struct bus *bus;
bus = &dev->link[link];
if (bus->children) {
}
}
- /* set a default latency timer */
+ /* Set a default latency timer. */
pci_write_config8(dev, PCI_LATENCY_TIMER, 0x40);
- /* set a default secondary latency timer */
+ /* Set a default secondary latency timer. */
if ((dev->hdr_type & 0x7f) == PCI_HEADER_TYPE_BRIDGE) {
pci_write_config8(dev, PCI_SEC_LATENCY_TIMER, 0x40);
}
- /* zero the irq settings */
+ /* Zero the IRQ settings. */
line = pci_read_config8(dev, PCI_INTERRUPT_PIN);
if (line) {
pci_write_config8(dev, PCI_INTERRUPT_LINE, 0);
}
- /* set the cache line size, so far 64 bytes is good for everyone */
+ /* Set the cache line size, so far 64 bytes is good for everyone. */
pci_write_config8(dev, PCI_CACHE_LINE_SIZE, 64 >> 2);
}
void pci_dev_enable_resources(struct device *dev)
{
const struct pci_operations *ops;
- uint16_t command;
+ u16 command;
- /* Set the subsystem vendor and device id for mainboard devices */
+ /* Set the subsystem vendor and device id for mainboard devices. */
ops = ops_pci(dev);
if (dev->on_mainboard && ops && ops->set_subsystem) {
printk_debug("%s subsystem <- %02x/%02x\n",
- dev_path(dev),
- CONFIG_MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID,
- CONFIG_MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID);
+ dev_path(dev),
+ CONFIG_MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID,
+ CONFIG_MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID);
ops->set_subsystem(dev,
- CONFIG_MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID,
- CONFIG_MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID);
+ CONFIG_MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID,
+ CONFIG_MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID);
}
command = pci_read_config16(dev, PCI_COMMAND);
command |= dev->command;
+ /* v3 has
+ * command |= (PCI_COMMAND_PARITY + PCI_COMMAND_SERR); // Error check.
+ */
printk_debug("%s cmd <- %02x\n", dev_path(dev), command);
pci_write_config16(dev, PCI_COMMAND, command);
}
void pci_bus_enable_resources(struct device *dev)
{
- uint16_t ctrl;
- /* enable IO in command register if there is VGA card
- * connected with (even it does not claim IO resource) */
+ u16 ctrl;
+
+ /* Enable I/O in command register if there is VGA card
+ * connected with (even it does not claim I/O resource).
+ */
if (dev->link[0].bridge_ctrl & PCI_BRIDGE_CTL_VGA)
dev->command |= PCI_COMMAND_IO;
ctrl = pci_read_config16(dev, PCI_BRIDGE_CONTROL);
ctrl |= dev->link[0].bridge_ctrl;
- ctrl |= (PCI_BRIDGE_CTL_PARITY + PCI_BRIDGE_CTL_SERR); /* error check */
+ ctrl |= (PCI_BRIDGE_CTL_PARITY + PCI_BRIDGE_CTL_SERR); /* Error check. */
printk_debug("%s bridge ctrl <- %04x\n", dev_path(dev), ctrl);
pci_write_config16(dev, PCI_BRIDGE_CONTROL, ctrl);
pci_dev_enable_resources(dev);
-
enable_childrens_resources(dev);
}
delay(1);
}
-void pci_dev_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+void pci_dev_set_subsystem(struct device *dev, unsigned vendor, unsigned device)
{
pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
- ((device & 0xffff) << 16) | (vendor & 0xffff));
+ ((device & 0xffff) << 16) | (vendor & 0xffff));
}
/** default handler: only runs the relevant pci bios. */
void pci_dev_init(struct device *dev)
{
#if CONFIG_PCI_ROM_RUN == 1 || CONFIG_VGA_ROM_RUN == 1
- void run_bios(struct device * dev, unsigned long addr);
+ void run_bios(struct device *dev, unsigned long addr);
struct rom_header *rom, *ram;
#if CONFIG_PCI_ROM_RUN != 1
* is set but CONFIG_PCI_ROM_RUN is not. In this case we skip
* all other option ROM types.
*/
- if ((dev->class>>8)!=PCI_CLASS_DISPLAY_VGA)
+ if ((dev->class >> 8) != PCI_CLASS_DISPLAY_VGA)
return;
#endif
};
struct device_operations default_pci_ops_dev = {
- .read_resources = pci_dev_read_resources,
- .set_resources = pci_dev_set_resources,
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
- .init = pci_dev_init,
- .scan_bus = 0,
- .enable = 0,
- .ops_pci = &pci_dev_ops_pci,
+ .init = pci_dev_init,
+ .scan_bus = 0,
+ .enable = 0,
+ .ops_pci = &pci_dev_ops_pci,
};
/** Default device operations for PCI bridges */
};
struct device_operations default_pci_ops_bus = {
- .read_resources = pci_bus_read_resources,
- .set_resources = pci_dev_set_resources,
+ .read_resources = pci_bus_read_resources,
+ .set_resources = pci_dev_set_resources,
.enable_resources = pci_bus_enable_resources,
- .init = 0,
- .scan_bus = pci_scan_bridge,
- .enable = 0,
- .reset_bus = pci_bus_reset,
- .ops_pci = &pci_bus_ops_pci,
+ .init = 0,
+ .scan_bus = pci_scan_bridge,
+ .enable = 0,
+ .reset_bus = pci_bus_reset,
+ .ops_pci = &pci_bus_ops_pci,
};
/**
* @brief Detect the type of downstream bridge
*
- * This function is a heuristic to detect which type
- * of bus is downstream of a pci to pci bridge. This
- * functions by looking for various capability blocks
- * to figure out the type of downstream bridge. PCI-X
- * PCI-E, and Hypertransport all seem to have appropriate
- * capabilities.
+ * This function is a heuristic to detect which type of bus is downstream
+ * of a PCI-to-PCI bridge. This functions by looking for various capability
+ * blocks to figure out the type of downstream bridge. PCI-X, PCI-E, and
+ * Hypertransport all seem to have appropriate capabilities.
*
* When only a PCI-Express capability is found the type
* is examined to see which type of bridge we have.
*
- * @param dev
- *
- * @return appropriate bridge operations
+ * @param dev Pointer to the device structure of the bridge.
+ * @return Appropriate bridge operations.
*/
static struct device_operations *get_pci_bridge_ops(device_t dev)
{
#endif
#if CONFIG_HYPERTRANSPORT_PLUGIN_SUPPORT == 1
pos = 0;
- while((pos = pci_find_next_capability(dev, PCI_CAP_ID_HT, pos))) {
+ while ((pos = pci_find_next_capability(dev, PCI_CAP_ID_HT, pos))) {
unsigned flags;
flags = pci_read_config16(dev, pos + PCI_CAP_FLAGS);
if ((flags >> 13) == 1) {
/* Host or Secondary Interface */
printk_debug("%s subbordinate bus Hypertransport\n",
- dev_path(dev));
+ dev_path(dev));
return &default_ht_ops_bus;
}
}
if (pos) {
unsigned flags;
flags = pci_read_config16(dev, pos + PCI_EXP_FLAGS);
- switch((flags & PCI_EXP_FLAGS_TYPE) >> 4) {
+ switch ((flags & PCI_EXP_FLAGS_TYPE) >> 4) {
case PCI_EXP_TYPE_ROOT_PORT:
case PCI_EXP_TYPE_UPSTREAM:
case PCI_EXP_TYPE_DOWNSTREAM:
printk_debug("%s subbordinate bus PCI Express\n",
- dev_path(dev));
+ dev_path(dev));
return &default_pciexp_ops_bus;
case PCI_EXP_TYPE_PCI_BRIDGE:
- printk_debug("%s subbordinate PCI\n",
- dev_path(dev));
+ printk_debug("%s subbordinate PCI\n", dev_path(dev));
return &default_pci_ops_bus;
default:
break;
}
/**
- * @brief Set up PCI device operation
- *
- *
- * @param dev
+ * Set up PCI device operation. Check if it already has a driver. If not, use
+ * find_device_operations, or set to a default based on type.
*
+ * @param dev Pointer to the device whose pci_ops you want to set.
* @see pci_drivers
*/
static void set_pci_ops(struct device *dev)
}
/* Look through the list of setup drivers and find one for
- * this pci device
+ * this PCI device.
*/
- for(driver = &pci_drivers[0]; driver != &epci_drivers[0]; driver++) {
+ for (driver = &pci_drivers[0]; driver != &epci_drivers[0]; driver++) {
if ((driver->vendor == dev->vendor) &&
- (driver->device == dev->device))
- {
+ (driver->device == dev->device)) {
dev->ops = driver->ops;
printk_spew("%s [%04x/%04x] %sops\n",
- dev_path(dev),
- driver->vendor, driver->device,
- (driver->ops->scan_bus?"bus ":""));
+ dev_path(dev),
+ driver->vendor, driver->device,
+ (driver->ops->scan_bus ? "bus " : ""));
return;
}
}
/* If I don't have a specific driver use the default operations */
- switch(dev->hdr_type & 0x7f) { /* header type */
+ switch (dev->hdr_type & 0x7f) { /* header type */
case PCI_HEADER_TYPE_NORMAL: /* standard header */
if ((dev->class >> 8) == PCI_CLASS_BRIDGE_PCI)
goto bad;
break;
#endif
default:
- bad:
+ bad:
if (dev->enabled) {
printk_err("%s [%04x/%04x/%06x] has unknown header "
- "type %02x, ignoring.\n",
- dev_path(dev),
- dev->vendor, dev->device,
- dev->class >> 8, dev->hdr_type);
+ "type %02x, ignoring.\n",
+ dev_path(dev),
+ dev->vendor, dev->device,
+ dev->class >> 8, dev->hdr_type);
}
}
return;
}
-
-
/**
* @brief See if we have already allocated a device structure for a given devfn.
