[PATCH v4 06/31] mtd: nand: pxa3xx: Add documentation about the controller
Brian Norris
computersforpeace at gmail.com
Thu Nov 14 14:00:04 EST 2013
On Thu, Nov 07, 2013 at 12:17:10PM -0300, Ezequiel Garcia wrote:
> Given there's no public specification to this date, and in order
> to capture some important details and singularities about the
> controller let's document them once and for good.
Made a few small tweaks for spelling and such (see the following diff)
and pushed patches 5 through 14 to l2-mtd.git/next.
Thanks,
Brian
diff --git a/Documentation/mtd/nand/pxa3xx-nand.txt b/Documentation/mtd/nand/pxa3xx-nand.txt
index 00e601c..840fd41 100644
--- a/Documentation/mtd/nand/pxa3xx-nand.txt
+++ b/Documentation/mtd/nand/pxa3xx-nand.txt
@@ -36,7 +36,7 @@ OOB, one per chunk read.
So, in order to achieve reading (for instance), we issue several READ0 commands
(with some additional controller-specific magic) and read two chunks of 2080B
(2048 data + 32 spare) each.
-The driver accomodates this data to expose the NAND core a contiguous buffer
+The driver accommodates this data to expose the NAND core a contiguous buffer
(4096 data + spare) or (4096 + spare + ECC + spare + ECC).
ECC
@@ -81,7 +81,7 @@ an *entire* page.
Factory bad blocks handling
===========================
-Given the ECC BCH requires to layout the device's pages in a splitted
+Given the ECC BCH requires to layout the device's pages in a split
data/OOB/data/OOB way, the controller has a view of the flash page that's
different from the specified (aka the manufacturer's) view. In other words,
@@ -109,5 +109,5 @@ disabled by using the NAND_BBT_NO_OOB_BBM option in the driver. The rationale
for this is that there's no point in marking a block as bad, because good
blocks are also 'marked as bad' (in the OOB BBM sense) under normal usage.
-Instead, the drive relies in the bad block table alone, and should only perform
+Instead, the driver relies on the bad block table alone, and should only perform
the bad block scan on the very first time (when the device hasn't been used).
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