Artix-7 PCIE 连接树莓派cm4 设备能识别，驱动装上后能生成相应设备，但是无法读写，跪求大神解答

wugang0420

Artix-7 PCIE  连接树莓派cm4 设备能识别，驱动装上后能生成相应设备，但是无法读写，跪求大神解答！！！

目前正在做一个PCIE 的项目，该项目是用Xilinx Artix-7 XC7A100T 与树莓派 cm4 通过PCIE 连接，现在已经移植了xdma 的驱动，该驱动能够正常枚举出 h2c c2h 等设备，但是读写时发现读写错误。系统日志也没有看出异常，希望有经验的大神能够解答一下！

以下是驱动安装后的效果：http://www.openedv.com/forum.php ... %3D&nothumb=yes
下面是系统日志

1. 
   
2. 
   
3. [    1.215234] brcm-pcie fd500000.pcie: host bridge /scb/pcie@7d500000 ranges:
   
4. [    1.215260] brcm-pcie fd500000.pcie:   No bus range found for /scb/pcie@7d500000, using [bus 00-ff]
   
5. [    1.215288] brcm-pcie fd500000.pcie: Parsing ranges property...
   
6. [    1.215340] brcm-pcie fd500000.pcie:      MEM 0x0600000000..0x063fffffff -> 0x00c0000000
   
7. [    1.215374] brcm-pcie fd500000.pcie: Parsing dma-ranges property...
   
8. [    1.215431] brcm-pcie fd500000.pcie:   IB MEM 0x0000000000..0x007fffffff -> 0x0400000000
   
9. [    1.231121] brcm-pcie fd500000.pcie: link up, 5.0 GT/s PCIe x1 (SSC)
   
10. [    1.231514] brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00
    
11. [    1.231530] pci_bus 0000:00: root bus resource [bus 00-ff]
    
12. [    1.231546] pci_bus 0000:00: root bus resource [mem 0x600000000-0x63fffffff] (bus address [0xc0000000-0xffffffff])
    
13. [    1.231557] pci_bus 0000:00: scanning bus
    
14. [    1.231652] pci 0000:00:00.0: [14e4:2711] type 01 class 0x060400
    
15. [    1.231883] pci 0000:00:00.0: PME# supported from D0 D3hot
    
16. [    1.231901] pci 0000:00:00.0: PME# disabled
    
17. [    1.235580] pci_bus 0000:00: fixups for bus
    
18. [    1.235600] pci 0000:00:00.0: scanning [bus ff-ff] behind bridge, pass 0
    
19. [    1.235613] pci 0000:00:00.0: bridge configuration invalid ([bus ff-ff]), reconfiguring
    
20. [    1.235648] pci 0000:00:00.0: scanning [bus 00-00] behind bridge, pass 1
    
21. [    1.235783] pci_bus 0000:01: scanning bus
    
22. [    1.235857] pci 0000:01:00.0: [10ee:7021] type 00 class 0x070001
    
23. [    1.235912] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x0000ffff]
    
24. [    1.236047] pci 0000:01:00.0: enabling Extended Tags
    
25. [    1.236207] pci 0000:01:00.0: PME# supported from D0 D1 D2 D3hot
    
26. [    1.236225] pci 0000:01:00.0: PME# disabled
    
27. [    1.239847] pci_bus 0000:01: fixups for bus
    
28. [    1.239859] pci_bus 0000:01: bus scan returning with max=01
    
29. [    1.239875] pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 01
    
30. [    1.239893] pci_bus 0000:00: bus scan returning with max=01
    
31. [    1.239927] pci 0000:00:00.0: BAR 8: assigned [mem 0x600000000-0x6000fffff]
    
32. [    1.239945] pci 0000:01:00.0: BAR 0: assigned [mem 0x600000000-0x60000ffff]
    
33. [    1.239966] pci 0000:00:00.0: PCI bridge to [bus 01]
    
34. [    1.239985] pci 0000:00:00.0:   bridge window [mem 0x600000000-0x6000fffff]
    
35. [    1.245291] serial 0000:01:00.0: assign IRQ: got 43
    
36. [    1.245344] pci 0000:00:00.0: enabling device (0000 -> 0002)
    
37. [    1.245365] pci 0000:00:00.0: enabling bus mastering
    
38. [    1.245384] serial 0000:01:00.0: enabling device (0000 -> 0002)
    
39. [    1.245412] serial 0000:01:00.0: saving config space at offset 0x0 (reading 0x702110ee)
    
40. [    1.245427] serial 0000:01:00.0: saving config space at offset 0x4 (reading 0x100002)
    
41. [    1.245441] serial 0000:01:00.0: saving config space at offset 0x8 (reading 0x7000100)
    
42. [    1.245455] serial 0000:01:00.0: saving config space at offset 0xc (reading 0x0)
    
43. [    1.245470] serial 0000:01:00.0: saving config space at offset 0x10 (reading 0xc0000000)
    
44. [    1.245484] serial 0000:01:00.0: saving config space at offset 0x14 (reading 0x0)
    
45. [    1.245498] serial 0000:01:00.0: saving config space at offset 0x18 (reading 0x0)
    
46. [    1.245512] serial 0000:01:00.0: saving config space at offset 0x1c (reading 0x0)
    
47. [    1.245525] serial 0000:01:00.0: saving config space at offset 0x20 (reading 0x0)
    
48. [    1.245540] serial 0000:01:00.0: saving config space at offset 0x24 (reading 0x0)
    
49. [    1.245554] serial 0000:01:00.0: saving config space at offset 0x28 (reading 0x0)
    
50. [    1.245568] serial 0000:01:00.0: saving config space at offset 0x2c (reading 0x710ee)
    
51. [    1.245581] serial 0000:01:00.0: saving config space at offset 0x30 (reading 0x0)
    
52. [    1.245595] serial 0000:01:00.0: saving config space at offset 0x34 (reading 0x40)
    
53. [    1.245609] serial 0000:01:00.0: saving config space at offset 0x38 (reading 0x0)
    
54. [    1.245623] serial 0000:01:00.0: saving config space at offset 0x3c (reading 0x12b)
    
55. [    1.247807] iproc-rng200 fe104000.rng: hwrng registered
    
56. [    1.248143] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
    
57. [    1.249078] gpiomem-bcm2835 fe200000.gpiomem: Initialised: Registers at 0xfe200000
    
58. [    1.249483] cacheinfo: Unable to detect cache hierarchy for CPU 0
    
59. [    1.260863] brd: module loaded
    
60. [    1.273773] loop: module loaded
    
61. [    1.275396] Loading iSCSI transport class v2.0-870.
    
62. [    1.278048] libphy: Fixed MDIO Bus: probed
    
63. [    1.278689] bcmgenet fd580000.ethernet: GENET 5.0 EPHY: 0x0000
    
64. [    1.289092] libphy: bcmgenet MII bus: probed
    
65. [    1.341150] unimac-mdio unimac-mdio.-19: Broadcom UniMAC MDIO bus
    
66. [    1.342251] usbcore: registered new interface driver r8152
    
67. [    1.342310] usbcore: registered new interface driver lan78xx
    
68. [    1.342358] usbcore: registered new interface driver smsc95xx
    
69. [    1.342892] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
    
70. [    1.343152] dwc_otg: FIQ enabled
    
71. [    1.343161] dwc_otg: NAK holdoff enabled
    
72. [    1.343169] dwc_otg: FIQ split-transaction FSM enabled
    
73. [    1.343180] Module dwc_common_port init
    
74. [    1.343698] usbcore: registered new interface driver uas
    
75. [    1.343753] usbcore: registered new interface driver usb-storage
    
76. [    1.344009] mousedev: PS/2 mouse device common for all mice
    
77. [    1.345678] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
    
78. [    1.349068] sdhci: Secure Digital Host Controller Interface driver
    
79. [    1.349079] sdhci: Copyright(c) Pierre Ossman
    
80. [    1.349720] mmc-bcm2835 fe300000.mmcnr: could not get clk, deferring probe
    
81. [    1.350244] sdhci-pltfm: SDHCI platform and OF driver helper
    
82. [    1.353905] ledtrig-cpu: registered to indicate activity on CPUs
    
83. [    1.354223] hid: raw HID events driver (C) Jiri Kosina
    
84. [    1.354411] usbcore: registered new interface driver usbhid
    
85. [    1.354421] usbhid: USB HID core driver
    
86. [    1.362403] Initializing XFRM netlink socket
    
87. [    1.362446] NET: Registered protocol family 17
    
88. [    1.362591] Key type dns_resolver registered
    
89. [    1.363251] registered taskstats version 1
    
90. [    1.363280] Loading compiled-in X.509 certificates
    
91. [    1.363837] Key type ._fscrypt registered
    
92. [    1.363848] Key type .fscrypt registered
    
93. [    1.363857] Key type fscrypt-provisioning registered
    
94. [    1.375011] uart-pl011 fe201000.serial: there is not valid maps for state default
    
95. [    1.375250] uart-pl011 fe201000.serial: cts_event_workaround enabled
    
96. [    1.375344] fe201000.serial: ttyAMA0 at MMIO 0xfe201000 (irq = 13, base_baud = 0) is a PL011 rev2
    
97. [    1.381785] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
    
98. [    1.382723] mmc-bcm2835 fe300000.mmcnr: mmc_debug:0 mmc_debug2:0
    
99. [    1.382736] mmc-bcm2835 fe300000.mmcnr: DMA channel allocated
    
100. [    1.427822] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
     
101. [    1.429468] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
     
102. [    1.431107] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
     
103. [    1.434038] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
     
104. [    1.435673] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
     
105. [    1.449691] mmc0: SDHCI controller on fe340000.emmc2 [fe340000.emmc2] using ADMA
     
106. [    1.452682] of_cfs_init
     
107. [    1.452819] of_cfs_init: OK
     
108. [    1.454014] Waiting for root device PARTUUID=3f4673f0-02...
     
109. [    1.479897] random: fast init done
     
110. [    1.500233] mmc1: new high speed SDIO card at address 0001
     
111. [    1.522953] mmc0: new DDR MMC card at address 0001
     
112. [    1.524058] mmcblk0: mmc0:0001 8GTF4R 7.28 GiB
     
113. [    1.524616] mmcblk0boot0: mmc0:0001 8GTF4R partition 1 4.00 MiB
     
114. [    1.525282] mmcblk0boot1: mmc0:0001 8GTF4R partition 2 4.00 MiB
     
115. [    1.525548] mmcblk0rpmb: mmc0:0001 8GTF4R partition 3 512 KiB, chardev (245:0)
     
116. [    1.527699]  mmcblk0: p1 p2
     
117. [    1.555535] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
     
118. [    1.555619] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
     
119. [    1.556168] devtmpfs: mounted
     
120. [    1.563722] Freeing unused kernel memory: 3456K
     
121. [    1.565224] Run /sbin/init as init process
     
122. [    1.565233]   with arguments:
     
123. [    1.565241]     /sbin/init
     
124. [    1.565249]     splash
     
125. [    1.565257]   with environment:
     
126. [    1.565265]     HOME=/
     
127. [    1.565273]     TERM=linux
     
128. [    1.789381] systemd[1]: System time before build time, advancing clock.
     
129. [    1.854159] NET: Registered protocol family 10
     
130. [    1.855804] Segment Routing with IPv6
     
131. 
     
132. [    3.672080] xdma:xdma_mod_init: Xilinx XDMA Reference Driver xdma v2020.1.8
     
133. [    3.672102] xdma:xdma_mod_init: desc_blen_max: 0xfffffff/268435455, timeout: h2c 10 c2h 10 sec.
     
134. [    3.672469] xdma 0000:01:00.0: assign IRQ: got 43
     
135. [    3.672502] xdma:xdma_device_open: xdma device 0000:01:00.0, 0x(____ptrval____).
     
136. [    3.672514] xdma:alloc_dev_instance: xdev = 0x(____ptrval____)
     
137. [    3.672530] xdma:xdev_list_add: dev 0000:01:00.0, xdev 0x(____ptrval____), xdma idx 0.
     
138. [    3.672597] xdma 0000:01:00.0: enabling bus mastering
     
139. [    3.672610] xdma:request_regions: pci_request_regions()
     
140. [    3.672638] xdma:map_single_bar: BAR0: 65536 bytes to be mapped.
     
141. [    3.672675] xdma:map_single_bar: BAR0 at 0x600000000 mapped at 0x(____ptrval____), length=65536(/65536)
     
142. [    3.672687] xdma:is_config_bar: BAR 0 is the XDMA config BAR
     
143. [    3.672697] xdma:map_bars: config bar 0, pos 0.
     
144. [    3.672708] xdma:identify_bars: xdev 0x(____ptrval____), bars 1, config at 0.
     
145. [    3.672719] xdma:identify_bars: 1 BARs: config 0, user -1, bypass -1.
     
146. [    3.672729] xdma:set_dma_mask: sizeof(dma_addr_t) == 8
     
147. [    3.672738] xdma:set_dma_mask: pci_set_dma_mask()
     
148. [    3.672746] xdma:set_dma_mask: Using a 64-bit DMA mask.
     
149. 
     
150. [    3.672771] xdma:__write_register: channel_interrupts_disable: w reg 0x2000(0x(____ptrval____)), 0xffffffff.
     
151. [    3.672783] xdma:__write_register: user_interrupts_disable: w reg 0x2000(0x(____ptrval____)), 0xffffffff.
     
152. 
     
153. [    3.672797] xdma:read_interrupts: ioread32(0x(____ptrval____)) returned 0x00000000 (user_int_request).
     
154. [    3.672809] xdma:read_interrupts: ioread32(0x(____ptrval____)) returned 0x00000000 (channel_int_request)
     
155. 
     
156. [    3.672825] xdma:probe_for_engine: found AXI H2C 0 engine, reg. off 0x0, id 0x1fc0,0x0.
     
157. [    3.672835] xdma:engine_init: channel 0, offset 0x0, dir 1.
     
158. [    3.672849] xdma:engine_init: engine (____ptrval____) name 0-H2C0-MM irq_bitmask=0x00000001
     
159. [    3.681482] videodev: Linux video capture interface: v2.00
     
160. [    3.695091] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned.
     
161. [    3.701331] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
     
162. [    3.701508] bcm2835_vc_sm_cma_probe: Videocore shared memory driver
     
163. [    3.701529] [vc_sm_connected_init]: start
     
164. [    3.703943] bcm2835_audio bcm2835_audio: there is not valid maps for state default
     
165. [    3.704191] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned.
     
166. [    3.704951] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned.
     
167. [    3.717751] [vc_sm_connected_init]: installed successfully
     
168. [    3.718193] xdma:__write_register: engine_init_regs: w reg 0x3f97836bac(0x(____ptrval____)), 0x2000000.
     
169. [    3.718211] xdma:engine_alignments: engine (____ptrval____) name 0-H2C0-MM alignments=0x00010140
     
170. [    3.718220] xdma:engine_alignments: align_bytes = 1
     
171. [    3.718229] xdma:engine_alignments: granularity_bytes = 1
     
172. [    3.718240] xdma:engine_alignments: address_bits = 64
     
173. [    3.718252] xdma:__write_register: engine_init_regs: w reg 0x3f97836c30(0x(____ptrval____)), 0xf83e1e.
     
174. [    3.718271] xdma:probe_for_engine: H2C 1 engine, reg off 0x100, id mismatch 0x0,0x0,exp 0x1fc0,0x1, SKIP.
     
175. [    3.718285] xdma:probe_for_engine: found AXI C2H 0 engine, reg. off 0x1000, id 0x1fc1,0x0.
     
176. [    3.718295] xdma:engine_init: channel 0, offset 0x1000, dir 2.
     
177. [    3.718309] xdma:engine_init: engine (____ptrval____) name 0-C2H0-MM irq_bitmask=0x00000002
     
178. [    3.718497] xdma:__write_register: engine_init_regs: w reg 0x3f9783764c(0x(____ptrval____)), 0x2000000.
     
179. [    3.718510] xdma:engine_alignments: engine (____ptrval____) name 0-C2H0-MM alignments=0x00010140
     
180. [    3.718520] xdma:engine_alignments: align_bytes = 1
     
181. [    3.718529] xdma:engine_alignments: granularity_bytes = 1
     
182. [    3.718537] xdma:engine_alignments: address_bits = 64
     
183. [    3.718548] xdma:__write_register: engine_init_regs: w reg 0x3f978376d0(0x(____ptrval____)), 0xf83e1e.
     
184. [    3.718563] xdma:probe_for_engine: C2H 1 engine, reg off 0x1100, id mismatch 0x0,0x0,exp 0x1fc1,0x1, SKIP.
     
185. [    3.718611] xdma:enable_msi_msix: pci_enable_msi()
     
186. [    3.718885] xdma:pci_keep_intx_enabled: 0000:01:00.0: clear INTX_DISABLE, 0x406 -> 0x6.
     
187. [    3.718981] xdma:irq_msi_setup: Using IRQ#44 with 0x(____ptrval____)
     
188. 
     
189. [    3.718993] xdma:__write_register: channel_interrupts_enable: w reg 0x2000(0x(____ptrval____)), 0xffffffff.
     
190. [    3.719006] xdma:read_interrupts: ioread32(0x(____ptrval____)) returned 0x00000000 (user_int_request).
     
191. [    3.719017] xdma:read_interrupts: ioread32(0x(____ptrval____)) returned 0x00000000 (channel_int_request)
     
192. [    3.719033] xdma:__write_register: user_interrupts_enable: w reg 0x2000(0x(____ptrval____)), 0x1ffff.
     
193. [    3.719045] xdma:read_interrupts: ioread32(0x(____ptrval____)) returned 0x00000000 (user_int_request).
     
194. [    3.719055] xdma:read_interrupts: ioread32(0x(____ptrval____)) returned 0x00000000 (channel_int_request)
     
195. [    3.719068] xdma:probe_one: 0000:01:00.0 xdma0, pdev 0x(____ptrval____), xdev 0x(____ptrval____), 0x(____ptrval____), usr 16, ch 1,1.
     
196. [    3.719094] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:1, (null), type 0x1.
     
197. [    3.732552] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
     
198. [    3.732558] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.
     
199. [    3.733410] bcm2835_audio bcm2835_audio: card created with 8 channels
     
200. [    3.735514] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:10, (null), type 0x3.
     
