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Use physical addresses at the interface level, letting drivers remap

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them as appropriate.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Maciej W. Rozycki 2005-07-01 16:10:40 +00:00 • committed by Ralf Baechle
parent 7d7ee22121
commit a5fc9c0bbe
18 changed files with 152 additions and 167 deletions
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22
arch/mips/dec/int-handler.S
View file

@ -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/asm.h>
#include <asm/regdef.h>
#include <asm/mipsregs.h>
#include <asm/stackframe.h>
#include <asm/addrspace.h>
#include <asm/asm.h>
#include <asm/mipsregs.h>
#include <asm/regdef.h>
#include <asm/stackframe.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
* decstation_handle_int: 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: