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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 19:54:33 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 19:54:33 -0500 |
commit | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (patch) | |
tree | 08a38cd3523c42bd49882f17cd501fd879e7ca1c /arch/powerpc/include/asm/mmu.h | |
parent | c4c9f0183b7c4e97836e8fecbb67898b06c47e78 (diff) | |
parent | ca9153a3a2a7556d091dfe080e42b0e67881fff6 (diff) |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (144 commits)
powerpc/44x: Support 16K/64K base page sizes on 44x
powerpc: Force memory size to be a multiple of PAGE_SIZE
powerpc/32: Wire up the trampoline code for kdump
powerpc/32: Add the ability for a classic ppc kernel to be loaded at 32M
powerpc/32: Allow __ioremap on RAM addresses for kdump kernel
powerpc/32: Setup OF properties for kdump
powerpc/32/kdump: Implement crash_setup_regs() using ppc_save_regs()
powerpc: Prepare xmon_save_regs for use with kdump
powerpc: Remove default kexec/crash_kernel ops assignments
powerpc: Make default kexec/crash_kernel ops implicit
powerpc: Setup OF properties for ppc32 kexec
powerpc/pseries: Fix cpu hotplug
powerpc: Fix KVM build on ppc440
powerpc/cell: add QPACE as a separate Cell platform
powerpc/cell: fix build breakage with CONFIG_SPUFS disabled
powerpc/mpc5200: fix error paths in PSC UART probe function
powerpc/mpc5200: add rts/cts handling in PSC UART driver
powerpc/mpc5200: Make PSC UART driver update serial errors counters
powerpc/mpc5200: Remove obsolete code from mpc5200 MDIO driver
powerpc/mpc5200: Add MDMA/UDMA support to MPC5200 ATA driver
...
Fix trivial conflict in drivers/char/Makefile as per Paul's directions
Diffstat (limited to 'arch/powerpc/include/asm/mmu.h')
-rw-r--r-- | arch/powerpc/include/asm/mmu.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h index 4c0e1b4f975c..6e7639911318 100644 --- a/arch/powerpc/include/asm/mmu.h +++ b/arch/powerpc/include/asm/mmu.h | |||
@@ -2,6 +2,63 @@ | |||
2 | #define _ASM_POWERPC_MMU_H_ | 2 | #define _ASM_POWERPC_MMU_H_ |
3 | #ifdef __KERNEL__ | 3 | #ifdef __KERNEL__ |
4 | 4 | ||
5 | #include <asm/asm-compat.h> | ||
6 | #include <asm/feature-fixups.h> | ||
7 | |||
8 | /* | ||
9 | * MMU features bit definitions | ||
10 | */ | ||
11 | |||
12 | /* | ||
13 | * First half is MMU families | ||
14 | */ | ||
15 | #define MMU_FTR_HPTE_TABLE ASM_CONST(0x00000001) | ||
16 | #define MMU_FTR_TYPE_8xx ASM_CONST(0x00000002) | ||
17 | #define MMU_FTR_TYPE_40x ASM_CONST(0x00000004) | ||
18 | #define MMU_FTR_TYPE_44x ASM_CONST(0x00000008) | ||
19 | #define MMU_FTR_TYPE_FSL_E ASM_CONST(0x00000010) | ||
20 | |||
21 | /* | ||
22 | * This is individual features | ||
23 | */ | ||
24 | |||
25 | /* Enable use of high BAT registers */ | ||
26 | #define MMU_FTR_USE_HIGH_BATS ASM_CONST(0x00010000) | ||
27 | |||
28 | /* Enable >32-bit physical addresses on 32-bit processor, only used | ||
29 | * by CONFIG_6xx currently as BookE supports that from day 1 | ||
30 | */ | ||
31 | #define MMU_FTR_BIG_PHYS ASM_CONST(0x00020000) | ||
32 | |||
33 | /* Enable use of broadcast TLB invalidations. We don't always set it | ||
34 | * on processors that support it due to other constraints with the | ||
35 | * use of such invalidations | ||
36 | */ | ||
37 | #define MMU_FTR_USE_TLBIVAX_BCAST ASM_CONST(0x00040000) | ||
38 | |||
39 | /* Enable use of tlbilx invalidate-by-PID variant. | ||
40 | */ | ||
41 | #define MMU_FTR_USE_TLBILX_PID ASM_CONST(0x00080000) | ||
42 | |||
43 | /* This indicates that the processor cannot handle multiple outstanding | ||
44 | * broadcast tlbivax or tlbsync. This makes the code use a spinlock | ||
45 | * around such invalidate forms. | ||
46 | */ | ||
47 | #define MMU_FTR_LOCK_BCAST_INVAL ASM_CONST(0x00100000) | ||
48 | |||
49 | #ifndef __ASSEMBLY__ | ||
50 | #include <asm/cputable.h> | ||
51 | |||
52 | static inline int mmu_has_feature(unsigned long feature) | ||
53 | { | ||
54 | return (cur_cpu_spec->mmu_features & feature); | ||
55 | } | ||
56 | |||
57 | extern unsigned int __start___mmu_ftr_fixup, __stop___mmu_ftr_fixup; | ||
58 | |||
59 | #endif /* !__ASSEMBLY__ */ | ||
60 | |||
61 | |||
5 | #ifdef CONFIG_PPC64 | 62 | #ifdef CONFIG_PPC64 |
6 | /* 64-bit classic hash table MMU */ | 63 | /* 64-bit classic hash table MMU */ |
7 | # include <asm/mmu-hash64.h> | 64 | # include <asm/mmu-hash64.h> |