diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-31 13:37:27 +1100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-31 13:37:27 +1100 |
commit | 8af03e782cae1e0a0f530ddd22301cdd12cf9dc0 (patch) | |
tree | c4af13a38bd3cc1a811a37f2358491f171052070 /arch/powerpc/kernel/head_fsl_booke.S | |
parent | 6232665040f9a23fafd9d94d4ae8d5a2dc850f65 (diff) | |
parent | 99e139126ab2e84be67969650f92eb37c12ab5cd (diff) |
Merge branch 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (454 commits)
[POWERPC] Cell IOMMU fixed mapping support
[POWERPC] Split out the ioid fetching/checking logic
[POWERPC] Add support to cell_iommu_setup_page_tables() for multiple windows
[POWERPC] Split out the IOMMU logic from cell_dma_dev_setup()
[POWERPC] Split cell_iommu_setup_hardware() into two parts
[POWERPC] Split out the logic that allocates struct iommus
[POWERPC] Allocate the hash table under 1G on cell
[POWERPC] Add set_dma_ops() to match get_dma_ops()
[POWERPC] 83xx: Clean up / convert mpc83xx board DTS files to v1 format.
[POWERPC] 85xx: Only invalidate TLB0 and TLB1
[POWERPC] 83xx: Fix typo in mpc837x compatible entries
[POWERPC] 85xx: convert sbc85* boards to use machine_device_initcall
[POWERPC] 83xx: rework platform Kconfig
[POWERPC] 85xx: rework platform Kconfig
[POWERPC] 86xx: Remove unused IRQ defines
[POWERPC] QE: Explicitly set address-cells and size cells for muram
[POWERPC] Convert StorCenter DTS file to /dts-v1/ format.
[POWERPC] 86xx: Convert all 86xx DTS files to /dts-v1/ format.
[PPC] Remove 85xx from arch/ppc
[PPC] Remove 83xx from arch/ppc
...
Diffstat (limited to 'arch/powerpc/kernel/head_fsl_booke.S')
-rw-r--r-- | arch/powerpc/kernel/head_fsl_booke.S | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 7aecb39a5a4..d9cc2c288d9 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -73,8 +73,8 @@ _ENTRY(_start); /* We try to not make any assumptions about how the boot loader * setup or used the TLBs. We invalidate all mappings from the * boot loader and load a single entry in TLB1[0] to map the - * first 16M of kernel memory. Any boot info passed from the - * bootloader needs to live in this first 16M. + * first 64M of kernel memory. Any boot info passed from the + * bootloader needs to live in this first 64M. * * Requirement on bootloader: * - The page we're executing in needs to reside in TLB1 and @@ -167,7 +167,7 @@ skpinv: addi r6,r6,1 /* Increment */ mtspr SPRN_MAS0,r7 tlbre - /* Just modify the entry ID and EPN for the temp mapping */ + /* Just modify the entry ID, EPN and RPN for the temp mapping */ lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */ rlwimi r7,r5,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r5) */ mtspr SPRN_MAS0,r7 @@ -177,9 +177,12 @@ skpinv: addi r6,r6,1 /* Increment */ ori r6,r6,(MAS1_TSIZE(BOOKE_PAGESZ_4K))@l mtspr SPRN_MAS1,r6 mfspr r6,SPRN_MAS2 - li r7,0 /* temp EPN = 0 */ + lis r7,PHYSICAL_START@h rlwimi r7,r6,0,20,31 mtspr SPRN_MAS2,r7 + mfspr r6,SPRN_MAS3 + rlwimi r7,r6,0,20,31 + mtspr SPRN_MAS3,r7 tlbwe xori r6,r4,1 @@ -222,11 +225,11 @@ skpinv: addi r6,r6,1 /* Increment */ lis r6,0x1000 /* Set MAS0(TLBSEL) = TLB1(1), ESEL = 0 */ mtspr SPRN_MAS0,r6 lis r6,(MAS1_VALID|MAS1_IPROT)@h - ori r6,r6,(MAS1_TSIZE(BOOKE_PAGESZ_16M))@l + ori r6,r6,(MAS1_TSIZE(BOOKE_PAGESZ_64M))@l mtspr SPRN_MAS1,r6 li r7,0 - lis r6,KERNELBASE@h - ori r6,r6,KERNELBASE@l + lis r6,PAGE_OFFSET@h + ori r6,r6,PAGE_OFFSET@l rlwimi r6,r7,0,20,31 mtspr SPRN_MAS2,r6 li r7,(MAS3_SX|MAS3_SW|MAS3_SR) @@ -234,6 +237,9 @@ skpinv: addi r6,r6,1 /* Increment */ tlbwe /* 7. Jump to KERNELBASE mapping */ + lis r6,KERNELBASE@h + ori r6,r6,KERNELBASE@l + rlwimi r6,r7,0,20,31 lis r7,MSR_KERNEL@h ori r7,r7,MSR_KERNEL@l bl 1f /* Find our address */ |