[SPARC64]: Get rid of fast IRQ feature.

The only real user was the assembler floppy interrupt
handler, which does not need to be in assembly.

This makes it so that there are less pieces of code which
know about the internal layout of ivector_table[] and
friends.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 110 deletions

diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index ffe717ab7f83..eee516a71c14 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -701,116 +701,6 @@ utrap_ill:
         ba,pt           %xcc, rtrap
          clr            %l6
 
-#ifdef CONFIG_BLK_DEV_FD
-        .globl          floppy_hardint
-floppy_hardint:
-        wr              %g0, (1 << 11), %clear_softint
-        sethi           %hi(doing_pdma), %g1
-        ld              [%g1 + %lo(doing_pdma)], %g2
-        brz,pn          %g2, floppy_dosoftint
-         sethi          %hi(fdc_status), %g3
-        ldx             [%g3 + %lo(fdc_status)], %g3
-        sethi           %hi(pdma_vaddr), %g5
-        ldx             [%g5 + %lo(pdma_vaddr)], %g4
-        sethi           %hi(pdma_size), %g5
-        ldx             [%g5 + %lo(pdma_size)], %g5
-
-next_byte:
-        lduba           [%g3] ASI_PHYS_BYPASS_EC_E, %g7
-        andcc           %g7, 0x80, %g0
-        be,pn           %icc, floppy_fifo_emptied
-         andcc          %g7, 0x20, %g0
-        be,pn           %icc, floppy_overrun
-         andcc          %g7, 0x40, %g0
-        be,pn           %icc, floppy_write
-         sub            %g5, 1, %g5
-
-        inc             %g3
-        lduba           [%g3] ASI_PHYS_BYPASS_EC_E, %g7
-        dec             %g3
-        orcc            %g0, %g5, %g0
-        stb             %g7, [%g4]
-        bne,pn          %xcc, next_byte
-         add            %g4, 1, %g4
-
-        b,pt            %xcc, floppy_tdone
-         nop
-
-floppy_write:
-        ldub            [%g4], %g7
-        orcc            %g0, %g5, %g0
-        inc             %g3
-        stba            %g7, [%g3] ASI_PHYS_BYPASS_EC_E
-        dec             %g3
-        bne,pn          %xcc, next_byte
-         add            %g4, 1, %g4
-
-floppy_tdone:
-        sethi           %hi(pdma_vaddr), %g1
-        stx             %g4, [%g1 + %lo(pdma_vaddr)]
-        sethi           %hi(pdma_size), %g1
-        stx             %g5, [%g1 + %lo(pdma_size)]
-        sethi           %hi(auxio_register), %g1
-        ldx             [%g1 + %lo(auxio_register)], %g7
-        lduba           [%g7] ASI_PHYS_BYPASS_EC_E, %g5
-        or              %g5, AUXIO_AUX1_FTCNT, %g5
-/*      andn            %g5, AUXIO_AUX1_MASK, %g5 */
-        stba            %g5, [%g7] ASI_PHYS_BYPASS_EC_E
-        andn            %g5, AUXIO_AUX1_FTCNT, %g5
-/*      andn            %g5, AUXIO_AUX1_MASK, %g5 */
-
-        nop; nop;  nop; nop;  nop; nop;
-        nop; nop;  nop; nop;  nop; nop;
-
-        stba            %g5, [%g7] ASI_PHYS_BYPASS_EC_E
-        sethi           %hi(doing_pdma), %g1
-        b,pt            %xcc, floppy_dosoftint
-         st             %g0, [%g1 + %lo(doing_pdma)]
-
-floppy_fifo_emptied:
-        sethi           %hi(pdma_vaddr), %g1
-        stx             %g4, [%g1 + %lo(pdma_vaddr)]
-        sethi           %hi(pdma_size), %g1
-        stx             %g5, [%g1 + %lo(pdma_size)]
-        sethi           %hi(irq_action), %g1
-        or              %g1, %lo(irq_action), %g1
-        ldx             [%g1 + (11 << 3)], %g3          ! irqaction[floppy_irq]
-        ldx             [%g3 + 0x08], %g4               ! action->flags>>48==ino
-        sethi           %hi(ivector_table), %g3
-        srlx            %g4, 48, %g4
-        or              %g3, %lo(ivector_table), %g3
-        sllx            %g4, 5, %g4
-        ldx             [%g3 + %g4], %g4                ! &ivector_table[ino]
-        ldx             [%g4 + 0x10], %g4               ! bucket->iclr
-        stwa            %g0, [%g4] ASI_PHYS_BYPASS_EC_E ! ICLR_IDLE
-        membar          #Sync                           ! probably not needed...
-        retry
-
-floppy_overrun:
-        sethi           %hi(pdma_vaddr), %g1
-        stx             %g4, [%g1 + %lo(pdma_vaddr)]
-        sethi           %hi(pdma_size), %g1
-        stx             %g5, [%g1 + %lo(pdma_size)]
-        sethi           %hi(doing_pdma), %g1
-        st              %g0, [%g1 + %lo(doing_pdma)]
-
-floppy_dosoftint:
-        rdpr            %pil, %g2
-        wrpr            %g0, 15, %pil
-        sethi           %hi(109f), %g7
-        b,pt            %xcc, etrap_irq
-109:     or             %g7, %lo(109b), %g7
-
-        mov             11, %o0
-        mov             0, %o1
-        call            sparc_floppy_irq
-         add            %sp, PTREGS_OFF, %o2
-
-        b,pt            %xcc, rtrap_irq
-         nop
-
-#endif /* CONFIG_BLK_DEV_FD */
-
         /* XXX Here is stuff we still need to write... -DaveM XXX */
         .globl          netbsd_syscall
 netbsd_syscall: