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AT91SAM9263EK之串口下载Linux内核至SDRAM

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建立终端连接

XP的超级终端—–>选择串口——>数据流控制(选择xon/xoff或者无否则在终端中不能输入指令)

连接目标版

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RomBOOT
>
U-Boot 1.1.6 (May 22 2007 - 10:42:14)
DRAM: 64 MB
NAND: NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 ( NAND 128MiB 3,3V 8-bit)
128 MiB
DataFlash:AT45DB321
Nb pages: 8192
Page Size: 528
Size= 4325376 bytes
Logical address: 0xC0000000
Area 0: C0000000 to C0003FFF (RO)
Area 1: C0004000 to C0007FFF
Area 2: C0008000 to C0037FFF (RO)
Area 3: C0038000 to C041FFFF
*** Warning - bad CRC, using default environment
In: serial
Out: serial
Err: serial
DM9161A PHY Detected
No link
MAC: error during RMII initialization
U-Boot>
RomBOOT > U-Boot 1.1.6 (May 22 2007 - 10:42:14) DRAM: 64 MB NAND: NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 ( NAND 128MiB 3,3V 8-bit) 128 MiB DataFlash:AT45DB321 Nb pages: 8192 Page Size: 528 Size= 4325376 bytes Logical address: 0xC0000000 Area 0: C0000000 to C0003FFF (RO) Area 1: C0004000 to C0007FFF Area 2: C0008000 to C0037FFF (RO) Area 3: C0038000 to C041FFFF *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial DM9161A PHY Detected No link MAC: error during RMII initialization U-Boot>
RomBOOT
>

U-Boot 1.1.6 (May 22 2007 - 10:42:14)

DRAM:  64 MB
NAND:  NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 ( NAND 128MiB 3,3V 8-bit)
128 MiB
DataFlash:AT45DB321
Nb pages:   8192
Page Size:    528
Size= 4325376 bytes
Logical address: 0xC0000000
Area 0: C0000000 to C0003FFF (RO)
Area 1: C0004000 to C0007FFF
Area 2: C0008000 to C0037FFF (RO)
Area 3: C0038000 to C041FFFF
*** Warning - bad CRC, using default environment

In:    serial
Out:   serial
Err:   serial
DM9161A PHY Detected

No link

MAC: error during RMII initialization
U-Boot>

因为在做mkimage的时候所给参数为mkimage -A ARM -O Linux -C none -a 22200000 -e 22200040 -n uImage -d zImage uImage 所以本文用串口下载时执行命令:

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U-Boot> loadb 0x22200000
U-Boot> loadb 0x22200000
U-Boot> loadb 0x22200000

发送内核

目标板准备接受内核,需要利用终端发送uImage到板子上,选择Kermit协议,完成后点击发送。发送比较慢,耐心等待。。。。。

传输完成后,终端显示如下图所示:

启动内核

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U-Boot>bootm 22200000
U-Boot>bootm 22200000
U-Boot>bootm 22200000

转载请注明:雪后西塘 » AT91SAM9263EK之串口下载Linux内核至SDRAM

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