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40afa531 | 1 | /* |
afea3278 | 2 | * Copyright (C) 2006-2008 PA Semi, Inc |
40afa531 OJ |
3 | * |
4 | * Hardware register layout and descriptor formats for the on-board | |
5 | * DMA engine on PA Semi PWRficient. Used by ethernet, function and security | |
6 | * drivers. | |
7 | * | |
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. | |
11 | * | |
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. | |
16 | * | |
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 | |
20 | */ | |
21 | ||
22 | #ifndef ASM_PASEMI_DMA_H | |
23 | #define ASM_PASEMI_DMA_H | |
24 | ||
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 */ | |
29 | }; | |
30 | ||
31 | ||
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. | |
34 | */ | |
35 | enum { | |
8ee9d857 OJ |
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 */ | |
40afa531 OJ |
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 */ | |
afea3278 OJ |
43 | PAS_DMA_COM_CFG = 0x114, /* Common config reg */ |
44 | PAS_DMA_TXF_SFLG0 = 0x140, /* Set flags */ | |
45 | PAS_DMA_TXF_SFLG1 = 0x144, /* Set flags */ | |
46 | PAS_DMA_TXF_CFLG0 = 0x148, /* Set flags */ | |
47 | PAS_DMA_TXF_CFLG1 = 0x14c, /* Set flags */ | |
40afa531 | 48 | }; |
8ee9d857 OJ |
49 | |
50 | ||
51 | #define PAS_DMA_CAP_TXCH_TCHN_M 0x00ff0000 /* # of TX channels */ | |
52 | #define PAS_DMA_CAP_TXCH_TCHN_S 16 | |
53 | ||
54 | #define PAS_DMA_CAP_RXCH_RCHN_M 0x00ff0000 /* # of RX channels */ | |
55 | #define PAS_DMA_CAP_RXCH_RCHN_S 16 | |
56 | ||
57 | #define PAS_DMA_CAP_IFI_IOFF_M 0xff000000 /* Cfg reg for intf pointers */ | |
58 | #define PAS_DMA_CAP_IFI_IOFF_S 24 | |
59 | #define PAS_DMA_CAP_IFI_NIN_M 0x00ff0000 /* # of interfaces */ | |
60 | #define PAS_DMA_CAP_IFI_NIN_S 16 | |
61 | ||
40afa531 OJ |
62 | #define PAS_DMA_COM_TXCMD_EN 0x00000001 /* enable */ |
63 | #define PAS_DMA_COM_TXSTA_ACT 0x00000001 /* active */ | |
64 | #define PAS_DMA_COM_RXCMD_EN 0x00000001 /* enable */ | |
65 | #define PAS_DMA_COM_RXSTA_ACT 0x00000001 /* active */ | |
66 | ||
67 | ||
68 | /* Per-interface and per-channel registers */ | |
69 | #define _PAS_DMA_RXINT_STRIDE 0x20 | |
70 | #define PAS_DMA_RXINT_RCMDSTA(i) (0x200+(i)*_PAS_DMA_RXINT_STRIDE) | |
71 | #define PAS_DMA_RXINT_RCMDSTA_EN 0x00000001 | |
72 | #define PAS_DMA_RXINT_RCMDSTA_ST 0x00000002 | |
73 | #define PAS_DMA_RXINT_RCMDSTA_MBT 0x00000008 | |
74 | #define PAS_DMA_RXINT_RCMDSTA_MDR 0x00000010 | |
75 | #define PAS_DMA_RXINT_RCMDSTA_MOO 0x00000020 | |
76 | #define PAS_DMA_RXINT_RCMDSTA_MBP 0x00000040 | |
77 | #define PAS_DMA_RXINT_RCMDSTA_BT 0x00000800 | |
78 | #define PAS_DMA_RXINT_RCMDSTA_DR 0x00001000 | |
79 | #define PAS_DMA_RXINT_RCMDSTA_OO 0x00002000 | |
80 | #define PAS_DMA_RXINT_RCMDSTA_BP 0x00004000 | |
81 | #define PAS_DMA_RXINT_RCMDSTA_TB 0x00008000 | |
82 | #define PAS_DMA_RXINT_RCMDSTA_ACT 0x00010000 | |
83 | #define PAS_DMA_RXINT_RCMDSTA_DROPS_M 0xfffe0000 | |
84 | #define PAS_DMA_RXINT_RCMDSTA_DROPS_S 17 | |
85 | #define PAS_DMA_RXINT_CFG(i) (0x204+(i)*_PAS_DMA_RXINT_STRIDE) | |
86 | #define PAS_DMA_RXINT_CFG_RBP 0x80000000 | |
87 | #define PAS_DMA_RXINT_CFG_ITRR 0x40000000 | |
88 | #define PAS_DMA_RXINT_CFG_DHL_M 0x07000000 | |
89 | #define PAS_DMA_RXINT_CFG_DHL_S 24 | |
90 | #define PAS_DMA_RXINT_CFG_DHL(x) (((x) << PAS_DMA_RXINT_CFG_DHL_S) & \ | |
91 | PAS_DMA_RXINT_CFG_DHL_M) | |
92 | #define PAS_DMA_RXINT_CFG_ITR 0x00400000 | |
93 | #define PAS_DMA_RXINT_CFG_LW 0x00200000 | |
94 | #define PAS_DMA_RXINT_CFG_L2 0x00100000 | |
95 | #define PAS_DMA_RXINT_CFG_HEN 0x00080000 | |
96 | #define PAS_DMA_RXINT_CFG_WIF 0x00000002 | |
97 | #define PAS_DMA_RXINT_CFG_WIL 0x00000001 | |
98 | ||
99 | #define PAS_DMA_RXINT_INCR(i) (0x210+(i)*_PAS_DMA_RXINT_STRIDE) | |
100 | #define PAS_DMA_RXINT_INCR_INCR_M 0x0000ffff | |
101 | #define PAS_DMA_RXINT_INCR_INCR_S 0 | |
102 | #define PAS_DMA_RXINT_INCR_INCR(x) ((x) & 0x0000ffff) | |
103 | #define PAS_DMA_RXINT_BASEL(i) (0x218+(i)*_PAS_DMA_RXINT_STRIDE) | |
104 | #define PAS_DMA_RXINT_BASEL_BRBL(x) ((x) & ~0x3f) | |
105 | #define PAS_DMA_RXINT_BASEU(i) (0x21c+(i)*_PAS_DMA_RXINT_STRIDE) | |
106 | #define PAS_DMA_RXINT_BASEU_BRBH(x) ((x) & 0xfff) | |
107 | #define PAS_DMA_RXINT_BASEU_SIZ_M 0x3fff0000 /* # of cache lines worth of buffer ring */ | |
108 | #define PAS_DMA_RXINT_BASEU_SIZ_S 16 /* 0 = 16K */ | |
109 | #define PAS_DMA_RXINT_BASEU_SIZ(x) (((x) << PAS_DMA_RXINT_BASEU_SIZ_S) & \ | |
110 | PAS_DMA_RXINT_BASEU_SIZ_M) | |
111 | ||
112 | ||
113 | #define _PAS_DMA_TXCHAN_STRIDE 0x20 /* Size per channel */ | |
114 | #define _PAS_DMA_TXCHAN_TCMDSTA 0x300 /* Command / Status */ | |
115 | #define _PAS_DMA_TXCHAN_CFG 0x304 /* Configuration */ | |
116 | #define _PAS_DMA_TXCHAN_DSCRBU 0x308 /* Descriptor BU Allocation */ | |
117 | #define _PAS_DMA_TXCHAN_INCR 0x310 /* Descriptor increment */ | |
118 | #define _PAS_DMA_TXCHAN_CNT 0x314 /* Descriptor count/offset */ | |
119 | #define _PAS_DMA_TXCHAN_BASEL 0x318 /* Descriptor ring base (low) */ | |
120 | #define _PAS_DMA_TXCHAN_BASEU 0x31c /* (high) */ | |
121 | #define PAS_DMA_TXCHAN_TCMDSTA(c) (0x300+(c)*_PAS_DMA_TXCHAN_STRIDE) | |
122 | #define PAS_DMA_TXCHAN_TCMDSTA_EN 0x00000001 /* Enabled */ | |
123 | #define PAS_DMA_TXCHAN_TCMDSTA_ST 0x00000002 /* Stop interface */ | |
124 | #define PAS_DMA_TXCHAN_TCMDSTA_ACT 0x00010000 /* Active */ | |
125 | #define PAS_DMA_TXCHAN_TCMDSTA_SZ 0x00000800 | |
126 | #define PAS_DMA_TXCHAN_TCMDSTA_DB 0x00000400 | |
127 | #define PAS_DMA_TXCHAN_TCMDSTA_DE 0x00000200 | |
128 | #define PAS_DMA_TXCHAN_TCMDSTA_DA 0x00000100 | |
129 | #define PAS_DMA_TXCHAN_CFG(c) (0x304+(c)*_PAS_DMA_TXCHAN_STRIDE) | |
130 | #define PAS_DMA_TXCHAN_CFG_TY_IFACE 0x00000000 /* Type = interface */ | |
131 | #define PAS_DMA_TXCHAN_CFG_TATTR_M 0x0000003c | |
132 | #define PAS_DMA_TXCHAN_CFG_TATTR_S 2 | |
133 | #define PAS_DMA_TXCHAN_CFG_TATTR(x) (((x) << PAS_DMA_TXCHAN_CFG_TATTR_S) & \ | |
134 | PAS_DMA_TXCHAN_CFG_TATTR_M) | |
135 | #define PAS_DMA_TXCHAN_CFG_WT_M 0x000001c0 | |
136 | #define PAS_DMA_TXCHAN_CFG_WT_S 6 | |
137 | #define PAS_DMA_TXCHAN_CFG_WT(x) (((x) << PAS_DMA_TXCHAN_CFG_WT_S) & \ | |
138 | PAS_DMA_TXCHAN_CFG_WT_M) | |
139 | #define PAS_DMA_TXCHAN_CFG_TRD 0x00010000 /* translate data */ | |
140 | #define PAS_DMA_TXCHAN_CFG_TRR 0x00008000 /* translate rings */ | |
141 | #define PAS_DMA_TXCHAN_CFG_UP 0x00004000 /* update tx descr when sent */ | |
142 | #define PAS_DMA_TXCHAN_CFG_CL 0x00002000 /* Clean last line */ | |
143 | #define PAS_DMA_TXCHAN_CFG_CF 0x00001000 /* Clean first line */ | |
144 | #define PAS_DMA_TXCHAN_INCR(c) (0x310+(c)*_PAS_DMA_TXCHAN_STRIDE) | |
145 | #define PAS_DMA_TXCHAN_BASEL(c) (0x318+(c)*_PAS_DMA_TXCHAN_STRIDE) | |
146 | #define PAS_DMA_TXCHAN_BASEL_BRBL_M 0xffffffc0 | |
147 | #define PAS_DMA_TXCHAN_BASEL_BRBL_S 0 | |
148 | #define PAS_DMA_TXCHAN_BASEL_BRBL(x) (((x) << PAS_DMA_TXCHAN_BASEL_BRBL_S) & \ | |
149 | PAS_DMA_TXCHAN_BASEL_BRBL_M) | |
150 | #define PAS_DMA_TXCHAN_BASEU(c) (0x31c+(c)*_PAS_DMA_TXCHAN_STRIDE) | |
151 | #define PAS_DMA_TXCHAN_BASEU_BRBH_M 0x00000fff | |
152 | #define PAS_DMA_TXCHAN_BASEU_BRBH_S 0 | |
153 | #define PAS_DMA_TXCHAN_BASEU_BRBH(x) (((x) << PAS_DMA_TXCHAN_BASEU_BRBH_S) & \ | |
154 | PAS_DMA_TXCHAN_BASEU_BRBH_M) | |
155 | /* # of cache lines worth of buffer ring */ | |
156 | #define PAS_DMA_TXCHAN_BASEU_SIZ_M 0x3fff0000 | |
157 | #define PAS_DMA_TXCHAN_BASEU_SIZ_S 16 /* 0 = 16K */ | |
158 | #define PAS_DMA_TXCHAN_BASEU_SIZ(x) (((x) << PAS_DMA_TXCHAN_BASEU_SIZ_S) & \ | |
159 | PAS_DMA_TXCHAN_BASEU_SIZ_M) | |
160 | ||
161 | #define _PAS_DMA_RXCHAN_STRIDE 0x20 /* Size per channel */ | |
162 | #define _PAS_DMA_RXCHAN_CCMDSTA 0x800 /* Command / Status */ | |
163 | #define _PAS_DMA_RXCHAN_CFG 0x804 /* Configuration */ | |
164 | #define _PAS_DMA_RXCHAN_INCR 0x810 /* Descriptor increment */ | |
165 | #define _PAS_DMA_RXCHAN_CNT 0x814 /* Descriptor count/offset */ | |
166 | #define _PAS_DMA_RXCHAN_BASEL 0x818 /* Descriptor ring base (low) */ | |
167 | #define _PAS_DMA_RXCHAN_BASEU 0x81c /* (high) */ | |
168 | #define PAS_DMA_RXCHAN_CCMDSTA(c) (0x800+(c)*_PAS_DMA_RXCHAN_STRIDE) | |
169 | #define PAS_DMA_RXCHAN_CCMDSTA_EN 0x00000001 /* Enabled */ | |
170 | #define PAS_DMA_RXCHAN_CCMDSTA_ST 0x00000002 /* Stop interface */ | |
171 | #define PAS_DMA_RXCHAN_CCMDSTA_ACT 0x00010000 /* Active */ | |
172 | #define PAS_DMA_RXCHAN_CCMDSTA_DU 0x00020000 | |
173 | #define PAS_DMA_RXCHAN_CCMDSTA_OD 0x00002000 | |
174 | #define PAS_DMA_RXCHAN_CCMDSTA_FD 0x00001000 | |
175 | #define PAS_DMA_RXCHAN_CCMDSTA_DT 0x00000800 | |
176 | #define PAS_DMA_RXCHAN_CFG(c) (0x804+(c)*_PAS_DMA_RXCHAN_STRIDE) | |
177 | #define PAS_DMA_RXCHAN_CFG_CTR 0x00000400 | |
178 | #define PAS_DMA_RXCHAN_CFG_HBU_M 0x00000380 | |
179 | #define PAS_DMA_RXCHAN_CFG_HBU_S 7 | |
180 | #define PAS_DMA_RXCHAN_CFG_HBU(x) (((x) << PAS_DMA_RXCHAN_CFG_HBU_S) & \ | |
181 | PAS_DMA_RXCHAN_CFG_HBU_M) | |
182 | #define PAS_DMA_RXCHAN_INCR(c) (0x810+(c)*_PAS_DMA_RXCHAN_STRIDE) | |
183 | #define PAS_DMA_RXCHAN_BASEL(c) (0x818+(c)*_PAS_DMA_RXCHAN_STRIDE) | |
184 | #define PAS_DMA_RXCHAN_BASEL_BRBL_M 0xffffffc0 | |
185 | #define PAS_DMA_RXCHAN_BASEL_BRBL_S 0 | |
186 | #define PAS_DMA_RXCHAN_BASEL_BRBL(x) (((x) << PAS_DMA_RXCHAN_BASEL_BRBL_S) & \ | |
187 | PAS_DMA_RXCHAN_BASEL_BRBL_M) | |
188 | #define PAS_DMA_RXCHAN_BASEU(c) (0x81c+(c)*_PAS_DMA_RXCHAN_STRIDE) | |
189 | #define PAS_DMA_RXCHAN_BASEU_BRBH_M 0x00000fff | |
190 | #define PAS_DMA_RXCHAN_BASEU_BRBH_S 0 | |
191 | #define PAS_DMA_RXCHAN_BASEU_BRBH(x) (((x) << PAS_DMA_RXCHAN_BASEU_BRBH_S) & \ | |
192 | PAS_DMA_RXCHAN_BASEU_BRBH_M) | |
193 | /* # of cache lines worth of buffer ring */ | |
194 | #define PAS_DMA_RXCHAN_BASEU_SIZ_M 0x3fff0000 | |
195 | #define PAS_DMA_RXCHAN_BASEU_SIZ_S 16 /* 0 = 16K */ | |
196 | #define PAS_DMA_RXCHAN_BASEU_SIZ(x) (((x) << PAS_DMA_RXCHAN_BASEU_SIZ_S) & \ | |
197 | PAS_DMA_RXCHAN_BASEU_SIZ_M) | |
198 | ||
199 | #define PAS_STATUS_PCNT_M 0x000000000000ffffull | |
200 | #define PAS_STATUS_PCNT_S 0 | |
201 | #define PAS_STATUS_DCNT_M 0x00000000ffff0000ull | |
202 | #define PAS_STATUS_DCNT_S 16 | |
203 | #define PAS_STATUS_BPCNT_M 0x0000ffff00000000ull | |
204 | #define PAS_STATUS_BPCNT_S 32 | |
205 | #define PAS_STATUS_CAUSE_M 0xf000000000000000ull | |
206 | #define PAS_STATUS_TIMER 0x1000000000000000ull | |
207 | #define PAS_STATUS_ERROR 0x2000000000000000ull | |
208 | #define PAS_STATUS_SOFT 0x4000000000000000ull | |
209 | #define PAS_STATUS_INT 0x8000000000000000ull | |
210 | ||
211 | #define PAS_IOB_COM_PKTHDRCNT 0x120 | |
212 | #define PAS_IOB_COM_PKTHDRCNT_PKTHDR1_M 0x0fff0000 | |
213 | #define PAS_IOB_COM_PKTHDRCNT_PKTHDR1_S 16 | |
214 | #define PAS_IOB_COM_PKTHDRCNT_PKTHDR0_M 0x00000fff | |
215 | #define PAS_IOB_COM_PKTHDRCNT_PKTHDR0_S 0 | |
216 | ||
217 | #define PAS_IOB_DMA_RXCH_CFG(i) (0x1100 + (i)*4) | |
218 | #define PAS_IOB_DMA_RXCH_CFG_CNTTH_M 0x00000fff | |
219 | #define PAS_IOB_DMA_RXCH_CFG_CNTTH_S 0 | |
220 | #define PAS_IOB_DMA_RXCH_CFG_CNTTH(x) (((x) << PAS_IOB_DMA_RXCH_CFG_CNTTH_S) & \ | |
221 | PAS_IOB_DMA_RXCH_CFG_CNTTH_M) | |
222 | #define PAS_IOB_DMA_TXCH_CFG(i) (0x1200 + (i)*4) | |
223 | #define PAS_IOB_DMA_TXCH_CFG_CNTTH_M 0x00000fff | |
224 | #define PAS_IOB_DMA_TXCH_CFG_CNTTH_S 0 | |
225 | #define PAS_IOB_DMA_TXCH_CFG_CNTTH(x) (((x) << PAS_IOB_DMA_TXCH_CFG_CNTTH_S) & \ | |
226 | PAS_IOB_DMA_TXCH_CFG_CNTTH_M) | |
227 | #define PAS_IOB_DMA_RXCH_STAT(i) (0x1300 + (i)*4) | |
228 | #define PAS_IOB_DMA_RXCH_STAT_INTGEN 0x00001000 | |
229 | #define PAS_IOB_DMA_RXCH_STAT_CNTDEL_M 0x00000fff | |
230 | #define PAS_IOB_DMA_RXCH_STAT_CNTDEL_S 0 | |
231 | #define PAS_IOB_DMA_RXCH_STAT_CNTDEL(x) (((x) << PAS_IOB_DMA_RXCH_STAT_CNTDEL_S) &\ | |
232 | PAS_IOB_DMA_RXCH_STAT_CNTDEL_M) | |
233 | #define PAS_IOB_DMA_TXCH_STAT(i) (0x1400 + (i)*4) | |
234 | #define PAS_IOB_DMA_TXCH_STAT_INTGEN 0x00001000 | |
235 | #define PAS_IOB_DMA_TXCH_STAT_CNTDEL_M 0x00000fff | |
236 | #define PAS_IOB_DMA_TXCH_STAT_CNTDEL_S 0 | |
237 | #define PAS_IOB_DMA_TXCH_STAT_CNTDEL(x) (((x) << PAS_IOB_DMA_TXCH_STAT_CNTDEL_S) &\ | |
238 | PAS_IOB_DMA_TXCH_STAT_CNTDEL_M) | |
239 | #define PAS_IOB_DMA_RXCH_RESET(i) (0x1500 + (i)*4) | |
240 | #define PAS_IOB_DMA_RXCH_RESET_PCNT_M 0xffff0000 | |
241 | #define PAS_IOB_DMA_RXCH_RESET_PCNT_S 16 | |
242 | #define PAS_IOB_DMA_RXCH_RESET_PCNT(x) (((x) << PAS_IOB_DMA_RXCH_RESET_PCNT_S) & \ | |
243 | PAS_IOB_DMA_RXCH_RESET_PCNT_M) | |
244 | #define PAS_IOB_DMA_RXCH_RESET_PCNTRST 0x00000020 | |
245 | #define PAS_IOB_DMA_RXCH_RESET_DCNTRST 0x00000010 | |
246 | #define PAS_IOB_DMA_RXCH_RESET_TINTC 0x00000008 | |
247 | #define PAS_IOB_DMA_RXCH_RESET_DINTC 0x00000004 | |
248 | #define PAS_IOB_DMA_RXCH_RESET_SINTC 0x00000002 | |
249 | #define PAS_IOB_DMA_RXCH_RESET_PINTC 0x00000001 | |
250 | #define PAS_IOB_DMA_TXCH_RESET(i) (0x1600 + (i)*4) | |
251 | #define PAS_IOB_DMA_TXCH_RESET_PCNT_M 0xffff0000 | |
252 | #define PAS_IOB_DMA_TXCH_RESET_PCNT_S 16 | |
253 | #define PAS_IOB_DMA_TXCH_RESET_PCNT(x) (((x) << PAS_IOB_DMA_TXCH_RESET_PCNT_S) & \ | |
254 | PAS_IOB_DMA_TXCH_RESET_PCNT_M) | |
255 | #define PAS_IOB_DMA_TXCH_RESET_PCNTRST 0x00000020 | |
256 | #define PAS_IOB_DMA_TXCH_RESET_DCNTRST 0x00000010 | |
257 | #define PAS_IOB_DMA_TXCH_RESET_TINTC 0x00000008 | |
258 | #define PAS_IOB_DMA_TXCH_RESET_DINTC 0x00000004 | |
259 | #define PAS_IOB_DMA_TXCH_RESET_SINTC 0x00000002 | |
260 | #define PAS_IOB_DMA_TXCH_RESET_PINTC 0x00000001 | |
261 | ||
262 | #define PAS_IOB_DMA_COM_TIMEOUTCFG 0x1700 | |
263 | #define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_M 0x00ffffff | |
264 | #define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_S 0 | |
265 | #define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT(x) (((x) << PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_S) & \ | |
266 | PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_M) | |
267 | ||
268 | /* Transmit descriptor fields */ | |
269 | #define XCT_MACTX_T 0x8000000000000000ull | |
270 | #define XCT_MACTX_ST 0x4000000000000000ull | |
271 | #define XCT_MACTX_NORES 0x0000000000000000ull | |
272 | #define XCT_MACTX_8BRES 0x1000000000000000ull | |
273 | #define XCT_MACTX_24BRES 0x2000000000000000ull | |
274 | #define XCT_MACTX_40BRES 0x3000000000000000ull | |
275 | #define XCT_MACTX_I 0x0800000000000000ull | |
276 | #define XCT_MACTX_O 0x0400000000000000ull | |
277 | #define XCT_MACTX_E 0x0200000000000000ull | |
278 | #define XCT_MACTX_VLAN_M 0x0180000000000000ull | |
279 | #define XCT_MACTX_VLAN_NOP 0x0000000000000000ull | |
280 | #define XCT_MACTX_VLAN_REMOVE 0x0080000000000000ull | |
281 | #define XCT_MACTX_VLAN_INSERT 0x0100000000000000ull | |
282 | #define XCT_MACTX_VLAN_REPLACE 0x0180000000000000ull | |
283 | #define XCT_MACTX_CRC_M 0x0060000000000000ull | |
284 | #define XCT_MACTX_CRC_NOP 0x0000000000000000ull | |
285 | #define XCT_MACTX_CRC_INSERT 0x0020000000000000ull | |
286 | #define XCT_MACTX_CRC_PAD 0x0040000000000000ull | |
287 | #define XCT_MACTX_CRC_REPLACE 0x0060000000000000ull | |
288 | #define XCT_MACTX_SS 0x0010000000000000ull | |
289 | #define XCT_MACTX_LLEN_M 0x00007fff00000000ull | |
290 | #define XCT_MACTX_LLEN_S 32ull | |
291 | #define XCT_MACTX_LLEN(x) ((((long)(x)) << XCT_MACTX_LLEN_S) & \ | |
292 | XCT_MACTX_LLEN_M) | |
293 | #define XCT_MACTX_IPH_M 0x00000000f8000000ull | |
294 | #define XCT_MACTX_IPH_S 27ull | |
295 | #define XCT_MACTX_IPH(x) ((((long)(x)) << XCT_MACTX_IPH_S) & \ | |
296 | XCT_MACTX_IPH_M) | |
297 | #define XCT_MACTX_IPO_M 0x0000000007c00000ull | |
298 | #define XCT_MACTX_IPO_S 22ull | |
299 | #define XCT_MACTX_IPO(x) ((((long)(x)) << XCT_MACTX_IPO_S) & \ | |
300 | XCT_MACTX_IPO_M) | |
301 | #define XCT_MACTX_CSUM_M 0x0000000000000060ull | |
302 | #define XCT_MACTX_CSUM_NOP 0x0000000000000000ull | |
303 | #define XCT_MACTX_CSUM_TCP 0x0000000000000040ull | |
304 | #define XCT_MACTX_CSUM_UDP 0x0000000000000060ull | |
305 | #define XCT_MACTX_V6 0x0000000000000010ull | |
306 | #define XCT_MACTX_C 0x0000000000000004ull | |
307 | #define XCT_MACTX_AL2 0x0000000000000002ull | |
308 | ||
309 | /* Receive descriptor fields */ | |
310 | #define XCT_MACRX_T 0x8000000000000000ull | |
311 | #define XCT_MACRX_ST 0x4000000000000000ull | |
312 | #define XCT_MACRX_RR_M 0x3000000000000000ull | |
313 | #define XCT_MACRX_RR_NORES 0x0000000000000000ull | |
314 | #define XCT_MACRX_RR_8BRES 0x1000000000000000ull | |
315 | #define XCT_MACRX_O 0x0400000000000000ull | |
316 | #define XCT_MACRX_E 0x0200000000000000ull | |
317 | #define XCT_MACRX_FF 0x0100000000000000ull | |
318 | #define XCT_MACRX_PF 0x0080000000000000ull | |
319 | #define XCT_MACRX_OB 0x0040000000000000ull | |
320 | #define XCT_MACRX_OD 0x0020000000000000ull | |
321 | #define XCT_MACRX_FS 0x0010000000000000ull | |
322 | #define XCT_MACRX_NB_M 0x000fc00000000000ull | |
323 | #define XCT_MACRX_NB_S 46ULL | |
324 | #define XCT_MACRX_NB(x) ((((long)(x)) << XCT_MACRX_NB_S) & \ | |
325 | XCT_MACRX_NB_M) | |
326 | #define XCT_MACRX_LLEN_M 0x00003fff00000000ull | |
327 | #define XCT_MACRX_LLEN_S 32ULL | |
328 | #define XCT_MACRX_LLEN(x) ((((long)(x)) << XCT_MACRX_LLEN_S) & \ | |
329 | XCT_MACRX_LLEN_M) | |
330 | #define XCT_MACRX_CRC 0x0000000080000000ull | |
331 | #define XCT_MACRX_LEN_M 0x0000000060000000ull | |
332 | #define XCT_MACRX_LEN_TOOSHORT 0x0000000020000000ull | |
333 | #define XCT_MACRX_LEN_BELOWMIN 0x0000000040000000ull | |
334 | #define XCT_MACRX_LEN_TRUNC 0x0000000060000000ull | |
335 | #define XCT_MACRX_CAST_M 0x0000000018000000ull | |
336 | #define XCT_MACRX_CAST_UNI 0x0000000000000000ull | |
337 | #define XCT_MACRX_CAST_MULTI 0x0000000008000000ull | |
338 | #define XCT_MACRX_CAST_BROAD 0x0000000010000000ull | |
339 | #define XCT_MACRX_CAST_PAUSE 0x0000000018000000ull | |
340 | #define XCT_MACRX_VLC_M 0x0000000006000000ull | |
341 | #define XCT_MACRX_FM 0x0000000001000000ull | |
342 | #define XCT_MACRX_HTY_M 0x0000000000c00000ull | |
