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Documentation: Add x86 documentation for required files Document the required files to perform a minimal coreboot/FSP build for x86. TEST=None Change-Id: I65b2947114634fce982ce82fb7c577fd5f47ed10 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13438 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-01-07 20:24:24 +01:00
<!DOCTYPE html>
<html>
<head>
<title>Development</title>
</head>
<body>
Documentation: Fix links to Intel/documentation.html Fix links to the documenation.html page which was renamed from x86Documenation.html. TEST=Verified documentation links and searched for x86Documenation.html Change-Id: Icee79bab4c05ac9b8010dc7acdde8dd5e2ab2909 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13592 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-02-03 16:28:22 +01:00
<h1>Intel&reg; x86 coreboot/FSP Development Process</h1>
Documentation: Add x86 documentation for required files Document the required files to perform a minimal coreboot/FSP build for x86. TEST=None Change-Id: I65b2947114634fce982ce82fb7c577fd5f47ed10 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13438 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-01-07 20:24:24 +01:00
<p>
The x86 development process for coreboot is broken into the following components:
</p>
<ul>
Documentation: Fix links to Intel/documentation.html Fix links to the documenation.html page which was renamed from x86Documenation.html. TEST=Verified documentation links and searched for x86Documenation.html Change-Id: Icee79bab4c05ac9b8010dc7acdde8dd5e2ab2909 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13592 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-02-03 16:28:22 +01:00
<li>coreboot <a target="_blank" href="SoC/soc.html">SoC</a> development</li>
<li>coreboot <a target="_blank" href="Board/board.html">mainboard</a> development</li>
Documentation: Add x86 documentation for required files Document the required files to perform a minimal coreboot/FSP build for x86. TEST=None Change-Id: I65b2947114634fce982ce82fb7c577fd5f47ed10 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13438 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-01-07 20:24:24 +01:00
<li><a target="_blank" href="fsp1_1.html">FSP 1.1</a> integration</li>
</ul>
<p>
The development process has two main phases:
</p>
<ol>
<li>Minimal coreboot; This phase is single threaded</li>
<li>Adding coreboot features</li>
</ol>
Documentation: Fix links to Intel/documentation.html Fix links to the documenation.html page which was renamed from x86Documenation.html. TEST=Verified documentation links and searched for x86Documenation.html Change-Id: Icee79bab4c05ac9b8010dc7acdde8dd5e2ab2909 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13592 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-02-03 16:28:22 +01:00
<h2>Minimal coreboot</h2>
Documentation: Add x86 documentation for required files Document the required files to perform a minimal coreboot/FSP build for x86. TEST=None Change-Id: I65b2947114634fce982ce82fb7c577fd5f47ed10 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13438 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-01-07 20:24:24 +01:00
<p>
The combined steps below describe how to bring up a minimal coreboot for a
system-on-a-chip (SoC) and a development board:
</p>
<table>
<tr bgcolor="#ffffc0">
<td>The initial coreboot steps are single threaded!
The initial minimal FSP development is also single threaded.
Progress can speed up by adding more developers after the minimal coreboot/FSP
implementation reaches the payload.
</td>
</tr>
</table>
<ol>
<li>Get the necessary tools:
<ul>
<li>Linux: Use your package manager to install m4 bison flex and the libcurses development
package.
<ul>
<li>Ubuntu or other Linux distribution that use apt, run:
<pre><code>sudo apt-get install m4 bison flex libncurses5-dev
</code></pre>
</li>
</ul>
</li>
</ul>
</li>
<li>Build the cross tools for i386:
<ul>
<li>Linux:
<pre><code>make crossgcc-i386</code></pre>
To use multiple processors for the toolchain build (which takes a long time), use:
<pre><code>make crossgcc-i386 CPUS=N</code></pre>
where N is the number of cores to use for the build.
