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