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OSCL-LXR

 
 

    


0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * Chip register definitions for PCILynx chipset.  Based on pcilynx.h
0004  * from the Linux 1394 drivers, but modified a bit so the names here
0005  * match the specification exactly (even though they have weird names,
0006  * like xxx_OVER_FLOW, or arbitrary abbreviations like SNTRJ for "sent
0007  * reject" etc.)
0008  */
0009 
0010 #define PCILYNX_MAX_REGISTER     0xfff
0011 #define PCILYNX_MAX_MEMORY       0xffff
0012 
0013 #define PCI_LATENCY_CACHELINE             0x0c
0014 
0015 #define MISC_CONTROL                      0x40
0016 #define MISC_CONTROL_SWRESET              (1<<0)
0017 
0018 #define SERIAL_EEPROM_CONTROL             0x44
0019 
0020 #define PCI_INT_STATUS                    0x48
0021 #define PCI_INT_ENABLE                    0x4c
0022 /* status and enable have identical bit numbers */
0023 #define PCI_INT_INT_PEND                  (1<<31)
0024 #define PCI_INT_FRC_INT                   (1<<30)
0025 #define PCI_INT_SLV_ADR_PERR              (1<<28)
0026 #define PCI_INT_SLV_DAT_PERR              (1<<27)
0027 #define PCI_INT_MST_DAT_PERR              (1<<26)
0028 #define PCI_INT_MST_DEV_TO                (1<<25)
0029 #define PCI_INT_INT_SLV_TO                (1<<23)
0030 #define PCI_INT_AUX_TO                    (1<<18)
0031 #define PCI_INT_AUX_INT                   (1<<17)
0032 #define PCI_INT_P1394_INT                 (1<<16)
0033 #define PCI_INT_DMA4_PCL                  (1<<9)
0034 #define PCI_INT_DMA4_HLT                  (1<<8)
0035 #define PCI_INT_DMA3_PCL                  (1<<7)
0036 #define PCI_INT_DMA3_HLT                  (1<<6)
0037 #define PCI_INT_DMA2_PCL                  (1<<5)
0038 #define PCI_INT_DMA2_HLT                  (1<<4)
0039 #define PCI_INT_DMA1_PCL                  (1<<3)
0040 #define PCI_INT_DMA1_HLT                  (1<<2)
0041 #define PCI_INT_DMA0_PCL                  (1<<1)
0042 #define PCI_INT_DMA0_HLT                  (1<<0)
0043 /* all DMA interrupts combined: */
0044 #define PCI_INT_DMA_ALL                   0x3ff
0045 
0046 #define PCI_INT_DMA_HLT(chan)             (1 << (chan * 2))
0047 #define PCI_INT_DMA_PCL(chan)             (1 << (chan * 2 + 1))
0048 
0049 #define LBUS_ADDR                         0xb4
0050 #define LBUS_ADDR_SEL_RAM                 (0x0<<16)
0051 #define LBUS_ADDR_SEL_ROM                 (0x1<<16)
0052 #define LBUS_ADDR_SEL_AUX                 (0x2<<16)
0053 #define LBUS_ADDR_SEL_ZV                  (0x3<<16)
0054 
0055 #define GPIO_CTRL_A                       0xb8
0056 #define GPIO_CTRL_B                       0xbc
0057 #define GPIO_DATA_BASE                    0xc0
0058 
0059 #define DMA_BREG(base, chan)              (base + chan * 0x20)
0060 #define DMA_SREG(base, chan)              (base + chan * 0x10)
0061 
0062 #define PCL_NEXT_INVALID (1<<0)
0063 
0064 /* transfer commands */
0065 #define PCL_CMD_RCV            (0x1<<24)
0066 #define PCL_CMD_RCV_AND_UPDATE (0xa<<24)
0067 #define PCL_CMD_XMT            (0x2<<24)
0068 #define PCL_CMD_UNFXMT         (0xc<<24)
0069 #define PCL_CMD_PCI_TO_LBUS    (0x8<<24)
0070 #define PCL_CMD_LBUS_TO_PCI    (0x9<<24)
0071 
0072 /* aux commands */
0073 #define PCL_CMD_NOP            (0x0<<24)
0074 #define PCL_CMD_LOAD           (0x3<<24)
0075 #define PCL_CMD_STOREQ         (0x4<<24)
0076 #define PCL_CMD_STORED         (0xb<<24)
0077 #define PCL_CMD_STORE0         (0x5<<24)
0078 #define PCL_CMD_STORE1         (0x6<<24)
0079 #define PCL_CMD_COMPARE        (0xe<<24)
0080 #define PCL_CMD_SWAP_COMPARE   (0xf<<24)
0081 #define PCL_CMD_ADD            (0xd<<24)
0082 #define PCL_CMD_BRANCH         (0x7<<24)
0083 
0084 /* BRANCH condition codes */