</li>
</ul>
</li>
<li>Get something to build:
<ol type="A">
<li><a target="_blank" href="fsp1_1.html#RequiredFiles">FSP 1.1</a> required files</li>
<li><a target="_blank" href="SoC/soc.html#RequiredFiles">SoC</a> required files</li>
<li><a target="_blank" href="Board/board.html#RequiredFiles">Board</a> required files</li>
</ol>
</li>
<li>Get result to start <a target="_blank" href="SoC/soc.html#Descriptor">booting</a></li>
<li><a target="_blank" href="SoC/soc.html#EarlyDebug">Early Debug</a></li>
Documentation: Add x86 bootblock support Document what is involved with adding the bootblock support. TEST=None Change-Id: I6c8cc38e1b9346b4962588b33ca5e4ab8eac24c3 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13441 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-01-31 19:49:35 +01:00
<li>Implement and debug the <a target="_blank" href="SoC/soc.html#Bootblock">bootblock</a> code</li>
Documentation: Add the x86 FSP Binary Document how to add the FSP binary to the SPI flash image. TEST=None Change-Id: I51b16600ea69853240282ac2eb0d84935b8e2a71 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13442 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-01-31 20:48:15 +01:00
<li>Implement and debug the call to <a target="_blank" href="SoC/soc.html#TempRamInit">TempRamInit</a></li>
Documentation: x86 Enable Serial Output Document the steps necessary to enable serial output TEST=None Change-Id: Ifc0e700d7ef54fb1e28ca9bca34b94cccd3633ac Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13444 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-02-04 20:21:33 +01:00
<li>Enable the serial port
<ol type="A">
<li>Power on, enable and configure GPIOs for the
<a target="_blank" href="Board/board.html#SerialOutput">debug serial UART</a>
</li>
<li>Add the <a target="_blank" href="SoC/soc.html#SerialOutput">serial outupt</a>
support to romstage
</li>
</ol>
</li>
<li>Enable <a target="_blank" href="fsp1_1.html#corebootFspDebugging">coreboot/FSP</a> debugging</li>
Documentation: x86 add sleep state and minimal memory setup Document how to add the sleep state and minimal memory setup. TEST=None Change-Id: Ibebeef34269dbf2366f1bea6d734f6bade4e4028 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13446 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-02-04 20:23:36 +01:00
<li>Determine the <a target="_blank" href="SoC/soc.html#PreviousSleepState">Previous Sleep State</a></li>
<li>Enable DRAM:
<ol type="A">
<li>Implement the SoC
<a target="_blank" href="SoC/soc.html#MemoryInit">MemoryInit</a>
Support
</li>
<li>Implement the board support to read the
<a target="_blank" href="Board/board.html#SpdData">Memory Timing Data</a>
</li>
</ol>
</li>
Documentation: x86 device tree processing and memory map Add documentation on: * FSP Silicon Init * How to start the x86 device tree processing for ramstage * Disabling the PCI devices * Generic PCI device drivers * Memory map support TEST=None Change-Id: If8f729a0ea1d48db4d5ec1d4ae3ad693e9fe44f0 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13718 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-02-14 23:55:29 +01:00
<li>
Implement the .init routine for the
<a target="_blank" href="SoC/soc.html#ChipOperations">chip operations</a>
structure which calls FSP SiliconInit
</li>
<li>
Start ramstage's
<a target="_blank" href="SoC/soc.html#DeviceTree">device tree processing</a>
to display the PCI vendor and device IDs
</li>
<li>
Disable the
<a target="_blank" href="Board/board.html#DisablePciDevices">PCI devices</a>
</li>
<li>
Implement the
<a target="_blank" href="SoC/soc.html#MemoryMap">memory map</a>
</li>
Documentation: Add x86 documentation for required files Document the required files to perform a minimal coreboot/FSP build for x86. TEST=None Change-Id: I65b2947114634fce982ce82fb7c577fd5f47ed10 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13438 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-01-07 20:24:24 +01:00
</ol>
Documentation: Add the x86 FSP Binary Document how to add the FSP binary to the SPI flash image. TEST=None Change-Id: I51b16600ea69853240282ac2eb0d84935b8e2a71 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13442 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-01-31 20:48:15 +01:00
<hr>
<table border="1">
<tr bgcolor="#c0ffc0">
<th colspan=3><h1>Features</h1></th>
</tr>
<tr bgcolor="#c0ffc0">
<th>SoC</th>
<th>Where</th>
<th>Testing</th>
</tr>
<tr>
<td>Cache-as-RAM</td>
<td>
<a target="_blank" href="SoC/soc.html#TempRamInit">Find</a>
FSP binary:
<a target="_blank" href="https://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/drivers/intel/fsp1_1/cache_as_ram.inc;hb=HEAD#l38">cache_as_ram.inc</a><br>
Enable: FSP 1.1 <a target="_blank" href="SoC/soc.html#TempRamInit">TempRamInit</a>
called from
<a target="_blank" href="https://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/drivers/intel/fsp1_1/cache_as_ram.inc;hb=HEAD#l73">cache_as_ram.inc</a><br>
Disable: FSP 1.1 TempRamExit called from
<a target="_blank" href="https://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/drivers/intel/fsp1_1/after_raminit.S;hb=HEAD#l41">after_raminit.S</a><br>
</td>
<td>FindFSP: POST code 0x90
(<a target="_blank" href="http://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/include/console/post_codes.h;hb=HEAD#l205">POST_FSP_TEMP_RAM_INIT</a>)
is displayed<br>
Enable: POST code
<a target="_blank" href="https://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/drivers/intel/fsp1_1/cache_as_ram.inc;hb=HEAD#l151">0x2A</a>
is displayed<br>
Disable: CONFIG_DISPLAY_MTRRS=y, MTRRs displayed after call to TempRamExit
</td>
</tr>
Documentation: x86 device tree processing and memory map Add documentation on: * FSP Silicon Init * How to start the x86 device tree processing for ramstage * Disabling the PCI devices * Generic PCI device drivers * Memory map support TEST=None Change-Id: If8f729a0ea1d48db4d5ec1d4ae3ad693e9fe44f0 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13718 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-02-14 23:55:29 +01:00
<tr>
<td>Memory Map</td>
<td>
Implement a device driver for the
<a target="_blank" href="SoC/soc.html#MemoryMap">north cluster</a>
</td>
<td>coreboot displays the memory map correctly during the BS_WRITE_TABLES state</td>
</tr>
<tr>
<td>PCI Device Support</td>
<td>Implement a PCI <a target="_blank" href="SoC/soc.html#DeviceDrivers">device driver</a></td>
<td>The device is detected by coreboot and usable by the payload</td>
</tr>
<tr>
<td>Ramstage state machine</td>
<td>
Implement the chip and domain operations to start the
<a target="_blank" href="SoC/soc.html#DeviceTree">device tree</a>
processing
</td>
<td>
During the BS_DEV_ENUMERATE state, ramstage now display the device IDs
for the PCI devices on the bus.
</td>
</tr>
Documentation: x86 Enable Serial Output Document the steps necessary to enable serial output TEST=None Change-Id: Ifc0e700d7ef54fb1e28ca9bca34b94cccd3633ac Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13444 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-02-04 20:21:33 +01:00
<tr bgcolor="#c0ffc0">
<th>Board</th>
<th>Where</th>
<th>Testing</th>
</tr>
Documentation: x86 device tree processing and memory map Add documentation on: * FSP Silicon Init * How to start the x86 device tree processing for ramstage * Disabling the PCI devices * Generic PCI device drivers * Memory map support TEST=None Change-Id: If8f729a0ea1d48db4d5ec1d4ae3ad693e9fe44f0 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13718 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-02-14 23:55:29 +01:00
<tr>
<td>Device Tree</td>
<td>
<a target="_blank" href="SoC/soc.html#DeviceTree">List</a> PCI vendor and device IDs by starting
the device tree processing<br>
<a target="_blank" href="Board/board.html#DisablePciDevices">Disable</a> PCI devices<br>
Enable: Implement a PCI <a target="_blank" href="SoC/soc.html#DeviceDrivers">device driver</a>
<td>
List: BS_DEV_ENUMERATE state displays PCI vendor and device IDs<br>
Disable: BS_DEV_ENUMERATE state shows the devices as disabled<br>
Enable: BS_DEV_ENUMERATE state shows the device as on and the device works for the payload
</td>
</tr>
Documentation: x86 add sleep state and minimal memory setup Document how to add the sleep state and minimal memory setup. TEST=None Change-Id: Ibebeef34269dbf2366f1bea6d734f6bade4e4028 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13446 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-02-04 20:23:36 +01:00
<tr>
<td>DRAM</td>
<td>
Load SPD data: src/soc/mainboard/&lt;Vendor&gt;/&lt;Board&gt;/spd/<a target="_blank" href="Board/board.html#SpdData">spd.c</a><br>
UPD Setup:
<ul>
<li>src/soc&lt;Vendor&gt;//&lt;Chip Family&gt;/romstage/<a target="_blank" href="SoC/soc.html#MemoryInit">romstage.c</a></li>
<li>src/mainboard/&lt;Vendor&gt;/&lt;Board&gt;/<a target="_blank" href="Board/board.html#SpdData">romstage.c</a></li>
</ul>
FSP 1.1 MemoryInit called from src/drivers/intel/fsp1_1/<a target="_blank" href="https://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/drivers/intel/fsp1_1/raminit.c;hb=HEAD#l126">raminit.c</a>
</td>
<td>Select the following Kconfig values
<ul>
<li>DISPLAY_HOBS</li>
<li>DISPLAY_UPD_DATA</li>
</ul>
Testing successful if:
<ul>
<li>MemoryInit UPD values are correct</li>
<li>MemoryInit returns 0 (success) and</li>
<li>The the message "ERROR - coreboot's requirements not met by FSP binary!"
is not displayed
</li>
</ul>
</td>
</tr>
Documentation: x86 Enable Serial Output Document the steps necessary to enable serial output TEST=None Change-Id: Ifc0e700d7ef54fb1e28ca9bca34b94cccd3633ac Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13444 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-02-04 20:21:33 +01:00
<tr>
<td>Serial Port</td>
<td>
SoC <a target="_blank" href="SoC/soc.html#SerialOutput">Support</a><br>
Enable: src/soc/mainboard/&lt;Board&gt;/com_init.c/<a target="_blank" href="Board/board.html#SerialOutput">car_mainboard_pre_console_init</a>
</td>
<td>Debug serial output works</td>
</tr>
Documentation: Add the x86 FSP Binary Document how to add the FSP binary to the SPI flash image. TEST=None Change-Id: I51b16600ea69853240282ac2eb0d84935b8e2a71 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13442 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-01-31 20:48:15 +01:00
<tr bgcolor="#c0ffc0">
<th>FSP</th>
<th>Where</th>
<th>Testing</th>
</tr>
<tr>
<td>TempRamInit</td>
<td>FSP <a target="_blank" href="SoC/soc.html#TempRamInit">TempRamInit</a></td>
<td>FSP binary found: POST code 0x90
(<a target="_blank" href="http://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/include/console/post_codes.h;hb=HEAD#l205">POST_FSP_TEMP_RAM_INIT</a>)
is displayed<br>
TempRamInit successful: POST code
<a target="_blank" href="https://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/drivers/intel/fsp1_1/cache_as_ram.inc;hb=HEAD#l151">0x2A</a>
is displayed<br>
</td>
</tr>
Documentation: x86 add sleep state and minimal memory setup Document how to add the sleep state and minimal memory setup. TEST=None Change-Id: Ibebeef34269dbf2366f1bea6d734f6bade4e4028 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13446 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-02-04 20:23:36 +01:00
<tr>
<td>MemoryInit</td>
<td><a target="_blank" href="SoC/soc.html#MemoryInit">SoC</a> support<br>
<a target="_blank" href="Board/board.html#SpdData">Board</a> support<br>
</td>
<td>Select the following Kconfig values
<ul>
<li>DISPLAY_HOBS</li>
<li>DISPLAY_UPD_DATA</li>
</ul>
Testing successful if:
<ul>
<li>MemoryInit UPD values are correct</li>
<li>MemoryInit returns 0 (success) and</li>
<li>The the message "ERROR - coreboot's requirements not met by FSP binary!"
is not displayed
</li>
</ul>
</td>
</tr>
Documentation: x86 device tree processing and memory map Add documentation on: * FSP Silicon Init * How to start the x86 device tree processing for ramstage * Disabling the PCI devices * Generic PCI device drivers * Memory map support TEST=None Change-Id: If8f729a0ea1d48db4d5ec1d4ae3ad693e9fe44f0 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13718 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-02-14 23:55:29 +01:00
<tr>
<td>SiliconInit</td>
<td>
Implement the .init routine for the
<a target="_blank" href="SoC/soc.html#ChipOperations">chip operations</a> structure
</td>
<td>During BS_DEV_INIT_CHIPS state, SiliconInit gets called and returns 0x00000000</td>
</tr>
<tr>
<td>FspNotify</td>
<td>
The code which calls FspNotify is located in
src/drivers/intel/fsp1_1/<a target="_blank" href="http://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/drivers/intel/fsp1_1/fsp_util.c;hb=HEAD#l182">fsp_util.c</a>.
The fsp_notify_boot_state_callback routine is called three times as specified
by the BOOT_STATE_INIT_ENTRY macros below the routine.
</td>
<td>
The FspNotify routines are called during:
<ul>
<li>BS_DEV_RESOURCES - on exit</li>
<li>BS_PAYLOAD_LOAD - on exit</li>
<li>BS_OS_RESUME - on entry (S3 resume)</li>
</ul>
</td>
</tr>
Documentation: Add the x86 FSP Binary Document how to add the FSP binary to the SPI flash image. TEST=None Change-Id: I51b16600ea69853240282ac2eb0d84935b8e2a71 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13442 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-01-31 20:48:15 +01:00
</table>
Documentation: Add x86 documentation for required files Document the required files to perform a minimal coreboot/FSP build for x86. TEST=None Change-Id: I65b2947114634fce982ce82fb7c577fd5f47ed10 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13438 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-01-07 20:24:24 +01:00
<hr>
Documentation: x86 device tree processing and memory map Add documentation on: * FSP Silicon Init * How to start the x86 device tree processing for ramstage * Disabling the PCI devices * Generic PCI device drivers * Memory map support TEST=None Change-Id: If8f729a0ea1d48db4d5ec1d4ae3ad693e9fe44f0 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13718 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-02-14 23:55:29 +01:00
<p>Modified: 15 February 2016</p>
Documentation: Add x86 documentation for required files Document the required files to perform a minimal coreboot/FSP build for x86. TEST=None Change-Id: I65b2947114634fce982ce82fb7c577fd5f47ed10 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: https://review.coreboot.org/13438 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
2016-01-07 20:24:24 +01:00
</body>
</html>