你好,目前我用uart烧写uboot.mini.uart,但是烧写后,串口依然打印cccc,好些没有写进去,我也参考了processors.wiki.ti.com/.../TI81XX_PSP_UBOOT_User_Guide
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Xin Jin,
通过串口不烧写uboot min,而是把uboot min下载到芯片内部ram和DDR上运行。
我前面的表述可能不是太清楚,我安装http://processors.wiki.ti.com/index.php/TI81XX_PSP_UBOOT_User_Guide#Boot_Over_UART方法,
谢谢你的回复,问题解决了,DDR的那几个电阻焊错了,但是目前出现一个新问题,运行到第二个uboot时候,每次到DCACHE就不动了,打印信息如下:
U-Boot 2010.06 (Aug 15 2016 - 23:20:13) DM385_IPNC_3.80.00
DM385-GP rev 1.1
ARM clk: 600MHz
DDR clk: 533MHz
L3 clk: 200MHz
IVA clk: 450MHz
ISS clk: 400MHz
DSP Default OFF
DSS Default OFF
DRAM: 2 GiB
DCACHE: Off
NAND: HW ECC BCH8 Selected
256 MiB
Using default environment
The 2nd stage U-Boot will now be auto-loaded
Please do not interrupt the countdown till DM385_IPNC prompt if 2nd stage is alr
eady flashed
Hit any key to stop autoboot: 0
NAND read: device 0 offset 0x20000, size 0x40000
262144 bytes read: OK
## Starting application at 0x81000000 ...
U-Boot 2010.06 (Aug 15 2016 - 23:20:41) DM385_IPNC_3.80.00
DM385-GP rev 1.1
ARM clk: 600MHz
DDR clk: 533MHz
L3 clk: 200MHz
IVA clk: 450MHz
ISS clk: 400MHz
DSP Default OFF
DSS Default OFF
I2C: ready
DRAM: 2 GiB
DCACHE:
您好,我想问一下 uboot.mini.uart 是如何生成的? http://processors.wiki.ti.com/index.php/TI81XX_PSP_UBOOT_User_Guide#EVM_Switch_Settings 我参考这个 但是无法生成 uboot.mini.uart