Documentation: Update index.md and move files

* Add more subdirectories and index.mds.
* Move "getting started" and "lessons" into sub-directories.
* Move "NativeRaminit" into northbridge/intel/sandybridge folder.
* Move "MultiProcessorInit" into soc/intel/icelake folder.
* Reference new files

Change-Id: I78c3ec0e8bcc342686277ae141a88d0486680978
Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org>
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/26262
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

27 files changed, 73 insertions, 24 deletions

diff --git a/Documentation/build_system.md b/Documentation/getting_started/build_system.md
index 787c833d2b..787c833d2b 100644
--- a/Documentation/build_system.md
+++ b/Documentation/getting_started/build_system.md
diff --git a/Documentation/gerrit_guidelines.md b/Documentation/getting_started/gerrit_guidelines.md
index cf7d5e8c5a..cf7d5e8c5a 100644
--- a/Documentation/gerrit_guidelines.md
+++ b/Documentation/getting_started/gerrit_guidelines.md
diff --git a/Documentation/getting_started/index.md b/Documentation/getting_started/index.md
new file mode 100644
index 0000000000..b23e89d701
--- /dev/null
+++ b/Documentation/getting_started/index.md
@@ -0,0 +1,6 @@
+# Getting Started
+
+* [Build System](build_system.md)
+* [Submodules](submodules.md)
+* [Kconfig](kconfig.md)
+* [Gerrit Guidelines](gerrit_guidelines.md)
diff --git a/Documentation/core/Kconfig.md b/Documentation/getting_started/kconfig.md
index 7b436ce80a..7b436ce80a 100644
--- a/Documentation/core/Kconfig.md
+++ b/Documentation/getting_started/kconfig.md
diff --git a/Documentation/submodules.md b/Documentation/getting_started/submodules.md
index 631e351303..631e351303 100644
--- a/Documentation/submodules.md
+++ b/Documentation/getting_started/submodules.md
diff --git a/Documentation/index.md b/Documentation/index.md
index a3cda52550..afe892da6a 100644
--- a/Documentation/index.md
+++ b/Documentation/index.md
@@ -1,5 +1,4 @@
-Welcome to coreboot's documentation!
-====================================
+# Welcome to the coreboot documentation
 
 This is the developer documentation for [coreboot](https://coreboot.org).
 It is built from Markdown files in the
@@ -8,16 +7,14 @@ directory in the source code.
 
 Contents:
 
-* [Lesson 2: Submitting a patch to coreboot.org](Lesson2.md)
-* [Gerrit Etiquette and Guidelines](gerrit_guidelines.md)
-* [coreboot's build system](build_system.md)
-* [Kconfig in coreboot](core/Kconfig.md)
-* [Use of git submodules in coreboot](submodules.md)
+* [Getting Started](getting_started/index.md)
+* [Rookie Guide](lessons/index.md)
 * [Timestamps](timestamp.md)
 * [Dealing with Untrusted Input in SMM](technotes/2017-02-dealing-with-untrusted-input-in-smm.md)
 * [ABI data consumption](abi-data-consumption.md)
 * [GPIO toggling in ACPI AML](acpi/gpio.md)
 * [Native Graphics Initialization with libgfxinit](gfx/libgfxinit.md)
-* [Sandy Bridge Raminit](Intel/NativeRaminit/Sandybridge.md)
+* [Northbridge-specific documentation](northbridge/index.md)
+* [System on Chip-specific documentation](soc/index.md)
 * [Mainboard-specific documentation](mainboard/index.md)
 * [SuperIO-specific documentation](superio/index.md)
diff --git a/Documentation/lessons/index.md b/Documentation/lessons/index.md
new file mode 100644
index 0000000000..6540e8c4fa
--- /dev/null
+++ b/Documentation/lessons/index.md
@@ -0,0 +1,4 @@
+# Rookie Guide
+
+* [Lesson 1: Starting from scratch](lesson1.md)
+* [Lesson 2: Submitting a patch to coreboot.org](lesson2.md)
diff --git a/Documentation/Lesson1.md b/Documentation/lessons/lesson1.md
index 0a10ba3723..0a10ba3723 100644
--- a/Documentation/Lesson1.md
+++ b/Documentation/lessons/lesson1.md
diff --git a/Documentation/Lesson2.md b/Documentation/lessons/lesson2.md
index ec929c8014..ec929c8014 100644
--- a/Documentation/Lesson2.md
+++ b/Documentation/lessons/lesson2.md
diff --git a/Documentation/mainboard/hp/compaq_8200_sff.md b/Documentation/mainboard/hp/compaq_8200_sff.md
index 9d6a0e7f50..3e83e25060 100644
--- a/Documentation/mainboard/hp/compaq_8200_sff.md
+++ b/Documentation/mainboard/hp/compaq_8200_sff.md
@@ -60,19 +60,19 @@ as otherwise there's not enough space near the flash.
 ## Technology
 
 ```eval_rst
-+------------------+--------------------------------------+
-| Northbridge      | Sandy Bridge                         |
-+------------------+--------------------------------------+
-| Southbridge      | bd82x6x                              |
-+------------------+--------------------------------------+
-| CPU              | model_206ax                          |
-+------------------+--------------------------------------+
-| SuperIO          | :doc:`../../superio/nuvoton/npcd378` |
-+------------------+--------------------------------------+
-| EC               |                                      |
-+------------------+--------------------------------------+
-| Coprocessor      | Intel ME                             |
-+------------------+--------------------------------------+
++------------------+--------------------------------------------------+
+| Northbridge      | :doc:`../../northbridge/intel/sandybridge/index` |
++------------------+--------------------------------------------------+
+| Southbridge      | bd82x6x                                          |
++------------------+--------------------------------------------------+
+| CPU              | model_206ax                                      |
++------------------+--------------------------------------------------+
+| SuperIO          | :doc:`../../superio/nuvoton/npcd378`             |
++------------------+--------------------------------------------------+
+| EC               |                                                  |
++------------------+--------------------------------------------------+
+| Coprocessor      | Intel ME                                         |
++------------------+--------------------------------------------------+
 ```
 
