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authorTakahiro Kuwano <Takahiro.Kuwano@infineon.com>2022-09-01 09:05:31 +0300
committerJagan Teki <jagan@edgeble.ai>2022-10-23 08:20:17 +0300
commit4d60001fdf0c13ab1ccf720bb3cd6e5d385386bb (patch)
tree7ceab529a161667689b40f8e816700b4e0231859 /drivers/mtd
parentee1c709cfde71b339a5c5dd0788522340c4c7e92 (diff)
downloadu-boot-4d60001fdf0c13ab1ccf720bb3cd6e5d385386bb.tar.xz
mtd: spi-nor-core: Track flash's internal address mode
The nor->addr_width tracks number of address bytes used in read/program/erase ops and eventually set to 4 for >16MB chips, regardless of flash's internal address mode. For Infineon SEMPER flash's, we use Read/Write Any Register commands for configuration and status check. These commands take 3- or 4-byte address depending on flash's internal address mode. Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/spi/spi-nor-core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c
index f8d5669969..08905a4055 100644
--- a/drivers/mtd/spi/spi-nor-core.c
+++ b/drivers/mtd/spi/spi-nor-core.c
@@ -2238,10 +2238,12 @@ static int spi_nor_parse_bfpt(struct spi_nor *nor,
case BFPT_DWORD1_ADDRESS_BYTES_3_ONLY:
case BFPT_DWORD1_ADDRESS_BYTES_3_OR_4:
nor->addr_width = 3;
+ nor->addr_mode_nbytes = 3;
break;
case BFPT_DWORD1_ADDRESS_BYTES_4_ONLY:
nor->addr_width = 4;
+ nor->addr_mode_nbytes = 4;
break;
default: