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      1 /* SPDX-License-Identifier: GPL-2.0+ */
      2 /*
      3  * Copyright 2012-2016 Freescale Semiconductor, Inc.
      4  */
      5 
      6 #ifndef __PAMU_H
      7 #define __PAMU_H
      8 
      9 #define CONFIG_NUM_PAMU		16
     10 #define NUM_PPAACT_ENTRIES	512
     11 #define NUM_SPAACT_ENTRIES	256
     12 
     13 /* PAMU_OFFSET to the next pamu space in ccsr */
     14 #define PAMU_OFFSET 0x1000
     15 
     16 #define PAMU_TABLE_ALIGNMENT 0x00001000
     17 
     18 #define PAMU_PAGE_SHIFT 12
     19 #define PAMU_PAGE_SIZE  4096U
     20 
     21 #define PAACE_M_COHERENCE_REQ   0x01
     22 
     23 #define PAACE_DA_HOST_CR                0x80
     24 #define PAACE_DA_HOST_CR_SHIFT          7
     25 
     26 #define PAACE_AF_PT                     0x00000002
     27 #define PAACE_AF_PT_SHIFT               1
     28 
     29 #define PAACE_PT_PRIMARY       0x0
     30 #define PAACE_PT_SECONDARY     0x1
     31 
     32 #define PPAACE_AF_WBAL			0xfffff000
     33 #define PPAACE_AF_WBAL_SHIFT		12
     34 
     35 #define	OME_NUMBER_ENTRIES      16   /* based on P4080 2.0 silicon plan */
     36 
     37 #define PAACE_IA_CID			0x00FF0000
     38 #define PAACE_IA_CID_SHIFT		16
     39 #define PAACE_IA_WCE			0x000000F0
     40 #define PAACE_IA_WCE_SHIFT		4
     41 #define PAACE_IA_ATM			0x0000000C
     42 #define PAACE_IA_ATM_SHIFT		2
     43 #define PAACE_IA_OTM			0x00000003
     44 #define PAACE_IA_OTM_SHIFT		0
     45 
     46 #define PAACE_OTM_NO_XLATE      0x00
     47 #define PAACE_OTM_IMMEDIATE     0x01
     48 #define PAACE_OTM_INDEXED       0x02
     49 #define PAACE_OTM_RESERVED      0x03
     50 #define PAACE_ATM_NO_XLATE      0x00
     51 #define PAACE_ATM_WINDOW_XLATE  0x01
     52 #define PAACE_ATM_PAGE_XLATE    0x02
     53 #define PAACE_ATM_WIN_PG_XLATE  \
     54 	(PAACE_ATM_WINDOW_XLATE | PAACE_ATM_PAGE_XLATE)
     55 #define PAACE_WIN_TWBAL			0xfffff000
     56 #define PAACE_WIN_TWBAL_SHIFT		12
     57 #define PAACE_WIN_SWSE			0x00000fc0
     58 #define PAACE_WIN_SWSE_SHIFT		6
     59 
     60 #define PAACE_AF_AP			0x00000018
     61 #define PAACE_AF_AP_SHIFT		3
     62 #define PAACE_AF_DD			0x00000004
     63 #define PAACE_AF_DD_SHIFT		2
     64 #define PAACE_AF_PT			0x00000002
     65 #define PAACE_AF_PT_SHIFT		1
     66 #define PAACE_AF_V			0x00000001
     67 #define PAACE_AF_V_SHIFT		0
     68 #define PPAACE_AF_WSE			0x00000fc0
     69 #define PPAACE_AF_WSE_SHIFT		6
     70 #define PPAACE_AF_MW			0x00000020
     71 #define PPAACE_AF_MW_SHIFT		5
     72 
     73 #define PAACE_AP_PERMS_DENIED  0x0
     74 #define PAACE_AP_PERMS_QUERY   0x1
     75 #define PAACE_AP_PERMS_UPDATE  0x2
     76 #define PAACE_AP_PERMS_ALL     0x3
     77 
     78 #define SPAACE_AF_LIODN			0xffff0000
     79 #define SPAACE_AF_LIODN_SHIFT		16
     80 #define PAACE_V_VALID          0x1
     81 
     82 #define set_bf(v, m, x)             (v = ((v) & ~(m)) | (((x) << \
     83 					(m##_SHIFT)) & (m)))
     84 #define get_bf(v, m)            (((v) & (m)) >> (m##_SHIFT))
     85 
     86 #define DEFAULT_NUM_SUBWINDOWS		128
     87 #define PAMU_PCR_OFFSET 0xc10
     88 #define PAMU_PCR_PE	0x40000000
     89 
     90 struct pamu_addr_tbl {
     91 	phys_addr_t start_addr[10];
     92 	phys_addr_t end_addr[10];
     93 	phys_size_t size[10];
     94 };
     95 
     96 struct paace {
     97 	/* PAACE Offset 0x00 */
     98 	uint32_t wbah;			/* only valid for Primary PAACE */
     99 	uint32_t addr_bitfields;	/* See P/S PAACE_AF_* */
    100 
    101 	/* PAACE Offset 0x08 */
    102 	/* Interpretation of first 32 bits dependent on DD above */
    103 	union {
    104 		struct {
    105 			/* Destination ID, see PAACE_DID_* defines */
    106 			uint8_t did;
    107 			/* Partition ID */
    108 			uint8_t pid;
    109 			/* Snoop ID */
    110 			uint8_t snpid;
    111 			/* coherency_required : 1 reserved : 7 */
    112 			uint8_t coherency_required; /* See PAACE_DA_* */
    113 		} to_host;
    114 		struct {
    115 			/* Destination ID, see PAACE_DID_* defines */
    116 			uint8_t  did;
    117 			uint8_t  reserved1;
    118 			uint16_t reserved2;
    119 		} to_io;
    120 	} domain_attr;
    121 
    122 	/* Implementation attributes + window count + address & operation
    123 	 * translation modes
    124 	 */
    125 	uint32_t impl_attr;			/* See PAACE_IA_* */
    126 
    127 	/* PAACE Offset 0x10 */
    128 	/* Translated window base address */
    129 	uint32_t twbah;
    130 	uint32_t win_bitfields;			/* See PAACE_WIN_* */
    131 
    132 	/* PAACE Offset 0x18 */
    133 	/* first secondary paace entry */
    134 	uint32_t fspi;			/* only valid for Primary PAACE */
    135 	union {
    136 		struct {
    137 			uint8_t ioea;
    138 			uint8_t moea;
    139 			uint8_t ioeb;
    140 			uint8_t moeb;
    141 		} immed_ot;
    142 		struct {
    143 			uint16_t reserved;
    144 			uint16_t omi;
    145 		} index_ot;
    146 	} op_encode;
    147 
    148 	/* PAACE Offset 0x20 */
    149 	uint32_t reserved1[2];			/* not currently implemented */
    150 
    151 	/* PAACE Offset 0x28 */
    152 	uint32_t reserved2[2];			/* not currently implemented */
    153 
    154 	/* PAACE Offset 0x30 */
    155 	uint32_t reserved3[2];			/* not currently implemented */
    156 
    157 	/* PAACE Offset 0x38 */
    158 	uint32_t reserved4[2];			/* not currently implemented */
    159 
    160 };
    161 
    162 int pamu_init(void);
    163 void pamu_enable(void);
    164 void pamu_disable(void);
    165 int config_pamu(struct pamu_addr_tbl *tbl, int num_entries, uint32_t liodn);
    166 int sec_config_pamu_table(uint32_t liodn_ns, uint32_t liodn_s);
    167 
    168 #endif
    169