/* * (C) Copyright 2017 * Texas Instruments Incorporated, * Authors: Aurelien Jacquiot * * Part of this file is borrowed from Linux rio_regs.h. * (C) Copyright 2005 MontaVista Software, Inc. * Matt Porter * * SPDX-License-Identifier: GPL-2.0+ */ #ifndef _RIO_H_ #define _RIO_H_ #include /* * In RapidIO, each device has a 16MB configuration space that is * accessed via maintenance transactions. Portions of configuration * space are standardized and/or reserved. */ #define RIO_DEV_ID_CAR 0x00 #define RIO_DEV_INFO_CAR 0x04 #define RIO_ASM_ID_CAR 0x08 #define RIO_ASM_ID_MASK 0xffff0000 #define RIO_ASM_VEN_ID_MASK 0x0000ffff #define RIO_ASM_INFO_CAR 0x0c #define RIO_ASM_REV_MASK 0xffff0000 #define RIO_EXT_FTR_PTR_MASK 0x0000ffff #define RIO_PEF_CAR 0x10 #define RIO_PEF_BRIDGE 0x80000000 #define RIO_PEF_MEMORY 0x40000000 #define RIO_PEF_PROCESSOR 0x20000000 #define RIO_PEF_SWITCH 0x10000000 #define RIO_PEF_INB_MBOX 0x00f00000 #define RIO_PEF_INB_MBOX0 0x00800000 #define RIO_PEF_INB_MBOX1 0x00400000 #define RIO_PEF_INB_MBOX2 0x00200000 #define RIO_PEF_INB_MBOX3 0x00100000 #define RIO_PEF_INB_DOORBELL 0x00080000 #define RIO_PEF_EXT_RT 0x00000200 #define RIO_PEF_STD_RT 0x00000100 #define RIO_PEF_CTLS 0x00000010 #define RIO_PEF_FLOW_CONTROL 0x00000080 #define RIO_PEF_EXT_FEATURES 0x00000008 #define RIO_PEF_ADDR_66 0x00000004 #define RIO_PEF_ADDR_50 0x00000002 #define RIO_PEF_ADDR_34 0x00000001 #define RIO_SWP_INFO_CAR 0x14 #define RIO_SWP_INFO_PORT_TOTAL_MASK 0x0000ff00 #define RIO_SWP_INFO_PORT_NUM_MASK 0x000000ff #define RIO_SRC_OPS_CAR 0x18 #define RIO_SRC_OPS_READ 0x00008000 #define RIO_SRC_OPS_WRITE 0x00004000 #define RIO_SRC_OPS_STREAM_WRITE 0x00002000 #define RIO_SRC_OPS_WRITE_RESPONSE 0x00001000 #define RIO_SRC_OPS_DATA_MSG 0x00000800 #define RIO_SRC_OPS_DOORBELL 0x00000400 #define RIO_SRC_OPS_ATOMIC_TST_SWP 0x00000100 #define RIO_SRC_OPS_ATOMIC_INC 0x00000080 #define RIO_SRC_OPS_ATOMIC_DEC 0x00000040 #define RIO_SRC_OPS_ATOMIC_SET 0x00000020 #define RIO_SRC_OPS_ATOMIC_CLR 0x00000010 #define RIO_SRC_OPS_PORT_WRITE 0x00000004 #define RIO_DST_OPS_CAR 0x1c #define RIO_DST_OPS_READ 0x00008000 #define RIO_DST_OPS_WRITE 0x00004000 #define RIO_DST_OPS_STREAM_WRITE 0x00002000 #define RIO_DST_OPS_WRITE_RESPONSE 0x00001000 #define RIO_DST_OPS_DATA_MSG 0x00000800 #define RIO_DST_OPS_DOORBELL 0x00000400 #define RIO_DST_OPS_ATOMIC_TST_SWP 0x00000100 #define RIO_DST_OPS_ATOMIC_INC 0x00000080 #define RIO_DST_OPS_ATOMIC_DEC 0x00000040 #define RIO_DST_OPS_ATOMIC_SET 0x00000020 #define RIO_DST_OPS_ATOMIC_CLR 0x00000010 #define RIO_DST_OPS_PORT_WRITE 0x00000004 #define RIO_OPS_READ 0x00008000 #define RIO_OPS_WRITE 0x00004000 #define RIO_OPS_STREAM_WRITE 0x00002000 #define RIO_OPS_WRITE_RESPONSE 0x00001000 #define RIO_OPS_DATA_MSG 