343 | #define XCT_MACRX_HTY_IPV4_OK 0x0000000000000000ull | |
344 | #define XCT_MACRX_HTY_IPV6 0x0000000000400000ull | |
345 | #define XCT_MACRX_HTY_IPV4_BAD 0x0000000000800000ull | |
346 | #define XCT_MACRX_HTY_NONIP 0x0000000000c00000ull | |
347 | #define XCT_MACRX_IPP_M 0x00000000003f0000ull | |
348 | #define XCT_MACRX_IPP_S 16 | |
349 | #define XCT_MACRX_CSUM_M 0x000000000000ffffull | |
350 | #define XCT_MACRX_CSUM_S 0 | |
351 | ||
352 | #define XCT_PTR_T 0x8000000000000000ull | |
353 | #define XCT_PTR_LEN_M 0x7ffff00000000000ull | |
354 | #define XCT_PTR_LEN_S 44 | |
355 | #define XCT_PTR_LEN(x) ((((long)(x)) << XCT_PTR_LEN_S) & \ | |
356 | XCT_PTR_LEN_M) | |
357 | #define XCT_PTR_ADDR_M 0x00000fffffffffffull | |
358 | #define XCT_PTR_ADDR_S 0 | |
359 | #define XCT_PTR_ADDR(x) ((((long)(x)) << XCT_PTR_ADDR_S) & \ | |
360 | XCT_PTR_ADDR_M) | |
361 | ||
362 | /* Receive interface 8byte result fields */ | |
363 | #define XCT_RXRES_8B_L4O_M 0xff00000000000000ull | |
364 | #define XCT_RXRES_8B_L4O_S 56 | |
365 | #define XCT_RXRES_8B_RULE_M 0x00ffff0000000000ull | |
366 | #define XCT_RXRES_8B_RULE_S 40 | |
367 | #define XCT_RXRES_8B_EVAL_M 0x000000ffff000000ull | |
368 | #define XCT_RXRES_8B_EVAL_S 24 | |
369 | #define XCT_RXRES_8B_HTYPE_M 0x0000000000f00000ull | |
370 | #define XCT_RXRES_8B_HASH_M 0x00000000000fffffull | |
371 | #define XCT_RXRES_8B_HASH_S 0 | |
372 | ||
373 | /* Receive interface buffer fields */ | |
374 | #define XCT_RXB_LEN_M 0x0ffff00000000000ull | |
375 | #define XCT_RXB_LEN_S 44 | |
376 | #define XCT_RXB_LEN(x) ((((long)(x)) << XCT_RXB_LEN_S) & \ | |
377 | XCT_RXB_LEN_M) | |
378 | #define XCT_RXB_ADDR_M 0x00000fffffffffffull | |
379 | #define XCT_RXB_ADDR_S 0 | |
380 | #define XCT_RXB_ADDR(x) ((((long)(x)) << XCT_RXB_ADDR_S) & \ | |
381 | XCT_RXB_ADDR_M) | |
382 | ||
383 | /* Copy descriptor fields */ | |
384 | #define XCT_COPY_T 0x8000000000000000ull | |
385 | #define XCT_COPY_ST 0x4000000000000000ull | |
386 | #define XCT_COPY_RR_M 0x3000000000000000ull | |
387 | #define XCT_COPY_RR_NORES 0x0000000000000000ull | |
388 | #define XCT_COPY_RR_8BRES 0x1000000000000000ull | |
389 | #define XCT_COPY_RR_24BRES 0x2000000000000000ull | |
390 | #define XCT_COPY_RR_40BRES 0x3000000000000000ull | |
391 | #define XCT_COPY_I 0x0800000000000000ull | |
392 | #define XCT_COPY_O 0x0400000000000000ull | |
393 | #define XCT_COPY_E 0x0200000000000000ull | |
394 | #define XCT_COPY_STY_ZERO 0x01c0000000000000ull | |
395 | #define XCT_COPY_DTY_PREF 0x0038000000000000ull | |
396 | #define XCT_COPY_LLEN_M 0x0007ffff00000000ull | |
397 | #define XCT_COPY_LLEN_S 32 | |
398 | #define XCT_COPY_LLEN(x) ((((long)(x)) << XCT_COPY_LLEN_S) & \ | |
399 | XCT_COPY_LLEN_M) | |
400 | #define XCT_COPY_SE 0x0000000000000001ull | |
401 | ||
402 | /* Control descriptor fields */ | |
403 | #define CTRL_CMD_T 0x8000000000000000ull | |
404 | #define CTRL_CMD_META_EVT 0x2000000000000000ull | |
405 | #define CTRL_CMD_O 0x0400000000000000ull | |
