[POWERPC] pasemi: Add function engine management functions to dma_lib
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-powerpc / pasemi_dma.h
CommitLineData
40afa531 1/*
afea3278 2 * Copyright (C) 2006-2008 PA Semi, Inc
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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 */
26struct 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 */
35enum {
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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 */
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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 */
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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};
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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
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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
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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
419enum 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
426struct 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 */
440extern unsigned int pasemi_read_iob_reg(unsigned int reg);
441extern void pasemi_write_iob_reg(unsigned int reg, unsigned int val);
442
443extern unsigned int pasemi_read_mac_reg(int intf, unsigned int reg);
444extern void pasemi_write_mac_reg(int intf, unsigned int reg, unsigned int val);
445
446extern unsigned int pasemi_read_dma_reg(unsigned int reg);
447extern void pasemi_write_dma_reg(unsigned int reg, unsigned int val);
448
449/* Channel management routines */
450
451extern void *pasemi_dma_alloc_chan(enum pasemi_dmachan_type type,
452 int total_size, int offset);
453extern void pasemi_dma_free_chan(struct pasemi_dmachan *chan);
454
455extern void pasemi_dma_start_chan(const struct pasemi_dmachan *chan,
456 const u32 cmdsta);
457extern int pasemi_dma_stop_chan(const struct pasemi_dmachan *chan);
458
459/* Common routines to allocate rings and buffers */
460
461extern int pasemi_dma_alloc_ring(struct pasemi_dmachan *chan, int ring_size);
462extern void pasemi_dma_free_ring(struct pasemi_dmachan *chan);
463
464extern void *pasemi_dma_alloc_buf(struct pasemi_dmachan *chan, int size,
465 dma_addr_t *handle);
466extern void pasemi_dma_free_buf(struct pasemi_dmachan *chan, int size,
467 dma_addr_t *handle);
468
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469/* Routines to allocate flags (events) for channel syncronization */
470extern int pasemi_dma_alloc_flag(void);
471extern void pasemi_dma_free_flag(int flag);
472extern void pasemi_dma_set_flag(int flag);
473extern void pasemi_dma_clear_flag(int flag);
474
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475/* Routines to allocate function engines */
476extern int pasemi_dma_alloc_fun(void);
477extern void pasemi_dma_free_fun(int fun);
478
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479/* Initialize the library, must be called before any other functions */
480extern int pasemi_dma_init(void);
481
40afa531 482#endif /* ASM_PASEMI_DMA_H */