0x00000800 #define RIO_OPS_DOORBELL 0x00000400 #define RIO_OPS_ATOMIC_TST_SWP 0x00000100 #define RIO_OPS_ATOMIC_INC 0x00000080 #define RIO_OPS_ATOMIC_DEC 0x00000040 #define RIO_OPS_ATOMIC_SET 0x00000020 #define RIO_OPS_ATOMIC_CLR 0x00000010 #define RIO_OPS_PORT_WRITE 0x00000004 /* 0x20-0x30 *//* Reserved */ #define RIO_SWITCH_RT_LIMIT 0x34 #define RIO_RT_MAX_DESTID 0x0000ffff #define RIO_MBOX_CSR 0x40 #define RIO_MBOX0_AVAIL 0x80000000 #define RIO_MBOX0_FULL 0x40000000 #define RIO_MBOX0_EMPTY 0x20000000 #define RIO_MBOX0_BUSY 0x10000000 #define RIO_MBOX0_FAIL 0x08000000 #define RIO_MBOX0_ERROR 0x04000000 #define RIO_MBOX1_AVAIL 0x00800000 #define RIO_MBOX1_FULL 0x00200000 #define RIO_MBOX1_EMPTY 0x00200000 #define RIO_MBOX1_BUSY 0x00100000 #define RIO_MBOX1_FAIL 0x00080000 #define RIO_MBOX1_ERROR 0x00040000 #define RIO_MBOX2_AVAIL 0x00008000 #define RIO_MBOX2_FULL 0x00004000 #define RIO_MBOX2_EMPTY 0x00002000 #define RIO_MBOX2_BUSY 0x00001000 #define RIO_MBOX2_FAIL 0x00000800 #define RIO_MBOX2_ERROR 0x00000400 #define RIO_MBOX3_AVAIL 0x00000080 #define RIO_MBOX3_FULL 0x00000040 #define RIO_MBOX3_EMPTY 0x00000020 #define RIO_MBOX3_BUSY 0x00000010 #define RIO_MBOX3_FAIL 0x00000008 #define RIO_MBOX3_ERROR 0x00000004 #define RIO_WRITE_PORT_CSR 0x44 #define RIO_DOORBELL_CSR 0x44 #define RIO_DOORBELL_AVAIL 0x80000000 #define RIO_DOORBELL_FULL 0x40000000 #define RIO_DOORBELL_EMPTY 0x20000000 #define RIO_DOORBELL_BUSY 0x10000000 #define RIO_DOORBELL_FAILED 0x08000000 #define RIO_DOORBELL_ERROR 0x04000000 #define RIO_WRITE_PORT_AVAILABLE 0x00000080 #define RIO_WRITE_PORT_FULL 0x00000040 #define RIO_WRITE_PORT_EMPTY 0x00000020 #define RIO_WRITE_PORT_BUSY 0x00000010 #define RIO_WRITE_PORT_FAILED 0x00000008 #define RIO_WRITE_PORT_ERROR 0x00000004 /* 0x48 *//* Reserved */ #define RIO_PELL_CTRL_CSR 0x4c #define RIO_PELL_ADDR_66 0x00000004 #define RIO_PELL_ADDR_50 0x00000002 #define RIO_PELL_ADDR_34 0x00000001 /* 0x50-0x54 *//* Reserved */ #define RIO_LCSH_BA 0x58 #define RIO_LCSL_BA 0x5c #define RIO_DID_CSR 0x60 /* 0x64 *//* Reserved */ #define RIO_HOST_DID_LOCK_CSR 0x68 #define RIO_COMPONENT_TAG_CSR 0x6c #define RIO_STD_RTE_CONF_DESTID_SEL_CSR 0x70 #define RIO_STD_RTE_CONF_PORT_SEL_CSR 0x74 #define RIO_STD_RTE_DEFAULT_PORT 0x78 /* 0x7c-0xf8 *//* Reserved */ /* 0x100-0xfff8 *//* [I] Extended Features Space */ #define RIO_PORT_LINK_MAINT_REQ_CSR 0x140 #define RIO_PORT_LINK_MAINT_RESP_CSR 0x144 #define RIO_PORT_LOCAL_ACKID_CSR 0x148 #define RIO_PORT_ERR_STAT_CSR 0x158 #define RIO_PORT_CTRL_CSR 0x15c #define RIO_PORT_OFFSET 0x20 #define RIO_PORT_CTRL_TYPE_SERIAL 0x00000001 #define RIO_PORT_CTRL_ENUM_BOUNDARY 0x00020000 #define RIO_PORT_CTRL_MCAST_EVT_PART 0x00080000 #define RIO_PORT_CTRL_ERR_CHECK_DIS 0x00100000 #define RIO_PORT_CTRL_INPUT_PORT_EN 0x00200000 #define RIO_PORT_CTRL_OUTPUT_PORT_EN 0x00400000 #define RIO_PORT_CTRL_PORT_DIS 0x00800000 /* 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 #define RIO_EFB_PAR_EP_REC_ID 0x0002 #define RIO_EFB_PAR_EP_FREE_ID 0x0003 #define RIO_EFB_SER_EP_ID_V13P 0x0001 #define RIO_EFB_SER_EP_REC_ID_V13P 0x0002 #define RIO_EFB_SER_EP_FREE_ID_V13P 0x0003 #define RIO_EFB_SER_EP_ID 0x0004 #define RIO_EFB_SER_EP_REC_ID 0x0005 #define RIO_EFB_SER_EP_FREE_ID 0x0006 #define RIO_EFB_SER_EP_FREC_ID 0x0009 #define RIO_EFB_ERR_MGMNT 0x0007 /* * 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_LINKTO_CTL_CSR 0x0020 /* Serial */ #define RIO_PORT_RSPTO_CTL_CSR 0x0024 /* Serial */ #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) #define RIO_PORT_N_MNT_RSP_CSR(x) (0x0044 + x * 0x20) #define RIO_PORT_N_MNT_RSP_RVAL 0x80000000 #define RIO_PORT_N_MNT_RSP_ASTAT 0x000003e0 #define RIO_PORT_N_MNT_RSP_LSTAT 0x0000001f #define RIO_PORT_N_ACK_STS_CSR(x) (0x0048 + x * 0x20) #define RIO_PORT_N_ACK_CLEAR 0x80000000 #define RIO_PORT_N_ACK_INBOUND 0x1f000000 #define RIO_PORT_N_ACK_OUTSTAND 0x00001f00 #define RIO_PORT_N_ACK_OUTBOUND 0x0000001f #define RIO_PORT_N_ERR_STS_CSR(x) (0x0058 + x * 0x20) #define RIO_PORT_N_ERR_STS_PW_OUT_ES 0x00010000 /* Output Error-stopped */ #define RIO_PORT_N_ERR_STS_PW_INP_ES 0x00000100 /* Input Error-stopped */ #define RIO_PORT_N_ERR_STS_PW_PEND 0x00000010 /* Port-Write Pending */ #define RIO_PORT_N_ERR_STS_PORT_ERR 0x00000004 #define RIO_PORT_N_ERR_STS_PORT_OK 0x00000002 #define RIO_PORT_N_ERR_STS_PORT_UNINIT 0x00000001 #define RIO_PORT_N_ERR_STS_CLR_MASK 0x07120204 #define RIO_PORT_N_CTL_CSR(x) (0x005c + x * 0x20) #define RIO_PORT_N_CTL_PWIDTH 0xc0000000 #define RIO_PORT_N_CTL_PWIDTH_1 0x00000000 #define RIO_PORT_N_CTL_PWIDTH_4 0x40000000 #define RIO_PORT_N_CTL_P_TYP_SER 0x00000001 #define RIO_PORT_N_CTL_LOCKOUT 0x00000002 #define RIO_PORT_N_CTL_EN_RX_SER 0x00200000 #define RIO_PORT_N_CTL_EN_TX_SER 0x00400000 #define RIO_PORT_N_CTL_EN_RX_PAR 0x08000000 #define RIO_PORT_N_CTL_EN_TX_PAR 0x40000000 /* * Error Management Extensions (RapidIO 1.3+, Part 8) * * Extended Features Block ID=0x0007 */ /* General EM Registers (Common for all Ports) */ #define RIO_EM_EFB_HEADER 0x000 #define RIO_EM_LTL_ERR_DETECT 0x008 #define RIO_EM_LTL_ERR_EN 0x00c #define RIO_EM_LTL_HIADDR_CAP 0x010 #define RIO_EM_LTL_ADDR_CAP 0x014 #define RIO_EM_LTL_DEVID_CAP 0x018 #define RIO_EM_LTL_CTRL_CAP 0x01c #define RIO_EM_PW_TGT_DEVID 0x028 #define RIO_EM_PKT_TTL 0x02c /* Per-Port EM Registers */ #define RIO_EM_PN_ERR_DETECT(x) (0x040 + x * 0x40) #define REM_PED_IMPL_SPEC 0x80000000 #define REM_PED_LINK_TO 0x00000001 #define RIO_EM_PN_ERRRATE_EN(x) (0x044 + x * 0x40) #define