sfc: Expose flash region storing boot code as MTD
The boot code that appears as a PCI expansion ROM on the SFC4000 is
stored in flash. Expose this as a standard MTD device to allow for
in-place upgrades.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/sfc/Kconfig b/drivers/net/sfc/Kconfig
index 3be13b5..3e25fb3 100644
--- a/drivers/net/sfc/Kconfig
+++ b/drivers/net/sfc/Kconfig
@@ -12,3 +12,11 @@
To compile this driver as a module, choose M here. The module
will be called sfc.
+config SFC_MTD
+ bool "Solarflare Solarstorm SFC4000 flash MTD support"
+ depends on SFC && MTD
+ default y
+ help
+ This exposes the on-board flash memory as an MTD device (e.g.
+ /dev/mtd1). This makes it possible to upload new boot code
+ to the NIC.