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According to IMX28CEC rev. 4, 10/2018, Table 15. Recommended Operating Conditions, page 16, the VDDD should be set to 1.55V when the CPU is operating at 454MHz. This is the case in U-Boot, hence increase the VDDD voltage. This fixes instability when performing TFTP transfers. Increase the brownout threshold to 1.4V. The documentation recommends 1.45V setting for the brownout, however, this triggers failure during power block init, so keep the brownout slightly lower. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Stefano Babic <sbabic@denx.de> Reviewed-by: Fabio Estevam <festevam@gmail.com> |
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| lpc32xx | ||
| mx25 | ||
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| mxs | ||
| orion5x | ||
| spear | ||
| cache.c | ||
| cpu.c | ||
| Makefile | ||
| start.S | ||