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1/* typhoon.h: chip info for the 3Com 3CR990 family of controllers */2/*3 Written 2002-2003 by David Dillow <dave@thedillows.org>4 5 This software may be used and distributed according to the terms of6 the GNU General Public License (GPL), incorporated herein by reference.7 Drivers based on or derived from this code fall under the GPL and must8 retain the authorship, copyright and license notice. This file is not9 a complete program and may only be used when the entire operating10 system is licensed under the GPL.11 12 This software is available on a public web site. It may enable13 cryptographic capabilities of the 3Com hardware, and may be14 exported from the United States under License Exception "TSU"15 pursuant to 15 C.F.R. Section 740.13(e).16 17 This work was funded by the National Library of Medicine under18 the Department of Energy project number 0274DD06D1 and NLM project19 number Y1-LM-2015-01.20*/21 22/* All Typhoon ring positions are specificed in bytes, and point to the23 * first "clean" entry in the ring -- ie the next entry we use for whatever24 * purpose.25 */26 27/* The Typhoon basic ring28 * ringBase: where this ring lives (our virtual address)29 * lastWrite: the next entry we'll use30 */31struct basic_ring {32 u8 *ringBase;33 u32 lastWrite;34};35 36/* The Typhoon transmit ring -- same as a basic ring, plus:37 * lastRead: where we're at in regard to cleaning up the ring38 * writeRegister: register to use for writing (different for Hi & Lo rings)39 */40struct transmit_ring {41 u8 *ringBase;42 u32 lastWrite;43 u32 lastRead;44 int writeRegister;45};46 47/* The host<->Typhoon ring index structure48 * This indicates the current positions in the rings49 *50 * All values must be in little endian format for the 3XP51 *52 * rxHiCleared: entry we've cleared to in the Hi receive ring53 * rxLoCleared: entry we've cleared to in the Lo receive ring54 * rxBuffReady: next entry we'll put a free buffer in55 * respCleared: entry we've cleared to in the response ring56 *57 * txLoCleared: entry the NIC has cleared to in the Lo transmit ring58 * txHiCleared: entry the NIC has cleared to in the Hi transmit ring59 * rxLoReady: entry the NIC has filled to in the Lo receive ring60 * rxBuffCleared: entry the NIC has cleared in the free buffer ring61 * cmdCleared: entry the NIC has cleared in the command ring62 * respReady: entry the NIC has filled to in the response ring63 * rxHiReady: entry the NIC has filled to in the Hi receive ring64 */65struct typhoon_indexes {66 /* The first four are written by the host, and read by the NIC */67 volatile __le32 rxHiCleared;68 volatile __le32 rxLoCleared;69 volatile __le32 rxBuffReady;70 volatile __le32 respCleared;71 72 /* The remaining are written by the NIC, and read by the host */73 volatile __le32 txLoCleared;74 volatile __le32 txHiCleared;75 volatile __le32 rxLoReady;76 volatile __le32 rxBuffCleared;77 volatile __le32 cmdCleared;78 volatile __le32 respReady;79 volatile __le32 rxHiReady;80} __packed;81 82/* The host<->Typhoon interface83 * Our means of communicating where things are84 *85 * All values must be in little endian format for the 3XP86 *87 * ringIndex: 64 bit bus address of the index structure88 * txLoAddr: 64 bit bus address of the Lo transmit ring89 * txLoSize: size (in bytes) of the Lo transmit ring90 * txHi*: as above for the Hi priority transmit ring91 * rxLo*: as above for the Lo priority receive ring92 * rxBuff*: as above for the free buffer ring93 * cmd*: as above for the command ring94 * resp*: as above for the response ring95 * zeroAddr: 64 bit bus address of a zero word (for DMA)96 * rxHi*: as above for the Hi Priority receive ring97 *98 * While there is room for 64 bit addresses, current versions of the 3XP99 * only do 32 bit addresses, so the *Hi for each of the above will always100 * be zero.101 */102struct typhoon_interface {103 __le32 ringIndex;104 __le32 ringIndexHi;105 __le32 txLoAddr;106 __le32 txLoAddrHi;107 __le32 txLoSize;108 __le32 txHiAddr;109 __le32 txHiAddrHi;110 __le32 txHiSize;111 __le32 rxLoAddr;112 __le32 rxLoAddrHi;113 __le32 rxLoSize;114 __le32 rxBuffAddr;115 __le32 rxBuffAddrHi;116 __le32 rxBuffSize;117 __le32 cmdAddr;118 __le32 cmdAddrHi;119 __le32 cmdSize;120 __le32 respAddr;121 __le32 respAddrHi;122 __le32 respSize;123 __le32 zeroAddr;124 __le32 zeroAddrHi;125 __le32 rxHiAddr;126 __le32 rxHiAddrHi;127 __le32 rxHiSize;128} __packed;129 130/* The Typhoon transmit/fragment descriptor131 *132 * A packet is described by a packet descriptor, followed by option descriptors,133 * if any, then one or more fragment descriptors.134 *135 * Packet descriptor:136 * flags: Descriptor type137 * len:i zero, or length of this packet138 * addr*: 8 bytes of opaque data to the firmware -- for skb pointer139 * processFlags: Determine offload tasks to perform on this packet.140 *141 * Fragment descriptor:142 * flags: Descriptor type143 * len:i length of this fragment144 * addr: low bytes of DMA address for this part of the packet145 * addrHi: hi bytes of DMA address for this part of the packet146 * processFlags: must be zero147 *148 * TYPHOON_DESC_VALID is not mentioned in their docs, but their Linux149 * driver uses it.150 */151struct tx_desc {152 u8 flags;153#define TYPHOON_TYPE_MASK 0x07154#define TYPHOON_FRAG_DESC 0x00155#define TYPHOON_TX_DESC 0x01156#define TYPHOON_CMD_DESC 0x02157#define TYPHOON_OPT_DESC 0x03158#define TYPHOON_RX_DESC 0x04159#define TYPHOON_RESP_DESC 0x05160#define TYPHOON_OPT_TYPE_MASK 0xf0161#define TYPHOON_OPT_IPSEC 0x00162#define