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Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/fsl_pci_init.c12
-rw-r--r--drivers/pci/pci.c130
2 files changed, 110 insertions, 32 deletions
diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c
index 1f021036e5f..5b34dcbb0fe 100644
--- a/drivers/pci/fsl_pci_init.c
+++ b/drivers/pci/fsl_pci_init.c
@@ -391,11 +391,11 @@ void fsl_pci_init(struct pci_controller *hose, u32 cfg_addr, u32 cfg_data)
* 1 == pci agent or pcie end-point
*/
if (!temp8) {
- printf(" Scanning PCI bus %02x\n",
+ debug(" Scanning PCI bus %02x\n",
hose->current_busno);
hose->last_busno = pci_hose_scan_bus(hose, hose->current_busno);
} else {
- debug(" Not scanning PCI bus %02x. PI=%x\n",
+ debug(" Not scanning PCI bus %02x. PI=%x\n",
hose->current_busno, temp8);
hose->last_busno = hose->current_busno;
}
@@ -441,6 +441,8 @@ int fsl_pci_init_port(struct fsl_pci_info *pci_info,
{
volatile ccsr_fsl_pci_t *pci;
struct pci_region *r;
+ pci_dev_t dev = PCI_BDF(busno,0,0);
+ u8 pcie_cap;
pci = (ccsr_fsl_pci_t *) pci_info->regs;
@@ -479,8 +481,10 @@ int fsl_pci_init_port(struct fsl_pci_info *pci_info,
hose->last_busno = hose->first_busno;
}
- printf(" PCIE%x on bus %02x - %02x\n", pci_info->pci_num,
- hose->first_busno, hose->last_busno);
+ pci_hose_read_config_byte(hose, dev, FSL_PCIE_CAP_ID, &pcie_cap);
+ printf("PCI%s%x: Bus %02x - %02x\n", pcie_cap == PCI_CAP_ID_EXP ?
+ "E" : "", pci_info->pci_num,
+ hose->first_busno, hose->last_busno);
return(hose->last_busno + 1);
}
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 848746f1ed2..702ac678260 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -510,6 +510,71 @@ void pci_cfgfunc_do_nothing(struct pci_controller *hose,
extern int pciauto_config_device(struct pci_controller *hose, pci_dev_t dev);
extern void pciauto_config_init(struct pci_controller *hose);
+#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI_SCAN_SHOW)
+const char * pci_class_str(u8 class)
+{
+ switch (class) {
+ case PCI_CLASS_NOT_DEFINED:
+ return "Build before PCI Rev2.0";
+ break;
+ case PCI_BASE_CLASS_STORAGE:
+ return "Mass storage controller";
+ break;
+ case PCI_BASE_CLASS_NETWORK:
+ return "Network controller";
+ break;
+ case PCI_BASE_CLASS_DISPLAY:
+ return "Display controller";
+ break;
+ case PCI_BASE_CLASS_MULTIMEDIA:
+ return "Multimedia device";
+ break;
+ case PCI_BASE_CLASS_MEMORY:
+ return "Memory controller";
+ break;
+ case PCI_BASE_CLASS_BRIDGE:
+ return "Bridge device";
+ break;
+ case PCI_BASE_CLASS_COMMUNICATION:
+ return "Simple comm. controller";
+ break;
+ case PCI_BASE_CLASS_SYSTEM:
+ return "Base system peripheral";
+ break;
+ case PCI_BASE_CLASS_INPUT:
+ return "Input device";
+ break;
+ case PCI_BASE_CLASS_DOCKING:
+ return "Docking station";
+ break;
+ case PCI_BASE_CLASS_PROCESSOR:
+ return "Processor";
+ break;
+ case PCI_BASE_CLASS_SERIAL:
+ return "Serial bus controller";
+ break;
+ case PCI_BASE_CLASS_INTELLIGENT:
+ return "Intelligent controller";
+ break;
+ case PCI_BASE_CLASS_SATELLITE:
+ return "Satellite controller";
+ break;
+ case PCI_BASE_CLASS_CRYPT:
+ return "Cryptographic device";
+ break;
+ case PCI_BASE_CLASS_SIGNAL_PROCESSING:
+ return "DSP";
+ break;
+ case PCI_CLASS_OTHERS:
+ return "Does not fit any class";
+ break;
+ default:
+ return "???";
+ break;
+ };
+}
+#endif /* CONFIG_CMD_PCI || CONFIG_PCI_SCAN_SHOW */
+
int __pci_skip_dev(struct pci_controller *hose, pci_dev_t dev)
{
/*
@@ -551,6 +616,9 @@ int pci_hose_scan_bus(struct pci_controller *hose, int bus)
unsigned char header_type;
struct pci_config_table *cfg;
pci_dev_t dev;
+#ifdef CONFIG_PCI_SCAN_SHOW
+ static int indent = 0;
+#endif
sub_bus = bus;
@@ -568,44 +636,50 @@ int pci_hose_scan_bus(struct pci_controller *hose, int bus)
pci_hose_read_config_word(hose, dev, PCI_VENDOR_ID, &vendor);
- if (vendor != 0xffff && vendor != 0x0000) {
+ if (vendor == 0xffff || vendor == 0x0000)
+ continue;
+
+ if (!PCI_FUNC(dev))
+ found_multi = header_type & 0x80;
- if (!PCI_FUNC(dev))
- found_multi = header_type & 0x80;
+ debug ("PCI Scan: Found Bus %d, Device %d, Function %d\n",
+ PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev) );
- debug ("PCI Scan: Found Bus %d, Device %d, Function %d\n",
- PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev) );
+ pci_hose_read_config_word(hose, dev, PCI_DEVICE_ID, &device);
+ pci_hose_read_config_word(hose, dev, PCI_CLASS_DEVICE, &class);
- pci_hose_read_config_word(hose, dev, PCI_DEVICE_ID, &device);
- pci_hose_read_config_word(hose, dev, PCI_CLASS_DEVICE, &class);
+#ifdef CONFIG_PCI_SCAN_SHOW
+ indent++;
- cfg = pci_find_config(hose, class, vendor, device,
- PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev));
- if (cfg) {
- cfg->config_device(hose, dev, cfg);
- sub_bus = max(sub_bus, hose->current_busno);
+ /* Print leading space, including bus indentation */
+ printf("%*c", indent + 1, ' ');
+
+ if (pci_print_dev(hose, dev)) {
+ printf("%02x:%02x.%-*x - %04x:%04x - %s\n",
+ PCI_BUS(dev), PCI_DEV(dev), 6 - indent, PCI_FUNC(dev),
+ vendor, device, pci_class_str(class >> 8));
+ }
+#endif
+
+ cfg = pci_find_config(hose, class, vendor, device,
+ PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev));
+ if (cfg) {
+ cfg->config_device(hose, dev, cfg);
+ sub_bus = max(sub_bus, hose->current_busno);
#ifdef CONFIG_PCI_PNP
- } else {
- int n = pciauto_config_device(hose, dev);
+ } else {
+ int n = pciauto_config_device(hose, dev);
- sub_bus = max(sub_bus, n);
+ sub_bus = max(sub_bus, n);
#endif
- }
- if (hose->fixup_irq)
- hose->fixup_irq(hose, dev);
+ }
#ifdef CONFIG_PCI_SCAN_SHOW
- if (pci_print_dev(hose, dev)) {
- unsigned char int_line;
-
- pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_LINE,
- &int_line);
- printf(" %02x %02x %04x %04x %04x %02x\n",
- PCI_BUS(dev), PCI_DEV(dev), vendor, device, class,
- int_line);
- }
+ indent--;
#endif
- }
+
+ if (hose->fixup_irq)
+ hose->fixup_irq(hose, dev);
}
return sub_bus;
generated by cgit v1.2.3 (git 2.0.4) at 2025-07-21 07:21:22 +0000