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author | Aseda Aboagye <aaboagye@google.com> | 2022-01-10 17:26:56 -0600 |
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committer | Aseda Aboagye <aaboagye@google.com> | 2022-01-10 17:26:56 -0600 |
commit | dc11829e169a9c425860ec5cca949ef80df9e0b7 (patch) | |
tree | 0517b0831c6e52b347926a1b727741df380e908c /zephyr/projects/skyrim/power_signals.c | |
parent | c5bd23a4b204565dab616f7fa4ee8a0b7b433d4c (diff) | |
parent | b44d10f8f79cadb259cc7ab79714a0919fc0c4c8 (diff) | |
download | chrome-ec-dc11829e169a9c425860ec5cca949ef80df9e0b7.tar.gz |
Merge remote-tracking branch cros/main into firmware-keeby-14119.B-mainfirmware-keeby-14119.B-main
Relevant changes:
git log --oneline c5bd23a4b..b44d10f8f -- baseboard/dedede board/cappy2
board/corori board/driblee board/gooey board/haboki board/lalala
board/waddledoo2 common/charge_state_v2.c common/mkbp_* common/ocpc.c
common/usbc/usb_tc_drp_acc_trysrc_sm.c common/usbc/usb_sm.c
common/usbc/*_pd_* common/usbc/dp_alt_mode.c common/usbc/usb_prl_sm.c
common/usbc/usb_pe_drp_sm.c common/usb_charger.c common/usb_common.c
common/usbc_ocp.c driver/charger/sm5803.* driver/charger/isl923x.*
driver/tcpm/raa489000.* driver/tcpm/it83* include/power/icelake.h
include/intel_x86.h power/icelake.c power/intel_x86.c util/getversion.sh
42d03a001 config: change temp_sensor_power from config to gpio
e296efb28 usb_common: Fix CONFIG_USB_PD_DISCHARGE_TCPC typo
c346481f4 atomic: cast to unsigned when shifting
9b972a0f2 driver/tcpm/it83xx, it8xxx2: ITE inactive port return from HOOK
a499d8fd4 driver/tcpm/it83xx, it8xxx2: set sleep mask for mixed TCPC case
ed62e2583 TCPMv2: don't set the sleep mask for TCPC embedded in EC
c962696e8 motion_sensor: Remove |int_signal| field
86b216794 ocpc: modify pre-charge target condition
6f8336eb4 dedede: Set MKBP event wake mask to 0
02d034df0 dedede: add stylus fw_config
4f7cd7509 atomic: use atomic_t where it is possible
e3ffa0519 mkbp: change the type fifo_entries to atomic_t
bb4c47af0 usb: use atomic_t where possible
c6e513ee2 power/icelake: Add SLP_S5 as a watched power signal
d89e49b20 power: Introduce S4 as a real power state
ba8a3c9c0 chgstv2: Use chipset_in_state instead of naming states
23a975d12 i2c: Use declared initializers for i2c_ports: boards a-l
35865dbec TCPMv2: Guard DATA_RESET using CONFIG_USB_PD_DATA_RESET_MSG
d4d8243ed i2c: Use declared initializers for i2c_ports: baseboards
eba8d0305 RAA489000: Fixed RAA489000 max charging current
e78b83e0f TCPMv2: Delay Data Reset until mode entry request
6230e60fc TCPMv2: Support Data Reset as DFP, initiator
412246836 intel_x86: Apply chipset resume init and suspend complete hooks
f2809b72c config: rename CONFIG_HOSTCMD_ESPI to CONFIG_HOST_INTERFACE_ESPI
BRANCH=None
BUG=b:202796060 b:207805856 b:167983049 b:208318528 b:181983966
BUG=b:207328258 b:195416058 b:205285137 b:199919093 b:207055975
BUG=b:129159505 b:204947672 b:141363146 b:207082842 b:205675485
TEST=`make -j buildall`
Signed-off-by: Aseda Aboagye <aaboagye@google.com>
Change-Id: I980351977e11088a130e478df0701be4715f049b
Diffstat (limited to 'zephyr/projects/skyrim/power_signals.c')
-rw-r--r-- | zephyr/projects/skyrim/power_signals.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/zephyr/projects/skyrim/power_signals.c b/zephyr/projects/skyrim/power_signals.c new file mode 100644 index 0000000000..9f39edf505 --- /dev/null +++ b/zephyr/projects/skyrim/power_signals.c @@ -0,0 +1,110 @@ +/* Copyright 2021 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "chipset.h" +#include "config.h" +#include "gpio.h" +#include "hooks.h" +#include "power.h" +#include "timer.h" + +/* Power Signal Input List */ +const struct power_signal_info power_signal_list[] = { + [X86_SLP_S3_N] = { + .gpio = GPIO_PCH_SLP_S3_L, + .flags = POWER_SIGNAL_ACTIVE_HIGH, + .name = "SLP_S3_DEASSERTED", + }, + [X86_SLP_S5_N] = { + .gpio = GPIO_PCH_SLP_S5_L, + .flags = POWER_SIGNAL_ACTIVE_HIGH, + .name = "SLP_S5_DEASSERTED", + }, + [X86_S0_PGOOD] = { + .gpio = GPIO_S0_PGOOD, + .flags = POWER_SIGNAL_ACTIVE_HIGH, + .name = "S0_PGOOD", + }, + [X86_S5_PGOOD] = { + .gpio = GPIO_S5_PGOOD, + .flags = POWER_SIGNAL_ACTIVE_HIGH, + .name = "S5_PGOOD", + }, +}; +BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); + +static void baseboard_interrupt_init(void) +{ + /* Enable Power Group interrupts. */ + gpio_enable_interrupt(GPIO_PG_GROUPC_S0_OD); + gpio_enable_interrupt(GPIO_PG_LPDDR5_S0_OD); + gpio_enable_interrupt(GPIO_PG_LPDDR5_S3_OD); +} +DECLARE_HOOK(HOOK_INIT, baseboard_interrupt_init, HOOK_PRIO_INIT_I2C + 1); + +/** + * b/175324615: On G3->S5, wait for RSMRST_L to be deasserted before asserting + * PCH_PWRBTN_L. + */ +void board_pwrbtn_to_pch(int level) +{ + timestamp_t start; + const uint32_t timeout_rsmrst_rise_us = 30 * MSEC; + + /* Add delay for G3 exit if asserting PWRBTN_L and RSMRST_L is low. */ + if (!level && !gpio_get_level(GPIO_PCH_RSMRST_L)) { + start = get_time(); + do { + usleep(200); + if (gpio_get_level(GPIO_PCH_RSMRST_L)) + break; + } while (time_since32(start) < timeout_rsmrst_rise_us); + + if (!gpio_get_level(GPIO_PCH_RSMRST_L)) + ccprints("Error pwrbtn: RSMRST_L still low"); + + msleep(16); + } + gpio_set_level(GPIO_PCH_PWRBTN_L, level); +} + +/* Note: signal parameter unused */ +void baseboard_set_soc_pwr_pgood(enum gpio_signal unused) +{ + gpio_set_level(GPIO_EC_SOC_PWR_GOOD, + gpio_get_level(GPIO_EN_PWR_PCORE_S0_R) && + gpio_get_level(GPIO_PG_LPDDR5_S0_OD)); +} + +/* Note: signal parameter unused */ +void baseboard_set_en_pwr_pcore(enum gpio_signal unused) +{ + /* + * EC must AND signals PG_LPDDR5_S3_OD, PG_GROUPC_S0_OD, and + * EN_PWR_S0_R + */ + gpio_set_level(GPIO_EN_PWR_PCORE_S0_R, + gpio_get_level(GPIO_PG_LPDDR5_S3_OD) && + gpio_get_level(GPIO_PG_GROUPC_S0_OD) && + gpio_get_level(GPIO_EN_PWR_S0_R)); + + /* Update EC_SOC_PWR_GOOD based on our results */ + baseboard_set_soc_pwr_pgood(unused); +} + +void baseboard_en_pwr_s0(enum gpio_signal signal) +{ + + /* EC must AND signals SLP_S3_L and PG_PWR_S5 */ + gpio_set_level(GPIO_EN_PWR_S0_R, + gpio_get_level(GPIO_PCH_SLP_S3_L) && + gpio_get_level(GPIO_S5_PGOOD)); + + /* Change EN_PWR_PCORE_S0_R if needed*/ + baseboard_set_en_pwr_pcore(signal); + + /* Now chain off to the normal power signal interrupt handler. */ + power_signal_interrupt(signal); +} |