*
* device structure correspond to the devfn, if present. This function also
* removes the device structure from the linked list.
*
- * @param list the device structure list
- * @param devfn a device/function number
+ * @param list The device structure list.
+ * @param devfn A device/function number.
*
- * @return pointer to the device structure found or null of we have not
+ * @return Pointer to the device structure found or NULL if we have not
* allocated a device for this devfn yet.
*/
static struct device *pci_scan_get_dev(struct device **list, unsigned int devfn)
{
struct device *dev;
dev = 0;
- for(; *list; list = &(*list)->sibling) {
+ for (; *list; list = &(*list)->sibling) {
if ((*list)->path.type != DEVICE_PATH_PCI) {
printk_err("child %s not a pci device\n",
- dev_path(*list));
+ dev_path(*list));
continue;
}
if ((*list)->path.pci.devfn == devfn) {
- /* Unlink from the list */
+ /* Unlink from the list. */
dev = *list;
*list = (*list)->sibling;
- dev->sibling = 0;
+ dev->sibling = NULL;
break;
}
}
- /* Just like alloc_dev add the device to the list of device on the bus.
- * When the list of devices was formed we removed all of the parents
- * children, and now we are interleaving static and dynamic devices in
- * order on the bus.
+
+ /* Just like alloc_dev() add the device to the list of devices on the
+ * bus. When the list of devices was formed we removed all of the
+ * parents children, and now we are interleaving static and dynamic
+ * devices in order on the bus.
*/
if (dev) {
- device_t child;
- /* Find the last child of our parent */
- for(child = dev->bus->children; child && child->sibling; ) {
+ struct device *child;
+ /* Find the last child of our parent. */
+ for (child = dev->bus->children; child && child->sibling;) {
child = child->sibling;
}
- /* Place the device on the list of children of it's parent. */
+ /* Place the device on the list of children of its parent. */
if (child) {
child->sibling = dev;
} else {
/**
* @brief Scan a PCI bus.
*
- * Determine the existence of a given PCI device.
+ * Determine the existence of a given PCI device. Allocate a new struct device
+ * if dev==NULL was passed in and the device exists in hardware.
*
* @param bus pointer to the bus structure
* @param devfn to look at
* @return The device structure for hte device (if found)
* or the NULL if no device is found.
*/
-device_t pci_probe_dev(device_t dev, struct bus *bus, unsigned devfn)
+device_t pci_probe_dev(device_t dev, struct bus * bus, unsigned devfn)
{
- uint32_t id, class;
- uint8_t hdr_type;
+ u32 id, class;
+ u8 hdr_type;
- /* Detect if a device is present */
+ /* Detect if a device is present. */
if (!dev) {
struct device dummy;
- dummy.bus = bus;
- dummy.path.type = DEVICE_PATH_PCI;
+ dummy.bus = bus;
+ dummy.path.type = DEVICE_PATH_PCI;
dummy.path.pci.devfn = devfn;
id = pci_read_config32(&dummy, PCI_VENDOR_ID);
- /* Have we found somthing?
+ /* Have we found something?
* Some broken boards return 0 if a slot is empty.
*/
- if ( (id == 0xffffffff) || (id == 0x00000000) ||
- (id == 0x0000ffff) || (id == 0xffff0000))
- {
+ if ((id == 0xffffffff) || (id == 0x00000000) ||
+ (id == 0x0000ffff) || (id == 0xffff0000)) {
printk_spew("%s, bad id 0x%x\n", dev_path(&dummy), id);
return NULL;
}
dev = alloc_dev(bus, &dummy.path);
- }
- else {
- /* Enable/disable the device. Once we have
- * found the device specific operations this
- * operations we will disable the device with
- * those as well.
+ } else {
+ /* Enable/disable the device. Once we have found the device-
+ * specific operations this operations we will disable the
+ * device with those as well.
*
* This is geared toward devices that have subfunctions
* that do not show up by default.
*
* If a device is a stuff option on the motherboard
- * it may be absent and enable_dev must cope.
- *
+ * it may be absent and enable_dev() must cope.
*/
- /* Run the magice enable sequence for the device */
+ /* Run the magic enable sequence for the device. */
if (dev->chip_ops && dev->chip_ops->enable_dev) {
dev->chip_ops->enable_dev(dev);
}
- /* Now read the vendor and device id */
+ /* Now read the vendor and device ID. */
id = pci_read_config32(dev, PCI_VENDOR_ID);
-
- /* If the device does not have a pci id disable it.
- * Possibly this is because we have already disabled
- * the device. But this also handles optional devices
- * that may not always show up.
+ /* If the device does not have a PCI ID disable it. Possibly
+ * this is because we have already disabled the device. But
+ * this also handles optional devices that may not always
+ * show up.
*/
/* If the chain is fully enumerated quit */
- if ( (id == 0xffffffff) || (id == 0x00000000) ||
- (id == 0x0000ffff) || (id == 0xffff0000))
- {
+ if ((id == 0xffffffff) || (id == 0x00000000) ||
+ (id == 0x0000ffff) || (id == 0xffff0000)) {
if (dev->enabled) {
printk_info("Disabling static device: %s\n",
- dev_path(dev));
+ dev_path(dev));
dev->enabled = 0;
}
return dev;
}
}
- /* Read the rest of the pci configuration information */
+ /* Read the rest of the PCI configuration information. */
hdr_type = pci_read_config8(dev, PCI_HEADER_TYPE);
class = pci_read_config32(dev, PCI_CLASS_REVISION);
- /* Store the interesting information in the device structure */
+ /* Store the interesting information in the device structure. */
dev->vendor = id & 0xffff;
dev->device = (id >> 16) & 0xffff;
dev->hdr_type = hdr_type;
- /* class code, the upper 3 bytes of PCI_CLASS_REVISION */
- dev->class = class >> 8;
+ /* Class code, the upper 3 bytes of PCI_CLASS_REVISION. */
+ dev->class = class >> 8;
- /* Architectural/System devices always need to
- * be bus masters.
- */
+ /* Architectural/System devices always need to be bus masters. */
if ((dev->class >> 16) == PCI_BASE_CLASS_SYSTEM) {
dev->command |= PCI_COMMAND_MASTER;
}
- /* Look at the vendor and device id, or at least the
- * header type and class and figure out which set of
- * configuration methods to use. Unless we already
- * have some pci ops.
+ /* Look at the vendor and device ID, or at least the header type and
+ * class and figure out which set of configuration methods to use.
+ * Unless we already have some PCI ops.
*/
set_pci_ops(dev);
- /* Now run the magic enable/disable sequence for the device */
+ /* Now run the magic enable/disable sequence for the device. */
if (dev->ops && dev->ops->enable) {
dev->ops->enable(dev);
}
-
- /* Display the device and error if we don't have some pci operations
- * for it.
- */
+ /* Display the device. */
printk_debug("%s [%04x/%04x] %s%s\n",
- dev_path(dev),
- dev->vendor, dev->device,
- dev->enabled?"enabled": "disabled",
- dev->ops?"" : " No operations"
- );
+ dev_path(dev),
+ dev->vendor, dev->device,
+ dev->enabled ? "enabled" : "disabled",
+ dev->ops ? "" : " No operations");
return dev;
}
* @return The maximum bus number found, after scanning all subordinate busses
*/
unsigned int pci_scan_bus(struct bus *bus,
- unsigned min_devfn, unsigned max_devfn,
- unsigned int max)
+ unsigned min_devfn, unsigned max_devfn,
+ unsigned int max)
{
unsigned int devfn;
- device_t old_devices;
- device_t child;
+ struct device *old_devices;
+ struct device *child;
#if CONFIG_PCI_BUS_SEGN_BITS
- printk_debug("PCI: pci_scan_bus for bus %04x:%02x\n", bus->secondary >> 8, bus->secondary & 0xff);
+ printk_debug("PCI: pci_scan_bus for bus %04x:%02x\n",
+ bus->secondary >> 8, bus->secondary & 0xff);
#else
printk_debug("PCI: pci_scan_bus for bus %02x\n", bus->secondary);
#endif
old_devices = bus->children;
- bus->children = 0;
+ bus->children = NULL;
post_code(0x24);
- /* probe all devices/functions on this bus with some optimization for
- * non-existence and single funcion devices
+ /* Probe all devices/functions on this bus with some optimization for
+ * non-existence and single function devices.
*/
for (devfn = min_devfn; devfn <= max_devfn; devfn++) {
- device_t dev;
+ struct device *dev;
/* First thing setup the device structure */
dev = pci_scan_get_dev(&old_devices, devfn);
- /* See if a device is present and setup the device
- * structure.
- */
+ /* See if a device is present and setup the device structure. */
dev = pci_probe_dev(dev, bus, devfn);
- /* if this is not a multi function device,
- * or the device is not present don't waste
- * time probing another function.
+ /* If this is not a multi function device, or the device is
+ * not present don't waste time probing another function.
* Skip to next device.
*/
if ((PCI_FUNC(devfn) == 0x00) &&
- (!dev || (dev->enabled && ((dev->hdr_type & 0x80) != 0x80))))
- {
+ (!dev
+ || (dev->enabled && ((dev->hdr_type & 0x80) != 0x80)))) {
devfn += 0x07;
}
}
post_code(0x25);
- /* Die if any left over static devices are are found.
+ /* Warn if any leftover static devices are are found.
* There's probably a problem in the Config.lb.
- */
- if(old_devices) {
+ */
+ if (old_devices) {
device_t left;
- for(left = old_devices; left; left = left->sibling) {
- printk_err("%s\n", dev_path(left));
+ printk_warning("PCI: Left over static devices:\n");
+ for (left = old_devices; left; left = left->sibling) {
+ printk_warning("%s\n", dev_path(left));
}
- printk_warning("PCI: Left over static devices. Check your mainboard Config.lb\n");
+ printk_warning("PCI: Check your mainboard Config.lb.\n");
}
- /* For all children that implement scan_bus (i.e. bridges)
+ /* For all children that implement scan_bus() (i.e. bridges)
* scan the bus behind that child.
*/
- for(child = bus->children; child; child = child->sibling) {
+ for (child = bus->children; child; child = child->sibling) {
max = scan_bus(child, max);
}
- /*
- * We've scanned the bus and so we know all about what's on
- * the other side of any bridges that may be on this bus plus
- * any devices.
- *
+ /* We've scanned the bus and so we know all about what's on the other
+ * side of any bridges that may be on this bus plus any devices.
* Return how far we've got finding sub-buses.
*/
printk_debug("PCI: pci_scan_bus returning with max=%03x\n", max);
return max;
}
-
/**
* @brief Scan a PCI bridge and the buses behind the bridge.
*
*
* This function is the default scan_bus() method for PCI bridge devices.
*
- * @param dev pointer to the bridge device
- * @param max the highest bus number assgined up to now
- *
- * @return The maximum bus number found, after scanning all subordinate busses
+ * @param dev Pointer to the bridge device.
+ * @param max The highest bus number assigned up to now.
+ * @return The maximum bus number found, after scanning all subordinate buses.
*/
unsigned int do_pci_scan_bridge(struct device *dev, unsigned int max,
- unsigned int (*do_scan_bus)(struct bus *bus,
- unsigned min_devfn, unsigned max_devfn, unsigned int max))
+ unsigned int (*do_scan_bus) (struct bus * bus,
+ unsigned min_devfn,
+ unsigned max_devfn,
+ unsigned int max))
{
struct bus *bus;
- uint32_t buses;
- uint16_t cr;
+ u32 buses;
+ u16 cr;
printk_spew("%s for %s\n", __func__, dev_path(dev));
pci_write_config16(dev, PCI_COMMAND, 0x0000);
pci_write_config16(dev, PCI_STATUS, 0xffff);
- /*
- * Read the existing primary/secondary/subordinate bus
+ /* Read the existing primary/secondary/subordinate bus
* number configuration.
*/
buses = pci_read_config32(dev, PCI_PRIMARY_BUS);
* correctly configured.
*/
buses &= 0xff000000;
- buses |= (((unsigned int) (dev->bus->secondary) << 0) |
- ((unsigned int) (bus->secondary) << 8) |
- ((unsigned int) (bus->subordinate) << 16));
+ buses |= (((unsigned int)(dev->bus->secondary) << 0) |
+ ((unsigned int)(bus->secondary) << 8) |
+ ((unsigned int)(bus->subordinate) << 16));
pci_write_config32(dev, PCI_PRIMARY_BUS, buses);
/* Now we can scan all subordinate buses
* bus number to its real value.
*/
bus->subordinate = max;
- buses = (buses & 0xff00ffff) |
- ((unsigned int) (bus->subordinate) << 16);
+ buses = (buses & 0xff00ffff) | ((unsigned int)(bus->subordinate) << 16);
pci_write_config32(dev, PCI_PRIMARY_BUS, buses);
pci_write_config16(dev, PCI_COMMAND, cr);
*
* This function is the default scan_bus() method for PCI bridge devices.
*
- * @param dev pointer to the bridge device
+ * @param dev Pointer to the bridge device.
+ * @param max The highest bus number assigned up to now.
+ * @return The maximum bus number found, after scanning all subordinate buses.
+ */
+unsigned int pci_scan_bridge(struct device *dev, unsigned int max)
+{
+ return do_pci_scan_bridge(dev, max, pci_scan_bus);
+}
+
+/**
+ * @brief Scan a PCI domain.
+ *
+ * This function is the default scan_bus() method for PCI domains.
+ *
+ * @param dev pointer to the domain
* @param max the highest bus number assgined up to now
*
* @return The maximum bus number found, after scanning all subordinate busses
*/
-unsigned int pci_scan_bridge(struct device *dev, unsigned int max)
+unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
{
- return do_pci_scan_bridge(dev, max, pci_scan_bus);
+ max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
+ return max;
}
-/*
- Tell the EISA int controller this int must be level triggered
- THIS IS A KLUDGE -- sorry, this needs to get cleaned up.
-*/
+/**
+ * Tell the EISA int controller this int must be level triggered.
+ *
+ * THIS IS A KLUDGE -- sorry, this needs to get cleaned up.
+ */
void pci_level_irq(unsigned char intNum)
{
- unsigned short intBits = inb(0x4d0) | (((unsigned) inb(0x4d1)) << 8);
+ unsigned short intBits = inb(0x4d0) | (((unsigned)inb(0x4d1)) << 8);
printk_spew("%s: current ints are 0x%x\n", __func__, intBits);
intBits |= (1 << intNum);
printk_spew("%s: try to set ints 0x%x\n", __func__, intBits);
- // Write new values
- outb((unsigned char) intBits, 0x4d0);
- outb((unsigned char) (intBits >> 8), 0x4d1);
+ /* Write new values. */
+ outb((unsigned char)intBits, 0x4d0);
+ outb((unsigned char)(intBits >> 8), 0x4d1);
- /* this seems like an error but is not ... */
-#if 1
+ /* This seems like an error but is not. */
if (inb(0x4d0) != (intBits & 0xff)) {
- printk_err("%s: lower order bits are wrong: want 0x%x, got 0x%x\n",
- __func__, intBits &0xff, inb(0x4d0));
+ printk_err(
+ "%s: lower order bits are wrong: want 0x%x, got 0x%x\n",
+ __func__, intBits & 0xff, inb(0x4d0));
}
if (inb(0x4d1) != ((intBits >> 8) & 0xff)) {
- printk_err("%s: lower order bits are wrong: want 0x%x, got 0x%x\n",
- __func__, (intBits>>8) &0xff, inb(0x4d1));
+ printk_err(
+ "%s: lower order bits are wrong: want 0x%x, got 0x%x\n",
+ __func__, (intBits >> 8) & 0xff, inb(0x4d1));
}
-#endif
}
-/*
- This function assigns IRQs for all functions contained within
- the indicated device address. If the device does not exist or does
- not require interrupts then this function has no effect.
-
- This function should be called for each PCI slot in your system.
-
- pIntAtoD is an array of IRQ #s that are assigned to PINTA through PINTD of
- this slot.
- The particular irq #s that are passed in depend on the routing inside
- your southbridge and on your motherboard.
-
- -kevinh@ispiri.com
+/**
+ * This function assigns IRQs for all functions contained within the
+ * indicated device address. If the device does not exist or does not
+ * require interrupts then this function has no effect.
+ *
+ * This function should be called for each PCI slot in your system.
+ *
+ * pIntAtoD is an array of IRQ #s that are assigned to PINTA through PINTD of
+ * this slot.
+ *
+ * The particular irq #s that are passed in depend on the routing inside
+ * your southbridge and on your motherboard.
+ *
+ * -kevinh@ispiri.com
+ *
*/
void pci_assign_irqs(unsigned bus, unsigned slot,
- const unsigned char pIntAtoD[4])
+ const unsigned char pIntAtoD[4])
{
unsigned functNum;
- device_t pdev;
+ struct device *pdev;
unsigned char line;
unsigned char irq;
unsigned char readback;
- /* Each slot may contain up to eight functions */
+ /* Each slot may contain up to eight functions. */
for (functNum = 0; functNum < 8; functNum++) {
pdev = dev_find_slot(bus, (slot << 3) + functNum);
if (pdev) {
- line = pci_read_config8(pdev, PCI_INTERRUPT_PIN);
+ line = pci_read_config8(pdev, PCI_INTERRUPT_PIN);
- // PCI spec says all other values are reserved
+ /* PCI spec says all other values are reserved. */
if ((line >= 1) && (line <= 4)) {
irq = pIntAtoD[line - 1];
- printk_debug("Assigning IRQ %d to %d:%x.%d\n", \
- irq, bus, slot, functNum);
+ printk_debug("Assigning IRQ %d to %d:%x.%d\n",
+ irq, bus, slot, functNum);
- pci_write_config8(pdev, PCI_INTERRUPT_LINE,\
- pIntAtoD[line - 1]);
+ pci_write_config8(pdev, PCI_INTERRUPT_LINE,
+ pIntAtoD[line - 1]);
- readback = pci_read_config8(pdev, PCI_INTERRUPT_LINE);
+ readback =
+ pci_read_config8(pdev, PCI_INTERRUPT_LINE);
printk_debug(" Readback = %d\n", readback);
- // Change to level triggered
+ // Change to level triggered.
pci_level_irq(pIntAtoD[line - 1]);
}
}
*/
void root_dev_read_resources(device_t root)
{
- struct resource *resource;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(root, 0);
- resource->base = 0x400;
- resource->size = 0;
- resource->align = 0;
- resource->gran = 0;
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO;
- compute_allocate_resource(&root->link[0], resource,
- IORESOURCE_IO, IORESOURCE_IO);
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(root, 1);
- resource->base = 0;
- resource->size = 0;
- resource->align = 0;
- resource->gran = 0;
- resource->limit = 0xffffffffUL;
- resource->flags = IORESOURCE_MEM;
- compute_allocate_resource(&root->link[0], resource,
- IORESOURCE_MEM, IORESOURCE_MEM);
+ printk_err("%s should never be called.\n", __func__);
}
/**
*/
void root_dev_set_resources(device_t root)
{
- struct bus *bus;
-
- bus = &root->link[0];
- compute_allocate_resource(bus,
- &root->resource[0], IORESOURCE_IO, IORESOURCE_IO);
- compute_allocate_resource(bus,
- &root->resource[1], IORESOURCE_MEM, IORESOURCE_MEM);
- assign_resources(bus);
+ printk_err("%s should never be called.\n", __func__);
}
/**
unsigned int hdr_type; /* PCI header type */
unsigned int enabled : 1; /* set if we should enable the device */
unsigned int initialized : 1; /* set if we have initialized the device */
- unsigned int have_resources : 1; /* Set if we have read the devices resources */
unsigned int on_mainboard : 1;
unsigned long rom_address;
- uint8_t command;
+ u8 command;
/* Base registers for this device. I/O, MEM and Expansion ROM */
struct resource resource[MAX_RESOURCES];
unsigned int resources;
- /* link are (down stream) buses attached to the device, usually a leaf
+ /* links are (downstream) buses attached to the device, usually a leaf
* device with no children have 0 buses attached and a bridge has 1 bus
*/
struct bus link[MAX_LINKS];
/* Generic device helper functions */
int reset_bus(struct bus *bus);
unsigned int scan_bus(struct device *bus, unsigned int max);
-void compute_allocate_resource(struct bus *bus, struct resource *bridge,
- unsigned long type_mask, unsigned long type);
void assign_resources(struct bus *bus);
void enable_resources(struct device *dev);
void enumerate_static_device(void);
#define DEVICE_MEM_ALIGN 4096
extern struct device_operations default_dev_ops_root;
+void pci_domain_read_resources(struct device *dev);
+unsigned int pci_domain_scan_bus(struct device *dev, unsigned int max);
void root_dev_read_resources(device_t dev);
void root_dev_set_resources(device_t dev);
unsigned int scan_static_bus(device_t bus, unsigned int max);
-#ifndef RESOURCE_H
-#define RESOURCE_H
+#ifndef DEVICE_RESOURCE_H
+#define DEVICE_RESOURCE_H
#include <stdint.h>
#define IORESOURCE_SUBTRACTIVE 0x00040000 /* This resource filters all of the unclaimed transactions
* to the bus below.
*/
+#define IORESOURCE_BRIDGE 0x00080000 /* The IO resource has a bus below it. */
#define IORESOURCE_STORED 0x20000000 /* The IO resource assignment has been stored in the device */
#define IORESOURCE_ASSIGNED 0x40000000 /* An IO resource that has been assigned a value */
#define IORESOURCE_FIXED 0x80000000 /* An IO resource the allocator must not change */
#define IORESOURCE_MEM_EXPANSIONROM (1<<6)
-typedef uint64_t resource_t;
+typedef u64 resource_t;
struct resource {
resource_t base; /* Base address of the resource */
resource_t size; /* Size of the resource */
/* Alignment must be >= the granularity of the resource */
};
-/* Macros to generate index values for subtractive resources */
+/* Macros to generate index values for resources */
#define IOINDEX_SUBTRACTIVE(IDX,LINK) (0x10000000 + ((IDX) << 8) + LINK)
#define IOINDEX_SUBTRACTIVE_LINK(IDX) (IDX & 0xff)
+#define IOINDEX(IDX,LINK) (((LINK) << 16) + IDX)
+#define IOINDEX_LINK(IDX) (( IDX & 0xf0000) >> 16)
+#define IOINDEX_IDX(IDX) (IDX & 0xffff)
+
/* Generic resource helper functions */
struct device;
struct bus;
#define RESOURCE_TYPE_MAX 20
extern const char *resource_type(struct resource *resource);
-#endif /* RESOURCE_H */
+#endif /* DEVICE_RESOURCE_H */
if (!dev)
continue;
for(link = 0; !res && (link < 8); link++) {
- res = probe_resource(dev, 0x1000 + reg + (link<<16)); // 8 links, 0x1000 man f1,
+ res = probe_resource(dev, IOINDEX(0x1000 + reg, link));
}
}
result = 2;
reg = 0x110+ (index<<24) + (4<<20); // index could be 0, 255
}
- resource = new_resource(dev, 0x1000 + reg + (link<<16));
+ resource = new_resource(dev, IOINDEX(0x1000 + reg, link));
return resource;
}
reg = 0x110+ (index<<24) + (6<<20); // index could be 0, 63
}
- resource = new_resource(dev, 0x1000 + reg + (link<<16));
+ resource = new_resource(dev, IOINDEX(0x1000 + reg, link));
return resource;
}
resource->gran = align;
resource->limit = 0xffffUL;
resource->flags = IORESOURCE_IO;
- compute_allocate_resource(&dev->link[link], resource,
- IORESOURCE_IO, IORESOURCE_IO);
}
/* Initialize the prefetchable memory constraints on the current bus */
resource->gran = log2(HT_MEM_HOST_ALIGN);
resource->limit = 0xffffffffffULL;
resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;
- compute_allocate_resource(&dev->link[link], resource,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- IORESOURCE_MEM | IORESOURCE_PREFETCH);
#if CONFIG_EXT_CONF_SUPPORT == 1
if((resource->index & 0x1fff) == 0x1110) { // ext
resource->gran = log2(HT_MEM_HOST_ALIGN);
resource->limit = 0xffffffffffULL;
resource->flags = IORESOURCE_MEM;
- compute_allocate_resource(&dev->link[link], resource,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- IORESOURCE_MEM);
#if CONFIG_EXT_CONF_SUPPORT == 1
if((resource->index & 0x1fff) == 0x1110) { // ext
/* Get the register and link */
reg = resource->index & 0xfff; // 4k
- link = ( resource->index>> 16)& 0x7; // 8 links
+ link = IOINDEX_LINK(resource->index);
if (resource->flags & IORESOURCE_IO) {
- compute_allocate_resource(&dev->link[link], resource,
- IORESOURCE_IO, IORESOURCE_IO);
set_io_addr_reg(dev, nodeid, link, reg, rbase>>8, rend>>8);
store_conf_io_addr(nodeid, link, reg, (resource->index >> 24), rbase>>8, rend>>8);
}
else if (resource->flags & IORESOURCE_MEM) {
- compute_allocate_resource(&dev->link[link], resource,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- resource->flags & (IORESOURCE_MEM | IORESOURCE_PREFETCH));
set_mmio_addr_reg(nodeid, link, reg, (resource->index >>24), rbase>>8, rend>>8, sysconf.nodes) ;// [39:8]
store_conf_mmio_addr(nodeid, link, reg, (resource->index >>24), rbase>>8, rend>>8);
}
.enable_dev = 0,
};
-static void pci_domain_read_resources(device_t dev)
+static void amdfam10_domain_read_resources(device_t dev)
{
struct resource *resource;
unsigned reg;
/* Is this register allocated? */
if ((base & 3) != 0) {
unsigned nodeid, link;
- device_t dev;
+ device_t reg_dev;
if(reg<0xc0) { // mmio
nodeid = (limit & 0xf) + (base&0x30);
} else { // io
nodeid = (limit & 0xf) + ((base>>4)&0x30);
}
link = (limit >> 4) & 7;
- dev = __f0_dev[nodeid];
- if (dev) {
- /* Reserve the resource */
- struct resource *resource;
- resource = new_resource(dev, 0x1000 + reg + (link<<16));
- if (resource) {
- resource->flags = 1;
+ reg_dev = __f0_dev[nodeid];
+ if (reg_dev) {
+ /* Reserve the resource */
+ struct resource *reg_resource;
+ reg_resource = new_resource(reg_dev, IOINDEX(0x1000 + reg, link));
+ if (reg_resource) {
+ reg_resource->flags = 1;
}
}
}
resource->base = 0x400;
resource->limit = 0xffffUL;
resource->flags = IORESOURCE_IO;
- compute_allocate_resource(&dev->link[link], resource,
- IORESOURCE_IO, IORESOURCE_IO);
/* Initialize the system wide prefetchable memory resources constraints */
resource = new_resource(dev, 1|(link<<2));
resource->limit = 0xfcffffffffULL;
resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;
- compute_allocate_resource(&dev->link[link], resource,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- IORESOURCE_MEM | IORESOURCE_PREFETCH);
/* Initialize the system wide memory resources constraints */
resource = new_resource(dev, 2|(link<<2));
resource->limit = 0xfcffffffffULL;
resource->flags = IORESOURCE_MEM;
- compute_allocate_resource(&dev->link[link], resource,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- IORESOURCE_MEM);
}
#endif
}
return tolm;
}
-#if CONFIG_PCI_64BIT_PREF_MEM == 1
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH)
-#endif
-
#if CONFIG_HW_MEM_HOLE_SIZEK != 0
struct hw_mem_hole_info {
resource->flags |= IORESOURCE_ASSIGNED;
resource->flags &= ~IORESOURCE_STORED;
link = (resource>>2) & 3;
- compute_allocate_resource(&dev->link[link], resource,
- BRIDGE_IO_MASK, resource->flags & BRIDGE_IO_MASK);
-
resource->flags |= IORESOURCE_STORED;
report_resource_stored(dev, resource, "");
}
}
-static u32 pci_domain_scan_bus(device_t dev, u32 max)
+static u32 amdfam10_domain_scan_bus(device_t dev, u32 max)
{
u32 reg;
int i;
}
static struct device_operations pci_domain_ops = {
- .read_resources = pci_domain_read_resources,
+ .read_resources = amdfam10_domain_read_resources,
.set_resources = pci_domain_set_resources,
.enable_resources = enable_childrens_resources,
.init = 0,
- .scan_bus = pci_domain_scan_bus,
+ .scan_bus = amdfam10_domain_scan_bus,
#if CONFIG_MMCONF_SUPPORT_DEFAULT
.ops_pci_bus = &pci_ops_mmconf,
#else
if (iommu) {
/* Add a Gart apeture resource */
resource = new_resource(dev, 0x94);
- resource->size = iommu?CONFIG_AGP_APERTURE_SIZE:1;
+ resource->size = CONFIG_AGP_APERTURE_SIZE;
resource->align = log2(resource->size);
resource->gran = log2(resource->size);
resource->limit = 0xffffffff; /* 4G */
if (!dev)
continue;
for(link = 0; !res && (link < 3); link++) {
- res = probe_resource(dev, 0x100 + (reg | link));
