[otbn] Make WSR numbers match the implementation
In 19afa99bead8fa0c44c1e9e6067deb6ed233f7cc we swapped the ACC and URND
WSRs, but ultimately the documentation wasn't updated to reflect that.
(I'm sure I had those changes at some point, seems like they got lost
during a rebase.)
Signed-off-by: Philipp Wagner <phw@lowrisc.org>
diff --git a/hw/ip/otbn/doc/_index.md b/hw/ip/otbn/doc/_index.md
index 4784f7a..ff44d4c 100644
--- a/hw/ip/otbn/doc/_index.md
+++ b/hw/ip/otbn/doc/_index.md
@@ -355,14 +355,6 @@
</tr>
<tr>
<td>0x2</td>
- <td>RW</td>
- <td>ACC</td>
- <td>
- The accumulator register used by the {{< otbnInsnRef "BN.MULQACC" >}} instruction.
- </td>
- </tr>
- <tr>
- <td>0x3</td>
<td>URND</td>
<td>R</td>
<td>
@@ -374,6 +366,14 @@
Reads never stall.
</td>
</tr>
+ <tr>
+ <td>0x3</td>
+ <td>RW</td>
+ <td>ACC</td>
+ <td>
+ The accumulator register used by the {{< otbnInsnRef "BN.MULQACC" >}} instruction.
+ </td>
+ </tr>
</tbody>
</table>