Pull bugzilla-5452 into release branch

[pandora-kernel.git] / arch / powerpc / kernel / prom_init.c

diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 2d80653..f70bd09 100644 (file)
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -822,6 +822,7 @@ static void __init prom_send_capabilities(void)
                /* try calling the ibm,client-architecture-support method */
                if (call_prom_ret("call-method", 3, 2, &ret,
                                  ADDR("ibm,client-architecture-support"),
+                                 root,
                                  ADDR(ibm_architecture_vec)) == 0) {
                        /* the call exists... */
                        if (ret)
@@ -1622,6 +1623,15 @@ static int __init prom_find_machine_type(void)
                        if (strstr(p, RELOC("Power Macintosh")) ||
                            strstr(p, RELOC("MacRISC")))
                                return PLATFORM_POWERMAC;
+#ifdef CONFIG_PPC64
+                       /* We must make sure we don't detect the IBM Cell
+                        * blades as pSeries due to some firmware issues,
+                        * so we do it here.
+                        */
+                       if (strstr(p, RELOC("IBM,CBEA")) ||
+                           strstr(p, RELOC("IBM,CPBW-1.0")))
+                               return PLATFORM_GENERIC;
+#endif /* CONFIG_PPC64 */
                        i += sl + 1;
                }
        }
@@ -2057,10 +2067,45 @@ static void __init flatten_device_tree(void)
 
 }
 
-
-static void __init fixup_device_tree(void)
+#ifdef CONFIG_PPC_MAPLE
+/* PIBS Version 1.05.0000 04/26/2005 has an incorrect /ht/isa/ranges property.
+ * The values are bad, and it doesn't even have the right number of cells. */
+static void __init fixup_device_tree_maple(void)
 {
+       phandle isa;
+       u32 isa_ranges[6];
+
+       isa = call_prom("finddevice", 1, 1, ADDR("/ht@0/isa@4"));
+       if (!PHANDLE_VALID(isa))
+               return;
+
+       if (prom_getprop(isa, "ranges", isa_ranges, sizeof(isa_ranges))
+               == PROM_ERROR)
+               return;
+
+       if (isa_ranges[0] != 0x1 ||
+               isa_ranges[1] != 0xf4000000 ||
+               isa_ranges[2] != 0x00010000)
+               return;
+
+       prom_printf("fixing up bogus ISA range on Maple...\n");
+
+       isa_ranges[0] = 0x1;
+       isa_ranges[1] = 0x0;
+       isa_ranges[2] = 0x01002000; /* IO space; PCI device = 4 */
+       isa_ranges[3] = 0x0;
+       isa_ranges[4] = 0x0;
+       isa_ranges[5] = 0x00010000;
+       prom_setprop(isa, "/ht@0/isa@4", "ranges",
+                       isa_ranges, sizeof(isa_ranges));
+}
+#else
+#define fixup_device_tree_maple()
+#endif
+
 #if defined(CONFIG_PPC64) && defined(CONFIG_PPC_PMAC)
+static void __init fixup_device_tree_pmac(void)
+{
        phandle u3, i2c, mpic;
        u32 u3_rev;
        u32 interrupts[2];
@@ -2097,9 +2142,16 @@ static void __init fixup_device_tree(void)
        parent = (u32)mpic;
        prom_setprop(i2c, "/u3@0,f8000000/i2c@f8001000", "interrupt-parent",
                     &parent, sizeof(parent));
-#endif
 }
+#else
+#define fixup_device_tree_pmac()
+#endif
 
+static void __init fixup_device_tree(void)
+{
+       fixup_device_tree_maple();
+       fixup_device_tree_pmac();
+}
 
 static void __init prom_find_boot_cpu(void)
 {