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/*
* RapidIO register definitions
*
* Copyright 2005 MontaVista Software, Inc.
* Matt Porter <mporter@kernel.crashing.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#ifndef LINUX_RIO_REGS_H
#define LINUX_RIO_REGS_H
/*
* In RapidIO, each device has a 2MB configuration space that is
* accessed via maintenance transactions. Portions of configuration
* space are standardized and/or reserved.
*/
#define RIO_DEV_ID_CAR 0x00 /* [I] Device Identity CAR */
#define RIO_DEV_INFO_CAR 0x04 /* [I] Device Information CAR */
#define RIO_ASM_ID_CAR 0x08 /* [I] Assembly Identity CAR */
#define RIO_ASM_ID_MASK 0xffff0000 /* [I] Asm ID Mask */
#define RIO_ASM_VEN_ID_MASK 0x0000ffff /* [I] Asm Vend Mask */
#define RIO_ASM_INFO_CAR 0x0c /* [I] Assembly Information CAR */
#define RIO_ASM_REV_MASK 0xffff0000 /* [I] Asm Rev Mask */
#define RIO_EXT_FTR_PTR_MASK 0x0000ffff /* [I] EF_PTR Mask */
#define RIO_PEF_CAR 0x10 /* [I] Processing Element Features CAR */
#define RIO_PEF_BRIDGE 0x80000000 /* [I] Bridge */
#define RIO_PEF_MEMORY 0x40000000 /* [I] MMIO */
#define RIO_PEF_PROCESSOR 0x20000000 /* [I] Processor */
#define RIO_PEF_SWITCH 0x10000000 /* [I] Switch */
#define RIO_PEF_INB_MBOX 0x00f00000 /* [II] Mailboxes */
#define RIO_PEF_INB_MBOX0 0x00800000 /* [II] Mailbox 0 */
#define RIO_PEF_INB_MBOX1 0x00400000 /* [II] Mailbox 1 */
#define RIO_PEF_INB_MBOX2 0x00200000 /* [II] Mailbox 2 */
#define RIO_PEF_INB_MBOX3 0x00100000 /* [II] Mailbox 3 */
#define RIO_PEF_INB_DOORBELL 0x00080000 /* [II] Doorbells */
#define RIO_PEF_CTLS 0x00000010 /* [III] CTLS */
#define RIO_PEF_EXT_FEATURES 0x00000008 /* [I] EFT_PTR valid */
#define RIO_PEF_ADDR_66 0x00000004 /* [I] 66 bits */
#define RIO_PEF_ADDR_50 0x00000002 /* [I] 50 bits */
#define RIO_PEF_ADDR_34 0x00000001 /* [I] 34 bits */
#define RIO_SWP_INFO_CAR 0x14 /* [I] Switch Port Information CAR */
#define RIO_SWP_INFO_PORT_TOTAL_MASK 0x0000ff00 /* [I] Total number of ports */
#define RIO_SWP_INFO_PORT_NUM_MASK 0x000000ff /* [I] Maintenance transaction port number */
#define RIO_GET_TOTAL_PORTS(x) ((x & RIO_SWP_INFO_PORT_TOTAL_MASK) >> 8)
#define RIO_SRC_OPS_CAR 0x18 /* [I] Source Operations CAR */
#define RIO_SRC_OPS_READ 0x00008000 /* [I] Read op */
#define RIO_SRC_OPS_WRITE 0x00004000 /* [I] Write op */
#define RIO_SRC_OPS_STREAM_WRITE 0x00002000 /* [I] Str-write op */
#define RIO_SRC_OPS_WRITE_RESPONSE 0x00001000 /* [I] Write/resp op */
#define RIO_SRC_OPS_DATA_MSG 0x00000800 /* [II] Data msg op */
#define RIO_SRC_OPS_DOORBELL 0x00000400 /* [II] Doorbell op */
#define RIO_SRC_OPS_ATOMIC_TST_SWP 0x00000100 /* [I] Atomic TAS op */
#define RIO_SRC_OPS_ATOMIC_INC 0x00000080 /* [I] Atomic inc op */
#define RIO_SRC_OPS_ATOMIC_DEC 0x00000040 /* [I] Atomic dec op */
#define RIO_SRC_OPS_ATOMIC_SET 0x00000020 /* [I] Atomic set op */
#define RIO_SRC_OPS_ATOMIC_CLR 0x00000010 /* [I] Atomic clr op */
#define RIO_SRC_OPS_PORT_WRITE 0x00000004 /* [I] Port-write op */
#define RIO_DST_OPS_CAR 0x1c /* Destination Operations CAR */
#define RIO_DST_OPS_READ 0x00008000 /* [I] Read op */