201. [    3.741195] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:11, (null), type 0x3.
     
202. [    3.745655] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:12, (null), type 0x3.
     
203. [    3.749655] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:13, (null), type 0x3.
     
204. [    3.753590] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:14, (null), type 0x3.
     
205. [    3.757619] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:15, (null), type 0x3.
     
206. [    3.761703] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:16, (null), type 0x3.
     
207. 
     
208. [    3.763856] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned.
     
209. [    3.764805] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned.
     
210. [    3.765642] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned.
     
211. 
     
212. [    3.766576] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:17, (null), type 0x3.
     
213. [    3.769525] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:18, (null), type 0x3.
     
214. [    3.773535] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:19, (null), type 0x3.
     
215. [    3.777526] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:20, (null), type 0x3.
     
216. [    3.781635] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:21, (null), type 0x3.
     
217. [    3.785655] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:22, (null), type 0x3.
     
218. [    3.788044] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:23, (null), type 0x3.
     
219. [    3.790014] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:24, (null), type 0x3.
     
220. [    3.790675] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:25, (null), type 0x3.
     
221. [    3.791861] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:32, (null), type 0x4.
     
222. [    3.793779] xdma:create_xcdev: xcdev 0x(____ptrval____), 236:36, (null), type 0x5.
     
223. [    3.799819] bcm2835-isp bcm2835-isp: bcm2835_isp_get_supported_fmts: port has more encoding than we provided space for. Some are dropped.
     
224. [    3.800262] bcm2835-isp bcm2835-isp: Device node output[0] registered as /dev/video13
     
225. [    3.800884] bcm2835-isp bcm2835-isp: Device node capture[0] registered as /dev/video14
     
226. [    3.801278] bcm2835-codec bcm2835-codec: Device registered as /dev/video10
     
227. [    3.801327] bcm2835-codec bcm2835-codec: Loaded V4L2 decode
     
228. [    3.803295] bcm2835-isp bcm2835-isp: Device node capture[1] registered as /dev/video15
     
229. [    3.803772] bcm2835-isp bcm2835-isp: Device node stats[2] registered as /dev/video16
     
230. [    3.803798] bcm2835-isp bcm2835-isp: Register output node 0 with media controller
     
231. [    3.803850] bcm2835-isp bcm2835-isp: Register capture node 1 with media controller
     
232. [    3.803867] bcm2835-isp bcm2835-isp: Register capture node 2 with media controller
     
233. [    3.803882] bcm2835-isp bcm2835-isp: Register capture node 3 with media controller
     
234. [    3.804275] bcm2835-isp bcm2835-isp: Loaded V4L2 bcm2835-isp
     
235. [    3.822427] bcm2835-codec bcm2835-codec: Device registered as /dev/video11
     
236. [    3.822473] bcm2835-codec bcm2835-codec: Loaded V4L2 encode
     
237. [    3.844269] : bcm2835_codec_get_supported_fmts: port has more encoding than we provided space for. Some are dropped.
     
238. [    3.845833] bcm2835-codec bcm2835-codec: Device registered as /dev/video12
     
239. [    3.845902] bcm2835-codec bcm2835-codec: Loaded V4L2 isp
     
240. [    3.993215] dwc2 fe980000.usb: supply vusb_d not found, using dummy regulator
     
241. [    3.993523] dwc2 fe980000.usb: supply vusb_a not found, using dummy regulator
     
242. [    4.048700] dwc2 fe980000.usb: DWC OTG Controller
     
243. [    4.048745] dwc2 fe980000.usb: new USB bus registered, assigned bus number 1
     
244. [    4.048812] dwc2 fe980000.usb: irq 16, io mem 0xfe980000
     
245. [    4.049293] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.09
     
246. [    4.049308] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
     
247. [    4.049321] usb usb1: Product: DWC OTG Controller
     
248. [    4.049333] usb usb1: Manufacturer: Linux 5.9.14-v8+ dwc2_hsotg
     
249. [    4.049344] usb usb1: SerialNumber: fe980000.usb
     
250. [    4.050222] hub 1-0:1.0: USB hub found
     
251. [    4.050295] hub 1-0:1.0: 1 port detected
     
252. [    4.157214] [drm] Initialized v3d 1.0.0 20180419 for fec00000.v3d on minor 0
     
253. [    4.316430] cfg80211: Loading compiled-in X.509 certificates for regulatory database
     
254. [    4.355722] vc4-drm gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4])
     
255. [    4.355749] checking generic (3e4e0000 6e7000) vs hw (0 ffffffffffffffff)
     
256. [    4.355760] fb0: switching to vc4drmfb from simple
     
257. [    4.358868] Console: switching to colour dummy device 80x25
     
258. [    4.369908] [drm] Initialized vc4 0.0.0 20140616 for gpu on minor 1
     
259. [    4.397460] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
     
260. [    4.422522] Console: switching to colour frame buffer device 240x67
     
261. [    4.422573] vc4-drm gpu: [drm] fb0: vc4drmfb frame buffer device
     
262. [    4.432247] brcmfmac: F1 signature read @0x18000000=0x15264345
     
263. [    4.445080] usb 1-1: new high-speed USB device number 2 using dwc2
     
264. [    4.450780] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
     
265. [    4.451904] usbcore: registered new interface driver brcmfmac
     
266. [    4.464850] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module.txt failed with error -2
     
267. [    4.653482] usb 1-1: New USB device found, idVendor=0424, idProduct=2514, bcdDevice= b.b3
     
268. [    4.653502] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
     
269. [    4.654240] hub 1-1:1.0: USB hub found
     
270. [    4.654365] hub 1-1:1.0: 4 ports detected
     
271. [    4.692072] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
     
272. [    4.701268] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Jan  4 2021 19:56:29 version 7.45.229 (617f1f5 CY) FWID 01-2dbd9d2e
     
273. [    4.941067] usb 1-1.1: new high-speed USB device number 3 using dwc2
     
274. [    5.046254] usb 1-1.1: New USB device found, idVendor=1a40, idProduct=0101, bcdDevice= 1.11
     
275. [    5.046275] usb 1-1.1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
     
276. [    5.046288] usb 1-1.1: Product: USB 2.0 Hub
     
277. [    5.047235] hub 1-1.1:1.0: USB hub found
     
278. [    5.047449] hub 1-1.1:1.0: 4 ports detected
     
279. [    5.650692] bcmgenet fd580000.ethernet: configuring instance for external RGMII (RX delay)
     
280. [    5.651114] bcmgenet fd580000.ethernet eth0: Link is Down
     
281. [    5.895536] random: crng init done
     
282. [    5.895553] random: 7 urandom warning(s) missed due to ratelimiting
     
283. [    6.008898] uart-pl011 fe201000.serial: no DMA platform data
     
284. [    6.266436] Adding 102396k swap on /var/swap.  Priority:-2 extents:1 across:102396k SSFS
     
285. [    9.725293] bcmgenet fd580000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
     
286. [    9.725349] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
     
287. [   12.688250] Bluetooth: Core ver 2.22
     
288. [   12.688346] NET: Registered protocol family 31
     
289. [   12.688356] Bluetooth: HCI device and connection manager initialized
     
290. [   12.688384] Bluetooth: HCI socket layer initialized
     
291. [   12.688402] Bluetooth: L2CAP socket layer initialized
     
292. [   12.688432] Bluetooth: SCO socket layer initialized
     
293. [   12.696672] Bluetooth: HCI UART driver ver 2.3
     
294. [   12.696691] Bluetooth: HCI UART protocol H4 registered
     
295. [   12.696767] Bluetooth: HCI UART protocol Three-wire (H5) registered
     
296. [   12.697148] Bluetooth: HCI UART protocol Broadcom registered
     
297. [   12.833432] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
     
298. [   12.833440] Bluetooth: BNEP filters: protocol multicast
     
299. [   12.833453] Bluetooth: BNEP socket layer initialized
     
300. [   13.094185] cryptd: max_cpu_qlen set to 1000
     
301. [   17.471134] broken atomic modeset userspace detected, disabling atomic
     
302. [   18.930699] fuse: init (API version 7.31)
     
303. [   19.471941] Bluetooth: RFCOMM TTY layer initialized
     
304. [   19.471961] Bluetooth: RFCOMM socket layer initialized
     
305. [   19.471985] Bluetooth: RFCOMM ver 1.11
     
306. 
     
307. [   46.400915] xdma:char_sgdma_llseek: char_sgdma_llseek: pos=0
     
308. 
     
309. [   46.401306] xdma:char_sgdma_read_write: file 0x000000006d736213, priv 0x00000000d3008134, buf 0x000000001634ff6d,512, pos 0, W 1, 0-H2C0-MM.
     
310. [   46.401343] xdma:xdma_init_request: ep 0x0, desc 1+0.
     
311. [   46.401360] xdma:xdma_request_cb_dump: request 0x00000000fbf8241c, total 512, ep 0x0, sw_desc 1, sgt 0x000000001b1e1795.
     
312. [   46.401372] xdma:sgt_dump: sgt 0x000000001b1e1795, sgl 0x000000007716ec8a, nents 1/1.
     
313. [   46.401385] xdma:sgt_dump: 0, 0x000000007716ec8a, pg 0x0000000049319613,3312+512, dma 0x75fa2cf0,512.
     
314. [   46.401396] xdma:xdma_request_cb_dump: 0/1, 0x75fa2cf0, 512.
     
315. [   46.401406] xdma:xdma_xfer_submit: 0-H2C0-MM, len 512 sg cnt 1.
     
316. [   46.401419] xdma:transfer_init: xfer= 00000000cb71e112 transfer->desc_bus = 0x1f050000.
     
317. [   46.401426] xdma:transfer_build: sw desc 0/1: 0x75fa2cf0, 0x200, ep 0x0.
     
318. [   46.401434] xdma:xdma_get_next_adj: xdma_get_next_adj: remaining_desc 0, next_lo 0x0
     
319. [   46.401440] xdma:transfer_init: set next adj at index 0 to 0
     
320. [   46.401497] xdma:xdma_xfer_submit: xfer, 512, ep 0x200, done 0, sg 1/1.
     
321. 
     
322. [   46.401509] xdma:transfer_dump: xfer 0x00000000cb71e112, state 0x0, f 0x1, dir 1, len 512, last 1.
     
323. 
     
324. [   46.401520] xdma:transfer_dump: transfer 0x00000000cb71e112, desc 1, bus 0x1f050000, adj 1.
     
325. [   46.401533] xdma:dump_desc: 0xffffffc011cc5000/0x00: 0xad4b0013 0xad4b0013 magic|extra_adjacent|control
     
326. [   46.401546] xdma:dump_desc: 0xffffffc011cc5004/0x04: 0x00000200 0x00000200 bytes
     
327. [   46.401557] xdma:dump_desc: 0xffffffc011cc5008/0x08: 0x75fa2cf0 0x75fa2cf0 src_addr_lo
     
328. [   46.401568] xdma:dump_desc: 0xffffffc011cc500c/0x0c: 0x00000000 0x00000000 src_addr_hi
     
329. [   46.401578] xdma:dump_desc: 0xffffffc011cc5010/0x00: 0x00000000 0x00000000 dst_addr_lo
     
330. [   46.401616] xdma:dump_desc: 0xffffffc011cc5014/0x04: 0x00000000 0x00000000 dst_addr_hi
     
331. [   46.401626] xdma:dump_desc: 0xffffffc011cc5018/0x08: 0x00000000 0x00000000 next_addr
     
332. [   46.401637] xdma:dump_desc: 0xffffffc011cc501c/0x0c: 0x00000000 0x00000000 next_addr_pad
     
333. [   46.401645] xdma:dump_desc:
     
334. 
     
335. [   46.401656] xdma:transfer_queue: transfer_queue (transfer=0x00000000cb71e112).
     
336. [   46.401667] xdma:transfer_queue: transfer_queue(): starting 0-H2C0-MM engine.
     
337. [   46.401674] xdma:engine_start: engine_start(0-H2C0-MM): transfer=0x00000000cb71e112.
     
338. [   46.401680] xdma:engine_start: iowrite32(0x1f050000 to 0x0000000073e0cf3b) (first_desc_lo)
     
339. [   46.401687] xdma:__write_register: engine_start: w reg 0x3f9783ac18(0x0000000073e0cf3b), 0x1f050000.
     
