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/*
* BCM43XX SiliconBackplane PCIE core hardware definitions.
*
* Copyright 2006, Broadcom Corporation
* All Rights Reserved.
*
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
*
* $Id: sbpcie.h,v 1.1.1.2 2006/02/27 03:43:16 honor Exp $
*/
#ifndef _SBPCIE_H
#define _SBPCIE_H
/* cpp contortions to concatenate w/arg prescan */
#ifndef PAD
#define _PADLINE(line) pad ## line
#define _XSTR(line) _PADLINE(line)
#define PAD _XSTR(__LINE__)
#endif
/* PCIE Enumeration space offsets */
#define PCIE_CORE_CONFIG_OFFSET 0x0
#define PCIE_FUNC0_CONFIG_OFFSET 0x400
#define PCIE_FUNC1_CONFIG_OFFSET 0x500
#define PCIE_FUNC2_CONFIG_OFFSET 0x600
#define PCIE_FUNC3_CONFIG_OFFSET 0x700
#define PCIE_SPROM_SHADOW_OFFSET 0x800
#define PCIE_SBCONFIG_OFFSET 0xE00
/* PCIE Bar0 Address Mapping. Each function maps 16KB config space */
#define PCIE_DEV_BAR0_SIZE 0x4000
#define PCIE_BAR0_WINMAPCORE_OFFSET 0x0
#define PCIE_BAR0_EXTSPROM_OFFSET 0x1000
#define PCIE_BAR0_PCIECORE_OFFSET 0x2000
#define PCIE_BAR0_CCCOREREG_OFFSET 0x3000
/* SB side: PCIE core and host control registers */
typedef struct sbpcieregs {
uint32 PAD[3];
uint32 biststatus; /* bist Status: 0x00C */
uint32 PAD[6];
uint32 sbtopcimailbox; /* sb to pcie mailbox: 0x028 */
uint32 PAD[54];
uint32 sbtopcie0; /* sb to pcie translation 0: 0x100 */
uint32 sbtopcie1; /* sb to pcie translation 1: 0x104 */
uint32 sbtopcie2; /* sb to pcie translation 2: 0x108 */
uint32 PAD[4];
/* pcie core supports in direct access to config space */
uint32 configaddr; /* pcie config space access: Address field: 0x120 */
uint32 configdata; /* pcie config space access: Data field: 0x124 */
/* mdio access to serdes */
uint32 mdiocontrol; /* controls the mdio access: 0x128 */
uint32 mdiodata; /* Data to the mdio access: 0x12c */
/* pcie protocol phy/dllp/tlp register access mechanism */
uint32 pcieaddr; /* address of the internal registeru: 0x130 */
uint32 pciedata; /* Data to/from the internal regsiter: 0x134 */
uint32 PAD[434];
uint16 sprom[36]; /* SPROM shadow Area */
} sbpcieregs_t;
/* SB to PCIE translation masks */
#define SBTOPCIE0_MASK 0xfc000000
#define SBTOPCIE1_MASK 0xfc000000
#define SBTOPCIE2_MASK 0xc0000000
/* Access type bits (0:1) */
#define SBTOPCIE_MEM 0
#define SBTOPCIE_IO 1
#define SBTOPCIE_CFG0 2
#define SBTOPCIE_CFG1 3
/* Prefetch enable bit 2 */
#define SBTOPCIE_PF 4
/* Write Burst enable for memory write bit 3 */
#define SBTOPCIE_WR_BURST 8
/* config access */
#define CONFIGADDR_FUNC_MASK 0x7000
#define CONFIGADDR_FUNC_SHF 12
#define CONFIGADDR_REG_MASK 0x0FFF
#define CONFIGADDR_REG_SHF 0
/* PCIE protocol regs Indirect Address */
#define PCIEADDR_PROT_MASK 0x300
#define PCIEADDR_PROT_SHF 8
