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