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Support run-time configuration for PXA25x and PXA27x.

This commit is contained in:
kiyohara 2009-08-01 10:33:58 +00:00
parent 9bbfba8140
commit 9cac6fe270
1 changed files with 14 additions and 4 deletions
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18
sys/arch/arm/sa11x0/sa11x0_ost.c
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@ -1,4 +1,4 @@
/* $NetBSD: sa11x0_ost.c,v 1.26 2009/05/29 14:15:44 rjs Exp $ */
/* $NetBSD: sa11x0_ost.c,v 1.27 2009/08/01 10:33:58 kiyohara Exp $ */
/*
* Copyright (c) 1997 Mark Brinicombe.
@ -38,7 +38,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sa11x0_ost.c,v 1.26 2009/05/29 14:15:44 rjs Exp $");
__KERNEL_RCSID(0, "$NetBSD: sa11x0_ost.c,v 1.27 2009/08/01 10:33:58 kiyohara Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -80,7 +80,9 @@ struct saost_softc {
static struct saost_softc *saost_sc = NULL;
#if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250)
#error ost needs to dynamically configure the frequency
#include <arm/xscale/pxa2x0cpu.h>
static uint32_t freq;
#define TIMER_FREQUENCY freq
#elif defined(CPU_XSCALE_PXA270)
#define TIMER_FREQUENCY 3250000 /* PXA270 uses 3.25MHz */
#else
@ -223,6 +225,9 @@ cpu_initclocks(void)
stathz = STATHZ;
profhz = stathz;
#if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250)
TIMER_FREQUENCY = (CPU_IS_PXA250) ? 3686400 : 3250000;
#endif
sc->sc_statclock_step = TIMER_FREQUENCY / stathz;
aprint_normal("clock: hz=%d stathz=%d\n", hz, stathz);
@ -258,12 +263,17 @@ saost_tc_init(void)
{
static struct timecounter saost_tc = {
.tc_get_timecount = saost_tc_get_timecount,
.tc_frequency = TIMER_FREQUENCY,
.tc_counter_mask = ~0,
.tc_name = "saost_count",
#if !(defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250))
.tc_frequency = TIMER_FREQUENCY,
#endif
.tc_quality = 100,
};
#if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250)
saost_tc.tc_frequency = TIMER_FREQUENCY,
#endif
tc_init(&saost_tc);
}