diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 04:55:03 -0400 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 04:55:03 -0400 |
commit | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch) | |
tree | d240e4d40357583e3f3eb228dccf20122a5b31ed /arch/powerpc/include/asm/pasemi_dma.h | |
parent | f44f82e8a20b98558486eb14497b2f71c78fa325 (diff) | |
parent | 64a99d2a8c3ed5c4e39f3ae1cc682aa8fd3977fc (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Diffstat (limited to 'arch/powerpc/include/asm/pasemi_dma.h')
-rw-r--r-- | arch/powerpc/include/asm/pasemi_dma.h | 538 |
1 files changed, 538 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pasemi_dma.h b/arch/powerpc/include/asm/pasemi_dma.h new file mode 100644 index 000000000000..19fd7933e2d9 --- /dev/null +++ b/arch/powerpc/include/asm/pasemi_dma.h | |||
@@ -0,0 +1,538 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2006-2008 PA Semi, Inc | ||
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 { | ||
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 */ | ||
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 */ | ||
48 | }; | ||
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 | |||
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_TY_COPY 0x00000001 /* Type = copy only */ | ||
132 | #define PAS_DMA_TXCHAN_CFG_TY_FUNC 0x00000002 /* Type = function */ | ||
133 | #define PAS_DMA_TXCHAN_CFG_TY_XOR 0x00000003 /* Type = xor only */ | ||
134 | #define PAS_DMA_TXCHAN_CFG_TATTR_M 0x0000003c | ||
135 | #define PAS_DMA_TXCHAN_CFG_TATTR_S 2 | ||
136 | #define PAS_DMA_TXCHAN_CFG_TATTR(x) (((x) << PAS_DMA_TXCHAN_CFG_TATTR_S) & \ | ||
137 | PAS_DMA_TXCHAN_CFG_TATTR_M) | ||
138 | #define PAS_DMA_TXCHAN_CFG_LPDQ 0x00000800 | ||
139 | #define PAS_DMA_TXCHAN_CFG_LPSQ 0x00000400 | ||
140 | #define PAS_DMA_TXCHAN_CFG_WT_M 0x000003c0 | ||
141 | #define PAS_DMA_TXCHAN_CFG_WT_S 6 | ||
142 | #define PAS_DMA_TXCHAN_CFG_WT(x) (((x) << PAS_DMA_TXCHAN_CFG_WT_S) & \ | ||
143 | PAS_DMA_TXCHAN_CFG_WT_M) | ||
144 | #define PAS_DMA_TXCHAN_CFG_TRD 0x00010000 /* translate data */ | ||
145 | #define PAS_DMA_TXCHAN_CFG_TRR 0x00008000 /* translate rings */ | ||
146 | #define PAS_DMA_TXCHAN_CFG_UP 0x00004000 /* update tx descr when sent */ | ||
147 | #define PAS_DMA_TXCHAN_CFG_CL 0x00002000 /* Clean last line */ | ||
148 | #define PAS_DMA_TXCHAN_CFG_CF 0x00001000 /* Clean first line */ | ||
149 | #define PAS_DMA_TXCHAN_INCR(c) (0x310+(c)*_PAS_DMA_TXCHAN_STRIDE) | ||
150 | #define PAS_DMA_TXCHAN_BASEL(c) (0x318+(c)*_PAS_DMA_TXCHAN_STRIDE) | ||
151 | #define PAS_DMA_TXCHAN_BASEL_BRBL_M 0xffffffc0 | ||
152 | #define PAS_DMA_TXCHAN_BASEL_BRBL_S 0 | ||
153 | #define PAS_DMA_TXCHAN_BASEL_BRBL(x) (((x) << PAS_DMA_TXCHAN_BASEL_BRBL_S) & \ | ||
154 | PAS_DMA_TXCHAN_BASEL_BRBL_M) | ||
155 | #define PAS_DMA_TXCHAN_BASEU(c) (0x31c+(c)*_PAS_DMA_TXCHAN_STRIDE) | ||
156 | #define PAS_DMA_TXCHAN_BASEU_BRBH_M 0x00000fff | ||
