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
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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
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23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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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