253 lines
6.4 KiB
C
253 lines
6.4 KiB
C
/*-
|
|
* Copyright (c) 2010 Nathan Whitehorn
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/pcpu.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/reboot.h>
|
|
#include <sys/smp.h>
|
|
|
|
#include <vm/vm.h>
|
|
#include <vm/pmap.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/cpu.h>
|
|
#include <machine/hid.h>
|
|
#include <machine/platform.h>
|
|
#include <machine/platformvar.h>
|
|
#include <machine/pmap.h>
|
|
#include <machine/smp.h>
|
|
#include <machine/spr.h>
|
|
#include <machine/vmparam.h>
|
|
|
|
#include "platform_if.h"
|
|
#include "ps3-hvcall.h"
|
|
|
|
#ifdef SMP
|
|
extern void *ap_pcpu;
|
|
#endif
|
|
|
|
static int ps3_probe(platform_t);
|
|
static int ps3_attach(platform_t);
|
|
static void ps3_mem_regions(platform_t, struct mem_region **phys, int *physsz,
|
|
struct mem_region **avail, int *availsz);
|
|
static vm_offset_t ps3_real_maxaddr(platform_t);
|
|
static u_long ps3_timebase_freq(platform_t, struct cpuref *cpuref);
|
|
#ifdef SMP
|
|
static int ps3_smp_first_cpu(platform_t, struct cpuref *cpuref);
|
|
static int ps3_smp_next_cpu(platform_t, struct cpuref *cpuref);
|
|
static int ps3_smp_get_bsp(platform_t, struct cpuref *cpuref);
|
|
static int ps3_smp_start_cpu(platform_t, struct pcpu *cpu);
|
|
static struct cpu_group *ps3_smp_topo(platform_t);
|
|
#endif
|
|
static void ps3_reset(platform_t);
|
|
static void ps3_cpu_idle(void);
|
|
|
|
static platform_method_t ps3_methods[] = {
|
|
PLATFORMMETHOD(platform_probe, ps3_probe),
|
|
PLATFORMMETHOD(platform_attach, ps3_attach),
|
|
PLATFORMMETHOD(platform_mem_regions, ps3_mem_regions),
|
|
PLATFORMMETHOD(platform_real_maxaddr, ps3_real_maxaddr),
|
|
PLATFORMMETHOD(platform_timebase_freq, ps3_timebase_freq),
|
|
|
|
#ifdef SMP
|
|
PLATFORMMETHOD(platform_smp_first_cpu, ps3_smp_first_cpu),
|
|
PLATFORMMETHOD(platform_smp_next_cpu, ps3_smp_next_cpu),
|
|
PLATFORMMETHOD(platform_smp_get_bsp, ps3_smp_get_bsp),
|
|
PLATFORMMETHOD(platform_smp_start_cpu, ps3_smp_start_cpu),
|
|
PLATFORMMETHOD(platform_smp_topo, ps3_smp_topo),
|
|
#endif
|
|
|
|
PLATFORMMETHOD(platform_reset, ps3_reset),
|
|
|
|
PLATFORMMETHOD_END
|
|
};
|
|
|
|
static platform_def_t ps3_platform = {
|
|
"ps3",
|
|
ps3_methods,
|
|
0
|
|
};
|
|
|
|
PLATFORM_DEF(ps3_platform);
|
|
|
|
static int
|
|
ps3_probe(platform_t plat)
|
|
{
|
|
|
|
return (BUS_PROBE_NOWILDCARD);
|
|
}
|
|
|
|
#define MEM_REGIONS 2
|
|
static struct mem_region avail_regions[MEM_REGIONS];
|
|
|
|
static int
|
|
ps3_attach(platform_t plat)
|
|
{
|
|
uint64_t lpar_id, junk, ppe_id;
|
|
|
|
/* Get real mode memory region */
|
|
avail_regions[0].mr_start = 0;
|
|
lv1_get_logical_partition_id(&lpar_id);
|
|
lv1_get_logical_ppe_id(&ppe_id);
|
|
lv1_get_repository_node_value(lpar_id,
|
|
lv1_repository_string("bi") >> 32, lv1_repository_string("pu"),
|
|
ppe_id, lv1_repository_string("rm_size"),
|
|
&avail_regions[0].mr_size, &junk);
|
|
|
|
/* Now get extended memory region */
|
|
