2 * Copyright (C) 2006 PA Semi, Inc
4 * Hardware register layout and descriptor formats for the on-board
5 * DMA engine on PA Semi PWRficient. Used by ethernet, function and security
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #ifndef ASM_PASEMI_DMA_H
23 #define ASM_PASEMI_DMA_H
25 /* status register layout in IOB region, at 0xfb800000 */
26 struct pasdma_status {
27 u64 rx_sta[64]; /* RX channel status */
28 u64 tx_sta[20]; /* TX channel status */
32 /* All these registers live in the PCI configuration space for the DMA PCI
33 * device. Use the normal PCI config access functions for them.
36 PAS_DMA_CAP_TXCH = 0x44, /* Transmit Channel Info */
37 PAS_DMA_CAP_RXCH = 0x48, /* Transmit Channel Info */
38 PAS_DMA_CAP_IFI = 0x4c, /* Interface Info */
39 PAS_DMA_COM_TXCMD = 0x100, /* Transmit Command Register */
40 PAS_DMA_COM_TXSTA = 0x104, /* Transmit Status Register */
41 PAS_DMA_COM_RXCMD = 0x108, /* Receive Command Register */
42 PAS_DMA_COM_RXSTA = 0x10c, /* Receive Status Register */
46 #define PAS_DMA_CAP_TXCH_TCHN_M 0x00ff0000 /* # of TX channels */
47 #define PAS_DMA_CAP_TXCH_TCHN_S 16
49 #define PAS_DMA_CAP_RXCH_RCHN_M 0x00ff0000 /* # of RX channels */
50 #define PAS_DMA_CAP_RXCH_RCHN_S 16
52 #define PAS_DMA_CAP_IFI_IOFF_M 0xff000000 /* Cfg reg for intf pointers */
53 #define PAS_DMA_CAP_IFI_IOFF_S 24
54 #define PAS_DMA_CAP_IFI_NIN_M 0x00ff0000 /* # of interfaces */
55 #define PAS_DMA_CAP_IFI_NIN_S 16
57 #define PAS_DMA_COM_TXCMD_EN 0x00000001 /* enable */
58 #define PAS_DMA_COM_TXSTA_ACT 0x00000001 /* active */
59 #define PAS_DMA_COM_RXCMD_EN 0x00000001 /* enable */
60 #define PAS_DMA_COM_RXSTA_ACT 0x00000001 /* active */
63 /* Per-interface and per-channel registers */
64 #define _PAS_DMA_RXINT_STRIDE 0x20
65 #define PAS_DMA_RXINT_RCMDSTA(i) (0x200+(i)*_PAS_DMA_RXINT_STRIDE)
66 #define PAS_DMA_RXINT_RCMDSTA_EN 0x00000001
67 #define PAS_DMA_RXINT_RCMDSTA_ST 0x00000002
68 #define PAS_DMA_RXINT_RCMDSTA_MBT 0x00000008
69 #define PAS_DMA_RXINT_RCMDSTA_MDR 0x00000010
70 #define PAS_DMA_RXINT_RCMDSTA_MOO 0x00000020
71 #define PAS_DMA_RXINT_RCMDSTA_MBP 0x00000040
72 #define PAS_DMA_RXINT_RCMDSTA_BT 0x00000800
73 #define PAS_DMA_RXINT_RCMDSTA_DR 0x00001000
74 #define PAS_DMA_RXINT_RCMDSTA_OO 0x00002000
75 #define PAS_DMA_RXINT_RCMDSTA_BP 0x00004000
76 #define PAS_DMA_RXINT_RCMDSTA_TB 0x00008000
77 #define PAS_DMA_RXINT_RCMDSTA_ACT 0x00010000
78 #define PAS_DMA_RXINT_RCMDSTA_DROPS_M 0xfffe0000
79 #define PAS_DMA_RXINT_RCMDSTA_DROPS_S 17
80 #define PAS_DMA_RXINT_CFG(i) (0x204+(i)*_PAS_DMA_RXINT_STRIDE)
81 #define PAS_DMA_RXINT_CFG_RBP 0x80000000
82 #define PAS_DMA_RXINT_CFG_ITRR 0x40000000
83 #define PAS_DMA_RXINT_CFG_DHL_M 0x07000000
84 #define PAS_DMA_RXINT_CFG_DHL_S 24
85 #define PAS_DMA_RXINT_CFG_DHL(x) (((x) << PAS_DMA_RXINT_CFG_DHL_S) & \
86 PAS_DMA_RXINT_CFG_DHL_M)
87 #define PAS_DMA_RXINT_CFG_ITR 0x00400000
88 #define PAS_DMA_RXINT_CFG_LW 0x00200000
89 #define PAS_DMA_RXINT_CFG_L2 0x00100000
90 #define PAS_DMA_RXINT_CFG_HEN 0x00080000
91 #define PAS_DMA_RXINT_CFG_WIF 0x00000002
92 #define PAS_DMA_RXINT_CFG_WIL 0x00000001
94 #define PAS_DMA_RXINT_INCR(i) (0x210+(i)*_PAS_DMA_RXINT_STRIDE)
95 #define PAS_DMA_RXINT_INCR_INCR_M 0x0000ffff
96 #define PAS_DMA_RXINT_INCR_INCR_S 0
97 #define PAS_DMA_RXINT_INCR_INCR(x) ((x) & 0x0000ffff)
98 #define PAS_DMA_RXINT_BASEL(i) (0x218+(i)*_PAS_DMA_RXINT_STRIDE)
99 #define PAS_DMA_RXINT_BASEL_BRBL(x) ((x) & ~0x3f)
100 #define PAS_DMA_RXINT_BASEU(i) (0x21c+(i)*_PAS_DMA_RXINT_STRIDE)
101 #define PAS_DMA_RXINT_BASEU_BRBH(x) ((x) & 0xfff)
102 #define PAS_DMA_RXINT_BASEU_SIZ_M 0x3fff0000 /* # of cache lines worth of buffer ring */
103 #define PAS_DMA_RXINT_BASEU_SIZ_S 16 /* 0 = 16K */
104 #define PAS_DMA_RXINT_BASEU_SIZ(x) (((x) << PAS_DMA_RXINT_BASEU_SIZ_S) & \
105 PAS_DMA_RXINT_BASEU_SIZ_M)
108 #define _PAS_DMA_TXCHAN_STRIDE 0x20 /* Size per channel */
109 #define _PAS_DMA_TXCHAN_TCMDSTA 0x300 /* Command / Status */
110 #define _PAS_DMA_TXCHAN_CFG 0x304 /* Configuration */
111 #define _PAS_DMA_TXCHAN_DSCRBU 0x308 /* Descriptor BU Allocation */
112 #define _PAS_DMA_TXCHAN_INCR 0x310 /* Descriptor increment */
113 #define _PAS_DMA_TXCHAN_CNT 0x314 /* Descriptor count/offset */
114 #define _PAS_DMA_TXCHAN_BASEL 0x318 /* Descriptor ring base (low) */
115 #define _PAS_DMA_TXCHAN_BASEU 0x31c /* (high) */
116 #define PAS_DMA_TXCHAN_TCMDSTA(c) (0x300+(c)*_PAS_DMA_TXCHAN_STRIDE)
117 #define PAS_DMA_TXCHAN_TCMDSTA_EN 0x00000001 /* Enabled */
118 #define PAS_DMA_TXCHAN_TCMDSTA_ST 0x00000002 /* Stop interface */
119 #define PAS_DMA_TXCHAN_TCMDSTA_ACT 0x00010000 /* Active */
120 #define PAS_DMA_TXCHAN_TCMDSTA_SZ 0x00000800
121 #define PAS_DMA_TXCHAN_TCMDSTA_DB 0x00000400
122 #define PAS_DMA_TXCHAN_TCMDSTA_DE 0x00000200
123 #define PAS_DMA_TXCHAN_TCMDSTA_DA 0x00000100
124 #define PAS_DMA_TXCHAN_CFG(c) (0x304+(c)*_PAS_DMA_TXCHAN_STRIDE)
125 #define PAS_DMA_TXCHAN_CFG_TY_IFACE 0x00000000 /* Type = interface */
126 #define PAS_DMA_TXCHAN_CFG_TATTR_M 0x0000003c
127 #define PAS_DMA_TXCHAN_CFG_TATTR_S 2
128 #define PAS_DMA_TXCHAN_CFG_TATTR(x) (((x) << PAS_DMA_TXCHAN_CFG_TATTR_S) & \
129 PAS_DMA_TXCHAN_CFG_TATTR_M)
130 #define PAS_DMA_TXCHAN_CFG_WT_M 0x000001c0
131 #define PAS_DMA_TXCHAN_CFG_WT_S 6
132 #define PAS_DMA_TXCHAN_CFG_WT(x) (((x) << PAS_DMA_TXCHAN_CFG_WT_S) & \
133 PAS_DMA_TXCHAN_CFG_WT_M)
134 #define PAS_DMA_TXCHAN_CFG_TRD 0x00010000 /* translate data */
135 #define PAS_DMA_TXCHAN_CFG_TRR 0x00008000 /* translate rings */
136 #define PAS_DMA_TXCHAN_CFG_UP 0x00004000 /* update tx descr when sent */
137 #define PAS_DMA_TXCHAN_CFG_CL 0x00002000 /* Clean last line */
138 #define PAS_DMA_TXCHAN_CFG_CF 0x00001000 /* Clean first line */
139 #define PAS_DMA_TXCHAN_INCR(c) (0x310+(c)*_PAS_DMA_TXCHAN_STRIDE)
140 #define PAS_DMA_TXCHAN_BASEL(c) (0x318+(c)*_PAS_DMA_TXCHAN_STRIDE)
141 #define PAS_DMA_TXCHAN_BASEL_BRBL_M 0xffffffc0
142 #define PAS_DMA_TXCHAN_BASEL_BRBL_S 0
143 #define PAS_DMA_TXCHAN_BASEL_BRBL(x) (((x) << PAS_DMA_TXCHAN_BASEL_BRBL_S) & \
144 PAS_DMA_TXCHAN_BASEL_BRBL_M)
145 #define PAS_DMA_TXCHAN_BASEU(c) (0x31c+(c)*_PAS_DMA_TXCHAN_STRIDE)
146 #define PAS_DMA_TXCHAN_BASEU_BRBH_M 0x00000fff
147 #define PAS_DMA_TXCHAN_BASEU_BRBH_S 0
148 #define PAS_DMA_TXCHAN_BASEU_BRBH(x) (((x) << PAS_DMA_TXCHAN_BASEU_BRBH_S) & \
149 PAS_DMA_TXCHAN_BASEU_BRBH_M)
150 /* # of cache lines worth of buffer ring */
151 #define PAS_DMA_TXCHAN_BASEU_SIZ_M 0x3fff0000
152 #define PAS_DMA_TXCHAN_BASEU_SIZ_S 16 /* 0 = 16K */
153 #define PAS_DMA_TXCHAN_BASEU_SIZ(x) (((x) << PAS_DMA_TXCHAN_BASEU_SIZ_S) & \
154 PAS_DMA_TXCHAN_BASEU_SIZ_M)
156 #define _PAS_DMA_RXCHAN_STRIDE 0x20 /* Size per channel */
157 #define _PAS_DMA_RXCHAN_CCMDSTA 0x800 /* Command / Status */
158 #define _PAS_DMA_RXCHAN_CFG 0x804 /* Configuration */
159 #define _PAS_DMA_RXCHAN_INCR 0x810 /* Descriptor increment */
160 #define _PAS_DMA_RXCHAN_CNT 0x814 /* Descriptor count/offset */
161 #define _PAS_DMA_RXCHAN_BASEL 0x818 /* Descriptor ring base (low) */
162 #define _PAS_DMA_RXCHAN_BASEU 0x81c /* (high) */
163 #define PAS_DMA_RXCHAN_CCMDSTA(c) (0x800+(c)*_PAS_DMA_RXCHAN_STRIDE)
164 #define PAS_DMA_RXCHAN_CCMDSTA_EN 0x00000001 /* Enabled */
165 #define PAS_DMA_RXCHAN_CCMDSTA_ST 0x00000002 /* Stop interface */
166 #define PAS_DMA_RXCHAN_CCMDSTA_ACT 0x00010000 /* Active */
167 #define PAS_DMA_RXCHAN_CCMDSTA_DU 0x00020000
168 #define PAS_DMA_RXCHAN_CCMDSTA_OD 0x00002000
169 #define PAS_DMA_RXCHAN_CCMDSTA_FD 0x00001000
170 #define PAS_DMA_RXCHAN_CCMDSTA_DT 0x00000800
171 #define PAS_DMA_RXCHAN_CFG(c) (0x804+(c)*_PAS_DMA_RXCHAN_STRIDE)
172 #define PAS_DMA_RXCHAN_CFG_CTR 0x00000400
173 #define PAS_DMA_RXCHAN_CFG_HBU_M 0x00000380
174 #define PAS_DMA_RXCHAN_CFG_HBU_S 7
