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In address-data multiplex mode, specifies the time when the first data is driven on the address-data bus. Read deassertion time – gpmc,cs-wr-off-ns: Please note as of Wednesday, August 15th, this wiki has been set to read only. Ask a new question Ask a new question Cancel. The GPMC supports 8-bit and bit devices and so this property must be 1 or 2. If property is present parameter enabled and disabled if omitted:

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In address-data multiplex mode, specifies the time when the first data is driven on the address-data bus. The maximum number of wait pins that controller can support. Example for an AM33xx board: GPMC chip – select settings properties for child limux. Trademarks Privacy Policy Terms of Use.

Linux/AM3352: GPMC access from kernel

Must be set to 2. A resource specifier for the register space. Instead are referring to a partition by its name or its offset a user simply needs to specify the NAND partition in question in the form of its mtd device path. To build a ubi files system only requires the below two commands.


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Linux source code: Documentation/devicetree/bindings/bus/ (v) – Bootlin

Retrieved linus ” http: Linux Hi, I am using sdk 3. If your interested in only a certain amount of data being dumped additional parameters can be passed to the utility. The interrupt number mapping is as follows. As this will change in the futurefilling correct.

GPMC registers are located at: In reply to yingjie gu: You can also setup new partitions after kernel has booted with old partitions. Within the kernel figuring out the mtd device number that is for a particular NAND partition is simple.

Start – cycle to first data valid delay. Example for an AM33xx board: GPMC clock activation time.

Menu Search through millions of questions and answers User. Assertion time for AAD.

Jun 8, 5: Read deassertion time – gpmc,cs-wr-off-ns: Do you have another question? Due to the holidays, responses may be delayed. Linux Core Product Group. TI is a global semiconductor design and manufacturing llinux.


Total read cycle time – gpmc,wr-cycle-ns: Delay between chip – select pulses. This provides a gpmd purpose of significant reduction in CPU load for an operation and also high performance.

Must be set to 1 to allow CS address passing – gpmc,num-cs: Add “cycle2cycle-delay” between successive accesses to a different CS – gpmc,cycle2cycle-samecsen: