f133

+## ⚡ 3. Data Rate (Theoretical)

+

+| PCIe Version | Data Rate per Lane | Total (Mini PCIe x1) |

+|--------------|--------------------|-----------------------|

+| PCIe 1.0 | 250 MB/s | 250 MB/s |

+| PCIe 2.0 | 500 MB/s | 500 MB/s |

+| PCIe 3.0 | 1.0 GB/s | Rare on Mini PCIe |

+

+⚠️ **Mini PCIe is usually limited to Gen 1 or 2**, due to older spec and hardware.

+

+---

+

+## 🧰 4. Use Cases

+

+| PCIe (Standard) | Mini PCIe |

+|-------------------------------|-------------------------------|

+| GPUs, SSDs, network cards | Wi-Fi cards, 3G/4G modems |

+| Desktop motherboards | Laptops, embedded systems |

+| High-speed, high-power cards | Low-power, compact modules |

+

+---

+

+## 🔌 5. Connector & Pinout

+

+| Feature | PCIe x1/x16 | Mini PCIe |

+|------------------|------------------------|---------------------------------|

+| Pin Count | 36 pins (x1) to 164 (x16) | 52 pins (edge connector) |

+| Signal Types | PCIe lanes only | PCIe + USB + SMBus + LED + more |

+

+📎 Mini PCIe includes:

+- PCIe x1

+- USB 2.0 (shared bus)

+- SMBus

+- 3.3V Power

+- Optional SATA

+- LED control pins

+

+---

+

+## ⚙️ 6. Hot Plug / Power

+

+| Feature | PCIe | Mini PCIe |

+|-------------------|-----------------------|------------------------------|

+| Hot Plug Support | ✅ (in some systems) | ❌ Usually not supported |

+| Power | 12V / 3.3V (depends) | 3.3V only (3.3Vaux + 3.3V) |

+| Max Power | 10–75W+ (x16 GPU) | ~3W typical |

+

+

+4-layer PCB in the Mini PCIe form factor — and it’s actually common practice in commercial designs, especially for:

+- Wireless cards (Wi-Fi/BT)

+- 3G/4G/5G modem modules

+- Industrial I/O modules

+- Embedded controllers

+

+- [[PCB-dat]]

+

+- [[PCIE-dat]] - [[M2-dat]]

+- [[f133-dat]]

+

+| UART0 rx | PE3 | 7 | 8 | GND | GND |

+| UART0 tx | PE2 | 9 | 10 | D0+ | D0+ |

+

+# F133-boot-log-dat.md

+

+ [32]HELLO! BOOT0 is starting!

+ [35]BOOT0 commit : adaf1174cc

+ [38]set pll start

+ [40]periph0 has been enabled

+ [43]set pll end

+ [44][pmu]: bus read error

+ [46]board init ok

+ [48]ZQ value = 0x31

+ [50]get_pmu_exist() = -1

+ [53]ddr_efuse_type: 0xa

+ [55]trefi:7.8ms

+ [57][AUTO DEBUG] single rank and full DQ!

+ [61]ddr_efuse_type: 0xa

+ [63]trefi:7.8ms

+ [65][AUTO DEBUG] rank 0 row = 13

+ [68][AUTO DEBUG] rank 0 bank = 4

+ [71][AUTO DEBUG] rank 0 page size = 2 KB

+ [75]DRAM BOOT DRIVE INFO: V0.33

+ [78]DRAM CLK = 528 MHz

+ [80]DRAM Type = 2 (2:DDR2,3:DDR3)

+ [83]DRAMC read ODT off.

+ [85]DRAM ODT off.

+ [87]ddr_efuse_type: 0xa

+ [90]DRAM SIZE =64 M

+ [92]dram_tpr4:0x0

+ [93]PLL_DDR_CTRL_REG:0xf8002b00

+ [96]DRAM_CLK_REG:0xc0000000

+ [99][TIMING DEBUG] MR2= 0x0

+ [103]DRAM simple test OK.

+ [106]dram size =64

+ [107]card no is 0

+ [109]sdcard 0 line count 4

+ [112][mmc]: mmc driver ver 2021-04-2 16:45

+ [121][mmc]: Wrong media type 0x0

+ [124][mmc]: ***Try SD card 0***

+ [133][mmc]: HSSDR52/SDR25 4 bit

+ [136][mmc]: 50000000 Hz

+ [138][mmc]: 15343 MB

+ [140][mmc]: ***SD/MMC 0 init OK!!!***

+ [191]Loading boot-pkg Succeed(index=0).

+ [194]Entry_name = opensbi

+ [198]Entry_name = u-boot

+ [201]Entry_name = dtb

+ [204]mmc not para

+ [206]Jump to second Boot.

+

+ OpenSBI auto-t113-linux-V0.8-1-g771d82e

+ ____ _____ ____ _____

+ / __ \ / ____| _ \_ _|

+ | | | |_ __ ___ _ __ | (___ | |_) || |

+ | | | | '_ \ / _ \ '_ \ \___ \| _ < | |

+ | |__| | |_) | __/ | | |____) | |_) || |_

+ \____/| .__/ \___|_| |_|_____/|____/_____|

+ | |

+ |_|

+

+ Platform Name : T-HEAD Xuantie Platform

+ Platform HART Features : RV64ACDFIMSUVX

+ Platform Max HARTs : 1

+ Current Hart : 0

+ Firmware Base : 0x41fc0400

+ Firmware Size : 75 KB

+ Runtime SBI Version : 0.2

+

+ MIDELEG : 0x0000000000000222

+ MEDELEG : 0x000000000000b1ff

+ PMP0 : 0x0000000041fc0000-0x0000000041fdffff (A)

+ PMP1 : 0x0000000040000000-0x000000007fffffff (A,R,W,X)

+ PMP2 : 0x0000000080000000-0x00000000bfffffff (A,R,W,X)

+ PMP3 : 0x0000000000020000-0x0000000000027fff (A,

+

+ U-Boot 2018.05-g2a1965a (Jul 10 2022 - 02:50:57 +0000) Allwinner Technology

+

+ [00.291]DRAM: 64 MiB

+ [00.293]Relocation Offset is: 01ed9000

+ [00.297]secure enable bit: 0

+ [00.300]CPU=1008 MHz,PLL6=600 Mhz,AHB=200 Mhz, APB1=100Mhz MBus=300Mhz

+ [00.306]flash init start

+ [00.308]workmode = 0,storage type = 1

+ [00.312][mmc]: mmc driver ver uboot2018:2021-12-20 13:35:00

+ [00.317][mmc]: get sdc_type fail and use default host:tm1.

+ [00.324][mmc]: can't find node "mmc0",will add new node

+ [00.328][mmc]: fdt err returned <no error>

+ [00.332][mmc]: Using default timing para

+ [00.336][mmc]: SUNXI SDMMC Controller Version:0x50310

+ [00.354][mmc]: card_caps:0x3000000a

+ [00.357][mmc]: host_caps:0x3000003f

+ [00.360]sunxi flash init ok

+ [00.363]line:703 init_clocks

+ [00.366]drv_disp_init

+ request pwm success, pwm7:pwm7:0x2000c00.

+ fdt get node offset faill: hdmi

+ [00.384]unable to map hdmi registers

+ [00.387]drv_disp_init finish

+ [00.404]Loading Environment from SUNXI_FLASH... OK

+ [00.425]boot_gui_init:start

+ [00.428]set disp.dev2_output_type fail. using defval=0

+ [00.435]boot_gui_init:finish

+ partno erro : can't find partition bootloader

+ 54 bytes read in 1 ms (52.7 KiB/s)

+ [00.448]bmp_name=bootlogo.bmp size 28854

+ 28854 bytes read in 20 ms (1.4 MiB/s)

+ [00.478]out of usb burn from boot: not need burn key

+ [00.483]Item0 (Map) magic is bad

+ [00.486]the secure storage item0 copy0 magic is bad

+ [00.491]Item0 (Map) magic is bad

+ [00.494]the secure storage item0 copy1 magic is bad

+ [00.499]Item0 (Map) magic is bad

+ List file under ULI/factory

+ ** Unrecognized filesystem type **

+ root_partition is rootfs

+ set root to /dev/mmcblk0p5

+ [00.513]update part info

+ [00.517]update bootcmd

+ [00.522]change working_fdt 0x42a98da0 to 0x42a78da0

+ disable nand error: FDT_ERR_BADPATH

+ [00.531]The storage not support sample function

+ No reserved memory region found in source FDT

+ [00.556]update dts

+ noncached_alloc(): addr = 0x42b02a40

+ noncached_alloc(): addr = 0x42b02a80

+ noncached_alloc(): addr = 0x42b02ac0

+ noncached_alloc(): addr = 0x42b03300

+ geth_sys_init:639: get node 'gmac0' error

+ geth_sys_init fail!

+ [00.576]Board Net Initialization Failed

+ [00.580]No ethernet found.