175 #define PAS_DMA_RXCHAN_CFG_HBU(x) (((x) << PAS_DMA_RXCHAN_CFG_HBU_S) & \
176 PAS_DMA_RXCHAN_CFG_HBU_M)
177 #define PAS_DMA_RXCHAN_INCR(c) (0x810+(c)*_PAS_DMA_RXCHAN_STRIDE)
178 #define PAS_DMA_RXCHAN_BASEL(c) (0x818+(c)*_PAS_DMA_RXCHAN_STRIDE)
179 #define PAS_DMA_RXCHAN_BASEL_BRBL_M 0xffffffc0
180 #define PAS_DMA_RXCHAN_BASEL_BRBL_S 0
181 #define PAS_DMA_RXCHAN_BASEL_BRBL(x) (((x) << PAS_DMA_RXCHAN_BASEL_BRBL_S) & \
182 PAS_DMA_RXCHAN_BASEL_BRBL_M)
183 #define PAS_DMA_RXCHAN_BASEU(c) (0x81c+(c)*_PAS_DMA_RXCHAN_STRIDE)
184 #define PAS_DMA_RXCHAN_BASEU_BRBH_M 0x00000fff
185 #define PAS_DMA_RXCHAN_BASEU_BRBH_S 0
186 #define PAS_DMA_RXCHAN_BASEU_BRBH(x) (((x) << PAS_DMA_RXCHAN_BASEU_BRBH_S) & \
187 PAS_DMA_RXCHAN_BASEU_BRBH_M)
188 /* # of cache lines worth of buffer ring */
189 #define PAS_DMA_RXCHAN_BASEU_SIZ_M 0x3fff0000
190 #define PAS_DMA_RXCHAN_BASEU_SIZ_S 16 /* 0 = 16K */
191 #define PAS_DMA_RXCHAN_BASEU_SIZ(x) (((x) << PAS_DMA_RXCHAN_BASEU_SIZ_S) & \
192 PAS_DMA_RXCHAN_BASEU_SIZ_M)
194 #define PAS_STATUS_PCNT_M 0x000000000000ffffull
195 #define PAS_STATUS_PCNT_S 0
196 #define PAS_STATUS_DCNT_M 0x00000000ffff0000ull
197 #define PAS_STATUS_DCNT_S 16
198 #define PAS_STATUS_BPCNT_M 0x0000ffff00000000ull
199 #define PAS_STATUS_BPCNT_S 32
200 #define PAS_STATUS_CAUSE_M 0xf000000000000000ull
201 #define PAS_STATUS_TIMER 0x1000000000000000ull
202 #define PAS_STATUS_ERROR 0x2000000000000000ull
203 #define PAS_STATUS_SOFT 0x4000000000000000ull
204 #define PAS_STATUS_INT 0x8000000000000000ull
206 #define PAS_IOB_COM_PKTHDRCNT 0x120
207 #define PAS_IOB_COM_PKTHDRCNT_PKTHDR1_M 0x0fff0000
208 #define PAS_IOB_COM_PKTHDRCNT_PKTHDR1_S 16
209 #define PAS_IOB_COM_PKTHDRCNT_PKTHDR0_M 0x00000fff
210 #define PAS_IOB_COM_PKTHDRCNT_PKTHDR0_S 0
212 #define PAS_IOB_DMA_RXCH_CFG(i) (0x1100 + (i)*4)
213 #define PAS_IOB_DMA_RXCH_CFG_CNTTH_M 0x00000fff
214 #define PAS_IOB_DMA_RXCH_CFG_CNTTH_S 0
215 #define PAS_IOB_DMA_RXCH_CFG_CNTTH(x) (((x) << PAS_IOB_DMA_RXCH_CFG_CNTTH_S) & \
216 PAS_IOB_DMA_RXCH_CFG_CNTTH_M)
217 #define PAS_IOB_DMA_TXCH_CFG(i) (0x1200 + (i)*4)
218 #define PAS_IOB_DMA_TXCH_CFG_CNTTH_M 0x00000fff
219 #define PAS_IOB_DMA_TXCH_CFG_CNTTH_S 0
220 #define PAS_IOB_DMA_TXCH_CFG_CNTTH(x) (((x) << PAS_IOB_DMA_TXCH_CFG_CNTTH_S) & \
221 PAS_IOB_DMA_TXCH_CFG_CNTTH_M)
222 #define PAS_IOB_DMA_RXCH_STAT(i) (0x1300 + (i)*4)
223 #define PAS_IOB_DMA_RXCH_STAT_INTGEN 0x00001000
224 #define PAS_IOB_DMA_RXCH_STAT_CNTDEL_M 0x00000fff
225 #define PAS_IOB_DMA_RXCH_STAT_CNTDEL_S 0
226 #define PAS_IOB_DMA_RXCH_STAT_CNTDEL(x) (((x) << PAS_IOB_DMA_RXCH_STAT_CNTDEL_S) &\
227 PAS_IOB_DMA_RXCH_STAT_CNTDEL_M)
228 #define PAS_IOB_DMA_TXCH_STAT(i) (0x1400 + (i)*4)
229 #define PAS_IOB_DMA_TXCH_STAT_INTGEN 0x00001000
230 #define PAS_IOB_DMA_TXCH_STAT_CNTDEL_M 0x00000fff
231 #define PAS_IOB_DMA_TXCH_STAT_CNTDEL_S 0
232 #define PAS_IOB_DMA_TXCH_STAT_CNTDEL(x) (((x) << PAS_IOB_DMA_TXCH_STAT_CNTDEL_S) &\
233 PAS_IOB_DMA_TXCH_STAT_CNTDEL_M)
234 #define PAS_IOB_DMA_RXCH_RESET(i) (0x1500 + (i)*4)
235 #define PAS_IOB_DMA_RXCH_RESET_PCNT_M 0xffff0000
236 #define PAS_IOB_DMA_RXCH_RESET_PCNT_S 16
237 #define PAS_IOB_DMA_RXCH_RESET_PCNT(x) (((x) << PAS_IOB_DMA_RXCH_RESET_PCNT_S) & \
238 PAS_IOB_DMA_RXCH_RESET_PCNT_M)
239 #define PAS_IOB_DMA_RXCH_RESET_PCNTRST 0x00000020
240 #define PAS_IOB_DMA_RXCH_RESET_DCNTRST 0x00000010
241 #define PAS_IOB_DMA_RXCH_RESET_TINTC 0x00000008
242 #define PAS_IOB_DMA_RXCH_RESET_DINTC 0x00000004
243 #define PAS_IOB_DMA_RXCH_RESET_SINTC 0x00000002
244 #define PAS_IOB_DMA_RXCH_RESET_PINTC 0x00000001
245 #define PAS_IOB_DMA_TXCH_RESET(i) (0x1600 + (i)*4)
246 #define PAS_IOB_DMA_TXCH_RESET_PCNT_M 0xffff0000
247 #define PAS_IOB_DMA_TXCH_RESET_PCNT_S 16
248 #define PAS_IOB_DMA_TXCH_RESET_PCNT(x) (((x) << PAS_IOB_DMA_TXCH_RESET_PCNT_S) & \
249 PAS_IOB_DMA_TXCH_RESET_PCNT_M)
250 #define PAS_IOB_DMA_TXCH_RESET_PCNTRST 0x00000020
251 #define PAS_IOB_DMA_TXCH_RESET_DCNTRST 0x00000010
252 #define PAS_IOB_DMA_TXCH_RESET_TINTC 0x00000008
253 #define PAS_IOB_DMA_TXCH_RESET_DINTC 0x00000004
254 #define PAS_IOB_DMA_TXCH_RESET_SINTC 0x00000002
255 #define PAS_IOB_DMA_TXCH_RESET_PINTC 0x00000001
257 #define PAS_IOB_DMA_COM_TIMEOUTCFG 0x1700
258 #define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_M 0x00ffffff
259 #define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_S 0
260 #define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT(x) (((x) << PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_S) & \
261 PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_M)
263 /* Transmit descriptor fields */
264 #define XCT_MACTX_T 0x8000000000000000ull
265 #define XCT_MACTX_ST 0x4000000000000000ull
266 #define XCT_MACTX_NORES 0x0000000000000000ull
267 #define XCT_MACTX_8BRES 0x1000000000000000ull
268 #define XCT_MACTX_24BRES 0x2000000000000000ull
269 #define XCT_MACTX_40BRES 0x3000000000000000ull
270 #define XCT_MACTX_I 0x0800000000000000ull
271 #define XCT_MACTX_O 0x0400000000000000ull
272 #define XCT_MACTX_E 0x0200000000000000ull
273 #define XCT_MACTX_VLAN_M 0x0180000000000000ull
274 #define XCT_MACTX_VLAN_NOP 0x0000000000000000ull
275 #define XCT_MACTX_VLAN_REMOVE 0x0080000000000000ull
276 #define XCT_MACTX_VLAN_INSERT 0x0100000000000000ull
277 #define XCT_MACTX_VLAN_REPLACE 0x0180000000000000ull
278 #define XCT_MACTX_CRC_M 0x0060000000000000ull
279 #define XCT_MACTX_CRC_NOP 0x0000000000000000ull
280 #define XCT_MACTX_CRC_INSERT 0x0020000000000000ull
281 #define XCT_MACTX_CRC_PAD 0x0040000000000000ull
282 #define XCT_MACTX_CRC_REPLACE 0x0060000000000000ull
283 #define XCT_MACTX_SS 0x0010000000000000ull
284 #define XCT_MACTX_LLEN_M 0x00007fff00000000ull
285 #define XCT_MACTX_LLEN_S 32ull
286 #define XCT_MACTX_LLEN(x) ((((long)(x)) << XCT_MACTX_LLEN_S) & \
288 #define XCT_MACTX_IPH_M 0x00000000f8000000ull
289 #define XCT_MACTX_IPH_S 27ull
290 #define XCT_MACTX_IPH(x) ((((long)(x)) << XCT_MACTX_IPH_S) & \
292 #define XCT_MACTX_IPO_M 0x0000000007c00000ull
293 #define XCT_MACTX_IPO_S 22ull
294 #define XCT_MACTX_IPO(x) ((((long)(x)) << XCT_MACTX_IPO_S) & \
296 #define XCT_MACTX_CSUM_M 0x0000000000000060ull
297 #define XCT_MACTX_CSUM_NOP 0x0000000000000000ull
298 #define XCT_MACTX_CSUM_TCP 0x0000000000000040ull
299 #define XCT_MACTX_CSUM_UDP 0x0000000000000060ull
300 #define XCT_MACTX_V6 0x0000000000000010ull
301 #define XCT_MACTX_C 0x0000000000000004ull
302 #define XCT_MACTX_AL2 0x0000000000000002ull
304 /* Receive descriptor fields */
305 #define XCT_MACRX_T 0x8000000000000000ull
306 #define XCT_MACRX_ST 0x4000000000000000ull
307 #define XCT_MACRX_RR_M 0x3000000000000000ull
308 #define XCT_MACRX_RR_NORES 0x0000000000000000ull
309 #define XCT_MACRX_RR_8BRES 0x1000000000000000ull
310 #define XCT_MACRX_O 0x0400000000000000ull
311 #define XCT_MACRX_E 0x0200000000000000ull
312 #define XCT_MACRX_FF 0x0100000000000000ull
313 #define XCT_MACRX_PF 0x0080000000000000ull
314 #define XCT_MACRX_OB 0x0040000000000000ull
315 #define XCT_MACRX_OD 0x0020000000000000ull
316 #define XCT_MACRX_FS 0x0010000000000000ull
317 #define XCT_MACRX_NB_M 0x000fc00000000000ull
318 #define XCT_MACRX_NB_S 46ULL
319 #define XCT_MACRX_NB(x) ((((long)(x)) << XCT_MACRX_NB_S) & \
321 #define XCT_MACRX_LLEN_M 0x00003fff00000000ull
322 #define XCT_MACRX_LLEN_S 32ULL
323 #define XCT_MACRX_LLEN(x) ((((long)(x)) << XCT_MACRX_LLEN_S) & \
325 #define XCT_MACRX_CRC 0x0000000080000000ull
326 #define XCT_MACRX_LEN_M 0x0000000060000000ull
327 #define XCT_MACRX_LEN_TOOSHORT 0x0000000020000000ull
328 #define XCT_MACRX_LEN_BELOWMIN 0x0000000040000000ull
329 #define XCT_MACRX_LEN_TRUNC 0x0000000060000000ull
330 #define XCT_MACRX_CAST_M 0x0000000018000000ull
331 #define XCT_MACRX_CAST_UNI 0x0000000000000000ull
332 #define XCT_MACRX_CAST_MULTI 0x0000000008000000ull
333 #define XCT_MACRX_CAST_BROAD 0x0000000010000000ull
334 #define XCT_MACRX_CAST_PAUSE 0x0000000018000000ull
335 #define XCT_MACRX_VLC_M 0x0000000006000000ull
336 #define XCT_MACRX_FM 0x0000000001000000ull
337 #define XCT_MACRX_HTY_M 0x0000000000c00000ull
338 #define XCT_MACRX_HTY_IPV4_OK 0x0000000000000000ull
339 #define XCT_MACRX_HTY_IPV6 0x0000000000400000ull
340 #define XCT_MACRX_HTY_IPV4_BAD 0x0000000000800000ull
341 #define XCT_MACRX_HTY_NONIP 0x0000000000c00000ull
342 #define XCT_MACRX_IPP_M 0x00000000003f0000ull
343 #define XCT_MACRX_IPP_S 16
344 #define XCT_MACRX_CSUM_M 0x000000000000ffffull
345 #define XCT_MACRX_CSUM_S 0
347 #define XCT_PTR_T 0x8000000000000000ull
348 #define XCT_PTR_LEN_M 0x7ffff00000000000ull
349 #define XCT_PTR_LEN_S 44
350 #define XCT_PTR_LEN(x) ((((long)(x)) << XCT_PTR_LEN_S) & \
352 #define XCT_PTR_ADDR_M 0x00000fffffffffffull
353 #define XCT_PTR_ADDR_S 0
354 #define XCT_PTR_ADDR(x) ((((long)(x)) << XCT_PTR_ADDR_S) & \
357 /* Receive interface 8byte result fields */
358 #define XCT_RXRES_8B_L4O_M 0xff00000000000000ull
359 #define XCT_RXRES_8B_L4O_S 56
360 #define XCT_RXRES_8B_RULE_M 0x00ffff0000000000ull
361 #define XCT_RXRES_8B_RULE_S 40
362 #define XCT_RXRES_8B_EVAL_M 0x000000ffff000000ull
363 #define XCT_RXRES_8B_EVAL_S 24
364 #define XCT_RXRES_8B_HTYPE_M 0x0000000000f00000ull
365 #define XCT_RXRES_8B_HASH_M 0x00000000000fffffull
366 #define XCT_RXRES_8B_HASH_S 0
368 /* Receive interface buffer fields */
369 #define XCT_RXB_LEN_M 0x0ffff00000000000ull
370 #define XCT_RXB_LEN_S 44
371 #define XCT_RXB_LEN(x) ((((long)(x)) << XCT_RXB_LEN_S) & \
373 #define XCT_RXB_ADDR_M 0x00000fffffffffffull
374 #define XCT_RXB_ADDR_S 0
375 #define XCT_RXB_ADDR(x) ((((long)(x)) << XCT_RXB_ADDR_S) & \
378 /* Copy descriptor fields */
379 #define XCT_COPY_T 0x8000000000000000ull
380 #define XCT_COPY_ST 0x4000000000000000ull
381 #define XCT_COPY_RR_M 0x3000000000000000ull
382 #define XCT_COPY_RR_NORES 0x0000000000000000ull
383 #define XCT_COPY_RR_8BRES 0x1000000000000000ull
384 #define XCT_COPY_RR_24BRES 0x2000000000000000ull
385 #define XCT_COPY_RR_40BRES 0x3000000000000000ull
386 #define XCT_COPY_I 0x0800000000000000ull
387 #define XCT_COPY_O 0x0400000000000000ull
388 #define XCT_COPY_E 0x0200000000000000ull
389 #define XCT_COPY_STY_ZERO 0x01c0000000000000ull
390 #define XCT_COPY_DTY_PREF 0x0038000000000000ull
391 #define XCT_COPY_LLEN_M 0x0007ffff00000000ull
392 #define XCT_COPY_LLEN_S 32
393 #define XCT_COPY_LLEN(x) ((((long)(x)) << XCT_COPY_LLEN_S) & \
