v4.19.13 snapshot.
diff --git a/Documentation/arm/00-INDEX b/Documentation/arm/00-INDEX
new file mode 100644
index 0000000..b6e69fd
--- /dev/null
+++ b/Documentation/arm/00-INDEX
@@ -0,0 +1,50 @@
+00-INDEX
+	- this file
+Booting
+	- requirements for booting
+CCN.txt
+	- Cache Coherent Network ring-bus and perf PMU driver.
+Interrupts
+	- ARM Interrupt subsystem documentation
+IXP4xx
+	- Intel IXP4xx Network processor.
+Netwinder
+	- Netwinder specific documentation
+Porting
+       - Symbol definitions for porting Linux to a new ARM machine.
+Setup
+       - Kernel initialization parameters on ARM Linux
+README
+	- General ARM documentation
+SA1100/
+	- SA1100 documentation
+Samsung-S3C24XX/
+	- S3C24XX ARM Linux Overview
+SPEAr/
+	- ST SPEAr platform Linux Overview
+VFP/
+	- Release notes for Linux Kernel Vector Floating Point support code
+cluster-pm-race-avoidance.txt
+	- Algorithm for CPU and Cluster setup/teardown
+empeg/
+	- Ltd's Empeg MP3 Car Audio Player
+firmware.txt
+	- Secure firmware registration and calling.
+kernel_mode_neon.txt
+	- How to use NEON instructions in kernel mode
+kernel_user_helpers.txt
+	- Helper functions in kernel space made available for userspace.
+mem_alignment
+	- alignment abort handler documentation
+memory.txt
+	- description of the virtual memory layout
+nwfpe/
+	- NWFPE floating point emulator documentation
+swp_emulation
+	- SWP/SWPB emulation handler/logging description
+tcm.txt
+	- ARM Tightly Coupled Memory
+uefi.txt
+	- [U]EFI configuration and runtime services documentation
+vlocks.txt
+	- Voting locks, low-level mechanism relying on memory system atomic writes.