+ Hit any key to stop autoboot: 1 FDT ERROR:get muxsel err returned FDT_ERR_INTERNAL

+ sunxi_pwm_pin_set_state, fdt_set_all_pin, ret=-1

+ [00.625]LCD open finish

+  0

+ [01.882]no vendor_boot partition is found

+ Android's image name: f133-mq_r

+ Detect comp none

+ [01.898]

+ Starting kernel ...

+

+ [01.901][mmc]: MMC Device 2 not found

+ [01.905][mmc]: mmc 2 not find, so not exit

+ [ 0.000000] Linux version 5.4.61 (test@test-virtual-machine) (riscv64-unknown-linux-gnu-gcc (C-SKY RISCV Tools V1.8.4 B20200702) 8.1.0, GNU ld (GNU Binutils) 2.32) #2 PREEMPT Tue May 2 06:32:35 UTC 2023

+ [ 0.000000] Zone ranges:

+ [ 0.000000] DMA32 [mem 0x0000000040000000-0x0000000043ffffff]

+ [ 0.000000] Normal empty

+ [ 0.000000] Movable zone start for each node

+ [ 0.000000] Early memory node ranges

+ [ 0.000000] node 0: [mem 0x0000000040000000-0x0000000043ffffff]

+ [ 0.000000] Initmem setup node 0 [mem 0x0000000040000000-0x0000000043ffffff]

+ [ 0.000000] On node 0 totalpages: 16384

+ [ 0.000000] DMA32 zone: 224 pages used for memmap

+ [ 0.000000] DMA32 zone: 0 pages reserved

+ [ 0.000000] DMA32 zone: 16384 pages, LIFO batch:3

+ [ 0.000000] elf_hwcap is 0x20112d

+ [ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768

+ [ 0.000000] pcpu-alloc: [0] 0

+ [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 16160

+ [ 0.000000] Kernel command line: earlyprintk=sunxi-uart,0x02500000 clk_ignore_unused initcall_debug=0 console=ttyS0,115200 loglevel=8 root=/dev/mmcblk0p5 init=/pseudo_init partitions=boot-resource@mmcblk0p1:env@mmcblk0p2:env-redund@mmcblk0p3:boot@mmcblk0p4:rootfs@mmcblk0p5:private@mmcblk0p6:rootfs_data@mmcblk0p7:UDISK@mmcblk0p8 cma=0M snum= mac_addr= wifi_mac= bt_mac= specialstr= gpt=1 androidboot.mode=normal androidboot.hardware=sun20iw1p1 boot_type=1 androidboot.boot_type=1 gpt=1 uboot_message=2018.05-g2a1965a(07/10/2022-02:50:57) mbr_o

+ [ 0.000000] Dentry cache hash table entries: 8192 (order: 4, 65536 bytes, linear)

+ [ 0.000000] Inode-cache hash table entries: 4096 (order: 3, 32768 bytes, linear)

+ [ 0.000000] Sorting __ex_table...

+ [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off

+ [ 0.000000] Memory: 55896K/65536K available (4123K kernel code, 405K rwdata, 1699K rodata, 136K init, 229K bss, 9640K reserved, 0K cma-reserved)

+ [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1

+ [ 0.000000] rcu: Preemptible hierarchical RCU implementation.

+ [ 0.000000] Tasks RCU enabled.

+ [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.

+ [ 0.000000] NR_IRQS: 0, nr_irqs: 0, preallocated irqs: 0

+ [ 0.000000] plic: mapped 200 interrupts with 1 handlers for 2 contexts.

+ [ 0.000000] riscv_timer_init_dt: Registering clocksource cpuid [0] hartid [0]

+ [ 0.000000] clocksource: riscv_clocksource: mask: 0xffffffffffffffff max_cycles: 0x588fe9dc0, max_idle_ns: 440795202592 ns

+ [ 0.000006] sched_clock: 64 bits at 24MHz, resolution 41ns, wraps every 4398046511097ns

+ [ 0.000027] riscv_timer_clockevent depends on broadcast, but no broadcast function available

+ [ 0.000365] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns

+ [ 0.000940] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=240000)

+ [ 0.000962] pid_max: default: 32768 minimum: 301

+ [ 0.001123] Mount-cache hash table entries: 512 (order: 0, 4096 bytes, linear)

+ [ 0.001142] Mountpoint-cache hash table entries: 512 (order: 0, 4096 bytes, linear)

+ [ 0.002829] ASID allocator initialised with 65536 entries

+ [ 0.003000] rcu: Hierarchical SRCU implementation.

+ [ 0.003670] devtmpfs: initialized

+ [ 0.019704] random: get_random_u32 called from bucket_table_alloc.isra.27+0x102/0x124 with crng_init=0

+ [ 0.020661] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns

+ [ 0.020690] futex hash table entries: 256 (order: 0, 6144 bytes, linear)

+ [ 0.020830] pinctrl core: initialized pinctrl subsystem

+ [ 0.022223] NET: Registered protocol family 16

+ [ 0.022989] DMA: preallocated 256 KiB pool for atomic allocations

+ [ 0.023663] cpuidle: using governor menu

+ [ 0.066933] rtc_ccu: sunxi ccu init OK

+ [ 0.075469] clock: sunxi ccu init OK

+ [ 0.077352] clock: sunxi ccu init OK

+ [ 0.107807] iommu: Default domain type: Translated

+ [ 0.108001] sunxi iommu: irq = 4

+ [ 0.109244] SCSI subsystem initialized

+ [ 0.109497] usbcore: registered new interface driver usbfs

+ [ 0.109592] usbcore: registered new interface driver hub

+ [ 0.109709] usbcore: registered new device driver usb

+ [ 0.110979] Advanced Linux Sound Architecture Driver Initialized.

+ [ 0.111975] pwm module init!

+ [ 0.113668] g2d 5410000.g2d: Adding to iommu group 0

+ [ 0.114193] G2D: rcq version initialized.major:252

+ [ 0.115215] clocksource: Switched to clocksource riscv_clocksource

+ [ 0.129104] sun8iw20-pinctrl 2000000.pinctrl: initialized sunXi PIO driver

+ [ 0.132498] NET: Registered protocol family 2

+ [ 0.133391] tcp_listen_portaddr_hash hash table entries: 256 (order: 0, 4096 bytes, linear)

+ [ 0.133435] TCP established hash table entries: 512 (order: 0, 4096 bytes, linear)

+ [ 0.133456] TCP bind hash table entries: 512 (order: 0, 4096 bytes, linear)

+ [ 0.133471] TCP: Hash tables configured (established 512 bind 512)

+ [ 0.133619] UDP hash table entries: 256 (order: 1, 8192 bytes, linear)

+ [ 0.133666] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes, linear)

+ [ 0.133897] NET: Registered protocol family 1

+ [ 0.135067] sun8iw20-pinctrl 2000000.pinctrl: 2000000.pinctrl supply vcc-pc not found, using dummy regulator

+ [ 0.135789] spi spi0: spi0 supply spi not found, using dummy regulator

+ [ 0.136063] sunxi_spi_resource_get()2116 - [spi0] SPI MASTER MODE

+ [ 0.136125] sunxi_spi_resource_get()2154 - Failed to get sample mode

+ [ 0.136136] sunxi_spi_resource_get()2159 - Failed to get sample delay

+ [ 0.136146] sunxi_spi_resource_get()2163 - sample_mode:-1431633921 sample_delay:-1431633921

+ [ 0.136210] sunxi_spi_clk_init()2205 - [spi0] mclk 100000000

+ [ 0.137048] sunxi_spi_probe()2623 - [spi0]: driver probe succeed, base ffffffd004058000, irq 31

+ [ 0.139181] workingset: timestamp_bits=62 max_order=14 bucket_order=0

+ [ 0.147950] squashfs: version 4.0 (2009/01/31) Phillip Lougher

+ [ 0.148208] ntfs: driver 2.1.32 [Flags: R/W].

+ [ 0.148557] fuse: init (API version 7.31)

+ [ 0.169851] io scheduler mq-deadline registered

+ [ 0.169868] io scheduler kyber registered

+ [ 0.170787] [DISP]disp_module_init

+ [ 0.171417] disp 5000000.disp: Adding to iommu group 0

+ [ 0.171973] [DISP] parser_disp_init_para,line:1430:

+ [ 0.171977] of_property_read fb0_width fail

+ [ 0.171999] [DISP] disp_init,line:2386:

+ [ 0.172004] smooth display screen:0 type:1 mode:4

+ [ 0.213322] display_fb_request,fb_id:0

+ [ 0.221666] Freeing logo buffer memory: 1500K

+ [ 0.222198] disp_al_manager_apply ouput_type:1

+ [ 0.222633] sun8iw20-pinctrl 2000000.pinctrl: 2000000.pinctrl supply vcc-pd not found, using dummy regulator

+ [ 0.223441] [DISP]disp_module_init finish

+ [ 0.224359] sunxi_sid_init()551 - insmod ok

+ [ 0.224974] pwm-regulator: supplied by regulator-dummy

+ [ 0.226806] sun8iw20-pinctrl 2000000.pinctrl: 2000000.pinctrl supply vcc-pe not found, using dummy regulator

