Attention is currently required from: Arthur Heymans, Maulik V Vaghela, Mario Scheithauer, Subrata Banik, Michael Niewöhner, Werner Zeh, Patrick Rudolph, Felix Held.
Mario Scheithauer has uploaded a new patch set (#45) to the change originally created by Lean Sheng Tan. ( https://review.coreboot.org/c/coreboot/+/55367 )
Change subject: soc/intel/elkhartlake: Introduce Intel PSE
......................................................................
soc/intel/elkhartlake: Introduce Intel PSE
The Intel® Programmable Services Engine (Intel® PSE) is a
dedicated offload engine for IoT functions powered by an ARM
Cortex-M7 microcontroller. It provides independent, low-DMIPS
computing and low-speed I/Os for IoT applications, plus
dedicated services for real-time computing and time-sensitive
synchronization.
The PSE hosts new functions, including remote out-of-band
device management, network proxy, embedded controller lite
and sensor hub.
This CL enables the user to provide the base address of the
PSE FW blob which will then be loaded by the FSP-S onto the
ARM controller. PSE FW will do the initialization work of
PSE controller and it's peripherals. The loading of PSE FW
should have negligible impact on boot time unless PSE
controller could not locate PSE FW and FSP will attempt to
redo PSE FW loading and wait for PSE handshake until it times
out. Once PSE controller locate PSE FW, it will do initialization
concurrently by itself with coreboot booting.
It also adds PSE related FSP-S UPD settings which enables the
setup of peripheral ownership (assigned to the PSE or x86
subsystem) and interrupts. These assignments need to take
place at a given point in the boot process and cannot be
changed later.
To verify if PSE FW is loaded properly, the user could enable
PchPseShellEnabled flag and the log will be printed at PSE UART 2.
For further info please refer to doc #611825 (for HW overview)
and #614110 (for PSE EDS).
Signed-off-by: Lean Sheng Tan <lean.sheng.tan(a)intel.com>
Change-Id: Ifea08fb82fea18ef66bab04b3ce378e79a0afbf7
---
M src/soc/intel/elkhartlake/Kconfig
M src/soc/intel/elkhartlake/Makefile.inc
M src/soc/intel/elkhartlake/chip.h
M src/soc/intel/elkhartlake/fsp_params.c
4 files changed, 156 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/67/55367/45
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Mario Scheithauer has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/58848 )
Change subject: mb/siemens/mc_ehl2: Adjust PCIe clock settings in devicetree
......................................................................
mb/siemens/mc_ehl2: Adjust PCIe clock settings in devicetree
On mc_ehl2 there are currently four of the six PCIe clocks used to drive
PCIe devices. None of the used clock output is dedicated to a special
device. Therefore do not use a port mapping of the clocks to avoid a
stopping clock once a device is missing and the matching root port is
disabled. Instead set the mapping to 'PCIE_CLK_FREE' to have a free
running clock.
In addition, use the defined constant 'PCIE_CLK_NOTUSED' instead of the
value 0xFF to disable the CLKREQ-feature and unused clocks.
Change-Id: I81419887b7f463a937917b971465245c1cb46b94
Signed-off-by: Mario Scheithauer <mario.scheithauer(a)siemens.com>
---
M src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb
1 file changed, 12 insertions(+), 12 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/48/58848/1
diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb b/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb
index 451c5dd..8b9e9e2 100644
--- a/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb
+++ b/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb
@@ -55,19 +55,19 @@
register "PcieRpEnable[5]" = "1"
register "PcieRpEnable[6]" = "1"
- register "PcieClkSrcUsage[0]" = "0x00"
- register "PcieClkSrcUsage[1]" = "0x01"
- register "PcieClkSrcUsage[2]" = "0x02"
- register "PcieClkSrcUsage[3]" = "0xFF"
- register "PcieClkSrcUsage[4]" = "0xFF"
- register "PcieClkSrcUsage[5]" = "0xFF"
+ register "PcieClkSrcUsage[0]" = "PCIE_CLK_FREE"
+ register "PcieClkSrcUsage[1]" = "PCIE_CLK_FREE"
+ register "PcieClkSrcUsage[2]" = "PCIE_CLK_FREE"
