[PATCH] spec/microblaze: Use configurable RAM size

[Kinsey Moore]

When committed, the MicroBlaze RAM size was hard-coded to 16MB. This
changes the default to 256MB and sets the KCU105 BSPs to 2GB since that
is what the board has on it.
---
 .../bsps/microblaze/microblaze_fpga/grp.yml   |  2 ++
 .../microblaze/microblaze_fpga/linkcmds.yml   |  2 +-
 .../microblaze/microblaze_fpga/optramlen.yml  | 21 +++++++++++++++++++
 3 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 spec/build/bsps/microblaze/microblaze_fpga/optramlen.yml

diff --git a/spec/build/bsps/microblaze/microblaze_fpga/grp.yml b/spec/build/bsps/microblaze/microblaze_fpga/grp.yml
index 3069ff2ff8..11df1802f1 100644
--- a/spec/build/bsps/microblaze/microblaze_fpga/grp.yml
+++ b/spec/build/bsps/microblaze/microblaze_fpga/grp.yml
@@ -33,6 +33,8 @@ links:
   uid: opticachesize
 - role: build-dependency
   uid: optintcbaseaddress
+- role: build-dependency
+  uid: optramlen
 - role: build-dependency
   uid: opttimerbaseaddress
 - role: build-dependency
diff --git a/spec/build/bsps/microblaze/microblaze_fpga/linkcmds.yml b/spec/build/bsps/microblaze/microblaze_fpga/linkcmds.yml
index d478e86fb6..9a3ca11b51 100644
--- a/spec/build/bsps/microblaze/microblaze_fpga/linkcmds.yml
+++ b/spec/build/bsps/microblaze/microblaze_fpga/linkcmds.yml
@@ -35,7 +35,7 @@ content: |
   MEMORY
     {
         BRAM     (AIW) : ORIGIN = 0x00000000, LENGTH = 0x10000
-        RAM   : ORIGIN = _TEXT_START_ADDR, LENGTH = 0x1000000
+        RAM   : ORIGIN = _TEXT_START_ADDR, LENGTH = ${BSP_MICROBLAZE_FPGA_RAM_LENGTH}
     }
 
   REGION_ALIAS ("REGION_START", BRAM);
diff --git a/spec/build/bsps/microblaze/microblaze_fpga/optramlen.yml b/spec/build/bsps/microblaze/microblaze_fpga/optramlen.yml
new file mode 100644
index 0000000000..748b78f0a2
--- /dev/null
+++ b/spec/build/bsps/microblaze/microblaze_fpga/optramlen.yml
@@ -0,0 +1,21 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-integer: null
+- assert-uint32: null
+- env-assign: null
+- format-and-define: null
+build-type: option
+copyrights:
+- Copyright (C) 2022 On-Line Applications Research (OAR)
+default: 0x10000000
+default-by-variant:
+- value: 0x80000000
+  variants:
+  - microblaze/kcu105.*
+description: |
+  length of memory area available to the BSP
+enabled-by: true
+format: '{:#010x}'
+links: []
+name: BSP_MICROBLAZE_FPGA_RAM_LENGTH
+type: build
-- 
2.30.2