UPSTREAM: MTD: mxs_nand_spl: Redo the way nand_init initializes

Currently the spl system calls nand_init which does nothing.
It isn't until an attempt to load from NAND that it gets initialized.
Sub

UPSTREAM: MTD: mxs_nand_spl: Redo the way nand_init initializes

Currently the spl system calls nand_init which does nothing.
It isn't until an attempt to load from NAND that it gets initialized.
Subsequent attempts to load just skip the initialization because
NAND is already initialized.

This moves the contents of mxs_nand_init to nand_init. In the event
of an error, it clears the number of nand chips found. Any
attempts to use nand will check if there are nand chips available
instead of actually doing the initialization at that time. If there
are none, it will return an error to the higher level calls.

Change-Id: Icfde060758de88354580fc4834adb880bb205b39
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
(cherry picked from commit d46d27d3b6558904b8fb44e90393f11c54ef3363)

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UPSTREAM: MTD: mxs_nand: Fix BCH read timeout error on boards requiring ECC

The LogicPD board uses a Micron Flash with ECC. To boot this from
SPL, the ECC needs to be correctly configured or the BC

UPSTREAM: MTD: mxs_nand: Fix BCH read timeout error on boards requiring ECC

The LogicPD board uses a Micron Flash with ECC. To boot this from
SPL, the ECC needs to be correctly configured or the BCH engine
times out.

Change-Id: I0fcdc7f4853bf01c1a7318f4384767e9cb252e2c
Signed-off-by: Adam Ford <aford173@gmail.com>
Acked-by: Stefan Agner <stefan.agner@toradex.com>
Tested-by: Jörg Krause <joerg.krause@embedded.rocks>
Acked-by: Tim Harvey <tharvey@gateworks.com>
Tested-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
(cherry picked from commit 5ae585ba3a8bb2336d5cb6e1ef4c80a5ef445409)

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UPSTREAM: MTD: nand: mxs_nand_spl: Fix empty function pointer for BBT

The initialization function calls a nand_chip.scan_bbt(mtd) but
scan_bbt is never initialized resulting in an undefined function

UPSTREAM: MTD: nand: mxs_nand_spl: Fix empty function pointer for BBT

The initialization function calls a nand_chip.scan_bbt(mtd) but
scan_bbt is never initialized resulting in an undefined function
pointer. This will direct the function pointer to nand_default_bbt
defined in the same file.

Change-Id: Ie96ca5a965549ac74293f5f96cd6fbe4220b91fa
Signed-off-by: Adam Ford <aford173@gmail.com>
Acked-by: Stefan Agner <stefan.agner@toradex.com>
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
(cherry picked from commit 96d0be07e7498e7174daa6f3b56fc807b9feb71d)

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UPSTREAM: mtd: move NAND files into a raw/ subdirectory

NAND flavors, like serial and parallel, have a lot in common and would
benefit to share code. Let's move raw (parallel) NAND specific code in

UPSTREAM: mtd: move NAND files into a raw/ subdirectory

NAND flavors, like serial and parallel, have a lot in common and would
benefit to share code. Let's move raw (parallel) NAND specific code in a
raw/ subdirectory, to ease the addition of a core file in nand/ and the
introduction of a spi/ subdirectory specific to SPI NANDs.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Change-Id: Ibb56f85620c4798fb579be3e4e30438963b7c48b
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
(cherry picked from commit a430fa06a4ac50e785fdbfb7f43c3cb14b35619c)

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