395 #define XCT_COPY_SE 0x0000000000000001ull
397 /* Control descriptor fields */
398 #define CTRL_CMD_T 0x8000000000000000ull
399 #define CTRL_CMD_META_EVT 0x2000000000000000ull
400 #define CTRL_CMD_O 0x0400000000000000ull
401 #define CTRL_CMD_REG_M 0x000000000000000full
402 #define CTRL_CMD_REG_S 0
403 #define CTRL_CMD_REG(x) ((((long)(x)) << CTRL_CMD_REG_S) & \
408 /* Prototypes for the shared DMA functions in the platform code. */
410 /* DMA TX Channel type. Right now only limitations used are event types 0/1,
411 * for event-triggered DMA transactions.
414 enum pasemi_dmachan_type {
415 RXCHAN = 0, /* Any RX chan */
416 TXCHAN = 1, /* Any TX chan */
417 TXCHAN_EVT0 = 0x1001, /* TX chan in event class 0 (chan 0-9) */
418 TXCHAN_EVT1 = 0x2001, /* TX chan in event class 1 (chan 10-19) */
421 struct pasemi_dmachan {
422 int chno; /* Channel number */
423 enum pasemi_dmachan_type chan_type; /* TX / RX */
424 u64 *status; /* Ptr to cacheable status */
425 int irq; /* IRQ used by channel */
426 unsigned int ring_size; /* size of allocated ring */
427 dma_addr_t ring_dma; /* DMA address for ring */
428 u64 *ring_virt; /* Virt address for ring */
429 void *priv; /* Ptr to start of client struct */
432 /* Read/write the different registers in the I/O Bridge, Ethernet
435 extern unsigned int pasemi_read_iob_reg(unsigned int reg);
436 extern void pasemi_write_iob_reg(unsigned int reg, unsigned int val);
438 extern unsigned int pasemi_read_mac_reg(int intf, unsigned int reg);
439 extern void pasemi_write_mac_reg(int intf, unsigned int reg, unsigned int val);
441 extern unsigned int pasemi_read_dma_reg(unsigned int reg);
442 extern void pasemi_write_dma_reg(unsigned int reg, unsigned int val);
444 /* Channel management routines */
446 extern void *pasemi_dma_alloc_chan(enum pasemi_dmachan_type type,
447 int total_size, int offset);
448 extern void pasemi_dma_free_chan(struct pasemi_dmachan *chan);
450 extern void pasemi_dma_start_chan(const struct pasemi_dmachan *chan,
452 extern int pasemi_dma_stop_chan(const struct pasemi_dmachan *chan);
454 /* Common routines to allocate rings and buffers */
456 extern int pasemi_dma_alloc_ring(struct pasemi_dmachan *chan, int ring_size);
457 extern void pasemi_dma_free_ring(struct pasemi_dmachan *chan);
459 extern void *pasemi_dma_alloc_buf(struct pasemi_dmachan *chan, int size,
461 extern void pasemi_dma_free_buf(struct pasemi_dmachan *chan, int size,
464 /* Initialize the library, must be called before any other functions */
465 extern int pasemi_dma_init(void);
467 #endif /* ASM_PASEMI_DMA_H */