maix-bit.md 4.9 KB
+++ title = "Sipeed MAiX BiT" date = "2026-02-15T09:30:45+01:00" type = "index"
+++
- Architecture: RISCV64
- CPU: Dual-Core 64 Bit RISCV 400 Mhz
- no-MMU
- RAM: 8 MB
- Flash 16 MB
- Serial console (USB-C)
Serial console has a speed of 115200n8.
dmesg:
[ 0.000000] Linux version 6.12.69-1 (wbx@fluor) (riscv64-openadk-linux-uclibc-gcc (GCC) 15.2.0, GNU ld (GNU Binutils) 2.46.0.20260210) #3 SMP Wed Feb 11 08:40:08 CET 2026
[ 0.000000] Machine model: Kendryte K210 generic
[ 0.000000] Forcing kernel command line to: earlycon console=ttySIF0
[ 0.000000] earlycon: sifive0 at MMIO 0x0000000038000000 (options '115200n8')
[ 0.000000] printk: legacy bootconsole [sifive0] enabled
[ 0.000000] OF: reserved mem: Reserved memory: No reserved-memory node in the DT
[ 0.000000] Zone ranges:
[ 0.000000] DMA32 [mem 0x0000000080000000-0x00000000807fffff]
[ 0.000000] Normal empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000080000000-0x00000000807fffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x00000000807fffff]
[ 0.000000] Falling back to deprecated "riscv,isa"
[ 0.000000] riscv: base ISA extensions acdfim
[ 0.000000] riscv: ELF capabilities acdfim
[ 0.000000] percpu: max_distance=0x22000 too large for vmalloc space 0x0
[ 0.000000] percpu: Embedded 17 pages/cpu s36896 r0 d32736 u69632
[ 0.000000] percpu: wasting 30 pages per chunk
[ 0.000000] Kernel command line: earlycon console=ttySIF0
[ 0.000000] Dentry cache hash table entries: 1024 (order: 1, 8192 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 512 (order: 0, 4096 bytes, linear)
[ 0.000000] Built 1 zonelists, mobility grouping off. Total pages: 2048
[ 0.000000] mem auto-init: stack:all(zero), heap alloc:off, heap free:off
[ 0.000000] SLUB: HWalign=64, Order=0-1, MinObjects=0, CPUs=2, Nodes=1
[ 0.000000] rcu: Hierarchical RCU implementation.
[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[ 0.000000] riscv-intc: 64 local interrupts mapped
[ 0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 0.000000] k210-clk: clock-controller: CPU running at 390 MHz
[ 0.000000] clint: timer@2000000: timer running at 7800000 Hz
[ 0.000000] clocksource: clint_clocksource: mask: 0xffffffffffffffff max_cycles: 0x3990be68b, max_idle_ns: 881590404272 ns
[ 0.000001] sched_clock: 64 bits at 8MHz, resolution 128ns, wraps every 4398046511054ns
[ 0.008537] Calibrating delay loop (skipped), value calculated using timer frequency.. 15.60 BogoMIPS (lpj=31200)
[ 0.018255] pid_max: default: 4096 minimum: 301
[ 0.022868] Mount-cache hash table entries: 512 (order: 0, 4096 bytes, linear)
[ 0.029977] Mountpoint-cache hash table entries: 512 (order: 0, 4096 bytes, linear)
[ 0.041413] rcu: Hierarchical SRCU implementation.
[ 0.045479] rcu: Max phase no-delay instances is 1000.
[ 0.052113] smp: Bringing up secondary CPUs ...
[ 0.057639] smp: Brought up 1 node, 2 CPUs
[ 0.062074] Memory: 5088K/8192K available (1102K kernel code, 139K rwdata, 252K rodata, 494K init, 60K bss, 2388K reserved, 0K cma-reserved)
[ 0.074717] devtmpfs: initialized
[ 0.085407] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 0.094486] pinctrl core: initialized pinctrl subsystem
[ 0.109824] /soc/bus@50400000: Fixed dependency cycle(s) with /soc/bus@50400000/syscon@50440000/clock-controller
[ 0.121496] clocksource: Switched to clocksource clint_clocksource
[ 0.131777] workingset: timestamp_bits=62 max_order=11 bucket_order=0
[ 0.159524] riscv-plic: interrupt-controller@c000000: mapped 65 interrupts with 2 handlers for 4 contexts.
[ 0.169748] /soc/bus@50200000/pinmux@502b0000: Fixed dependency cycle(s) with /soc/bus@50200000/pinmux@502b0000/jtag-pinmux
[ 0.186539] /soc/bus@50400000/syscon@50440000: Fixed dependency cycle(s) with /soc/bus@50400000/syscon@50440000/clock-controller
[ 0.200390] k210-sysctl 50440000.syscon: K210 system controller
[ 0.209116] k210-rst 50440000.syscon:reset-controller: K210 reset controller
[ 0.217078] 38000000.serial: ttySIF0 at MMIO 0x38000000 (irq = 12, base_baud = 24375000) is a SiFive UART v0
[ 0.226287] printk: legacy console [ttySIF0] enabled
[ 0.226287] printk: legacy console [ttySIF0] enabled
[ 0.236101] printk: legacy bootconsole [sifive0] disabled
[ 0.236101] printk: legacy bootconsole [sifive0] disabled
[ 0.249298] i2c_dev: i2c /dev entries driver
[ 0.262700] k210-fpioa 502b0000.pinmux: K210 FPIOA pin controller
[ 0.271445] clk: Disabling unused clocks
[ 0.276168] Freeing unused kernel image (initmem) memory: 492K
[ 0.281293] This architecture does not have kernel memory protection.
[ 0.287723] Run /init as init process
Have fun!