LXR uboot/include/faraday/ftpci100.h

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