#define RIO_DST_OPS_WRITE 0x00004000 /* [I] Write op */
#define RIO_DST_OPS_STREAM_WRITE 0x00002000 /* [I] Str-write op */
#define RIO_DST_OPS_WRITE_RESPONSE 0x00001000 /* [I] Write/resp op */
#define RIO_DST_OPS_DATA_MSG 0x00000800 /* [II] Data msg op */
#define RIO_DST_OPS_DOORBELL 0x00000400 /* [II] Doorbell op */
#define RIO_DST_OPS_ATOMIC_TST_SWP 0x00000100 /* [I] Atomic TAS op */
#define RIO_DST_OPS_ATOMIC_INC 0x00000080 /* [I] Atomic inc op */
#define RIO_DST_OPS_ATOMIC_DEC 0x00000040 /* [I] Atomic dec op */
#define RIO_DST_OPS_ATOMIC_SET 0x00000020 /* [I] Atomic set op */
#define RIO_DST_OPS_ATOMIC_CLR 0x00000010 /* [I] Atomic clr op */
#define RIO_DST_OPS_PORT_WRITE 0x00000004 /* [I] Port-write op */
/* 0x20-0x3c *//* Reserved */
#define RIO_MBOX_CSR 0x40 /* [II] Mailbox CSR */
#define RIO_MBOX0_AVAIL 0x80000000 /* [II] Mbox 0 avail */
#define RIO_MBOX0_FULL 0x40000000 /* [II] Mbox 0 full */
#define RIO_MBOX0_EMPTY 0x20000000 /* [II] Mbox 0 empty */
#define RIO_MBOX0_BUSY 0x10000000 /* [II] Mbox 0 busy */
#define RIO_MBOX0_FAIL 0x08000000 /* [II] Mbox 0 fail */
#define RIO_MBOX0_ERROR 0x04000000 /* [II] Mbox 0 error */
#define RIO_MBOX1_AVAIL 0x00800000 /* [II] Mbox 1 avail */
#define RIO_MBOX1_FULL 0x00200000 /* [II] Mbox 1 full */
#define RIO_MBOX1_EMPTY 0x00200000 /* [II] Mbox 1 empty */
#define RIO_MBOX1_BUSY 0x00100000 /* [II] Mbox 1 busy */
#define RIO_MBOX1_FAIL 0x00080000 /* [II] Mbox 1 fail */
#define RIO_MBOX1_ERROR 0x00040000 /* [II] Mbox 1 error */
#define RIO_MBOX2_AVAIL 0x00008000 /* [II] Mbox 2 avail */
#define RIO_MBOX2_FULL 0x00004000 /* [II] Mbox 2 full */
#define RIO_MBOX2_EMPTY 0x00002000 /* [II] Mbox 2 empty */
#define RIO_MBOX2_BUSY 0x00001000 /* [II] Mbox 2 busy */
#define RIO_MBOX2_FAIL 0x00000800 /* [II] Mbox 2 fail */
#define RIO_MBOX2_ERROR 0x00000400 /* [II] Mbox 2 error */
#define RIO_MBOX3_AVAIL 0x00000080 /* [II] Mbox 3 avail */
#define RIO_MBOX3_FULL 0x00000040 /* [II] Mbox 3 full */
#define RIO_MBOX3_EMPTY 0x00000020 /* [II] Mbox 3 empty */
#define RIO_MBOX3_BUSY 0x00000010 /* [II] Mbox 3 busy */
#define RIO_MBOX3_FAIL 0x00000008 /* [II] Mbox 3 fail */
#define RIO_MBOX3_ERROR 0x00000004 /* [II] Mbox 3 error */
#define RIO_WRITE_PORT_CSR 0x44 /* [I] Write Port CSR */
#define RIO_DOORBELL_CSR 0x44 /* [II] Doorbell CSR */
#define RIO_DOORBELL_AVAIL 0x80000000 /* [II] Doorbell avail */
#define RIO_DOORBELL_FULL 0x40000000 /* [II] Doorbell full */
#define RIO_DOORBELL_EMPTY 0x20000000 /* [II] Doorbell empty */
#define RIO_DOORBELL_BUSY 0x10000000 /* [II] Doorbell busy */
#define RIO_DOORBELL_FAILED 0x08000000 /* [II] Doorbell failed */
#define RIO_DOORBELL_ERROR 0x04000000 /* [II] Doorbell error */
#define RIO_WRITE_PORT_AVAILABLE 0x00000080 /* [I] Write Port Available */
#define RIO_WRITE_PORT_FULL 0x00000040 /* [I] Write Port Full */
#define RIO_WRITE_PORT_EMPTY 0x00000020 /* [I] Write Port Empty */
#define RIO_WRITE_PORT_BUSY 0x00000010 /* [I] Write Port Busy */
#define RIO_WRITE_PORT_FAILED 0x00000008 /* [I] Write Port Failed */
#define RIO_WRITE_PORT_ERROR 0x00000004 /* [I] Write Port Error */
/* 0x48 *//* Reserved */
