+#define CONFIG_SYS_MAX_PCI_EPS 8
+
+static void fdt_fixup_pci_liodn_offsets(void *fdt, const char *compat,
+ int ep_liodn_start)
+{
+ int off, pci_idx = 0, pci_cnt = 0, i, rc;
+ const uint32_t *base_liodn;
+ uint32_t liodn_offs[CONFIG_SYS_MAX_PCI_EPS + 1] = { 0 };
+
+ /*
+ * Count the number of pci nodes.
+ * It's needed later when the interleaved liodn offsets are generated.
+ */
+ off = fdt_node_offset_by_compatible(fdt, -1, compat);
+ while (off != -FDT_ERR_NOTFOUND) {
+ pci_cnt++;
+ off = fdt_node_offset_by_compatible(fdt, off, compat);
+ }
+
+ for (off = fdt_node_offset_by_compatible(fdt, -1, compat);
+ off != -FDT_ERR_NOTFOUND;
+ off = fdt_node_offset_by_compatible(fdt, off, compat)) {
+ base_liodn = fdt_getprop(fdt, off, "fsl,liodn", &rc);
+ if (!base_liodn) {
+ char path[64];
+
+ if (fdt_get_path(fdt, off, path, sizeof(path)) < 0)
+ strcpy(path, "(unknown)");
+ printf("WARNING Could not get liodn of node %s: %s\n",
+ path, fdt_strerror(rc));
+ continue;
+ }
+ for (i = 0; i < CONFIG_SYS_MAX_PCI_EPS; i++)
+ liodn_offs[i + 1] = ep_liodn_start +
+ i * pci_cnt + pci_idx - *base_liodn;
+ rc = fdt_setprop(fdt, off, "fsl,liodn-offset-list",
+ liodn_offs, sizeof(liodn_offs));
+ if (rc) {
+ char path[64];
+
+ if (fdt_get_path(fdt, off, path, sizeof(path)) < 0)
+ strcpy(path, "(unknown)");
+ printf("WARNING Unable to set fsl,liodn-offset-list for "
+ "node %s: %s\n", path, fdt_strerror(rc));
+ continue;
+ }
+ pci_idx++;
+ }
+}
+