Re: [PATCH v2] hw/block/nand: Decommission the NAND museum

[Peter Maydell <peter.maydell@linaro.org>]

On Sun, 13 Dec 2020 at 17:21, Laurent Vivier <laurent@vivier.eu> wrote:
>
> Le 16/10/2020 à 18:52, Philippe Mathieu-Daudé a écrit :
> > Cc'ing qemu-trivial@ since this patch is reviewed.
> >
> > On 10/15/20 8:12 PM, Philippe Mathieu-Daudé wrote:
> >> ping^2...
> >>
> >> On 10/1/20 7:31 PM, Philippe Mathieu-Daudé wrote:
> >>> ping qemu-block or qemu-arm?
> >>>
> >>> On 9/15/20 7:16 PM, Philippe Mathieu-Daudé wrote:
> >>>> This is the QEMU equivalent of this Linux commit (but 7 years later):
> >>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f7025a43a9da2
> >>>>
> >>>>      The MTD subsystem has its own small museum of ancient NANDs
> >>>>      in a form of the CONFIG_MTD_NAND_MUSEUM_IDS configuration option.
> >>>>      The museum contains stone age NANDs with 256 bytes pages, as well
> >>>>      as iron age NANDs with 512 bytes per page and up to 8MiB page size.
> >>>>
> >>>>      It is with great sorrow that I inform you that the museum is being
> >>>>      decommissioned. The MTD subsystem is out of budget for Kconfig
> >>>>      options and already has too many of them, and there is a general
> >>>>      kernel trend to simplify the configuration menu.
> >>>>
> >>>>      We remove the stone age exhibits along with closing the museum,
> >>>>      but some of the iron age ones are transferred to the regular NAND
> >>>>      depot. Namely, only those which have unique device IDs are
> >>>>      transferred, and the ones which have conflicting device IDs are
> >>>>      removed.
> >>>>
> >>>> The machine using this device are:
> >>>> - axis-dev88
> >>>> - tosa (via tc6393xb_init)
> >>>> - spitz based (akita, borzoi, terrier)
> >>>>
> >>>> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> >>>> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> >>>> ---
> >>>> Peter, as 4 of the 5 machines are ARM-based, can this go via your tree?
> >>>> ---
> >>>>   hw/block/nand.c | 13 ++++++-------
> >>>>   1 file changed, 6 insertions(+), 7 deletions(-)
> >>>>
> >>>> diff --git a/hw/block/nand.c b/hw/block/nand.c
> >>>> index 5c8112ed5a4..5f01ba2bc44 100644
> >>>> --- a/hw/block/nand.c
> >>>> +++ b/hw/block/nand.c
> >>>> @@ -138,7 +138,7 @@ static void mem_and(uint8_t *dest, const uint8_t *src, size_t n)
> >>>>   # define ADDR_SHIFT        16
> >>>>   # include "nand.c"
> >>>> -/* Information based on Linux drivers/mtd/nand/nand_ids.c */
> >>>> +/* Information based on Linux drivers/mtd/nand/raw/nand_ids.c */
> >>>>   static const struct {
> >>>>       int size;
> >>>>       int width;
> >>>> @@ -154,15 +154,14 @@ static const struct {
> >>>>       [0xe8] = { 1,    8,    8, 4, 0 },
> >>>>       [0xec] = { 1,    8,    8, 4, 0 },
> >>>>       [0xea] = { 2,    8,    8, 4, 0 },
> >>>> -    [0xd5] = { 4,    8,    9, 4, 0 },
> >>>>       [0xe3] = { 4,    8,    9, 4, 0 },
> >>>>       [0xe5] = { 4,    8,    9, 4, 0 },
> >>>> -    [0xd6] = { 8,    8,    9, 4, 0 },
> >>>> -    [0x39] = { 8,    8,    9, 4, 0 },
> >>>> -    [0xe6] = { 8,    8,    9, 4, 0 },
> >>>> -    [0x49] = { 8,    16,    9, 4, NAND_BUSWIDTH_16 },
> >>>> -    [0x59] = { 8,    16,    9, 4, NAND_BUSWIDTH_16 },
> >>>> +    [0x6b] = { 4,        8,        9, 4, 0 },
> >>>> +    [0xe3] = { 4,        8,        9, 4, 0 },
> >>>> +    [0xe5] = { 4,        8,        9, 4, 0 },
> >>>> +    [0xd6] = { 8,        8,        9, 4, 0 },
> >>>> +    [0xe6] = { 8,        8,        9, 4, 0 },
> >>>>       [0x33] = { 16,    8,    9, 5, 0 },
> >>>>       [0x73] = { 16,    8,    9, 5, 0 },
> >>>>
> >>>
> >>
> >
>
> Applied to my trivial-patches branch.

Er, I made review comments on this one; it needs a respin.

thanks
-- PMM