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); |
84 | |