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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* 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>
*/
#ifndef __FTPCI100_H
#define __FTPCI100_H
/* AHB Control Registers */
#include <linux/bitops.h>
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
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