diff --git a/boards/layout_opentitan.ld b/boards/layout_opentitan.ld
index ada781c..096b5a4 100644
--- a/boards/layout_opentitan.ld
+++ b/boards/layout_opentitan.ld
@@ -9,8 +9,8 @@
    * Note that the SRAM address may need to be changed depending on
    * the kernel binary, check for the actual address of APP_MEMORY!
    */
-  FLASH (rx) : ORIGIN = 0x20030040, LENGTH = 32M
-  SRAM (rwx) : ORIGIN = 0x10004000, LENGTH = 512K
+  FLASH (rx) : ORIGIN = 0x20800040, LENGTH = 0x800000 - 0x40
+  SRAM (rwx) : ORIGIN = 0x10800000, LENGTH = 0x800000
 }
 
 MPU_MIN_ALIGN = 1K;