Rock/Linux Mainline
Contents
Build Linux Mainline
Download
Get latest Linux stable version, default config and initramfs.cpio.
wget https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.13.6.tar.xz tar xJf linux-3.13.6.tar.xz cd linux-3.13.6 wget http://www.sntech.de/rockchip/rockchip_defconfig -O arch/arm/configs/rockchip_defconfig wget http://www.sntech.de/rockchip/initramfs.cpio
Apply latest patches from linux-next tree
These patches add snoop-control-unit, power-management-unit, smp bringup code, sram dt nodes and documentation (thanks to Heiko Stuebner).
for i in f6f70cf7 de18e014 46b8219c5 a7a2b311 ; do curl -s https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/patch/?id=$i | patch -p1 ; done
Build
export ARCH=arm && export CROSS_COMPILE=arm-linux-gnueabihf- make rockchip_defconfig make -j8 rk3188-radxarock.dtb make -j8 zImage
Flash boot image
cat arch/arm/boot/zImage arch/arm/boot/dts/rk3188-radxarock.dtb > kernel.img mkbootimg --kernel kernel.img --ramdisk initramfs.cpio -o boot.img upgrade_tool di -b boot.img upgrade_tool rd
The device will reboot and you will see the linux kernel booting with GPIO, UART and SMP support.
TODO: among things that are not working yet and remain to be implemented in mainline kernel: I2C, SPI, USB, framebuffer, HDMI driver, etc.
Boot log
DDR Version 1.04 20130517
In
DDR3
300MHz
Bus Width=32 Col=10 Bank=8 Row=16 CS=1 Die Bus-Width=8 Size=2048MB
Memory OK
OUT
BUILD=====2
SdmmcInit=0 0
FwPartOffset=0 , 0
No.1 FLASH ID:ad de 94 eb 74 44
No.2 FLASH ID:14 ff ff ff ff ff
OK! 312004
unsigned!
SecureBootEn = 0 0
Boot ver: 2013-12-27#2.10
start_linux=====317529
1903042 Starting kernel...@0x60408000
Uncompressing Linux... done, booting the kernel.
Booting Linux on physical CPU 0x0
Linux version 3.13.6+ (julien@julien-ubuntu) (gcc version 4.8.1 (Ubuntu/Linaro 4.8.1-10ubuntu7) ) #1 SMP Thu Mar 13 11:34:41 CET 2014
CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=10c53c7d
CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine model: Radxa Rock
bootconsole [earlycon0] enabled
Memory policy: Data cache writealloc
PERCPU: Embedded 7 pages/cpu @c18dd000 s7616 r8192 d12864 u32768
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 522768
Kernel command line: console=ttyS2,115200 earlyprintk init=/init
PID hash table entries: 4096 (order: 2, 16384 bytes)
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 2074164K/2097152K available (2491K kernel code, 128K rwdata, 728K rodata, 2011K init, 207K bss, 22988K reserved, 1318912K highmem)
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
vmalloc : 0xf0000000 - 0xff000000 ( 240 MB)
lowmem : 0xc0000000 - 0xef800000 ( 760 MB)
pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
.text : 0xc0008000 - 0xc032cf0c (3220 kB)
.init : 0xc032d000 - 0xc0523dc0 (2012 kB)
.data : 0xc0524000 - 0xc05442c8 ( 129 kB)
.bss : 0xc05442d0 - 0xc0578058 ( 208 kB)
Hierarchical RCU implementation.
NR_IRQS:16 nr_irqs:16 16
sched_clock: 32 bits at 150MHz, resolution 6ns, wraps every 28633115641ns
Console: colour dummy device 80x30
Calibrating delay loop... 1196.85 BogoMIPS (lpj=5984256)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
Setting up static identity map for 0x60274fc8 - 0x60275020
CPU1: Booted secondary processor
CPU2: Booted secondary processor
CPU3: Booted secondary processor
Brought up 4 CPUs
SMP: Total of 4 processors activated.
CPU: All CPU(s) started in SVC mode.
devtmpfs: initialized
VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
pinctrl core: initialized pinctrl subsystem
regulator-dummy: no parameters
NET: Registered protocol family 16
DMA: preallocated 256 KiB pool for atomic coherent allocations
cpuidle: using governor ladder
cpuidle: using governor menu
L310 cache controller enabled
l2x0: 16 ways, CACHE_ID 0x4100c0c8, AUX_CTRL 0x76050001, Cache size: 512 kB
hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
hw-breakpoint: maximum watchpoint size is 4 bytes.
bio: create slab <bio-0> at 0
SCSI subsystem initialized
Switched to clocksource arm_global_timer
NET: Registered protocol family 2
TCP established hash table entries: 8192 (order: 3, 32768 bytes)
TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
TCP: reno registered
UDP hash table entries: 512 (order: 2, 16384 bytes)
UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
NET: Registered protocol family 1
bounce pool size: 64 pages
msgmni has been set to 1475
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
io scheduler noop registered
io scheduler deadline registered (default)
Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
10124000.serial: ttyS0 at MMIO 0x10124000 (irq = 66, base_baud = 1500000) is a 16550A
dw-apb-uart 10126000.serial: Couldn't set LCR to 0
dw-apb-uart 10126000.serial: Couldn't set LCR to 0
10126000.serial: ttyS1 at MMIO 0x10126000 (irq = 67, base_baud = 1500000) is a 16550A
20064000.serial: ttyS2 at MMIO 0x20064000 (irq = 68, base_baud = 1500000) is a 16550A
console [ttyS2] enabled
console [ttyS2] enabled
bootconsole [earlycon0] disabled
bootconsole [earlycon0] disabled
dw-apb-uart 20068000.serial: Couldn't set LCR to 0
dw-apb-uart 20068000.serial: Couldn't set LCR to 0
20068000.serial: ttyS3 at MMIO 0x20068000 (irq = 69, base_baud = 1500000) is a 16550A
brd: module loaded
mousedev: PS/2 mouse device common for all mice
Synopsys Designware Multimedia Card Interface Driver
TCP: cubic registered
NET: Registered protocol family 17
input: gpio-keys.1 as /devices/soc.0/gpio-keys.1/input/input0
Freeing unused kernel memory: 2008K (c032d000 - c0523000)
mount: mounting /dev/mmcblk0p1 on /mnt failed: No such device or address
total 0
drwxr-xr-x 2 1000 1000 40 May 30 2013 .
drwxr-xr-x 13 1000 1000 280 Jun 9 2013 ..
umount: can't umount /mnt: Invalid argument
processor : 0
model name : ARMv7 Processor rev 0 (v7l)
Features : swp half thumb fastmult vfp edsp neon vfpv3 tls vfpd32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part : 0xc09
CPU revision : 0
processor : 1
model name : ARMv7 Processor rev 0 (v7l)
Features : swp half thumb fastmult vfp edsp neon vfpv3 tls vfpd32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part : 0xc09
CPU revision : 0
processor : 2
model name : ARMv7 Processor rev 0 (v7l)
Features : swp half thumb fastmult vfp edsp neon vfpv3 tls vfpd32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part : 0xc09
CPU revision : 0
processor : 3
model name : ARMv7 Processor rev 0 (v7l)
Features : swp half thumb fastmult vfp edsp neon vfpv3 tls vfpd32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part : 0xc09
CPU revision : 0
Hardware : Rockchip Cortex-A9 (Device Tree)
Revision : 0000
Serial : 0000000000000000
BusyBox v1.20.2 (Debian 1:1.20.0-8) built-in shell (ash)
Enter 'help' for a list of built-in commands.
/bin/sh: can't access tty; job control turned off
/ # ps
PID USER COMMAND
1 0 {init} /bin/sh /init
2 0 [kthreadd]
3 0 [ksoftirqd/0]
4 0 [kworker/0:0]
5 0 [kworker/0:0H]
6 0 [kworker/u8:0]
7 0 [rcu_sched]
8 0 [rcu_bh]
9 0 [migration/0]
10 0 [migration/1]
11 0 [ksoftirqd/1]
12 0 [kworker/1:0]
13 0 [kworker/1:0H]
14 0 [migration/2]
15 0 [ksoftirqd/2]
16 0 [kworker/2:0]
17 0 [kworker/2:0H]
18 0 [migration/3]
19 0 [ksoftirqd/3]
20 0 [kworker/3:0]
21 0 [kworker/3:0H]
22 0 [khelper]
23 0 [kdevtmpfs]
24 0 [netns]
25 0 [writeback]
26 0 [bioset]
27 0 [kblockd]
28 0 [kworker/0:1]
29 0 [kswapd0]
30 0 [fsnotify_mark]
31 0 [kworker/u8:1]
34 0 [deferwq]
39 0 [kworker/1:1]
40 0 [kworker/2:1]
57 0 /bin/sh
58 0 [kworker/3:1]
59 0 {busybox} ps
/ # help
Built-in commands:
------------------
. : [ [[ alias bg break cd chdir command continue echo eval exec
exit export false fg getopts hash help jobs kill let local printf
pwd read readonly return set shift source test times trap true
type ulimit umask unalias unset wait [ [[ adjtimex ar arp arping
ash awk basename blockdev brctl bunzip2 bzcat bzip2 cal cat chgrp
chmod chown chroot chvt clear cmp cp cpio crond crontab cttyhack
cut date dc dd deallocvt depmod df diff dirname dmesg dnsdomainname
dos2unix dpkg dpkg-deb du dumpkmap dumpleases echo ed egrep env
expand expr false fdisk fgrep find fold free freeramdisk ftpget
ftpput getopt getty grep groups gunzip gzip halt head hexdump
hostid hostname httpd hwclock id ifconfig ifdown ifup init insmod
ionice ip ipcalc kill killall klogd last less ln loadfont loadkmap
logger login logname logread losetup ls lsmod lzcat lzma md5sum
mdev microcom mkdir mkfifo mknod mkswap mktemp modinfo modprobe
more mount mt mv nameif nc netstat nslookup od openvt passwd
patch pidof ping ping6 pivot_root poweroff printf ps pwd rdate
readlink realpath reboot renice reset rev rm rmdir rmmod route
rpm rpm2cpio run-parts sed seq setkeycodes setsid sh sha1sum
sha256sum sha512sum sleep sort start-stop-daemon stat strings
stty su sulogin swapoff swapon switch_root sync sysctl syslogd
tac tail tar taskset tee telnet telnetd test tftp time timeout
top touch tr traceroute traceroute6 true tty tunctl udhcpc udhcpd
umount uname uncompress unexpand uniq unix2dos unlzma unxz unzip
uptime usleep uudecode uuencode vconfig vi watch watchdog wc
wget which who whoami xargs xz xzcat yes zcat
/ # mkdir /usr/bin /usr/sbin
/ # /bin/busybox --install
/ # ifconfig -a
lo Link encap:Local Loopback
LOOPBACK MTU:65536 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
/ # mount
rootfs on / type rootfs (rw,size=1037080k,nr_inodes=188813)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
none on /debug type debugfs (rw,relatime)
/ # mount -t devtmpfs none /dev
/ # ls /dev
console tty17 tty37 tty57
cpu_dma_latency tty18 tty38 tty58
full tty19 tty39 tty59
input tty2 tty4 tty6
kmsg tty20 tty40 tty60
mem tty21 tty41 tty61
network_latency tty22 tty42 tty62
network_throughput tty23 tty43 tty63
null tty24 tty44 tty7
ptmx tty25 tty45 tty8
ram0 tty26 tty46 tty9
random tty27 tty47 ttyS0
tty tty28 tty48 ttyS1
tty0 tty29 tty49 ttyS2
tty1 tty3 tty5 ttyS3
tty10 tty30 tty50 urandom
tty11 tty31 tty51 vcs
tty12 tty32 tty52 vcs1
tty13 tty33 tty53 vcsa
tty14 tty34 tty54 vcsa1
tty15 tty35 tty55 zero
tty16 tty36 tty56
/ #