MT6253 » History » Version 2
Anonymous, 02/19/2016 10:48 PM
| 1 | 1 | = Mediatek MT6253 = |
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| 3 | The Mediatek MT6253 is a relatively modern baseband SoC made by Taiwan-based Mediatek. |
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| 5 | It inherits a lot from the older series of MT622x SoCs, but provides 2 DSP cores, RF module and power management block on the chip. |
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| 7 | The chip uses different addresses for periph. bus compared to it's predecessors. |
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| 9 | 2 | 2G RF "chip" is called MTKSOC1 (connected directly to BSI). |
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| 10 | |||
| 11 | == ROM Bootloader == |
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| 12 | 1 | ||
| 13 | The chip contains ROM bootloader similar to [wiki:MT6253]. |
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| 15 | In order to keep the chip powered-on, PMIC registers need to be set-up properly. |
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| 17 | == DSP communication == |
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| 18 | Baseband communication is handled by DSP #1. |
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| 19 | |||
| 20 | === DSP initialization === |
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| 22 | * Power ON DSP |
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| 23 | * Wait |
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| 24 | * Install patch data |
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| 25 | * Write some data via IDMA |
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| 26 | * Wait for correct data in DSP1_SharedMem |
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| 28 | Communication between ARM and DSP is carried via DSP1 Shared memory region and DSP1 shared registers. Initialization uses also IDMA. |
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| 30 | == Usage in mobile phones == |
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| 31 | * http://www.aligator.cz/produkty/aligator-a800 |
