fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / powerpc / kernel / prom_init.c

diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 59465e5..22f6b0f 100644 (file)
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -173,8 +173,8 @@ static unsigned long __initdata dt_string_start, dt_string_end;
 static unsigned long __initdata prom_initrd_start, prom_initrd_end;
 
 #ifdef CONFIG_PPC64
-static int __initdata iommu_force_on;
-static int __initdata ppc64_iommu_off;
+static int __initdata prom_iommu_force_on;
+static int __initdata prom_iommu_off;
 static unsigned long __initdata prom_tce_alloc_start;
 static unsigned long __initdata prom_tce_alloc_end;
 #endif
@@ -582,9 +582,9 @@ static void __init early_cmdline_parse(void)
                while (*opt && *opt == ' ')
                        opt++;
                if (!strncmp(opt, RELOC("off"), 3))
-                       RELOC(ppc64_iommu_off) = 1;
+                       RELOC(prom_iommu_off) = 1;
                else if (!strncmp(opt, RELOC("force"), 5))
-                       RELOC(iommu_force_on) = 1;
+                       RELOC(prom_iommu_force_on) = 1;
        }
 #endif
 }
@@ -627,6 +627,7 @@ static void __init early_cmdline_parse(void)
 /* Option vector 3: processor options supported */
 #define OV3_FP                 0x80    /* floating point */
 #define OV3_VMX                        0x40    /* VMX/Altivec */
+#define OV3_DFP                        0x20    /* decimal FP */
 
 /* Option vector 5: PAPR/OF options supported */
 #define OV5_LPAR               0x80    /* logical partitioning supported */
@@ -642,6 +643,7 @@ static void __init early_cmdline_parse(void)
 static unsigned char ibm_architecture_vec[] = {
        W(0xfffe0000), W(0x003a0000),   /* POWER5/POWER5+ */
        W(0xffff0000), W(0x003e0000),   /* POWER6 */
+       W(0xffffffff), W(0x0f000002),   /* all 2.05-compliant */
        W(0xfffffffe), W(0x0f000001),   /* all 2.04-compliant and earlier */
        5 - 1,                          /* 5 option vectors */
 
@@ -668,7 +670,7 @@ static unsigned char ibm_architecture_vec[] = {
        /* option vector 3: processor options supported */
        3 - 2,                          /* length */
        0,                              /* don't ignore, don't halt */
-       OV3_FP | OV3_VMX,
+       OV3_FP | OV3_VMX | OV3_DFP,
 
        /* option vector 4: IBM PAPR implementation */
        2 - 2,                          /* length */
@@ -677,7 +679,7 @@ static unsigned char ibm_architecture_vec[] = {
        /* option vector 5: PAPR/OF options */
        3 - 2,                          /* length */
        0,                              /* don't ignore, don't halt */
-       OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES,
+       OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY,
 };
 
 /* Old method - ELF header with PT_NOTE sections */
@@ -1167,7 +1169,7 @@ static void __init prom_initialize_tce_table(void)
        u64 local_alloc_top, local_alloc_bottom;
        u64 i;
 
-       if (RELOC(ppc64_iommu_off))
+       if (RELOC(prom_iommu_off))
                return;
 
        prom_debug("starting prom_initialize_tce_table\n");
@@ -2033,16 +2035,22 @@ static void __init fixup_device_tree_maple(void)
 #endif
 
 #ifdef CONFIG_PPC_CHRP
-/* Pegasos lacks the "ranges" property in the isa node */
+/* Pegasos and BriQ lacks the "ranges" property in the isa node */
 static void __init fixup_device_tree_chrp(void)
 {
        phandle isa;
        u32 isa_ranges[6];
+       u32 rloc = 0x01006000; /* IO space; PCI device = 12 */
        char *name;
        int rc;
 
        name = "/pci@80000000/isa@c";
        isa = call_prom("finddevice", 1, 1, ADDR(name));
+       if (!PHANDLE_VALID(isa)) {
+               name = "/pci@ff500000/isa@6";
+               isa = call_prom("finddevice", 1, 1, ADDR(name));
+               rloc = 0x01003000; /* IO space; PCI device = 6 */
+       }
        if (!PHANDLE_VALID(isa))
                return;
 
@@ -2054,7 +2062,7 @@ static void __init fixup_device_tree_chrp(void)
 
        isa_ranges[0] = 0x1;
        isa_ranges[1] = 0x0;
-       isa_ranges[2] = 0x01006000;
+       isa_ranges[2] = rloc;
        isa_ranges[3] = 0x0;
        isa_ranges[4] = 0x0;
        isa_ranges[5] = 0x00010000;
@@ -2277,11 +2285,11 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
         * Fill in some infos for use by the kernel later on
         */
 #ifdef CONFIG_PPC64
-       if (RELOC(ppc64_iommu_off))
+       if (RELOC(prom_iommu_off))
                prom_setprop(_prom->chosen, "/chosen", "linux,iommu-off",
                             NULL, 0);
 
-       if (RELOC(iommu_force_on))
+       if (RELOC(prom_iommu_force_on))
                prom_setprop(_prom->chosen, "/chosen", "linux,iommu-force-on",
                             NULL, 0);