1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * MPC85xx/86xx PCI Express structure define 4 * 5 * Copyright 2007,2011 Freescale Semiconductor, Inc 6 */ 7 8 #ifdef __KERNEL__ 9 #ifndef __POWERPC_FSL_PCI_H 10 #define __POWERPC_FSL_PCI_H 11 12 struct platform_device; 13 14 15 /* FSL PCI controller BRR1 register */ 16 #define PCI_FSL_BRR1 0xbf8 17 #define PCI_FSL_BRR1_VER 0xffff 18 19 #define PCIE_LTSSM 0x0404 /* PCIE Link Training and Status */ 20 #define PCIE_LTSSM_L0 0x16 /* L0 state */ 21 #define PCIE_IP_REV_2_2 0x02080202 /* PCIE IP block version Rev2.2 */ 22 #define PCIE_IP_REV_3_0 0x02080300 /* PCIE IP block version Rev3.0 */ 23 #define PIWAR_EN 0x80000000 /* Enable */ 24 #define PIWAR_PF 0x20000000 /* prefetch */ 25 #define PIWAR_TGI_LOCAL 0x00f00000 /* target - local memory */ 26 #define PIWAR_READ_SNOOP 0x00050000 27 #define PIWAR_WRITE_SNOOP 0x00005000 28 #define PIWAR_SZ_MASK 0x0000003f 29 30 #define PEX_PMCR_PTOMR 0x1 31 #define PEX_PMCR_EXL2S 0x2 32 33 #define PME_DISR_EN_PTOD 0x00008000 34 #define PME_DISR_EN_ENL23D 0x00002000 35 #define PME_DISR_EN_EXL23D 0x00001000 36 37 /* PCI/PCI Express outbound window reg */ 38 struct pci_outbound_window_regs { 39 __be32 potar; /* 0x.0 - Outbound translation address register */ 40 __be32 potear; /* 0x.4 - Outbound translation extended address register */ 41 __be32 powbar; /* 0x.8 - Outbound window base address register */ 42 u8 res1[4]; 43 __be32 powar; /* 0x.10 - Outbound window attributes register */ 44 u8 res2[12]; 45 }; 46 47 /* PCI/PCI Express inbound window reg */ 48 struct pci_inbound_window_regs { 49 __be32 pitar; /* 0x.0 - Inbound translation address register */ 50 u8 res1[4]; 51 __be32 piwbar; /* 0x.8 - Inbound window base address register */ 52 __be32 piwbear; /* 0x.c - Inbound window base extended address register */ 53 __be32 piwar; /* 0x.10 - Inbound window attributes register */ 54 u8 res2[12]; 55 }; 56 57 /* PCI/PCI Express IO block registers for 85xx/86xx */ 58 struct ccsr_pci { 59 __be32 config_addr; /* 0x.000 - PCI/PCIE Configuration Address Register */ 60 __be32 config_data; /* 0x.004 - PCI/PCIE Configuration Data Register */ 61 __be32 int_ack; /* 0x.008 - PCI Interrupt Acknowledge Register */ 62 __be32 pex_otb_cpl_tor; /* 0x.00c - PCIE Outbound completion timeout register */ 63 __be32 pex_conf_tor; /* 0x.010 - PCIE configuration timeout register */ 64 __be32 pex_config; /* 0x.014 - PCIE CONFIG Register */ 65 __be32 pex_int_status; /* 0x.018 - PCIE interrupt status */ 66 u8 res2[4]; 67 __be32 pex_pme_mes_dr; /* 0x.020 - PCIE PME and message detect register */ 68 __be32 pex_pme_mes_disr; /* 0x.024 - PCIE PME and message disable register */ 69 __be32 pex_pme_mes_ier; /* 0x.028 - PCIE PME and message interrupt enable register */ 70 __be32 pex_pmcr; /* 0x.02c - PCIE power management command register */ 71 u8 res3[3016]; 72 __be32 block_rev1; /* 0x.bf8 - PCIE Block Revision register 1 */ 73 __be32 block_rev2; /* 0x.bfc - PCIE Block Revision register 2 */ 74 75 /* PCI/PCI Express outbound window 0-4 76 * Window 0 is the default window and is the only window enabled upon reset. 77 * The default outbound register set is used when a transaction misses 78 * in all of the other outbound windows. 79 */ 80 struct pci_outbound_window_regs pow[5]; 81 u8 res14[96]; 82 struct pci_inbound_window_regs pmit; /* 0xd00 - 0xd9c Inbound MSI */ 83 u8 res6[96]; 84 /* PCI/PCI Express inbound window 3-0 85 * inbound window 1 supports only a 32-bit base address and does not 86 * define an inbound window base extended address register. 87 */ 88 struct pci_inbound_window_regs piw[4]; 89 90 __be32 pex_err_dr; /* 0x.e00 - PCI/PCIE error detect register */ 91 u8 res21[4]; 92 __be32 pex_err_en; /* 0x.e08 - PCI/PCIE error interrupt enable register */ 93 u8 res22[4]; 94 __be32 pex_err_disr; /* 0x.e10 - PCI/PCIE error disable register */ 95 u8 res23[12]; 96 __be32 pex_err_cap_stat; /* 0x.e20 - PCI/PCIE error capture status register */ 97 u8 res24[4]; 98 __be32 pex_err_cap_r0; /* 0x.e28 - PCIE error capture register 0 */ 99 __be32 pex_err_cap_r1; /* 0x.e2c - PCIE error capture register 0 */ 100 __be32 pex_err_cap_r2; /* 0x.e30 - PCIE error capture register 0 */ 101 __be32 pex_err_cap_r3; /* 0x.e34 - PCIE error capture register 0 */ 102 u8 res_e38[200]; 103 __be32 pdb_stat; /* 0x.f00 - PCIE Debug Status */ 104 u8 res_f04[16]; 105 __be32 pex_csr0; /* 0x.f14 - PEX Control/Status register 0*/ 106 #define PEX_CSR0_LTSSM_MASK 0xFC 107 #define PEX_CSR0_LTSSM_SHIFT 2 108 #define PEX_CSR0_LTSSM_L0 0x11 109 __be32 pex_csr1; /* 0x.f18 - PEX Control/Status register 1*/ 110 u8 res_f1c[228]; 111 112 }; 113 114 extern int fsl_add_bridge(struct platform_device *pdev, int is_primary); 115 extern void fsl_pcibios_fixup_bus(struct pci_bus *bus); 116 extern void fsl_pcibios_fixup_phb(struct pci_controller *phb); 117 extern int mpc83xx_add_bridge(struct device_node *dev); 118 u64 fsl_pci_immrbar_base(struct pci_controller *hose); 119 120 extern struct device_node *fsl_pci_primary; 121 122 #ifdef CONFIG_PCI 123 void fsl_pci_assign_primary(void); 124 #else 125 static inline void fsl_pci_assign_primary(void) {} 126 #endif 127 128 #ifdef CONFIG_FSL_PCI 129 extern int fsl_pci_mcheck_exception(struct pt_regs *); 130 #else 131 static inline int fsl_pci_mcheck_exception(struct pt_regs *regs) {return 0; } 132 #endif 133 134 #endif /* __POWERPC_FSL_PCI_H */ 135 #endif /* __KERNEL__ */ 136