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
SRX
DDR3
3 222MHz
Bus Width=32 Col=10 Bank=8 Row=16 CS=1 Die Bus-Width=8 Size=2048MB
OUT
BUILD=====3
SdmmcInit=0 20
No.1 FLASH ID:2c 64 44 4b a9 0
No.2 FLASH ID:f ff ff ff ff ff
No.3 FLASH ID:1f ff ff ff ff ff
No.4 FLASH ID:f ff ff ff ff ff
gpReadRetrial pageadd=3f0402 eccbit=28 errorbit=ffffffff
FlashReadPage pageadd=3f0402 pageadd1=3b37f7ff eccbit=28 errorbit=ffffffff
spare: 0x0:a5760f36 aab7ffb1 aab7ffb4 aab7ffb0
gpReadRetrial pageadd=3f0403 eccbit=28 errorbit=ffffffff
FlashReadPage pageadd=3f0403 pageadd1=3b37f7ff eccbit=28 errorbit=ffffffff
spare: 0x0:d1fb3418 de3ac49f de3ac49e de3ac49e
OK! 362185
unsigned!
SecureBootEn = 0 0
Boot ver: 2013-12-27#2.10
start_linux=====367703
2023429 Starting kernel...@0x60408000
Uncompressing Linux... done, booting the kernel.
Booting Linux on physical CPU 0x0
Linux version 3.13.1 (julien@julien-ubuntu) (gcc version 4.8.1 (Ubuntu/Linaro 4.8.1-10ubuntu7) ) #4 SMP Mon Feb 3 17:43:45 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 - 0xc0544288 ( 129 kB)
.bss : 0xc0544290 - 0xc0578018 ( 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 0x60274c88 - 0x60274ce0
CPU1: failed to boot: -38
CPU2: failed to boot: -38
CPU3: failed to boot: -38
Brought up 1 CPUs
SMP: Total of 1 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
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
/ #