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[SPARC64]: Convert cpu_find_by_*() interface to in-kernel PROM device tree.

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2006-06-21 23:34:02 -07:00
parent 6d307724cb
commit 07f8e5f358
6 changed files with 104 additions and 103 deletions
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16
arch/sparc64/kernel/time.c
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@@ -48,6 +48,7 @@
#include <asm/sections.h>
#include <asm/cpudata.h>
#include <asm/uaccess.h>
#include <asm/prom.h>
DEFINE_SPINLOCK(mostek_lock);
DEFINE_SPINLOCK(rtc_lock);
@@ -983,12 +984,14 @@ try_isa_clock:
/* This is gets the master TICK_INT timer going. */
static unsigned long sparc64_init_timers(void)
{
struct device_node *dp;
struct property *prop;
unsigned long clock;
int node;
#ifdef CONFIG_SMP
extern void smp_tick_init(void);
#endif
dp = of_find_node_by_path("/");
if (tlb_type == spitfire) {
unsigned long ver, manuf, impl;
@@ -999,18 +1002,17 @@ static unsigned long sparc64_init_timers(void)
if (manuf == 0x17 && impl == 0x13) {
/* Hummingbird, aka Ultra-IIe */
tick_ops = &hbtick_operations;
node = prom_root_node;
clock = prom_getint(node, "stick-frequency");
prop = of_find_property(dp, "stick-frequency", NULL);
} else {
tick_ops = &tick_operations;
cpu_find_by_instance(0, &node, NULL);
clock = prom_getint(node, "clock-frequency");
cpu_find_by_instance(0, &dp, NULL);
prop = of_find_property(dp, "clock-frequency", NULL);
}
} else {
tick_ops = &stick_operations;
node = prom_root_node;
clock = prom_getint(node, "stick-frequency");
prop = of_find_property(dp, "stick-frequency", NULL);
}
clock = *(unsigned int *) prop->value;
timer_tick_offset = clock / HZ;
#ifdef CONFIG_SMP