Date: Wed, 27 Jan 2016 19:20:15 -0500 From: Steve Kiernan <stevek@juniper.net> To: Stanislav Galabov <sgalabov@gmail.com> Cc: <freebsd-mips@freebsd.org>, <freebsd-arm@freebsd.org> Subject: Re: SPI geom_flashmap/fdt_slicer support, FDT 'resets=' support and a move of ohci_fdt.c Message-ID: <20160127192015.64d0ded0@stevek-ubuntu.jnpr.net> In-Reply-To: <CANiSyhR01wY65%2B2Nu%2B3Hucs%2BbDWyKhH_ejujG9CE39SaQQ2Wqg@mail.gmail.com> References: <B4B24B7D-B3EE-4F37-9E89-24FF17294C70@gmail.com> <20160122173906.147bb7c2@stevek-ubuntu.jnpr.net> <CANiSyhR01wY65%2B2Nu%2B3Hucs%2BbDWyKhH_ejujG9CE39SaQQ2Wqg@mail.gmail.com>
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On Sat, 23 Jan 2016 07:18:04 +0200 Stanislav Galabov <sgalabov@gmail.com> wrote: > It looks like only part of the original patch I submitted made it into head > (only the mx25l part). > We also need to change sys/conf/files as Steve pointed out, as well as > sys/geom/geom_flashmap.c: > https://bz-attachments.freebsd.org/attachment.cgi?id=165546 One other thing that needs to be considered. The nand driver has an ioctl for getting chip parameters (see chip_param_io structure in sys/dev/nand/nand_dev.h) and geom_flashmap only allows for NAND_IO_GET_CHIP_PARAM to be passed to the provider. However, the CFI and SPI devices do not implement this and they probably should not as-is. Something more generic to flash devices that are handled by geom_flashmap is probably in order. -Steve
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