340. [   46.401693] xdma:engine_start: iowrite32(0x00000000 to 0x00000000ac157693) (first_desc_hi)
     
341. [   46.401699] xdma:__write_register: engine_start: w reg 0x3f9783ac1c(0x00000000ac157693), 0x0.
     
342. [   46.401705] xdma:xdma_get_next_adj: xdma_get_next_adj: remaining_desc 1, next_lo 0x1f050000
     
343. [   46.401711] xdma:engine_start: iowrite32(0x00000000 to 0x0000000033dd4895) (first_desc_adjacent)
     
344. [   46.401717] xdma:__write_register: engine_start: w reg 0x3f9783ac20(0x0000000033dd4895), 0x0.
     
345. [   46.401722] xdma:engine_start: ioread32(0x000000005bf6b59d) (dummy read flushes writes).
     
346. [   46.401728] xdma:engine_start_mode_config: iowrite32(0x00f83e1f to 0x00000000289c4ea0) (control)
     
347. [   46.401734] xdma:__write_register: engine_start_mode_config: w reg 0x3f97836ba4(0x00000000289c4ea0), 0xf83e1f.
     
348. [   46.401741] xdma:engine_start_mode_config: ioread32(0x000000005bf6b59d) = 0x00000001 (dummy read flushes writes).
     
349. [   46.401748] xdma:engine_start: 0-H2C0-MM engine 0x00000000a5533440 now running
     
350. [   46.401754] xdma:transfer_queue: transfer=0x00000000cb71e112 started 0-H2C0-MM engine with transfer 0x00000000cb71e112.
     
351. [   46.401759] xdma:transfer_queue: engine->running = 1
     
352. [   46.401773] xdma:xdma_isr: (irq=44, dev 0x00000000934ae97b) <<<< ISR.
     
353. [   46.401780] xdma:xdma_isr: ch_irq = 0x00000001
     
354. [   46.401786] xdma:__write_register: channel_interrupts_disable: w reg 0x2000(0x00000000aea1cb0e), 0x1.
     
355. [   46.401792] xdma:xdma_isr: user_irq = 0x00000000
     
356. [   46.401797] xdma:xdma_isr: schedule_work, 0-H2C0-MM.
     
357. [   46.401832] xdma:engine_service_work: engine_service() for 0-H2C0-MM engine 00000000a5533440
     
358. [   46.401839] xdma:engine_service_shutdown: engine just went idle, resetting RUN_STOP.
     
359. [   46.401844] xdma:xdma_engine_stop: xdma_engine_stop(engine=00000000a5533440)
     
360. [   46.401851] xdma:xdma_engine_stop: Stopping SG DMA 0-H2C0-MM engine; writing 0x00f83e1e to 0x00000000289c4ea0.
     
361. [   46.401857] xdma:__write_register: xdma_engine_stop: w reg 0x3f97836ba4(0x00000000289c4ea0), 0xf83e1e.
     
362. [   46.401862] xdma:xdma_engine_stop: xdma_engine_stop(0-H2C0-MM) done
     
363. [   46.401870] xdma:engine_service: 0-H2C0-MM wb 0x0, desc_count 0, err 0, dequeued 0.
     
364. [   46.401876] xdma:__write_register: channel_interrupts_enable: w reg 0x2000(0x00000000a59cd71c), 0x1.
     
365. [   56.541054] xdma:xdma_xfer_submit: xfer 0x00000000cb71e112,512, s 0x1 timed out, ep 0x200.
     
366. [   56.541069] xdma:engine_reg_dump: 0-H2C0-MM: ioread32(0x0000000066b34433) = 0x1fc00006 (id).
     
367. [   56.541077] xdma:engine_reg_dump: 0-H2C0-MM: ioread32(0x000000005bf6b59d) = 0x00000000 (status).
     
368. [   56.541085] xdma:engine_reg_dump: 0-H2C0-MM: ioread32(0x00000000289c4ea0) = 0x00f83e1e (control)
     
369. [   56.541092] xdma:engine_reg_dump: 0-H2C0-MM: ioread32(0x0000000073e0cf3b) = 0x1f050000 (first_desc_lo)
     
370. [   56.541100] xdma:engine_reg_dump: 0-H2C0-MM: ioread32(0x00000000ac157693) = 0x00000000 (first_desc_hi)
     
371. [   56.541107] xdma:engine_reg_dump: 0-H2C0-MM: ioread32(0x0000000033dd4895) = 0x00000000 (first_desc_adjacent).
     
372. [   56.541114] xdma:engine_reg_dump: 0-H2C0-MM: ioread32(0x00000000e817496d) = 0x00000000 (completed_desc_count).
     
373. [   56.541121] xdma:engine_reg_dump: 0-H2C0-MM: ioread32(0x00000000a43d83f6) = 0x00f83e1e (interrupt_enable_mask)
     
374. [   56.541131] xdma:engine_status_dump: SG engine 0-H2C0-MM status: 0x00000000:
     
375. [   56.541140] xdma:transfer_abort: abort transfer 0x00000000cb71e112, desc 1, engine desc queued 0.
     
376. [   56.541146] xdma:xdma_engine_stop: xdma_engine_stop(engine=00000000a5533440)
     
377. [   56.541153] xdma:xdma_engine_stop: Stopping SG DMA 0-H2C0-MM engine; writing 0x00f83e1e to 0x00000000289c4ea0.
     
378. [   56.541159] xdma:__write_register: xdma_engine_stop: w reg 0x3f97836ba4(0x00000000289c4ea0), 0xf83e1e.
     
379. [   56.541164] xdma:xdma_engine_stop: xdma_engine_stop(0-H2C0-MM) done
     
380. [   56.541174] xdma:transfer_dump: xfer 0x00000000cb71e112, state 0x4, f 0x1, dir 1, len 512, last 1.
     
381. [   56.541186] xdma:transfer_dump: transfer 0x00000000cb71e112, desc 1, bus 0x1f050000, adj 1.
     