157 | #define PAS_DMA_TXCHAN_BASEU_BRBH_S 0 | ||
158 | #define PAS_DMA_TXCHAN_BASEU_BRBH(x) (((x) << PAS_DMA_TXCHAN_BASEU_BRBH_S) & \ | ||
159 | PAS_DMA_TXCHAN_BASEU_BRBH_M) | ||
160 | /* # of cache lines worth of buffer ring */ | ||
161 | #define PAS_DMA_TXCHAN_BASEU_SIZ_M 0x3fff0000 | ||
162 | #define PAS_DMA_TXCHAN_BASEU_SIZ_S 16 /* 0 = 16K */ | ||
163 | #define PAS_DMA_TXCHAN_BASEU_SIZ(x) (((x) << PAS_DMA_TXCHAN_BASEU_SIZ_S) & \ | ||
164 | PAS_DMA_TXCHAN_BASEU_SIZ_M) | ||
165 | |||
166 | #define _PAS_DMA_RXCHAN_STRIDE 0x20 /* Size per channel */ | ||
167 | #define _PAS_DMA_RXCHAN_CCMDSTA 0x800 /* Command / Status */ | ||
168 | #define _PAS_DMA_RXCHAN_CFG 0x804 /* Configuration */ | ||
169 | #define _PAS_DMA_RXCHAN_INCR 0x810 /* Descriptor increment */ | ||
170 | #define _PAS_DMA_RXCHAN_CNT 0x814 /* Descriptor count/offset */ | ||
171 | #define _PAS_DMA_RXCHAN_BASEL 0x818 /* Descriptor ring base (low) */ | ||
172 | #define _PAS_DMA_RXCHAN_BASEU 0x81c /* (high) */ | ||
173 | #define PAS_DMA_RXCHAN_CCMDSTA(c) (0x800+(c)*_PAS_DMA_RXCHAN_STRIDE) | ||
174 | #define PAS_DMA_RXCHAN_CCMDSTA_EN 0x00000001 /* Enabled */ | ||
175 | #define PAS_DMA_RXCHAN_CCMDSTA_ST 0x00000002 /* Stop interface */ | ||
176 | #define PAS_DMA_RXCHAN_CCMDSTA_ACT 0x00010000 /* Active */ | ||
177 | #define PAS_DMA_RXCHAN_CCMDSTA_DU 0x00020000 | ||
178 | #define PAS_DMA_RXCHAN_CCMDSTA_OD 0x00002000 | ||
179 | #define PAS_DMA_RXCHAN_CCMDSTA_FD 0x00001000 | ||
180 | #define PAS_DMA_RXCHAN_CCMDSTA_DT 0x00000800 | ||
181 | #define PAS_DMA_RXCHAN_CFG(c) (0x804+(c)*_PAS_DMA_RXCHAN_STRIDE) | ||
182 | #define PAS_DMA_RXCHAN_CFG_CTR 0x00000400 | ||
183 | #define PAS_DMA_RXCHAN_CFG_HBU_M 0x00000380 | ||
184 | #define PAS_DMA_RXCHAN_CFG_HBU_S 7 | ||
185 | #define PAS_DMA_RXCHAN_CFG_HBU(x) (((x) << PAS_DMA_RXCHAN_CFG_HBU_S) & \ | ||
186 | PAS_DMA_RXCHAN_CFG_HBU_M) | ||
187 | #define PAS_DMA_RXCHAN_INCR(c) (0x810+(c)*_PAS_DMA_RXCHAN_STRIDE) | ||
188 | #define PAS_DMA_RXCHAN_BASEL(c) (0x818+(c)*_PAS_DMA_RXCHAN_STRIDE) | ||
189 | #define PAS_DMA_RXCHAN_BASEL_BRBL_M 0xffffffc0 | ||
190 | #define PAS_DMA_RXCHAN_BASEL_BRBL_S 0 | ||
191 | #define PAS_DMA_RXCHAN_BASEL_BRBL(x) (((x) << PAS_DMA_RXCHAN_BASEL_BRBL_S) & \ | ||
192 | PAS_DMA_RXCHAN_BASEL_BRBL_M) | ||
193 | #define PAS_DMA_RXCHAN_BASEU(c) (0x81c+(c)*_PAS_DMA_RXCHAN_STRIDE) | ||
194 | #define PAS_DMA_RXCHAN_BASEU_BRBH_M 0x00000fff | ||
195 | #define PAS_DMA_RXCHAN_BASEU_BRBH_S 0 | ||
196 | #define PAS_DMA_RXCHAN_BASEU_BRBH(x) (((x) << PAS_DMA_RXCHAN_BASEU_BRBH_S) & \ | ||
197 | PAS_DMA_RXCHAN_BASEU_BRBH_M) | ||
198 | /* # of cache lines worth of buffer ring */ | ||
199 | #define PAS_DMA_RXCHAN_BASEU_SIZ_M 0x3fff0000 | ||
200 | #define PAS_DMA_RXCHAN_BASEU_SIZ_S 16 /* 0 = 16K */ | ||
201 | #define PAS_DMA_RXCHAN_BASEU_SIZ(x) (((x) << PAS_DMA_RXCHAN_BASEU_SIZ_S) & \ | ||
202 | PAS_DMA_RXCHAN_BASEU_SIZ_M) | ||
203 | |||
204 | #define PAS_STATUS_PCNT_M 0x000000000000ffffull | ||
205 | #define PAS_STATUS_PCNT_S 0 | ||
206 | #define PAS_STATUS_DCNT_M 0x00000000ffff0000ull | ||
207 | #define PAS_STATUS_DCNT_S 16 | ||
208 | #define PAS_STATUS_BPCNT_M 0x0000ffff00000000ull | ||
209 | #define PAS_STATUS_BPCNT_S 32 | ||
210 | #define PAS_STATUS_CAUSE_M 0xf000000000000000ull | ||
211 | #define PAS_STATUS_TIMER 0x1000000000000000ull | ||
212 | #define PAS_STATUS_ERROR 0x2000000000000000ull | ||
213 | #define PAS_STATUS_SOFT 0x4000000000000000ull | ||
214 | #define PAS_STATUS_INT 0x8000000000000000ull | ||
215 | |||
216 | #define PAS_IOB_COM_PKTHDRCNT 0x120 | ||
217 | #define PAS_IOB_COM_PKTHDRCNT_PKTHDR1_M 0x0fff0000 | ||
218 | #define PAS_IOB_COM_PKTHDRCNT_PKTHDR1_S 16 | ||
219 | #define PAS_IOB_COM_PKTHDRCNT_PKTHDR0_M 0x00000fff | ||
220 | #define PAS_IOB_COM_PKTHDRCNT_PKTHDR0_S 0 | ||
221 | |||
222 | #define PAS_IOB_DMA_RXCH_CFG(i) (0x1100 + (i)*4) | ||
223 | #define PAS_IOB_DMA_RXCH_CFG_CNTTH_M 0x00000fff | ||
224 | #define PAS_IOB_DMA_RXCH_CFG_CNTTH_S 0 | ||
225 | #define PAS_IOB_DMA_RXCH_CFG_CNTTH(x) (((x) << PAS_IOB_DMA_RXCH_CFG_CNTTH_S) & \ | ||
226 | PAS_IOB_DMA_RXCH_CFG_CNTTH_M) | ||
227 | #define PAS_IOB_DMA_TXCH_CFG(i) (0x1200 + (i)*4) | ||
228 | #define PAS_IOB_DMA_TXCH_CFG_CNTTH_M 0x00000fff | ||
229 | #define PAS_IOB_DMA_TXCH_CFG_CNTTH_S 0 | ||
230 | #define PAS_IOB_DMA_TXCH_CFG_CNTTH(x) (((x) << PAS_IOB_DMA_TXCH_CFG_CNTTH_S) & \ | ||
231 | PAS_IOB_DMA_TXCH_CFG_CNTTH_M) | ||
232 | #define PAS_IOB_DMA_RXCH_STAT(i) (0x1300 + (i)*4) | ||
233 | #define PAS_IOB_DMA_RXCH_STAT_INTGEN 0x00001000 | ||
234 | #define PAS_IOB_DMA_RXCH_STAT_CNTDEL_M 0x00000fff | ||
235 | #define PAS_IOB_DMA_RXCH_STAT_CNTDEL_S 0 | ||
236 | #define PAS_IOB_DMA_RXCH_STAT_CNTDEL(x) (((x) << PAS_IOB_DMA_RXCH_STAT_CNTDEL_S) &\ | ||
237 | PAS_IOB_DMA_RXCH_STAT_CNTDEL_M) | ||
238 | #define PAS_IOB_DMA_TXCH_STAT(i) (0x1400 + (i)*4) | ||
239 | #define PAS_IOB_DMA_TXCH_STAT_INTGEN 0x00001000 | ||
240 | #define PAS_IOB_DMA_TXCH_STAT_CNTDEL_M 0x00000fff | ||
241 | #define PAS_IOB_DMA_TXCH_STAT_CNTDEL_S 0 | ||
242 | #define PAS_IOB_DMA_TXCH_STAT_CNTDEL(x) (((x) << PAS_IOB_DMA_TXCH_STAT_CNTDEL_S) &\ | ||
243 | PAS_IOB_DMA_TXCH_STAT_CNTDEL_M) | ||
244 | #define PAS_IOB_DMA_RXCH_RESET(i) (0x1500 + (i)*4) | ||
245 | #define PAS_IOB_DMA_RXCH_RESET_PCNT_M 0xffff0000 | ||
246 | #define PAS_IOB_DMA_RXCH_RESET_PCNT_S 16 | ||
247 | #define PAS_IOB_DMA_RXCH_RESET_PCNT(x) (((x) << PAS_IOB_DMA_RXCH_RESET_PCNT_S) & \ | ||
248 | PAS_IOB_DMA_RXCH_RESET_PCNT_M) | ||
249 | #define PAS_IOB_DMA_RXCH_RESET_PCNTRST 0x00000020 | ||
250 | #define PAS_IOB_DMA_RXCH_RESET_DCNTRST 0x00000010 | ||
251 | #define PAS_IOB_DMA_RXCH_RESET_TINTC 0x00000008 | ||
252 | #define PAS_IOB_DMA_RXCH_RESET_DINTC 0x00000004 | ||
253 | #define PAS_IOB_DMA_RXCH_RESET_SINTC 0x00000002 | ||
254 | #define PAS_IOB_DMA_RXCH_RESET_PINTC 0x00000001 | ||
255 | #define PAS_IOB_DMA_TXCH_RESET(i) (0x1600 + (i)*4) | ||
256 | #define PAS_IOB_DMA_TXCH_RESET_PCNT_M 0xffff0000 | ||
257 | #define PAS_IOB_DMA_TXCH_RESET_PCNT_S 16 | ||
258 | #define PAS_IOB_DMA_TXCH_RESET_PCNT(x) (((x) << PAS_IOB_DMA_TXCH_RESET_PCNT_S) & \ | ||
259 | PAS_IOB_DMA_TXCH_RESET_PCNT_M) | ||
260 | #define PAS_IOB_DMA_TXCH_RESET_PCNTRST 0x00000020 | ||
261 | #define PAS_IOB_DMA_TXCH_RESET_DCNTRST 0x00000010 | ||
262 | #define PAS_IOB_DMA_TXCH_RESET_TINTC 0x00000008 | ||
263 | #define PAS_IOB_DMA_TXCH_RESET_DINTC 0x00000004 | ||
264 | #define PAS_IOB_DMA_TXCH_RESET_SINTC 0x00000002 | ||
265 | #define PAS_IOB_DMA_TXCH_RESET_PINTC 0x00000001 | ||
266 | |||
267 | #define PAS_IOB_DMA_COM_TIMEOUTCFG 0x1700 | ||
268 | #define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_M 0x00ffffff | ||
269 | #define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_S 0 | ||
270 | #define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT(x) (((x) << PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_S) & \ | ||
271 | PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_M) | ||
272 | |||
273 | /* Transmit descriptor fields */ | ||
274 | #define XCT_MACTX_T 0x8000000000000000ull | ||
275 | #define XCT_MACTX_ST 0x4000000000000000ull | ||
276 | #define XCT_MACTX_NORES 0x0000000000000000ull | ||
277 | #define XCT_MACTX_8BRES 0x1000000000000000ull | ||
278 | #define XCT_MACTX_24BRES 0x2000000000000000ull | ||
279 | #define XCT_MACTX_40BRES 0x3000000000000000ull | ||
280 | #define XCT_MACTX_I 0x0800000000000000ull | ||
281 | #define XCT_MACTX_O 0x0400000000000000ull | ||
282 | #define XCT_MACTX_E 0x0200000000000000ull | ||
283 | #define XCT_MACTX_VLAN_M 0x0180000000000000ull | ||
284 | #define XCT_MACTX_VLAN_NOP 0x0000000000000000ull | ||
285 | #define XCT_MACTX_VLAN_REMOVE 0x0080000000000000ull | ||
286 | #define XCT_MACTX_VLAN_INSERT 0x0100000000000000ull | ||
287 | #define XCT_MACTX_VLAN_REPLACE 0x0180000000000000ull | ||
288 | #define XCT_MACTX_CRC_M 0x0060000000000000ull | ||
289 | #define XCT_MACTX_CRC_NOP 0x0000000000000000ull | ||
290 | #define XCT_MACTX_CRC_INSERT 0x0020000000000000ull | ||
291 | #define XCT_MACTX_CRC_PAD 0x0040000000000000ull | ||
292 | #define XCT_MACTX_CRC_REPLACE 0x0060000000000000ull | ||
293 | #define XCT_MACTX_SS 0x0010000000000000ull | ||
294 | #define XCT_MACTX_LLEN_M 0x00007fff00000000ull | ||
295 | #define XCT_MACTX_LLEN_S 32ull | ||
296 | #define XCT_MACTX_LLEN(x) ((((long)(x)) << XCT_MACTX_LLEN_S) & \ | ||
297 | XCT_MACTX_LLEN_M) | ||
298 | #define XCT_MACTX_IPH_M 0x00000000f8000000ull | ||
299 | #define XCT_MACTX_IPH_S 27ull | ||
300 | #define XCT_MACTX_IPH(x) ((((long)(x)) << XCT_MACTX_IPH_S) & \ | ||
301 | XCT_MACTX_IPH_M) | ||
302 | #define XCT_MACTX_IPO_M 0x0000000007c00000ull | ||
303 | #define XCT_MACTX_IPO_S 22ull | ||
304 | #define XCT_MACTX_IPO(x) ((((long)(x)) << XCT_MACTX_IPO_S) & \ | ||
305 | XCT_MACTX_IPO_M) | ||
306 | #define XCT_MACTX_CSUM_M 0x0000000000000060ull | ||
307 | #define XCT_MACTX_CSUM_NOP 0x0000000000000000ull | ||
308 | #define XCT_MACTX_CSUM_TCP 0x0000000000000040ull | ||
309 | #define XCT_MACTX_CSUM_UDP 0x0000000000000060ull | ||
310 | #define XCT_MACTX_V6 0x0000000000000010ull | ||
311 | #define XCT_MACTX_C 0x0000000000000004ull | ||
312 | #define XCT_MACTX_AL2 0x0000000000000002ull | ||
313 | |||
314 | /* Receive descriptor fields */ | ||
315 | #define XCT_MACRX_T 0x8000000000000000ull | ||
316 | #define XCT_MACRX_ST 0x4000000000000000ull | ||
317 | #define XCT_MACRX_RR_M 0x3000000000000000ull | ||
318 | #define XCT_MACRX_RR_NORES 0x0000000000000000ull | ||
319 | #define XCT_MACRX_RR_8BRES 0x1000000000000000ull | ||
320 | #define XCT_MACRX_O 0x0400000000000000ull | ||
321 | #define XCT_MACRX_E 0x0200000000000000ull | ||
322 | #define XCT_MACRX_FF 0x0100000000000000ull | ||
323 | #define XCT_MACRX_PF 0x0080000000000000ull | ||
324 | #define XCT_MACRX_OB 0x0040000000000000ull | ||
325 | #define XCT_MACRX_OD 0x0020000000000000ull | ||
326 | #define XCT_MACRX_FS 0x0010000000000000ull | ||
327 | #define XCT_MACRX_NB_M 0x000fc00000000000ull | ||
328 | #define XCT_MACRX_NB_S 46ULL | ||
329 | #define XCT_MACRX_NB(x) ((((long)(x)) << XCT_MACRX_NB_S) & \ | ||
330 | XCT_MACRX_NB_M) | ||
331 | #define XCT_MACRX_LLEN_M 0x00003fff00000000ull | ||
332 | #define XCT_MACRX_LLEN_S 32ULL | ||
333 | #define XCT_MACRX_LLEN(x) ((((long)(x)) << XCT_MACRX_LLEN_S) & \ | ||
334 | XCT_MACRX_LLEN_M) | ||
335 | #define XCT_MACRX_CRC 0x0000000080000000ull | ||
336 | #define XCT_MACRX_LEN_M 0x0000000060000000ull | ||
337 | #define XCT_MACRX_LEN_TOOSHORT 0x0000000020000000ull | ||
338 | #define XCT_MACRX_LEN_BELOWMIN 0x0000000040000000ull | ||
339 | #define XCT_MACRX_LEN_TRUNC 0x0000000060000000ull | ||
340 | #define XCT_MACRX_CAST_M 0x0000000018000000ull | ||
341 | #define XCT_MACRX_CAST_UNI 0x0000000000000000ull | ||
342 | #define XCT_MACRX_CAST_MULTI 0x0000000008000000ull | ||
343 | #define XCT_MACRX_CAST_BROAD 0x0000000010000000ull | ||
344 | #define XCT_MACRX_CAST_PAUSE 0x0000000018000000ull | ||
345 | #define XCT_MACRX_VLC_M 0x0000000006000000ull | ||
346 | #define XCT_MACRX_FM 0x0000000001000000ull | ||
347 | #define XCT_MACRX_HTY_M 0x0000000000c00000ull | ||
348 | #define XCT_MACRX_HTY_IPV4_OK 0x0000000000000000ull | ||
349 | #define XCT_MACRX_HTY_IPV6 0x0000000000400000ull | ||
350 | #define XCT_MACRX_HTY_IPV4_BAD 0x0000000000800000ull | ||
351 | #define XCT_MACRX_HTY_NONIP 0x0000000000c00000ull | ||
352 | #define XCT_MACRX_IPP_M 0x00000000003f0000ull | ||
353 | #define XCT_MACRX_IPP_S 16 | ||
354 | #define XCT_MACRX_CSUM_M 0x000000000000ffffull | ||
355 | #define XCT_MACRX_CSUM_S 0 | ||
356 | |||
357 | #define XCT_PTR_T 0x8000000000000000ull | ||
358 | #define XCT_PTR_LEN_M 0x7ffff00000000000ull | ||
359 | #define XCT_PTR_LEN_S 44 | ||
360 | #define XCT_PTR_LEN(x) ((((long)(x)) << XCT_PTR_LEN_S) & \ | ||
361 | XCT_PTR_LEN_M) | ||
362 | #define XCT_PTR_ADDR_M 0x00000fffffffffffull | ||
363 | #define XCT_PTR_ADDR_S 0 | ||
364 | #define XCT_PTR_ADDR(x) ((((long)(x)) << XCT_PTR_ADDR_S) & \ | ||
365 | XCT_PTR_ADDR_M) | ||
366 | |||
367 | /* Receive interface 8byte result fields */ | ||
368 | #define XCT_RXRES_8B_L4O_M 0xff00000000000000ull | ||
369 | #define XCT_RXRES_8B_L4O_S 56 | ||
370 | #define XCT_RXRES_8B_RULE_M 0x00ffff0000000000ull | ||
371 | #define XCT_RXRES_8B_RULE_S 40 | ||
372 | #define XCT_RXRES_8B_EVAL_M 0x000000ffff000000ull | ||
373 | #define XCT_RXRES_8B_EVAL_S 24 | ||
374 | #define XCT_RXRES_8B_HTYPE_M 0x0000000000f00000ull | ||
375 | #define XCT_RXRES_8B_HASH_M 0x00000000000fffffull | ||
376 | #define XCT_RXRES_8B_HASH_S 0 | ||
377 | |||
378 | /* Receive interface buffer fields */ | ||
379 | #define XCT_RXB_LEN_M 0x0ffff00000000000ull | ||
380 | #define XCT_RXB_LEN_S 44 | ||
381 | #define XCT_RXB_LEN(x) ((((long)(x)) << XCT_RXB_LEN_S) & \ | ||
382 | XCT_RXB_LEN_M) | ||
383 | #define XCT_RXB_ADDR_M 0x00000fffffffffffull | ||
384 | #define XCT_RXB_ADDR_S 0 | ||
385 | #define XCT_RXB_ADDR(x) ((((long)(x)) << XCT_RXB_ADDR_S) & \ | ||
386 | XCT_RXB_ADDR_M) | ||
387 | |||
388 | /* Copy descriptor fields */ | ||
389 | #define XCT_COPY_T 0x8000000000000000ull | ||
390 | #define XCT_COPY_ST 0x4000000000000000ull | ||
391 | #define XCT_COPY_RR_M 0x3000000000000000ull | ||
392 | #define XCT_COPY_RR_NORES 0x0000000000000000ull | ||
393 | #define XCT_COPY_RR_8BRES 0x1000000000000000ull | ||
394 | #define XCT_COPY_RR_24BRES 0x2000000000000000ull | ||
395 | #define XCT_COPY_RR_40BRES 0x3000000000000000ull | ||
396 | #define XCT_COPY_I 0x0800000000000000ull | ||
397 | #define XCT_COPY_O 0x0400000000000000ull | ||
398 | #define XCT_COPY_E 0x0200000000000000ull | ||
399 | #define XCT_COPY_STY_ZERO 0x01c0000000000000ull | ||
400 | #define XCT_COPY_DTY_PREF 0x0038000000000000ull | ||
401 | #define XCT_COPY_LLEN_M 0x0007ffff00000000ull | ||
402 | #define XCT_COPY_LLEN_S 32 | ||
403 | #define XCT_COPY_LLEN(x) ((((long)(x)) << XCT_COPY_LLEN_S) & \ | ||
404 | XCT_COPY_LLEN_M) | ||
405 | #define XCT_COPY_SE 0x0000000000000001ull | ||
406 | |||
407 | /* Function descriptor fields */ | ||
408 | #define XCT_FUN_T 0x8000000000000000ull | ||
409 | #define XCT_FUN_ST 0x4000000000000000ull | ||
410 | #define XCT_FUN_RR_M 0x3000000000000000ull | ||
411 | #define XCT_FUN_RR_NORES 0x0000000000000000ull | ||
412 | #define XCT_FUN_RR_8BRES 0x1000000000000000ull | ||
413 | #define XCT_FUN_RR_24BRES 0x2000000000000000ull | ||
414 | #define XCT_FUN_RR_40BRES 0x3000000000000000ull | ||
415 | #define XCT_FUN_I 0x0800000000000000ull | ||
416 | #define XCT_FUN_O 0x0400000000000000ull | ||
417 | #define XCT_FUN_E 0x0200000000000000ull | ||
418 | #define XCT_FUN_FUN_M 0x01c0000000000000ull | ||
