linux/arch/powerpc/sysdev/fsl_pci.h

106 lines
4.1 KiB
C

/*
* MPC85xx/86xx PCI Express structure define
*
* Copyright 2007,2011 Freescale Semiconductor, Inc
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#ifdef __KERNEL__
#ifndef __POWERPC_FSL_PCI_H
#define __POWERPC_FSL_PCI_H
#define PCIE_LTSSM 0x0404 /* PCIE Link Training and Status */
#define PCIE_LTSSM_L0 0x16 /* L0 state */
#define PIWAR_EN 0x80000000 /* Enable */
#define PIWAR_PF 0x20000000 /* prefetch */
#define PIWAR_TGI_LOCAL 0x00f00000 /* target - local memory */
#define PIWAR_READ_SNOOP 0x00050000
#define PIWAR_WRITE_SNOOP 0x00005000
#define PIWAR_SZ_MASK 0x0000003f
/* PCI/PCI Express outbound window reg */
struct pci_outbound_window_regs {
__be32 potar; /* 0x.0 - Outbound translation address register */
__be32 potear; /* 0x.4 - Outbound translation extended address register */
__be32 powbar; /* 0x.8 - Outbound window base address register */
u8 res1[4];
__be32 powar; /* 0x.10 - Outbound window attributes register */
u8 res2[12];
};
/* PCI/PCI Express inbound window reg */
struct pci_inbound_window_regs {
__be32 pitar; /* 0x.0 - Inbound translation address register */
u8 res1[4];
__be32 piwbar; /* 0x.8 - Inbound window base address register */
__be32 piwbear; /* 0x.c - Inbound window base extended address register */
__be32 piwar; /* 0x.10 - Inbound window attributes register */
u8 res2[12];
};
/* PCI/PCI Express IO block registers for 85xx/86xx */
struct ccsr_pci {
__be32 config_addr; /* 0x.000 - PCI/PCIE Configuration Address Register */
__be32 config_data; /* 0x.004 - PCI/PCIE Configuration Data Register */
__be32 int_ack; /* 0x.008 - PCI Interrupt Acknowledge Register */
__be32 pex_otb_cpl_tor; /* 0x.00c - PCIE Outbound completion timeout register */
__be32 pex_conf_tor; /* 0x.010 - PCIE configuration timeout register */
__be32 pex_config; /* 0x.014 - PCIE CONFIG Register */
__be32 pex_int_status; /* 0x.018 - PCIE interrupt status */
u8 res2[4];
__be32 pex_pme_mes_dr; /* 0x.020 - PCIE PME and message detect register */
__be32 pex_pme_mes_disr; /* 0x.024 - PCIE PME and message disable register */
__be32 pex_pme_mes_ier; /* 0x.028 - PCIE PME and message interrupt enable register */
__be32 pex_pmcr; /* 0x.02c - PCIE power management command register */
u8 res3[3024];
/* PCI/PCI Express outbound window 0-4
* Window 0 is the default window and is the only window enabled upon reset.
* The default outbound register set is used when a transaction misses
* in all of the other outbound windows.
*/
struct pci_outbound_window_regs pow[5];
u8 res14[96];
struct pci_inbound_window_regs pmit; /* 0xd00 - 0xd9c Inbound MSI */
u8 res6[96];
/* PCI/PCI Express inbound window 3-0
* inbound window 1 supports only a 32-bit base address and does not
* define an inbound window base extended address register.
*/
struct pci_inbound_window_regs piw[4];
__be32 pex_err_dr; /* 0x.e00 - PCI/PCIE error detect register */
u8 res21[4];
__be32 pex_err_en; /* 0x.e08 - PCI/PCIE error interrupt enable register */
u8 res22[4];
__be32 pex_err_disr; /* 0x.e10 - PCI/PCIE error disable register */
u8 res23[12];
__be32 pex_err_cap_stat; /* 0x.e20 - PCI/PCIE error capture status register */
u8 res24[4];
__be32 pex_err_cap_r0; /* 0x.e28 - PCIE error capture register 0 */
__be32 pex_err_cap_r1; /* 0x.e2c - PCIE error capture register 0 */
__be32 pex_err_cap_r2; /* 0x.e30 - PCIE error capture register 0 */
__be32 pex_err_cap_r3; /* 0x.e34 - PCIE error capture register 0 */
};
extern int fsl_add_bridge(struct device_node *dev, int is_primary);
extern void fsl_pcibios_fixup_bus(struct pci_bus *bus);
extern int mpc83xx_add_bridge(struct device_node *dev);
u64 fsl_pci_immrbar_base(struct pci_controller *hose);
extern struct device_node *fsl_pci_primary;
#ifdef CONFIG_FSL_PCI
void fsl_pci_init(void);
#else
static inline void fsl_pci_init(void) {}
#endif
#endif /* __POWERPC_FSL_PCI_H */
#endif /* __KERNEL__ */