linux/configs: Add config fragment to increase /dev/ram size

* features/blk/dev-ram-32mb.scc: Increases BLK_DEV_RAM_SIZE to 32768 for
  a 32MB RAM block device, whilst reducing the count of devices to 4
* Use the feature fragment as default for Zynq

Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>

3 files changed, 11 insertions, 0 deletions

diff --git a/recipes-kernel/linux/config/xilinx-common/bsp/zynq/zynq.scc b/recipes-kernel/linux/config/xilinx-common/bsp/zynq/zynq.scc
index 358f6596..187f83a9 100644
--- a/recipes-kernel/linux/config/xilinx-common/bsp/zynq/zynq.scc
+++ b/recipes-kernel/linux/config/xilinx-common/bsp/zynq/zynq.scc
@@ -11,6 +11,7 @@ include features/scsi/scsi.scc
 include features/scsi/scsi-generic.scc
 include features/scsi/disk.scc
 
+include features/blk/dev-ram-32mb.scc
 include features/mtd/mtd.scc
 include features/uio/uio.scc
 
diff --git a/recipes-kernel/linux/config/xilinx-common/features/blk/dev-ram-32mb.cfg b/recipes-kernel/linux/config/xilinx-common/features/blk/dev-ram-32mb.cfg
new file mode 100644
index 00000000..aa2cc175
--- /dev/null
+++ b/recipes-kernel/linux/config/xilinx-common/features/blk/dev-ram-32mb.cfg
@@ -0,0 +1,5 @@
+
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=4
+CONFIG_BLK_DEV_RAM_SIZE=32768
+
diff --git a/recipes-kernel/linux/config/xilinx-common/features/blk/dev-ram-32mb.scc b/recipes-kernel/linux/config/xilinx-common/features/blk/dev-ram-32mb.scc
new file mode 100644
index 00000000..892083bf
--- /dev/null
+++ b/recipes-kernel/linux/config/xilinx-common/features/blk/dev-ram-32mb.scc
@@ -0,0 +1,5 @@
+define KFEATURE_DESCRIPTION "Increase size of /dev/ram Blocks"
+define KFEATURE_COMPATIBILITY board
+
+kconfig hardware dev-ram-32mb.cfg
+