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Diffstat (limited to 'arch/mips/tx4927/common/tx4927_irq_handler.S')
-rw-r--r--arch/mips/tx4927/common/tx4927_irq_handler.S103
1 files changed, 0 insertions, 103 deletions
diff --git a/arch/mips/tx4927/common/tx4927_irq_handler.S b/arch/mips/tx4927/common/tx4927_irq_handler.S
deleted file mode 100644
index dd3ceda9d71..00000000000
--- a/arch/mips/tx4927/common/tx4927_irq_handler.S
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * linux/arch/mips/tx4927/common/tx4927_irq_handler.S
- *
- * Primary interrupt handler for tx4927 based systems
- *
- * Author: MontaVista Software, Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- * source@mvista.com
- *
- * Copyright 2001-2002 MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <asm/asm.h>
-#include <asm/mipsregs.h>
-#include <asm/addrspace.h>
-#include <asm/regdef.h>
-#include <asm/stackframe.h>
-#include <asm/tx4927/tx4927.h>
-
- .align 5
- NESTED(tx4927_irq_handler, PT_SIZE, sp)
- SAVE_ALL
- CLI
- .set at
-
- mfc0 t0, CP0_CAUSE
- mfc0 t1, CP0_STATUS
- and t0, t1
-
- andi t1, t0, STATUSF_IP7 /* cpu timer */
- bnez t1, ll_ip7
-
- /* IP6..IP3 multiplexed -- do not use */
-
- andi t1, t0, STATUSF_IP2 /* tx4927 pic */
- bnez t1, ll_ip2
-
- andi t1, t0, STATUSF_IP0 /* user line 0 */
- bnez t1, ll_ip0
-
- andi t1, t0, STATUSF_IP1 /* user line 1 */
- bnez t1, ll_ip1
-
- .set reorder
-
- /* wrong alarm or masked ... */
- j spurious_interrupt
- nop
- END(tx4927_irq_handler)
-
- .align 5
-
-
-ll_ip7:
- li a0, TX4927_IRQ_CPU_TIMER
- move a1, sp
- jal do_IRQ
- j ret_from_irq
-
-ll_ip2:
- jal tx4927_irq_nested
- nop
- beqz v0, goto_spurious_interrupt
- nop
- move a0, v0
- move a1, sp
- jal do_IRQ
- j ret_from_irq
-
-goto_spurious_interrupt:
- j spurious_interrupt
- nop
-
-ll_ip1:
- li a0, TX4927_IRQ_USER1
- move a1, sp
- jal do_IRQ
- j ret_from_irq
-
-ll_ip0:
- li a0, TX4927_IRQ_USER0
- move a1, sp
- jal do_IRQ
- j ret_from_irq