|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | /* | 
|  | * Chip register definitions for PCILynx chipset.  Based on pcilynx.h | 
|  | * from the Linux 1394 drivers, but modified a bit so the names here | 
|  | * match the specification exactly (even though they have weird names, | 
|  | * like xxx_OVER_FLOW, or arbitrary abbreviations like SNTRJ for "sent | 
|  | * reject" etc.) | 
|  | */ | 
|  |  | 
|  | #define PCILYNX_MAX_REGISTER     0xfff | 
|  | #define PCILYNX_MAX_MEMORY       0xffff | 
|  |  | 
|  | #define PCI_LATENCY_CACHELINE             0x0c | 
|  |  | 
|  | #define MISC_CONTROL                      0x40 | 
|  | #define MISC_CONTROL_SWRESET              (1<<0) | 
|  |  | 
|  | #define SERIAL_EEPROM_CONTROL             0x44 | 
|  |  | 
|  | #define PCI_INT_STATUS                    0x48 | 
|  | #define PCI_INT_ENABLE                    0x4c | 
|  | /* status and enable have identical bit numbers */ | 
|  | #define PCI_INT_INT_PEND                  (1<<31) | 
|  | #define PCI_INT_FRC_INT                   (1<<30) | 
|  | #define PCI_INT_SLV_ADR_PERR              (1<<28) | 
|  | #define PCI_INT_SLV_DAT_PERR              (1<<27) | 
|  | #define PCI_INT_MST_DAT_PERR              (1<<26) | 
|  | #define PCI_INT_MST_DEV_TO                (1<<25) | 
|  | #define PCI_INT_INT_SLV_TO                (1<<23) | 
|  | #define PCI_INT_AUX_TO                    (1<<18) | 
|  | #define PCI_INT_AUX_INT                   (1<<17) | 
|  | #define PCI_INT_P1394_INT                 (1<<16) | 
|  | #define PCI_INT_DMA4_PCL                  (1<<9) | 
|  | #define PCI_INT_DMA4_HLT                  (1<<8) | 
|  | #define PCI_INT_DMA3_PCL                  (1<<7) | 
|  | #define PCI_INT_DMA3_HLT                  (1<<6) | 
|  | #define PCI_INT_DMA2_PCL                  (1<<5) | 
|  | #define PCI_INT_DMA2_HLT                  (1<<4) | 
|  | #define PCI_INT_DMA1_PCL                  (1<<3) | 
|  | #define PCI_INT_DMA1_HLT                  (1<<2) | 
|  | #define PCI_INT_DMA0_PCL                  (1<<1) | 
|  | #define PCI_INT_DMA0_HLT                  (1<<0) | 
|  | /* all DMA interrupts combined: */ | 
|  | #define PCI_INT_DMA_ALL                   0x3ff | 
|  |  | 
|  | #define PCI_INT_DMA_HLT(chan)             (1 << (chan * 2)) | 
|  | #define PCI_INT_DMA_PCL(chan)             (1 << (chan * 2 + 1)) | 
|  |  | 
|  | #define LBUS_ADDR                         0xb4 | 
|  | #define LBUS_ADDR_SEL_RAM                 (0x0<<16) | 
|  | #define LBUS_ADDR_SEL_ROM                 (0x1<<16) | 
|  | #define LBUS_ADDR_SEL_AUX                 (0x2<<16) | 
|  | #define LBUS_ADDR_SEL_ZV                  (0x3<<16) | 
|  |  | 
|  | #define GPIO_CTRL_A                       0xb8 | 
|  | #define GPIO_CTRL_B                       0xbc | 
|  | #define GPIO_DATA_BASE                    0xc0 | 
|  |  | 
|  | #define DMA_BREG(base, chan)              (base + chan * 0x20) | 
|  | #define DMA_SREG(base, chan)              (base + chan * 0x10) | 
|  |  | 
|  | #define PCL_NEXT_INVALID (1<<0) | 
|  |  | 
|  | /* transfer commands */ | 
|  | #define PCL_CMD_RCV            (0x1<<24) | 
|  | #define PCL_CMD_RCV_AND_UPDATE (0xa<<24) | 
|  | #define PCL_CMD_XMT            (0x2<<24) | 
|  | #define PCL_CMD_UNFXMT         (0xc<<24) | 
|  | #define PCL_CMD_PCI_TO_LBUS    (0x8<<24) | 
|  | #define PCL_CMD_LBUS_TO_PCI    (0x9<<24) | 
|  |  | 
|  | /* aux commands */ | 
|  | #define PCL_CMD_NOP            (0x0<<24) | 
|  | #define PCL_CMD_LOAD           (0x3<<24) | 
|  | #define PCL_CMD_STOREQ         (0x4<<24) | 
|  | #define PCL_CMD_STORED         (0xb<<24) | 
|  | #define PCL_CMD_STORE0         (0x5<<24) | 
|  | #define PCL_CMD_STORE1         (0x6<<24) | 
|  | #define PCL_CMD_COMPARE        (0xe<<24) | 
|  | #define PCL_CMD_SWAP_COMPARE   (0xf<<24) | 
|  | #define PCL_CMD_ADD            (0xd<<24) | 
|  | #define PCL_CMD_BRANCH         (0x7<<24) | 
|  |  | 
|  | /* BRANCH condition codes */ | 
|  | #define PCL_COND_DMARDY_SET    (0x1<<20) | 
|  | #define PCL_COND_DMARDY_CLEAR  (0x2<<20) | 
|  |  | 
|  | #define PCL_GEN_INTR           (1<<19) | 
|  | #define PCL_LAST_BUFF          (1<<18) | 
|  | #define PCL_LAST_CMD           (PCL_LAST_BUFF) | 
|  | #define PCL_WAITSTAT           (1<<17) | 
|  | #define PCL_BIGENDIAN          (1<<16) | 
|  | #define PCL_ISOMODE            (1<<12) | 
|  |  | 
|  | #define DMA0_PREV_PCL                     0x100 | 
|  | #define DMA1_PREV_PCL                     0x120 | 
|  | #define DMA2_PREV_PCL                     0x140 | 
|  | #define DMA3_PREV_PCL                     0x160 | 
|  | #define DMA4_PREV_PCL                     0x180 | 
|  | #define DMA_PREV_PCL(chan)                (DMA_BREG(DMA0_PREV_PCL, chan)) | 
|  |  | 
|  | #define DMA0_CURRENT_PCL                  0x104 | 
|  | #define DMA1_CURRENT_PCL                  0x124 | 
|  | #define DMA2_CURRENT_PCL                  0x144 | 
|  | #define DMA3_CURRENT_PCL                  0x164 | 
|  | #define DMA4_CURRENT_PCL                  0x184 | 
|  | #define DMA_CURRENT_PCL(chan)             (DMA_BREG(DMA0_CURRENT_PCL, chan)) | 
|  |  | 
|  | #define DMA0_CHAN_STAT                    0x10c | 
|  | #define DMA1_CHAN_STAT                    0x12c | 
|  | #define DMA2_CHAN_STAT                    0x14c | 
|  | #define DMA3_CHAN_STAT                    0x16c | 
|  | #define DMA4_CHAN_STAT                    0x18c | 
|  | #define DMA_CHAN_STAT(chan)               (DMA_BREG(DMA0_CHAN_STAT, chan)) | 
|  | /* CHAN_STATUS registers share bits */ | 
|  | #define DMA_CHAN_STAT_SELFID              (1<<31) | 
|  | #define DMA_CHAN_STAT_ISOPKT              (1<<30) | 
|  | #define DMA_CHAN_STAT_PCIERR              (1<<29) | 
|  | #define DMA_CHAN_STAT_PKTERR              (1<<28) | 
|  | #define DMA_CHAN_STAT_PKTCMPL             (1<<27) | 
|  | #define DMA_CHAN_STAT_SPECIALACK          (1<<14) | 
|  |  | 
|  | #define DMA0_CHAN_CTRL                    0x110 | 
|  | #define DMA1_CHAN_CTRL                    0x130 | 
