From ba5feb12581bb2912ce301e4866b71f846e9fc07 Mon Sep 17 00:00:00 2001 From: Ed Swarthout Date: Wed, 11 Jul 2007 14:51:48 -0500 Subject: Minor improvements to drivers/pci_auto.c - Make pciauto_{pre,post}scan_setup_bridge non-static - Added physical address display in debug messages. Signed-off-by: Ed Swarthout --- drivers/pci_auto.c | 29 ++++++++++++++++++++--------- 1 file changed, 20 insertions(+), 9 deletions(-) (limited to 'drivers/pci_auto.c') diff --git a/drivers/pci_auto.c b/drivers/pci_auto.c index f170c2db89..9fa18e5427 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; @@ -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; @@ -211,7 +211,7 @@ 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; @@ -282,25 +282,36 @@ 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); + } } -- cgit From e8b85f3ba4cd8930e0a2fea2100c815d64201765 Mon Sep 17 00:00:00 2001 From: Ed Swarthout Date: Wed, 11 Jul 2007 14:52:08 -0500 Subject: pciauto setup bridge The P2P bridge bus numbers programmed into the device are relative to hose->first_busno. Signed-off-by: Ed Swarthout --- drivers/pci_auto.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'drivers/pci_auto.c') diff --git a/drivers/pci_auto.c b/drivers/pci_auto.c index 9fa18e5427..f16f8d3c84 100644 --- a/drivers/pci_auto.c +++ b/drivers/pci_auto.c @@ -165,8 +165,10 @@ 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) { @@ -219,7 +221,8 @@ 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 */ -- cgit From 5dc210dec5bace98a50b6ba905347890091a9bb0 Mon Sep 17 00:00:00 2001 From: Ed Swarthout Date: Wed, 11 Jul 2007 14:52:16 -0500 Subject: Add simple agent/end-point configuration in PCI AutoConfig for PCI_CLASS_PROCESSOR_POWERPC. Signed-off-by: Ed Swarthout --- drivers/pci_auto.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/pci_auto.c') diff --git a/drivers/pci_auto.c b/drivers/pci_auto.c index f16f8d3c84..a3c609ba49 100644 --- a/drivers/pci_auto.c +++ b/drivers/pci_auto.c @@ -331,6 +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); -- cgit