Currently the space between kernel_addr_r and the fdt_addr_r is only 32MB.
To have enought 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.thi...@gmail.com>
---
 configs/imx8mn_ddr4_evk_defconfig |  2 +-
 configs/imx8mn_evk_defconfig      |  2 +-
 include/configs/imx8mn_evk.h      | 18 ++++++++++++++----
 3 files changed, 16 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..d51f87f57d 100644
--- a/include/configs/imx8mn_evk.h
+++ b/include/configs/imx8mn_evk.h
@@ -38,20 +38,30 @@
 #include <config_distro_bootcmd.h>
 #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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