897f3a18b0
Not all architectures implement a writel_relaxed() accessor. Hopefully this will change eventually, but for now, this means lpddr2_nvm.c can't compile on some architectures. Let's add an ARM dependency for now, and leave a comment so maybe we can change this in the future. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Cc: Vincenzo Aliberti <vincenzo.aliberti@gmail.com>
30 lines
934 B
Plaintext
30 lines
934 B
Plaintext
menu "LPDDR & LPDDR2 PCM memory drivers"
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depends on MTD
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config MTD_LPDDR
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tristate "Support for LPDDR flash chips"
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select MTD_QINFO_PROBE
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help
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This option enables support of LPDDR (Low power double data rate)
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flash chips. Synonymous with Mobile-DDR. It is a new standard for
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DDR memories, intended for battery-operated systems.
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config MTD_QINFO_PROBE
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depends on MTD_LPDDR
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tristate "Detect flash chips by QINFO probe"
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help
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Device Information for LPDDR chips is offered through the Overlay
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Window QINFO interface, permits software to be used for entire
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families of devices. This serves similar purpose of CFI on legacy
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Flash products
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config MTD_LPDDR2_NVM
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# ARM dependency is only for writel_relaxed()
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depends on MTD && ARM
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tristate "Support for LPDDR2-NVM flash chips"
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help
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This option enables support of PCM memories with a LPDDR2-NVM
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(Low power double data rate 2) interface.
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endmenu
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