diff options
Diffstat (limited to 'arch/powerpc/kernel/prom_init.c')
| -rw-r--r-- | arch/powerpc/kernel/prom_init.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index b91761639d9..46cf32670dd 100644 --- 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 */ @@ -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"); @@ -2283,11 +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); |