lv1_get_repository_node_value(lpar_id,
|
|
lv1_repository_string("bi") >> 32,
|
|
lv1_repository_string("rgntotal"), 0, 0,
|
|
&avail_regions[1].mr_size, &junk);
|
|
|
|
/* Convert to maximum amount we can allocate in 16 MB pages */
|
|
avail_regions[1].mr_size -= avail_regions[0].mr_size;
|
|
avail_regions[1].mr_size -= avail_regions[1].mr_size % (16*1024*1024);
|
|
|
|
lv1_allocate_memory(avail_regions[1].mr_size, 24 /* 16 MB pages */,
|
|
0, 0x04 /* any address */, &avail_regions[1].mr_start, &junk);
|
|
|
|
pmap_mmu_install("mmu_ps3", BUS_PROBE_SPECIFIC);
|
|
cpu_idle_hook = ps3_cpu_idle;
|
|
|
|
/* Set a breakpoint to make NULL an invalid address */
|
|
lv1_set_dabr(0x7 /* read and write, MMU on */, 2 /* kernel accesses */);
|
|
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
ps3_mem_regions(platform_t plat, struct mem_region **phys, int *physsz,
|
|
struct mem_region **avail, int *availsz)
|
|
{
|
|
|
|
*phys = *avail = avail_regions;
|
|
*physsz = *availsz = MEM_REGIONS;
|
|
}
|
|
|
|
static u_long
|
|
ps3_timebase_freq(platform_t plat, struct cpuref *cpuref)
|
|
{
|
|
uint64_t ticks, node_id, junk;
|
|
|
|
lv1_get_repository_node_value(PS3_LPAR_ID_PME,
|
|
lv1_repository_string("be") >> 32, 0, 0, 0, &node_id, &junk);
|
|
lv1_get_repository_node_value(PS3_LPAR_ID_PME,
|
|
lv1_repository_string("be") >> 32, node_id,
|
|
lv1_repository_string("clock"), 0, &ticks, &junk);
|
|
|
|
return (ticks);
|
|
}
|
|
|
|
#ifdef SMP
|
|
static int
|
|
ps3_smp_first_cpu(platform_t plat, struct cpuref *cpuref)
|
|
{
|
|
|
|
cpuref->cr_cpuid = 0;
|
|
cpuref->cr_hwref = cpuref->cr_cpuid;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ps3_smp_next_cpu(platform_t plat, struct cpuref *cpuref)
|
|
{
|
|
|
|
if (cpuref->cr_cpuid >= 1)
|
|
return (ENOENT);
|
|
|
|
cpuref->cr_cpuid++;
|
|
cpuref->cr_hwref = cpuref->cr_cpuid;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ps3_smp_get_bsp(platform_t plat, struct cpuref *cpuref)
|
|
{
|
|
|
|
cpuref->cr_cpuid = 0;
|
|
cpuref->cr_hwref = cpuref->cr_cpuid;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ps3_smp_start_cpu(platform_t plat, struct pcpu *pc)
|
|
{
|
|
/* loader(8) is spinning on 0x40 == 0 right now */
|
|
uint32_t *secondary_spin_sem = (uint32_t *)(0x40);
|
|
int timeout;
|
|
|
|
if (pc->pc_hwref != 1)
|
|
return (ENXIO);
|
|
|
|
ap_pcpu = pc;
|
|
*secondary_spin_sem = 1;
|
|
powerpc_sync();
|
|
DELAY(1);
|
|
|
|
timeout = 10000;
|
|
while (!pc->pc_awake && timeout--)
|
|
DELAY(100);
|
|
|
|
return ((pc->pc_awake) ? 0 : EBUSY);
|
|
}
|
|
|
|
static struct cpu_group *
|
|
ps3_smp_topo(platform_t plat)
|
|
{
|
|
return (smp_topo_1level(CG_SHARE_L1, 2, CG_FLAG_SMT));
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
ps3_reset(platform_t plat)
|
|
{
|
|
lv1_panic(1);
|
|
}
|
|
|
|
static vm_offset_t
|
|
ps3_real_maxaddr(platform_t plat)
|
|
{
|
|
return (avail_regions[0].mr_start + avail_regions[0].mr_size);
|
|
}
|
|
|
|
static void
|
|
ps3_cpu_idle(void)
|
|
{
|
|
lv1_pause(0);
|
|
}
|
|
|