0085 #define PCL_COND_DMARDY_SET    (0x1<<20)
0086 #define PCL_COND_DMARDY_CLEAR  (0x2<<20)
0087 
0088 #define PCL_GEN_INTR           (1<<19)
0089 #define PCL_LAST_BUFF          (1<<18)
0090 #define PCL_LAST_CMD           (PCL_LAST_BUFF)
0091 #define PCL_WAITSTAT           (1<<17)
0092 #define PCL_BIGENDIAN          (1<<16)
0093 #define PCL_ISOMODE            (1<<12)
0094 
0095 #define DMA0_PREV_PCL                     0x100
0096 #define DMA1_PREV_PCL                     0x120
0097 #define DMA2_PREV_PCL                     0x140
0098 #define DMA3_PREV_PCL                     0x160
0099 #define DMA4_PREV_PCL                     0x180
0100 #define DMA_PREV_PCL(chan)                (DMA_BREG(DMA0_PREV_PCL, chan))
0101 
0102 #define DMA0_CURRENT_PCL                  0x104
0103 #define DMA1_CURRENT_PCL                  0x124
0104 #define DMA2_CURRENT_PCL                  0x144
0105 #define DMA3_CURRENT_PCL                  0x164
0106 #define DMA4_CURRENT_PCL                  0x184
0107 #define DMA_CURRENT_PCL(chan)             (DMA_BREG(DMA0_CURRENT_PCL, chan))
0108 
0109 #define DMA0_CHAN_STAT                    0x10c
0110 #define DMA1_CHAN_STAT                    0x12c
0111 #define DMA2_CHAN_STAT                    0x14c
0112 #define DMA3_CHAN_STAT                    0x16c
0113 #define DMA4_CHAN_STAT                    0x18c
0114 #define DMA_CHAN_STAT(chan)               (DMA_BREG(DMA0_CHAN_STAT, chan))
0115 /* CHAN_STATUS registers share bits */
0116 #define DMA_CHAN_STAT_SELFID              (1<<31)
0117 #define DMA_CHAN_STAT_ISOPKT              (1<<30)
0118 #define DMA_CHAN_STAT_PCIERR              (1<<29)
0119 #define DMA_CHAN_STAT_PKTERR              (1<<28)
0120 #define DMA_CHAN_STAT_PKTCMPL             (1<<27)
0121 #define DMA_CHAN_STAT_SPECIALACK          (1<<14)
0122 
0123 #define DMA0_CHAN_CTRL                    0x110
0124 #define DMA1_CHAN_CTRL                    0x130
0125 #define DMA2_CHAN_CTRL                    0x150
0126 #define DMA3_CHAN_CTRL                    0x170
0127 #define DMA4_CHAN_CTRL                    0x190
0128 #define DMA_CHAN_CTRL(chan)               (DMA_BREG(DMA0_CHAN_CTRL, chan))
0129 /* CHAN_CTRL registers share bits */
0130 #define DMA_CHAN_CTRL_ENABLE              (1<<31)
0131 #define DMA_CHAN_CTRL_BUSY                (1<<30)
0132 #define DMA_CHAN_CTRL_LINK                (1<<29)
0133 
0134 #define DMA0_READY                        0x114
0135 #define DMA1_READY                        0x134
0136 #define DMA2_READY                        0x154
0137 #define DMA3_READY                        0x174
0138 #define DMA4_READY                        0x194
0139 #define DMA_READY(chan)                   (DMA_BREG(DMA0_READY, chan))
0140 
0141 #define DMA_GLOBAL_REGISTER               0x908
0142 
0143 #define FIFO_SIZES                        0xa00
0144 
0145 #define FIFO_CONTROL                      0xa10
0146 #define FIFO_CONTROL_GRF_FLUSH            (1<<4)
0147 #define FIFO_CONTROL_ITF_FLUSH            (1<<3)
0148 #define FIFO_CONTROL_ATF_FLUSH            (1<<2)
0149 
0150 #define FIFO_XMIT_THRESHOLD               0xa14
0151 
0152 #define DMA0_WORD0_CMP_VALUE              0xb00
0153 #define DMA1_WORD0_CMP_VALUE              0xb10
0154 #define DMA2_WORD0_CMP_VALUE              0xb20
0155 #define DMA3_WORD0_CMP_VALUE              0xb30
0156 #define DMA4_WORD0_CMP_VALUE              0xb40
0157 #define DMA_WORD0_CMP_VALUE(chan)   (DMA_SREG(DMA0_WORD0_CMP_VALUE, chan))
0158 
0159 #define DMA0_WORD0_CMP_ENABLE             0xb04
0160 #define DMA1_WORD0_CMP_ENABLE             0xb14
0161 #define DMA2_WORD0_CMP_ENABLE             0xb24
0162 #define DMA3_WORD0_CMP_ENABLE             0xb34
0163 #define DMA4_WORD0_CMP_ENABLE             0xb44
0164 #define DMA_WORD0_CMP_ENABLE(chan)  (DMA_SREG(DMA0_WORD0_CMP_ENABLE, chan))