TYPHOON_OPT_TCP_SEG 0x10163#define TYPHOON_CMD_RESPOND 0x40164#define TYPHOON_RESP_ERROR 0x40165#define TYPHOON_RX_ERROR 0x40166#define TYPHOON_DESC_VALID 0x80167 u8 numDesc;168 __le16 len;169 union {170 struct {171 __le32 addr;172 __le32 addrHi;173 } frag;174 u64 tx_addr; /* opaque for hardware, for TX_DESC */175 };176 __le32 processFlags;177#define TYPHOON_TX_PF_NO_CRC cpu_to_le32(0x00000001)178#define TYPHOON_TX_PF_IP_CHKSUM cpu_to_le32(0x00000002)179#define TYPHOON_TX_PF_TCP_CHKSUM cpu_to_le32(0x00000004)180#define TYPHOON_TX_PF_TCP_SEGMENT cpu_to_le32(0x00000008)181#define TYPHOON_TX_PF_INSERT_VLAN cpu_to_le32(0x00000010)182#define TYPHOON_TX_PF_IPSEC cpu_to_le32(0x00000020)183#define TYPHOON_TX_PF_VLAN_PRIORITY cpu_to_le32(0x00000040)184#define TYPHOON_TX_PF_UDP_CHKSUM cpu_to_le32(0x00000080)185#define TYPHOON_TX_PF_PAD_FRAME cpu_to_le32(0x00000100)186#define TYPHOON_TX_PF_RESERVED cpu_to_le32(0x00000e00)187#define TYPHOON_TX_PF_VLAN_MASK cpu_to_le32(0x0ffff000)188#define TYPHOON_TX_PF_INTERNAL cpu_to_le32(0xf0000000)189#define TYPHOON_TX_PF_VLAN_TAG_SHIFT 12190} __packed;191 192/* The TCP Segmentation offload option descriptor193 *194 * flags: descriptor type195 * numDesc: must be 1196 * mss_flags: bits 0-11 (little endian) are MSS, 12 is first TSO descriptor197 * 13 is list TSO descriptor, set both if only one TSO198 * respAddrLo: low bytes of address of the bytesTx field of this descriptor199 * bytesTx: total number of bytes in this TSO request200 * status: 0 on completion201 */202struct tcpopt_desc {203 u8 flags;204 u8 numDesc;205 __le16 mss_flags;206#define TYPHOON_TSO_FIRST cpu_to_le16(0x1000)207#define TYPHOON_TSO_LAST cpu_to_le16(0x2000)208 __le32 respAddrLo;209 __le32 bytesTx;210 __le32 status;211} __packed;212 213/* The IPSEC Offload descriptor214 *215 * flags: descriptor type216 * numDesc: must be 1217 * ipsecFlags: bit 0: 0 -- generate IV, 1 -- use supplied IV218 * sa1, sa2: Security Association IDs for this packet219 * reserved: set to 0220 */221struct ipsec_desc {222 u8 flags;223 u8 numDesc;224 __le16 ipsecFlags;225#define TYPHOON_IPSEC_GEN_IV cpu_to_le16(0x0000)226#define TYPHOON_IPSEC_USE_IV cpu_to_le16(0x0001)227 __le32 sa1;228 __le32 sa2;229 __le32 reserved;230} __packed;231 232/* The Typhoon receive descriptor (Updated by NIC)233 *234 * flags: Descriptor type, error indication235 * numDesc: Always zero236 * frameLen: the size of the packet received237 * addr: low 32 bytes of the virtual addr passed in for this buffer238 * addrHi: high 32 bytes of the virtual addr passed in for this buffer239 * rxStatus: Error if set in flags, otherwise result of offload processing240 * filterResults: results of filtering on packet, not used241 * ipsecResults: Results of IPSEC processing242 * vlanTag: the 801.2q TCI from