diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-19 19:07:12 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-19 19:07:12 -0700 |
commit | 25f42b6af09e34c3f92107b36b5aa6edc2fdba2f (patch) | |
tree | e0977d906193eadeafebc442775491b844be79d5 /arch/mips/ddb5xxx/ddb5476/vrc5476_irq.c | |
parent | 4c84a39c8adba6bf2f829b217e78bfd61478191a (diff) | |
parent | 1723b4a34af85447684c9696af83929d2c1e8e6b (diff) |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (51 commits)
[MIPS] Make timer interrupt frequency configurable from kconfig.
[MIPS] Correct HAL2 Kconfig description
[MIPS] Fix R4K cache macro names
[MIPS] Add Missing R4K Cache Macros to IP27 & IP32
[MIPS] Support for the RM9000-based Basler eXcite smart camera platform.
[MIPS] Support for the R5500-based NEC EMMA2RH Mark-eins board
[MIPS] Support SNI RM200C SNI in big endian mode and R5000 processors.
[MIPS] SN: include asm/sn/types.h for nasid_t.
[MIPS] Random fixes for sb1250
[MIPS] Fix bcm1480 compile
[MIPS] Remove support for NEC DDB5476.
[MIPS] Remove support for NEC DDB5074.
[MIPS] Cleanup memory managment initialization.
[MIPS] SN: Declare bridge_pci_ops.
[MIPS] Remove unused function alloc_pci_controller.
[MIPS] IP27: Extract pci_ops into separate file.
[MIPS] IP27: Use symbolic constants instead of magic numbers.
[MIPS] vr41xx: remove unnecessay items from vr41xx/Kconfig.
[MIPS] IP27: Cleanup N/M mode configuration.
[MIPS] IP27: Throw away old unused hacks.
...
Diffstat (limited to 'arch/mips/ddb5xxx/ddb5476/vrc5476_irq.c')
-rw-r--r-- | arch/mips/ddb5xxx/ddb5476/vrc5476_irq.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/arch/mips/ddb5xxx/ddb5476/vrc5476_irq.c b/arch/mips/ddb5xxx/ddb5476/vrc5476_irq.c deleted file mode 100644 index a3c5e7b18018..000000000000 --- a/arch/mips/ddb5xxx/ddb5476/vrc5476_irq.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * The irq controller for vrc5476. - * - * Copyright (C) 2001 MontaVista Software Inc. - * Author: jsun@mvista.com or jsun@junsun.net - * - * 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 <linux/init.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/types.h> -#include <linux/ptrace.h> - -#include <asm/system.h> - -#include <asm/ddb5xxx/ddb5xxx.h> - -static int irq_base; - -static void vrc5476_irq_enable(uint irq) -{ - nile4_enable_irq(irq - irq_base); -} - -static void vrc5476_irq_disable(uint irq) -{ - nile4_disable_irq(irq - irq_base); -} - -static unsigned int vrc5476_irq_startup(uint irq) -{ - nile4_enable_irq(irq - irq_base); - return 0; -} - -#define vrc5476_irq_shutdown vrc5476_irq_disable - -static void vrc5476_irq_ack(uint irq) -{ - nile4_clear_irq(irq - irq_base); - nile4_disable_irq(irq - irq_base); -} - -static void vrc5476_irq_end(uint irq) -{ - if(!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - vrc5476_irq_enable(irq); -} - -static hw_irq_controller vrc5476_irq_controller = { - .typename = "vrc5476", - .startup = vrc5476_irq_startup, - .shutdown = vrc5476_irq_shutdown, - .enable = vrc5476_irq_enable, - .disable = vrc5476_irq_disable, - .ack = vrc5476_irq_ack, - .end = vrc5476_irq_end -}; - -void __init -vrc5476_irq_init(u32 base) -{ - u32 i; - - irq_base = base; - for (i= base; i< base + NUM_VRC5476_IRQ; i++) { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].action = NULL; - irq_desc[i].depth = 1; - irq_desc[i].handler = &vrc5476_irq_controller; - } -} - - -void -vrc5476_irq_dispatch(struct pt_regs *regs) -{ - u32 mask; - int nile4_irq; - - mask = nile4_get_irq_stat(0); - - /* quick check for possible time interrupt */ - if (mask & (1 << VRC5476_IRQ_GPT)) { - do_IRQ(VRC5476_IRQ_BASE + VRC5476_IRQ_GPT, regs); - return; - } - - /* check for i8259 interrupts */ - if (mask & (1 << VRC5476_I8259_CASCADE)) { - int i8259_irq = nile4_i8259_iack(); - do_IRQ(I8259_IRQ_BASE + i8259_irq, regs); - return; - } - - /* regular nile4 interrupts (we should not really have any */ - for (nile4_irq = 0; mask; nile4_irq++, mask >>= 1) { - if (mask & 1) { - do_IRQ(VRC5476_IRQ_BASE + nile4_irq, regs); - return; - } - } - spurious_interrupt(regs); -} |