406 | #define CTRL_CMD_REG_M 0x000000000000000full | |
407 | #define CTRL_CMD_REG_S 0 | |
408 | #define CTRL_CMD_REG(x) ((((long)(x)) << CTRL_CMD_REG_S) & \ | |
409 | CTRL_CMD_REG_M) | |
410 | ||
411 | ||
8ee9d857 OJ |
412 | |
413 | /* Prototypes for the shared DMA functions in the platform code. */ | |
414 | ||
415 | /* DMA TX Channel type. Right now only limitations used are event types 0/1, | |
416 | * for event-triggered DMA transactions. | |
417 | */ | |
418 | ||
419 | enum pasemi_dmachan_type { | |
420 | RXCHAN = 0, /* Any RX chan */ | |
421 | TXCHAN = 1, /* Any TX chan */ | |
422 | TXCHAN_EVT0 = 0x1001, /* TX chan in event class 0 (chan 0-9) */ | |
423 | TXCHAN_EVT1 = 0x2001, /* TX chan in event class 1 (chan 10-19) */ | |
424 | }; | |
425 | ||
426 | struct pasemi_dmachan { | |
427 | int chno; /* Channel number */ | |
428 | enum pasemi_dmachan_type chan_type; /* TX / RX */ | |
429 | u64 *status; /* Ptr to cacheable status */ | |
430 | int irq; /* IRQ used by channel */ | |
431 | unsigned int ring_size; /* size of allocated ring */ | |
432 | dma_addr_t ring_dma; /* DMA address for ring */ | |
433 | u64 *ring_virt; /* Virt address for ring */ | |
434 | void *priv; /* Ptr to start of client struct */ | |
435 | }; | |
436 | ||
437 | /* Read/write the different registers in the I/O Bridge, Ethernet | |
438 | * and DMA Controller | |
439 | */ | |
440 | extern unsigned int pasemi_read_iob_reg(unsigned int reg); | |
441 | extern void pasemi_write_iob_reg(unsigned int reg, unsigned int val); | |
442 | ||
443 | extern unsigned int pasemi_read_mac_reg(int intf, unsigned int reg); | |
444 | extern void pasemi_write_mac_reg(int intf, unsigned int reg, unsigned int val); | |
445 | ||
446 | extern unsigned int pasemi_read_dma_reg(unsigned int reg); | |
447 | extern void pasemi_write_dma_reg(unsigned int reg, unsigned int val); | |
448 | ||
449 | /* Channel management routines */ | |
450 | ||
451 | extern void *pasemi_dma_alloc_chan(enum pasemi_dmachan_type type, | |
452 | int total_size, int offset); | |
453 | extern void pasemi_dma_free_chan(struct pasemi_dmachan *chan); | |
454 | ||
455 | extern void pasemi_dma_start_chan(const struct pasemi_dmachan *chan, | |
456 | const u32 cmdsta); | |
457 | extern int pasemi_dma_stop_chan(const struct pasemi_dmachan *chan); | |
458 | ||
459 | /* Common routines to allocate rings and buffers */ | |
460 | ||
461 | extern int pasemi_dma_alloc_ring(struct pasemi_dmachan *chan, int ring_size); | |
462 | extern void pasemi_dma_free_ring(struct pasemi_dmachan *chan); | |
463 | ||
464 | extern void *pasemi_dma_alloc_buf(struct pasemi_dmachan *chan, int size, | |
465 | dma_addr_t *handle); | |
466 | extern void pasemi_dma_free_buf(struct pasemi_dmachan *chan, int size, | |
467 | dma_addr_t *handle); | |
468 | ||
469 | /* Initialize the library, must be called before any other functions */ | |
470 | extern int pasemi_dma_init(void); | |
471 | ||
40afa531 | 472 | #endif /* ASM_PASEMI_DMA_H */ |