+ [ 0.227292] uart uart0: uart0 supply uart not found, using dummy regulator

+ [ 0.227690] uart0: ttyS0 at MMIO 0x2500000 (irq = 18, base_baud = 1500000) is a SUNXI

+ [ 0.227718] sw_console_setup()1808 - console setup baud 115200 parity n bits 8, flow n

+ [ 0.946116] printk: console [ttyS0] enabled

+ [ 0.952001] misc dump reg init

+ [ 0.956527] sun8iw20-pinctrl 2000000.pinctrl: 2000000.pinctrl supply vcc-pg not found, using dummy regulator

+ [ 0.967849] sunxi-rfkill soc@3000000:rfkill@0: module version: v1.0.9

+ [ 0.975097] sunxi-rfkill soc@3000000:rfkill@0: get gpio chip_en failed

+ [ 0.982444] sunxi-rfkill soc@3000000:rfkill@0: get gpio power_en failed

+ [ 0.989860] sunxi-rfkill soc@3000000:rfkill@0: wlan_busnum (1)

+ [ 0.996445] sunxi-rfkill soc@3000000:rfkill@0: Missing wlan_power.

+ [ 1.003371] sunxi-rfkill soc@3000000:rfkill@0: wlan clock[0] (32k-fanout1)

+ [ 1.011149] sunxi-rfkill soc@3000000:rfkill@0: wlan_regon gpio=204 assert=1

+ [ 1.019036] sunxi-rfkill soc@3000000:rfkill@0: wlan_hostwake gpio=202 assert=1

+ [ 1.027232] sunxi-rfkill soc@3000000:rfkill@0: wakeup source is enabled

+ [ 1.034908] sunxi-rfkill soc@3000000:rfkill@0: Missing bt_power.

+ [ 1.041762] sunxi-rfkill soc@3000000:rfkill@0: bt clock[0] (32k-fanout1)

+ [ 1.049311] sunxi-rfkill soc@3000000:rfkill@0: bt_rst gpio=210 assert=0

+ [ 1.057527] [ADDR_MGT] addr_mgt_probe: module version: v1.0.11

+ [ 1.065338] [ADDR_MGT] addr_mgt_probe: success.

+ [ 1.071384] sunxi-spinand: AW SPINand MTD Layer Version: 2.3 20211223

+ [ 1.078712] sunxi-spinand-phy: AW SPINand Phy Layer Version: 1.10 20200306

+ [ 1.089504] random: fast init done

+ [ 1.286801] random: crng init done

+ [ 2.085310] sunxi-spinand-phy: read id failed : -110

+ [ 2.090881] spi-nand: probe of spi0.0 failed with error -110

+ [ 2.097336] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver

+ [ 2.104651] sunxi-ehci: EHCI SUNXI driver

+ [ 2.109628] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

+ [ 2.116658] sunxi-ohci: OHCI SUNXI driver

+ [ 2.122234] sunxi-rtc 7090000.rtc: errata__fix_alarm_day_reg_default_value(): ALARM0_DAY_REG=0, set it to 1

+ [ 2.133413] sunxi-rtc 7090000.rtc: Warning: Using internal RC 16M clock source. Time may be inaccurate!

+ [ 2.144372] sunxi-rtc 7090000.rtc: Warning: Using internal RC 16M clock source. Time may be inaccurate!

+ [ 2.155136] sunxi-rtc 7090000.rtc: Warning: Using internal RC 16M clock source. Time may be inaccurate!

+ [ 2.166510] sunxi-rtc 7090000.rtc: registered as rtc0

+ [ 2.172178] sunxi-rtc 7090000.rtc: Warning: Using internal RC 16M clock source. Time may be inaccurate!

+ [ 2.182804] sunxi-rtc 7090000.rtc: setting system clock to 1970-01-01T00:00:28 UTC (28)

+ [ 2.191852] sunxi-rtc 7090000.rtc: sunxi rtc probed

+ [ 2.197850] i2c /dev entries driver

+ [ 2.201838] sunxi cedar version 1.1

+ [ 2.206064] sunxi-cedar 1c0e000.ve: Adding to iommu group 0

+ [ 2.212314] VE: install start!!!

+ [ 2.212314]

+ [ 2.217960] VE: cedar-ve the get irq is 6

+ [ 2.217960]

+ [ 2.224292] VE: ve_debug_proc_info:00000000b4714d51, data:00000000bf5ab713, lock:00000000cc0db6a8

+ [ 2.224292]

+ [ 2.235933] VE: install end!!!

+ [ 2.235933]

+ [ 2.240983] VE: sunxi_cedar_probe

+ [ 2.245719] sunxi-wdt 6011000.watchdog: Watchdog enabled (timeout=16 sec, nowayout=0)

+ [ 2.257176] sunxi-mmc 4020000.sdmmc: SD/MMC/SDIO Host Controller Driver(v4.22 2021-12-20 15:40)

+ [ 2.267261] sunxi-mmc 4020000.sdmmc: ***ctl-spec-caps*** 8

+ [ 2.273444] sunxi-mmc 4020000.sdmmc: No vmmc regulator found

+ [ 2.279802] sunxi-mmc 4020000.sdmmc: No vqmmc regulator found

+ [ 2.286282] sunxi-mmc 4020000.sdmmc: No vdmmc regulator found

+ [ 2.292689] sunxi-mmc 4020000.sdmmc: No vd33sw regulator found

+ [ 2.299225] sunxi-mmc 4020000.sdmmc: No vd18sw regulator found

+ [ 2.305788] sunxi-mmc 4020000.sdmmc: No vq33sw regulator found

+ [ 2.312292] sunxi-mmc 4020000.sdmmc: No vq18sw regulator found

+ [ 2.319344] sunxi-mmc 4020000.sdmmc: Got CD GPIO

+ [ 2.324688] sunxi-mmc 4020000.sdmmc: set cd-gpios as 24M fail

+ [ 2.331378] sunxi-mmc 4020000.sdmmc: sdc set ios:clk 0Hz bm PP pm UP vdd 21 width 1 timing LEGACY(SDR12) dt B

+ [ 2.342579] sunxi-mmc 4020000.sdmmc: no vqmmc,Check if there is regulator

+ [ 2.362746] sunxi-mmc 4020000.sdmmc: sdc set ios:clk 400000Hz bm PP pm ON vdd 21 width 1 timing LEGACY(SDR12) dt B

+ [ 2.387281] sunxi-mmc 4020000.sdmmc: sdc set ios:clk 0Hz bm PP pm OFF vdd 0 width 1 timing LEGACY(SDR12) dt B

+ [ 2.398403] sunxi-mmc 4020000.sdmmc: detmode:gpio irq

+ [ 2.404766] sunxi-mmc 4021000.sdmmc: SD/MMC/SDIO Host Controller Driver(v4.22 2021-12-20 15:40)

+ [ 2.414907] sunxi-mmc 4021000.sdmmc: ***ctl-spec-caps*** 8

+ [ 2.421208] sunxi-mmc 4021000.sdmmc: No vmmc regulator found

+ [ 2.427560] sunxi-mmc 4021000.sdmmc: No vqmmc regulator found

+ [ 2.433967] sunxi-mmc 4021000.sdmmc: No vdmmc regulator found

+ [ 2.440440] sunxi-mmc 4021000.sdmmc: No vd33sw regulator found

+ [ 2.446977] sunxi-mmc 4021000.sdmmc: No vd18sw regulator found

+ [ 2.453501] sunxi-mmc 4021000.sdmmc: No vq33sw regulator found

+ [ 2.460033] sunxi-mmc 4021000.sdmmc: No vq18sw regulator found

+ [ 2.466593] sunxi-mmc 4021000.sdmmc: Cann't get pin bias hs pinstate,check if needed

+ [ 2.476100] sunxi-mmc 4021000.sdmmc: sdc set ios:clk 0Hz bm PP pm UP vdd 21 width 1 timing LEGACY(SDR12) dt B

+ [ 2.487302] sunxi-mmc 4021000.sdmmc: no vqmmc,Check if there is regulator

+ [ 2.507432] sunxi-mmc 4021000.sdmmc: sdc set ios:clk 400000Hz bm PP pm ON vdd 21 width 1 timing LEGACY(SDR12) dt B

+ [ 2.531703] sunxi-mmc 4021000.sdmmc: detmode:manually by software

+ [ 2.538888] sunxi-mmc 4021000.sdmmc: smc 1 p1 err, cmd 52, RE !!

+ [ 2.545969] sunxi-mmc 4021000.sdmmc: smc 1 p1 err, cmd 52, RE !!

+ [ 2.552755] sunxi-mmc 4021000.sdmmc: sdc set ios:clk 400000Hz bm PP pm ON vdd 21 width 1 timing LEGACY(SDR12) dt B

+ [ 2.564868] ashmem: initialized

+ [ 2.568425] exFAT: Version 1.3.0

+ [ 2.576902] sunxi-mmc 4021000.sdmmc: sdc set ios:clk 400000Hz bm PP pm ON vdd 21 width 1 timing LEGACY(SDR12) dt B

+ [ 2.588736] [AUDIOCODEC][sunxi_codec_parse_params][2412]:digital_vol:0, lineout_vol:26, mic1gain:31, mic2gain:31 pa_msleep:120, pa_level:1, pa_pwr_level:1

+ [ 2.588736]

+ [ 2.606064] [AUDIOCODEC][sunxi_codec_parse_params][2448]:adcdrc_cfg:0, adchpf_cfg:1, dacdrc_cfg:0, dachpf:0

+ [ 2.617293] sunxi-mmc 4021000.sdmmc: smc 1 p1 err, cmd 5, RE !!

+ [ 2.624255] sunxi-mmc 4021000.sdmmc: smc 1 p1 err, cmd 5, RE !!

+ [ 2.630975] [AUDIOCODEC][sunxi_internal_codec_probe][2609]:codec probe finished

+ [ 2.639143] sunxi-mmc 4021000.sdmmc: smc 1 p1 err, cmd 5, RE !!

+ [ 2.646141] sunxi-mmc 4021000.sdmmc: smc 1 p1 err, cmd 5, RE !!

+ [ 2.652793] sunxi-mmc 4021000.sdmmc: sdc set ios:clk 0Hz bm PP pm OFF vdd 0 width 1 timing LEGACY(SDR12) dt B

+ [ 2.665097] debugfs: Directory '203034c.dummy_cpudai' with parent 'audiocodec' already present!

+ [ 2.675088] [SNDCODEC][sunxi_card_init][583]:card init finished

+ [ 2.684331] sunxi-codec-machine 2030340.sound: 2030000.codec <-> 203034c.dummy_cpudai mapping ok

+ [ 2.695841] input: audiocodec sunxi Audio Jack as /devices/platform/soc@3000000/2030340.sound/sound/card0/input0

+ [ 2.708175] [SNDCODEC][sunxi_card_dev_probe][836]:register card finished

+ [ 2.717814] NET: Registered protocol family 10

+ [ 2.724255] Segment Routing with IPv6

+ [ 2.728458] [SNDCODEC][sunxi_hs_init_work][259]:resume-->report switch

+ [ 2.736029] NET: Registered protocol family 17

+ [ 2.762397] sunxi-i2c sunxi-i2c2: sunxi-i2c2 supply twi not found, using dummy regulator

+ [ 2.777276] sunxi-i2c sunxi-i2c2: probe success

+ [ 2.784722] sun8iw20-pinctrl 2000000.pinctrl: 2000000.pinctrl supply vcc-pb not found, using dummy regulator

+ [ 2.798778] get ehci0-controller wakeup-source is fail.

+ [ 2.804771] sunxi ehci0-controller don't init wakeup source

+ [ 2.811047] [sunxi-ehci0]: probe, pdev->name: 4101000.ehci0-controller, sunxi_ehci: 0xffffffe000661b28, 0x:ffffffd0040f1000, irq_no:2e

+ [ 2.824598] [sunxi-ehci0]: Not init ehci0

+ [ 2.829632] get ohci0-controller wakeup-source is fail.

+ [ 2.835626] sunxi ohci0-controller don't init wakeup source

+ [ 2.841879] [sunxi-ohci0]: probe, pdev->name: 4101400.ohci0-controller, sunxi_ohci: 0xffffffe000661ef0

+ [ 2.852292] [sunxi-ohci0]: Not init ohci0

+ [ 2.857351] get ehci1-controller wakeup-source is fail.

+ [ 2.863287] sunxi ehci1-controller don't init wakeup source

+ [ 2.869561] [sunxi-ehci1]: probe, pdev->name: 4200000.ehci1-controller, sunxi_ehci: 0xffffffe0006622b8, 0x:ffffffd0040fb000, irq_no:31

+ [ 2.883450] sunxi-ehci 4200000.ehci1-controller: 4200000.ehci1-controller supply hci not found, using dummy regulator

+ [ 2.897097] sunxi-ehci 4200000.ehci1-controller: EHCI Host Controller

+ [ 2.904329] sunxi-ehci 4200000.ehci1-controller: new USB bus registered, assigned bus number 1

+ [ 2.914258] sunxi-ehci 4200000.ehci1-controller: irq 49, io mem 0x04200000

+ [ 2.945270] sunxi-ehci 4200000.ehci1-controller: USB 2.0 started, EHCI 1.00

+ [ 2.954182] hub 1-0:1.0: USB hub found

+ [ 2.958539] hub 1-0:1.0: 1 port detected

+ [ 2.964105] get ohci1-controller wakeup-source is fail.

+ [ 2.970143] sunxi ohci1-controller don't init wakeup source

+ [ 2.976481] [sunxi-ohci1]: probe, pdev->name: 4200400.ohci1-controller, sunxi_ohci: 0xffffffe000662680

+ [ 2.987198] sunxi-ohci 4200400.ohci1-controller: 4200400.ohci1-controller supply hci not found, using dummy regulator

+ [ 2.999696] sunxi-ohci 4200400.ohci1-controller: OHCI Host Controller

+ [ 3.007029] sunxi-ohci 4200400.ohci1-controller: new USB bus registered, assigned bus number 2

+ [ 3.016883] sunxi-ohci 4200400.ohci1-controller: irq 50, io mem 0x04200400

+ [ 3.090386] hub 2-0:1.0: USB hub found

+ [ 3.094626] hub 2-0:1.0: 1 port detected

+ [ 3.102073] get usb_detect_mode is fail, -22

+ [ 3.107025] get det_vbus is fail, -84

+ [ 3.111108] get id is fail, -84

+ [ 3.117155] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2

+ [ 3.126885] clk: Not disabling unused clocks

+ [ 3.131651] ALSA device list:

+ [ 3.134956] #0: audiocodec

+ [ 3.138250] cfg80211: failed to load regulatory.db

+ [ 3.143682] alloc_fd: slot 0 not NULL!

+ [ 3.148356] VFS: Cannot open root device "mmcblk0p5" or unknown-block(0,0): error -6

+ [ 3.157147] Please append a correct "root=" boot option; here are the available partitions:

+ [ 3.166532] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

+ [ 3.175754] CPU: 0 PID: 1 Comm: swapper Not tainted 5.4.61 #2

+ [ 3.182154] Call Trace:

+ [ 3.184895] [<ffffffe000023d56>] walk_stackframe+0x0/0x70

+ [ 3.190919] [<ffffffe000027d2c>] panic+0xdc/0x266

+ [ 3.196168] [<ffffffe000000d9c>] mount_block_root+0x1fe/0x266

+ [ 3.202578] [<ffffffe000000fc2>] prepare_namespace+0x136/0x144

+ [ 3.209081] [<ffffffe0004242a2>] rest_init+0xbc/0xc0

+ [ 3.214613] [<ffffffe0004242b0>] kernel_init+0xa/0xe8

+ [ 3.220240] [<ffffffe0004242a2>] rest_init+0xbc/0xc0

+ [ 3.225773] [<ffffffe000022d5c>] ret_from_syscall+0xa/0xe

+ [ 3.231800] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) ]---

+插入烧写好的TF卡，使用串口连接，

+

+- PE2接串口RX，

+- PE3接串口TX。

+

+接入5V供电，如果使用屏幕建议插入TYPE-C线，防止电流不足。

+## 🔄 Typical 4-Layer Stackup (Example)

+

+| Layer | Purpose |

+|-------|-----------------------------|

+| L1 | Signal (High-speed / Logic) |

+| L2 | Ground Plane |

+| L3 | Power Plane (3.3V, etc.) |

+| L4 | Signal (Slower or routing) |

+

+This stackup helps with:

+- Good **signal integrity** (especially PCIe or USB lines)

+- **Controlled impedance** for high-speed routing

+- **Noise reduction** and **EMI compliance**

+

+---

+

+## ⚙️ Why Use 4 Layers?

+

+| Reason | Explanation |

+|-------------------------------|---------------------------------------------|

+| Signal integrity | PCIe and USB need impedance control |

+| Power distribution | Separate plane ensures clean power |

+| Ground return path | Reduces EMI / crosstalk |

+| Compact routing | Easier routing in tight Mini PCIe space |

+

+---

+

+## 🔧 Considerations

+

+- Use **controlled impedance** (50Ω for USB, 85Ω diff for PCIe)

+- Ensure **gold fingers** are ENIG plated and follow **Mini PCIe spec**

+- Route high-speed signals on **L1 and L4**, with ground under them

+- Place components only on the **top layer**, per Mini PCIe mechanical spec

+- Follow PCI-SIG or Mini PCIe spec for **connector layout** and **keep-outs**

+

+

+## desgin

+

+- [[PCB-form-dat]]

+

+

+

+# PCB-form-dat

+

+- [[mini-PCIE-dat]]

+

+## ref

+

+- [[PCB-dat]]