419 | #define XCT_FUN_FUN_S 54 | ||
420 | #define XCT_FUN_FUN(x) ((((long)(x)) << XCT_FUN_FUN_S) & XCT_FUN_FUN_M) | ||
421 | #define XCT_FUN_CRM_M 0x0038000000000000ull | ||
422 | #define XCT_FUN_CRM_NOP 0x0000000000000000ull | ||
423 | #define XCT_FUN_CRM_SIG 0x0008000000000000ull | ||
424 | #define XCT_FUN_LLEN_M 0x0007ffff00000000ull | ||
425 | #define XCT_FUN_LLEN_S 32 | ||
426 | #define XCT_FUN_LLEN(x) ((((long)(x)) << XCT_FUN_LLEN_S) & XCT_FUN_LLEN_M) | ||
427 | #define XCT_FUN_SHL_M 0x00000000f8000000ull | ||
428 | #define XCT_FUN_SHL_S 27 | ||
429 | #define XCT_FUN_SHL(x) ((((long)(x)) << XCT_FUN_SHL_S) & XCT_FUN_SHL_M) | ||
430 | #define XCT_FUN_CHL_M 0x0000000007c00000ull | ||
431 | #define XCT_FUN_HSZ_M 0x00000000003c0000ull | ||
432 | #define XCT_FUN_ALG_M 0x0000000000038000ull | ||
433 | #define XCT_FUN_HP 0x0000000000004000ull | ||
434 | #define XCT_FUN_BCM_M 0x0000000000003800ull | ||
435 | #define XCT_FUN_BCP_M 0x0000000000000600ull | ||
436 | #define XCT_FUN_SIG_M 0x00000000000001f0ull | ||
437 | #define XCT_FUN_SIG_TCP4 0x0000000000000140ull | ||
438 | #define XCT_FUN_SIG_TCP6 0x0000000000000150ull | ||
439 | #define XCT_FUN_SIG_UDP4 0x0000000000000160ull | ||
440 | #define XCT_FUN_SIG_UDP6 0x0000000000000170ull | ||
441 | #define XCT_FUN_A 0x0000000000000008ull | ||
442 | #define XCT_FUN_C 0x0000000000000004ull | ||
443 | #define XCT_FUN_AL2 0x0000000000000002ull | ||
444 | #define XCT_FUN_SE 0x0000000000000001ull | ||
445 | |||
446 | /* Function descriptor 8byte result fields */ | ||
447 | #define XCT_FUNRES_8B_CS_M 0x0000ffff00000000ull | ||
448 | #define XCT_FUNRES_8B_CS_S 32 | ||
449 | #define XCT_FUNRES_8B_CRC_M 0x00000000ffffffffull | ||
450 | #define XCT_FUNRES_8B_CRC_S 0 | ||
451 | |||
452 | /* Control descriptor fields */ | ||
453 | #define CTRL_CMD_T 0x8000000000000000ull | ||
454 | #define CTRL_CMD_META_EVT 0x2000000000000000ull | ||
455 | #define CTRL_CMD_O 0x0400000000000000ull | ||
456 | #define CTRL_CMD_ETYPE_M 0x0038000000000000ull | ||
457 | #define CTRL_CMD_ETYPE_EXT 0x0000000000000000ull | ||
458 | #define CTRL_CMD_ETYPE_WSET 0x0020000000000000ull | ||
459 | #define CTRL_CMD_ETYPE_WCLR 0x0028000000000000ull | ||
460 | #define CTRL_CMD_ETYPE_SET 0x0030000000000000ull | ||
461 | #define CTRL_CMD_ETYPE_CLR 0x0038000000000000ull | ||
462 | #define CTRL_CMD_REG_M 0x000000000000007full | ||
463 | #define CTRL_CMD_REG_S 0 | ||
464 | #define CTRL_CMD_REG(x) ((((long)(x)) << CTRL_CMD_REG_S) & \ | ||
465 | CTRL_CMD_REG_M) | ||
466 | |||
467 | |||
468 | |||
469 | /* Prototypes for the shared DMA functions in the platform code. */ | ||
470 | |||
471 | /* DMA TX Channel type. Right now only limitations used are event types 0/1, | ||
472 | * for event-triggered DMA transactions. | ||
473 | */ | ||
474 | |||
475 | enum pasemi_dmachan_type { | ||
476 | RXCHAN = 0, /* Any RX chan */ | ||
477 | TXCHAN = 1, /* Any TX chan */ | ||
478 | TXCHAN_EVT0 = 0x1001, /* TX chan in event class 0 (chan 0-9) */ | ||
479 | TXCHAN_EVT1 = 0x2001, /* TX chan in event class 1 (chan 10-19) */ | ||
480 | }; | ||
481 | |||
482 | struct pasemi_dmachan { | ||
483 | int chno; /* Channel number */ | ||
484 | enum pasemi_dmachan_type chan_type; /* TX / RX */ | ||
485 | u64 *status; /* Ptr to cacheable status */ | ||
486 | int irq; /* IRQ used by channel */ | ||
487 | unsigned int ring_size; /* size of allocated ring */ | ||
488 | dma_addr_t ring_dma; /* DMA address for ring */ | ||
489 | u64 *ring_virt; /* Virt address for ring */ | ||
490 | void *priv; /* Ptr to start of client struct */ | ||
491 | }; | ||
492 | |||
493 | /* Read/write the different registers in the I/O Bridge, Ethernet | ||
494 | * and DMA Controller | ||
495 | */ | ||
496 | extern unsigned int pasemi_read_iob_reg(unsigned int reg); | ||
497 | extern void pasemi_write_iob_reg(unsigned int reg, unsigned int val); | ||
498 | |||
499 | extern unsigned int pasemi_read_mac_reg(int intf, unsigned int reg); | ||
500 | extern void pasemi_write_mac_reg(int intf, unsigned int reg, unsigned int val); | ||
501 | |||
502 | extern unsigned int pasemi_read_dma_reg(unsigned int reg); | ||
503 | extern void pasemi_write_dma_reg(unsigned int reg, unsigned int val); | ||
504 | |||
505 | /* Channel management routines */ | ||
506 | |||
507 | extern void *pasemi_dma_alloc_chan(enum pasemi_dmachan_type type, | ||
508 | int total_size, int offset); | ||
509 | extern void pasemi_dma_free_chan(struct pasemi_dmachan *chan); | ||
510 | |||
511 | extern void pasemi_dma_start_chan(const struct pasemi_dmachan *chan, | ||
512 | const u32 cmdsta); | ||
513 | extern int pasemi_dma_stop_chan(const struct pasemi_dmachan *chan); | ||
514 | |||
515 | /* Common routines to allocate rings and buffers */ | ||
516 | |||
517 | extern int pasemi_dma_alloc_ring(struct pasemi_dmachan *chan, int ring_size); | ||
518 | extern void pasemi_dma_free_ring(struct pasemi_dmachan *chan); | ||
519 | |||
520 | extern void *pasemi_dma_alloc_buf(struct pasemi_dmachan *chan, int size, | ||
521 | dma_addr_t *handle); | ||
522 | extern void pasemi_dma_free_buf(struct pasemi_dmachan *chan, int size, | ||
523 | dma_addr_t *handle); | ||
524 | |||
525 | /* Routines to allocate flags (events) for channel syncronization */ | ||
526 | extern int pasemi_dma_alloc_flag(void); | ||
527 | extern void pasemi_dma_free_flag(int flag); | ||
528 | extern void pasemi_dma_set_flag(int flag); | ||
529 | extern void pasemi_dma_clear_flag(int flag); | ||
530 | |||
531 | /* Routines to allocate function engines */ | ||
532 | extern int pasemi_dma_alloc_fun(void); | ||
533 | extern void pasemi_dma_free_fun(int fun); | ||
534 | |||
535 | /* Initialize the library, must be called before any other functions */ | ||
536 | extern int pasemi_dma_init(void); | ||
537 | |||
538 | #endif /* ASM_PASEMI_DMA_H */ | ||