powerpc/85xx: Add is_serdes_configured() support for MPC8569 SERDES

[oweals/u-boot.git] / arch / powerpc / cpu / mpc85xx / fdt.c

diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c
index 8e7b827ffb9e1ed11c8a9bb343688378234d4f00..53e059655483361c0e850842c17dd671d062381f 100644 (file)
--- a/arch/powerpc/cpu/mpc85xx/fdt.c
+++ b/arch/powerpc/cpu/mpc85xx/fdt.c
@@ -48,24 +48,41 @@ void ft_fixup_cpu(void *blob, u64 memory_limit)
        ulong spin_tbl_addr = get_spin_phys_addr();
        u32 bootpg = determine_mp_bootpg();
        u32 id = get_my_id();
+       const char *enable_method;
 
        off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
        while (off != -FDT_ERR_NOTFOUND) {
                u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
 
                if (reg) {
+                       u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr;
+                       val = cpu_to_fdt32(val);
                        if (*reg == id) {
-                               fdt_setprop_string(blob, off, "status", "okay");
+                               fdt_setprop_string(blob, off, "status",
+                                                               "okay");
                        } else {
-                               u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr;
-                               val = cpu_to_fdt32(val);
                                fdt_setprop_string(blob, off, "status",
                                                                "disabled");
-                               fdt_setprop_string(blob, off, "enable-method",
-                                                               "spin-table");
+                       }
+
+                       if (hold_cores_in_reset(0)) {
+#ifdef CONFIG_FSL_CORENET
+                               /* Cores held in reset, use BRR to release */
+                               enable_method = "fsl,brr-holdoff";
+#else
+                               /* Cores held in reset, use EEBPCR to release */
+                               enable_method = "fsl,eebpcr-holdoff";
+#endif
+                       } else {
+                               /* Cores out of reset and in a spin-loop */
+                               enable_method = "spin-table";
+
                                fdt_setprop(blob, off, "cpu-release-addr",
                                                &val, sizeof(val));
                        }
+
+                       fdt_setprop_string(blob, off, "enable-method",
+                                                       enable_method);
                } else {
                        printf ("cpu NULL\n");
                }