linux/arch/e2k/kernel/e3m.c

99 lines
2.3 KiB
C

#include <linux/ptrace.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <linux/smp.h>
#include <asm/apic.h>
#include <asm/e2k_api.h>
#include <asm/e2k.h>
#include <asm/e3m.h>
#include <asm/io.h>
#include <asm/iolinkmask.h>
#include <asm/machdep.h>
#include <asm/smp.h>
#include <asm/boot_head.h>
#include <asm/console.h>
#include <asm-l/nmi.h>
void __init
boot_e3m_setup_arch(void)
{
boot_machine.x86_io_area_base = E3M_X86_IO_AREA_PHYS_BASE;
boot_machine.rev = E3M_CPU_REVISION;
boot_machine.iset_ver = ELBRUS_ISET;
}
static void
e3m_setup_cpu_info(cpuinfo_e2k_t *cpu_info)
{
strncpy(cpu_info->vendor, E3M_CPU_VENDOR, 16);
cpu_info->family = E3M_CPU_FAMILY;
cpu_info->model = E3M_CPU_MODEL;
cpu_info->revision = E3M_CPU_REVISION;
cpu_info->L1_size = E3M_L1_CACHE_SIZE;
cpu_info->L1_bytes = E3M_L1_CACHE_BYTES;
cpu_info->L2_size = E3M_L2_CACHE_SIZE;
cpu_info->L2_bytes = E3M_L2_CACHE_BYTES;
}
static void
e3m_reset_machine(void)
{
nmi_on_each_cpu(write_back_cache_ipi, NULL, 1, 0);
outb(6, 0xcf9);
}
static void
e3m_halt_machine(void)
{
printk("Hardware support to power off is not until supported by "
"kernel, so use manual mode\n");
}
#ifdef CONFIG_IOHUB_DOMAINS
/*
* This e3m machine has not IO link and is connect to PIIX4 controller
* through North breadge, so it has only one IO bus and PCI domain # 0
*/
void __init
e3m_create_io_config(void)
{
char src_buffer[80];
char *buffer = src_buffer;
iolinks_num = 1;
iohub_set(0, iolink_iohub_map);
iohub_set(0, iolink_online_iohub_map);
iolink_iohub_num = 1;
iolink_online_iohub_num = 1;
buffer += iolinkmask_scnprintf(buffer, 80, iolink_online_iohub_map);
buffer[0] = '\0';
}
#endif /* CONFIG_IOHUB_DOMAINS */
/*
* machine structure is constant structure so can has own copy
* on each node in the case of NUMA
* Copy the structure to all nodes
*/
void __init
e3m_setup_arch(void)
{
int nid;
e2k_setup_arch();
for_each_node_has_dup_kernel(nid) {
the_node_machine(nid)->iset = NULL;
the_node_machine(nid)->setup_arch = e3m_setup_arch;
the_node_machine(nid)->setup_cpu_info = e3m_setup_cpu_info;
the_node_machine(nid)->arch_reset = e3m_reset_machine;
the_node_machine(nid)->arch_halt = e3m_halt_machine;
the_node_machine(nid)->get_irq_vector = e3m_get_vector;
}
#ifdef CONFIG_IOHUB_DOMAINS
e3m_create_io_config();
#endif /* CONFIG_IOHUB_DOMAINS */
}