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-rw-r--r--arch/arm/cpu/armv8/fsl-lsch3/README8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/README b/arch/arm/cpu/armv8/fsl-lsch3/README
index 99fc39a61f..f781620b30 100644
--- a/arch/arm/cpu/armv8/fsl-lsch3/README
+++ b/arch/arm/cpu/armv8/fsl-lsch3/README
@@ -33,3 +33,11 @@ is shown below considering a 32MB NOR flash device:
------------------------- ----> 0x0000_0000
32-MB NOR flash layout
+
+Environment Variables
+=====================
+mcboottimeout: MC boot timeout in milliseconds. If this variable is not defined
+ the value CONFIG_SYS_LS_MC_BOOT_TIMEOUT_MS will be assumed.
+
+mcmemsize: MC DRAM block size. If this variable is not defined, the value
+ CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE will be assumed.
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