the packet243 */244struct rx_desc {245 u8 flags;246 u8 numDesc;247 __le16 frameLen;248 u32 addr; /* opaque, comes from virtAddr */249 u32 addrHi; /* opaque, comes from virtAddrHi */250 __le32 rxStatus;251#define TYPHOON_RX_ERR_INTERNAL cpu_to_le32(0x00000000)252#define TYPHOON_RX_ERR_FIFO_UNDERRUN cpu_to_le32(0x00000001)253#define TYPHOON_RX_ERR_BAD_SSD cpu_to_le32(0x00000002)254#define TYPHOON_RX_ERR_RUNT cpu_to_le32(0x00000003)255#define TYPHOON_RX_ERR_CRC cpu_to_le32(0x00000004)256#define TYPHOON_RX_ERR_OVERSIZE cpu_to_le32(0x00000005)257#define TYPHOON_RX_ERR_ALIGN cpu_to_le32(0x00000006)258#define TYPHOON_RX_ERR_DRIBBLE cpu_to_le32(0x00000007)259#define TYPHOON_RX_PROTO_MASK cpu_to_le32(0x00000003)260#define TYPHOON_RX_PROTO_UNKNOWN cpu_to_le32(0x00000000)261#define TYPHOON_RX_PROTO_IP cpu_to_le32(0x00000001)262#define TYPHOON_RX_PROTO_IPX cpu_to_le32(0x00000002)263#define TYPHOON_RX_VLAN cpu_to_le32(0x00000004)264#define TYPHOON_RX_IP_FRAG cpu_to_le32(0x00000008)265#define TYPHOON_RX_IPSEC cpu_to_le32(0x00000010)266#define TYPHOON_RX_IP_CHK_FAIL cpu_to_le32(0x00000020)267#define TYPHOON_RX_TCP_CHK_FAIL cpu_to_le32(0x00000040)268#define TYPHOON_RX_UDP_CHK_FAIL cpu_to_le32(0x00000080)269#define TYPHOON_RX_IP_CHK_GOOD cpu_to_le32(0x00000100)270#define TYPHOON_RX_TCP_CHK_GOOD cpu_to_le32(0x00000200)271#define TYPHOON_RX_UDP_CHK_GOOD cpu_to_le32(0x00000400)272 __le16 filterResults;273#define TYPHOON_RX_FILTER_MASK cpu_to_le16(0x7fff)274#define TYPHOON_RX_FILTERED cpu_to_le16(0x8000)275 __le16 ipsecResults;276#define TYPHOON_RX_OUTER_AH_GOOD cpu_to_le16(0x0001)277#define TYPHOON_RX_OUTER_ESP_GOOD cpu_to_le16(0x0002)278#define TYPHOON_RX_INNER_AH_GOOD cpu_to_le16(0x0004)279#define TYPHOON_RX_INNER_ESP_GOOD cpu_to_le16(0x0008)280#define TYPHOON_RX_OUTER_AH_FAIL cpu_to_le16(0x0010)281#define TYPHOON_RX_OUTER_ESP_FAIL cpu_to_le16(0x0020)282#define TYPHOON_RX_INNER_AH_FAIL cpu_to_le16(0x0040)283#define TYPHOON_RX_INNER_ESP_FAIL cpu_to_le16(0x0080)284#define TYPHOON_RX_UNKNOWN_SA cpu_to_le16(0x0100)285#define TYPHOON_RX_ESP_FORMAT_ERR cpu_to_le16(0x0200)286 __be32 vlanTag;287} __packed;288 289/* The Typhoon free buffer descriptor, used to give a buffer to the NIC290 *291 * physAddr: low 32 bits of the bus address of the buffer292 * physAddrHi: high 32 bits of the bus address of the buffer, always zero293 * virtAddr: low 32 bits of the skb address294 * virtAddrHi: high 32 bits of the skb address, always zero295 *296 * the virt* address is basically two 32 bit cookies, just passed back297 * from the NIC298 */299struct rx_free {300 __le32 physAddr;301 __le32 physAddrHi;302 u32 virtAddr;303 u32 virtAddrHi;304} __packed;305 306/* The Typhoon command descriptor, used for commands and responses307 *308 * flags: descriptor type309 * numDesc: number