METHOD AND DEVICE FOR UPGRADING FIRMWARE
First Claim
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1. A method for upgrading firmware in a device, comprising:
- when firmware of a first chip in the device needs to be upgraded, identifying a first partition of a flash memory in a second chip in the device, the first partition being a backup partition for downloading firmware of the second chip;
downloading new firmware of the first chip to the first partition of the flash memory in the second chip; and
copying the new firmware of the first chip from the first partition of the flash memory in the second chip to an effective region in the first chip.
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Abstract
A method for upgrading firmware in a device, includes: when firmware of a first chip in the device needs to be upgraded, identifying a first partition of a flash memory in a second chip in the device, the first partition being a backup partition for downloading firmware of the second chip; downloading new firmware of the first chip to the first partition of the flash memory in the second chip; and copying the new firmware of the first chip from the first partition of the flash memory in the second chip to an effective region in the first chip.
54 Citations
12 Claims
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1. A method for upgrading firmware in a device, comprising:
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when firmware of a first chip in the device needs to be upgraded, identifying a first partition of a flash memory in a second chip in the device, the first partition being a backup partition for downloading firmware of the second chip; downloading new firmware of the first chip to the first partition of the flash memory in the second chip; and copying the new firmware of the first chip from the first partition of the flash memory in the second chip to an effective region in the first chip. - View Dependent Claims (2, 3, 4)
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5. A device, comprising:
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a processor; and a memory for storing instructions executable by the processor; wherein the processor is configured to; when firmware of a first chip in the device needs to be upgraded, identify a first partition of a flash memory in a second chip in the device, the first partition being a backup partition for downloading firmware of the second chip; download new firmware of the first chip to the first partition of the flash memory in the second chip; and copy the new firmware of the first chip from the first partition of the flash memory in the second chip to an effective region in the first chip. - View Dependent Claims (6, 7, 8)
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9. A non-transitory computer-readable storage medium storing instructions that, when executed by one or more processors of a device, cause the device to perform a method for upgrading firmware, the method comprising:
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when firmware of a first chip in the device needs to be upgraded, identifying a first partition of a flash memory in a second chip in the device, the first partition being a backup partition for downloading firmware of the second chip; downloading new firmware of the first chip to the first partition of the flash memory in the second chip; and copying the new firmware of the first chip from the first partition of the flash memory in the second chip to an effective region in the first chip. - View Dependent Claims (10, 11, 12)
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Specification