Leroy P Leahy (leroy.p.leahy@intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13442
-gerrit
commit 60dd78e3114d5923e5803293c80cc23b9d31e352 Author: Lee Leahy leroy.p.leahy@intel.com Date: Sat Jan 30 17:19:21 2016 -0800
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 --- Documentation/Intel/SoC/soc.html | 74 ++++++++++++++++++++++++++++++++++++ Documentation/Intel/development.html | 1 + Documentation/Intel/fsp1_1.html | 13 +++++++ 3 files changed, 88 insertions(+)
diff --git a/Documentation/Intel/SoC/soc.html b/Documentation/Intel/SoC/soc.html index 3fb61f6..7a74554 100644 --- a/Documentation/Intel/SoC/soc.html +++ b/Documentation/Intel/SoC/soc.html @@ -18,6 +18,7 @@ <li><a href="#Descriptor">Start Booting</a></li> <li><a href="#EarlyDebug">Early Debug</a></li> <li><a href="#Bootblock">Bootblock</a></li> + <li><a href="#TempRamInit">TempRamInit</a></li> </ol>
@@ -196,6 +197,79 @@ mv build/coreboot.rom.new build/coreboot.rom
<hr> +<<<<<<< HEAD:Documentation/Intel/SoC/soc.html +<p>Modified: 30 January 2016</p> +======= +<h1><a name="TempRamInit">TempRamInit</a></h1> +<p> + Enable the call to TempRamInit using the following steps: +</p> +<ol> + <li>Edit the src/soc/<Vendor>/<Chip Family>/Kconfig file + <ol type="A"> + <li>Add "select USE_GENERIC_FSP_CAR_INC" to enable the use of + <a target="_blank" href="http://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/drivers/intel/fsp1_1/cache_as_ram.inc">src/drivers/intel/fsp1_1/cache_as_ram.inc</a> + </li> + <li>Add "select SOC_INTEL_COMMON" to enable the use of the files from src/soc/intel/common + specifically building + <a target="_blank" href="http://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/soc/intel/common/util.c">util.c</a> + </li> + </ol> + </li> + <li>Debug the result until port 0x80 outputs + <ol type="A"> + <li>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> + - Just before calling + <a target="_blank" href="http://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/drivers/intel/fsp1_1/cache_as_ram.inc;hb=HEAD#l73">TempRamInit</a> + </li> + <li>Alternating 0xba and 0x01 - The FSP image was not found</li> + </ol> + </li> + <li>Add the <a target="_blank" href="../fsp1_1.html#FspBinary">FSP binary file</a> to the flash image</li> + <li>Set the following Kconfig values: + <ul> + <li>CONFIG_FSP_LOC to the FSP base address specified in the previous step</li> + <li>CONFIG_FSP_IMAGE_ID_STRING</li> + </ul> + </li> + <li>Debug the result until port 0x80 outputs + <ol type="A"> + <li>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> + - Just before calling + <a target="_blank" href="http://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/drivers/intel/fsp1_1/cache_as_ram.inc;hb=HEAD#l73">TempRamInit</a> + </li> + <li>Alternating 0xbb and 0x02 - TempRamInit executed, no CPU microcode update found</li> + </ol> + </li> + <li>Add the CPU microcode update file + <ol type="A"> + <li>Add the microcode file with the following command +<pre><code>util/cbfstool/cbfstool build/coreboot.rom add -t microcode -n cpu_microcode_blob.bin -b <base address> -f cpu_microcode_blob.bin</code></pre> + </li> + <li>Set the Kconfig values + <ul> + <li>CONFIG_CPU_MICROCODE_CBFS_LOC set to the value from the previous step</li> + <li>CONFIG_CPU_MICROCODE_CBFS_LEN</li> + </ul> + </li> + </ol> + </li> + <li>Debug the result until port 0x80 outputs + <ol type="A"> + <li>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> + - Just before calling + <a target="_blank" href="http://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/drivers/intel/fsp1_1/cache_as_ram.inc;hb=HEAD#l73">TempRamInit</a> + </li> + <li>0x2A - Just before calling + <a target="_blank" href="http://review.coreboot.org/gitweb?p=coreboot.git;a=blob;f=src/drivers/intel/fsp1_1/cache_as_ram.inc;hb=HEAD#l151">cache_as_ram_main</a> + which is the start of the verstage code which may be part of romstage + </li> + </ol> + </li> +</ol> + + +<hr> <p>Modified: 30 January 2016</p> </body> </html> \ No newline at end of file diff --git a/Documentation/Intel/development.html b/Documentation/Intel/development.html index 7cb9b07..d07bfb6 100644 --- a/Documentation/Intel/development.html +++ b/Documentation/Intel/development.html @@ -61,6 +61,7 @@ <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> <li>Implement and debug the <a target="_blank" href="SoC/soc.html#Bootblock">bootblock</a> code</li> + <li>Implement and debug the call to <a target="_blank" href="SoC/soc.html#TempRamInit">TempRamInit</a></li> </ol>
diff --git a/Documentation/Intel/fsp1_1.html b/Documentation/Intel/fsp1_1.html index 949109f..33385ac 100644 --- a/Documentation/Intel/fsp1_1.html +++ b/Documentation/Intel/fsp1_1.html @@ -14,6 +14,7 @@ </p> <ol> <li><a href="#RequiredFiles">Required Files</a></li> + <li>Add the <a href="#FspBinary">FSP Binary File</a> to the Coreboot File System</li> </ol>
<p> @@ -45,6 +46,18 @@
<hr> +<h1><a name="FspBinary">Add the FSP Binary File to Coreboot File System</a></h1> +<p> + Add the FSP binary to the coreboot flash image using the following command: +</p> +<pre><code>util/cbfstool/cbfstool build/coreboot.rom add -t fsp -n fsp.bin -b <base address> -f fsp.bin</code></pre> +<p> + This command relocates the FSP binary to the 4K byte aligned location in CBFS so that the + FSP code for TempRamInit may be executed in place. +</p> + + +<hr> <p>Modified: 30 January 2016</p> </body> </html> \ No newline at end of file