[MTD] PMC MSP71xx flash/rootfs mappings

Add flash and rootfs mappings for the PMC-Sierra MSP71xx devices.

This patch references some platform support files previously submitted to
the linux-mips@linux-mips.org list.

Signed-off-by: Marc St-Jean <Marc_St-Jean@pmc-sierra.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index bbf0553bdb2e..5e651721ddb9 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -69,6 +69,39 @@ config MTD_PHYSMAP_OF
           physically into the CPU's memory. The mapping description here is
           taken from OF device tree.
 
+config MTD_PMC_MSP_EVM
+        tristate "CFI Flash device mapped on PMC-Sierra MSP"
+        depends on PMC_MSP && MTD_CFI
+        select MTD_PARTITIONS
+        help
+          This provides a 'mapping' driver which support the way
+          in which user-programmable flash chips are connected on the
+          PMC-Sierra MSP eval/demo boards
+
+choice
+        prompt "Maximum mappable memory avialable for flash IO"
+        depends on MTD_PMC_MSP_EVM
+        default MSP_FLASH_MAP_LIMIT_32M
+
+config MSP_FLASH_MAP_LIMIT_32M
+        bool "32M"
+
+endchoice
+
+config MSP_FLASH_MAP_LIMIT
+        hex
+        default "0x02000000"
+        depends on MSP_FLASH_MAP_LIMIT_32M
+
+config MTD_PMC_MSP_RAMROOT
+        tristate "Embedded RAM block device for root on PMC-Sierra MSP"
+        depends on PMC_MSP_EMBEDDED_ROOTFS && \
+                        (MTD_BLOCK || MTD_BLOCK_RO) && \
+                        MTD_RAM
+        help
+          This provides support for the embedded root file system
+          on PMC MSP devices.  This memory is mapped as a MTD block device.
+
 config MTD_SUN_UFLASH
         tristate "Sun Microsystems userflash support"
         depends on SPARC && MTD_CFI