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| author | Lee Leahy <leroy.p.leahy@intel.com> | 2016-02-28 06:22:47 -0800 |
|---|---|---|
| committer | Leroy P Leahy <leroy.p.leahy@intel.com> | 2016-02-29 04:59:26 +0100 |
| commit | 4ee073d4769a966e1da0e61575e1b1f9c6ad820a (patch) | |
| tree | 8085a55f03950667dd7a9d467aa92d6be8dbc077 /Documentation/Intel/SoC/soc.html | |
| parent | ca20b5fa6fbb81180da961f2ac0cb27a3bad583d (diff) | |
| download | coreboot-4ee073d4769a966e1da0e61575e1b1f9c6ad820a.tar.xz | |
Documentation/Intel: More CorebootPayloadPkg documentation
Add more documentation on the features that the EDK-II
CorebootPayloadPkg is using. Add 8254 and 8259 documentation
links. Add EDK-II documentation links.
TEST=Boot CorebootPayloadPkg to shell prompt
Change-Id: I66df1be0ba908b51b5ddb44a8671b2d7bdb46493
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/13851
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'Documentation/Intel/SoC/soc.html')
| -rw-r--r-- | Documentation/Intel/SoC/soc.html | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/Documentation/Intel/SoC/soc.html b/Documentation/Intel/SoC/soc.html index 5a0a442161..2380cdf61e 100644 --- a/Documentation/Intel/SoC/soc.html +++ b/Documentation/Intel/SoC/soc.html @@ -33,6 +33,7 @@ </ol> </li> <li><a href="#AcpiTables">ACPI Tables</a></li> + <li><a href="#LegacyHardware">Legacy Hardware</a></li> </ol> @@ -560,7 +561,7 @@ Use the following steps to debug the call to TempRamInit: <hr> <h1><a name="AcpiTables">ACPI Tables</a></h1> <p> - One of the payloads that needs ACPI tables is the EDK2 CorebootPayloadPkg. + One of the payloads that needs ACPI tables is the EDK2 <a target="_blank" href="quark.html#CorebootPayloadPkg">CorebootPayloadPkg</a>. </p> <h2>FADT</h2> @@ -664,6 +665,57 @@ Use the following steps to debug the call to TempRamInit: </ol> + +<hr> +<h1><a name="LegacyHardware">Legacy Hardware</a></h1> +<p> + One of the payloads that needs legacy hardare is the EDK2 <a target="_blank" href="quark.html#CorebootPayloadPkg">CorebootPayloadPkg</a>. +</p> + +<table border="1"> + <tr bgcolor="c0ffc0"> + <th>Peripheral</th> + <th>Use</th> + <th>8259 Interrupt Vector</th> + <th>IDT Base Offset</th> + <th>Interrupt Handler</th> + </tr> + <tr> + <td> + <a target="_blank" href="http://www.scs.stanford.edu/10wi-cs140/pintos/specs/8254.pdf">8254</a> + Programmable Interval Timer + </td> + <td> + EDK2: PcAtChipsetPkg/8254TimerDxe/<a target="_blank" href="https://github.com/tianocore/edk2/blob/master/PcAtChipsetPkg/8254TimerDxe/Timer.c">Timer.c</a> + </td> + <td>0</td> + <td>0x340</td> + <td> + <a target="_blank" href="https://github.com/tianocore/edk2/blob/master/PcAtChipsetPkg/8254TimerDxe/Timer.c#l71">TimerInterruptHandler</a> + </td> + </tr> + <tr> + <td> + <a target="_blank" href="https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwibxYKU3ZDLAhVOzWMKHfuqB40QFggcMAA&url=http%3A%2F%2Fbochs.sourceforge.net%2Ftechspec%2Fintel-8259a-pic.pdf.gz&usg=AFQjCNF1NT0OQ6ys1Pn6Iv9sv6cKRzZbGg&sig2=HfBszp9xTVO_fajjPWCsJw">8259</a> + Programmable Interrupt Controller + </td> + <td> + EDK2: PcAtChipsetPkg/8259InterruptControllerDxe/<a target="_blank" href="https://github.com/tianocore/edk2/blob/master/PcAtChipsetPkg/8259InterruptControllerDxe/8259.c">8259.c</a> + </td> + <td> + Master interrupts: 0, 2 - 7<br> + Slave interrupts: 8 - 15<br> + Interrupt vector 1 is never generated, the cascaded input generates interrupts 8 - 15 + </td> + <td> + Master: 0x340, 0x350 - 0x378<br> + Slave: 0x380 - 0x3b8<br> + Interrupt descriptors are 8 bytes each + </td> + <td> </td> + </tr> +</table> + <hr> <p>Modified: 28 February 2016</p> </body> |