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