Cleaned up some doc and memory layout

The memory layout of the s140 crept into a number of memory files, which can cause confusion.

5 files changed, 8 insertions, 4 deletions

diff --git a/examples/boot/application/nrf/README.md b/examples/boot/application/nrf/README.md
index 703377a20..a6719b505 100644
--- a/examples/boot/application/nrf/README.md
+++ b/examples/boot/application/nrf/README.md
@@ -32,3 +32,7 @@ cargo objcopy --release --bin b -- -O binary b.bin
 ```
 cargo flash --release --bin a --chip nRF52840_xxAA
 ```
+
+You should then see a solid LED. Pressing button 1 will cause the DFU to be loaded by the bootloader. Upon
+successfully loading, you'll see the LED flash. After 5 seconds, because there is no petting of the watchdog,
+you'll see the LED go solid again. This indicates that the bootloader has reverted the update.
\ No newline at end of file
diff --git a/examples/boot/application/nrf/memory-bl.x b/examples/boot/application/nrf/memory-bl.x
index 8a32b905f..257d65644 100644
--- a/examples/boot/application/nrf/memory-bl.x
+++ b/examples/boot/application/nrf/memory-bl.x
@@ -5,7 +5,7 @@ MEMORY
   BOOTLOADER_STATE                  : ORIGIN = 0x00006000, LENGTH = 4K
   ACTIVE                            : ORIGIN = 0x00007000, LENGTH = 64K
   DFU                               : ORIGIN = 0x00017000, LENGTH = 68K
-  RAM                         (rwx) : ORIGIN = 0x20000008, LENGTH = 32K
+  RAM                         (rwx) : ORIGIN = 0x20000000, LENGTH = 32K
 }
 
 __bootloader_state_start = ORIGIN(BOOTLOADER_STATE);
diff --git a/examples/boot/application/nrf/memory.x b/examples/boot/application/nrf/memory.x
index 3a54ca460..c6926e422 100644
--- a/examples/boot/application/nrf/memory.x
+++ b/examples/boot/application/nrf/memory.x
@@ -5,7 +5,7 @@ MEMORY
   BOOTLOADER_STATE                  : ORIGIN = 0x00006000, LENGTH = 4K
   FLASH                             : ORIGIN = 0x00007000, LENGTH = 64K
   DFU                               : ORIGIN = 0x00017000, LENGTH = 68K
-  RAM                         (rwx) : ORIGIN = 0x20000008, LENGTH = 32K
+  RAM                         (rwx) : ORIGIN = 0x20000000, LENGTH = 32K
 }
 
 __bootloader_state_start = ORIGIN(BOOTLOADER_STATE);
diff --git a/examples/boot/bootloader/nrf/memory-bm.x b/examples/boot/bootloader/nrf/memory-bm.x
index 8a32b905f..257d65644 100644
--- a/examples/boot/bootloader/nrf/memory-bm.x
+++ b/examples/boot/bootloader/nrf/memory-bm.x
@@ -5,7 +5,7 @@ MEMORY
   BOOTLOADER_STATE                  : ORIGIN = 0x00006000, LENGTH = 4K
   ACTIVE                            : ORIGIN = 0x00007000, LENGTH = 64K
   DFU                               : ORIGIN = 0x00017000, LENGTH = 68K
-  RAM                         (rwx) : ORIGIN = 0x20000008, LENGTH = 32K
+  RAM                         (rwx) : ORIGIN = 0x20000000, LENGTH = 32K
 }
 
 __bootloader_state_start = ORIGIN(BOOTLOADER_STATE);
diff --git a/examples/boot/bootloader/nrf/memory.x b/examples/boot/bootloader/nrf/memory.x
index 8a32b905f..257d65644 100644
--- a/examples/boot/bootloader/nrf/memory.x
+++ b/examples/boot/bootloader/nrf/memory.x
@@ -5,7 +5,7 @@ MEMORY
   BOOTLOADER_STATE                  : ORIGIN = 0x00006000, LENGTH = 4K
   ACTIVE                            : ORIGIN = 0x00007000, LENGTH = 64K
   DFU                               : ORIGIN = 0x00017000, LENGTH = 68K
-  RAM                         (rwx) : ORIGIN = 0x20000008, LENGTH = 32K
+  RAM                         (rwx) : ORIGIN = 0x20000000, LENGTH = 32K
 }
 
 __bootloader_state_start = ORIGIN(BOOTLOADER_STATE);