diff options
Diffstat (limited to 'arch/mips/momentum/ocelot_3/int-handler.S')
| -rw-r--r-- | arch/mips/momentum/ocelot_3/int-handler.S | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/arch/mips/momentum/ocelot_3/int-handler.S b/arch/mips/momentum/ocelot_3/int-handler.S deleted file mode 100644 index b120726..0000000 --- a/arch/mips/momentum/ocelot_3/int-handler.S +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Copyright 2002 Momentum Computer Inc. - * Author: Matthew Dharm <mdharm@momenco.com> - * - * Copyright 2001 MontaVista Software Inc. - * Author: jsun@mvista.com or jsun@junsun.net - * - * Copyright 2004 PMC-Sierra - * Author: Manish Lachwani (lachwani@pmc-sierra.com) - * - * Copyright (C) 2004 MontaVista Software Inc. - * Author: Manish Lachwani, mlachwani@mvista.com - * - * First-level interrupt dispatcher for Ocelot-3 board. - * - * 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. - */ -#include <asm/asm.h> -#include <asm/mipsregs.h> -#include <asm/addrspace.h> -#include <asm/regdef.h> -#include <asm/stackframe.h> - -/* - * First level interrupt dispatcher for Ocelot-3 board - */ - .align 5 - NESTED(ocelot3_handle_int, PT_SIZE, sp) - SAVE_ALL - CLI - .set at - - mfc0 t0, CP0_CAUSE - mfc0 t2, CP0_STATUS - - and t0, t2 - - andi t1, t0, STATUSF_IP0 /* sw0 software interrupt (IRQ0) */ - bnez t1, ll_sw0_irq - - andi t1, t0, STATUSF_IP1 /* sw1 software interrupt (IRQ1) */ - bnez t1, ll_sw1_irq - - andi t1, t0, STATUSF_IP2 /* int0 hardware line (IRQ2) */ - bnez t1, ll_pci0slot1_irq - - andi t1, t0, STATUSF_IP3 /* int1 hardware line (IRQ3) */ - bnez t1, ll_pci0slot2_irq - - andi t1, t0, STATUSF_IP4 /* int2 hardware line (IRQ4) */ - bnez t1, ll_pci1slot1_irq - - andi t1, t0, STATUSF_IP5 /* int3 hardware line (IRQ5) */ - bnez t1, ll_pci1slot2_irq - - andi t1, t0, STATUSF_IP6 /* int4 hardware line (IRQ6) */ - bnez t1, ll_uart_irq - - andi t1, t0, STATUSF_IP7 /* cpu timer (IRQ7) */ - bnez t1, ll_cputimer_irq - - /* now look at extended interrupts */ - mfc0 t0, CP0_CAUSE - cfc0 t1, CP0_S1_INTCONTROL - - /* shift the mask 8 bits left to line up the bits */ - sll t2, t1, 8 - - and t0, t2 - srl t0, t0, 16 - - andi t1, t0, STATUSF_IP8 /* int6 hardware line (IRQ9) */ - bnez t1, ll_mv64340_decode_irq - - .set reorder - - /* wrong alarm or masked ... */ - jal spurious_interrupt - nop - j ret_from_irq - nop - END(ocelot3_handle_int) - - .align 5 -ll_sw0_irq: - li a0, 0 /* IRQ 1 */ - move a1, sp - jal do_IRQ - j ret_from_irq -ll_sw1_irq: - li a0, 1 /* IRQ 2 */ - move a1, sp - jal do_IRQ - j ret_from_irq - -ll_pci0slot1_irq: - li a0, 2 /* IRQ 3 */ - move a1, sp - jal do_IRQ - j ret_from_irq - -ll_pci0slot2_irq: - li a0, 3 /* IRQ 4 */ - move a1, sp - jal do_IRQ - j ret_from_irq - -ll_pci1slot1_irq: - li a0, 4 /* IRQ 5 */ - move a1, sp - jal do_IRQ - j ret_from_irq - -ll_pci1slot2_irq: - li a0, 5 /* IRQ 6 */ - move a1, sp - jal do_IRQ - j ret_from_irq - -ll_uart_irq: - li a0, 6 /* IRQ 7 */ - move a1, sp - jal do_IRQ - j ret_from_irq - -ll_cputimer_irq: - li a0, 7 /* IRQ 8 */ - move a1, sp - jal do_IRQ - j ret_from_irq - -ll_mv64340_decode_irq: - move a0, sp - jal ll_mv64340_irq - j ret_from_irq - |