+ res = probe_resource(dev, IOINDEX(0x100 + reg, link));
}
}
result = 2;
reg = free_reg;
}
if (reg > 0) {
- resource = new_resource(dev, 0x100 + (reg | link));
+ resource = new_resource(dev, IOINDEX(0x100 + reg, link));
}
return resource;
}
reg = free_reg;
}
if (reg > 0) {
- resource = new_resource(dev, 0x100 + (reg | link));
+ resource = new_resource(dev, IOINDEX(0x100 + reg, link));
}
return resource;
}
resource->align = log2(HT_IO_HOST_ALIGN);
resource->gran = log2(HT_IO_HOST_ALIGN);
resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO;
- compute_allocate_resource(&dev->link[link], resource,
- IORESOURCE_IO, IORESOURCE_IO);
+ resource->flags = IORESOURCE_IO | IORESOURCE_BRIDGE;
}
/* Initialize the prefetchable memory constraints on the current bus */
resource->gran = log2(HT_MEM_HOST_ALIGN);
resource->limit = 0xffffffffffULL;
resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;
- compute_allocate_resource(&dev->link[link], resource,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- IORESOURCE_MEM | IORESOURCE_PREFETCH);
+#ifdef CONFIG_PCI_64BIT_PREF_MEM
+ resource->flags |= IORESOURCE_BRIDGE;
+#endif
}
/* Initialize the memory constraints on the current bus */
resource->size = 0;
resource->align = log2(HT_MEM_HOST_ALIGN);
resource->gran = log2(HT_MEM_HOST_ALIGN);
- resource->limit = 0xffffffffffULL;
- resource->flags = IORESOURCE_MEM;
- compute_allocate_resource(&dev->link[link], resource,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- IORESOURCE_MEM);
+ resource->limit = 0xffffffffULL;
+ resource->flags = IORESOURCE_MEM | IORESOURCE_BRIDGE;
}
}
/* Make certain the resource has actually been set */
if (!(resource->flags & IORESOURCE_ASSIGNED)) {
+ printk_err("%s: can't set unassigned resource @%lx %lx\n",
+ __func__, resource->index, resource->flags);
return;
}
/* If I have already stored this resource don't worry about it */
if (resource->flags & IORESOURCE_STORED) {
+ printk_err("%s: can't set stored resource @%lx %lx\n", __func__,
+ resource->index, resource->flags);
return;
}
if (resource->index < 0x100) {
return;
}
+
+ if (resource->size == 0)
+ return;
+
/* Get the base address */
rbase = resource->base;
/* Get the register and link */
reg = resource->index & 0xfc;
- link = resource->index & 3;
+ link = IOINDEX_LINK(resource->index);
if (resource->flags & IORESOURCE_IO) {
uint32_t base, limit;
- compute_allocate_resource(&dev->link[link], resource,
- IORESOURCE_IO, IORESOURCE_IO);
base = f1_read_config32(reg);
limit = f1_read_config32(reg + 0x4);
base &= 0xfe000fcc;
}
else if (resource->flags & IORESOURCE_MEM) {
uint32_t base, limit;
- compute_allocate_resource(&dev->link[link], resource,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- resource->flags & (IORESOURCE_MEM | IORESOURCE_PREFETCH));
base = f1_read_config32(reg);
limit = f1_read_config32(reg + 0x4);
base &= 0x000000f0;
.enable_dev = 0,
};
-static void pci_domain_read_resources(device_t dev)
+static void amdk8_domain_read_resources(device_t dev)
{
struct resource *resource;
unsigned reg;
if (reg_dev) {
/* Reserve the resource */
struct resource *reg_resource;
- reg_resource = new_resource(reg_dev, 0x100 + (reg | link));
+ reg_resource = new_resource(reg_dev, IOINDEX(0x100 + reg, link));
if (reg_resource) {
reg_resource->flags = 1;
}
}
}
}
-#if CONFIG_PCI_64BIT_PREF_MEM == 0
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- resource->base = 0x400;
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- resource->limit = 0xfcffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-#else
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, 0);
- resource->base = 0x400;
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO;
- compute_allocate_resource(&dev->link[0], resource,
- IORESOURCE_IO, IORESOURCE_IO);
- /* Initialize the system wide prefetchable memory resources constraints */
- resource = new_resource(dev, 1);
- resource->limit = 0xfcffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;
- compute_allocate_resource(&dev->link[0], resource,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- IORESOURCE_MEM | IORESOURCE_PREFETCH);
+ pci_domain_read_resources(dev);
- /* Initialize the system wide memory resources constraints */
+#if CONFIG_PCI_64BIT_PREF_MEM == 1
+ /* Initialize the system wide prefetchable memory resources constraints */
resource = new_resource(dev, 2);
resource->limit = 0xfcffffffffULL;
- resource->flags = IORESOURCE_MEM;
- compute_allocate_resource(&dev->link[0], resource,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- IORESOURCE_MEM);
+ resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;
#endif
}
return tolm;
}
-#if CONFIG_PCI_64BIT_PREF_MEM == 1
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH)
-#endif
-
#if CONFIG_HW_MEM_HOLE_SIZEK != 0
struct hw_mem_hole_info {
extern uint64_t high_tables_base, high_tables_size;
#endif
-static void pci_domain_set_resources(device_t dev)
+static void amdk8_domain_set_resources(device_t dev)
{
#if CONFIG_PCI_64BIT_PREF_MEM == 1
struct resource *io, *mem1, *mem2;
last = &dev->resource[dev->resources];
for(resource = &dev->resource[0]; resource < last; resource++)
{
-#if 1
resource->flags |= IORESOURCE_ASSIGNED;
- resource->flags &= ~IORESOURCE_STORED;
-#endif
- compute_allocate_resource(&dev->link[0], resource,
- BRIDGE_IO_MASK, resource->flags & BRIDGE_IO_MASK);
-
resource->flags |= IORESOURCE_STORED;
report_resource_stored(dev, resource, "");
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
+static unsigned int amdk8_domain_scan_bus(device_t dev, unsigned int max)
{
unsigned reg;
int i;
}
static struct device_operations pci_domain_ops = {
- .read_resources = pci_domain_read_resources,
- .set_resources = pci_domain_set_resources,
+ .read_resources = amdk8_domain_read_resources,
+ .set_resources = amdk8_domain_set_resources,
.enable_resources = enable_childrens_resources,
.init = 0,
- .scan_bus = pci_domain_scan_bus,
+ .scan_bus = amdk8_domain_scan_bus,
.ops_pci_bus = &pci_cf8_conf1,
};
.device = PCI_DEVICE_ID_CYRIX_PCI_MASTER,
};
-
-
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM)
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- printk_spew("%s:%s()\n", NORTHBRIDGE_FILE, __func__);
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0));
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0));
- resource->limit = 0xffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
.device = PCI_DEVICE_ID_NS_GX2,
};
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM)
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- printk_spew("%s:%s()\n", NORTHBRIDGE_FILE, __func__);
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0));
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0));
- resource->limit = 0xffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
#define IOD_BM(msr, pdid1, bizarro, ibase, imask) {msr, {.hi=(pdid1<<29)|(bizarro<<28)|(ibase>>12), .lo=(ibase<<20)|imask}}
#define IOD_SC(msr, pdid1, bizarro, en, wen, ren, ibase) {msr, {.hi=(pdid1<<29)|(bizarro<<28), .lo=(en<<24)|(wen<<21)|(ren<<20)|(ibase<<3)}}
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM)
-
extern void graphics_init(void);
extern void cpubug(void);
extern void chipsetinit(void);
.device = PCI_DEVICE_ID_AMD_LXBRIDGE,
};
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
- printk_spew(">> Entering northbridge.c: %s\n", __func__);
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- resource->limit = 0xffffUL;
- resource->flags =
- IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- resource->limit = 0xffffffffULL;
- resource->flags =
- IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
pci_set_method(dev);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- printk_spew(">> Entering northbridge.c: %s\n", __func__);
-
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
#include <cpu/cpu.h>
#include "chip.h"
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- resource->base = 0;
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- resource->base = 0x80000000ULL;
- resource->limit = 0xfeffffffULL; /* We can put pci resources in the system controll area */
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
#include <cpu/cpu.h>
#include "chip.h"
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- resource->base = 0;
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- resource->base = 0x80000000ULL;
- resource->limit = 0xfeffffffULL; /* We can put pci resources in the system controll area */
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
#include <bitops.h>
#include "chip.h"
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
- unsigned reg;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- resource->base = 0x400; //yhlu
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- resource->limit = 0xffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
}
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0));
- resource->base = 0;
- resource->size = 0;
- resource->align = 0;
- resource->gran = 0;
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0));
- resource->base = 0;
- resource->size = 0;
- resource->align = 0;
- resource->gran = 0;
- resource->limit = 0xffffffffUL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void tolm_test(void *gp, struct device *dev, struct resource *new)
{
struct resource **best_p = gp;
#if 1
printk_debug("PCI mem marker = %x\n", pci_tolm);
-#endif
+#endif
/* FIXME Me temporary hack */
if(pci_tolm > 0xe0000000)
pci_tolm = 0xe0000000;
remapbasek = 0x3ff << 16;
remaplimitk = 0 << 16;
remapoffsetk = 0 << 16;
- }
+ }
else {
/* The PCI memory hole overlaps memory
* setup the remap window.
