uboot-error-padavan

U-Boot 1.1.3 (Aug 10 2020 - 04:02:58)

Board: MediaTek APSoC DRAM: 32 MB
enable ephy clock...done. SSC disabled.
MediaTek SPI flash driver, SPI clock: 50MHz
spi device id: c2 20 16 c2 20 (2016c220)
find flash: MX25L3205D
*** Warning - bad CRC, using default environment

============================================
MediaTek U-Boot Version: 5.0.1.0-6
--------------------------------------------
ASIC 7620_MP (Port5<->None)
DRAM component: 256 Mbits DDR, width 16
DRAM bus: 16 bit
Total memory: 32 MBytes
Flash component: SPI Flash
Date:Aug 10 2020  Time:04:02:58
============================================
icache: sets:512, ways:4, linesz:32, total:65536
dcache: sets:256, ways:4, linesz:32, total:32768

 #### The CPU freq = 600 MHZ ####
 estimate memory size = 32 Mbytes

Please choose the operation:
   0: Load system code then write to Flash via Serial.
   1: Load system code to SDRAM via TFTP.
   2: Load system code then write to Flash via TFTP.
   3: Boot system code via Flash (default).
   4: Enter boot command line interface.
   7: Load U-Boot code then write to Flash via Serial.
   9: Load U-Boot code then write to Flash via TFTP.                          0


3: System Boot system code via Flash.
## Checking image at bc050000 ...
   Image Name:   JWNR2010V5
   Image Type:   MIPS Linux Kernel Image (lzma compressed)
   Data Size:    3452815 Bytes =  3.3 MB
   Load Address: 80000000
   Entry Point:  80243330
   Verifying Checksum ... OK
   Uncompressing Kernel Image ... OK
No initrd
## Transferring control to Linux (at address 80243330) ...
## Giving linux memsize in MB, 32

Starting kernel ...


LINUX started...
Linux version 3.4.113 (padavan@hms) (gcc version 7.5.0 (crosstool-NG UNKNOWN) ) #1 Fri Aug 7 18:16:31 +06 2020
MediaTek SoC: MT7620N, RevID: 0206, RAM: DDR1, XTAL: 20MHz
CPU/OCP/SYS frequency: 600/200/200 MHz
CPU revision is: 00019650 (MIPS 24KEc)
Determined physical RAM map:
 memory: 02000000 @ 00000000 (usable)
Zone PFN ranges:
  Normal
0x00000000 -> 0x00002000
Movable zone start PFN for each node
Early memory PFN ranges
    0: 0x00000000 -> 0x00002000
Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
Primary data cache 32kB, 4-way, PIPT, no aliases, linesize 32 bytes
Built 1 zonelists in Zone order, mobility grouping off. Total pages: 8128
Kernel command line: console=ttyS0,57600n8
PID hash table entries: 128 (order: -3, 512 bytes)
Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)
Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)
Writing ErrCtl register=000783fa
Readback ErrCtl register=000783fa
Memory: 29484k/32768k available (2339k kernel code, 3284k reserved, 335k data, 204k init, 0k highmem)
NR_IRQS:40
console [ttyS0] enabled
Calibrating delay loop... 397.82 BogoMIPS (lpj=795648)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
NET: Registered protocol family 16
bio: create slab <bio-0> at 0
Switching to clocksource MIPS
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 1024 (order: 1, 8192 bytes)
TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
TCP: Hash tables configured (established 1024 bind 1024)
TCP: reno registered
UDP hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
squashfs: version 4.0 (2009/01/31) Phillip Lougher
msgmni has been set to 57
io scheduler noop registered (default)
Serial: 8250/16550 driver, 1 ports, IRQ sharing disabled
serial8250: ttyS0 at MMIO 0x10000c00 (irq = 20) is a 16550A
Ralink GPIO driver initialized. Number of GPIO: 73, GPIO mode: 007A811D
loop: module loaded
Ralink SPI flash driver, SPI clock: 50MHz
SPI flash chip: MX25L3205D (c2 2016c220) (4096 Kbytes)
raspi: error parsing Firmware partition
Ralink APSoC Ethernet Driver v3.2.4 (raeth)
raeth: PDMA RX ring 256, PDMA TX ring 512. Max packet size 1536
raeth: NAPI support, weight 32
raeth: Byte Queue Limits (BQL) support
PPP generic driver version 2.4.2
PPP MPPE Compression module registered
NET: Registered protocol family 24
PPTP driver version 0.8.5
nf_conntrack version 0.5.0 (8192 buckets, 16384 max)
xt_time: kernel timezone is -0000
Bridge firewalling registered
gre: GRE over IPv4 demultiplexor driver
ip_tables: (C) 2000-2006 Netfilter Core Team
TCP: cubic registered
NET: Registered protocol family 10
ip6_tables: (C) 2000-2006 Netfilter Core Team
IPv6 over IPv4 tunneling driver
NET: Registered protocol family 17
L2TP core driver, V2.0
PPPoL2TP kernel driver, V2.0
8021q: 802.1Q VLAN Support v1.8
ASUS NVRAM, v0.08. Available space: 61440. Integrity: MTD is empty
VFS: Cannot open root device "(null)" or unknown-block(0,0): error -6
Please append a correct "root=" boot option; here are the available partitions:
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)