0165 
0166 #define DMA0_WORD1_CMP_VALUE              0xb08
0167 #define DMA1_WORD1_CMP_VALUE              0xb18
0168 #define DMA2_WORD1_CMP_VALUE              0xb28
0169 #define DMA3_WORD1_CMP_VALUE              0xb38
0170 #define DMA4_WORD1_CMP_VALUE              0xb48
0171 #define DMA_WORD1_CMP_VALUE(chan)   (DMA_SREG(DMA0_WORD1_CMP_VALUE, chan))
0172 
0173 #define DMA0_WORD1_CMP_ENABLE             0xb0c
0174 #define DMA1_WORD1_CMP_ENABLE             0xb1c
0175 #define DMA2_WORD1_CMP_ENABLE             0xb2c
0176 #define DMA3_WORD1_CMP_ENABLE             0xb3c
0177 #define DMA4_WORD1_CMP_ENABLE             0xb4c
0178 #define DMA_WORD1_CMP_ENABLE(chan)  (DMA_SREG(DMA0_WORD1_CMP_ENABLE, chan))
0179 /* word 1 compare enable flags */
0180 #define DMA_WORD1_CMP_MATCH_OTHERBUS      (1<<15)
0181 #define DMA_WORD1_CMP_MATCH_BROADCAST     (1<<14)
0182 #define DMA_WORD1_CMP_MATCH_BUS_BCAST     (1<<13)
0183 #define DMA_WORD1_CMP_MATCH_LOCAL_NODE    (1<<12)
0184 #define DMA_WORD1_CMP_MATCH_EXACT         (1<<11)
0185 #define DMA_WORD1_CMP_ENABLE_SELF_ID      (1<<10)
0186 #define DMA_WORD1_CMP_ENABLE_MASTER       (1<<8)
0187 
0188 #define LINK_ID                           0xf00
0189 #define LINK_ID_BUS(id)                   (id<<22)
0190 #define LINK_ID_NODE(id)                  (id<<16)
0191 
0192 #define LINK_CONTROL                      0xf04
0193 #define LINK_CONTROL_BUSY                 (1<<29)
0194 #define LINK_CONTROL_TX_ISO_EN            (1<<26)
0195 #define LINK_CONTROL_RX_ISO_EN            (1<<25)
0196 #define LINK_CONTROL_TX_ASYNC_EN          (1<<24)
0197 #define LINK_CONTROL_RX_ASYNC_EN          (1<<23)
0198 #define LINK_CONTROL_RESET_TX             (1<<21)
0199 #define LINK_CONTROL_RESET_RX             (1<<20)
0200 #define LINK_CONTROL_CYCMASTER            (1<<11)
0201 #define LINK_CONTROL_CYCSOURCE            (1<<10)
0202 #define LINK_CONTROL_CYCTIMEREN           (1<<9)
0203 #define LINK_CONTROL_RCV_CMP_VALID        (1<<7)
0204 #define LINK_CONTROL_SNOOP_ENABLE         (1<<6)
0205 
0206 #define CYCLE_TIMER                       0xf08
0207 
0208 #define LINK_PHY                          0xf0c
0209 #define LINK_PHY_READ                     (1<<31)
0210 #define LINK_PHY_WRITE                    (1<<30)
0211 #define LINK_PHY_ADDR(addr)               (addr<<24)
0212 #define LINK_PHY_WDATA(data)              (data<<16)
0213 #define LINK_PHY_RADDR(addr)              (addr<<8)
0214 
0215 #define LINK_INT_STATUS                   0xf14
0216 #define LINK_INT_ENABLE                   0xf18
0217 /* status and enable have identical bit numbers */
0218 #define LINK_INT_LINK_INT                 (1<<31)
0219 #define LINK_INT_PHY_TIME_OUT             (1<<30)
0220 #define LINK_INT_PHY_REG_RCVD             (1<<29)
0221 #define LINK_INT_PHY_BUSRESET             (1<<28)
0222 #define LINK_INT_TX_RDY                   (1<<26)
0223 #define LINK_INT_RX_DATA_RDY              (1<<25)
0224 #define LINK_INT_IT_STUCK                 (1<<20)
0225 #define LINK_INT_AT_STUCK                 (1<<19)
0226 #define LINK_INT_SNTRJ                    (1<<17)
0227 #define LINK_INT_HDR_ERR                  (1<<16)
0228 #define LINK_INT_TC_ERR                   (1<<15)
0229 #define LINK_INT_CYC_SEC                  (1<<11)
0230 #define LINK_INT_CYC_STRT                 (1<<10)
0231 #define LINK_INT_CYC_DONE                 (1<<9)
0232 #define LINK_INT_CYC_PEND                 (1<<8)
0233 #define LINK_INT_CYC_LOST                 (1<<7)
0234 #define LINK_INT_CYC_ARB_FAILED           (1<<6)
0235 #define LINK_INT_GRF_OVER_FLOW            (1<<5)
0236 #define LINK_INT_ITF_UNDER_FLOW           (1<<4)
0237 #define LINK_INT_ATF_UNDER_FLOW           (1<<3)
0238 #define LINK_INT_IARB_FAILED              (1<<0)