Error: unrecognized/unsupported machine ID (r1 = 0x33f60264).
解决方法一
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Linux内核启动时出现:bad machine ID,原因大致是u-boot传递给内核的machine ID错误,可以手动在内核源代码中添加machine ID.
解决方法:
在u-boot命令行中输入bdinfo
查看板卡信息,我的输出如下:
[ ~ljh@GDLC ]# bdinfo
arch_number = 0x000000C1
env_t = 0x00000000
boot_params = 0x30000100
DRAM bank = 0x00000000
-> start = 0x30000000
-> size = 0x04000000
ethaddr = 08:00:3E:26:0A:5B
ip_addr = 192.168.1.128
baudrate = 115200 bps
修改内核的arch/arm/kernel/head.S,直接将s3c2410的参数赋给内核
# cd linux-2.6.19
# vi arch/arm/kernel/head.S +72
----------------------------------------------
70 __INIT
71 .type stext, %function
72 ENTRY(stext)
/********* add here *********/
mov r0, #0
mov r1, #0xc1
ldr r2, =0x30000100
/********* end add *********/
73 msr cpsr_c, #PSR_F_BIT | PSR_I_BIT | SVC_MODE @ ensure svc mode
74 @ and irqs disabled
如果你的CPU为S3C2440。machine ID为16a,把第二句改成ldr r1,=0x16a 重新编译即可。
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