ARM: dts: i.MX6QDL: icore-rqs: Fix eMMC detection during SPL

[people/ms/u-boot.git] / doc / uImage.FIT / command_syntax_extensions.txt

diff --git a/doc/uImage.FIT/command_syntax_extensions.txt b/doc/uImage.FIT/command_syntax_extensions.txt
index 6c99b1c1594432a0e4622819ccd3f5bb23edc346..6a99089ab5575d08284257f08830cb753377463d 100644 (file)
--- a/doc/uImage.FIT/command_syntax_extensions.txt
+++ b/doc/uImage.FIT/command_syntax_extensions.txt
@@ -36,7 +36,7 @@ Old uImage:
 New uImage:
 8.  bootm <addr1>
 9.  bootm [<addr1>]:<subimg1>
-10. bootm [<addr1>]#<conf>
+10. bootm [<addr1>]#<conf>[#<extra-conf[#...]]
 11. bootm [<addr1>]:<subimg1> [<addr2>]:<subimg2>
 12. bootm [<addr1>]:<subimg1> [<addr2>]:<subimg2> [<addr3>]:<subimg3>
 13. bootm [<addr1>]:<subimg1> [<addr2>]:<subimg2> <addr3>
@@ -129,30 +129,40 @@ following syntax:
 - new uImage configuration specification
 <addr>#<configuration unit_name>
 
+- new uImage configuration specification with extra configuration components
+<addr>#<configuration unit_name>[#<extra configuration unit_name>[#..]]
+
+The extra configuration currently is supported only for additional device tree
+overlays to apply on the base device tree supplied by the first configuration
+unit.
 
 Examples:
 
-- boot kernel "kernel@1" stored in a new uImage located at 200000:
-bootm 200000:kernel@1
+- boot kernel "kernel-1" stored in a new uImage located at 200000:
+bootm 200000:kernel-1
+
+- boot configuration "cfg-1" from a new uImage located at 200000:
+bootm 200000#cfg-1
 
-- boot configuration "cfg@1" from a new uImage located at 200000:
-bootm 200000#cfg@1
+- boot configuration "cfg-1" with extra "cfg-2" from a new uImage located
+  at 200000:
+bootm 200000#cfg-1#cfg-2
 
-- boot "kernel@1" from a new uImage at 200000 with initrd "ramdisk@2" found in
+- boot "kernel-1" from a new uImage at 200000 with initrd "ramdisk-2" found in
   some other new uImage stored at address 800000:
-bootm 200000:kernel@1 800000:ramdisk@2
+bootm 200000:kernel-1 800000:ramdisk-2
 
-- boot "kernel@2" from a new uImage at 200000, with initrd "ramdisk@1" and FDT
-  "fdt@1", both stored in some other new uImage located at 800000:
-bootm 200000:kernel@1 800000:ramdisk@1 800000:fdt@1
+- boot "kernel-2" from a new uImage at 200000, with initrd "ramdisk-1" and FDT
+  "fdt-1", both stored in some other new uImage located at 800000:
+bootm 200000:kernel-1 800000:ramdisk-1 800000:fdt-1
 
-- boot kernel "kernel@2" with initrd "ramdisk@2", both stored in a new uImage
+- boot kernel "kernel-2" with initrd "ramdisk-2", both stored in a new uImage
   at address 200000, with a raw FDT blob stored at address 600000:
-bootm 200000:kernel@2 200000:ramdisk@2 600000
+bootm 200000:kernel-2 200000:ramdisk-2 600000
 
-- boot kernel "kernel@2" from new uImage at 200000 with FDT "fdt@1" from the
+- boot kernel "kernel-2" from new uImage at 200000 with FDT "fdt-1" from the
   same new uImage:
-bootm 200000:kernel@2 - 200000:fdt@1
+bootm 200000:kernel-2 - 200000:fdt-1
 
 
 Note on current image address
@@ -176,16 +186,16 @@ current image address is to be used. For example, consider the following
 commands:
 
 tftp 200000 /tftpboot/uImage
-bootm :kernel@1
+bootm :kernel-1
 Last command is equivalent to:
-bootm 200000:kernel@1
+bootm 200000:kernel-1
 
 tftp 200000 /tftpboot/uImage
-bootm 400000:kernel@1 :ramdisk@1
+bootm 400000:kernel-1 :ramdisk-1
 Last command is equivalent to:
-bootm 400000:kernel@1 400000:ramdisk@1
+bootm 400000:kernel-1 400000:ramdisk-1
 
 tftp 200000 /tftpboot/uImage
-bootm :kernel@1 400000:ramdisk@1 :fdt@1
+bootm :kernel-1 400000:ramdisk-1 :fdt-1
 Last command is equivalent to:
-bootm 200000:kernel@1 400000:ramdisk@1 400000:fdt@1
+bootm 200000:kernel-1 400000:ramdisk-1 400000:fdt-1