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authorAseda Aboagye <aaboagye@google.com>2022-01-10 17:26:56 -0600
committerAseda Aboagye <aaboagye@google.com>2022-01-10 17:26:56 -0600
commitdc11829e169a9c425860ec5cca949ef80df9e0b7 (patch)
tree0517b0831c6e52b347926a1b727741df380e908c /zephyr/projects/skyrim/power_signals.c
parentc5bd23a4b204565dab616f7fa4ee8a0b7b433d4c (diff)
parentb44d10f8f79cadb259cc7ab79714a0919fc0c4c8 (diff)
downloadchrome-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.c110
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);
+}