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path: root/drivers/pci_auto.c
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Diffstat (limited to 'drivers/pci_auto.c')
-rw-r--r--drivers/pci_auto.c46
1 files changed, 33 insertions, 13 deletions
diff --git a/drivers/pci_auto.c b/drivers/pci_auto.c
index f170c2d..2378553 100644
--- a/drivers/pci_auto.c
+++ b/drivers/pci_auto.c
@@ -65,7 +65,7 @@ int pciauto_region_allocate(struct pci_region* res, unsigned int size, unsigned
res->bus_lower = addr + size;
- DEBUGF("address=0x%lx", addr);
+ DEBUGF("address=0x%lx bus_lower=%x", addr, res->bus_lower);
*bar = addr;
return 0;
@@ -94,7 +94,7 @@ void pciauto_setup_device(struct pci_controller *hose,
pci_hose_read_config_dword(hose, dev, PCI_COMMAND, &cmdstat);
cmdstat = (cmdstat & ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) | PCI_COMMAND_MASTER;
- for (bar = PCI_BASE_ADDRESS_0; bar <= PCI_BASE_ADDRESS_0 + (bars_num*4); bar += 4) {
+ for (bar = PCI_BASE_ADDRESS_0; bar < PCI_BASE_ADDRESS_0 + (bars_num*4); bar += 4) {
/* Tickle the BAR and get the response */
pci_hose_write_config_dword(hose, dev, bar, 0xffffffff);
pci_hose_read_config_dword(hose, dev, bar, &bar_response);
@@ -154,7 +154,7 @@ void pciauto_setup_device(struct pci_controller *hose,
pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, 0x80);
}
-static void pciauto_prescan_setup_bridge(struct pci_controller *hose,
+void pciauto_prescan_setup_bridge(struct pci_controller *hose,
pci_dev_t dev, int sub_bus)
{
struct pci_region *pci_mem = hose->pci_mem;
@@ -165,8 +165,10 @@ static void pciauto_prescan_setup_bridge(struct pci_controller *hose,
pci_hose_read_config_dword(hose, dev, PCI_COMMAND, &cmdstat);
/* Configure bus number registers */
- pci_hose_write_config_byte(hose, dev, PCI_PRIMARY_BUS, PCI_BUS(dev));
- pci_hose_write_config_byte(hose, dev, PCI_SECONDARY_BUS, sub_bus);
+ pci_hose_write_config_byte(hose, dev, PCI_PRIMARY_BUS,
+ PCI_BUS(dev) - hose->first_busno);
+ pci_hose_write_config_byte(hose, dev, PCI_SECONDARY_BUS,
+ sub_bus - hose->first_busno);
pci_hose_write_config_byte(hose, dev, PCI_SUBORDINATE_BUS, 0xff);
if (pci_mem) {
@@ -211,7 +213,7 @@ static void pciauto_prescan_setup_bridge(struct pci_controller *hose,
pci_hose_write_config_dword(hose, dev, PCI_COMMAND, cmdstat | PCI_COMMAND_MASTER);
}
-static void pciauto_postscan_setup_bridge(struct pci_controller *hose,
+void pciauto_postscan_setup_bridge(struct pci_controller *hose,
pci_dev_t dev, int sub_bus)
{
struct pci_region *pci_mem = hose->pci_mem;
@@ -219,7 +221,8 @@ static void pciauto_postscan_setup_bridge(struct pci_controller *hose,
struct pci_region *pci_io = hose->pci_io;
/* Configure bus number registers */
- pci_hose_write_config_byte(hose, dev, PCI_SUBORDINATE_BUS, sub_bus);
+ pci_hose_write_config_byte(hose, dev, PCI_SUBORDINATE_BUS,
+ sub_bus - hose->first_busno);
if (pci_mem) {
/* Round memory allocator to 1MB boundary */
@@ -282,25 +285,36 @@ void pciauto_config_init(struct pci_controller *hose)
if (hose->pci_mem) {
pciauto_region_init(hose->pci_mem);
- DEBUGF("PCI Autoconfig: Memory region: [%lx-%lx]\n",
+ DEBUGF("PCI Autoconfig: Bus Memory region: [%lx-%lx],\n"
+ "\t\tPhysical Memory [%x-%x]\n",
hose->pci_mem->bus_start,
- hose->pci_mem->bus_start + hose->pci_mem->size - 1);
+ hose->pci_mem->bus_start + hose->pci_mem->size - 1,
+ hose->pci_mem->phys_start,
+ hose->pci_mem->phys_start + hose->pci_mem->size - 1);
}
if (hose->pci_prefetch) {
pciauto_region_init(hose->pci_prefetch);
- DEBUGF("PCI Autoconfig: Prefetchable Memory region: [%lx-%lx]\n",
+ DEBUGF("PCI Autoconfig: Bus Prefetchable Mem: [%lx-%lx],\n"
+ "\t\tPhysical Memory [%x-%x]\n",
hose->pci_prefetch->bus_start,
- hose->pci_prefetch->bus_start + hose->pci_prefetch->size - 1);
+ hose->pci_prefetch->bus_start + hose->pci_prefetch->size - 1,
+ hose->pci_prefetch->phys_start,
+ hose->pci_prefetch->phys_start +
+ hose->pci_prefetch->size - 1);
}
if (hose->pci_io) {
pciauto_region_init(hose->pci_io);
- DEBUGF("PCI Autoconfig: I/O region: [%lx-%lx]\n",
+ DEBUGF("PCI Autoconfig: Bus I/O region: [%lx-%lx],\n"
+ "\t\tPhysical Memory: [%x-%x]\n",
hose->pci_io->bus_start,
- hose->pci_io->bus_start + hose->pci_io->size - 1);
+ hose->pci_io->bus_start + hose->pci_io->size - 1,
+ hose->pci_io->phys_start,
+ hose->pci_io->phys_start + hose->pci_io->size - 1);
+
}
}
@@ -317,6 +331,12 @@ int pciauto_config_device(struct pci_controller *hose, pci_dev_t dev)
pci_hose_read_config_word(hose, dev, PCI_CLASS_DEVICE, &class);
switch(class) {
+ case PCI_CLASS_PROCESSOR_POWERPC: /* an agent or end-point */
+ DEBUGF("PCI AutoConfig: Found PowerPC device\n");
+ pciauto_setup_device(hose, dev, 6, hose->pci_mem,
+ hose->pci_prefetch, hose->pci_io);
+ break;
+
case PCI_CLASS_BRIDGE_PCI:
hose->current_busno++;
pciauto_setup_device(hose, dev, 2, hose->pci_mem, hose->pci_prefetch, hose->pci_io);