[PATCH v2] ARM: imx: imx8mn-evk: change environment address variables

Heiko Thiery heiko.thiery at gmail.com
Thu Feb 24 21:07:14 CET 2022


Currently the space between kernel_addr_r and the fdt_addr_r is only 32MB.
To have enough space to load kernel images bigger than 32MB change the
variables to a feasible value.

The new environment variables layout is based on the scheme from
"include/configs/ti_armv7_common.h".

The CONFIG_SYS_LOAD_ADDR value is set to 0x42000000. With that we have
the same value as for the kernel_addr_r.

Signed-off-by: Heiko Thiery <heiko.thiery at gmail.com>
Reviewed-by: Peng Fan <peng.fan at nxp.com>
---
v2:
 - fixed typo and removed added empty lines (thanks to Peng Fan)

 configs/imx8mn_ddr4_evk_defconfig |  2 +-
 configs/imx8mn_evk_defconfig      |  2 +-
 include/configs/imx8mn_evk.h      | 16 ++++++++++++----
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/configs/imx8mn_ddr4_evk_defconfig b/configs/imx8mn_ddr4_evk_defconfig
index 27bf5ec05a..c13885ab5e 100644
--- a/configs/imx8mn_ddr4_evk_defconfig
+++ b/configs/imx8mn_ddr4_evk_defconfig
@@ -18,7 +18,7 @@ CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_SPL=y
 CONFIG_SPL_IMX_ROMAPI_LOADADDR=0x48000000
 CONFIG_DISTRO_DEFAULTS=y
-CONFIG_SYS_LOAD_ADDR=0x40480000
+CONFIG_SYS_LOAD_ADDR=0x42000000
 CONFIG_FIT=y
 CONFIG_FIT_EXTERNAL_OFFSET=0x3000
 CONFIG_SPL_LOAD_FIT=y
diff --git a/configs/imx8mn_evk_defconfig b/configs/imx8mn_evk_defconfig
index 807d126b21..95ac6f85fa 100644
--- a/configs/imx8mn_evk_defconfig
+++ b/configs/imx8mn_evk_defconfig
@@ -20,7 +20,7 @@ CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_SPL=y
 CONFIG_SPL_IMX_ROMAPI_LOADADDR=0x48000000
 CONFIG_DISTRO_DEFAULTS=y
-CONFIG_SYS_LOAD_ADDR=0x40480000
+CONFIG_SYS_LOAD_ADDR=0x42000000
 CONFIG_FIT=y
 CONFIG_FIT_EXTERNAL_OFFSET=0x3000
 CONFIG_SPL_LOAD_FIT=y
diff --git a/include/configs/imx8mn_evk.h b/include/configs/imx8mn_evk.h
index 142fc3e4ff..3796fe2851 100644
--- a/include/configs/imx8mn_evk.h
+++ b/include/configs/imx8mn_evk.h
@@ -39,19 +39,27 @@
 #endif
 
 /* Initial environment variables */
+/* see include/configs/ti_armv7_common.h */
+#define ENV_MEM_LAYOUT_SETTINGS \
+	"loadaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
+	"kernel_addr_r=0x42000000\0" \
+	"fdt_addr_r=0x48000000\0" \
+	"fdtoverlay_addr_r=0x49000000\0" \
+	"ramdisk_addr_r=0x48080000\0" \
+	"initrd_addr=0x48080000\0" \
+	"scriptaddr=0x40000000\0" \
+	"pxefile_addr_r=0x40100000\0"
+
 #define CONFIG_EXTRA_ENV_SETTINGS		\
 	"image=Image\0" \
 	BOOTENV \
-	"scriptaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
-	"kernel_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
 	"console=ttymxc1,115200\0" \
-	"fdt_addr_r=0x43000000\0"			\
 	"boot_fit=no\0" \
 	"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
-	"initrd_addr=0x43800000\0"		\
 	"bootm_size=0x10000000\0" \
 	"mmcpart=1\0" \
 	"mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
+	ENV_MEM_LAYOUT_SETTINGS
 
 /* Link Definitions */
 
-- 
2.30.2



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