QT6410移植Linux-2.6.39 笔记

1、Hosting environment：VMare Ubuntu10.04
2、Cross-compiling environment：arm-2009q3.tar.bz23、Development board：QT64104、nanflash：K9F2G08（256M）
5、linux -version：Linux-2.6.396、uboot-version：u-boot-2010.06
一、下载并解压内核源码a）在命令行终端中可以通过下列方式下载，当然用其它下载工具下载root@bootloader:/home/eilian/development/Android#cd ../Linux
root@bootloader:/home/eilian/development/Linux# wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.39.tar.gzb）解压源码root@bootloader:/home/eilian/development/Linux#
root@bootloader:/home/eilian/development/Linux# tar zxvf linux-2.6.39.tar.gz
root@bootloader:/home/eilian/development/Linux# ls
linux-2.6.32.2         linux-2.6.39
linux-2.6.36.2         linux-2.6.39.tar.bz2
linux-2.6.36.2.tar.gz linux-2.6.39.tar.gz
root@bootloader:/home/eilian/development/Linux# cd linux-2.6.39
root@bootloader:/home/eilian/development/Linux/linux-2.6.39# c）指定交叉编译器移植目的让 Linux-2.6.39 可以在QT6410 上运行。首先,使得Linux-2.6.39的缺省目标平台成为ARM 的平台,修改主目录下的Makefile。用vi打开Makefile,定位到196行，修改如下：root@bootloader:/home/eilian/development/Linux/linux-2.6.39# vi Makefile
# Default value for CROSS_COMPILE is not to prefix executables
# Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile
export KBUILD_BUILDHOST := $（SUBARCH）
ARCH       ？= arm
CROSS_COMPILE   ？= arm-linux-

# Architecture as present in compile.h
UTS_MACHINE    := $（ARCH）
SRCARCH    := $（ARCH）修改完成后退出保存二、创建目标平台从smdk6410到qt6410
root@bootloader:/home/eilian/development/Linux/linux-2.6.39#cd arch/arm/mach-s3c64xxroot@bootloader:/home/eilian/development/Linux/linux-2.6.39/arch/arm/mach-s3c64xx#cp mach-smdk6410.c mach-qt6410.c将mach-mach-qt6410.c文件中的所有smdk6410改成qt6410
root@bootloader:/home/eilian/development/Linux/linux-2.6.39/arch/arm/mach-s3c64xx#vi mach-qt6410.c    修改mach-s3c64xx目录下的Makefile和Kconfig 修改如下：Kconfig:添加如下红色代码config MACH_SMDK6410
   bool "SMDK6410"
   select CPU_S3C6410
   select SAMSUNG_DEV_ADC
   select S3C_DEV_HSMMC
   select S3C_DEV_HSMMC1
   select S3C_DEV_I2C1
   select SAMSUNG_DEV_IDE
   select S3C_DEV_FB
   select S3C_DEV_RTC
   select SAMSUNG_DEV_TS
   select S3C_DEV_USB_HOST
   select S3C_DEV_USB_HSOTG
   select S3C_DEV_WDT
   select SAMSUNG_DEV_KEYPAD
   select SAMSUNG_DEV_PWM
   select HAVE_S3C2410_WATCHDOG if WATCHDOG
   select S3C64XX_SETUP_SDHCI
   select S3C64XX_SETUP_I2C1
   select S3C64XX_SETUP_IDE
   select S3C64XX_SETUP_FB_24BPP
   select S3C64XX_SETUP_KEYPAD
   help
      Machine support for the Samsung SMDK6410

config MACH_QT6410
   bool "QT6410"
   select CPU_S3C6410
   select SAMSUNG_DEV_ADC
   select S3C_DEV_HSMMC
   select S3C_DEV_HSMMC1
   select S3C_DEV_I2C1
   select SAMSUNG_DEV_IDE
   select S3C_DEV_FB
   select S3C_DEV_RTC
   select SAMSUNG_DEV_TS
   select S3C_DEV_USB_HOST
   select S3C_DEV_USB_HSOTG
   select S3C_DEV_WDT
   select SAMSUNG_DEV_KEYPAD
   select SAMSUNG_DEV_PWM
   select HAVE_S3C2410_WATCHDOG if WATCHDOG
   select S3C64XX_SETUP_SDHCI
   select S3C64XX_SETUP_I2C1
   select S3C64XX_SETUP_IDE
   select S3C64XX_SETUP_FB_24BPP
   select S3C64XX_SETUP_KEYPAD
   help
      Machine support for the Samsung QT6410
Makefile:添加如下红色代码obj-$（CONFIG_MACH_ANW6410）   += mach-anw6410.o
obj-$（CONFIG_MACH_SMDK6400）   += mach-smdk6400.o
obj-$（CONFIG_MACH_SMDK6410）   += mach-smdk6410.o
obj-$（CONFIG_MACH_QT6410）   += mach-qt6410.o
obj-$（CONFIG_MACH_REAL6410）     += mach-real6410.o
obj-$（CONFIG_MACH_MINI6410）     += mach-mini6410.o
obj-$（CONFIG_MACH_NCP）       += mach-ncp.o
obj-$（CONFIG_MACH_HMT）       += mach-hmt.o
obj-$（CONFIG_MACH_SMARTQ）   += mach-smartq.o
obj-$（CONFIG_MACH_SMARTQ5）   += mach-smartq5.o
obj-$（CONFIG_MACH_SMARTQ7）   += mach-smartq7.o
三、About machine Number打开arch/arm/tools/mach-types文件定位到217行左右,修改如下at91sam9g20ek       MACH_AT91SAM9G20EK   AT91SAM9G20EK       1624
qt6410       MACH_QT6410       QT6410       1626
u300           MACH_U300       U300           1627

这需要两者相匹配，如果内核的机器码和bootloader 传入的不匹配，就会经常出现下面的错误：
Uncompressing Linux................................................................................................................................. done, booting
the kernel.             不动了接着修改linux-2.6.39/arch/arm/mach-s3c64xx/qt6410.c定位到文件末尾处
MACHINE_START（S3C6410, "SMDK6410"），将其修改为
MACHINE_START（QT6410, "QT6410 development board"）
notes：开发板运行后，在命令行终端输入：cat /proc/cpuinfo 可以看到我们添加的开发板信息，当然这个信息可以定制成我们需要的信息
四、配置、编译测试root@bootloader:/home/eilian/development/Linux/linux-2.6.39#cp arch/arm/configs/s3c6400_defconfig .config
root@bootloader:/home/eilian/development/Linux/linux-2.6.39#make menuconfig出现下图所示内核配置根菜单
按上下箭头键移动到 System Type，按回车进入该子菜单，如图
   设置完后退出
root@bootloader:/home/eilian/development/Linux/linux-2.6.39#make uImage等待若干久后出现
SYSMAP .tmp_System.map
OBJCOPY arch/arm/boot/Image
Kernel: arch/arm/boot/Image is ready
AS      arch/arm/boot/compressed/head.o
GZIP    arch/arm/boot/compressed/piggy.gzip
AS      arch/arm/boot/compressed/piggy.gzip.o
CC      arch/arm/boot/compressed/misc.o
CC      arch/arm/boot/compressed/decompress.o
SHIPPED arch/arm/boot/compressed/lib1funcs.S
AS      arch/arm/boot/compressed/lib1funcs.o
LD      arch/arm/boot/compressed/vmlinux
OBJCOPY arch/arm/boot/zImage
Kernel: arch/arm/boot/zImage is ready
UIMAGE arch/arm/boot/uImage
Image Name:   Linux-2.6.39
Created:      Mon Dec 12 20:29:35 2011
Image Type:   ARM Linux Kernel Image （uncompressed）
Data Size:    1266444 Bytes = 1236.76 kB = 1.21 MB
Load Address: 50008000
Entry Point: 50008000
Image arch/arm/boot/uImage is ready

root@bootloader:/home/eilian/development/Linux/linux-2.6.39#cparch/arm/boot/uImage /tftpboot/给开发板上电（开发板已烧入uboot）打开超级终端

U-Boot 2010.06 （Dec 12 2011 - 18:39:28） for QT6410
**********************************************
**    u-boot-2010.06
**    Updated for QT6410 Board
**    Version 1.0 （11-12-15）
**    Author: eilian
**    blog: http://blog.csdn.net/eilianlau
**    E-mail: 305075262@qq.com
**********************************************
CPU:     S3C6410@667MHz
         Fclk = 667MHz, Hclk = 133MHz, Pclk = 66MHz （ASYNC Mode）
Board:   QT6410
DRAM: 128 MiB
NAND: 256 MiB
*** Warning - bad CRC, using default environment

In:    serial
Out:   serial
Err:   serial
Net:   dm9000
Hit any key to stop autoboot: 0
QT6410# tftp 50018000 uImage
dm9000 i/o: 0x18000300, id: 0x90000a46
DM9000: running in 16 bit mode
MAC: 00:40:5c:26:0a:5b
operating at unknown: 15 mode
Using dm9000 device
TFTP from server 211.67.217.136; our IP address is 211.67.217.138
Filename "uImage".
Load address: 0x50018000
Loading: T #################################################################
         #################################################################
         #################################################################
         #####################################################
done
Bytes transferred = 1266508 （13534c hex）
QT6410# bootm 50018000
## Booting kernel from Legacy Image at 50018000 ...
   Image Name:   Linux-2.6.39
   Image Type:   ARM Linux Kernel Image （uncompressed）
   Data Size:    1266444 Bytes = 1.2 MiB
   Load Address: 50008000
   Entry Point: 50008000
   Verifying Checksum ... OK
   Loading Kernel Image ... OK
OK

Starting kernel ...