#define RIO_PELL_CTRL_CSR 0x4c /* [I] PE Logical Layer Control CSR */
#define RIO_PELL_ADDR_66 0x00000004 /* [I] 66-bit addr */
#define RIO_PELL_ADDR_50 0x00000002 /* [I] 50-bit addr */
#define RIO_PELL_ADDR_34 0x00000001 /* [I] 34-bit addr */
/* 0x50-0x54 *//* Reserved */
#define RIO_LCSH_BA 0x58 /* [I] LCS High Base Address */
#define RIO_LCSL_BA 0x5c /* [I] LCS Base Address */
#define RIO_DID_CSR 0x60 /* [III] Base Device ID CSR */
/* 0x64 *//* Reserved */
#define RIO_HOST_DID_LOCK_CSR 0x68 /* [III] Host Base Device ID Lock CSR */
#define RIO_COMPONENT_TAG_CSR 0x6c /* [III] Component Tag CSR */
/* 0x70-0xf8 *//* Reserved */
/* 0x100-0xfff8 *//* [I] Extended Features Space */
/* 0x10000-0xfffff8 *//* [I] Implementation-defined Space */
/*
* Extended Features Space is a configuration space area where
* functionality is mapped into extended feature blocks via a
* singly linked list of extended feature pointers (EFT_PTR).
*
* Each extended feature block can be identified/located in
* Extended Features Space by walking the extended feature
* list starting with the Extended Feature Pointer located
* in the Assembly Information CAR.
*
* Extended Feature Blocks (EFBs) are identified with an assigned
* EFB ID. Extended feature block offsets in the definitions are
* relative to the offset of the EFB within the Extended Features
* Space.
*/
/* Helper macros to parse the Extended Feature Block header */
#define RIO_EFB_PTR_MASK 0xffff0000
#define RIO_EFB_ID_MASK 0x0000ffff
#define RIO_GET_BLOCK_PTR(x) ((x & RIO_EFB_PTR_MASK) >> 16)
#define RIO_GET_BLOCK_ID(x) (x & RIO_EFB_ID_MASK)
/* Extended Feature Block IDs */
#define RIO_EFB_PAR_EP_ID 0x0001 /* [IV] LP/LVDS EP Devices */
#define RIO_EFB_PAR_EP_REC_ID 0x0002 /* [IV] LP/LVDS EP Recovery Devices */
#define RIO_EFB_PAR_EP_FREE_ID 0x0003 /* [IV] LP/LVDS EP Free Devices */
#define RIO_EFB_SER_EP_ID 0x0004 /* [VI] LP/Serial EP Devices */
#define RIO_EFB_SER_EP_REC_ID 0x0005 /* [VI] LP/Serial EP Recovery Devices */
#define RIO_EFB_SER_EP_FREE_ID 0x0006 /* [VI] LP/Serial EP Free Devices */
/*
* Physical 8/16 LP-LVDS
* ID=0x0001, Generic End Point Devices
* ID=0x0002, Generic End Point Devices, software assisted recovery option
* ID=0x0003, Generic End Point Free Devices
*
* Physical LP-Serial
* ID=0x0004, Generic End Point Devices
* ID=0x0005, Generic End Point Devices, software assisted recovery option
* ID=0x0006, Generic End Point Free Devices
*/
#define RIO_PORT_MNT_HEADER 0x0000
#define RIO_PORT_REQ_CTL_CSR 0x0020
#define RIO_PORT_RSP_CTL_CSR 0x0024 /* 0x0001/0x0002 */
#define RIO_PORT_GEN_CTL_CSR 0x003c
#define RIO_PORT_GEN_HOST 0x80000000
#define RIO_PORT_GEN_MASTER 0x40000000
#define RIO_PORT_GEN_DISCOVERED 0x20000000
#define RIO_PORT_N_MNT_REQ_CSR(x) (0x0040 + x*0x20) /* 0x0002 */
#define RIO_PORT_N_MNT_RSP_CSR(x) (0x0044 + x*0x20) /* 0x0002 */
#define RIO_PORT_N_ACK_STS_CSR(x) (0x0048 + x*0x20) /* 0x0002 */
#define RIO_PORT_N_ERR_STS_CSR(x) (0x58 + x*0x20)
#define PORT_N_ERR_STS_PORT_OK 0x00000002
#define RIO_PORT_N_CTL_CSR(x) (0x5c + x*0x20)
#endif /* LINUX_RIO_REGS_H */
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