382. [   56.541200] xdma:dump_desc: 0xffffffc011cc5000/0x00: 0xad4b0013 0xad4b0013 magic|extra_adjacent|control
     
383. [   56.541211] xdma:dump_desc: 0xffffffc011cc5004/0x04: 0x00000200 0x00000200 bytes
     
384. [   56.541223] xdma:dump_desc: 0xffffffc011cc5008/0x08: 0x75fa2cf0 0x75fa2cf0 src_addr_lo
     
385. [   56.541234] xdma:dump_desc: 0xffffffc011cc500c/0x0c: 0x00000000 0x00000000 src_addr_hi
     
386. [   56.541245] xdma:dump_desc: 0xffffffc011cc5010/0x00: 0x00000000 0x00000000 dst_addr_lo
     
387. [   56.541255] xdma:dump_desc: 0xffffffc011cc5014/0x04: 0x00000000 0x00000000 dst_addr_hi
     
388. [   56.541265] xdma:dump_desc: 0xffffffc011cc5018/0x08: 0x00000000 0x00000000 next_addr
     
389. [   56.541275] xdma:dump_desc: 0xffffffc011cc501c/0x0c: 0x00000000 0x00000000 next_addr_pad
     
390. [   56.541283] xdma:dump_desc:
     
391. [   56.541294] xdma:sgt_dump: sgt 0x000000001b1e1795, sgl 0x000000007716ec8a, nents 1/1.
     
392. [   56.541307] xdma:sgt_dump: 0, 0x000000007716ec8a, pg 0x0000000049319613,3312+512, dma 0x75fa2cf0,512.
     
393. [   56.541475] xdma:char_sgdma_llseek: char_sgdma_llseek: pos=0
     
394. [   56.541509] xdma:char_sgdma_read_write: file 0x00000000b587c28e, priv 0x00000000d80cb9dc, buf 0x000000000b4aa1ea,512, pos 0, W 0, 0-C2H0-MM.
     
395. [   56.541538] xdma:xdma_init_request: ep 0x0, desc 1+0.
     
396. [   56.541552] xdma:xdma_request_cb_dump: request 0x000000001f99fb22, total 512, ep 0x0, sw_desc 1, sgt 0x000000001b1e1795.
     
397. [   56.541562] xdma:sgt_dump: sgt 0x000000001b1e1795, sgl 0x00000000a3693076, nents 1/1.
     
398. [   56.541574] xdma:sgt_dump: 0, 0x00000000a3693076, pg 0x00000000c0c6dc5a,1024+512, dma 0x6f5af400,512.
     
399. [   56.541584] xdma:xdma_request_cb_dump: 0/1, 0x6f5af400, 512.
     
400. [   56.541594] xdma:xdma_xfer_submit: 0-C2H0-MM, len 512 sg cnt 1.
     
401. [   56.541606] xdma:transfer_init: xfer= 000000005a6db70e transfer->desc_bus = 0x1f060000.
     
402. [   56.541613] xdma:transfer_build: sw desc 0/1: 0x6f5af400, 0x200, ep 0x0.
     
403. [   56.541620] xdma:xdma_get_next_adj: xdma_get_next_adj: remaining_desc 0, next_lo 0x0
     
404. [   56.541625] xdma:transfer_init: set next adj at index 0 to 0
     
405. [   56.541636] xdma:xdma_xfer_submit: xfer, 512, ep 0x200, done 0, sg 1/1.
     
406. [   56.541649] xdma:transfer_dump: xfer 0x000000005a6db70e, state 0x0, f 0x1, dir 2, len 512, last 1.
     
407. [   56.541659] xdma:transfer_dump: transfer 0x000000005a6db70e, desc 1, bus 0x1f060000, adj 1.
     
408. [   56.541671] xdma:dump_desc: 0xffffffc011cd6000/0x00: 0xad4b0013 0xad4b0013 magic|extra_adjacent|control
     
409. [   56.541682] xdma:dump_desc: 0xffffffc011cd6004/0x04: 0x00000200 0x00000200 bytes
     
410. [   56.541693] xdma:dump_desc: 0xffffffc011cd6008/0x08: 0x00000000 0x00000000 src_addr_lo
     
411. [   56.541703] xdma:dump_desc: 0xffffffc011cd600c/0x0c: 0x00000000 0x00000000 src_addr_hi
     
412. [   56.541713] xdma:dump_desc: 0xffffffc011cd6010/0x00: 0x6f5af400 0x6f5af400 dst_addr_lo
     
413. [   56.541723] xdma:dump_desc: 0xffffffc011cd6014/0x04: 0x00000000 0x00000000 dst_addr_hi
     
414. [   56.541733] xdma:dump_desc: 0xffffffc011cd6018/0x08: 0x00000000 0x00000000 next_addr
     
415. [   56.541743] xdma:dump_desc: 0xffffffc011cd601c/0x0c: 0x00000000 0x00000000 next_addr_pad
     
416. [   56.541751] xdma:dump_desc:
     
417. [   56.541761] xdma:transfer_queue: transfer_queue (transfer=0x000000005a6db70e).
     
418. [   56.541773] xdma:transfer_queue: transfer_queue(): starting 0-C2H0-MM engine.
     
419. [   56.541783] xdma:engine_start: engine_start(0-C2H0-MM): transfer=0x000000005a6db70e.
     
420. [   56.541789] xdma:engine_start: iowrite32(0x1f060000 to 0x000000005600e8af) (first_desc_lo)
     
421. [   56.541796] xdma:__write_register: engine_start: w reg 0x3f9783b6b8(0x000000005600e8af), 0x1f060000.
     
422. [   56.541801] xdma:engine_start: iowrite32(0x00000000 to 0x00000000d8bd2e07) (first_desc_hi)
     
423. [   56.541807] xdma:__write_register: engine_start: w reg 0x3f9783b6bc(0x00000000d8bd2e07), 0x0.
     
424. [   56.541814] xdma:xdma_get_next_adj: xdma_get_next_adj: remaining_desc 1, next_lo 0x1f060000
     
425. [   56.541819] xdma:engine_start: iowrite32(0x00000000 to 0x000000003b79f2a2) (first_desc_adjacent)
     
426. [   56.541825] xdma:__write_register: engine_start: w reg 0x3f9783b6c0(0x000000003b79f2a2), 0x0.
     
