mpc83xx: mpc8313 - handle erratum IPIC1 (TSEC IRQ number swappage)
mpc8313e erratum IPIC1 swapped TSEC interrupt ID numbers on rev. 1
h/w (see AN3545). The base device tree in use has rev. 1 ID numbers,
so if on Rev. 2 (and higher) h/w, we fix them up here.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Reviewed-by: Roland Lezuo <roland.lezuo@chello.at>
diff --git a/cpu/mpc83xx/fdt.c b/cpu/mpc83xx/fdt.c
index 13443cb..daf73a6 100644
--- a/cpu/mpc83xx/fdt.c
+++ b/cpu/mpc83xx/fdt.c
@@ -69,6 +69,45 @@
defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3) ||\
defined(CONFIG_HAS_ETH4) || defined(CONFIG_HAS_ETH5)
fdt_fixup_ethernet(blob);
+#ifdef CONFIG_MPC8313
+ /*
+ * mpc8313e erratum IPIC1 swapped TSEC interrupt ID numbers on rev. 1
+ * h/w (see AN3545). The base device tree in use has rev. 1 ID numbers,
+ * so if on Rev. 2 (and higher) h/w, we fix them up here
+ */
+ if (REVID_MAJOR(immr->sysconf.spridr) >= 2) {
+ int nodeoffset, path;
+ const char *prop;
+
+ nodeoffset = fdt_path_offset(blob, "/aliases");
+ if (nodeoffset >= 0) {
+#if defined(CONFIG_HAS_ETH0)
+ prop = fdt_getprop(blob, nodeoffset, "ethernet0", NULL);
+ if (prop) {
+ u32 tmp[] = { 32, 0x8, 33, 0x8, 34, 0x8 };
+
+ path = fdt_path_offset(blob, prop);
+ prop = fdt_getprop(blob, path, "interrupts", 0);
+ if (prop)
+ fdt_setprop(blob, path, "interrupts",
+ &tmp, sizeof(tmp));
+ }
+#endif
+#if defined(CONFIG_HAS_ETH1)
+ prop = fdt_getprop(blob, nodeoffset, "ethernet1", NULL);
+ if (prop) {
+ u32 tmp[] = { 35, 0x8, 36, 0x8, 37, 0x8 };
+
+ path = fdt_path_offset(blob, prop);
+ prop = fdt_getprop(blob, path, "interrupts", 0);
+ if (prop)
+ fdt_setprop(blob, path, "interrupts",
+ &tmp, sizeof(tmp));
+ }
+#endif
+ }
+ }
+#endif
#endif
do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,