|  | #define DMA2_CHAN_CTRL                    0x150 | 
|  | #define DMA3_CHAN_CTRL                    0x170 | 
|  | #define DMA4_CHAN_CTRL                    0x190 | 
|  | #define DMA_CHAN_CTRL(chan)               (DMA_BREG(DMA0_CHAN_CTRL, chan)) | 
|  | /* CHAN_CTRL registers share bits */ | 
|  | #define DMA_CHAN_CTRL_ENABLE              (1<<31) | 
|  | #define DMA_CHAN_CTRL_BUSY                (1<<30) | 
|  | #define DMA_CHAN_CTRL_LINK                (1<<29) | 
|  |  | 
|  | #define DMA0_READY                        0x114 | 
|  | #define DMA1_READY                        0x134 | 
|  | #define DMA2_READY                        0x154 | 
|  | #define DMA3_READY                        0x174 | 
|  | #define DMA4_READY                        0x194 | 
|  | #define DMA_READY(chan)                   (DMA_BREG(DMA0_READY, chan)) | 
|  |  | 
|  | #define DMA_GLOBAL_REGISTER               0x908 | 
|  |  | 
|  | #define FIFO_SIZES                        0xa00 | 
|  |  | 
|  | #define FIFO_CONTROL                      0xa10 | 
|  | #define FIFO_CONTROL_GRF_FLUSH            (1<<4) | 
|  | #define FIFO_CONTROL_ITF_FLUSH            (1<<3) | 
|  | #define FIFO_CONTROL_ATF_FLUSH            (1<<2) | 
|  |  | 
|  | #define FIFO_XMIT_THRESHOLD               0xa14 | 
|  |  | 
|  | #define DMA0_WORD0_CMP_VALUE              0xb00 | 
|  | #define DMA1_WORD0_CMP_VALUE              0xb10 | 
|  | #define DMA2_WORD0_CMP_VALUE              0xb20 | 
|  | #define DMA3_WORD0_CMP_VALUE              0xb30 | 
|  | #define DMA4_WORD0_CMP_VALUE              0xb40 | 
|  | #define DMA_WORD0_CMP_VALUE(chan)	(DMA_SREG(DMA0_WORD0_CMP_VALUE, chan)) | 
|  |  | 
|  | #define DMA0_WORD0_CMP_ENABLE             0xb04 | 
|  | #define DMA1_WORD0_CMP_ENABLE             0xb14 | 
|  | #define DMA2_WORD0_CMP_ENABLE             0xb24 | 
|  | #define DMA3_WORD0_CMP_ENABLE             0xb34 | 
|  | #define DMA4_WORD0_CMP_ENABLE             0xb44 | 
|  | #define DMA_WORD0_CMP_ENABLE(chan)	(DMA_SREG(DMA0_WORD0_CMP_ENABLE, chan)) | 
|  |  | 
|  | #define DMA0_WORD1_CMP_VALUE              0xb08 | 
|  | #define DMA1_WORD1_CMP_VALUE              0xb18 | 
|  | #define DMA2_WORD1_CMP_VALUE              0xb28 | 
|  | #define DMA3_WORD1_CMP_VALUE              0xb38 | 
|  | #define DMA4_WORD1_CMP_VALUE              0xb48 | 
|  | #define DMA_WORD1_CMP_VALUE(chan)	(DMA_SREG(DMA0_WORD1_CMP_VALUE, chan)) | 
|  |  | 
|  | #define DMA0_WORD1_CMP_ENABLE             0xb0c | 
|  | #define DMA1_WORD1_CMP_ENABLE             0xb1c | 
|  | #define DMA2_WORD1_CMP_ENABLE             0xb2c | 
|  | #define DMA3_WORD1_CMP_ENABLE             0xb3c | 
|  | #define DMA4_WORD1_CMP_ENABLE             0xb4c | 
|  | #define DMA_WORD1_CMP_ENABLE(chan)	(DMA_SREG(DMA0_WORD1_CMP_ENABLE, chan)) | 
|  | /* word 1 compare enable flags */ | 
|  | #define DMA_WORD1_CMP_MATCH_OTHERBUS      (1<<15) | 
|  | #define DMA_WORD1_CMP_MATCH_BROADCAST     (1<<14) | 
|  | #define DMA_WORD1_CMP_MATCH_BUS_BCAST     (1<<13) | 
