/* SPDX-License-Identifier: GPL-2.0+ */ /* * arch/arm/include/asm/hardware/pci_v3.h * * Internal header file PCI V3 chip * * Copyright (C) ARM Limited * Copyright (C) 2000-2001 Deep Blue Solutions Ltd. */ #ifndef ASM_ARM_HARDWARE_PCI_V3_H #define ASM_ARM_HARDWARE_PCI_V3_H /* ------------------------------------------------------------------------------- * V3 Local Bus to PCI Bridge definitions * ------------------------------------------------------------------------------- * Registers (these are taken from page 129 of the EPC User's Manual Rev 1.04 * All V3 register names are prefaced by V3_ to avoid clashing with any other * PCI definitions. Their names match the user's manual. * * I'm assuming that I20 is disabled. * */ #define V3_PCI_VENDOR 0x00000000 #define V3_PCI_DEVICE 0x00000002 #define V3_PCI_CMD 0x00000004 #define V3_PCI_STAT 0x00000006 #define V3_PCI_CC_REV 0x00000008 #define V3_PCI_HDR_CFG 0x0000000C #define V3_PCI_IO_BASE 0x00000010 #define V3_PCI_BASE0 0x00000014 #define V3_PCI_BASE1 0x00000018 #define V3_PCI_SUB_VENDOR 0x0000002C #define V3_PCI_SUB_ID 0x0000002E #define V3_PCI_ROM 0x00000030 #define V3_PCI_BPARAM 0x0000003C #define V3_PCI_MAP0 0x00000040 #define V3_PCI_MAP1 0x00000044 #define V3_PCI_INT_STAT 0x00000048 #define V3_PCI_INT_CFG 0x0000004C #define V3_LB_BASE0 0x00000054 #define V3_LB_BASE1 0x00000058 #define V3_LB_MAP0 0x0000005E #define V3_LB_MAP1 0x00000062 #define V3_LB_BASE2 0x00000064 #define V3_LB_MAP2 0x00000066 #define V3_LB_SIZE 0x00000068 #define V3_LB_IO_BASE 0x0000006E #define V3_FIFO_CFG 0x00000070 #define V3_FIFO_PRIORITY 0x00000072 #define V3_FIFO_STAT 0x00000074 #define V3_LB_ISTAT 0x00000076 #define V3_LB_IMASK 0x00000077 #define V3_SYSTEM 0x00000078 #define V3_LB_CFG 0x0000007A #define V3_PCI_CFG 0x0000007C #define V3_DMA_PCI_ADR0 0x00000080 #define V3_DMA_PCI_ADR1 0x00000090 #define V3_DMA_LOCAL_ADR0 0x00000084 #define V3_DMA_LOCAL_ADR1 0x00000094 #define V3_DMA_LENGTH0 0x00000088 #define V3_DMA_LENGTH1 0x00000098 #define V3_DMA_CSR0 0x0000008B #define V3_DMA_CSR1 0x0000009B #define V3_DMA_CTLB_ADR0 0x0000008C #define V3_DMA_CTLB_ADR1 0x0000009C #define V3_DMA_DELAY 0x000000E0 #define V3_MAIL_DATA 0x000000C0 #define V3_PCI_MAIL_IEWR 0x000000D0 #define V3_PCI_MAIL_IERD 0x000000D2 #define V3_LB_MAIL_IEWR 0x000000D4 #define V3_LB_MAIL_IERD 0x000000D6 #define V3_MAIL_WR_STAT 0x000000D8 #define V3_MAIL_RD_STAT 0x000000DA #define V3_QBA_MAP 0x000000DC /* PCI COMMAND REGISTER bits */ #define V3_COMMAND_M_FBB_EN (1 << 9) #define V3_COMMAND_M_SERR_EN (1 << 8) #define V3_COMMAND_M_PAR_EN (1 << 6) #define V3_COMMAND_M_MASTER_EN (1 << 2) #define V3_COMMAND_M_MEM_EN (1 << 1) #define V3_COMMAND_M_IO_EN (1 << 0) /* SYSTEM REGISTER bits */ #define V3_SYSTEM_M_RST_OUT (1 << 15) #define V3_SYSTEM_M_LOCK (1 << 14) /* PCI_CFG bits */ #define V3_PCI_CFG_M_I2O_EN (1 << 15) #define V3_PCI_CFG_M_IO_REG_DIS (1 << 14) #define