427. [   56.541830] xdma:engine_start: ioread32(0x00000000900bb225) (dummy read flushes writes).
     
428. [   56.541837] xdma:engine_start_mode_config: iowrite32(0x00f83e1f to 0x000000007e577950) (control)
     
429. [   56.541844] xdma:__write_register: engine_start_mode_config: w reg 0x3f97837644(0x000000007e577950), 0xf83e1f.
     
430. [   56.541852] xdma:engine_start_mode_config: ioread32(0x00000000900bb225) = 0x00000001 (dummy read flushes writes).
     
431. [   56.541859] xdma:engine_start: 0-C2H0-MM engine 0x00000000eda2cd6e now running
     
432. [   56.541865] xdma:transfer_queue: transfer=0x000000005a6db70e started 0-C2H0-MM engine with transfer 0x000000005a6db70e.
     
433. [   56.541870] xdma:transfer_queue: engine->running = 1
     
434. [   56.541888] xdma:xdma_isr: (irq=44, dev 0x00000000934ae97b) <<<< ISR.
     
435. [   56.541895] xdma:xdma_isr: ch_irq = 0x00000001
     
436. [   56.541901] xdma:__write_register: channel_interrupts_disable: w reg 0x2000(0x00000000aea1cb0e), 0x1.
     
437. [   56.541907] xdma:xdma_isr: user_irq = 0x00000000
     
438. [   56.541913] xdma:xdma_isr: schedule_work, 0-H2C0-MM.
     
439. [   56.541990] xdma:engine_service_work: engine_service() for 0-H2C0-MM engine 00000000a5533440
     
440. [   56.541995] xdma:engine_service: Engine was not running!!! Clearing status
     
441. [   56.542004] xdma:__write_register: channel_interrupts_enable: w reg 0x2000(0x00000000a59cd71c), 0x1.
     
442. [   66.781048] xdma:xdma_xfer_submit: xfer 0x000000005a6db70e,512, s 0x1 timed out, ep 0x200.
     
443. [   66.781065] xdma:engine_reg_dump: 0-C2H0-MM: ioread32(0x0000000013536901) = 0x1fc10006 (id).
     
444. [   66.781074] xdma:engine_reg_dump: 0-C2H0-MM: ioread32(0x00000000900bb225) = 0x00000001 (status).
     
445. [   66.781082] xdma:engine_reg_dump: 0-C2H0-MM: ioread32(0x000000007e577950) = 0x00f83e1f (control)
     
446. [   66.781090] xdma:engine_reg_dump: 0-C2H0-MM: ioread32(0x000000005600e8af) = 0x1f060000 (first_desc_lo)
     
447. [   66.781097] xdma:engine_reg_dump: 0-C2H0-MM: ioread32(0x00000000d8bd2e07) = 0x00000000 (first_desc_hi)
     
448. [   66.781104] xdma:engine_reg_dump: 0-C2H0-MM: ioread32(0x000000003b79f2a2) = 0x00000000 (first_desc_adjacent).
     
449. [   66.781112] xdma:engine_reg_dump: 0-C2H0-MM: ioread32(0x000000009a1a3ecb) = 0x00000000 (completed_desc_count).
     
450. [   66.781119] xdma:engine_reg_dump: 0-C2H0-MM: ioread32(0x000000004fa62833) = 0x00f83e1e (interrupt_enable_mask)
     
451. [   66.781130] xdma:engine_status_dump: SG engine 0-C2H0-MM status: 0x00000001: BUSY
     
452. [   66.781139] xdma:transfer_abort: abort transfer 0x000000005a6db70e, desc 1, engine desc queued 0.
     
453. [   66.781145] xdma:xdma_engine_stop: xdma_engine_stop(engine=00000000eda2cd6e)
     
454. [   66.781151] xdma:xdma_engine_stop: Stopping SG DMA 0-C2H0-MM engine; writing 0x00f83e1e to 0x000000007e577950.
     
455. [   66.781158] xdma:__write_register: xdma_engine_stop: w reg 0x3f97837644(0x000000007e577950), 0xf83e1e.
     
456. [   66.781163] xdma:xdma_engine_stop: xdma_engine_stop(0-C2H0-MM) done
     
457. [   66.781173] xdma:transfer_dump: xfer 0x000000005a6db70e, state 0x4, f 0x1, dir 2, len 512, last 1.
     
458. [   66.781184] xdma:transfer_dump: transfer 0x000000005a6db70e, desc 1, bus 0x1f060000, adj 1.
     
459. [   66.781197] xdma:dump_desc: 0xffffffc011cd6000/0x00: 0xad4b0013 0xad4b0013 magic|extra_adjacent|control
     
460. [   66.781209] xdma:dump_desc: 0xffffffc011cd6004/0x04: 0x00000200 0x00000200 bytes
     
461. [   66.781220] xdma:dump_desc: 0xffffffc011cd6008/0x08: 0x00000000 0x00000000 src_addr_lo
     
462. [   66.781230] xdma:dump_desc: 0xffffffc011cd600c/0x0c: 0x00000000 0x00000000 src_addr_hi
     
463. [   66.781241] xdma:dump_desc: 0xffffffc011cd6010/0x00: 0x6f5af400 0x6f5af400 dst_addr_lo
     
464. [   66.781251] xdma:dump_desc: 0xffffffc011cd6014/0x04: 0x00000000 0x00000000 dst_addr_hi
     
465. [   66.781261] xdma:dump_desc: 0xffffffc011cd6018/0x08: 0x00000000 0x00000000 next_addr
     
466. [   66.781271] xdma:dump_desc: 0xffffffc011cd601c/0x0c: 0x00000000 0x00000000 next_addr_pad
     
467. [   66.781279] xdma:dump_desc:
     
468. [   66.781290] xdma:sgt_dump: sgt 0x000000001b1e1795, sgl 0x00000000a3693076, nents 1/1.
     
469. [   66.781303] xdma:sgt_dump: 0, 0x00000000a3693076, pg 0x00000000c0c6dc5a,1024+512, dma 0x6f5af400,512.
     
470. 
     
471. 
     

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正点原子

帮顶

小花和翠花

楼主解决了吗？我是运行在海思芯片上，逻辑板子对接，pcie寄存器没问题，但是dma的读写有问题