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bootloader/u-boot_2015_04/include/faraday/ftpci100.h 1.94 KB
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  /*
   * Faraday FTPCI100 PCI Bridge Controller Device Driver Implementation
   *
   * Copyright (C) 2010 Andes Technology Corporation
   * Gavin Guo, Andes Technology Corporation <gavinguo@andestech.com>
   * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #ifndef __FTPCI100_H
  #define __FTPCI100_H
  
  /* AHB Control Registers */
  struct ftpci100_ahbc {
  	unsigned int iosize;		/* 0x00 - I/O Space Size Signal */
  	unsigned int prot;		/* 0x04 - AHB Protection */
  	unsigned int rsved[8];		/* 0x08-0x24 - Reserved */
  	unsigned int conf;		/* 0x28 - PCI Configuration */
  	unsigned int data;		/* 0x2c - PCI Configuration DATA */
  };
  
  /*
   * FTPCI100_IOSIZE_REG's constant definitions
   */
  #define FTPCI100_BASE_IO_SIZE(x)	(ffs(x) - 1)	/* 1M - 2048M */
  
  /*
   * PCI Configuration Register
   */
  #define PCI_INT_MASK			0x4c
  #define PCI_MEM_BASE_SIZE1		0x50
  #define PCI_MEM_BASE_SIZE2		0x54
  #define PCI_MEM_BASE_SIZE3		0x58
  
  /*
   * PCI_INT_MASK's bit definitions
   */
  #define PCI_INTA_ENABLE			(1 << 22)
  #define PCI_INTB_ENABLE			(1 << 23)
  #define PCI_INTC_ENABLE			(1 << 24)
  #define PCI_INTD_ENABLE			(1 << 25)
  
  /*
   * PCI_MEM_BASE_SIZE1's constant definitions
   */
  #define FTPCI100_BASE_ADR_SIZE(x)	((ffs(x) - 1) << 16)	/* 1M - 2048M */
  
  #define FTPCI100_MAX_FUNCTIONS		20
  #define PCI_IRQ_LINES			4
  
  #define MAX_BUS_NUM			256
  #define MAX_DEV_NUM			32
  #define MAX_FUN_NUM			8
  
  #define PCI_MAX_BAR_PER_FUNC		6
  
  /*
   * PCI_MEM_SIZE
   */
  #define FTPCI100_MEM_SIZE(x)		(ffs(x) << 24)
  
  /* This definition is used by pci_ftpci_init() */
  #define FTPCI100_BRIDGE_VENDORID		0x159b
  #define FTPCI100_BRIDGE_DEVICEID		0x4321
  
  void pci_ftpci_init(void);
  
  struct pcibar {
  	unsigned int size;
  	unsigned int addr;
  };
  
  struct pci_config {
  	unsigned int bus;
  	unsigned int dev;				/* device */
  	unsigned int func;
  	unsigned int pin;
  	unsigned short v_id;				/* vendor id */
  	unsigned short d_id;				/* device id */
  	struct pcibar bar[PCI_MAX_BAR_PER_FUNC + 1];
  };
  
  #endif