#define PCIEADDR_PL_TLP 0
#define PCIEADDR_PL_DLLP 1
#define PCIEADDR_PL_PLP 2
/* PCIE protocol PHY diagnostic registers */
#define PCIE_PLP_MODEREG 0x200 /* Mode */
#define PCIE_PLP_STATUSREG 0x204 /* Status */
#define PCIE_PLP_LTSSMCTRLREG 0x208 /* LTSSM control */
#define PCIE_PLP_LTLINKNUMREG 0x20c /* Link Training Link number */
#define PCIE_PLP_LTLANENUMREG 0x210 /* Link Training Lane number */
#define PCIE_PLP_LTNFTSREG 0x214 /* Link Training N_FTS */
#define PCIE_PLP_ATTNREG 0x218 /* Attention */
#define PCIE_PLP_ATTNMASKREG 0x21C /* Attention Mask */
#define PCIE_PLP_RXERRCTR 0x220 /* Rx Error */
#define PCIE_PLP_RXFRMERRCTR 0x224 /* Rx Framing Error */
#define PCIE_PLP_RXERRTHRESHREG 0x228 /* Rx Error threshold */
#define PCIE_PLP_TESTCTRLREG 0x22C /* Test Control reg */
#define PCIE_PLP_SERDESCTRLOVRDREG 0x230 /* SERDES Control Override */
#define PCIE_PLP_TIMINGOVRDREG 0x234 /* Timing param override */
#define PCIE_PLP_RXTXSMDIAGREG 0x238 /* RXTX State Machine Diag */
#define PCIE_PLP_LTSSMDIAGREG 0x23C /* LTSSM State Machine Diag */
/* PCIE protocol DLLP diagnostic registers */
#define PCIE_DLLP_LCREG 0x100 /* Link Control */
#define PCIE_DLLP_LSREG 0x104 /* Link Status */
#define PCIE_DLLP_LAREG 0x108 /* Link Attention */
#define PCIE_DLLP_LAMASKREG 0x10C /* Link Attention Mask */
#define PCIE_DLLP_NEXTTXSEQNUMREG 0x110 /* Next Tx Seq Num */
#define PCIE_DLLP_ACKEDTXSEQNUMREG 0x114 /* Acked Tx Seq Num */
#define PCIE_DLLP_PURGEDTXSEQNUMREG 0x118 /* Purged Tx Seq Num */
#define PCIE_DLLP_RXSEQNUMREG 0x11C /* Rx Sequence Number */
#define PCIE_DLLP_LRREG 0x120 /* Link Replay */
#define PCIE_DLLP_LACKTOREG 0x124 /* Link Ack Timeout */
#define PCIE_DLLP_PMTHRESHREG 0x128 /* Power Management Threshold */
#define PCIE_DLLP_RTRYWPREG 0x12C /* Retry buffer write ptr */
#define PCIE_DLLP_RTRYRPREG 0x130 /* Retry buffer Read ptr */
#define PCIE_DLLP_RTRYPPREG 0x134 /* Retry buffer Purged ptr */
#define PCIE_DLLP_RTRRWREG 0x138 /* Retry buffer Read/Write */
#define PCIE_DLLP_ECTHRESHREG 0x13C /* Error Count Threshold */
#define PCIE_DLLP_TLPERRCTRREG 0x140 /* TLP Error Counter */
#define PCIE_DLLP_ERRCTRREG 0x144 /* Error Counter */
#define PCIE_DLLP_NAKRXCTRREG 0x148 /* NAK Received Counter */
#define PCIE_DLLP_TESTREG 0x14C /* Test */
#define PCIE_DLLP_PKTBIST 0x150 /* Packet BIST */
/* PCIE protocol TLP diagnostic registers */
#define PCIE_TLP_CONFIGREG 0x000 /* Configuration */
#define PCIE_TLP_WORKAROUNDSREG 0x004 /* TLP Workarounds */
#define PCIE_TLP_WRDMAUPPER 0x010 /* Write DMA Upper Address */
#define PCIE_TLP_WRDMALOWER 0x014 /* Write DMA Lower Address */
#define PCIE_TLP_WRDMAREQ_LBEREG 0x018 /* Write DMA Len/ByteEn Req */
#define PCIE_TLP_RDDMAUPPER 0x01C /* Read DMA Upper Address */