of descriptors following in this command/response,310 * ie, zero for a one descriptor command311 * cmd: the command312 * seqNo: sequence number (unused)313 * parm1: use varies by command314 * parm2: use varies by command315 * parm3: use varies by command316 */317struct cmd_desc {318 u8 flags;319 u8 numDesc;320 __le16 cmd;321#define TYPHOON_CMD_TX_ENABLE cpu_to_le16(0x0001)322#define TYPHOON_CMD_TX_DISABLE cpu_to_le16(0x0002)323#define TYPHOON_CMD_RX_ENABLE cpu_to_le16(0x0003)324#define TYPHOON_CMD_RX_DISABLE cpu_to_le16(0x0004)325#define TYPHOON_CMD_SET_RX_FILTER cpu_to_le16(0x0005)326#define TYPHOON_CMD_READ_STATS cpu_to_le16(0x0007)327#define TYPHOON_CMD_XCVR_SELECT cpu_to_le16(0x0013)328#define TYPHOON_CMD_SET_MAX_PKT_SIZE cpu_to_le16(0x001a)329#define TYPHOON_CMD_READ_MEDIA_STATUS cpu_to_le16(0x001b)330#define TYPHOON_CMD_GOTO_SLEEP cpu_to_le16(0x0023)331#define TYPHOON_CMD_SET_MULTICAST_HASH cpu_to_le16(0x0025)332#define TYPHOON_CMD_SET_MAC_ADDRESS cpu_to_le16(0x0026)333#define TYPHOON_CMD_READ_MAC_ADDRESS cpu_to_le16(0x0027)334#define TYPHOON_CMD_VLAN_TYPE_WRITE cpu_to_le16(0x002b)335#define TYPHOON_CMD_CREATE_SA cpu_to_le16(0x0034)336#define TYPHOON_CMD_DELETE_SA cpu_to_le16(0x0035)337#define TYPHOON_CMD_READ_VERSIONS cpu_to_le16(0x0043)338#define TYPHOON_CMD_IRQ_COALESCE_CTRL cpu_to_le16(0x0045)339#define TYPHOON_CMD_ENABLE_WAKE_EVENTS cpu_to_le16(0x0049)340#define TYPHOON_CMD_SET_OFFLOAD_TASKS cpu_to_le16(0x004f)341#define TYPHOON_CMD_HELLO_RESP cpu_to_le16(0x0057)342#define TYPHOON_CMD_HALT cpu_to_le16(0x005d)343#define TYPHOON_CMD_READ_IPSEC_INFO cpu_to_le16(0x005e)344#define TYPHOON_CMD_GET_IPSEC_ENABLE cpu_to_le16(0x0067)345#define TYPHOON_CMD_GET_CMD_LVL cpu_to_le16(0x0069)346 u16 seqNo;347 __le16 parm1;348 __le32 parm2;349 __le32 parm3;350} __packed;351 352/* The Typhoon response descriptor, see command descriptor for details353 */354struct resp_desc {355 u8 flags;356 u8 numDesc;357 __le16 cmd;358 __le16 seqNo;359 __le16 parm1;360 __le32 parm2;361 __le32 parm3;362} __packed;363 364#define INIT_COMMAND_NO_RESPONSE(x, command) \365 do { struct cmd_desc *_ptr = (x); \366 memset(_ptr, 0, sizeof(struct cmd_desc)); \367 _ptr->flags = TYPHOON_CMD_DESC | TYPHOON_DESC_VALID; \368 _ptr->cmd = command; \369 } while (0)370 371/* We set seqNo to 1 if we're expecting a response from this command */372#define INIT_COMMAND_WITH_RESPONSE(x, command) \373 do { struct cmd_desc *_ptr = (x); \374 memset(_ptr, 0, sizeof(struct cmd_desc)); \375 _ptr->flags = TYPHOON_CMD_RESPOND | TYPHOON_CMD_DESC; \376 _ptr->flags |= TYPHOON_DESC_VALID; \377 _ptr->cmd = command; \378 _ptr->seqNo = 1; \379 } while (0)380 381/* TYPHOON_CMD_SET_RX_FILTER filter bits (cmd.parm1)382 */383#define TYPHOON_RX_FILTER_DIRECTED cpu_to_le16(0x0001)384#define