V3_PCI_CFG_M_IO_DIS (1 << 13) #define V3_PCI_CFG_M_EN3V (1 << 12) #define V3_PCI_CFG_M_RETRY_EN (1 << 10) #define V3_PCI_CFG_M_AD_LOW1 (1 << 9) #define V3_PCI_CFG_M_AD_LOW0 (1 << 8) /* PCI_BASE register bits (PCI -> Local Bus) */ #define V3_PCI_BASE_M_ADR_BASE 0xFFF00000 #define V3_PCI_BASE_M_ADR_BASEL 0x000FFF00 #define V3_PCI_BASE_M_PREFETCH (1 << 3) #define V3_PCI_BASE_M_TYPE (3 << 1) #define V3_PCI_BASE_M_IO (1 << 0) /* PCI MAP register bits (PCI -> Local bus) */ #define V3_PCI_MAP_M_MAP_ADR 0xFFF00000 #define V3_PCI_MAP_M_RD_POST_INH (1 << 15) #define V3_PCI_MAP_M_ROM_SIZE (3 << 10) #define V3_PCI_MAP_M_SWAP (3 << 8) #define V3_PCI_MAP_M_ADR_SIZE 0x000000F0 #define V3_PCI_MAP_M_REG_EN (1 << 1) #define V3_PCI_MAP_M_ENABLE (1 << 0) #define V3_PCI_MAP_M_ADR_SIZE_1MB (0 << 4) #define V3_PCI_MAP_M_ADR_SIZE_2MB (1 << 4) #define V3_PCI_MAP_M_ADR_SIZE_4MB (2 << 4) #define V3_PCI_MAP_M_ADR_SIZE_8MB (3 << 4) #define V3_PCI_MAP_M_ADR_SIZE_16MB (4 << 4) #define V3_PCI_MAP_M_ADR_SIZE_32MB (5 << 4) #define V3_PCI_MAP_M_ADR_SIZE_64MB (6 << 4) #define V3_PCI_MAP_M_ADR_SIZE_128MB (7 << 4) #define V3_PCI_MAP_M_ADR_SIZE_256MB (8 << 4) #define V3_PCI_MAP_M_ADR_SIZE_512MB (9 << 4) #define V3_PCI_MAP_M_ADR_SIZE_1GB (10 << 4) #define V3_PCI_MAP_M_ADR_SIZE_2GB (11 << 4) /* * LB_BASE0,1 register bits (Local bus -> PCI) */ #define V3_LB_BASE_ADR_BASE 0xfff00000 #define V3_LB_BASE_SWAP (3 << 8) #define V3_LB_BASE_ADR_SIZE (15 << 4) #define V3_LB_BASE_PREFETCH (1 << 3) #define V3_LB_BASE_ENABLE (1 << 0) #define V3_LB_BASE_ADR_SIZE_1MB (0 << 4) #define V3_LB_BASE_ADR_SIZE_2MB (1 << 4) #define V3_LB_BASE_ADR_SIZE_4MB (2 << 4) #define V3_LB_BASE_ADR_SIZE_8MB (3 << 4) #define V3_LB_BASE_ADR_SIZE_16MB (4 << 4) #define V3_LB_BASE_ADR_SIZE_32MB (5 << 4) #define V3_LB_BASE_ADR_SIZE_64MB (6 << 4) #define V3_LB_BASE_ADR_SIZE_128MB (7 << 4) #define V3_LB_BASE_ADR_SIZE_256MB (8 << 4) #define V3_LB_BASE_ADR_SIZE_512MB (9 << 4) #define V3_LB_BASE_ADR_SIZE_1GB (10 << 4) #define V3_LB_BASE_ADR_SIZE_2GB (11 << 4) #define v3_addr_to_lb_base(a) ((a) & V3_LB_BASE_ADR_BASE) /* * LB_MAP0,1 register bits (Local bus -> PCI) */ #define V3_LB_MAP_MAP_ADR 0xfff0 #define V3_LB_MAP_TYPE (7 << 1) #define V3_LB_MAP_AD_LOW_EN (1 << 0) #define V3_LB_MAP_TYPE_IACK (0 << 1) #define V3_LB_MAP_TYPE_IO (1 << 1) #define V3_LB_MAP_TYPE_MEM (3 << 1) #define V3_LB_MAP_TYPE_CONFIG (5 << 1) #define V3_LB_MAP_TYPE_MEM_MULTIPLE (6 << 1) /* PCI MAP register bits (PCI -> Local bus) */ #define v3_addr_to_lb_map(a) (((a) >> 16) & V3_LB_MAP_MAP_ADR) /* * LB_BASE2 register bits (Local bus -> PCI IO) */ #define V3_LB_BASE2_ADR_BASE 0xff00 #define V3_LB_BASE2_SWAP (3 << 6) #define V3_LB_BASE2_ENABLE (1 << 0) #define v3_addr_to_lb_base2(a) (((a) >> 16) & V3_LB_BASE2_ADR_BASE) /* * LB_MAP2 register bits (Local bus -> PCI IO) */ #define V3_LB_MAP2_MAP_ADR 0xff00 #define v3_addr_to_lb_map2(a) (((a) >> 16) & V3_LB_MAP2_MAP_ADR) #endif