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authorArseniy Krasnov <avkrasnov@salutedevices.com>2024-08-26 16:17:08 +0300
committerNeil Armstrong <neil.armstrong@linaro.org>2024-08-28 16:05:45 +0200
commit9905e77edaa9b4a43285e587317c600ffa7be7ca (patch)
treed40601e8d311af73da8331980f5868da6891e4e3 /include/linux
parentee2af844ba1b27b2e959c4e649e4b769fbeb4074 (diff)
mtd: rawnand: nand_base: support for 'NAND_IS_BOOT_MEDIUM' flag
Based on Linux kernel: commit f922bd798bb9 ("mtd: rawnand: add an option to specify NAND chip as a boot device") Allow to define a NAND chip as a boot device. This can be helpful for the selection of the ECC algorithm and strength in case the boot ROM supports only a subset of controller provided options. Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com> Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com> Link: https://lore.kernel.org/r/20240826131710.29746-2-avkrasnov@salutedevices.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mtd/rawnand.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index 537c62424a1..2d85b392465 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -247,6 +247,11 @@ enum nand_ecc_algo {
* kmap'ed, vmalloc'ed highmem buffers being passed from upper layers
*/
#define NAND_USE_BOUNCE_BUFFER 0x00100000
+/*
+ * Whether the NAND chip is a boot medium. Drivers might use this information
+ * to select ECC algorithms supported by the boot ROM or similar restrictions.
+ */
+#define NAND_IS_BOOT_MEDIUM 0x00400000
/*
* Do not try to tweak the timings at runtime. This is needed when the