#define PCIE_TLP_RDDMALOWER 0x020 /* Read DMA Lower Address */
#define PCIE_TLP_RDDMALENREG 0x024 /* Read DMA Len Req */
#define PCIE_TLP_MSIDMAUPPER 0x028 /* MSI DMA Upper Address */
#define PCIE_TLP_MSIDMALOWER 0x02C /* MSI DMA Lower Address */
#define PCIE_TLP_MSIDMALENREG 0x030 /* MSI DMA Len Req */
#define PCIE_TLP_SLVREQLENREG 0x034 /* Slave Request Len */
#define PCIE_TLP_FCINPUTSREQ 0x038 /* Flow Control Inputs */
#define PCIE_TLP_TXSMGRSREQ 0x03C /* Tx StateMachine and Gated Req */
#define PCIE_TLP_ADRACKCNTARBLEN 0x040 /* Address Ack XferCnt and ARB Len */
#define PCIE_TLP_DMACPLHDR0 0x044 /* DMA Completion Hdr 0 */
#define PCIE_TLP_DMACPLHDR1 0x048 /* DMA Completion Hdr 1 */
#define PCIE_TLP_DMACPLHDR2 0x04C /* DMA Completion Hdr 2 */
#define PCIE_TLP_DMACPLMISC0 0x050 /* DMA Completion Misc0 */
#define PCIE_TLP_DMACPLMISC1 0x054 /* DMA Completion Misc1 */
#define PCIE_TLP_DMACPLMISC2 0x058 /* DMA Completion Misc2 */
#define PCIE_TLP_SPTCTRLLEN 0x05C /* Split Controller Req len */
#define PCIE_TLP_SPTCTRLMSIC0 0x060 /* Split Controller Misc 0 */
#define PCIE_TLP_SPTCTRLMSIC1 0x064 /* Split Controller Misc 1 */
#define PCIE_TLP_BUSDEVFUNC 0x068 /* Bus/Device/Func */
#define PCIE_TLP_RESETCTR 0x06C /* Reset Counter */
#define PCIE_TLP_RTRYBUF 0x070 /* Retry Buffer value */
#define PCIE_TLP_TGTDEBUG1 0x074 /* Target Debug Reg1 */
#define PCIE_TLP_TGTDEBUG2 0x078 /* Target Debug Reg2 */
#define PCIE_TLP_TGTDEBUG3 0x07C /* Target Debug Reg3 */
#define PCIE_TLP_TGTDEBUG4 0x080 /* Target Debug Reg4 */
/* MDIO control */
#define MDIOCTL_DIVISOR_MASK 0x7f /* clock to be used on MDIO */
#define MDIOCTL_DIVISOR_VAL 0x2
#define MDIOCTL_PREAM_EN 0x80 /* Enable preamble sequnce */
#define MDIOCTL_ACCESS_DONE 0x100 /* Tranaction complete */
/* MDIO Data */
#define MDIODATA_MASK 0x0000ffff /* data 2 bytes */
#define MDIODATA_TA 0x00020000 /* Turnaround */
#define MDIODATA_REGADDR_SHF 18 /* Regaddr shift */
#define MDIODATA_REGADDR_MASK 0x003c0000 /* Regaddr Mask */
#define MDIODATA_DEVADDR_SHF 22 /* Physmedia devaddr shift */
#define MDIODATA_DEVADDR_MASK 0x0fc00000 /* Physmedia devaddr Mask */
#define MDIODATA_WRITE 0x10000000 /* write Transaction */
#define MDIODATA_READ 0x20000000 /* Read Transaction */
#define MDIODATA_START 0x40000000 /* start of Transaction */
/* MDIO devices (SERDES modules) */
#define MDIODATA_DEV_PLL 0x1d /* SERDES PLL Dev */
#define MDIODATA_DEV_TX 0x1e /* SERDES TX Dev */
#define MDIODATA_DEV_RX 0x1f /* SERDES RX Dev */
/* SERDES registers */
#define SERDES_RX_TIMER1 2 /* Rx Timer1 */
#define SERDES_RX_CDR 6 /* CDR */
#define SERDES_RX_CDRBW 7 /* CDR BW */
#endif /* _SBPCIE_H */
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