1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Chip register definitions for PCILynx chipset. Based on pcilynx.h
4 * from the Linux 1394 drivers, but modified a bit so the names here
5 * match the specification exactly (even though they have weird names,
6 * like xxx_OVER_FLOW, or arbitrary abbreviations like SNTRJ for "sent
10 #define PCILYNX_MAX_REGISTER 0xfff
11 #define PCILYNX_MAX_MEMORY 0xffff
13 #define PCI_LATENCY_CACHELINE 0x0c
15 #define MISC_CONTROL 0x40
16 #define MISC_CONTROL_SWRESET (1<<0)
18 #define SERIAL_EEPROM_CONTROL 0x44
20 #define PCI_INT_STATUS 0x48
21 #define PCI_INT_ENABLE 0x4c
22 /* status and enable have identical bit numbers */
23 #define PCI_INT_INT_PEND (1<<31)
24 #define PCI_INT_FRC_INT (1<<30)
25 #define PCI_INT_SLV_ADR_PERR (1<<28)
26 #define PCI_INT_SLV_DAT_PERR (1<<27)
27 #define PCI_INT_MST_DAT_PERR (1<<26)
28 #define PCI_INT_MST_DEV_TO (1<<25)
29 #define PCI_INT_INT_SLV_TO (1<<23)
30 #define PCI_INT_AUX_TO (1<<18)
31 #define PCI_INT_AUX_INT (1<<17)
32 #define PCI_INT_P1394_INT (1<<16)
33 #define PCI_INT_DMA4_PCL (1<<9)
34 #define PCI_INT_DMA4_HLT (1<<8)
35 #define PCI_INT_DMA3_PCL (1<<7)
36 #define PCI_INT_DMA3_HLT (1<<6)
37 #define PCI_INT_DMA2_PCL (1<<5)
38 #define PCI_INT_DMA2_HLT (1<<4)
39 #define PCI_INT_DMA1_PCL (1<<3)
40 #define PCI_INT_DMA1_HLT (1<<2)
41 #define PCI_INT_DMA0_PCL (1<<1)
42 #define PCI_INT_DMA0_HLT (1<<0)
43 /* all DMA interrupts combined: */
44 #define PCI_INT_DMA_ALL 0x3ff
46 #define PCI_INT_DMA_HLT(chan) (1 << (chan * 2))
47 #define PCI_INT_DMA_PCL(chan) (1 << (chan * 2 + 1))
49 #define LBUS_ADDR 0xb4
50 #define LBUS_ADDR_SEL_RAM (0x0<<16)
51 #define LBUS_ADDR_SEL_ROM (0x1<<16)
52 #define LBUS_ADDR_SEL_AUX (0x2<<16)
53 #define LBUS_ADDR_SEL_ZV (0x3<<16)
55 #define GPIO_CTRL_A 0xb8
56 #define GPIO_CTRL_B 0xbc
57 #define GPIO_DATA_BASE 0xc0
59 #define DMA_BREG(base, chan) (base + chan * 0x20)
60 #define DMA_SREG(base, chan) (base + chan * 0x10)
62 #define PCL_NEXT_INVALID (1<<0)
64 /* transfer commands */
65 #define PCL_CMD_RCV (0x1<<24)
66 #define PCL_CMD_RCV_AND_UPDATE (0xa<<24)
67 #define PCL_CMD_XMT (0x2<<24)
68 #define PCL_CMD_UNFXMT (0xc<<24)
69 #define PCL_CMD_PCI_TO_LBUS (0x8<<24)
70 #define PCL_CMD_LBUS_TO_PCI (0x9<<24)
73 #define PCL_CMD_NOP (0x0<<24)
74 #define PCL_CMD_LOAD (0x3<<24)
75 #define PCL_CMD_STOREQ (0x4<<24)
76 #define PCL_CMD_STORED (0xb<<24)
77 #define PCL_CMD_STORE0 (0x5<<24)
78 #define PCL_CMD_STORE1 (0x6<<24)
79 #define PCL_CMD_COMPARE (0xe<<24)
80 #define PCL_CMD_SWAP_COMPARE (0xf<<24)
81 #define PCL_CMD_ADD (0xd<<24)
82 #define PCL_CMD_BRANCH (0x7<<24)
84 /* BRANCH condition codes */
85 #define PCL_COND_DMARDY_SET (0x1<<20)
86 #define PCL_COND_DMARDY_CLEAR (0x2<<20)
88 #define PCL_GEN_INTR (1<<19)
89 #define PCL_LAST_BUFF (1<<18)
90 #define PCL_LAST_CMD (PCL_LAST_BUFF)
91 #define PCL_WAITSTAT (1<<17)
92 #define PCL_BIGENDIAN (1<<16)
93 #define PCL_ISOMODE (1<<12)
95 #define DMA0_PREV_PCL 0x100
96 #define DMA1_PREV_PCL 0x120
97 #define DMA2_PREV_PCL 0x140
98 #define DMA3_PREV_PCL 0x160
99 #define DMA4_PREV_PCL 0x180
100 #define DMA_PREV_PCL(chan) (DMA_BREG(DMA0_PREV_PCL, chan))
102 #define DMA0_CURRENT_PCL 0x104
103 #define DMA1_CURRENT_PCL 0x124
104 #define DMA2_CURRENT_PCL 0x144
105 #define DMA3_CURRENT_PCL 0x164
106 #define DMA4_CURRENT_PCL 0x184
107 #define DMA_CURRENT_PCL(chan) (DMA_BREG(DMA0_CURRENT_PCL, chan))
109 #define DMA0_CHAN_STAT 0x10c
110 #define DMA1_CHAN_STAT 0x12c
111 #define DMA2_CHAN_STAT 0x14c
112 #define DMA3_CHAN_STAT 0x16c
113 #define DMA4_CHAN_STAT 0x18c
114 #define DMA_CHAN_STAT(chan) (DMA_BREG(DMA0_CHAN_STAT, chan))
115 /* CHAN_STATUS registers share bits */
116 #define DMA_CHAN_STAT_SELFID (1<<31)
117 #define DMA_CHAN_STAT_ISOPKT (1<<30)
118 #define DMA_CHAN_STAT_PCIERR (1<<29)
119 #define DMA_CHAN_STAT_PKTERR (1<<28)
120 #define DMA_CHAN_STAT_PKTCMPL (1<<27)
121 #define DMA_CHAN_STAT_SPECIALACK (1<<14)
123 #define DMA0_CHAN_CTRL 0x110
124 #define DMA1_CHAN_CTRL 0x130
125 #define DMA2_CHAN_CTRL 0x150
126 #define DMA3_CHAN_CTRL 0x170
127 #define DMA4_CHAN_CTRL 0x190
128 #define DMA_CHAN_CTRL(chan) (DMA_BREG(DMA0_CHAN_CTRL, chan))
129 /* CHAN_CTRL registers share bits */
130 #define DMA_CHAN_CTRL_ENABLE (1<<31)
131 #define DMA_CHAN_CTRL_BUSY (1<<30)
132 #define DMA_CHAN_CTRL_LINK (1<<29)
134 #define DMA0_READY 0x114
135 #define DMA1_READY 0x134
136 #define DMA2_READY 0x154
137 #define DMA3_READY 0x174
138 #define DMA4_READY 0x194
139 #define DMA_READY(chan) (DMA_BREG(DMA0_READY, chan))
141 #define DMA_GLOBAL_REGISTER 0x908
143 #define FIFO_SIZES 0xa00
145 #define FIFO_CONTROL 0xa10
146 #define FIFO_CONTROL_GRF_FLUSH (1<<4)
147 #define FIFO_CONTROL_ITF_FLUSH (1<<3)
148 #define FIFO_CONTROL_ATF_FLUSH (1<<2)
150 #define FIFO_XMIT_THRESHOLD 0xa14
152 #define DMA0_WORD0_CMP_VALUE 0xb00
153 #define DMA1_WORD0_CMP_VALUE 0xb10
154 #define DMA2_WORD0_CMP_VALUE 0xb20
155 #define DMA3_WORD0_CMP_VALUE 0xb30
156 #define DMA4_WORD0_CMP_VALUE 0xb40
157 #define DMA_WORD0_CMP_VALUE(chan) (DMA_SREG(DMA0_WORD0_CMP_VALUE, chan))
159 #define DMA0_WORD0_CMP_ENABLE 0xb04
160 #define DMA1_WORD0_CMP_ENABLE 0xb14
161 #define DMA2_WORD0_CMP_ENABLE 0xb24
162 #define DMA3_WORD0_CMP_ENABLE 0xb34
163 #define DMA4_WORD0_CMP_ENABLE 0xb44
164 #define DMA_WORD0_CMP_ENABLE(chan) (DMA_SREG(DMA0_WORD0_CMP_ENABLE, chan))
166 #define DMA0_WORD1_CMP_VALUE 0xb08
167 #define DMA1_WORD1_CMP_VALUE 0xb18
168 #define DMA2_WORD1_CMP_VALUE 0xb28
169 #define DMA3_WORD1_CMP_VALUE 0xb38
170 #define DMA4_WORD1_CMP_VALUE 0xb48
171 #define DMA_WORD1_CMP_VALUE(chan) (DMA_SREG(DMA0_WORD1_CMP_VALUE, chan))
173 #define DMA0_WORD1_CMP_ENABLE 0xb0c
174 #define DMA1_WORD1_CMP_ENABLE 0xb1c
175 #define DMA2_WORD1_CMP_ENABLE 0xb2c
176 #define DMA3_WORD1_CMP_ENABLE 0xb3c
177 #define DMA4_WORD1_CMP_ENABLE 0xb4c
178 #define DMA_WORD1_CMP_ENABLE(chan) (DMA_SREG(DMA0_WORD1_CMP_ENABLE, chan))
179 /* word 1 compare enable flags */
180 #define DMA_WORD1_CMP_MATCH_OTHERBUS (1<<15)
181 #define DMA_WORD1_CMP_MATCH_BROADCAST (1<<14)
182 #define DMA_WORD1_CMP_MATCH_BUS_BCAST (1<<13)
183 #define DMA_WORD1_CMP_MATCH_LOCAL_NODE (1<<12)
184 #define DMA_WORD1_CMP_MATCH_EXACT (1<<11)
185 #define DMA_WORD1_CMP_ENABLE_SELF_ID (1<<10)
186 #define DMA_WORD1_CMP_ENABLE_MASTER (1<<8)
188 #define LINK_ID 0xf00
189 #define LINK_ID_BUS(id) (id<<22)
190 #define LINK_ID_NODE(id) (id<<16)
192 #define LINK_CONTROL 0xf04
193 #define LINK_CONTROL_BUSY (1<<29)
194 #define LINK_CONTROL_TX_ISO_EN (1<<26)
195 #define LINK_CONTROL_RX_ISO_EN (1<<25)
196 #define LINK_CONTROL_TX_ASYNC_EN (1<<24)
197 #define LINK_CONTROL_RX_ASYNC_EN (1<<23)
198 #define LINK_CONTROL_RESET_TX (1<<21)
199 #define LINK_CONTROL_RESET_RX (1<<20)
200 #define LINK_CONTROL_CYCMASTER (1<<11)
201 #define LINK_CONTROL_CYCSOURCE (1<<10)
202 #define LINK_CONTROL_CYCTIMEREN (1<<9)
203 #define LINK_CONTROL_RCV_CMP_VALID (1<<7)
204 #define LINK_CONTROL_SNOOP_ENABLE (1<<6)
206 #define CYCLE_TIMER 0xf08
208 #define LINK_PHY 0xf0c
209 #define LINK_PHY_READ (1<<31)
210 #define LINK_PHY_WRITE (1<<30)
211 #define LINK_PHY_ADDR(addr) (addr<<24)
212 #define LINK_PHY_WDATA(data) (data<<16)
213 #define LINK_PHY_RADDR(addr) (addr<<8)
215 #define LINK_INT_STATUS 0xf14
216 #define LINK_INT_ENABLE 0xf18
217 /* status and enable have identical bit numbers */
218 #define LINK_INT_LINK_INT (1<<31)
219 #define LINK_INT_PHY_TIME_OUT (1<<30)
220 #define LINK_INT_PHY_REG_RCVD (1<<29)
221 #define LINK_INT_PHY_BUSRESET (1<<28)
222 #define LINK_INT_TX_RDY (1<<26)
223 #define LINK_INT_RX_DATA_RDY (1<<25)
224 #define LINK_INT_IT_STUCK (1<<20)
225 #define LINK_INT_AT_STUCK (1<<19)
226 #define LINK_INT_SNTRJ (1<<17)
227 #define LINK_INT_HDR_ERR (1<<16)
228 #define LINK_INT_TC_ERR (1<<15)
229 #define LINK_INT_CYC_SEC (1<<11)
230 #define LINK_INT_CYC_STRT (1<<10)
231 #define LINK_INT_CYC_DONE (1<<9)
232 #define LINK_INT_CYC_PEND (1<<8)
233 #define LINK_INT_CYC_LOST (1<<7)
234 #define LINK_INT_CYC_ARB_FAILED (1<<6)
235 #define LINK_INT_GRF_OVER_FLOW (1<<5)
236 #define LINK_INT_ITF_UNDER_FLOW (1<<4)
237 #define LINK_INT_ATF_UNDER_FLOW (1<<3)
238 #define LINK_INT_IARB_FAILED (1<<0)