RIO_EM_PN_ATTRIB_CAP(x) (0x048 + x * 0x40) #define RIO_EM_PN_PKT_CAP_0(x) (0x04c + x * 0x40) #define RIO_EM_PN_PKT_CAP_1(x) (0x050 + x * 0x40) #define RIO_EM_PN_PKT_CAP_2(x) (0x054 + x * 0x40) #define RIO_EM_PN_PKT_CAP_3(x) (0x058 + x * 0x40) #define RIO_EM_PN_ERRRATE(x) (0x068 + x * 0x40) #define RIO_EM_PN_ERRRATE_TR(x) (0x06c + x * 0x40) /** * rio_config_read - Generate a RIO read maintenance transaction * @portid: Output port ID of transaction * @destid: Destination ID of transaction * @hopcount: Number of hops to target device * @offset: Offset into configuration space * @len: Length (in bytes) of the maintenance transaction * @val: Location to be read into * * Returns %0 on success or %-1 on failure. */ int rio_config_read(struct udevice *dev, int portid, u16 destid, u8 hopcount, u32 offset, int len, u32 *val); /** * rio_config_write - Generate a RIO write maintenance transaction * @portid: Output port ID of transaction * @destid: Destination ID of transaction * @hopcount: Number of hops to target device * @offset: Offset into configuration space * @len: Length (in bytes) of the maintenance transaction * @val: Value to be written * * Returns %0 on success or %-1 on failure. */ int rio_config_write(struct udevice *dev, int portid, u16 destid, u8 hopcount, u32 offset, int len, u32 val); /** * rio_local_config_read - RIO local config space read * @offset: Offset into configuration space * @len: Length (in bytes) of the maintenance transaction * @data: Value to be read into * * Returns %0 on success or %-1 on failure. */ int rio_local_config_read(struct udevice *dev, u32 offset, int len, u32 *data); /** * rio_local_config_write - RIO local config space write * @offset: Offset into configuration space * @len: Length (in bytes) of the maintenance transaction * @data: Value to be written * * Returns %0 on success or %-1 on failure. */ int rio_local_config_write(struct udevice *dev, u32 offset, int len, u32 data); /** * rio_doorbell_rx - Blocking wait for receiving doorbell info * @info: 16-bit value to wait for (implementation specific) * * Returns %0 on success or %-1 on failure. */ int rio_doorbell_rx(struct udevice *dev, u16 info); /** * rio_remove - Remove a RapidIO device * * Returns %0 on success or %-1 on failure. */ int rio_remove(struct udevice *dev); struct rio_ops { int (*config_read)(struct udevice *dev, int portid, u16 destid, u8 hopcount, u32 offset, int len, u32 *val); int (*config_write)(struct udevice *dev, int portid, u16 destid, u8 hopcount, u32 offset, int len, u32 val); int (*local_config_read)(struct udevice *dev, u32 offset, int len, u32 *data); int (*local_config_write)(struct udevice *dev, u32 offset, int len, u32 data); int (*doorbell_rx)(struct udevice *dev, u16 info); }; #endif /* _RIO_H_ */