summaryrefslogtreecommitdiff
path: root/src/soc/intel/skylake/pmutil.c
AgeCommit message (Collapse)Author
2016-11-07soc/intel/{sky,apollo}lake: Wait until GPE is clear when readingDuncan Laurie
When reading+clearing a GPE for use as an interrupt we need to re-read the status register and keep setting the clear bit until it actually reads back clear. Also add a 1ms timeout in case the status never clears. This is needed if a device sends a longer interrupt pulse and it is still asserted when the "ISR" goes to clear the status. BUG=chrome-os-partner:59299 TEST=test cr50 TPM with 20us pulse to ensure it can successfully communicate with the TPM and does not get confused due to seeing interrupts that it should not. Change-Id: I384f484a1728038d3a355586146deee089b22dd9 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/17212 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2016-10-27skylake: Add support for eSPI SMI eventsDuncan Laurie
Add the necessary infrastructure to support eSPI SMI events, and a mainboard handler to pass control to the EC. BUG=chrome-os-partner:58666 TEST=tested on eve board with eSPI enabled, verified that lid close event from the EC during firmware will result in an SMI and shut down the system. Change-Id: I6367e233e070a8fca053a7bdd2534c0578d15d12 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/17134 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com>
2016-10-27skylake: Prepare GPE for use in bootblockDuncan Laurie
Export the pmc_gpe_init() function from pmc.c to pmutil.c so it can be used in bootblock, and then call it from there to initialize any GPEs for use in firmware. BUG=chrome-os-partner:58666 TEST=test working GPE as TPM interrupt on skylake board Change-Id: I6b4f7d0aa689db42dc455075f84ab5694e8c9661 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/17135 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2016-10-27skylake: Support for early I2C TPM driverDuncan Laurie
Add the SOC definition for acpi_get_gpe() so it can be used by the I2C TPM driver. Also add the I2C support code to verstage so it can get used by vboot. BUG=chrome-os-partner:58666 TEST=boot with I2C TPM on skylake board Change-Id: I553f00a6ec25955ecc18a7616d9c3e1e7cbbb8ca Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/17136 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com>
2016-08-20intel/skylake: Do not halt in poweroff if in SMMFurquan Shaikh
Calling halt in poweroff when in SMM prevents SLP_SMI to be triggered preventing the system from entering sleep state. Fix this by calling halt only if ENV_SMM is not true. BUG=chrome-os-partner:56395 Change-Id: I3addc1ea065346fbc5dbec9d1ad49bbd0ae05696 Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/16259 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-08-14soc/intel/skylake: Change name pmc_tco_regs to smbus_tco_regsBarnali Sarkar
The function name "pmc_tco_regs" is changed to "smbus_tco_regs" since TCO offsets belongs to SMBUS PCI device. BUG=none BRANCH=none TEST=Built and booted kunimitsu Change-Id: I4ac26df81a8221329f2b45053dd5243cd02f8ad7 Signed-off-by: Barnali Sarkar <barnali.sarkar@intel.com> Reviewed-on: https://review.coreboot.org/16155 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
2016-07-15soc/intel/skylake: provide poweroff() implementationAaron Durbin
Implement poweroff() by putting the chipset into ACPI S5 state. BUG=chrome-os-partner:54977 Change-Id: I9288dcee13347a8aa3f822ca3d75148ba2792859 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/15688 Reviewed-by: Furquan Shaikh <furquan@google.com> Tested-by: build bot (Jenkins)
2015-10-31tree: drop last paragraph of GPL copyright headerPatrick Georgi
It encourages users from writing to the FSF without giving an address. Linux also prefers to drop that and their checkpatch.pl (that we imported) looks out for that. This is the result of util/scripts/no-fsf-addresses.sh with no further editing. Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/11888 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2015-08-14skylake: fix SMI GPI status handlingAaron Durbin
