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 */
  15 struct 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
  67 void pci_ftpci_init(void);
  68
  69 struct pcibar {
  70         unsigned int size;
  71         unsigned int addr;
  72 };
  73
  74 struct 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