board: ti: k3: Convert boot flow ascii flow to svg

Replace the ascii flow diagram with svg.

Signed-off-by: Nishanth Menon <nm@ti.com>

doc/board/ti/img/boot_flow_01.svg

@@ -0,0 +1,220 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   version="1.1"
+   width="296px"
+   height="302px"
+   viewBox="-0.5 -0.5 296 302"
+   id="svg50"
+   sodipodi:docname="boot_flow_01.svg"
+   inkscape:version="1.1.2 (0a00cf5339, 2022-02-04)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns:xhtml="http://www.w3.org/1999/xhtml">
+  <sodipodi:namedview
+     id="namedview52"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     showgrid="false"
+     inkscape:zoom="2.2582781"
+     inkscape:cx="144.35777"
+     inkscape:cy="151"
+     inkscape:window-width="3440"
+     inkscape:window-height="1416"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg50" />
+  <defs
+     id="defs2" />
+  <g
+     id="g40">
+    <path
+       d="M 0 23 L 0 0 L 295 0 L 295 23"
+       fill="#ffe6cc"
+       stroke="#d79b00"
+       stroke-miterlimit="10"
+       pointer-events="all"
+       id="path4" />
+    <path
+       d="M 0 23 L 0 300 L 295 300 L 295 23"
+       fill="none"
+       stroke="#d79b00"
+       stroke-miterlimit="10"
+       pointer-events="none"
+       id="path6" />
+    <path
+       d="M 0 23 L 295 23"
+       fill="none"
+       stroke="#d79b00"
+       stroke-miterlimit="10"
+       pointer-events="none"
+       id="path8" />
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+       transform="translate(-0.5 -0.5)"
+       id="g14">
+      <switch
+         id="switch12">
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+           pointer-events="none"
+           width="100%"
+           height="100%"
+           requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"
+           style="overflow: visible; text-align: left;">
+          <xhtml:div
+             style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 293px; height: 1px; padding-top: 12px; margin-left: 1px;">
+            <xhtml:div
+               data-drawio-colors="color: rgb(0, 0, 0); "
+               style="box-sizing: border-box; font-size: 0px; text-align: center;">
+              <xhtml:div
+                 style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; font-weight: bold; white-space: normal; overflow-wrap: normal;">WKUP Domain</xhtml:div>
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+          </xhtml:div>
+        </foreignObject>
+        <text
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+           y="15"
+           fill="rgb(0, 0, 0)"
+           font-family="Helvetica"
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+           text-anchor="middle"
+           font-weight="bold"
+           id="text10">WKUP Domain</text>
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+       transform="translate(-0.5 -0.5)"
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+            <xhtml:div
+               data-drawio-colors="color: rgb(0, 0, 0); "
+               style="box-sizing: border-box; font-size: 0px; text-align: center;">
+              <xhtml:div
+                 style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; white-space: normal; overflow-wrap: normal;">WKUP SPL</xhtml:div>
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+          </xhtml:div>
+        </foreignObject>
+        <text
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+           y="74"
+           fill="rgb(0, 0, 0)"
+           font-family="Helvetica"
+           font-size="12px"
+           text-anchor="middle"
+           id="text30">WKUP SPL</text>
+      </switch>
+    </g>
+    <path
+       d="M 74.67 130 L 150 130 L 208.13 130"
+       fill="none"
+       stroke="rgb(0, 0, 0)"
+       stroke-miterlimit="10"
+       pointer-events="none"
+       id="path36" />
+    <path
+       d="M 213.38 130 L 206.38 133.5 L 208.13 130 L 206.38 126.5 Z"
+       fill="rgb(0, 0, 0)"
+       stroke="rgb(0, 0, 0)"
+       stroke-miterlimit="10"
+       pointer-events="none"
+       id="path38" />
+  </g>
+  <switch
+     id="switch48">
+    <g
+       requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"
+       id="g42" />
+    <a
+       transform="translate(0,-5)"
+       xlink:href="https://www.diagrams.net/doc/faq/svg-export-text-problems"
+       target="_blank"
+       id="a46">
+      <text
+         text-anchor="middle"
+         font-size="10px"
+         x="50%"
+         y="100%"
+         id="text44">Text is not SVG - cannot display</text>
+    </a>
+  </switch>
+</svg>

