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1 This document describes how to upload the cx2341x firmware to the card.
3 How to find
7 on how to obtain the firmware.
16 How to load
19 - Issue the FWapi command to stop the encoder if it is running. Wait for the
20   command to complete.
21 - Issue the FWapi command to stop the decoder if it is running. Wait for the
22   command to complete.
23 - Issue the I2C command to the digitizer to stop emitting VSYNC events.
24 - Issue the FWapi command to halt the encoder's firmware.
26 - Issue the FWapi command to halt the decoder's firmware.
28 - Write 0x00000000 to register 0x2800 to stop the Video Display Module.
29 - Write 0x00000005 to register 0x2D00 to stop the AO (audio output?).
30 - Write 0x00000000 to register 0xA064 to ping? the APU.
31 - Write 0xFFFFFFFE to register 0x9058 to stop the VPU.
32 - Write 0xFFFFFFFF to register 0x9054 to reset the HW blocks.
33 - Write 0x00000001 to register 0x9050 to stop the SPU.
35 - Write 0x0000001A to register 0x07FC to init the Encoder SDRAM's pre-charge.
36 - Write 0x80000640 to register 0x07F8 to init the Encoder SDRAM's refresh to 1us.
37 - Write 0x0000001A to register 0x08FC to init the Decoder SDRAM's pre-charge.
38 - Write 0x80000640 to register 0x08F8 to init the Decoder SDRAM's refresh to 1us.
40 - Transfer the encoder's firmware image to offset 0 in Encoder memory space.
41 - Transfer the decoder's firmware image to offset 0 in Decoder memory space.
42 - Use a read-modify-write operation to Clear bit 0 of register 0x9050 to
45 - Use a read-modify-write operation to Clear bits 3 and 0 of register 0x9058
46   to re-enable the VPU.
48 - Issue status API commands to both firmware images to verify.