[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
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+ 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"
+ fill="none"
+ stroke="none"
+ pointer-events="all"
+ 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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