1/* 2 * MPC85xx/86xx PCI Express structure define 3 * 4 * Copyright 2007 Freescale Semiconductor, Inc 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the 8 * Free Software Foundation; either version 2 of the License, or (at your 9 * option) any later version. 10 * 11 */ 12 13#ifdef __KERNEL__ 14#ifndef __POWERPC_FSL_PCI_H 15#define __POWERPC_FSL_PCI_H 16 17#define PCIE_LTSSM 0x0404 /* PCIE Link Training and Status */ 18#define PCIE_LTSSM_L0 0x16 /* L0 state */ 19#define PIWAR_EN 0x80000000 /* Enable */ 20#define PIWAR_PF 0x20000000 /* prefetch */ 21#define PIWAR_TGI_LOCAL 0x00f00000 /* target - local memory */ 22#define PIWAR_READ_SNOOP 0x00050000 23#define PIWAR_WRITE_SNOOP 0x00005000 24 25/* PCI/PCI Express outbound window reg */ 26struct pci_outbound_window_regs { 27 __be32 potar; /* 0x.0 - Outbound translation address register */ 28 __be32 potear; /* 0x.4 - Outbound translation extended address register */ 29 __be32 powbar; /* 0x.8 - Outbound window base address register */ 30 u8 res1[4]; 31 __be32 powar; /* 0x.10 - Outbound window attributes register */ 32 u8 res2[12]; 33}; 34 35/* PCI/PCI Express inbound window reg */ 36struct pci_inbound_window_regs { 37 __be32 pitar; /* 0x.0 - Inbound translation address register */ 38 u8 res1[4]; 39 __be32 piwbar; /* 0x.8 - Inbound window base address register */ 40 __be32 piwbear; /* 0x.c - Inbound window base extended address register */ 41 __be32 piwar; /* 0x.10 - Inbound window attributes register */ 42 u8 res2[12]; 43}; 44 45/* PCI/PCI Express IO block registers for 85xx/86xx */ 46struct ccsr_pci { 47 __be32 config_addr; /* 0x.000 - PCI/PCIE Configuration Address Register */ 48 __be32 config_data; /* 0x.004 - PCI/PCIE Configuration Data Register */ 49 __be32 int_ack; /* 0x.008 - PCI Interrupt Acknowledge Register */ 50 __be32 pex_otb_cpl_tor; /* 0x.00c - PCIE Outbound completion timeout register */ 51 __be32 pex_conf_tor; /* 0x.010 - PCIE configuration timeout register */ 52 u8 res2[12]; 53 __be32 pex_pme_mes_dr; /* 0x.020 - PCIE PME and message detect register */ 54 __be32 pex_pme_mes_disr; /* 0x.024 - PCIE PME and message disable register */ 55 __be32 pex_pme_mes_ier; /* 0x.028 - PCIE PME and message interrupt enable register */ 56 __be32 pex_pmcr; /* 0x.02c - PCIE power management command register */ 57 u8 res3[3024]; 58 59/* PCI/PCI Express outbound window 0-4 60 * Window 0 is the default window and is the only window enabled upon reset. 61 * The default outbound register set is used when a transaction misses 62 * in all of the other outbound windows. 63 */ 64 struct pci_outbound_window_regs pow[5]; 65 66 u8 res14[256]; 67 68/* PCI/PCI Express inbound window 3-1 69 * inbound window 1 supports only a 32-bit base address and does not 70 * define an inbound window base extended address register. 71 */ 72 struct pci_inbound_window_regs piw[3]; 73 74 __be32 pex_err_dr; /* 0x.e00 - PCI/PCIE error detect register */ 75 u8 res21[4]; 76 __be32 pex_err_en; /* 0x.e08 - PCI/PCIE error interrupt enable register */ 77 u8 res22[4]; 78 __be32 pex_err_disr; /* 0x.e10 - PCI/PCIE error disable register */ 79 u8 res23[12]; 80 __be32 pex_err_cap_stat; /* 0x.e20 - PCI/PCIE error capture status register */ 81 u8 res24[4]; 82 __be32 pex_err_cap_r0; /* 0x.e28 - PCIE error capture register 0 */ 83 __be32 pex_err_cap_r1; /* 0x.e2c - PCIE error capture register 0 */ 84 __be32 pex_err_cap_r2; /* 0x.e30 - PCIE error capture register 0 */ 85 __be32 pex_err_cap_r3; /* 0x.e34 - PCIE error capture register 0 */ 86}; 87 88extern int fsl_add_bridge(struct device_node *dev, int is_primary); 89extern void fsl_pcibios_fixup_bus(struct pci_bus *bus); 90extern int mpc83xx_add_bridge(struct device_node *dev); 91 92#endif /* __POWERPC_FSL_PCI_H */ 93#endif /* __KERNEL__ */ 94