+ register "PcieClkSrcUsage[3]" = "PCIE_CLK_NOTUSED"
+ register "PcieClkSrcUsage[4]" = "PCIE_CLK_FREE"
+ register "PcieClkSrcUsage[5]" = "PCIE_CLK_NOTUSED"
- register "PcieClkSrcClkReq[0]" = "0xFF"
- register "PcieClkSrcClkReq[1]" = "0xFF"
- register "PcieClkSrcClkReq[2]" = "0xFF"
- register "PcieClkSrcClkReq[3]" = "0xFF"
- register "PcieClkSrcClkReq[4]" = "0xFF"
- register "PcieClkSrcClkReq[5]" = "0xFF"
+ register "PcieClkSrcClkReq[0]" = "PCIE_CLK_NOTUSED"
+ register "PcieClkSrcClkReq[1]" = "PCIE_CLK_NOTUSED"
+ register "PcieClkSrcClkReq[2]" = "PCIE_CLK_NOTUSED"
+ register "PcieClkSrcClkReq[3]" = "PCIE_CLK_NOTUSED"
+ register "PcieClkSrcClkReq[4]" = "PCIE_CLK_NOTUSED"
+ register "PcieClkSrcClkReq[5]" = "PCIE_CLK_NOTUSED"
# Disable all L1 substates for PCIe root ports
register "PcieRpL1Substates[0]" = "L1_SS_DISABLED"
--
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Gerrit-Project: coreboot
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Gerrit-Owner: Mario Scheithauer <mario.scheithauer(a)siemens.com>
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Attention is currently required from: Arthur Heymans, Maulik V Vaghela, Mario Scheithauer, Subrata Banik, Michael Niewöhner, Lean Sheng Tan, Werner Zeh, Patrick Rudolph, Felix Held.
Mario Scheithauer has uploaded a new patch set (#44) to the change originally created by Lean Sheng Tan. ( https://review.coreboot.org/c/coreboot/+/55367 )
Change subject: soc/intel/elkhartlake: Introduce Intel PSE
......................................................................
soc/intel/elkhartlake: Introduce Intel PSE
The Intel® Programmable Services Engine (Intel® PSE) is a
dedicated offload engine for IoT functions powered by an ARM
Cortex-M7 microcontroller. It provides independent, low-DMIPS
computing and low-speed I/Os for IoT applications, plus
dedicated services for real-time computing and time-sensitive
synchronization.
The PSE hosts new functions, including remote out-of-band
device management, network proxy, embedded controller lite,
and sensor hub.
This CL enables the user to provide the base address of the
PSE FW blob which will then be loaded by the FSP-S onto the
ARM controller. PSE FW will do the initialization work of
PSE controller and it's peripherals. The loading of PSE FW
should have negligible impact on boot time unless PSE
controller could not locate PSE FW and FSP will attempt to
redo PSE FW loading and wait for PSE handshake until it times
out. Once PSE controller locate PSE FW, it will do initialization
concurrently by itself with coreboot booting.
It also adds PSE related FSP-S UPD settings, and many of the
integrated peripherals can be assigned either to the PSE or
to the x86 subsystem. These assignments need to take
place at a given point in the boot process and cannot be
changed later.
To verify if PSE FW is loaded properly, the user could enable
PchPseShellEnabled flag and the log will be printed at PSE UART 2.
For further info please refer to doc #611825 (HW overview)
and #614110 (PSE EDS).
Signed-off-by: Lean Sheng Tan <lean.sheng.tan(a)intel.com>
Change-Id: Ifea08fb82fea18ef66bab04b3ce378e79a0afbf7
---
M src/soc/intel/elkhartlake/Kconfig
M src/soc/intel/elkhartlake/Makefile.inc
M src/soc/intel/elkhartlake/chip.h
M src/soc/intel/elkhartlake/fsp_params.c
4 files changed, 156 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/67/55367/44
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Attention is currently required from: Jason Glenesk, Raul Rangel, Marshall Dawson, Zheng Bao, Felix Held.
Hello Jason Glenesk, Raul Rangel, Marshall Dawson, Zheng Bao, Felix Held,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/coreboot/+/58843
to look at the new patch set (#4).
Change subject: amd/lpc: Remove weak function
......................................................................
amd/lpc: Remove weak function
Change-Id: I39ae6405589d645eaa3e05759b1ffbd36e688d8f
Signed-off-by: Zheng Bao <fishbaozi(a)gmail.com>
---
M src/soc/amd/common/block/lpc/espi_util.c
1 file changed, 0 insertions(+), 4 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/43/58843/4
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