xref: /freebsd/sys/contrib/ncsw/inc/flib/fsl_fman_sp.h (revision 852ba100)
1 /*
2  * Copyright 2013 Freescale Semiconductor Inc.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *     * Redistributions of source code must retain the above copyright
7  *       notice, this list of conditions and the following disclaimer.
8  *     * Redistributions in binary form must reproduce the above copyright
9  *       notice, this list of conditions and the following disclaimer in the
10  *       documentation and/or other materials provided with the distribution.
11  *     * Neither the name of Freescale Semiconductor nor the
12  *       names of its contributors may be used to endorse or promote products
13  *       derived from this software without specific prior written permission.
14  *
15  *
16  * ALTERNATIVELY, this software may be distributed under the terms of the
17  * GNU General Public License ("GPL") as published by the Free Software
18  * Foundation, either version 2 of that License or (at your option) any
19  * later version.
20  *
21  * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
28  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef __FSL_FMAN_SP_H
34 #define __FSL_FMAN_SP_H
35 
36 #include "common/general.h"
37 #include "fsl_fman.h"
38 
39 
40 struct fm_pcd_storage_profile_regs{
41 	uint32_t   fm_sp_ebmpi[8];
42 					/*offset 0 - 0xc*/
43 					/**< Buffer Manager pool Information */
44 
45 	uint32_t   fm_sp_acnt;      /*offset 0x20*/
46 	uint32_t   fm_sp_ebm;       /*offset 0x24*/
47 	uint32_t   fm_sp_da;        /*offset 0x28*/
48 	uint32_t   fm_sp_icp;       /*offset 0x2c*/
49 	uint32_t   fm_sp_mpd;       /*offset 0x30*/
50 	uint32_t   res1[2];         /*offset 0x34 - 0x38*/
51 	uint32_t   fm_sp_spliodn;   /*offset 0x3c*/
52 };
53 
54 /**************************************************************************//**
55  @Description   structure for defining internal context copying
56 *//***************************************************************************/
57 struct fman_sp_int_context_data_copy{
58 	uint16_t ext_buf_offset;     /**< Offset in External buffer to which
59 					internal context is copied to (Rx)
60 					or taken from (Tx, Op). */
61 	uint8_t int_context_offset; /**< Offset within internal context to copy
62 					from (Rx) or to copy to (Tx, Op).*/
63 	uint16_t size;             /**< Internal offset size to be copied */
64 };
65 
66 /**************************************************************************//**
67  @Description   struct for defining external buffer margins
68 *//***************************************************************************/
69 struct fman_sp_buf_margins{
70 	uint16_t start_margins;	/**< Number of bytes to be left at the
71 				beginning of the external buffer (must be
72 				divisible by 16) */
73 	uint16_t end_margins;   /**< number of bytes to be left at the end of
74 				 the external buffer(must be divisible by 16)*/
75 };
76 
77 struct fm_storage_profile_params {
78 	struct fman_ext_pools          		fm_ext_pools;
79 	struct fman_backup_bm_pools   		backup_pools;
80 	struct fman_sp_int_context_data_copy 	*int_context;
81 	struct fman_sp_buf_margins            	*buf_margins;
82 	enum fman_dma_swap_option    		dma_swap_data;
83 	enum fman_dma_cache_option          	int_context_cache_attr;
84 	enum fman_dma_cache_option          	header_cache_attr;
85 	enum fman_dma_cache_option          	scatter_gather_cache_attr;
86 	bool                        		dma_write_optimize;
87 	uint16_t                    		liodn_offset;
88 	bool                        		no_scather_gather;
89 	struct fman_buf_pool_depletion        buf_pool_depletion;
90 };
91 
92 /**************************************************************************//**
93  @Description       Registers bit fields
94 *//***************************************************************************/
95 #define FMAN_SP_EXT_BUF_POOL_EN_COUNTER             0x40000000
96 #define FMAN_SP_EXT_BUF_POOL_VALID                  0x80000000
97 #define FMAN_SP_EXT_BUF_POOL_BACKUP                 0x20000000
98 #define FMAN_SP_DMA_ATTR_WRITE_OPTIMIZE             0x00100000
99 #define FMAN_SP_SG_DISABLE                          0x80000000
100 
101 /* shifts */
102 #define FMAN_SP_EXT_BUF_POOL_ID_SHIFT               16
103 #define FMAN_SP_POOL_DEP_NUM_OF_POOLS_SHIFT         16
104 #define FMAN_SP_EXT_BUF_MARG_START_SHIFT            16
105 #define FMAN_SP_EXT_BUF_MARG_END_SHIFT              0
106 #define FMAN_SP_DMA_ATTR_SWP_SHIFT                  30
107 #define FMAN_SP_DMA_ATTR_IC_CACHE_SHIFT             28
108 #define FMAN_SP_DMA_ATTR_HDR_CACHE_SHIFT            26
109 #define FMAN_SP_DMA_ATTR_SG_CACHE_SHIFT             24
110 #define FMAN_SP_IC_TO_EXT_SHIFT                     16
111 #define FMAN_SP_IC_FROM_INT_SHIFT                   8
112 #define FMAN_SP_IC_SIZE_SHIFT                       0
113 
114 /**************************************************************************//**
115  @Description       defaults
116 *//***************************************************************************/
117 #define DEFAULT_FMAN_SP_DMA_SWAP_DATA                         FMAN_DMA_NO_SWP
118 #define DEFAULT_FMAN_SP_DMA_INT_CONTEXT_CACHE_ATTR            FMAN_DMA_NO_STASH
119 #define DEFAULT_FMAN_SP_DMA_HEADER_CACHE_ATTR                 FMAN_DMA_NO_STASH
120 #define DEFAULT_FMAN_SP_DMA_SCATTER_GATHER_CACHE_ATTR         FMAN_DMA_NO_STASH
121 #define DEFAULT_FMAN_SP_DMA_WRITE_OPTIMIZE                    TRUE
122 #define DEFAULT_FMAN_SP_NO_SCATTER_GATHER                     FALSE
123 
124 void fman_vsp_defconfig(struct fm_storage_profile_params *cfg);
125 
126 void fman_vsp_init(struct fm_pcd_storage_profile_regs   *regs,
127 	uint16_t index, struct fm_storage_profile_params *fm_vsp_params,
128 	int port_max_num_of_ext_pools, int bm_max_num_of_pools,
129 	int max_num_of_pfc_priorities);
130 
131 uint32_t fman_vsp_get_statistics(struct fm_pcd_storage_profile_regs *regs,
132 					uint16_t index);
133 
134 void fman_vsp_set_statistics(struct fm_pcd_storage_profile_regs *regs,
135 			uint16_t index,	uint32_t value);
136 
137 
138 #endif /* __FSL_FMAN_SP_H */
139