 [Compaq 8200 Elite SFF]: https://support.hp.com/us-en/document/c03414707
diff --git a/Documentation/northbridge/index.md b/Documentation/northbridge/index.md
new file mode 100644
index 0000000000..79700785af
--- /dev/null
+++ b/Documentation/northbridge/index.md
@@ -0,0 +1,7 @@
+# Northbridge-specific documentation
+
+This section contains documentation about coreboot on specific northbridges.
+
+## Vendor
+
+- [Intel](intel/index.md)
diff --git a/Documentation/northbridge/intel/index.md b/Documentation/northbridge/intel/index.md
new file mode 100644
index 0000000000..6cca1daf7a
--- /dev/null
+++ b/Documentation/northbridge/intel/index.md
@@ -0,0 +1,7 @@
+# Intel Northbridge-specific documentation
+
+This section contains documentation about coreboot on specific Intel Northbridges.
+
+## Platforms
+
+- [Sandy Bridge](sandybridge/index.md)
diff --git a/Documentation/northbridge/intel/sandybridge/index.md b/Documentation/northbridge/intel/sandybridge/index.md
new file mode 100644
index 0000000000..815abcefb5
--- /dev/null
+++ b/Documentation/northbridge/intel/sandybridge/index.md
@@ -0,0 +1,7 @@
+# Intel Sandy Bridge-specific documentation
+
+This section contains documentation about coreboot on specific Intel "Sandy Bridge" northbridge.
+
+## Topics
+
+- [Native Ram Initialization](nri.md)
diff --git a/Documentation/Intel/NativeRaminit/Sandybridge.md b/Documentation/northbridge/intel/sandybridge/nri.md
index 5c83a0dad2..1b07ba48eb 100644
--- a/Documentation/Intel/NativeRaminit/Sandybridge.md
+++ b/Documentation/northbridge/intel/sandybridge/nri.md
@@ -41,13 +41,13 @@ The memory initialization code has to take care of lots of duties:
 ```
 
 ## (Inoffical) register documentation
-- [Sandy Bride - Register documentation](SandyBridge_registers.md)
+- [Sandy Bride - Register documentation](nri_registers.md)
 
 ## Frequency selection
-- [Sandy Bride - Frequency selection](Sandybridge_freq.md)
+- [Sandy Bride - Frequency selection](nri_freq.md)
 
 ## Read training
-- [Sandy Bride - Read training](Sandybridge_read.md)
+- [Sandy Bride - Read training](nri_read.md)
 
 ### SMBIOS type 17
 The SMBIOS specification allows to report the memory configuration in use.
diff --git a/Documentation/Intel/NativeRaminit/Sandybridge_freq.md b/Documentation/northbridge/intel/sandybridge/nri_freq.md
index d8b73b3aec..d8b73b3aec 100644
--- a/Documentation/Intel/NativeRaminit/Sandybridge_freq.md
+++ b/Documentation/northbridge/intel/sandybridge/nri_freq.md
diff --git a/Documentation/Intel/NativeRaminit/Sandybridge_read.md b/Documentation/northbridge/intel/sandybridge/nri_read.md
index 0496657b3f..0496657b3f 100644
--- a/Documentation/Intel/NativeRaminit/Sandybridge_read.md
+++ b/Documentation/northbridge/intel/sandybridge/nri_read.md
diff --git a/Documentation/Intel/NativeRaminit/SandyBridge_registers.md b/Documentation/northbridge/intel/sandybridge/nri_registers.md
index 601157c464..601157c464 100644
--- a/Documentation/Intel/NativeRaminit/SandyBridge_registers.md
+++ b/Documentation/northbridge/intel/sandybridge/nri_registers.md
diff --git a/Documentation/Intel/NativeRaminit/timA_lane0-3_adjust_fine.png b/Documentation/northbridge/intel/sandybridge/timA_lane0-3_adjust_fine.png
index d72e4c6d84..d72e4c6d84 100644
--- a/Documentation/Intel/NativeRaminit/timA_lane0-3_adjust_fine.png
+++ b/Documentation/northbridge/intel/sandybridge/timA_lane0-3_adjust_fine.png
diff --git a/Documentation/Intel/NativeRaminit/timA_lane0-3_discover_420x.png b/Documentation/northbridge/intel/sandybridge/timA_lane0-3_discover_420x.png
index 6f33217d1e..6f33217d1e 100644
--- a/Documentation/Intel/NativeRaminit/timA_lane0-3_discover_420x.png
+++ b/Documentation/northbridge/intel/sandybridge/timA_lane0-3_discover_420x.png
diff --git a/Documentation/Intel/NativeRaminit/timA_lane0-3_rt53.png b/Documentation/northbridge/intel/sandybridge/timA_lane0-3_rt53.png
index 191e792845..191e792845 100644
--- a/Documentation/Intel/NativeRaminit/timA_lane0-3_rt53.png
+++ b/Documentation/northbridge/intel/sandybridge/timA_lane0-3_rt53.png
diff --git a/Documentation/Intel/NativeRaminit/timA_lane0-3_rt54.png b/Documentation/northbridge/intel/sandybridge/timA_lane0-3_rt54.png
index fa7f6089d0..fa7f6089d0 100644
--- a/Documentation/Intel/NativeRaminit/timA_lane0-3_rt54.png
+++ b/Documentation/northbridge/intel/sandybridge/timA_lane0-3_rt54.png
diff --git a/Documentation/Intel/NativeRaminit/timA_lane0-3_rt55.png b/Documentation/northbridge/intel/sandybridge/timA_lane0-3_rt55.png
index 7f2fa397dd..7f2fa397dd 100644
--- a/Documentation/Intel/NativeRaminit/timA_lane0-3_rt55.png
+++ b/Documentation/northbridge/intel/sandybridge/timA_lane0-3_rt55.png
diff --git a/Documentation/soc/index.md b/Documentation/soc/index.md
new file mode 100644
index 0000000000..ca50dc85fb
--- /dev/null
+++ b/Documentation/soc/index.md
@@ -0,0 +1,7 @@
+# SOC-specific documentation
+
+This section contains documentation about coreboot on specific SOCs.
+
+## Vendor
+
+- [Intel](intel/index.md)
diff --git a/Documentation/Intel/MultiProcessorInit/MultiProcessorInit.md b/Documentation/soc/intel/icelake/MultiProcessorInit.md
index ab0b5135ed..ab0b5135ed 100644
--- a/Documentation/Intel/MultiProcessorInit/MultiProcessorInit.md
+++ b/Documentation/soc/intel/icelake/MultiProcessorInit.md
diff --git a/Documentation/Intel/MultiProcessorInit/coreboot_publish_mp_service_api.png b/Documentation/soc/intel/icelake/coreboot_publish_mp_service_api.png
index 5836140c53..5836140c53 100644
--- a/Documentation/Intel/MultiProcessorInit/coreboot_publish_mp_service_api.png
+++ b/Documentation/soc/intel/icelake/coreboot_publish_mp_service_api.png
diff --git a/Documentation/soc/intel/icelake/index.md b/Documentation/soc/intel/icelake/index.md
new file mode 100644
index 0000000000..b4f512ca05
--- /dev/null
+++ b/Documentation/soc/intel/icelake/index.md
@@ -0,0 +1,7 @@
+# Intel Ice Lake SOC-specific documentation
+
+This section contains documentation about coreboot on specific Intel "Ice Lake" SOCs.
+
+## Multiprocessor Init
+
+- [Multiprocessor Init](MultiProcessorInit.md)
diff --git a/Documentation/soc/intel/index.md b/Documentation/soc/intel/index.md
new file mode 100644
index 0000000000..5ac5125cfc
--- /dev/null
+++ b/Documentation/soc/intel/index.md
@@ -0,0 +1,7 @@
+# Intel SOC-specific documentation
+
+This section contains documentation about coreboot on specific Intel SOCs.
+
+## Platforms
+
+- [Ice Lake/9th Gen Core-i series](icelake/index.md)