1 /* Copyright 2008 - 2016 Freescale Semiconductor, Inc.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are met:
5 * * Redistributions of source code must retain the above copyright
6 * notice, this list of conditions and the following disclaimer.
7 * * Redistributions in binary form must reproduce the above copyright
8 * notice, this list of conditions and the following disclaimer in the
9 * documentation and/or other materials provided with the distribution.
10 * * Neither the name of Freescale Semiconductor nor the
11 * names of its contributors may be used to endorse or promote products
12 * derived from this software without specific prior written permission.
13 *
14 * ALTERNATIVELY, this software may be distributed under the terms of the
15 * GNU General Public License ("GPL") as published by the Free Software
16 * Foundation, either version 2 of that License or (at your option) any
17 * later version.
18 *
19 * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
26 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
32
33 #include "dpaa_sys.h"
34
35 #include <soc/fsl/bman.h>
36
37 /* Portal processing (interrupt) sources */
38 #define BM_PIRQ_RCRI 0x00000002 /* RCR Ring (below threshold) */
39
40 /* Revision info (for errata and feature handling) */
41 #define BMAN_REV10 0x0100
42 #define BMAN_REV20 0x0200
43 #define BMAN_REV21 0x0201
44 extern u16 bman_ip_rev; /* 0 if uninitialised, otherwise BMAN_REVx */
45
46 extern struct gen_pool *bm_bpalloc;
47
48 struct bm_portal_config {
49 /* Portal addresses */
50 void *addr_virt_ce;
51 void __iomem *addr_virt_ci;
52 /* Allow these to be joined in lists */
53 struct list_head list;
54 struct device *dev;
55 /* User-visible portal configuration settings */
56 /* portal is affined to this cpu */
57 int cpu;
58 /* portal interrupt line */
59 int irq;
60 };
61
62 struct bman_portal *bman_create_affine_portal(
63 const struct bm_portal_config *config);
64 /*
65 * The below bman_p_***() variant might be called in a situation that the cpu
66 * which the portal affine to is not online yet.
67 * @bman_portal specifies which portal the API will use.
68 */
69 int bman_p_irqsource_add(struct bman_portal *p, u32 bits);
70
71 /*
72 * Used by all portal interrupt registers except 'inhibit'
73 * This mask contains all the "irqsource" bits visible to API users
74 */
75 #define BM_PIRQ_VISIBLE BM_PIRQ_RCRI
76
77 const struct bm_portal_config *
78 bman_get_bm_portal_config(const struct bman_portal *portal);
79
80 int bman_requires_cleanup(void);
81 void bman_done_cleanup(void);
82
83 int bm_shutdown_pool(u32 bpid);