+#ifdef CONFIG_DM_PCI
+int pci_bar_show(struct udevice *dev)
+{
+ u8 header_type;
+ int bar_cnt, bar_id, mem_type;
+ bool is_64, is_io;
+ u32 base_low, base_high;
+ u32 size_low, size_high;
+ u64 base, size;
+ u32 reg_addr;
+ int prefetchable;
+
+ dm_pci_read_config8(dev, PCI_HEADER_TYPE, &header_type);
+
+ if (header_type == PCI_HEADER_TYPE_CARDBUS) {
+ printf("CardBus doesn't support BARs\n");
+ return -ENOSYS;
+ }
+
+ bar_cnt = (header_type == PCI_HEADER_TYPE_NORMAL) ? 6 : 2;
+
+ printf("ID Base Size Width Type\n");
+ printf("----------------------------------------------------------\n");
+
+ bar_id = 0;
+ reg_addr = PCI_BASE_ADDRESS_0;
+ while (bar_cnt) {
+ dm_pci_read_config32(dev, reg_addr, &base_low);
+ dm_pci_write_config32(dev, reg_addr, 0xffffffff);
+ dm_pci_read_config32(dev, reg_addr, &size_low);
+ dm_pci_write_config32(dev, reg_addr, base_low);
+ reg_addr += 4;
+
+ base = base_low & ~0xf;
+ size = size_low & ~0xf;
+ base_high = 0x0;
+ size_high = 0xffffffff;
+ is_64 = 0;
+ prefetchable = base_low & PCI_BASE_ADDRESS_MEM_PREFETCH;
+ is_io = base_low & PCI_BASE_ADDRESS_SPACE_IO;
+ mem_type = base_low & PCI_BASE_ADDRESS_MEM_TYPE_MASK;
+
+ if (mem_type == PCI_BASE_ADDRESS_MEM_TYPE_64) {
+ dm_pci_read_config32(dev, reg_addr, &base_high);
+ dm_pci_write_config32(dev, reg_addr, 0xffffffff);
+ dm_pci_read_config32(dev, reg_addr, &size_high);
+ dm_pci_write_config32(dev, reg_addr, base_high);
+ bar_cnt--;
+ reg_addr += 4;
+ is_64 = 1;
+ }
+
+ base = base | ((u64)base_high << 32);
+ size = size | ((u64)size_high << 32);
+
+ if ((!is_64 && size_low) || (is_64 && size)) {
+ size = ~size + 1;
+ printf(" %d %#016llx %#016llx %d %s %s\n",
+ bar_id, (unsigned long long)base,
+ (unsigned long long)size, is_64 ? 64 : 32,
+ is_io ? "I/O" : "MEM",
+ prefetchable ? "Prefetchable" : "");
+ }
+
+ bar_id++;
+ bar_cnt--;
+ }
+
+ return 0;
+}
+#endif
+