|  | #define DMA_WORD1_CMP_MATCH_LOCAL_NODE    (1<<12) | 
|  | #define DMA_WORD1_CMP_MATCH_EXACT         (1<<11) | 
|  | #define DMA_WORD1_CMP_ENABLE_SELF_ID      (1<<10) | 
|  | #define DMA_WORD1_CMP_ENABLE_MASTER       (1<<8) | 
|  |  | 
|  | #define LINK_ID                           0xf00 | 
|  | #define LINK_ID_BUS(id)                   (id<<22) | 
|  | #define LINK_ID_NODE(id)                  (id<<16) | 
|  |  | 
|  | #define LINK_CONTROL                      0xf04 | 
|  | #define LINK_CONTROL_BUSY                 (1<<29) | 
|  | #define LINK_CONTROL_TX_ISO_EN            (1<<26) | 
|  | #define LINK_CONTROL_RX_ISO_EN            (1<<25) | 
|  | #define LINK_CONTROL_TX_ASYNC_EN          (1<<24) | 
|  | #define LINK_CONTROL_RX_ASYNC_EN          (1<<23) | 
|  | #define LINK_CONTROL_RESET_TX             (1<<21) | 
|  | #define LINK_CONTROL_RESET_RX             (1<<20) | 
|  | #define LINK_CONTROL_CYCMASTER            (1<<11) | 
|  | #define LINK_CONTROL_CYCSOURCE            (1<<10) | 
|  | #define LINK_CONTROL_CYCTIMEREN           (1<<9) | 
|  | #define LINK_CONTROL_RCV_CMP_VALID        (1<<7) | 
|  | #define LINK_CONTROL_SNOOP_ENABLE         (1<<6) | 
|  |  | 
|  | #define CYCLE_TIMER                       0xf08 | 
|  |  | 
|  | #define LINK_PHY                          0xf0c | 
|  | #define LINK_PHY_READ                     (1<<31) | 
|  | #define LINK_PHY_WRITE                    (1<<30) | 
|  | #define LINK_PHY_ADDR(addr)               (addr<<24) | 
|  | #define LINK_PHY_WDATA(data)              (data<<16) | 
|  | #define LINK_PHY_RADDR(addr)              (addr<<8) | 
|  |  | 
|  | #define LINK_INT_STATUS                   0xf14 | 
|  | #define LINK_INT_ENABLE                   0xf18 | 
|  | /* status and enable have identical bit numbers */ | 
|  | #define LINK_INT_LINK_INT                 (1<<31) | 
|  | #define LINK_INT_PHY_TIME_OUT             (1<<30) | 
|  | #define LINK_INT_PHY_REG_RCVD             (1<<29) | 
|  | #define LINK_INT_PHY_BUSRESET             (1<<28) | 
|  | #define LINK_INT_TX_RDY                   (1<<26) | 
|  | #define LINK_INT_RX_DATA_RDY              (1<<25) | 
|  | #define LINK_INT_IT_STUCK                 (1<<20) | 
|  | #define LINK_INT_AT_STUCK                 (1<<19) | 
|  | #define LINK_INT_SNTRJ                    (1<<17) | 
|  | #define LINK_INT_HDR_ERR                  (1<<16) | 
|  | #define LINK_INT_TC_ERR                   (1<<15) | 
|  | #define LINK_INT_CYC_SEC                  (1<<11) | 
|  | #define LINK_INT_CYC_STRT                 (1<<10) | 
|  | #define LINK_INT_CYC_DONE                 (1<<9) | 
|  | #define LINK_INT_CYC_PEND                 (1<<8) | 
|  | #define LINK_INT_CYC_LOST                 (1<<7) | 
|  | #define LINK_INT_CYC_ARB_FAILED           (1<<6) | 
|  | #define LINK_INT_GRF_OVER_FLOW            (1<<5) | 
|  | #define LINK_INT_ITF_UNDER_FLOW           (1<<4) | 
|  | #define LINK_INT_ATF_UNDER_FLOW           (1<<3) | 
|  | #define LINK_INT_IARB_FAILED              (1<<0) |