doc/board/ti/img/boot_flow_02.svg

@@ -0,0 +1,459 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   version="1.1"
+   width="751px"
+   height="301px"
+   viewBox="-0.5 -0.5 751 301"
+   id="svg104"
+   sodipodi:docname="boot_flow_02.svg"
+   inkscape:version="1.1.2 (0a00cf5339, 2022-02-04)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns:xhtml="http://www.w3.org/1999/xhtml">
+  <sodipodi:namedview
+     id="namedview106"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     showgrid="false"
+     inkscape:zoom="1.4993342"
+     inkscape:cx="370.1643"
+     inkscape:cy="150.73357"
+     inkscape:window-width="3440"
+     inkscape:window-height="1416"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg104" />
+  <defs
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+  <g
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+    <path
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+       fill="#ffe6cc"
+       stroke="#d79b00"
+       stroke-miterlimit="10"
+       pointer-events="all"
+       id="path4" />
+    <path
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+       fill="none"
+       stroke="#d79b00"
+       stroke-miterlimit="10"
+       pointer-events="none"
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+       fill="none"
+       stroke="#d79b00"
+       stroke-miterlimit="10"
+       pointer-events="none"
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+       transform="translate(-0.5 -0.5)"
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+           width="100%"
+           height="100%"
+           requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"
+           style="overflow: visible; text-align: left;">
+          <xhtml:div
+             style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 293px; height: 1px; padding-top: 12px; margin-left: 1px;">
+            <xhtml:div
+               data-drawio-colors="color: rgb(0, 0, 0); "
+               style="box-sizing: border-box; font-size: 0px; text-align: center;">
+              <xhtml:div
+                 style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: none; font-weight: bold; white-space: normal; overflow-wrap: normal;">WKUP Domain</xhtml:div>
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+          </xhtml:div>
+        </foreignObject>
+        <text
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+           font-weight="bold"
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+       y="50"
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+         id="text126">Text is not SVG - cannot display</text>
+    </a>
+  </switch>
+</svg>

doc/board/ti/k3.rst

@@ -45,10 +45,7 @@ boot media needed to load the binaries packaged inside `tiboot3.bin`,
 including a 32bit U-Boot SPL, (called the wakup SPL) that ROM will jump
 to after it has finished loading everything into internal SRAM.
 
-.. code-block:: text
+.. image:: img/boot_flow_01.svg
-
-   |  WKUP Domain
-    ROM -> WKUP SPL ->
 
 The wakeup SPL, running on a wakeup domain core, will initialize DDR and
 any peripherals needed load the larger binaries inside the `tispl.bin`
@@ -57,10 +54,7 @@ application cores inside the main domain to initialize the main domain,
 starting with Trusted Firmware-A (TF-A), before moving on to start
 OP-TEE and the main domain's U-Boot SPL.
 
-.. code-block:: text
+.. image:: img/boot_flow_02.svg
-
-   |  WKUP Domain   | Main Domain ->
-    ROM -> WKUP SPL -> TF-A -> OP-TEE -> Main SPL
 
 The main domain's SPL, running on a 64bit application core, has
 virtually unlimited space (billions of bytes now that DDR is working) to
@@ -68,10 +62,7 @@ initialize even more peripherals needed to load in the `u-boot.img`
 which loads more firmware into the micro-controller & wakeup domains and
 finally prepare the main domain to run Linux.
 
-.. code-block:: text
+.. image:: img/boot_flow_03.svg
-
-   |  WKUP Domain   | Main Domain ->
-    ROM -> WKUP SPL -> TF-A -> OP-TEE -> Main SPL -> UBoot -> Linux
 
 This is the typical boot flow for all K3 based SoCs, however this flow
 offers quite a lot in the terms of flexibility, especially on High