ram_resource(dev, 5, 4096*1024, tomk - 4*1024*1024);
}
if (remaplimitk >= remapbasek) {
- ram_resource(dev, 6, remapbasek,
+ ram_resource(dev, 6, remapbasek,
(remaplimitk + 64*1024) - remapbasek);
}
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
+static u32 e7520_domain_scan_bus(device_t dev, u32 max)
{
- max = pci_scan_bus(&dev->link[0], 0, 0xff, max);
- if (max > max_bus) {
- max_bus = max;
- }
- return max;
+ max_bus = pci_domain_scan_bus(dev, max);
+ return max_bus;
}
static struct device_operations pci_domain_ops = {
.set_resources = pci_domain_set_resources,
.enable_resources = enable_childrens_resources,
.init = 0,
- .scan_bus = pci_domain_scan_bus,
+ .scan_bus = e7520_domain_scan_bus,
.ops_pci_bus = &pci_cf8_conf1, /* Do we want to use the memory mapped space here? */
};
IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
}
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0));
- resource->base = 0;
- resource->size = 0;
- resource->align = 0;
- resource->gran = 0;
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0));
- resource->base = 0;
- resource->size = 0;
- resource->align = 0;
- resource->gran = 0;
- resource->limit = 0xffffffffUL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void tolm_test(void *gp, struct device *dev, struct resource *new)
{
struct resource **best_p = gp;
#if 1
printk_debug("PCI mem marker = %x\n", pci_tolm);
-#endif
+#endif
/* FIXME Me temporary hack */
if(pci_tolm > 0xe0000000)
pci_tolm = 0xe0000000;
remapbasek = 0x3ff << 16;
remaplimitk = 0 << 16;
remapoffsetk = 0 << 16;
- }
+ }
else {
/* The PCI memory hole overlaps memory
* setup the remap window.
/* Report the memory regions */
ram_resource(dev, 3, 0, 640);
- ram_resource(dev, 4, 768, tolmk - 768);
+ ram_resource(dev, 4, 768, (tolmk - 768));
if (tomk > 4*1024*1024) {
ram_resource(dev, 5, 4096*1024, tomk - 4*1024*1024);
}
if (remaplimitk >= remapbasek) {
- ram_resource(dev, 6, remapbasek,
+ ram_resource(dev, 6, remapbasek,
(remaplimitk + 64*1024) - remapbasek);
}
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
+static u32 e7525_domain_scan_bus(device_t dev, u32 max)
{
- max = pci_scan_bus(&dev->link[0], 0, 0xff, max);
- if (max > max_bus) {
- max_bus = max;
- }
- return max;
+ max_bus = pci_domain_scan_bus(dev, max);
+ return max_bus;
}
static struct device_operations pci_domain_ops = {
.set_resources = pci_domain_set_resources,
.enable_resources = enable_childrens_resources,
.init = 0,
- .scan_bus = pci_domain_scan_bus,
+ .scan_bus = e7525_domain_scan_bus,
.ops_pci_bus = &pci_cf8_conf1, /* Do we want to use the memory mapped space here? */
};
IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
}
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0));
- resource->base = 0;
- resource->size = 0;
- resource->align = 0;
- resource->gran = 0;
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0));
- resource->base = 0;
- resource->size = 0;
- resource->align = 0;
- resource->gran = 0;
- resource->limit = 0xffffffffUL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void tolm_test(void *gp, struct device *dev, struct resource *new)
{
struct resource **best_p = gp;
assign_resources(&dev->link[0]);
}
-static u32 pci_domain_scan_bus(device_t dev, u32 max)
+static u32 i3100_domain_scan_bus(device_t dev, u32 max)
{
- max = pci_scan_bus(&dev->link[0], 0, 0xff, max);
- if (max > max_bus) {
- max_bus = max;
- }
- return max;
+ max_bus = pci_domain_scan_bus(dev, max);
+ return max_bus;
}
static struct device_operations pci_domain_ops = {
.set_resources = pci_domain_set_resources,
.enable_resources = enable_childrens_resources,
.init = 0,
- .scan_bus = pci_domain_scan_bus,
+ .scan_bus = i3100_domain_scan_bus,
.ops_pci_bus = &pci_cf8_conf1, /* Do we want to use the memory mapped space here? */
};
.device = 0x7190,
};
-
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM)
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0));
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0));
- resource->limit = 0xffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
extern uint64_t high_tables_base, high_tables_size;
#endif
-static void pci_domain_set_resources(device_t dev)
+static void i440bx_domain_set_resources(device_t dev)
{
device_t mc_dev;
uint32_t pci_tolm;
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
- .set_resources = pci_domain_set_resources,
+ .set_resources = i440bx_domain_set_resources,
.enable_resources = enable_childrens_resources,
.init = 0,
.scan_bus = pci_domain_scan_bus,
.device = 0x7120,
};
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM)
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
- unsigned reg;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- resource->base = 0x400;
- resource->limit = 0xffffUL;
- resource->flags =
- IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- resource->limit = 0xffffffffULL;
- resource->flags =
- IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
.device = 0x3575,
};
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM)
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- /* Initialize the system wide I/O space constraints. */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- resource->limit = 0xffffUL;
- resource->flags =
- IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints. */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- resource->limit = 0xffffffffULL;
- resource->flags =
- IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
#include <cpu/x86/cache.h>
#include "chip.h"
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM)
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
- unsigned reg;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- resource->limit = 0xffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
#include <bitops.h>
#include "chip.h"
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM)
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- resource->limit = 0xffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
}
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- resource->base = 0;
- resource->size = 0;
- resource->align = 0;
- resource->gran = 0;
- resource->limit = 0xffffUL;
- resource->flags =
- IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- resource->base = 0;
- resource->size = 0;
- resource->align = 0;
- resource->gran = 0;
- resource->limit = 0xffffffffUL;
- resource->flags =
- IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void tolm_test(void *gp, struct device *dev, struct resource *new)
{
struct resource **best_p = gp;
#endif
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], 0, 0xff, max);
/* TODO We could determine how many PCIe busses we need in
* the bar. For now that number is hardcoded to a max of 64.
+ * See e7525/northbridge.c for an example.
*/
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
* be large enough to hold all expected resources for all PCI
* devices.
*/
-static void pci_domain_read_resources(device_t dev)
+static void mpc107_domain_read_resources(device_t dev)
{
struct resource *resource;
assign_resources(&dev->link[0]);
}
-
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
- .read_resources = pci_domain_read_resources,
+ .read_resources = mpc107_domain_read_resources,
.set_resources = pci_domain_set_resources,
.enable_resources = enable_childrens_resources,
.init = 0,
.device = PCI_DEVICE_ID_VIA_CN400_MEMCTRL,
};
-static void pci_domain_read_resources(device_t dev)
+static void cn400_domain_read_resources(device_t dev)
{
struct resource *resource;
- printk_spew("Entering cn400 pci_domain_read_resources.\n");
+ printk_spew("Entering %s.\n", __func__);
/* Initialize the system wide I/O space constraints. */
resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
IORESOURCE_ASSIGNED;
- printk_spew("Leaving cn400 pci_domain_read_resources.\n");
+ printk_spew("Leaving %s.\n", __func__);
}
static void ram_resource(device_t dev, unsigned long index,
extern uint64_t high_tables_base, high_tables_size;
#endif
-static void pci_domain_set_resources(device_t dev)
+static void cn400_domain_set_resources(device_t dev)
{
/* The order is important to find the correct RAM size. */
static const u8 ramregs[] = { 0x43, 0x42, 0x41, 0x40 };
device_t mc_dev;
u32 pci_tolm;
- printk_spew("Entering cn400 pci_domain_set_resources.\n");
+ printk_spew("Entering %s.\n", __func__);
pci_tolm = find_pci_tolm(&dev->link[0]);
mc_dev = dev_find_device(PCI_VENDOR_ID_VIA,
}
assign_resources(&dev->link[0]);
- printk_spew("Leaving cn400 pci_domain_set_resources.\n");
+ printk_spew("Leaving %s.\n", __func__);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
+static unsigned int cn400_domain_scan_bus(device_t dev, unsigned int max)
{
- printk_debug("Entering cn400 pci_domain_scan_bus.\n");
+ printk_debug("Entering %s.\n", __func__);
max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
return max;
}
static const struct device_operations pci_domain_ops = {
- .read_resources = pci_domain_read_resources,
- .set_resources = pci_domain_set_resources,
+ .read_resources = cn400_domain_read_resources,
+ .set_resources = cn400_domain_set_resources,
.enable_resources = enable_childrens_resources,
.init = 0,
- .scan_bus = pci_domain_scan_bus,
+ .scan_bus = cn400_domain_scan_bus,
};
static void cpu_bus_init(device_t dev)
.device = PCI_DEVICE_ID_VIA_CN700_MEMCTRL,
};
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- printk_spew("Entering cn700 pci_domain_read_resources.\n");
-
- /* Initialize the system wide I/O space constraints. */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
- IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints. */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- resource->limit = 0xffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
- IORESOURCE_ASSIGNED;
-
- printk_spew("Leaving cn700 pci_domain_read_resources.\n");
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- printk_debug("Entering cn700 pci_domain_scan_bus.\n");
-
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static const struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
void cx700_read_resources(device_t dev)
{
- struct resource *resource;
+ struct resource *res;
/* Make sure we call our childrens set/enable functions - these
* are not called unless this device has a resource to set.
