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  1. M

    What really happens on Pyra bootup?

    After the ROM loads the MLO (x-loader), control passes to U-Boot proper, which then initializes basic hardware, keeps the LEDs blinking, and looks for a boot script or kernel based on its compiled-in environment. On Pyra, the default U-Boot environment is stored internally and strongly biased...
  2. M

    What really happens on Pyra bootup?

    On the Pyra the boot chain is mostly fixed in ROM first, not U-Boot. The OMAP5 ROM code always starts by looking for an MLO in a very specific order: internal eMMC first, then the internal µSD, and only then the left SD slot. The LED behavior is already handled by early boot code in the shipped...
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