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authorKevin O'Connor <kevin@koconnor.net>2022-11-03 12:41:28 -0400
committerKevin O'Connor <kevin@koconnor.net>2022-11-08 09:53:04 -0500
commit42e9adcfc9963b54c71e8851e1a6a41a001531e5 (patch)
tree1ebbecfbe8eff81d4b1a5a66cc92b0e160a8d6dd /src/rp2040
parent11dd273b34e78b82ec16d22495aa107233ac6779 (diff)
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armcm_reset: Introduce Kconfig FLASH_BOOT_ADDRESS value
Specify the arm architecture flash bootup address for each chip type in Kconfig using a new FLASH_BOOT_ADDRESS setting. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/rp2040')
-rw-r--r--src/rp2040/Kconfig6
-rw-r--r--src/rp2040/rp2040_link.lds.S4
2 files changed, 7 insertions, 3 deletions
diff --git a/src/rp2040/Kconfig b/src/rp2040/Kconfig
index 37862d34..148222d7 100644
--- a/src/rp2040/Kconfig
+++ b/src/rp2040/Kconfig
@@ -31,6 +31,10 @@ config FLASH_SIZE
hex
default 0x200000
+config FLASH_BOOT_ADDRESS
+ hex
+ default 0x10000100 # Stage2 binary starts at 0x10000000
+
config RAM_START
hex
default 0x20000000
@@ -45,7 +49,7 @@ config STACK_SIZE
config FLASH_START
hex
- default 0x10000000
+ default 0x10000100
######################################################################
diff --git a/src/rp2040/rp2040_link.lds.S b/src/rp2040/rp2040_link.lds.S
index 3ffcd909..43d6115e 100644
--- a/src/rp2040/rp2040_link.lds.S
+++ b/src/rp2040/rp2040_link.lds.S
@@ -4,14 +4,14 @@
//
// This file may be distributed under the terms of the GNU GPLv3 license.
-#include "autoconf.h" // CONFIG_FLASH_START
+#include "autoconf.h" // CONFIG_FLASH_SIZE
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
OUTPUT_ARCH(arm)
MEMORY
{
- rom (rx) : ORIGIN = CONFIG_FLASH_START , LENGTH = CONFIG_FLASH_SIZE
+ rom (rx) : ORIGIN = 0x10000000 , LENGTH = CONFIG_FLASH_SIZE
ram (rwx) : ORIGIN = CONFIG_RAM_START , LENGTH = CONFIG_RAM_SIZE
}