TYPHOON_RX_FILTER_ALL_MCAST cpu_to_le16(0x0002)385#define TYPHOON_RX_FILTER_BROADCAST cpu_to_le16(0x0004)386#define TYPHOON_RX_FILTER_PROMISCOUS cpu_to_le16(0x0008)387#define TYPHOON_RX_FILTER_MCAST_HASH cpu_to_le16(0x0010)388 389/* TYPHOON_CMD_READ_STATS response format390 */391struct stats_resp {392 u8 flags;393 u8 numDesc;394 __le16 cmd;395 __le16 seqNo;396 __le16 unused;397 __le32 txPackets;398 __le64 txBytes;399 __le32 txDeferred;400 __le32 txLateCollisions;401 __le32 txCollisions;402 __le32 txCarrierLost;403 __le32 txMultipleCollisions;404 __le32 txExcessiveCollisions;405 __le32 txFifoUnderruns;406 __le32 txMulticastTxOverflows;407 __le32 txFiltered;408 __le32 rxPacketsGood;409 __le64 rxBytesGood;410 __le32 rxFifoOverruns;411 __le32 BadSSD;412 __le32 rxCrcErrors;413 __le32 rxOversized;414 __le32 rxBroadcast;415 __le32 rxMulticast;416 __le32 rxOverflow;417 __le32 rxFiltered;418 __le32 linkStatus;419#define TYPHOON_LINK_STAT_MASK cpu_to_le32(0x00000001)420#define TYPHOON_LINK_GOOD cpu_to_le32(0x00000001)421#define TYPHOON_LINK_BAD cpu_to_le32(0x00000000)422#define TYPHOON_LINK_SPEED_MASK cpu_to_le32(0x00000002)423#define TYPHOON_LINK_100MBPS cpu_to_le32(0x00000002)424#define TYPHOON_LINK_10MBPS cpu_to_le32(0x00000000)425#define TYPHOON_LINK_DUPLEX_MASK cpu_to_le32(0x00000004)426#define TYPHOON_LINK_FULL_DUPLEX cpu_to_le32(0x00000004)427#define TYPHOON_LINK_HALF_DUPLEX cpu_to_le32(0x00000000)428 __le32 unused2;429 __le32 unused3;430} __packed;431 432/* TYPHOON_CMD_XCVR_SELECT xcvr values (resp.parm1)433 */434#define TYPHOON_XCVR_10HALF cpu_to_le16(0x0000)435#define TYPHOON_XCVR_10FULL cpu_to_le16(0x0001)436#define TYPHOON_XCVR_100HALF cpu_to_le16(0x0002)437#define TYPHOON_XCVR_100FULL cpu_to_le16(0x0003)438#define TYPHOON_XCVR_AUTONEG cpu_to_le16(0x0004)439 440/* TYPHOON_CMD_READ_MEDIA_STATUS (resp.parm1)441 */442#define TYPHOON_MEDIA_STAT_CRC_STRIP_DISABLE cpu_to_le16(0x0004)443#define TYPHOON_MEDIA_STAT_COLLISION_DETECT cpu_to_le16(0x0010)444#define TYPHOON_MEDIA_STAT_CARRIER_SENSE cpu_to_le16(0x0020)445#define TYPHOON_MEDIA_STAT_POLARITY_REV cpu_to_le16(0x0400)446#define TYPHOON_MEDIA_STAT_NO_LINK cpu_to_le16(0x0800)447 448/* TYPHOON_CMD_SET_MULTICAST_HASH enable values (cmd.parm1)449 */450#define TYPHOON_MCAST_HASH_DISABLE cpu_to_le16(0x0000)451#define TYPHOON_MCAST_HASH_ENABLE cpu_to_le16(0x0001)452#define TYPHOON_MCAST_HASH_SET cpu_to_le16(0x0002)453 454/* TYPHOON_CMD_CREATE_SA descriptor and settings455 */456struct sa_descriptor {457 u8 flags;458 u8 numDesc;459 u16 cmd;460 u16 seqNo;461 u16 mode;462#define TYPHOON_SA_MODE_NULL cpu_to_le16(0x0000)463#define TYPHOON_SA_MODE_AH cpu_to_le16(0x0001)464#define TYPHOON_SA_MODE_ESP cpu_to_le16(0x0002)465 u8 hashFlags;466#define TYPHOON_SA_HASH_ENABLE 0x01467#define TYPHOON_SA_HASH_SHA1 0x02468#define