aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms/cell/spu_priv1_mmio.c
blob: 121aec353f268b007c558258acd206821efd13e8 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
/*
 * spu hypervisor abstraction for direct hardware access.
 *
 *  (C) Copyright IBM Deutschland Entwicklung GmbH 2005
 *  Copyright 2006 Sony Corp.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; version 2 of the License.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/ptrace.h>
#include <linux/wait.h>
#include <linux/mm.h>
#include <linux/io.h>
#include <linux/mutex.h>
#include <linux/device.h>
#include <linux/sched.h>

#include <asm/spu.h>
#include <asm/spu_priv1.h>
#include <asm/firmware.h>
#include <asm/prom.h>

#include "interrupt.h"
#include "spu_priv1_mmio.h"

static void int_mask_and(struct spu *spu, int class, u64 mask)
{
	u64 old_mask;

	old_mask = in_be64(&spu->priv1->int_mask_RW[class]);
	out_be64(&spu->priv1->int_mask_RW[class], old_mask & mask);
}

static void int_mask_or(struct spu *spu, int class, u64 mask)
{
	u64 old_mask;

	old_mask = in_be64(&spu->priv1->int_mask_RW[class]);
	out_be64(&spu->priv1->int_mask_RW[class], old_mask | mask);
}

static void int_mask_set(struct spu *spu, int class, u64 mask)
{
	out_be64(&spu->priv1->int_mask_RW[class], mask);
}

static u64 int_mask_get(struct spu *spu, int class)
{
	return in_be64(&spu->priv1->int_mask_RW[class]);
}

static void int_stat_clear(struct spu *spu, int class, u64 stat)
{
	out_be64(&spu->priv1->int_stat_RW[class], stat);
}

static u64 int_stat_get(struct spu *spu, int class)
{
	return in_be64(&spu->priv1->int_stat_RW[class]);
}

static void cpu_affinity_set(struct spu *spu, int cpu)
{
	u64 target;
	u64 route;

	if (nr_cpus_node(spu->node)) {
		const struct cpumask *spumask = cpumask_of_node(spu->node),
			*cpumask = cpumask_of_node(cpu_to_node(cpu));

		if (!cpumask_intersects(spumask, cpumask))
			return;
	}

	target = iic_get_target_id(cpu);
	route = target << 48 | target << 32 | target << 16;
	out_be64(&spu->priv1->int_route_RW, route);
}

static u64 mfc_dar_get(struct spu *spu)
{
	return in_be64(&spu->priv1->mfc_dar_RW);
}

static u64 mfc_dsisr_get(struct spu *spu)
{
	return in_be64(&spu->priv1->mfc_dsisr_RW);
}

static void mfc_dsisr_set(struct spu *spu, u64 dsisr)
{
	out_be64(&spu->priv1->mfc_dsisr_RW, dsisr);
}

static void mfc_sdr_setup(struct spu *spu)
{
	out_be64(&spu->priv1->mfc_sdr_RW, mfspr(SPRN_SDR1));
}

static void mfc_sr1_set(struct spu *spu, u64 sr1)
{
	out_be64(&spu->priv1->mfc_sr1_RW, sr1);
}

static u64 mfc_sr1_get(struct spu *spu)
{
	return in_be64(&spu->priv1->mfc_sr1_RW);
}

static void mfc_tclass_id_set(struct spu *spu, u64 tclass_id)
{
	out_be64(&spu->priv1->mfc_tclass_id_RW, tclass_id);
}

static u64 mfc_tclass_id_get(struct spu *spu)
{
	return in_be64(&spu->priv1->mfc_tclass_id_RW);
}

static void tlb_invalidate(struct spu *spu)
{
	out_be64(&spu->priv1->tlb_invalidate_entry_W, 0ul);
}

static void resource_allocation_groupID_set(struct spu *spu, u64 id)
{
	out_be64(&spu->priv1->resource_allocation_groupID_RW, id);
}

static u64 resource_allocation_groupID_get(struct spu *spu)
{
	return in_be64(&spu->priv1->resource_allocation_groupID_RW);
}

static void resource_allocation_enable_set(struct spu *spu, u64 enable)
{
	out_be64(&spu->priv1->resource_allocation_enable_RW, enable);
}

static u64 resource_allocation_enable_get(struct spu *spu)
{
	return in_be64(&spu->priv1->resource_allocation_enable_RW);
}

const struct spu_priv1_ops spu_priv1_mmio_ops =
{
	.int_mask_and = int_mask_and,
	.int_mask_or = int_mask_or,
	.int_mask_set = int_mask_set,
	.int_mask_get = int_mask_get,
	.int_stat_clear = int_stat_clear,
	.int_stat_get = int_stat_get,
	.cpu_affinity_set = cpu_affinity_set,
	.mfc_dar_get = mfc_dar_get,
	.mfc_dsisr_get = mfc_dsisr_get,
	.mfc_dsisr_set = mfc_dsisr_set,
	.mfc_sdr_setup = mfc_sdr_setup,
	.mfc_sr1_set = mfc_sr1_set,
	.mfc_sr1_get = mfc_sr1_get,
	.mfc_tclass_id_set = mfc_tclass_id_set,
	.mfc_tclass_id_get = mfc_tclass_id_get,
	.tlb_invalidate = tlb_invalidate,
	.resource_allocation_groupID_set = resource_allocation_groupID_set,
	.resource_allocation_groupID_get = resource_allocation_groupID_get,
	.resource_allocation_enable_set = resource_allocation_enable_set,
	.resource_allocation_enable_get = resource_allocation_enable_get,
};