Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / freescale / common / cds_pci_ft.c

diff --git a/qemu/roms/u-boot/board/freescale/common/cds_pci_ft.c b/qemu/roms/u-boot/board/freescale/common/cds_pci_ft.c
new file mode 100644 (file)
index 0000000..2e5dcdf
--- /dev/null
+++ b/qemu/roms/u-boot/board/freescale/common/cds_pci_ft.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2004 Freescale Semiconductor.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include "cadmus.h"
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+static void cds_pci_fixup(void *blob)
+{
+       int node;
+       const char *path;
+       int len, slot, i;
+       u32 *map = NULL, *piccells = NULL;
+       int off, cells;
+
+       node = fdt_path_offset(blob, "/aliases");
+       if (node >= 0) {
+               path = fdt_getprop(blob, node, "pci0", NULL);
+               if (path) {
+                       node = fdt_path_offset(blob, path);
+                       if (node >= 0) {
+                               map = fdt_getprop_w(blob, node, "interrupt-map", &len);
+                       }
+                       /* Each item in "interrupt-map" property is translated with
+                        * following cells:
+                        * PCI #address-cells, PCI #interrupt-cells,
+                        * PIC address, PIC #address-cells, PIC #interrupt-cells.
+                        */
+                       cells = fdt_getprop_u32_default(blob, path, "#address-cells", 1);
+                       cells += fdt_getprop_u32_default(blob, path, "#interrupt-cells", 1);
+                       off = fdt_node_offset_by_phandle(blob, fdt32_to_cpu(*(map+cells)));
+                       if (off <= 0)
+                               return;
+                       cells += 1;
+                       piccells = (u32 *)fdt_getprop(blob, off, "#address-cells", NULL);
+                       if (piccells == NULL)
+                               return;
+                       cells += *piccells;
+                       piccells = (u32 *)fdt_getprop(blob, off, "#interrupt-cells", NULL);
+                       if (piccells == NULL)
+                               return;
+                       cells += *piccells;
+               }
+       }
+
+       if (map) {
+               len /= sizeof(u32);
+
+               slot = get_pci_slot();
+
+               for (i=0;i<len;i+=cells) {
+                       /* We rotate the interrupt pins so that the mapping
+                        * changes depending on the slot the carrier card is in.
+                        */
+                       map[3] = ((map[3] + slot - 2) % 4) + 1;
+                       map+=cells;
+               }
+       }
+}
+
+void
+ft_board_setup(void *blob, bd_t *bd)
+{
+       ft_cpu_setup(blob, bd);
+#ifdef CONFIG_PCI
+       ft_pci_setup(blob, bd);
+       cds_pci_fixup(blob);
+#endif
+}
+#endif