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nosy.h
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nosy.h
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/* 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)