/* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, version 2, as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * Copyright (C) 2013 Freescale Semiconductor, Inc. * */ #ifndef __FSL_PAMU_H #define __FSL_PAMU_H #include <linux/iommu.h> #include <linux/pci.h> #include <asm/fsl_pamu_stash.h> /* Bit Field macros * v = bit field variable; m = mask, m##_SHIFT = shift, x = value to load */ #define set_bf(v, m, x) (v = ((v) & ~(m)) | (((x) << m##_SHIFT) & (m))) #define get_bf(v, m) (((v) & (m)) >> m##_SHIFT) /* PAMU CCSR space */ #define PAMU_PGC 0x00000000 /* Allows all peripheral accesses */ #define PAMU_PE 0x40000000 /* enable PAMU */ /* PAMU_OFFSET to the next pamu space in ccsr */ #define PAMU_OFFSET 0x1000 #define PAMU_MMAP_REGS_BASE 0 struct pamu_mmap_regs { u32 ppbah; u32 ppbal; u32 pplah; u32 pplal; u32 spbah; u32 spbal; u32 splah; u32 splal; u32 obah; u32 obal; u32 olah; u32 olal; }; /* PAMU Error Registers */ #define PAMU_POES1 0x0040 #define PAMU_POES2 0x0044 #define PAMU_POEAH 0x0048 #define PAMU_POEAL 0x004C #define PAMU_AVS1 0x0050 #define PAMU_AVS1_AV 0x1 #define PAMU_AVS1_OTV 0x6 #define PAMU_AVS1_APV 0x78 #define PAMU_AVS1_WAV 0x380 #define PAMU_AVS1_LAV 0x1c00 #define PAMU_AVS1_GCV 0x2000 #define PAMU_AVS1_PDV 0x4000 #define PAMU_AV_MASK (PAMU_AVS1_AV | PAMU_AVS1_OTV | PAMU_AVS1_APV | PAMU_AVS1_WAV \ | PAMU_AVS1_LAV | PAMU_AVS1_GCV | PAMU_AVS1_PDV) #define PAMU_AVS1_LIODN_SHIFT 16 #define PAMU_LAV_LIODN_NOT_IN_PPAACT 0x400 #define PAMU_AVS2 0x0054 #define PAMU_AVAH 0x0058 #define PAMU_AVAL 0x005C #define PAMU_EECTL 0x0060 #define PAMU_EEDIS 0x0064 #define PAMU_EEINTEN 0x0068 #define PAMU_EEDET 0x006C #define PAMU_EEATTR 0x0070 #define PAMU_EEAHI 0x0074 #define PAMU_EEALO 0x0078 #define PAMU_EEDHI 0X007C #define PAMU_EEDLO 0x0080 #define PAMU_EECC 0x0084 #define PAMU_UDAD 0x0090 /* PAMU Revision Registers */ #define PAMU_PR1 0x0BF8 #define PAMU_PR2 0x0BFC /* PAMU version mask */ #define PAMU_PR1_MASK 0xffff /* PAMU Capabilities Registers */ #define PAMU_PC1 0x0C00 #define PAMU_PC2 0x0C04 #define PAMU_PC3 0x0C08 #define PAMU_PC4 0x0C0C /* PAMU Control Register */ #define PAMU_PC 0x0C10 /* PAMU control defs */ #define PAMU_CONTROL 0x0C10 #define PAMU_PC_PGC 0x80000000 /* PAMU gate closed bit */ #define PAMU_PC_PE 0x40000000 /* PAMU enable bit */ #define PAMU_PC_SPCC 0x00000010 /* sPAACE cache enable */ #define PAMU_PC_PPCC 0x00000001 /* pPAACE cache enable */ #define PAMU_PC_OCE 0x00001000 /* OMT cache enable */ #define PAMU_PFA1 0x0C14 #define PAMU_PFA2 0x0C18 #define PAMU_PC2_MLIODN(X) ((X) >> 16) #define PAMU_PC3_MWCE(X) (((X) >> 21) & 0xf) /* PAMU Interrupt control and Status Register */ #define PAMU_PICS 0x0C1C #define PAMU_ACCESS_VIOLATION_STAT 0x8 #define PAMU_ACCESS_VIOLATION_ENABLE 0x4 /* PAMU Debug Registers */ #define PAMU_PD1 0x0F00 #define PAMU_PD2 0x0F04 #define PAMU_PD3 0x0F08 #define PAMU_PD4 0x0F0C #define PAACE_AP_PERMS_DENIED 0x0 #define PAACE_AP_PERMS_QUERY 0x1 #define PAACE_AP_PERMS_UPDATE 0x2 #define PAACE_AP_PERMS_ALL 0x3 #define PAACE_DD_TO_HOST 0x0 #define PAACE_DD_TO_IO 0x1 #define PAACE_PT_PRIMARY 0x0 #define PAACE_PT_SECONDARY 0x1 #define PAACE_V_INVALID 0x0 #define PAACE_V_VALID 0x1 #define PAACE_MW_SUBWINDOWS 0x1 #define PAACE_WSE_4K 0xB #define PAACE_WSE_8K 0xC #define PAACE_WSE_16K 0xD #define PAACE_WSE_32K 0xE #define PAACE_WSE_64K 0xF #define PAACE_WSE_128K 0x10 #define PAACE_WSE_256K 0x11 #define PAACE_WSE_512K 0x12 #define PAACE_WSE_1M 0x13 #define PAACE_WSE_2M 0x14 #define PAACE_WSE_4M 0x15 #define PAACE_WSE_8M 0x16 #define PAACE_WSE_16M 0x17 #define PAACE_WSE_32M 0x18 #define PAACE_WSE_64M 0x19 #define PAACE_WSE_128M 0x1A #define PAACE_WSE_256M 0x1B #define PAACE_WSE_512M 0x1C #define PAACE_WSE_1G 0x1D #define PAACE_WSE_2G 0x1E #define PAACE_WSE_4G 0x1F #define PAACE_DID_PCI_EXPRESS_1 0x00 #define PAACE_DID_PCI_EXPRESS_2 0x01 #define PAACE_DID_PCI_EXPRESS_3 0x02 #define PAACE_DID_PCI_EXPRESS_4 0x03 #define PAACE_DID_LOCAL_BUS 0x04 #define PAACE_DID_SRIO 0x0C #define PAACE_DID_MEM_1 0x10 #define PAACE_DID_MEM_2 0x11 #define PAACE_DID_MEM_3 0x12 #define PAACE_DID_MEM_4 0x13 #define PAACE_DID_MEM_1_2 0x14 #define PAACE_DID_MEM_3_4 0x15 #define PAACE_DID_MEM_1_4 0x16 #define PAACE_DID_BM_SW_PORTAL 0x18 #define PAACE_DID_PAMU 0x1C #define PAACE_DID_CAAM 0x21 #define PAACE_DID_QM_SW_PORTAL 0x3C #define PAACE_DID_CORE0_INST 0x80 #define PAACE_DID_CORE0_DATA 0x81 #define PAACE_DID_CORE1_INST 0x82 #define PAACE_DID_CORE1_DATA 0x83 #define PAACE_DID_CORE2_INST 0x84 #define PAACE_DID_CORE2_DATA 0x85 #define PAACE_DID_CORE3_INST 0x86 #define PAACE_DID_CORE3_DATA 0x87 #define PAACE_DID_CORE4_INST 0x88 #define PAACE_DID_CORE4_DATA 0x89 #define PAACE_DID_CORE5_INST 0x8A #define PAACE_DID_CORE5_DATA 0x8B #define PAACE_DID_CORE6_INST 0x8C #define PAACE_DID_CORE6_DATA 0x8D #define PAACE_DID_CORE7_INST 0x8E #define PAACE_DID_CORE7_DATA 0x8F #define PAACE_DID_BROADCAST 0xFF #define PAACE_ATM_NO_XLATE 0x00 #define PAACE_ATM_WINDOW_XLATE 0x01 #define PAACE_ATM_PAGE_XLATE 0x02 #define PAACE_ATM_WIN_PG_XLATE (PAACE_ATM_WINDOW_XLATE | PAACE_ATM_PAGE_XLATE) #define PAACE_OTM_NO_XLATE 0x00 #define PAACE_OTM_IMMEDIATE 0x01 #define PAACE_OTM_INDEXED 0x02 #define PAACE_OTM_RESERVED 0x03 #define PAACE_M_COHERENCE_REQ 0x01 #define PAACE_PID_0 0x0 #define PAACE_PID_1 0x1 #define PAACE_PID_2 0x2 #define PAACE_PID_3 0x3 #define PAACE_PID_4 0x4 #define PAACE_PID_5 0x5 #define PAACE_PID_6 0x6 #define PAACE_PID_7 0x7 #define PAACE_TCEF_FORMAT0_8B 0x00 #define PAACE_TCEF_FORMAT1_RSVD 0x01 /* * Hard coded value for the PAACT size to accommodate * maximum LIODN value generated by u-boot. */ #define PAACE_NUMBER_ENTRIES 0x500 /* Hard coded value for the SPAACT size */ #define SPAACE_NUMBER_ENTRIES 0x800 #define OME_NUMBER_ENTRIES 16 /* PAACE Bit Field Defines */ #define PPAACE_AF_WBAL 0xfffff000 #define PPAACE_AF_WBAL_SHIFT 12 #define PPAACE_AF_WSE 0x00000fc0 #define PPAACE_AF_WSE_SHIFT 