[PATCH v6 24/24] doc: board: ti: j784s4: document OSPI NOR layout

Jonathan Humphreys j-humphreys at ti.com
Sat Jun 8 00:38:58 CEST 2024


Added OSPI NOR flash layout diagram, as well as example commands to flash
firmware to it.  Added OSPI boot mode pin setting.

Signed-off-by: Jonathan Humphreys <j-humphreys at ti.com>
---
 doc/board/ti/img/ospi_sysfw3.svg | 802 +++++++++++++++++++++++++++++++
 doc/board/ti/j784s4_evm.rst      |  28 ++
 2 files changed, 830 insertions(+)
 create mode 100644 doc/board/ti/img/ospi_sysfw3.svg

diff --git a/doc/board/ti/img/ospi_sysfw3.svg b/doc/board/ti/img/ospi_sysfw3.svg
new file mode 100644
index 00000000000..382867c6f4f
--- /dev/null
+++ b/doc/board/ti/img/ospi_sysfw3.svg
@@ -0,0 +1,802 @@
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+                </xhtml:div>
+              </xhtml:div>
+            </xhtml:div>
+          </foreignObject>
+          <text
+             x="118"
+             y="224"
+             fill="rgb(0, 0, 0)"
+             font-family="Helvetica"
+             font-size="12px"
+             text-anchor="end"
+             id="text147">0x6C0000</text>
+        </switch>
+      </g>
+    </g>
+    <g
+       id="g157">
+      <rect
+         x="120"
+         y="255"
+         width="200"
+         height="40"
+         fill="none"
+         stroke="rgb(0, 0, 0)"
+         pointer-events="all"
+         id="rect155" />
+    </g>
+    <g
+       id="g165">
+      <g
+         transform="translate(-0.5 -0.5)"
+         id="g163">
+        <switch
+           id="switch161">
+          <foreignObject
+             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: 198px; height: 1px; padding-top: 275px; margin-left: 121px;">
+              <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: all; white-space: normal; overflow-wrap: normal;">ospi.rootfs(UBIFS)</xhtml:div>
+              </xhtml:div>
+            </xhtml:div>
+          </foreignObject>
+          <text
+             x="220"
+             y="279"
+             fill="rgb(0, 0, 0)"
+             font-family="Helvetica"
+             font-size="12px"
+             text-anchor="middle"
+             id="text159">ospi.rootfs(UBIFS)</text>
+        </switch>
+      </g>
+    </g>
+    <g
+       id="g169">
+      <rect
+         x="0"
+         y="245"
+         width="120"
+         height="30"
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+         id="rect167" />
+    </g>
+    <g
+       id="g177">
+      <g
+         transform="translate(-0.5 -0.5)"
+         id="g175">
+        <switch
+           id="switch173">
+          <foreignObject
+             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 flex-end; width: 118px; height: 1px; padding-top: 260px; margin-left: 0px;">
+              <xhtml:div
+                 data-drawio-colors="color: rgb(0, 0, 0); "
+                 style="box-sizing: border-box; font-size: 0px; text-align: right;">
+                <xhtml:div
+                   style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                  <xhtml:pre
+                     style="box-sizing: border-box; font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", Courier, monospace; line-height: 1.4; margin-top: 0px; margin-bottom: 0px; padding: 12px; overflow: auto; color: rgb(64, 64, 64); text-align: start;">0x800000</xhtml:pre>
+                </xhtml:div>
+              </xhtml:div>
+            </xhtml:div>
+          </foreignObject>
+          <text
+             x="118"
+             y="264"
+             fill="rgb(0, 0, 0)"
+             font-family="Helvetica"
+             font-size="12px"
+             text-anchor="end"
+             id="text171">0x800000</text>
+        </switch>
+      </g>
+    </g>
+    <g
+       id="g181">
+      <rect
+         x="120"
+         y="295"
+         width="200"
+         height="40"
+         fill="none"
+         stroke="rgb(0, 0, 0)"
+         pointer-events="all"
+         id="rect179" />
+    </g>
+    <g
+       id="g189">
+      <g
+         transform="translate(-0.5 -0.5)"
+         id="g187">
+        <switch
+           id="switch185">
+          <foreignObject
+             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: 198px; height: 1px; padding-top: 315px; margin-left: 121px;">
+              <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: all; white-space: normal; overflow-wrap: normal;">ospi.phypattern(256k)</xhtml:div>
+              </xhtml:div>
+            </xhtml:div>
+          </foreignObject>
+          <text
+             x="220"
+             y="319"
+             fill="rgb(0, 0, 0)"
+             font-family="Helvetica"
+             font-size="12px"
+             text-anchor="middle"
+             id="text183">ospi.phypattern(256k)</text>
+        </switch>
+      </g>
+    </g>
+    <g
+       id="g193">
+      <rect
+         x="0"
+         y="285"
+         width="120"
+         height="30"
+         fill="none"
+         stroke="none"
+         pointer-events="all"
+         id="rect191" />
+    </g>
+    <g
+       id="g201">
+      <g
+         transform="translate(-0.5 -0.5)"
+         id="g199">
+        <switch
+           id="switch197">
+          <foreignObject
+             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 flex-end; width: 118px; height: 1px; padding-top: 300px; margin-left: 0px;">
+              <xhtml:div
+                 data-drawio-colors="color: rgb(0, 0, 0); "
+                 style="box-sizing: border-box; font-size: 0px; text-align: right;">
+                <xhtml:div
+                   style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
+                  <xhtml:pre
+                     style="box-sizing: border-box; font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", Courier, monospace; line-height: 1.4; margin-top: 0px; margin-bottom: 0px; padding: 12px; overflow: auto; color: rgb(64, 64, 64); text-align: start;">0x3FC0000</xhtml:pre>
+                </xhtml:div>
+              </xhtml:div>
+            </xhtml:div>
+          </foreignObject>
+          <text
+             x="118"
+             y="304"
+             fill="rgb(0, 0, 0)"
+             font-family="Helvetica"
+             font-size="12px"
+             text-anchor="end"
+             id="text195">0x3FC0000</text>
+        </switch>
+      </g>
+    </g>
+  </g>
+</svg>
diff --git a/doc/board/ti/j784s4_evm.rst b/doc/board/ti/j784s4_evm.rst
index 5c4bd2c927d..2ffec3dbd3b 100644
--- a/doc/board/ti/j784s4_evm.rst
+++ b/doc/board/ti/j784s4_evm.rst
@@ -153,6 +153,31 @@ Image formats
 .. image:: img/dm_tispl.bin.svg
     :alt: tispl.bin format
 
+OSPI:
+-----
+ROM supports booting from OSPI from offset 0x0.
+
+Flashing images to OSPI NOR:
+
+Below commands can be used to download tiboot3.bin, tispl.bin, and
+u-boot.img over tftp and then flash those to OSPI at their respective
+addresses.
+
+.. prompt:: bash =>
+
+  sf probe
+  tftp ${loadaddr} tiboot3.bin
+  sf update $loadaddr 0x0 $filesize
+  tftp ${loadaddr} tispl.bin
+  sf update $loadaddr 0x80000 $filesize
+  tftp ${loadaddr} u-boot.img
+  sf update $loadaddr 0x280000 $filesize
+
+Flash layout for OSPI NOR:
+
+.. image:: img/ospi_sysfw3.svg
+  :alt: OSPI NOR flash partition layout
+
 R5 Memory Map
 -------------
 
@@ -262,6 +287,9 @@ section.
    * - SD
      - 0000
 
+   * - OSPI
+     - 0010
+
    * - EMMC
      - 0110
 
-- 
2.34.1



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