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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 06:54:01 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 06:54:01 -0500
commit0ba6c33bcddc64a54b5f1c25a696c4767dc76292 (patch)
tree62e616f97a4762d8e75bf732e4827af2d15d52c5 /include/asm-powerpc/pasemi_dma.h
parent21af0297c7e56024a5ccc4d8ad2a590f9ec371ba (diff)
parent85040bcb4643cba578839e953f25e2d1965d83d0 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.25
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.25: (1470 commits) [IPV6] ADDRLABEL: Fix double free on label deletion. [PPP]: Sparse warning fixes. [IPV4] fib_trie: remove unneeded NULL check [IPV4] fib_trie: More whitespace cleanup. [NET_SCHED]: Use nla_policy for attribute validation in ematches [NET_SCHED]: Use nla_policy for attribute validation in actions [NET_SCHED]: Use nla_policy for attribute validation in classifiers [NET_SCHED]: Use nla_policy for attribute validation in packet schedulers [NET_SCHED]: sch_api: introduce constant for rate table size [NET_SCHED]: Use typeful attribute parsing helpers [NET_SCHED]: Use typeful attribute construction helpers [NET_SCHED]: Use NLA_PUT_STRING for string dumping [NET_SCHED]: Use nla_nest_start/nla_nest_end [NET_SCHED]: Propagate nla_parse return value [NET_SCHED]: act_api: use PTR_ERR in tcf_action_init/tcf_action_get [NET_SCHED]: act_api: use nlmsg_parse [NET_SCHED]: act_api: fix netlink API conversion bug [NET_SCHED]: sch_netem: use nla_parse_nested_compat [NET_SCHED]: sch_atm: fix format string warning [NETNS]: Add namespace for ICMP replying code. ...
Diffstat (limited to 'include/asm-powerpc/pasemi_dma.h')
-rw-r--r--include/asm-powerpc/pasemi_dma.h467
1 files changed, 467 insertions, 0 deletions
diff --git a/include/asm-powerpc/pasemi_dma.h b/include/asm-powerpc/pasemi_dma.h
new file mode 100644
index 000000000000..b4526ff3a50d
--- /dev/null
+++ b/include/asm-powerpc/pasemi_dma.h
@@ -0,0 +1,467 @@
1/*
2 * Copyright (C) 2006 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 */
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 {
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};
44
45
46#define PAS_DMA_CAP_TXCH_TCHN_M 0x00ff0000 /* # of TX channels */
47#define PAS_DMA_CAP_TXCH_TCHN_S 16
48
49#define PAS_DMA_CAP_RXCH_RCHN_M 0x00ff0000 /* # of RX channels */
50#define PAS_DMA_CAP_RXCH_RCHN_S 16
51
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
56
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 */
61
62
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
93
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)
106
107
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)
155
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)
193
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
205
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
211
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
256
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)
262
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) & \
287 XCT_MACTX_LLEN_M)
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) & \
291 XCT_MACTX_IPH_M)
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) & \
295 XCT_MACTX_IPO_M)
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
303
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) & \
320 XCT_MACRX_NB_M)
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) & \
324 XCT_MACRX_LLEN_M)
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
346
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) & \
351 XCT_PTR_LEN_M)
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) & \
355 XCT_PTR_ADDR_M)
356
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
367
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) & \
372 XCT_RXB_LEN_M)
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) & \
376 XCT_RXB_ADDR_M)
377
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) & \
394 XCT_COPY_LLEN_M)
395#define XCT_COPY_SE 0x0000000000000001ull
396
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) & \
404 CTRL_CMD_REG_M)
405
406
407
408/* Prototypes for the shared DMA functions in the platform code. */
409
410/* DMA TX Channel type. Right now only limitations used are event types 0/1,
411 * for event-triggered DMA transactions.
412 */
413
414enum 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) */
419};
420
421struct 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 */
430};
431
432/* Read/write the different registers in the I/O Bridge, Ethernet
433 * and DMA Controller
434 */
435extern unsigned int pasemi_read_iob_reg(unsigned int reg);
436extern void pasemi_write_iob_reg(unsigned int reg, unsigned int val);
437
438extern unsigned int pasemi_read_mac_reg(int intf, unsigned int reg);
439extern void pasemi_write_mac_reg(int intf, unsigned int reg, unsigned int val);
440
441extern unsigned int pasemi_read_dma_reg(unsigned int reg);
442extern void pasemi_write_dma_reg(unsigned int reg, unsigned int val);
443
444/* Channel management routines */
445
446extern void *pasemi_dma_alloc_chan(enum pasemi_dmachan_type type,
447 int total_size, int offset);
448extern void pasemi_dma_free_chan(struct pasemi_dmachan *chan);
449
450extern void pasemi_dma_start_chan(const struct pasemi_dmachan *chan,
451 const u32 cmdsta);
452extern int pasemi_dma_stop_chan(const struct pasemi_dmachan *chan);
453
454/* Common routines to allocate rings and buffers */
455
456extern int pasemi_dma_alloc_ring(struct pasemi_dmachan *chan, int ring_size);
457extern void pasemi_dma_free_ring(struct pasemi_dmachan *chan);
458
459extern void *pasemi_dma_alloc_buf(struct pasemi_dmachan *chan, int size,
460 dma_addr_t *handle);
461extern void pasemi_dma_free_buf(struct pasemi_dmachan *chan, int size,
462 dma_addr_t *handle);
463
464/* Initialize the library, must be called before any other functions */
465extern int pasemi_dma_init(void);
466
467#endif /* ASM_PASEMI_DMA_H */