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Allow the kernel config file to override the default timer frequency 

using "options IXP425_CLOCK_FREQ".
This commit is contained in:
scw 2006-03-04 11:26:12 +00:00
parent 312ebc355d
commit c95cd91549
2 changed files with 10 additions and 3 deletions
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4
sys/arch/arm/xscale/files.ixp425
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@ -1,8 +1,10 @@
# $NetBSD: files.ixp425,v 1.8 2005/12/11 12:16:51 christos Exp $ # $NetBSD: files.ixp425,v 1.9 2006/03/04 11:26:12 scw Exp $
# #
# Configuration info for Intel IXP4xx CPU support # Configuration info for Intel IXP4xx CPU support
# #
defparam opt_ixp425.h IXP425_CLOCK_FREQ
file arch/arm/xscale/ixp425_intr.c file arch/arm/xscale/ixp425_intr.c
file arch/arm/xscale/ixp425_mem.c file arch/arm/xscale/ixp425_mem.c
file arch/arm/arm32/irq_dispatch.S file arch/arm/arm32/irq_dispatch.S

9
sys/arch/arm/xscale/ixp425_timer.c
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@ -1,4 +1,4 @@
/* $NetBSD: ixp425_timer.c,v 1.9 2005/12/11 12:16:51 christos Exp $ */ /* $NetBSD: ixp425_timer.c,v 1.10 2006/03/04 11:26:12 scw Exp $ */
/* /*
* Copyright (c) 2003 * Copyright (c) 2003
@ -34,8 +34,9 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ixp425_timer.c,v 1.9 2005/12/11 12:16:51 christos Exp $"); __KERNEL_RCSID(0, "$NetBSD: ixp425_timer.c,v 1.10 2006/03/04 11:26:12 scw Exp $");
#include "opt_ixp425.h"
#include "opt_perfctrs.h" #include "opt_perfctrs.h"
#include <sys/types.h> #include <sys/types.h>
@ -73,7 +74,11 @@ struct ixpclk_softc {
bus_space_handle_t sc_ioh; bus_space_handle_t sc_ioh;
}; };
#ifndef IXP425_CLOCK_FREQ
#define COUNTS_PER_SEC 66666600 /* 66MHz */ #define COUNTS_PER_SEC 66666600 /* 66MHz */
#else
#define COUNTS_PER_SEC IXP425_CLOCK_FREQ
#endif
#define COUNTS_PER_USEC ((COUNTS_PER_SEC / 1000000) + 1) #define COUNTS_PER_USEC ((COUNTS_PER_SEC / 1000000) + 1)
static struct ixpclk_softc *ixpclk_sc; static struct ixpclk_softc *ixpclk_sc;