Cc: Thomas Huth <thuth@xxxxxxxxxx>
Cc: Andrew Jones <drjones@xxxxxxxxxx>
Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
---
lib/pci.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
lib/pci.h | 3 +++
2 files changed, 82 insertions(+)
diff --git a/lib/pci.c b/lib/pci.c
index 5c107e7b4f4e..e715a3e51cc4 100644
--- a/lib/pci.c
+++ b/lib/pci.c
@@ -118,3 +118,82 @@ bool pci_bar_is64(pcidevaddr_t dev, int bar_num)
return (bar & PCI_BASE_ADDRESS_MEM_TYPE_MASK) ==
PCI_BASE_ADDRESS_MEM_TYPE_64;
}
+
+static void pci_dev_print(pcidevaddr_t dev)
+{
+ uint16_t vendor_id = pci_config_readw(dev, PCI_VENDOR_ID);
+ uint16_t device_id = pci_config_readw(dev, PCI_DEVICE_ID);
+ uint8_t header = pci_config_readb(dev, PCI_HEADER_TYPE);
+ uint8_t progif = pci_config_readb(dev, PCI_CLASS_PROG);
+ uint8_t subclass = pci_config_readb(dev, PCI_CLASS_DEVICE);
+ uint8_t class = pci_config_readb(dev, PCI_CLASS_DEVICE + 1);
+ int i;
+
+ printf("dev %2d fn %d vendor_id %04x device_id %04x type %02x "
+ "progif %02x class %02x subclass %02x\n",
+ dev / 8, dev % 8, vendor_id, device_id, header,
+ progif, class, subclass);
+
+ if ((header & PCI_HEADER_TYPE_MASK) != PCI_HEADER_TYPE_NORMAL)
+ return;
+
+ for (i = 0; i < 6; i++) {
+ phys_addr_t start, end;
+ uint32_t bar;
+
+ if (!pci_bar_is_valid(dev, i))
+ break;
+
+ start = pci_bar_get_addr(dev, i);
+ end = start + pci_bar_size(dev, i) - 1;
+
+ if (pci_bar_is64(dev, i)) {
+ printf("\tBAR#%d,%d [%" PRIx64 "-%" PRIx64 " ",
+ i, i + 1, start, end);
+ i++;
+ } else {
+ printf("\tBAR#%d [%02x-%02x ",
+ i, (uint32_t)start, (uint32_t)end);
+ }
+
+ bar = pci_bar_get(dev, i);
+
+ if (bar & PCI_BASE_ADDRESS_SPACE_IO) {
+ printf("PIO]\n");
+ continue;
+ }
+
+ printf("MEM");
+
+ switch (bar & PCI_BASE_ADDRESS_MEM_TYPE_MASK) {
+ case PCI_BASE_ADDRESS_MEM_TYPE_32:
+ printf("32");
+ break;
+ case PCI_BASE_ADDRESS_MEM_TYPE_1M:
+ printf("1M");
+ break;
+ case PCI_BASE_ADDRESS_MEM_TYPE_64:
+ printf("64");
+ break;
+ default:
+ assert(0);
+ }
+
+ if (bar & PCI_BASE_ADDRESS_MEM_PREFETCH)
+ printf("/p");
+
+ printf("]\n");
+ }
+}
+
+void pci_print(void)
+{
+ pcidevaddr_t dev;
+
+ for (dev = 0; dev < 256; ++dev) {
+ if (pci_config_readw(dev, PCI_VENDOR_ID) != (uint16_t)~0 &&
+ pci_config_readw(dev, PCI_DEVICE_ID) != (uint16_t)~0) {
+ pci_dev_print(dev);
+ }
+ }
+}
diff --git a/lib/pci.h b/lib/pci.h
index db8296b2dfa7..e9911db92320 100644
--- a/lib/pci.h
+++ b/lib/pci.h
@@ -14,6 +14,7 @@ typedef uint16_t pcidevaddr_t;
enum {
PCIDEVADDR_INVALID = 0xffff,
};
+void pci_print(void);
bool pci_dev_exists(pcidevaddr_t dev);
pcidevaddr_t pci_find_dev(uint16_t vendor_id, uint16_t device_id);
@@ -55,4 +56,6 @@ struct pci_test_dev_hdr {
uint8_t name[];
};
+#define PCI_HEADER_TYPE_MASK 0x7f
+
#endif /* PCI_H */
--
1.8.3.1
--
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