Uncompressing Linux... done, booting the kernel.
Linux version 2.6.39 （root@bootloader）（gcc version 4.4.1 （Sourcery G++ Lite 2009q3-67）） #1 Mon Dec 12 20:29:17 CST 2011
CPU: ARMv6-compatible processor [410fb766] revision 6 （ARMv7）, cr=00c5387f
CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
Machine: QT6410 development board
Memory policy: ECC disabled, Data cache writeback
CPU S3C6410 （id 0x36410101）
S3C24XX Clocks, Copyright 2004 Simtec Electronics
camera: no parent clock specified
S3C64XX: PLL settings, A=667000000, M=533000000, E=24000000
S3C64XX: HCLK2=266500000, HCLK=133250000, PCLK=66625000
mout_apll: source is fout_apll （1）, rate is 667000000
mout_epll: source is epll （1）, rate is 24000000
mout_mpll: source is mpll （1）, rate is 533000000
mmc_bus: source is mout_epll （0）, rate is 24000000
mmc_bus: source is mout_epll （0）, rate is 24000000
mmc_bus: source is mout_epll （0）, rate is 24000000
usb-bus-host: source is clk_48m （0）, rate is 48000000
uclk1: source is mout_epll （0）, rate is 24000000
spi-bus: source is mout_epll （0）, rate is 24000000
spi-bus: source is mout_epll （0）, rate is 24000000
audio-bus: source is mout_epll （0）, rate is 24000000
audio-bus: source is mout_epll （0）, rate is 24000000
audio-bus: source is mout_epll （0）, rate is 24000000
irda-bus: source is mout_epll （0）, rate is 24000000
camera: no parent clock specified
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512
Kernel command line: root=/dev/mtdblock2 rootfstype=yaffs2 init=/linuxrc nconsole=tty1 console=ttySAC0,115200
PID hash table entries: 512 （order: -1, 2048 bytes）
Dentry cache hash table entries: 16384 （order: 4, 65536 bytes）
Inode-cache hash table entries: 8192 （order: 3, 32768 bytes）
Memory: 128MB = 128MB total
Memory: 127192k/127192k available, 3880k reserved, 0K highmem
Virtual kernel memory layout:
    vector : 0xffff0000 - 0xffff1000   （   4 kB）
    fixmap : 0xfff00000 - 0xfffe0000   （ 896 kB）
    DMA     : 0xff600000 - 0xffe00000   （   8 MB）
    vmalloc : 0xc8800000 - 0xf6000000   （ 728 MB）
    lowmem : 0xc0000000 - 0xc8000000   （ 128 MB）
    modules : 0xbf000000 - 0xc0000000   （ 16 MB）
      .init : 0xc0008000 - 0xc0022000   （ 104 kB）
      .text : 0xc0022000 - 0xc024dc88   （2224 kB）
      .data : 0xc024e000 - 0xc0271200   （ 141 kB）
SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
NR_IRQS:246
VIC @f6000000: id 0x00041192, vendor 0x41
VIC @f6010000: id 0x00041192, vendor 0x41
Console: colour dummy device 80x30
console [ttySAC0] enabled
Calibrating delay loop... 666.41 BogoMIPS （lpj=3332096）
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
s3c64xx_dma_init: Registering DMA channels
PL080: IRQ 73, at c8808000, channels 0..8
PL080: IRQ 74, at c880c000, channels 8..16
S3C6410: Initialising architecture
bio: create slab <bio-0> at 0
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
s3c-i2c s3c2440-i2c.0: slave address 0x10
s3c-i2c s3c2440-i2c.0: bus frequency set to 65 KHz
s3c-i2c s3c2440-i2c.0: i2c-0: S3C I2C adapter
ROMFS MTD （C） 2007 Red Hat, Inc.
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered （default）
start plist test
end plist test
s3c-fb s3c-fb: window 0: fb
Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
s3c6400-uart.0: ttySAC0 at MMIO 0x7f005000 （irq = 16） is a S3C6400/10
s3c6400-uart.1: ttySAC1 at MMIO 0x7f005400 （irq = 20） is a S3C6400/10
s3c6400-uart.2: ttySAC2 at MMIO 0x7f005800 （irq = 24） is a S3C6400/10
s3c6400-uart.3: ttySAC3 at MMIO 0x7f005c00 （irq = 28） is a S3C6400/10
brd: module loaded