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| author | David S. Miller <davem@sunset.davemloft.net> | 2006-02-11 10:56:43 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 01:12:21 -0800 |
| commit | 6cebb52094baddd4c167bb5100a7cf6f7bee6910 (patch) | |
| tree | 5fef397fbb773f7d8aa40aecc303d18ddf88803e /arch/sparc64/kernel/head.S | |
| parent | 0d4bc95b9c205a7374afbe93b38d9c2757a45862 (diff) | |
| download | lwn-6cebb52094baddd4c167bb5100a7cf6f7bee6910.tar.gz lwn-6cebb52094baddd4c167bb5100a7cf6f7bee6910.zip | |
[SPARC64]: Fix sun4v early bootup.
prom_sun4v_name should be "sun4v" not "SUNW,sun4v"
Also, this is too early to make use of the
.sun4v_Xinsn_patch code patching, so just check
things manually.
This gets us at least to prom_init() on Niagara.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/head.S')
| -rw-r--r-- | arch/sparc64/kernel/head.S | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S index f581f0e917f7..3222c8205b57 100644 --- a/arch/sparc64/kernel/head.S +++ b/arch/sparc64/kernel/head.S @@ -123,7 +123,7 @@ prom_map_name: prom_unmap_name: .asciz "unmap" prom_sun4v_name: - .asciz "SUNW,sun4v" + .asciz "sun4v" .align 4 prom_root_compatible: .skip 64 @@ -300,7 +300,7 @@ sparc64_boot_after_remap: or %g1, %lo(prom_root_compatible), %g1 sethi %hi(prom_sun4v_name), %g7 or %g7, %lo(prom_sun4v_name), %g7 - mov 10, %g3 + mov 5, %g3 1: ldub [%g7], %g2 ldub [%g1], %g4 cmp %g2, %g4 @@ -380,28 +380,33 @@ jump_to_sun4u_init: nop sun4u_init: + BRANCH_IF_SUN4V(g1, sun4v_init) + /* Set ctx 0 */ mov PRIMARY_CONTEXT, %g7 - -661: stxa %g0, [%g7] ASI_DMMU - .section .sun4v_1insn_patch, "ax" - .word 661b - stxa %g0, [%g7] ASI_MMU - .previous - + stxa %g0, [%g7] ASI_DMMU membar #Sync mov SECONDARY_CONTEXT, %g7 + stxa %g0, [%g7] ASI_DMMU + membar #Sync -661: stxa %g0, [%g7] ASI_DMMU - .section .sun4v_1insn_patch, "ax" - .word 661b + ba,pt %xcc, sun4u_continue + nop + +sun4v_init: + /* Set ctx 0 */ + mov PRIMARY_CONTEXT, %g7 stxa %g0, [%g7] ASI_MMU - .previous + membar #Sync - membar #Sync + mov SECONDARY_CONTEXT, %g7 + stxa %g0, [%g7] ASI_MMU + membar #Sync + ba,pt %xcc, niagara_tlb_fixup + nop - BRANCH_IF_SUN4V(g1, niagara_tlb_fixup) +sun4u_continue: BRANCH_IF_ANY_CHEETAH(g1, g7, cheetah_tlb_fixup) ba,pt %xcc, spitfire_tlb_fixup |