2011-07-26 09:19:06 +00:00
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Flash device on ARM Versatile board
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2016-01-26 11:00:13 +00:00
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These flash chips are found in the ARM reference designs like Integrator,
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Versatile, RealView, Versatile Express etc.
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They are regular CFI compatible (Intel or AMD extended) flash chips with
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some special write protect/VPP bits that can be controlled by the machine's
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system controller.
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2011-07-26 09:19:06 +00:00
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Required properties:
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2016-01-26 11:00:13 +00:00
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- compatible : must be "arm,versatile-flash", "cfi-flash";
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- reg : memory address for the flash chip
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2011-07-26 09:19:06 +00:00
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- bank-width : width in bytes of flash interface.
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2016-01-26 11:00:13 +00:00
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For the rest of the properties, see mtd-physmap.txt.
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2012-03-27 21:54:15 +00:00
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The device tree may optionally contain sub-nodes describing partitions of the
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address space. See partition.txt for more detail.
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2016-01-26 11:00:13 +00:00
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Example:
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flash@34000000 {
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compatible = "arm,versatile-flash", "cfi-flash";
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reg = <0x34000000 0x4000000>;
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bank-width = <4>;
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};
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