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sparc32: Add back early sun4/sun4c detection so we can warn properly.
We need to do the check before we try to remap the kernel using SRMMU operations. Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -532,6 +532,29 @@ copy_prom_done:
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be go_to_highmem ! this will be a nop then
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nop
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/* Validate that we are in fact running on an
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* SRMMU based cpu.
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*/
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set 0x4000, %g6
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cmp %g7, %g6
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bne not_a_sun4
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nop
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halt_sun4_or_sun4c:
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ld [%g7 + 0x68], %o1
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set sun4c_notsup, %o0
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sub %o0, %l6, %o0
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call %o1
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nop
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ba halt_me
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nop
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not_a_sun4:
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lda [%g0] ASI_M_MMUREGS, %g1
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andcc %g1, 1, %g0
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be halt_sun4_or_sun4c
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nop
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srmmu_remap:
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/* First, check for a viking (TI) module. */
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set 0x40000000, %g2
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