2 * Copyright (c) 2010 Nathan Whitehorn
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
36 #include <sys/reboot.h>
42 #include <machine/bus.h>
43 #include <machine/cpu.h>
44 #include <machine/hid.h>
45 #include <machine/platform.h>
46 #include <machine/platformvar.h>
47 #include <machine/smp.h>
48 #include <machine/spr.h>
49 #include <machine/vmparam.h>
51 #include <dev/ofw/openfirm.h>
53 #include "platform_if.h"
54 #include "ps3-hvcall.h"
60 static int ps3_probe(platform_t
);
61 static int ps3_attach(platform_t
);
62 static void ps3_mem_regions(platform_t
, struct mem_region
*phys
, int *physsz
,
63 struct mem_region
*avail
, int *availsz
);
64 static vm_offset_t
ps3_real_maxaddr(platform_t
);
65 static u_long
ps3_timebase_freq(platform_t
, struct cpuref
*cpuref
);
67 static int ps3_smp_first_cpu(platform_t
, struct cpuref
*cpuref
);
68 static int ps3_smp_next_cpu(platform_t
, struct cpuref
*cpuref
);
69 static int ps3_smp_get_bsp(platform_t
, struct cpuref
*cpuref
);
70 static int ps3_smp_start_cpu(platform_t
, struct pcpu
*cpu
);
71 static struct cpu_group
*ps3_smp_topo(platform_t
);
73 static void ps3_reset(platform_t
);
74 static void ps3_cpu_idle(sbintime_t
);
76 static platform_method_t ps3_methods
[] = {
77 PLATFORMMETHOD(platform_probe
, ps3_probe
),
78 PLATFORMMETHOD(platform_attach
, ps3_attach
),
79 PLATFORMMETHOD(platform_mem_regions
, ps3_mem_regions
),
80 PLATFORMMETHOD(platform_real_maxaddr
, ps3_real_maxaddr
),
81 PLATFORMMETHOD(platform_timebase_freq
, ps3_timebase_freq
),
84 PLATFORMMETHOD(platform_smp_first_cpu
, ps3_smp_first_cpu
),
85 PLATFORMMETHOD(platform_smp_next_cpu
, ps3_smp_next_cpu
),
86 PLATFORMMETHOD(platform_smp_get_bsp
, ps3_smp_get_bsp
),
87 PLATFORMMETHOD(platform_smp_start_cpu
, ps3_smp_start_cpu
),
88 PLATFORMMETHOD(platform_smp_topo
, ps3_smp_topo
),
91 PLATFORMMETHOD(platform_reset
, ps3_reset
),
96 static platform_def_t ps3_platform
= {
102 PLATFORM_DEF(ps3_platform
);
105 ps3_probe(platform_t plat
)
110 root
= OF_finddevice("/");
111 if (OF_getprop(root
, "compatible", compatible
, sizeof(compatible
)) <= 0)
112 return (BUS_PROBE_NOWILDCARD
);
114 if (strncmp(compatible
, "sony,ps3", sizeof(compatible
)) != 0)
115 return (BUS_PROBE_NOWILDCARD
);
117 return (BUS_PROBE_SPECIFIC
);
121 ps3_attach(platform_t plat
)
124 pmap_mmu_install("mmu_ps3", BUS_PROBE_SPECIFIC
);
125 cpu_idle_hook
= ps3_cpu_idle
;
127 /* Set a breakpoint to make NULL an invalid address */
128 lv1_set_dabr(0x7 /* read and write, MMU on */, 2 /* kernel accesses */);
134 ps3_mem_regions(platform_t plat
, struct mem_region
*phys
, int *physsz
,
135 struct mem_region
*avail_regions
, int *availsz
)
137 uint64_t lpar_id
, junk
, ppe_id
;
139 /* Get real mode memory region */
140 avail_regions
[0].mr_start
= 0;
141 lv1_get_logical_partition_id(&lpar_id
);
142 lv1_get_logical_ppe_id(&ppe_id
);
143 lv1_get_repository_node_value(lpar_id
,
144 lv1_repository_string("bi") >> 32, lv1_repository_string("pu"),
145 ppe_id
, lv1_repository_string("rm_size"),
146 &avail_regions
[0].mr_size
, &junk
);
148 /* Now get extended memory region */
149 lv1_get_repository_node_value(lpar_id
,
150 lv1_repository_string("bi") >> 32,
151 lv1_repository_string("rgntotal"), 0, 0,
152 &avail_regions
[1].mr_size
, &junk
);
154 /* Convert to maximum amount we can allocate in 16 MB pages */
155 avail_regions
[1].mr_size
-= avail_regions
[0].mr_size
;
156 avail_regions
[1].mr_size
-= avail_regions
[1].mr_size
% (16*1024*1024);
158 /* Allocate extended memory region */
159 lv1_allocate_memory(avail_regions
[1].mr_size
, 24 /* 16 MB pages */,
160 0, 0x04 /* any address */, &avail_regions
[1].mr_start
, &junk
);
165 memcpy(phys
, avail_regions
, sizeof(*phys
)*2);
171 ps3_timebase_freq(platform_t plat
, struct cpuref
*cpuref
)
173 uint64_t ticks
, node_id
, junk
;
175 lv1_get_repository_node_value(PS3_LPAR_ID_PME
,
176 lv1_repository_string("be") >> 32, 0, 0, 0, &node_id
, &junk
);
177 lv1_get_repository_node_value(PS3_LPAR_ID_PME
,
178 lv1_repository_string("be") >> 32, node_id
,
179 lv1_repository_string("clock"), 0, &ticks
, &junk
);
186 ps3_smp_first_cpu(platform_t plat
, struct cpuref
*cpuref
)
189 cpuref
->cr_cpuid
= 0;
190 cpuref
->cr_hwref
= cpuref
->cr_cpuid
;
196 ps3_smp_next_cpu(platform_t plat
, struct cpuref
*cpuref
)
199 if (cpuref
->cr_cpuid
>= 1)
203 cpuref
->cr_hwref
= cpuref
->cr_cpuid
;
209 ps3_smp_get_bsp(platform_t plat
, struct cpuref
*cpuref
)
212 cpuref
->cr_cpuid
= 0;
213 cpuref
->cr_hwref
= cpuref
->cr_cpuid
;
219 ps3_smp_start_cpu(platform_t plat
, struct pcpu
*pc
)
221 /* loader(8) is spinning on 0x40 == 0 right now */
222 uint32_t *secondary_spin_sem
= (uint32_t *)(0x40);
225 if (pc
->pc_hwref
!= 1)
229 *secondary_spin_sem
= 1;
234 while (!pc
->pc_awake
&& timeout
--)
237 return ((pc
->pc_awake
) ? 0 : EBUSY
);
240 static struct cpu_group
*
241 ps3_smp_topo(platform_t plat
)
243 return (smp_topo_1level(CG_SHARE_L1
, 2, CG_FLAG_SMT
));
248 ps3_reset(platform_t plat
)
254 ps3_real_maxaddr(platform_t plat
)
256 struct mem_region
*phys
, *avail
;
259 mem_regions(&phys
, &nphys
, &avail
, &navail
);
261 return (phys
[0].mr_start
+ phys
[0].mr_size
);
265 ps3_cpu_idle(sbintime_t sbt
)