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标题: pcie在某寄存器处写入和读取会失败. [打印本页]

作者: duhualieqt 时间: 2024-7-22 14:49
标题: pcie在某寄存器处写入和读取会失败.
1.首先,设备上电,pcie bar分配打印如下:

[ 27.690409] rk-pcie fe160000.pcie: invalid prsnt-gpios property in node
[  709468] rk-pcie fe160000.pcie: missing legacy IRQ resource
[ 30.355071] rk-pcie fe160000.pcie: IRQ msi not found
7.709484] rk-pcie fe160000.pcie: use outband MSI support
[ 27.709488] rk-pcie fe160000.pcie: Missing *config* reg space
[ 27.709495] rk-pcie fe160000.pcie: host bridge /pcie@fe160000 ranges:
[ 27.709511] rk-pcie fe160000.pcie:    err 0x00f1000000..0x00f10fffff -> 0x00f1000000
[ 27.709518] rk-pcie fe160000.pcie:    IO 0x00f1100000..0x00f11fffff -> 0x00f1100000
[ 27.709526] rk-pcie fe160000.pcie:    MEM 0x0940000000..0x094effffff -> 0x00f1200000
[ 27.709532] rk-pcie fe160000.pcie:    MEM 0x0950000000..0x097fffffff -> 0x0950000000
[ 27.709557] rk-pcie fe160000.pcie: Missing *config* reg space
[ 27.709581] rk-pcie fe160000.pcie: invalid resource
[ 27.969785] re fe160000.pcie: PCIe Link up, LTSSM is 0x11
[ 27.970023] rk-pcie fe160000.pciCI host bridge to 0001:10
[ 27.31] pci_bus 0001:10: root bus resource [bus 10-1f]
[ 27.970051] pci_bus 0001:10: root bus resource [??? 0xf1000000-0xf10fffff flags 0x0]
[ 27.970057] pci_bus 0001:10: root bus resource [io  0x100000-0x1fffff] (bus address [0xf1100000-0xf11fffff])
[ 27.970062] pci_bus 0001:10: root bus resource [mem 0x940000000-0x94effffff] (bus address [0xf1200000-0x1001fffff])
[ 27.970066] pci_bus 0001:10: root bus resource [mem 0x950000000-0x97fffffff pref]
[ 27.970087] pci 0001:10:00.0: [1d87:3588] type 01 class 0x060400
[ 27.970100] pci 0001:10:00.0: reg 0x38: [mem 0x00000000-0x0000ffff pref]
[ 27.970136] pci 0001:10:00.0: supports D1 D2
[ 27.970140] pci 0001:10:00.0: PME# supported from D0 D1 D3hot
[ 27.973791] pci 0001:10:00.0: Primary bus is hard wired to 0
[ 27.973799] pci 0001:10:00.0: bridge configuration invalid ([bus 01-ff]), reconfiguring
[ 27.974046] pci 0001:11:00.0: [1619:9024] type 00 class 0x028000
[ 27.974110] pci 0001:11:00.0: reg 0x10: [mem 0x00000000-0x00ffffff 64bit]
[ 27.974147] pci 0001:11:00.0: reg 0x18: [mem 0x00000000-0x000fffff 64bit]
[ 27.974185] pci 0001:11:00.0: reg 0x20: [mem 0x00000000-0x00ffffff 64bit]
[ 27.986105] pci_bus 0001:11: busn_res: [bus 11-1f] end is updated to 11
[ 27.986146] pci 0001:10:00.0: 0708 BAR 8: assigned [mem 0x940000000-0x9427fffff] [0x940000000~0x9427fffff]
[ 27.986153] pci 0001:10:00.0: 0708 BAR 6: assigned [mem 0x942800000-0x94280ffff pref] [0x942800000~0x94280ffff]
[ 27.986163] pci 0001:11:00.0: 0708BAR 0: assigned [mem 0x940000000-0x940ffffff 64bit] [0x940000000~0x940ffffff]
[ 27.986183] pci 0001:11:00.0: BAR 0: error updating (0xf1200004 != 0xf1000004)
[ 27.986200] pci 0001:11:00.0: 0708 BAR 4: assigned [mem 0x941000000-0x941ffffff 64bit] [0x941000000~0x941ffffff]
[ 27.986219] pci 0001:11:00.0: BAR 4: error updating (0xf2200004 != 0xf2000004)
[ 27.986235] pci 0001:11:00.0: 0708 BAR 2: assigned [mem 0x942000000-0x9420fffff 64bit] [0x942000000~0x9420fffff]
[ 27.986267] pci 0001:10:00.0: PCI bridge to [bus 11]
[ 27.987761] pcieport 0001:10:00.0: PME: Signaing with IRQ 1270-0x9427fffff]

[root@AnchorSec:/app/bin]# insmod ./sdk_linuxkm.ko
[ 59.682462] [Kernel: haki_pci_probe - 1504] dev: 0x00000000f1d9d49f, pciid: 0x00000000d0f6119a, irq: 118
[ 59.682493] linux-kernel-dev 0001:11:00.0: enabling device (0000 -> 0002)
[ 59.682515] [Kernel: haki_pci_probe - 1532] Set DMA to 32 bit mode
[ 59.682519] [Kernel: haki_pci_probe - 1549] Found chip with name: linux-kernel-dev0
[ 59.682524] [Kernel: haki_pci_probe - 1550] vendor id: 0x1619
[ 59.682527] [Kernel: haki_pci_probe - 1551] device id: 0x9024
[ 59.682547] [Kernel: haki_pci_probe - 1564] BAR 0 address: 0x940000000
[ 59.682550] [Kernel: haki_pci_probe - 1565] BAR 0 length: 16777216(0x1000000) bytes
[ 59.682561] [Kernel: haki_pci_probe - 1577] BAR 2 address: 0x942000000
[ 59.682564] [Kernel: haki_pci_probe - 1578] BAR 2 length: 1048576(0x100000) bytes
[ 59.682580] [Kernel: haki_pci_probe - 1590] BAR 4 address: 0x941000000
[ 59.682583] [Kernel: haki_pci_probe - 1591] BAR 4 length: 16777216(0x1000000) bytes
[ 59.682589] [Kernel: haki_pci_probe - 1630] chip: 0, domain: 0x1, bus: 0x11, devid: 0x0, function: 0x0
[ 59.682667] [Kernel: haki_get_chip_info - 1217] chip: linux-kernel-dev0@000000007bded903, vendor: 0x1619, device: 0x9024
[ 59.683300] SDK Info:
[ 59.683307] sdk_version    : sdk-src-esc.6.4.2-r28659
[ 59.683310] compiled       : Jul 18 2024 16:29:27
[ 59.683313]
[ 59.683316] Chip Configuration:
[ 59.683319] MagicNum       : 0x5a5aa5a5
[ 59.683322] Content_Type    : 0x0
[ 59.683325] Length          : 0x80
[ 59.683328] Device_ID       : 0x9911
[ 59.683331] HW_Type          : 0x1
[ 59.683334] HW_Major_Version  : 0x1
[ 59.683336] HW_Minor_Version  : 0xabcd
[ 59.683340] Mac             : 9a:78:9a:34:12:00
[ 59.683343] Product_name    : zmmc-1234567890
[ 59.683346] CRC             : 0x0
[ 59.683351] default_probe: probe success

.0x20000这里的addr处可以写入和读取成功,
0x00000这里的addr处可以写入和读取失败;

2.pcie设备写入和读取截取的信息如下:

[ 59.683367] [Kernel: haki_get_chip_info - 1217] chip: linux-kernel-dev0@000000007bded903, vendor: 0x1619, device: 0x9024
[ 59.683385] [Kernel: csl_groot_chip_is_sf9028 - 440] chip_id:0x0 addr: 0x20000 bar:0x4 will write reg_data:0xc2c020000000000
[ 59.683391] [Kernel: csl_groot_chip_is_sf9028 - 446] chip_id:0x0 addr: 0x20000 bar:0x4 write reg_data:0xc2c020000000000
[ 59.683427] [Kernel: csl_groot_chip_is_sf9028 - 453] chip_id:0x0 addr: 0x20000 bar:0x4 read reg_data:0xc2c020000000000 ret:0
[ 59.683436] [Kernel: csl_groot_chip_is_sf9028 - 458] chip_id:0x0 addr: 0x20000 bar:0x4 read reg_data:0xc2c020000000000 device_id:0x0
[ 59.683442] [Kernel: csl_groot_chip_is_sf9028 - 476] chip_id:0x0 addr: 0x2e0250 bar:0x4
[ 59.683451] [Kernel: csl_groot_chip_is_sf9028 - 483] chip_id:0x0 addr: 0x2e0250 bar:0x4 read reg_data:0x0 device_id:0x0 ret: 0
[ 59.683459] [Kernel: csl_groot_sf9056_reg_tab_init - 720] chip_id: 0x0 ret:0
[ 59.686709] [Kernel: csl_groot_sf9056_reg_tab_init - 768] chip_id: 0x0 ret:0
[ 59.686722] [Kernel: csl_groot_sf9056_reg_tab_init - 772] chip_id: 0x0 ret:0
[ 59.686728] [Kernel: csl_groot_sf9056_reg_tab_init - 777] chip_id: 0x0 ret:0
[ 59.686844] [Kernel: csl_groot_sf9056_reg_tab_init - 782] chip_id: 0x0 ret:0
[ 59.686848] [Kernel: csl_groot_sf9056_reg_tab_init - 787] chip_id: 0x0 ret:0
[ 59.686855] [Kernel: csl_groot_sf9056_reg_tab_init - 794] chip_id: 0x0 ret:0
[ 59.686860] [Kernel: csl_groot_sf9056_reg_tab_init - 799] chip_id: 0x0 ret:0
[ 59.688070] [Kernel: csl_groot_sf9056_reg_tab_init - 803] chip_id: 0x0 ret:0
[ 59.688197] [Kernel: csl_groot_sf9056_reg_tab_init - 807] chip_id: 0x0 ret:0
[ 59.688201] [Kernel: csl_groot_sf9056_reg_tab_init - 811] chip_id: 0x0
[ 59.688205] [Kernel: sf9056_get_freq - 507] 000 sf9056_get_freq chip_id is 0.
[ 59.689220] [Kernel: sf9056_get_freq - 519] sf9056_get_freq chip_id:0x0 read pll700_data:0x0
[ 59.689225] [Kernel: sf9056_get_freq - 526] read  chip_id:0X0 bar4 pll700_data:0x0 !
[ 59.689229] [Kernel: sf9056_get_freq - 530] read pll700_data:0x0 loop failed, the param is empty !
[ 59.689236] [1970-1-1 0:0:58 TOP ERROR csl_groot_sf9056_reg_tab_init.c:00812 chip:00]
[ 59.689238] sf9056_get_freq(chip_id, &csl_ctrl->freq), errcode = -2 [Out of memory]
[ 59.689243] [Kernel: csl_groot_sf9056_reg_tab_init - 818] chip_id: 0x0 ret:-2
[ 59.689248] [1970-1-1 0:0:58 TOP ERROR csl_groot_ctrl.c:00322 chip:00]
[ 59.689250] csl_groot_init_chip_func[chip_type](chip_id), errcode = -2 [Out of memory]
[ 59.689257] [1970-1-1 0:0:58 REG ERROR csl_groot_reg_tab_init.c:00012 chip:00]
[ 59.689258] chip init failed!

详情见附件.
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