Commit f0265492 authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds

[PATCH] HPET 2/6: boot parsing

From: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>

acpi boot time parsing changes to look for HPET
parent 90233e4e
......@@ -270,6 +270,27 @@ acpi_scan_rsdp (
return 0;
}
#ifdef CONFIG_HPET_TIMER
extern unsigned long hpet_address;
static int __init acpi_parse_hpet(unsigned long phys, unsigned long size)
{
struct acpi_table_hpet *hpet_tbl;
hpet_tbl = __va(phys);
if (hpet_tbl->addr.space_id != ACPI_SPACE_MEM) {
printk(KERN_WARNING PREFIX "HPET timers must be located in "
"memory.\n");
return -1;
}
hpet_address = hpet_tbl->addr.addrl;
printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n", hpet_tbl->id,
hpet_address);
return 0;
}
#endif
unsigned long __init
acpi_find_rsdp (void)
......@@ -459,6 +480,9 @@ acpi_boot_init (void)
clustered_apic_check();
}
#endif
#ifdef CONFIG_HPET_TIMER
acpi_table_parse(ACPI_HPET, acpi_parse_hpet);
#endif
return 0;
}
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