TYPHOON_SA_HASH_MD5 0x04469 u8 direction;470#define TYPHOON_SA_DIR_RX 0x00471#define TYPHOON_SA_DIR_TX 0x01472 u8 encryptionFlags;473#define TYPHOON_SA_ENCRYPT_ENABLE 0x01474#define TYPHOON_SA_ENCRYPT_DES 0x02475#define TYPHOON_SA_ENCRYPT_3DES 0x00476#define TYPHOON_SA_ENCRYPT_3DES_2KEY 0x00477#define TYPHOON_SA_ENCRYPT_3DES_3KEY 0x04478#define TYPHOON_SA_ENCRYPT_CBC 0x08479#define TYPHOON_SA_ENCRYPT_ECB 0x00480 u8 specifyIndex;481#define TYPHOON_SA_SPECIFY_INDEX 0x01482#define TYPHOON_SA_GENERATE_INDEX 0x00483 u32 SPI;484 u32 destAddr;485 u32 destMask;486 u8 integKey[20];487 u8 confKey[24];488 u32 index;489 u32 unused;490 u32 unused2;491} __packed;492 493/* TYPHOON_CMD_SET_OFFLOAD_TASKS bits (cmd.parm2 (Tx) & cmd.parm3 (Rx))494 * This is all for IPv4.495 */496#define TYPHOON_OFFLOAD_TCP_CHKSUM cpu_to_le32(0x00000002)497#define TYPHOON_OFFLOAD_UDP_CHKSUM cpu_to_le32(0x00000004)498#define TYPHOON_OFFLOAD_IP_CHKSUM cpu_to_le32(0x00000008)499#define TYPHOON_OFFLOAD_IPSEC cpu_to_le32(0x00000010)500#define TYPHOON_OFFLOAD_BCAST_THROTTLE cpu_to_le32(0x00000020)501#define TYPHOON_OFFLOAD_DHCP_PREVENT cpu_to_le32(0x00000040)502#define TYPHOON_OFFLOAD_VLAN cpu_to_le32(0x00000080)503#define TYPHOON_OFFLOAD_FILTERING cpu_to_le32(0x00000100)504#define TYPHOON_OFFLOAD_TCP_SEGMENT cpu_to_le32(0x00000200)505 506/* TYPHOON_CMD_ENABLE_WAKE_EVENTS bits (cmd.parm1)507 */508#define TYPHOON_WAKE_MAGIC_PKT cpu_to_le16(0x01)509#define TYPHOON_WAKE_LINK_EVENT cpu_to_le16(0x02)510#define TYPHOON_WAKE_ICMP_ECHO cpu_to_le16(0x04)511#define TYPHOON_WAKE_ARP cpu_to_le16(0x08)512 513/* These are used to load the firmware image on the NIC514 */515struct typhoon_file_header {516 u8 tag[8];517 __le32 version;518 __le32 numSections;519 __le32 startAddr;520 __le32 hmacDigest[5];521} __packed;522 523struct typhoon_section_header {524 __le32 len;525 u16 checksum;526 u16 reserved;527 __le32 startAddr;528} __packed;529 530/* The Typhoon Register offsets531 */532#define TYPHOON_REG_SOFT_RESET 0x00533#define TYPHOON_REG_INTR_STATUS 0x04534#define TYPHOON_REG_INTR_ENABLE 0x08535#define TYPHOON_REG_INTR_MASK 0x0c536#define TYPHOON_REG_SELF_INTERRUPT 0x10537#define TYPHOON_REG_HOST2ARM7 0x14538#define TYPHOON_REG_HOST2ARM6 0x18539#define TYPHOON_REG_HOST2ARM5 0x1c540#define TYPHOON_REG_HOST2ARM4 0x20541#define TYPHOON_REG_HOST2ARM3 0x24542#define TYPHOON_REG_HOST2ARM2 0x28543#define TYPHOON_REG_HOST2ARM1 0x2c544#define TYPHOON_REG_HOST2ARM0 0x30545#define TYPHOON_REG_ARM2HOST3 0x34546#define TYPHOON_REG_ARM2HOST2 0x38547#define TYPHOON_REG_ARM2HOST1 0x3c548#define TYPHOON_REG_ARM2HOST0 0x40549 550#define TYPHOON_REG_BOOT_DATA_LO TYPHOON_REG_HOST2ARM5551#define TYPHOON_REG_BOOT_DATA_HI TYPHOON_REG_HOST2ARM4552#define TYPHOON_REG_BOOT_DEST_ADDR TYPHOON_REG_HOST2ARM3553#define