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Map the low 4M of memory at 0xc0000000.

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This commit is contained in:
rearnsha 2002-07-08 16:17:42 +00:00
parent 9fb9bc0c8a
commit 20ea379ed5
1 changed files with 6 additions and 6 deletions
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12
sys/arch/evbarm/integrator/intmmu.S
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@ -1,4 +1,4 @@
/* $NetBSD: intmmu.S,v 1.4 2002/04/05 16:58:08 thorpej Exp $ */
/* $NetBSD: intmmu.S,v 1.5 2002/07/08 16:17:42 rearnsha Exp $ */
/*
* Copyright (c) 2001 ARM Ltd
@ -34,7 +34,7 @@
#include <arm/armreg.h>
#include <arm/arm32/pte.h>
.text
.section .start,"ax",%progbits
ASENTRY_NP(integrator_start)
mov r6, #0x16000000 /* UART0 Physical base*/
@ -64,16 +64,16 @@ Lflat:
bgt Lflat
/*
* Map VA 0xc0100000->0xc03fffff to PA 0x00000000->0x002fffff
* Map VA 0xc0000000->0xc03fffff to PA 0x00000000->0x003fffff
*/
mov r3, #(L1_S_AP(AP_KRW))
add r3, r3, #(L1_TYPE_S)
mov r1, #0x8000 /* page table start */
add r1, r1, #(0xc00 * 4) /* offset to 0xc00xxxxx */
add r1, r1, #(0x001 * 4) /* offset to 0xc01xxxxx */
mov r0, #47
# add r1, r1, #(0x001 * 4) /* offset to 0xc01xxxxx */
mov r0, #63
Lkern:
str r3, [r1], #0x0004 /* 0xa010000-0xa03fffff */
str r3, [r1], #0x0004 /* 0xc000000-0xc03fffff */
add r3, r3, r2
subs r0, r0, #1
bgt Lkern