6 #define PPAACE_AF_MW 0x00000020 #define PPAACE_AF_MW_SHIFT 5 #define SPAACE_AF_LIODN 0xffff0000 #define SPAACE_AF_LIODN_SHIFT 16 #define PAACE_AF_AP 0x00000018 #define PAACE_AF_AP_SHIFT 3 #define PAACE_AF_DD 0x00000004 #define PAACE_AF_DD_SHIFT 2 #define PAACE_AF_PT 0x00000002 #define PAACE_AF_PT_SHIFT 1 #define PAACE_AF_V 0x00000001 #define PAACE_AF_V_SHIFT 0 #define PAACE_DA_HOST_CR 0x80 #define PAACE_DA_HOST_CR_SHIFT 7 #define PAACE_IA_CID 0x00FF0000 #define PAACE_IA_CID_SHIFT 16 #define PAACE_IA_WCE 0x000000F0 #define PAACE_IA_WCE_SHIFT 4 #define PAACE_IA_ATM 0x0000000C #define PAACE_IA_ATM_SHIFT 2 #define PAACE_IA_OTM 0x00000003 #define PAACE_IA_OTM_SHIFT 0 #define PAACE_WIN_TWBAL 0xfffff000 #define PAACE_WIN_TWBAL_SHIFT 12 #define PAACE_WIN_SWSE 0x00000fc0 #define PAACE_WIN_SWSE_SHIFT 6 /* PAMU Data Structures */ /* primary / secondary paact structure */ struct paace { /* PAACE Offset 0x00 */ u32 wbah; /* only valid for Primary PAACE */ u32 addr_bitfields; /* See P/S PAACE_AF_* */ /* PAACE Offset 0x08 */ /* Interpretation of first 32 bits dependent on DD above */ union { struct { /* Destination ID, see PAACE_DID_* defines */ u8 did; /* Partition ID */ u8 pid; /* Snoop ID */ u8 snpid; /* coherency_required : 1 reserved : 7 */ u8 coherency_required; /* See PAACE_DA_* */ } to_host; struct { /* Destination ID, see PAACE_DID_* defines */ u8 did; u8 reserved1; u16 reserved2; } to_io; } domain_attr; /* Implementation attributes + window count + address & operation translation modes */ u32 impl_attr; /* See PAACE_IA_* */ /* PAACE Offset 0x10 */ /* Translated window base address */ u32 twbah; u32 win_bitfields; /* See PAACE_WIN_* */ /* PAACE Offset 0x18 */ /* first secondary paace entry */ u32 fspi; /* only valid for Primary PAACE */ union { struct { u8 ioea; u8 moea; u8 ioeb; u8 moeb; } immed_ot; struct { u16 reserved; u16 omi; } index_ot; } op_encode; /* PAACE Offsets 0x20-0x38 */ u32 reserved[8]; /* not currently implemented */ }; /* OME : Operation mapping entry * MOE : Mapped Operation Encodings * The operation mapping table is table containing operation mapping entries (OME). * The index of a particular OME is programmed in the PAACE entry for translation * in bound I/O operations corresponding to an LIODN. The OMT is used for translation * specifically in case of the indexed translation mode. Each OME contains a 128 * byte mapped operation encoding (MOE), where each byte represents an MOE. */ #define NUM_MOE 128 struct ome { u8 moe[NUM_MOE]; } __packed; #define PAACT_SIZE (sizeof(struct paace) * PAACE_NUMBER_ENTRIES) #define SPAACT_SIZE (sizeof(struct paace) * SPAACE_NUMBER_ENTRIES) #define OMT_SIZE (sizeof(struct ome) * OME_NUMBER_ENTRIES) #define PAMU_PAGE_SHIFT 12 #define PAMU_PAGE_SIZE 4096ULL #define IOE_READ 0x00 #define IOE_READ_IDX 0x00 #define IOE_WRITE 0x81 #define IOE_WRITE_IDX 0x01 #define IOE_EREAD0 0x82 /* Enhanced read type 0 */ #define IOE_EREAD0_IDX 0x02 /* Enhanced read type 0 */ #define IOE_EWRITE0 0x83 /* Enhanced write type 0 */ #define IOE_EWRITE0_IDX 0x03 /* Enhanced write type 0 */ #define IOE_DIRECT0 0x84 /* Directive type 0 */ #define IOE_DIRECT0_IDX 0x04 /* Directive type 0 */ #define IOE_EREAD1 0x85 /* Enhanced read type 1 */ #define IOE_EREAD1_IDX 0x05 /* Enhanced read type 1 */ #define IOE_EWRITE1 0x86 /* Enhanced write type 1 */ #define IOE_EWRITE1_IDX 0x06 /* Enhanced write type 1 */ #define IOE_DIRECT1 0x87 /* Directive type 1 */ #define IOE_DIRECT1_IDX 0x07 /* Directive type 1 */ #define IOE_RAC 0x8c /* Read with Atomic clear */ #define IOE_RAC_IDX 0x0c /* Read with Atomic clear */ #define IOE_RAS 0x8d /* Read with Atomic set */ #define IOE_RAS_IDX 0x0d /* Read with Atomic set */ #define IOE_RAD 0x8e /* Read with Atomic decrement */ #define IOE_RAD_IDX 0x0e /* Read with Atomic decrement */ #define IOE_RAI 0x8f /* Read with Atomic increment */ #define IOE_RAI_IDX 0x0f /* Read with Atomic increment */ #define EOE_READ 0x00 #define EOE_WRITE 0x01 #define EOE_RAC 0x0c /* Read with Atomic clear */ #define EOE_RAS 0x0d /* Read with Atomic set */ #define EOE_RAD 0x0e /* Read with Atomic decrement */ #define EOE_RAI 0x0f /* Read with Atomic increment */ #define EOE_LDEC 0x10 /* Load external cache */ #define EOE_LDECL 0x11 /* Load external cache with stash lock */ #define EOE_LDECPE 0x12 /* Load external cache with preferred exclusive */ #define EOE_LDECPEL 0x13 /* Load external cache with preferred exclusive and lock */ #define EOE_LDECFE 0x14 /* Load external cache with forced exclusive */ #define EOE_LDECFEL 0x15 /* Load external cache with forced exclusive and lock */ #define EOE_RSA 0x16 /* Read with stash allocate */ #define EOE_RSAU 0x17 /* Read with stash allocate and unlock */ #define EOE_READI 0x18 /* Read with invalidate */ #define EOE_RWNITC 0x19 /* Read with no intention to cache */ #define EOE_WCI 0x1a /* Write cache inhibited */ #define EOE_WWSA 0x1b /* Write with stash allocate */ #define EOE_WWSAL 0x1c /* Write with stash allocate and lock */ #define EOE_WWSAO 0x1d /* Write with stash allocate only */ #define EOE_WWSAOL 0x1e /* Write with stash allocate only and lock */ #define EOE_VALID 0x80 /* Function prototypes */ int pamu_domain_init(void); int pamu_enable_liodn(int liodn); int pamu_disable_liodn(int liodn); void pamu_free_subwins(int liodn); int pamu_config_ppaace(int liodn, phys_addr_t win_addr, phys_addr_t win_size, u32 omi, unsigned long rpn, u32 snoopid, uint32_t stashid, u32 subwin_cnt, int prot); int pamu_config_spaace(int liodn, u32 subwin_cnt, u32 subwin_addr, phys_addr_t subwin_size, u32 omi, unsigned long rpn, uint32_t snoopid, u32 stashid, int enable, int prot); u32 get_stash_id(u32 stash_dest_hint, u32 vcpu); void get_ome_index(u32 *omi_index, struct device *dev); int pamu_update_paace_stash(int liodn, u32 subwin, u32 value); int pamu_disable_spaace(int liodn, u32 subwin); u32 pamu_get_max_subwin_cnt(void); #endif /* __FSL_PAMU_H */