* Copyright 2007, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* François Revol <revol@free.fr>
*
* Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
* All rights reserved. Distributed under the terms of the MIT License.
*/
#include <OS.h>
#include <arch_cpu.h>
#include <arch_platform.h>
#include <arch/system_info.h>
#include <boot/kernel_args.h>
static uint64 sCPUClockFrequency;
static uint64 sBusClockFrequency;
static uint16 sCPURevision;
void
arch_fill_topology_node(cpu_topology_node_info* node, int32 cpu)
{
switch (node->type) {
case B_TOPOLOGY_ROOT:
node->data.root.platform = B_CPU_M68K;
break;
case B_TOPOLOGY_PACKAGE:
node->data.package.vendor = B_CPU_VENDOR_MOTOROLA;
node->data.package.cache_line_size = CACHE_LINE_SIZE;
break;
case B_TOPOLOGY_CORE:
node->data.core.model = sCPURevision;
node->data.core.default_frequency = sCPUClockFrequency;
break;
default:
break;
}
}
status_t
arch_system_info_init(struct kernel_args *args)
{
sCPUClockFrequency = args->arch_args.cpu_frequency;
sBusClockFrequency = args->arch_args.bus_frequency;
sCPURevision = args->arch_args.cpu_type;
#warning M68K: use 060 PCR[15:8]
return B_OK;
}
status_t
arch_get_frequency(uint64 *frequency, int32 cpu)
{
*frequency = sCPUClockFrequency;
return B_OK;
}
