Merge ../linus

[linux-2.6-omap-h63xx.git] / arch / mips / dec / int-handler.S

diff --git a/arch/mips/dec/int-handler.S b/arch/mips/dec/int-handler.S
index c89768d5c4e55458dd79c797a5daedbbb577afc4..e8ec93e33fe60cc05eb0c7503992cbca38581d7b 100644 (file)
--- a/arch/mips/dec/int-handler.S
+++ b/arch/mips/dec/int-handler.S
@@ -2,9 +2,9 @@
  * arch/mips/dec/int-handler.S
  *
  * Copyright (C) 1995, 1996, 1997 Paul M. Antoine and Harald Koerfgen
- * Copyright (C) 2000, 2001, 2002, 2003  Maciej W. Rozycki
+ * Copyright (C) 2000, 2001, 2002, 2003, 2005  Maciej W. Rozycki
  *
- * Written by Ralf Baechle and Andreas Busse, modified for DECStation
+ * Written by Ralf Baechle and Andreas Busse, modified for DECstation
  * support by Paul Antoine and Harald Koerfgen.
  *
  * completly rewritten:
@@ -14,11 +14,12 @@
  * by Maciej W. Rozycki.
  */
 #include <linux/config.h>
+
+#include <asm/addrspace.h>
 #include <asm/asm.h>
-#include <asm/regdef.h>
 #include <asm/mipsregs.h>
+#include <asm/regdef.h>
 #include <asm/stackframe.h>
-#include <asm/addrspace.h>
 
 #include <asm/dec/interrupts.h>
 #include <asm/dec/ioasic_addrs.h>
@@ -28,11 +29,14 @@
 #include <asm/dec/kn02xa.h>
 #include <asm/dec/kn03.h>
 
+#define KN02_CSR_BASE          CKSEG1ADDR(KN02_SLOT_BASE + KN02_CSR)
+#define KN02XA_IOASIC_BASE     CKSEG1ADDR(KN02XA_SLOT_BASE + IOASIC_IOCTL)
+#define KN03_IOASIC_BASE       CKSEG1ADDR(KN03_SLOT_BASE + IOASIC_IOCTL)
 
                .text
                .set    noreorder
 /*
- * decstation_handle_int: Interrupt handler for DECStations
+ * plat_irq_dispatch: Interrupt handler for DECstations
  *
  * We follow the model in the Indy interrupt code by David Miller, where he
  * says: a lot of complication here is taken away because:
@@ -48,7 +52,7 @@
  * 3) Linux only thinks in terms of all IRQs on or all IRQs
  *    off, nothing in between like BSD spl() brain-damage.
  *
- * Furthermore, the IRQs on the DECStations look basically (barring
+ * Furthermore, the IRQs on the DECstations look basically (barring
  * software IRQs which we don't use at all) like...
  *
  * DS2100/3100's, aka kn01, aka Pmax:
@@ -61,7 +65,7 @@
  *             3        Lance Ethernet
  *             4        DZ11 serial
  *             5        RTC
- *             6        Memory Controller
+ *             6        Memory Controller & Video
  *             7        FPU
  *
  * DS5000/200, aka kn02, aka 3max:
@@ -121,11 +125,7 @@
  * just take another exception, big deal.
  */
                .align  5
-               NESTED(decstation_handle_int, PT_SIZE, ra)
-               .set    noat
-               SAVE_ALL
-               CLI                             # TEST: interrupts should be off
-               .set    at
+               NESTED(plat_irq_dispatch, PT_SIZE, ra)
                .set    noreorder
 
                /*
@@ -278,9 +278,11 @@ fpu:
 #endif
 
 spurious:
-               j       spurious_interrupt
+               jal     spurious_interrupt
+                nop
+               j       ret_from_irq
                 nop
-               END(decstation_handle_int)
+               END(plat_irq_dispatch)
 
 /*
  * Generic unimplemented interrupt routines -- cpu_mask_nr_tbl