LXR uboot/include/faraday/ftpci100.h

   1/*
   2 * Faraday FTPCI100 PCI Bridge Controller Device Driver Implementation
   3 *
   4 * Copyright (C) 2010 Andes Technology Corporation
   5 * Gavin Guo, Andes Technology Corporation <gavinguo@andestech.com>
   6 * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
   7 *
   8 * SPDX-License-Identifier:     GPL-2.0+
   9 */
  10
  11#ifndef __FTPCI100_H
  12#define __FTPCI100_H
  13
  14/* AHB Control Registers */
  15struct ftpci100_ahbc {
  16        unsigned int iosize;            /* 0x00 - I/O Space Size Signal */
  17        unsigned int prot;              /* 0x04 - AHB Protection */
  18        unsigned int rsved[8];          /* 0x08-0x24 - Reserved */
  19        unsigned int conf;              /* 0x28 - PCI Configuration */
  20        unsigned int data;              /* 0x2c - PCI Configuration DATA */
  21};
  22
  23/*
  24 * FTPCI100_IOSIZE_REG's constant definitions
  25 */
  26#define FTPCI100_BASE_IO_SIZE(x)        (ffs(x) - 1)    /* 1M - 2048M */
  27
  28/*
  29 * PCI Configuration Register
  30 */
  31#define PCI_INT_MASK                    0x4c
  32#define PCI_MEM_BASE_SIZE1              0x50
  33#define PCI_MEM_BASE_SIZE2              0x54
  34#define PCI_MEM_BASE_SIZE3              0x58
  35
  36/*
  37 * PCI_INT_MASK's bit definitions
  38 */
  39#define PCI_INTA_ENABLE                 (1 << 22)
  40#define PCI_INTB_ENABLE                 (1 << 23)
  41#define PCI_INTC_ENABLE                 (1 << 24)
  42#define PCI_INTD_ENABLE                 (1 << 25)
  43
  44/*
  45 * PCI_MEM_BASE_SIZE1's constant definitions
  46 */
  47#define FTPCI100_BASE_ADR_SIZE(x)       ((ffs(x) - 1) << 16)    /* 1M - 2048M */
  48
  49#define FTPCI100_MAX_FUNCTIONS          20
  50#define PCI_IRQ_LINES                   4
  51
  52#define MAX_BUS_NUM                     256
  53#define MAX_DEV_NUM                     32
  54#define MAX_FUN_NUM                     8
  55
  56#define PCI_MAX_BAR_PER_FUNC            6
  57
  58/*
  59 * PCI_MEM_SIZE
  60 */
  61#define FTPCI100_MEM_SIZE(x)            (ffs(x) << 24)
  62
  63/* This definition is used by pci_ftpci_init() */
  64#define FTPCI100_BRIDGE_VENDORID                0x159b
  65#define FTPCI100_BRIDGE_DEVICEID                0x4321
  66
  67void pci_ftpci_init(void);
  68
  69struct pcibar {
  70        unsigned int size;
  71        unsigned int addr;
  72};
  73
  74struct pci_config {
  75        unsigned int bus;
  76        unsigned int dev;                               /* device */
  77        unsigned int func;
  78        unsigned int pin;
  79        unsigned short v_id;                            /* vendor id */
  80        unsigned short d_id;                            /* device id */
  81        struct pcibar bar[PCI_MAX_BAR_PER_FUNC + 1];
  82};
  83
  84#endif
  85