The current construction for processing SMI GPI events didn't allow for the mainboard to query the state of a particular GPI for the snapshotted SMI event. The skylake part can route GPIs from any (there are design limitations) GPIO group. Those status and enable registers are within the GPIO community so one needs to gather all the possibilities in order to query the state. The call chain did this: southbridge_smi_gpi( clear_alt_smi_status() -> reset_alt_smi_status() -> print_all_smi_status() -> return 0) As a replacement the following functions and types are introduced: struct gpi_status - represent gpi status. gpi_status_get() - per gpi query on struct gpi_status gpi_clear_get_smi_status() - clear and retrieve SMI GPI status mainboard_smi_gpi_handler() - mainboard handler using gpi_status Also remove gpio_enable_all_smi() as that construct was never used, but it also is quite heavy handed in that it would enable SMI generation for all GPIs. BUG=chrome-os-partner:43778 BRANCH=None TEST=Built. Original-Change-Id: Ief977e60de65d9964b8ee58f2433cae5c93872ca Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/291933 Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Change-Id: Ida009393c6af88ffe910195dc79a4c0d2a4c029e Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/11208 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-08-14skylake: remove ec_smi_gpio and alt_gp_smi_enAaron Durbin
The ec_smi_gpio and alt_gp_smi_en devicetree options are goign to be removed. The plan for skylake is to set the settings by the mainboard through either gpio pad configuration or through helper functions. Moreover, these values only allow *1* SMI GPIO configuration in that the following has to be true: alt_gp_smi_en = 1 << (ec_smi_gpio % 24) If not, then another gpio(s) from the same group has the SMI_EN bit set for it. Lastly, remove all the subsequent dependencies as they are no longer used: enable_alt_smi() and gpio_enable_group(). BUG=chrome-os-partner:43778 BRANCH=None TEST=None Original-Change-Id: I749a499c810d83de522a2ccce1dd9efb0ad2e20a Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/291931 Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Change-Id: I2e1cd6879b76923157268a1449c617ef2aada9c4 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/11204 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-07-29skylake: align power management names with hardwareAaron Durbin
Some of the field and register names in the power management code were not reflecting current chipset documentation. While in there fix 0-sized array in the power_state structure. Lastly, log the entire STD GPE register for visibility in elog. It reports as an extension of other GPIO wake events. BUG=None BRANCH=None TEST=Built and booted. Change-Id: I57a621a418f90103ff92ddbf747e71a11d517c9a Signed-off-by: Patrick Georgi <pgeorgi@google.com> Original-Commit-Id: ed15cc7d0aeee8070e134ed03e28fced9361c00e Original-Change-Id: I19f9463c87e9472608e69d143932e66ea2b3c3e1 Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/288296 Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/11070 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-07-29skylake: prefix the gpio functions with 'gpio_'Aaron Durbin
In order to provide more clarity on what some of the gpio functions are doing add a 'gpio_' prefix to the globally visible functions. BUG=chrome-os-partner:42982 BRANCH=None TEST=Built glados. Change-Id: I4cf48558c1eb9986ed52b160b6564ceaa3cb94b4 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Original-Commit-Id: f79ef113797884063621fe6cd5cc374c53390ebd Original-Change-Id: I0d8003efff77b92802e0caf8125046203f315ae4 Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/288192 Original-Reviewed-by: Robbie Zhang <robbie.zhang@intel.com> Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/11067 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-07-16soc/intel: Add Skylake SOC supportLee Leahy
Add the files to support the Skylake SOC. Matches chromium tree at 927026db BRANCH=none BUG=None TEST=Build and run on a Skylake platform Change-Id: I80248f7e47eaf13b52e3c7ff951eb1976edbaa15 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: http://review.coreboot.org/10341 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2015-07-16soc/intel/skylake: Use Broadwell as comparision base for Skylake SOCLee Leahy
Use the Broadwell implementation as the comparison base for Skylake. BRANCH=none BUG=None TEST=None Change-Id: I22eb55ea89eb0d6883f98e4c72a6d243e819e6d8 Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com> Reviewed-on: http://review.coreboot.org/10340 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>