pci_dev_read_resources(dev);
- resource = new_resource(dev, 1);
- resource->flags |=
- IORESOURCE_FIXED | IORESOURCE_ASSIGNED | IORESOURCE_IO | IORESOURCE_STORED;
- resource->size = 2;
- resource->base = 0x2e;
+ res = new_resource(dev, 1);
+ res->base = 0x0UL;
+ res->size = 0x400UL;
+ res->limit = 0xffffUL;
+ res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
void cx700_set_resources(device_t dev)
#include "chip.h"
#include "northbridge.h"
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- resource->limit = 0xffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
.device = 0x0601, /* 0x8601 is the AGP bridge? */
};
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM)
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0));
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0));
- resource->limit = 0xffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
.device = 0x3122,
};
-
-#define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM)
-
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- printk_spew("Entering vt8623 pci_domain_read_resources.\n");
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0,0));
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
- IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1,0));
- resource->limit = 0xffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
- IORESOURCE_ASSIGNED;
-
- printk_spew("Leaving vt8623 pci_domain_read_resources.\n");
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- printk_spew("Entering vt8623 pci_domain_scan_bus.\n");
-
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
.device = PCI_DEVICE_ID_VIA_VX855_MEMCTRL,
};
-static void pci_domain_read_resources(device_t dev)
-{
- struct resource *resource;
-
- printk_spew("Entering vx800 pci_domain_read_resources.\n");
-
- /* Initialize the system wide io space constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- resource->limit = 0xffffUL;
- resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
- IORESOURCE_ASSIGNED;
-
- /* Initialize the system wide memory resources constraints */
- resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- resource->limit = 0xffffffffULL;
- resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
- IORESOURCE_ASSIGNED;
-
- printk_spew("Leaving vx800 pci_domain_read_resources.\n");
-}
-
static void ram_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek)
{
assign_resources(&dev->link[0]);
}
-static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max)
-{
- printk_debug("Entering vx800 pci_domain_scan_bus.\n");
-
- max = pci_scan_bus(&dev->link[0], PCI_DEVFN(0, 0), 0xff, max);
- return max;
-}
-
static const struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
{
struct resource *res;
- /* Get the normal pci resources of this device */
+ /* Get the normal PCI resources of this device. */
pci_dev_read_resources(dev);
- /* Add an extra subtractive resource for both memory and I/O */
+ /* Add an extra subtractive resource for both memory and I/O. */
res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0xff800000;
+ res->size = 0x00800000; /* 8 MB for flash */
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
static void amd8111_lpc_enable_resources(device_t dev)
/* set the memory range */
dev->command |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
res->flags |= IORESOURCE_STORED;
- compute_allocate_resource(&dev->link[0], res,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- IORESOURCE_MEM);
base = res->base;
end = resource_end(res);
pci_write_config16(dev, PCI_MEMORY_BASE, base >> 16);
/* set the memory range */
dev->command |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
res->flags |= IORESOURCE_STORED;
- compute_allocate_resource(&dev->link[0], res,
- IORESOURCE_MEM | IORESOURCE_PREFETCH,
- IORESOURCE_MEM);
base = res->base;
end = resource_end(res);
pci_write_config16(dev, PCI_MEMORY_BASE, base >> 16);
#include <device/pci_ids.h>
#include "cs5530.h"
+static void cs5530_read_resources(device_t dev)
+{
+ struct resource* res;
+
+ pci_dev_read_resources(dev);
+
+ res = new_resource(dev, 1);
+ res->base = 0x0UL;
+ res->size = 0x400UL;
+ res->limit = 0xffffUL;
+ res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+}
+
static void isa_init(struct device *dev)
{
uint8_t reg8;
}
static struct device_operations isa_ops = {
- .read_resources = pci_dev_read_resources,
+ .read_resources = cs5530_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = cs5530_pci_dev_enable_resources,
.init = isa_init,
printk_spew("%s: dev is %p\n", __func__, dev);
}
+static void cs5535_read_resources(device_t dev)
+{
+ struct resource* res;
+
+ pci_dev_read_resources(dev);
+
+ res = new_resource(dev, 1);
+ res->base = 0x0UL;
+ res->size = 0x400UL;
+ res->limit = 0xffffUL;
+ res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+}
+
static void cs5535_pci_dev_enable_resources(device_t dev)
{
printk_spew("cs5535.c: %s()\n", __func__);
}
static struct device_operations southbridge_ops = {
- .read_resources = pci_dev_read_resources,
+ .read_resources = cs5535_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = cs5535_pci_dev_enable_resources,
.init = southbridge_init,
}
}
+static void cs5536_read_resources(device_t dev)
+{
+ struct resource *res;
+
+ pci_dev_read_resources(dev);
+
+ res = new_resource(dev, 1);
+ res->base = 0x0UL;
+ res->size = 0x400UL;
+ res->limit = 0xffffUL;
+ res->flags = IORESOURCE_IO |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+}
+
static void southbridge_enable(struct device *dev)
{
printk_err("cs5536: %s: dev is %p\n", __func__, dev);
}
static struct device_operations southbridge_ops = {
- .read_resources = pci_dev_read_resources,
+ .read_resources = cs5536_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = cs5536_pci_dev_enable_resources,
.init = southbridge_init,
pci_get_resource(dev, 0xA0); /* SPI ROM base address */
- /* Add an extra subtractive resource for both memory and I/O */
+ /* Add an extra subtractive resource for both memory and I/O. */
res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- res->flags =
- IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- res->flags =
- IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0xff800000;
+ res->size = 0x00800000; /* 8 MB for flash */
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
compact_resources(dev);
}
for (child = dev->link[link].children; child;
child = child->sibling) {
enable_resources(child);
- if (child->have_resources
+ if (child->enabled
&& (child->path.type == DEVICE_PATH_PNP)) {
for (i = 0; i < child->resources; i++) {
struct resource *res;
static void bcm5785_lpc_read_resources(device_t dev)
{
struct resource *res;
- unsigned long index;
/* Get the normal pci resources of this device */
- pci_dev_read_resources(dev);
-
- /* Add an extra subtractive resource for both memory and I/O */
- res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
- res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
+ pci_dev_read_resources(dev);
+
+ /* Add an extra subtractive resource for both memory and I/O. */
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
+ res->base = 0xff800000;
+ res->size = 0x00800000; /* 8 MB for flash */
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
/**
device_t child;
for (child = dev->link[link].children; child; child = child->sibling) {
enable_resources(child);
- if(child->have_resources && (child->path.type == DEVICE_PATH_PNP)) {
+ if(child->enabled && (child->path.type == DEVICE_PATH_PNP)) {
for(i=0;i<child->resources;i++) {
struct resource *res;
unsigned long base, end; // don't need long long
/* Get the normal pci resources of this device */
pci_dev_read_resources(dev);
-
/* Get Resource for SMBUS */
pci_get_resource(dev, 0x90);
/* Add the GPIO BAR */
res = pci_get_resource(dev, GPIO_BAR);
- /* Add an extra subtractive resource for both memory and I/O */
+ /* Add an extra subtractive resource for both memory and I/O. */
res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0xff800000;
+ res->size = 0x00800000; /* 8 MB for flash */
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
static void esb6300_lpc_enable_resources(device_t dev)
/* Add the GPIO BAR */
res = pci_get_resource(dev, GPIO_BAR);
- /* Add an extra subtractive resource for both memory and I/O */
+ /* Add an extra subtractive resource for both memory and I/O. */
res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0xff800000;
+ res->size = 0x00800000; /* 8 MB for flash */
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
/* Add resource for RCBA */
res = new_resource(dev, RCBA);
isa_dma_init();
}
-static const struct device_operations isa_ops = {
- .read_resources = pci_dev_read_resources,
+static void sb_read_resources(struct device *dev)
+{
+ struct resource *res;
+
+ pci_dev_read_resources(dev);
+
+ res = new_resource(dev, 1);
+ res->base = 0x0UL;
+ res->size = 0x1000UL;
+ res->limit = 0xffffUL;
+ res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 2);
+ res->base = 0xff800000UL;
+ res->size = 0x00800000UL; /* 8 MB for flash */
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+}
+
+const struct device_operations isa_ops = {
+ .read_resources = sb_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = isa_init,
{
struct resource *res;
- /* Get the normal pci resources of this device */
+ /* Get the normal PCI resources of this device. */
pci_dev_read_resources(dev);
- /* Add an extra subtractive resource for both memory and I/O */
+ /* Add an extra subtractive resource for both memory and I/O. */
res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0xff800000;
+ res->size = 0x00800000; /* 8 MB for flash */
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
static void i82801ca_lpc_enable_resources(device_t dev)
{
struct resource *res;
- /* Get the normal pci resources of this device */
+ /* Get the normal PCI resources of this device. */
pci_dev_read_resources(dev);
- /* Add an extra subtractive resource for both memory and I/O */
+ /* Add an extra subtractive resource for both memory and I/O. */
res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0xff800000;
+ res->size = 0x00800000; /* 8 MB for flash */
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
static void i82801dbm_lpc_enable_resources(device_t dev)
{
struct resource *res;
- /* Get the normal pci resources of this device */
