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 */
14 #include <linux/bitops.h>
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
85