TYPHOON_REG_BOOT_CHECKSUM TYPHOON_REG_HOST2ARM2554#define TYPHOON_REG_BOOT_LENGTH TYPHOON_REG_HOST2ARM1555 556#define TYPHOON_REG_DOWNLOAD_BOOT_ADDR TYPHOON_REG_HOST2ARM1557#define TYPHOON_REG_DOWNLOAD_HMAC_0 TYPHOON_REG_HOST2ARM2558#define TYPHOON_REG_DOWNLOAD_HMAC_1 TYPHOON_REG_HOST2ARM3559#define TYPHOON_REG_DOWNLOAD_HMAC_2 TYPHOON_REG_HOST2ARM4560#define TYPHOON_REG_DOWNLOAD_HMAC_3 TYPHOON_REG_HOST2ARM5561#define TYPHOON_REG_DOWNLOAD_HMAC_4 TYPHOON_REG_HOST2ARM6562 563#define TYPHOON_REG_BOOT_RECORD_ADDR_HI TYPHOON_REG_HOST2ARM2564#define TYPHOON_REG_BOOT_RECORD_ADDR_LO TYPHOON_REG_HOST2ARM1565 566#define TYPHOON_REG_TX_LO_READY TYPHOON_REG_HOST2ARM3567#define TYPHOON_REG_CMD_READY TYPHOON_REG_HOST2ARM2568#define TYPHOON_REG_TX_HI_READY TYPHOON_REG_HOST2ARM1569 570#define TYPHOON_REG_COMMAND TYPHOON_REG_HOST2ARM0571#define TYPHOON_REG_HEARTBEAT TYPHOON_REG_ARM2HOST3572#define TYPHOON_REG_STATUS TYPHOON_REG_ARM2HOST0573 574/* 3XP Reset values (TYPHOON_REG_SOFT_RESET)575 */576#define TYPHOON_RESET_ALL 0x7f577#define TYPHOON_RESET_NONE 0x00578 579/* 3XP irq bits (TYPHOON_REG_INTR{STATUS,ENABLE,MASK})580 *581 * Some of these came from OpenBSD, as the 3Com docs have it wrong582 * (INTR_SELF) or don't list it at all (INTR_*_ABORT)583 *584 * Enabling irqs on the Heartbeat reg (ArmToHost3) gets you an irq585 * about every 8ms, so don't do it.586 */587#define TYPHOON_INTR_HOST_INT 0x00000001588#define TYPHOON_INTR_ARM2HOST0 0x00000002589#define TYPHOON_INTR_ARM2HOST1 0x00000004590#define TYPHOON_INTR_ARM2HOST2 0x00000008591#define TYPHOON_INTR_ARM2HOST3 0x00000010592#define TYPHOON_INTR_DMA0 0x00000020593#define TYPHOON_INTR_DMA1 0x00000040594#define TYPHOON_INTR_DMA2 0x00000080595#define TYPHOON_INTR_DMA3 0x00000100596#define TYPHOON_INTR_MASTER_ABORT 0x00000200597#define TYPHOON_INTR_TARGET_ABORT 0x00000400598#define TYPHOON_INTR_SELF 0x00000800599#define TYPHOON_INTR_RESERVED 0xfffff000600 601#define TYPHOON_INTR_BOOTCMD TYPHOON_INTR_ARM2HOST0602 603#define TYPHOON_INTR_ENABLE_ALL 0xffffffef604#define TYPHOON_INTR_ALL 0xffffffff605#define TYPHOON_INTR_NONE 0x00000000606 607/* The commands for the 3XP chip (TYPHOON_REG_COMMAND)608 */609#define TYPHOON_BOOTCMD_BOOT 0x00610#define TYPHOON_BOOTCMD_WAKEUP 0xfa611#define TYPHOON_BOOTCMD_DNLD_COMPLETE 0xfb612#define TYPHOON_BOOTCMD_SEG_AVAILABLE 0xfc613#define TYPHOON_BOOTCMD_RUNTIME_IMAGE 0xfd614#define TYPHOON_BOOTCMD_REG_BOOT_RECORD 0xff615 616/* 3XP Status values (TYPHOON_REG_STATUS)617 */618#define TYPHOON_STATUS_WAITING_FOR_BOOT 0x07619#define TYPHOON_STATUS_SECOND_INIT 0x08620#define TYPHOON_STATUS_RUNNING 0x09621#define TYPHOON_STATUS_WAITING_FOR_HOST 0x0d622#define TYPHOON_STATUS_WAITING_FOR_SEGMENT 0x10623#define TYPHOON_STATUS_SLEEPING 0x11624#define TYPHOON_STATUS_HALTED 0x14625