+ /* Get the normal PCI resources of this device. */
pci_dev_read_resources(dev);
/* Add the ACPI BAR */
/* Add the GPIO BAR */
res = pci_get_resource(dev, GPIO_BAR);
- /* Add an extra subtractive resource for both memory and I/O */
+ /* Add an extra subtractive resource for both memory and I/O. */
res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0xff800000;
+ res->size = 0x00800000; /* 8 MB for flash */
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
static void i82801er_lpc_enable_resources(device_t dev)
/* Add an extra subtractive resource for both memory and I/O. */
res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- res->flags =
- IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- res->flags =
- IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0xff800000;
+ res->size = 0x00800000; /* 8 MB for flash */
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
static void i82801gx_lpc_enable_resources(device_t dev)
/* Add an extra subtractive resource for both memory and I/O. */
res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- res->flags =
- IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- res->flags =
- IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0xff800000;
+ res->size = 0x00800000; /* 8 MB for flash */
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
static void i82801xx_lpc_enable_resources(device_t dev)
/* Add an extra subtractive resource for both memory and I/O. */
res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- res->flags =
- IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- res->flags =
- IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0xff800000;
+ res->size = 0x00800000; /* 8 MB for flash */
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
/**
device_t child;
for (child = dev->link[link].children; child; child = child->sibling) {
enable_resources(child);
- if (child->have_resources && (child->path.type == DEVICE_PATH_PNP)) {
+ if (child->enabled && (child->path.type == DEVICE_PATH_PNP)) {
for (i = 0; i < child->resources; i++) {
struct resource *res;
unsigned long base, end; // don't need long long
#include <console/console.h>
#include <device/device.h>
+#include <device/resource.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
static void pci_init(struct device *dev)
{
uint32_t dword;
-#if CONFIG_PCI_64BIT_PREF_MEM == 1
device_t pci_domain_dev;
- struct resource *mem1, *mem2;
-#endif
+ struct resource *mem, *pref;
dword = pci_read_config32(dev, 0x04);
dword |= (1 << 8); /* System error enable */
pci_write_config32(dev, 0x4c, dword);
#endif
-#if CONFIG_PCI_64BIT_PREF_MEM == 1
pci_domain_dev = dev->bus->dev;
while (pci_domain_dev) {
if (pci_domain_dev->path.type == DEVICE_PATH_PCI_DOMAIN)
if (!pci_domain_dev)
return; /* Impossible */
- mem1 = find_resource(pci_domain_dev, 1); // prefmem, it could be 64bit
- mem2 = find_resource(pci_domain_dev, 2); // mem
- if (mem1->base > mem2->base) {
- dword = mem2->base & (0xffff0000UL);
- printk_debug("PCI DOMAIN mem2 base = 0x%010Lx\n", mem2->base);
+ pref = probe_resource(pci_domain_dev, IOINDEX_SUBTRACTIVE(2,0));
+ mem = probe_resource(pci_domain_dev, IOINDEX_SUBTRACTIVE(1,0));
+
+ if (!mem)
+ return; /* Impossible */
+
+ if (!pref || pref->base > mem->base) {
+ dword = mem->base & (0xffff0000UL);
+ printk_debug("PCI DOMAIN mem base = 0x%010Lx\n", mem->base);
} else {
- dword = mem1->base & (0xffff0000UL);
- printk_debug("PCI DOMAIN mem1 (prefmem) base = 0x%010Lx\n",
- mem1->base);
+ dword = pref->base & (0xffff0000UL);
+ printk_debug("PCI DOMAIN pref base = 0x%010Lx\n", pref->base);
}
-#else
- dword = dev_root.resource[1].base & (0xffff0000UL);
- printk_debug("dev_root mem base = 0x%010Lx\n",
- dev_root.resource[1].base);
-#endif
printk_debug("[0x50] <-- 0x%08x\n", dword);
pci_write_config32(dev, 0x50, dword); /* TOM */
{
struct resource *res;
- /* Get the normal pci resources of this device */
- pci_dev_read_resources(dev); // We got one for APIC, or one more for TRAP
+ /* Get the normal PCI resources of this device. */
+ /* We got one for APIC, or one more for TRAP. */
+ pci_dev_read_resources(dev);
- /* Add an extra subtractive resource for both memory and I/O */
+ /* Add an extra subtractive resource for both memory and I/O. */
res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
+ res->base = 0xff800000;
+ res->size = 0x00800000; /* 8 MB for flash */
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
/**
*
* @param dev the device whos children's resources are to be enabled
*
- * This function is call by the global enable_resources() indirectly via the
+ * This function is called by the global enable_resources() indirectly via the
* device_operation::enable_resources() method of devices.
*
* Indirect mutual recursion:
device_t child;
for (child = dev->link[link].children; child; child = child->sibling) {
enable_resources(child);
- if(child->have_resources && (child->path.type == DEVICE_PATH_PNP)) {
+ if(child->enabled && (child->path.type == DEVICE_PATH_PNP)) {
for(i=0;i<child->resources;i++) {
struct resource *res;
unsigned long base, end; // don't need long long
#include <console/console.h>
#include <device/device.h>
+#include <device/resource.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
uint32_t dword;
uint16_t word;
-#if CONFIG_PCI_64BIT_PREF_MEM == 1
device_t pci_domain_dev;
- struct resource *mem1, *mem2;
-#endif
+ struct resource *mem, *pref;
/* System error enable */
dword = pci_read_config32(dev, 0x04);
pci_write_config32(dev, 0x4c, dword);
#endif
-#if CONFIG_PCI_64BIT_PREF_MEM == 1
pci_domain_dev = dev->bus->dev;
- while(pci_domain_dev) {
- if(pci_domain_dev->path.type == DEVICE_PATH_PCI_DOMAIN) break;
+ while (pci_domain_dev) {
+ if (pci_domain_dev->path.type == DEVICE_PATH_PCI_DOMAIN)
+ break;
pci_domain_dev = pci_domain_dev->bus->dev;
}
- if(!pci_domain_dev) return; // impossiable
- mem1 = find_resource(pci_domain_dev, 1); // prefmem, it could be 64bit
- mem2 = find_resource(pci_domain_dev, 2); // mem
- if(mem1->base > mem2->base) {
- dword = mem2->base & (0xffff0000UL);
- printk_debug("PCI DOMAIN mem2 base = 0x%010Lx\n", mem2->base);
+ if (!pci_domain_dev)
+ return; /* Impossible */
+
+ pref = probe_resource(pci_domain_dev, IOINDEX_SUBTRACTIVE(2,0));
+ mem = probe_resource(pci_domain_dev, IOINDEX_SUBTRACTIVE(1,0));
+
+ if (!mem)
+ return; /* Impossible */
+
+ if (!pref || pref->base > mem->base) {
+ dword = mem->base & (0xffff0000UL);
+ printk_debug("PCI DOMAIN mem base = 0x%010Lx\n", mem->base);
} else {
- dword = mem1->base & (0xffff0000UL);
- printk_debug("PCI DOMAIN mem1 (prefmem) base = 0x%010Lx\n", mem1->base);
+ dword = pref->base & (0xffff0000UL);
+ printk_debug("PCI DOMAIN pref base = 0x%010Lx\n", pref->base);
}
-#else
- dword = dev_root.resource[1].base & (0xffff0000UL);
- printk_debug("dev_root mem base = 0x%010Lx\n", dev_root.resource[1].base);
-#endif
- printk_debug("[0x50] <-- 0x%08x\n", dword);
- pci_write_config32(dev, 0x50, dword); //TOM
+ printk_debug("[0x50] <-- 0x%08x\n", dword);
+ pci_write_config32(dev, 0x50, dword); /* TOM */
}
static struct pci_operations lops_pci = {
resource = find_resource(dev,1);
if( !(resource->flags & IORESOURCE_STORED) ){
resource->flags |= IORESOURCE_STORED ;
- compute_allocate_resource(&dev->link[0],resource,resource->flags,resource->flags);
printk_debug("%s 1 ==> %x\n",dev_path(dev),resource->base);
cf_base = resource->base;
}
/* Get the normal pci resources of this device */
pci_dev_read_resources(dev); // We got one for APIC, or one more for TRAP
- /* Add an extra subtractive resource for both memory and I/O */
+ /* Add an extra subtractive resource for both memory and I/O. */
res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
- res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
res = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
- res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE | IORESOURCE_ASSIGNED;
-
+ res->base = 0xff800000;
+ res->size = 0x00800000; /* 8 MB for flash */
+ res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+ IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
/**
device_t child;
for (child = dev->link[link].children; child; child = child->sibling) {
enable_resources(child);
- if(child->have_resources && (child->path.type == DEVICE_PATH_PNP)) {
+ if(child->enabled && (child->path.type == DEVICE_PATH_PNP)) {
for(i=0;i<child->resources;i++) {
struct resource *res;
unsigned long base, end; // don't need long long
rtc_init(0);
}
+void vt8231_read_resources(device_t dev)
+{
+ struct resource *res;
+
+ pci_dev_read_resources(dev);
+
+ res = new_resource(dev, 1);
+ res->base = 0x0UL;
+ res->size = 0x400UL;
+ res->limit = 0xffffUL;
+ res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+}
+
static void southbridge_init(struct device *dev)
{
vt8231_init(dev);
}
static struct device_operations vt8231_lpc_ops = {
- .read_resources = pci_dev_read_resources,
+ .read_resources = vt8231_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = &southbridge_init,
device has a resource to set - so set a dummy one */
void vt8235_read_resources(device_t dev)
{
+ struct resource *res;
- struct resource *resource;
pci_dev_read_resources(dev);
- resource = new_resource(dev, 1);
- resource->flags |= IORESOURCE_FIXED | IORESOURCE_ASSIGNED | IORESOURCE_IO | IORESOURCE_STORED;
- resource->size = 2;
- resource->base = 0x2e;
+ res = new_resource(dev, 1);
+ res->base = 0x0UL;
+ res->size = 0x400UL;
+ res->limit = 0xffffUL;
+ res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
+
void vt8235_set_resources(device_t dev)
{
struct resource *resource;
enable_childrens_resources(dev);
}
+static void w83c553_read_resources(device_t dev)
+{
+ struct resource* res;
+
+ pci_dev_read_resources(dev);
+
+ res = new_resource(dev, 1);
+ res->base = 0x0UL;
+ res->size = 0x400UL;
+ res->limit = 0xffffUL;
+ res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+
+ res = new_resource(dev, 3); /* IOAPIC */
+ res->base = 0xfec00000;
+ res->size = 0x00001000;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+}
+
static struct device_operations w83c553_ops = {
- .read_resources = pci_dev_read_resources,
+ .read_resources = w83c553_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = w83c553_enable_resources,
.init = w83c553_init,
projects / coreboot.git / commitdiff